WO2020252781A1 - Support d'informations, module de transmission d'images, véhicule aérien sans pilote, terminal de régulation et kit associé - Google Patents

Support d'informations, module de transmission d'images, véhicule aérien sans pilote, terminal de régulation et kit associé Download PDF

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Publication number
WO2020252781A1
WO2020252781A1 PCT/CN2019/092358 CN2019092358W WO2020252781A1 WO 2020252781 A1 WO2020252781 A1 WO 2020252781A1 CN 2019092358 W CN2019092358 W CN 2019092358W WO 2020252781 A1 WO2020252781 A1 WO 2020252781A1
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WIPO (PCT)
Prior art keywords
image transmission
transmission module
power consumption
reference temperature
temperature
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PCT/CN2019/092358
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English (en)
Chinese (zh)
Inventor
徐宗财
熊春晓
徐荣宁
Original Assignee
深圳市大疆创新科技有限公司
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Application filed by 深圳市大疆创新科技有限公司 filed Critical 深圳市大疆创新科技有限公司
Priority to PCT/CN2019/092358 priority Critical patent/WO2020252781A1/fr
Priority to CN201980007831.2A priority patent/CN111566586A/zh
Publication of WO2020252781A1 publication Critical patent/WO2020252781A1/fr

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    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast

Definitions

  • This application relates to unmanned remote control equipment, in particular, to an image transmission module, a flight control board, an unmanned aerial vehicle, an unmanned aerial vehicle control terminal, two unmanned aerial vehicle kits, and a A control method of a video transmission module, a control method of a flight control board, a control method of a control terminal of an unmanned aerial vehicle, a control method of a kit of an unmanned aerial vehicle, and a computer-readable storage medium.
  • the image transmission module of the traversing machine is installed on the traversing machine, which can shoot and return high-frame-rate remote HD images in real time during the flight of the traversing machine.
  • the high frame rate, high definition, and long-distance data collection and return of the image transmission module will greatly increase the internal chip temperature of the image transmission module, which will cause the chip to overheat.
  • the heat dissipation problem of the image transmission module cannot be solved by increasing the size.
  • the traditional heat dissipation solution adopted by the image transmission module is passive and natural heat dissipation without strategy, which leads to the image transmission module still working at full capacity in some scenarios with poor heat dissipation, such as when the equipment is debugged on the ground. Both the module and the traversing machine are in a static state.
  • the heat dissipation of the image transmission module deteriorates sharply, and the internal chip will exceed the protection temperature limit of the chip in a short time, causing the chip to shut down over temperature, and then the entire image transmission module is down. Therefore, the traditional heat dissipation solutions cannot meet the heat dissipation requirements of the ride-through machine during ground debugging.
  • This application aims to solve at least one of the technical problems existing in the prior art or related technologies.
  • the first aspect of this application proposes an image transmission module.
  • the second aspect of this application proposes a flight control board.
  • the third aspect of this application proposes an unmanned aerial vehicle.
  • the fourth aspect of the application proposes an unmanned aerial vehicle kit.
  • the fifth aspect of the present application proposes a control terminal for an unmanned aerial vehicle.
  • the sixth aspect of the application proposes an unmanned aerial vehicle kit.
  • the seventh aspect of the present application proposes a method for controlling the image transmission module.
  • the eighth aspect of the present application proposes a control method of a flight control board.
  • the ninth aspect of this application proposes a control method for a control terminal of an unmanned aerial vehicle.
  • the tenth aspect of the present application proposes a method for controlling an unmanned aerial vehicle kit.
  • the eleventh aspect of the present application proposes a computer-readable storage medium.
  • an image transmission module for use in an unmanned aerial vehicle.
  • the image transmission module includes a temperature sensor, a memory, and a processor.
  • the temperature sensor is used to detect the operating reference temperature; the memory; It is configured to store computer instructions; the processor is configured to execute computer instructions to achieve: receive and update the operating reference temperature according to a preset frequency; adjust the power consumption mode of the image transmission module according to the operating reference temperature.
  • the image transmission module provided by the embodiment of the application can realize the temperature monitoring of the image transmission module by allowing the processor to receive and update the operating reference temperature detected by the temperature sensor according to a preset frequency, so as to detect abnormal heat dissipation of the image transmission module in time .
  • the description method of receiving the operating reference temperature according to the preset frequency is adopted, and it is not limited to receive the data according to a fixed frequency.
  • the preset frequency may be a fixed value or a variable value. For a certain image transmission module, a fixed value is preferred to ensure the stability of data transmission.
  • the preset frequency can be increased as much as possible when the data transmission performance of the temperature sensor can be satisfied to achieve close monitoring, and a reasonable preset frequency can also be set when editing computer instructions to balance the monitoring requirements and data transmission pressure.
  • the processor is made to adjust the power consumption mode of the image transmission module according to the updated operating reference temperature each time, that is, the current heat dissipation of the image transmission module.
  • adjusting the power consumption mode is a strategic protection, and it can actively reduce the heat dissipation load from the perspective of controlling heat generation. When the heat dissipation requirement is met, it is not necessary to add an additional heat dissipation device for the image transmission module, and does not involve changes in the mechanical structure.
  • a temperature control strategy for the image transmission module can be proposed to flexibly adjust the power consumption mode according to the actual heat dissipation situation, which improves the flexibility of protection.
  • a flight control board for an unmanned aerial vehicle.
  • the flight control board includes a communication module, a memory, and a processor.
  • the communication module is used to receive the operation of the image transmission module of the unmanned aerial vehicle. Reference temperature; the memory is configured to store computer instructions; the processor is configured to execute computer instructions to achieve: receive and update the operating reference temperature according to a preset frequency; generate power consumption adjustment instructions according to the operating reference temperature; send power consumption adjustment instructions To the image transmission module to adjust the power consumption mode of the image transmission module.
  • the flight control board provided by the embodiments of the present application allows the processor to receive and update the operating reference temperature of the UAV's image transmission module received by the communication module according to a preset frequency, thereby realizing temperature monitoring of the image transmission module for timely It is found that the heat dissipation of the image transmission module is abnormal.
  • the description method of receiving the operating reference temperature according to the preset frequency is adopted, and it is not limited to receive the data according to a fixed frequency.
  • the preset frequency may be a fixed value or a variable value. For a certain flight control board, a fixed value is preferred to ensure the stability of data transmission.
  • the preset frequency can be increased as much as possible to achieve close monitoring, and a reasonable preset frequency can also be set when editing computer instructions to balance the monitoring requirements and data transmission pressure.
  • the processor is made to generate and send a corresponding power consumption adjustment instruction to the image transmission module according to the updated operating reference temperature each time, that is, the current heat dissipation of the image transmission module, so as to adjust the power consumption mode of the image transmission module.
  • adjusting the power consumption mode is a strategic protection, and it can actively reduce the heat dissipation load from the perspective of controlling heat generation.
  • an unmanned aerial vehicle comprising: the image transmission module according to any one of the technical solutions of the above first aspect; or the flight control board according to any one of the technical solutions of the above second aspect Therefore, it has the beneficial effects of the image transmission module or flight control board, which will not be repeated here.
  • an unmanned aerial vehicle kit including: the unmanned aerial vehicle as described in the technical solution of the third aspect; and the control terminal of the unmanned aerial vehicle, thus having the benefits of the unmanned aerial vehicle The effect will not be repeated here.
  • a control terminal of an unmanned aerial vehicle including a communication module, a memory, and a processor, wherein the communication module is used to receive the operating reference temperature of the image transmission module of the unmanned aerial vehicle; the memory is configured To store computer instructions; the processor is configured to execute computer instructions to achieve: receive and update the operating reference temperature according to a preset frequency; generate power consumption adjustment instructions according to the operating reference temperature; send the power consumption adjustment instructions to the UAV to Adjust the power consumption mode of the image transmission module.
  • the control terminal of the unmanned aerial vehicle provided by the embodiment of the present application will not increase the production cost of new products, and the optimization cost of existing products is low.
  • a temperature control strategy for the image transmission module can be proposed to improve the flexibility of protection.
  • an unmanned aerial vehicle kit including an unmanned aerial vehicle and a control terminal, wherein the unmanned aerial vehicle includes an image transmission module, and the unmanned aerial vehicle sends the operating reference temperature of the image transmission module to the control Terminal:
  • the control terminal receives and updates the operating reference temperature according to the preset frequency, generates a power consumption adjustment instruction according to the operating reference temperature, and sends the power consumption adjustment instruction to the UAV to adjust the power consumption mode of the image transmission module.
  • the unmanned aerial vehicle kit provided by the embodiment of the present application includes an unmanned aerial vehicle and a control terminal. It will not cause the production cost of new products to increase, and the optimization cost of existing products is low.
  • a temperature control strategy for the image transmission module can be proposed to improve the flexibility of protection.
  • a control method of a picture transmission module the picture transmission module is used in an unmanned aerial vehicle, and the control method of the picture transmission module includes: detecting an operating reference temperature; updating the operating reference temperature according to a preset frequency; According to the operating reference temperature, adjust the power consumption mode of the image transmission module.
  • the method for controlling the image transmission module provided by the embodiment of the present application will not increase the production cost of new products, and the optimization cost of existing products is low.
  • a temperature control strategy for the image transmission module can be proposed to improve the flexibility of protection.
  • a control method of a flight control board the flight control board is used for an unmanned aerial vehicle, and the control method of the flight control board includes: receiving and updating the image transmission module of the unmanned aerial vehicle according to a preset frequency According to the operating reference temperature, the power consumption adjustment instruction is generated; the power consumption adjustment instruction is sent to the image transmission module to adjust the power consumption mode of the image transmission module.
  • the control method of the flight control board provided by the embodiment of the present application will not increase the production cost of new products, and the optimization cost of existing products is low.
  • a temperature control strategy for the image transmission module can be proposed to improve the flexibility of protection.
  • a control method of a control terminal of an unmanned aerial vehicle includes: receiving and updating the operation reference of the image transmission module of the unmanned aerial vehicle according to a preset frequency Temperature: Generate power consumption adjustment instructions according to the operating reference temperature; send the power consumption adjustment instructions to the image transmission module to adjust the power consumption mode of the image transmission module.
  • the control method for the control terminal of the unmanned aerial vehicle provided by the embodiment of the present application will not increase the production cost of new products, and the optimization cost of existing products is low.
  • a temperature control strategy for the image transmission module can be proposed to improve the flexibility of protection.
  • the unmanned aerial vehicle kit includes an unmanned aerial vehicle and a control terminal of the unmanned aerial vehicle.
  • the control method of the unmanned aerial vehicle kit includes: The human aircraft sends the operating reference temperature of the image transmission module to the control terminal; the control terminal receives and updates the operating reference temperature according to the preset frequency, generates power consumption adjustment instructions according to the operating reference temperature, and sends the power consumption adjustment instructions to the unmanned aerial vehicle , To adjust the power consumption mode of the image transmission module.
  • the control method of the unmanned aerial vehicle kit provided by the embodiment of the present application will not increase the production cost of new products, and the optimization cost of existing products is low.
  • a temperature control strategy for the image transmission module can be proposed to improve the flexibility of protection.
  • a computer-readable storage medium on which a computer program is stored.
  • the control method of the image transmission module as described in any of the above technical solutions is implemented.
  • Steps, or steps of the control method of the flight control panel described in any of the above technical solutions, or steps of the control method of the control terminal of an unmanned aerial vehicle described in any of the above technical solutions, or any of the above technical solutions are provided with the control method of the image transmission module, the control method of the flight control board, the control method of the control terminal of the unmanned aerial vehicle, or the control method of the kit of the unmanned aerial vehicle.
  • FIG. 1 is a schematic diagram of the structure of an image transmission module according to an embodiment of the present application.
  • Figure 2 is a schematic structural diagram of a flight control board according to an embodiment of the present application.
  • Fig. 3 is a schematic structural diagram of an unmanned aerial vehicle according to an embodiment of the present application.
  • FIG. 4 is a schematic structural diagram of an unmanned aerial vehicle kit according to an embodiment of the present application.
  • Fig. 5 is a schematic structural diagram of a control terminal of an unmanned aerial vehicle according to an embodiment of the present application.
  • FIG. 6 is a schematic structural diagram of an unmanned aerial vehicle kit according to another embodiment of the present application.
  • FIG. 7 is a schematic flowchart of a method for controlling a video transmission module according to an embodiment of the present application.
  • FIG. 8 is a schematic flowchart of a method for controlling a video transmission module according to another embodiment of the present application.
  • FIG. 9 is a schematic flowchart of a method for controlling a video transmission module according to still another embodiment of the present application.
  • FIG. 10 is a schematic flowchart of a method for controlling a video transmission module according to another embodiment of the present application.
  • FIG. 11 is a schematic flowchart of a control method of a flight control board according to an embodiment of the present application.
  • FIG. 12 is a schematic flowchart of a control method of a flight control board according to another embodiment of the present application.
  • FIG. 13 is a schematic flowchart of a control method of a flight control board according to still another embodiment of the present application.
  • FIG. 14 is a schematic flowchart of a control method of a flight control board according to another embodiment of the present application.
  • 15 is a schematic flowchart of a control method of a control terminal of an unmanned aerial vehicle according to an embodiment of the present application
  • Fig. 16 is a schematic flowchart of a method for controlling an unmanned aerial vehicle kit according to an embodiment of the present application.
  • the embodiment of the first aspect of the present application provides an image transmission module for an unmanned aerial vehicle.
  • Fig. 1 shows a schematic structural diagram of an image transmission module of an embodiment of the present application.
  • the image transmission module 100 includes:
  • the temperature sensor 102 is used to detect the operating reference temperature
  • the memory 104 is configured to store computer instructions
  • the processor 106 is configured to execute computer instructions to implement: receiving and updating the operating reference temperature according to a preset frequency; and adjusting the power consumption mode of the image transmission module according to the operating reference temperature.
  • the image transmission module 100 provided by the embodiment of the present application allows the processor 106 to receive and update the operating reference temperature detected by the temperature sensor 102 according to a preset frequency, so that the temperature monitoring of the image transmission module 100 can be realized, so that the image transmission module can be discovered in time 100 abnormal heat dissipation.
  • the description method of receiving the operating reference temperature according to the preset frequency is adopted, and it is not limited to receive the data according to a fixed frequency.
  • the preset frequency may be a fixed value or a variable value. For a certain image transmission module 100, a fixed value is preferable to ensure the stability of data transmission.
  • the preset frequency can be increased as much as possible when the data transmission performance of the temperature sensor 102 can be satisfied to achieve close monitoring, and a reasonable preset frequency can also be set when editing computer instructions to balance monitoring requirements and data transmission pressure.
  • the processor 106 is caused to adjust the power consumption mode of the image transmission module 100 according to the updated operating reference temperature each time, that is, the current heat dissipation condition of the image transmission module 100.
  • adjusting the power consumption mode is a strategic protection, and it can actively reduce the heat dissipation load from the perspective of controlling heat generation. When the heat dissipation requirement is met, there is no need to add additional heat dissipation devices for the image transmission module 100, and it does not involve mechanical structures.
  • the unmanned aerial vehicle in this embodiment may be a traversing machine, and in other embodiments, it may also be a consumer drone for aerial photography, an agricultural plant protection drone, and an industrial application for drones.
  • adjusting the power consumption mode of the image transmission module 100 according to the operating reference temperature includes: transmitting the image based on the current operating reference temperature greater than the first preset temperature. The module 100 switches to or remains in the low power consumption mode.
  • a solution for optimizing heat dissipation when the processor 106 adjusts the power consumption mode of the video transmission module 100 is specifically defined.
  • the temperature will rise directly.
  • the first preset temperature can be used as a sign of poor heat dissipation to realize the Reliable judgment.
  • the first preset temperature is related to the temperature requirements of the image transmission module 100 during normal operation, that is, after the image transmission module 100 is greater than the first preset temperature, the operating performance of the image transmission module 100 begins to decrease, but it is not yet down. , Its specific value can be measured by experiment.
  • the value range of the first preset temperature is 73°C to 77°C, preferably 75°C.
  • the operating reference temperature is higher, that is, greater than the first preset temperature, it is considered that the image transmission module 100 has poor heat dissipation.
  • the heat generation of the image transmission module 100 can be reduced, thereby greatly reducing the heat dissipation load, and meeting the heat dissipation of the image transmission module 100 under specific conditions such as ground debugging and poor heat dissipation conditions. demand.
  • the processor 106 switches to the low power consumption mode; after the video transmission module 100 switches to the low power consumption mode, it continues to receive and run at a preset frequency
  • the reference temperature based on the fact that the current operating reference temperature is still greater than the first preset temperature, it is considered that the heat dissipation situation has not been improved, and the image transmission module 100 continues to remain in the low power consumption mode.
  • the current operating reference temperature is less than or equal to the first preset temperature, the image transmission module 100 can be made to exit the low power consumption mode, and other strategies can also be supplemented and configured.
  • adjusting the power consumption mode of the image transmission module 100 according to the operating reference temperature may further include: based on the image transmission module 100 being in a low power consumption mode and the current operating reference temperature If the temperature is less than the second preset temperature, the image transmission module 100 is switched to the normal operating mode, and the second preset temperature is less than the first preset temperature.
  • the solution for the processor 106 to exit the optimized heat dissipation when adjusting the power consumption mode of the video transmission module 100 is further limited.
  • the image transmission module 100 is already in the low power consumption mode, it continues to monitor its operating reference temperature to understand its heat dissipation. By comparing the current operating reference temperature with the second preset temperature, the second preset temperature can be used as a sign of normal heat dissipation. When the operating reference temperature drops below the second preset temperature, the heat dissipation of the image transmission module 100 is considered It is already normal and no heat dissipation optimization is required.
  • the second preset temperature is related to the temperature when the image transmission module 100 is working normally, that is, after being lower than the first preset temperature, the operating performance of the image transmission module 100 returns to normal, and it is preferably not even if the temperature rises slightly.
  • the temperature that has a significant impact on the operating performance it is possible to avoid the situation that the temperature is too high just after switching back to the normal operating mode, and to improve the stability of the heat dissipation optimization.
  • the specific value can be measured by experiment.
  • the value range of the first preset temperature is 68°C to 72°C, preferably 70°C.
  • the processor 106 may continue to receive the operating reference temperature according to the preset frequency based on the fact that the image transmission module 100 is in the low power consumption mode and the current operating reference temperature is greater than or equal to the second preset temperature, and determine the current operating temperature Whether the reference temperature is less than the second preset temperature to maintain the monitoring of the operating reference temperature in the low power consumption mode, until the operating reference temperature is less than the second preset temperature, the low power consumption mode is exited and switched back to the normal operating mode.
  • adjusting the power consumption mode of the image transmission module 100 according to the operating reference temperature may further include: based on the image transmission module 100 being in a low power consumption mode and the current operating reference temperature If the temperature is greater than or equal to the second preset temperature, it is determined whether the current operating reference temperature is greater than the first preset temperature; based on the situation that the current operating reference temperature is less than or equal to the first preset temperature, the image transmission module 100 is switched to or kept at Normal working mode.
  • another solution for the processor 106 to adjust the power consumption mode of the video transmission module 100 is defined. Since the operating reference temperature is updated according to the preset frequency, after the image transmission module 100 switches to the low power consumption mode, when the heat dissipation is judged according to the updated operating reference temperature, the image transmission module 100 is likely to have significantly cooled down, and As the preset frequency decreases, this possibility increases. Based on this, when the image transmission module 100 is in the low power consumption mode, when the operating reference temperature is updated again, it can be considered that the image transmission module 100 has been running in the low power consumption mode for a period of time, and the heat dissipation situation has improved.
  • the image transmission module 100 can switch back to the normal operating mode. If not, by determining again whether the current operating reference temperature is greater than the first preset temperature, it is clarified that when the operating reference temperature is greater than the first preset temperature, that is, when the image transmission module 100 has a strong heat dissipation optimization requirement, the low power consumption mode is maintained, and when the operating reference temperature is less than or equal to the first preset temperature, the image is considered The image transmission module 100 can still operate in the normal working mode, and accordingly the image transmission module 100 is switched to the normal operation mode to ensure that the image transmission module 100 operates with the designed standard performance, thereby ensuring the efficient transmission of image data.
  • the operating reference temperature is estimated from the first preset temperature through theoretical calculations and/or experiments (or a value slightly higher than the first preset temperature, for example, 1°C higher, to extend
  • the heat dissipation cycle, to ensure sufficient single heat dissipation time, is reduced to the second preset temperature (a value slightly lower than the second preset temperature can also be taken, such as 1°C lower, to appropriately extend the heat dissipation cycle to ensure sufficient single heat dissipation time )
  • the required duration is taken as the heat dissipation period, and the reciprocal of the heat dissipation period is taken as the preset frequency.
  • the current operating reference temperature should have fallen below the second preset temperature, thereby reducing the frequency of receiving the operating reference temperature, reducing data interaction, reducing operating load, and reducing power consumption and heat generation.
  • adjusting the power consumption mode of the image transmission module 100 according to the operating reference temperature may further include: determining that the UAV is in the locked mode, and executing execution based on the current operating reference temperature greater than In the case of the first preset temperature, the step of switching or maintaining the image transmission module 100 in the low power consumption mode. It should be noted that the lock mode and unlock mode mentioned in this embodiment are all for the UAV in the standby state.
  • another solution for the processor 106 to adjust the power consumption mode of the video transmission module 100 is defined.
  • the strategy protection is turned on when the temperature is preset, and the low power consumption mode is run, so that the operating mode of the UAV can be used to choose whether to run the temperature control strategy for the image transmission module 100, which improves the flexibility and avoids the excessively strict protection strategy.
  • the resulting user experience is severely affected, and the business performance of the image transmission module 100 is retained to the greatest extent.
  • adjusting the power consumption mode of the image transmission module 100 according to the operating reference temperature may further include: based on the situation that the current operating reference temperature is less than or equal to the first preset temperature, The image transmission module 100 switches to or remains in the normal operating mode; based on the situation that the image transmission module 100 is in the normal operating mode, or based on the image transmission module 100 being in the low power consumption mode and the current operating reference temperature is greater than or equal to the second preset temperature In case of situation, determine whether the UAV is in locked mode or unlocked mode.
  • the timing for the processor 106 to determine the operating mode of the UAV is specifically limited.
  • the operating reference temperature is less than or equal to the first preset temperature, it can be considered that there is no need to turn on the strategy protection, and the image transmission module 100 can run in the normal working mode, which clarifies the difference between the operating reference temperature and the first preset temperature. Run strategy.
  • the image transmission module 100 is in the low power consumption mode, when the operating reference temperature is lower than the second preset temperature, the image transmission module 100 can switch to the normal operating mode, which is sufficient to ensure its business performance, but when the operating reference temperature is greater than or equal to the first 2. It is not clear whether the low-power mode should be maintained or exited when the temperature is preset.
  • the operating mode of the UAV By determining the operating mode of the UAV, it is possible to confirm whether the temperature control strategy needs to be operated in time, and to re-compare the operating reference temperature with the first preset temperature when the need is confirmed. Specifically, if the operating reference temperature is greater than the first preset temperature If the temperature is set, the image transmission module 100 needs to continue to be maintained in the low power consumption mode. If the operating reference temperature is less than or equal to the first preset temperature, the image transmission module 100 is considered to be able to operate in the normal operating mode, and the image transmission module 100 Switch to the normal working mode to ensure that the image transmission module 100 operates with the designed standard performance, thereby ensuring the efficient transmission of image data. This solution not only makes the control scheme clear, but also ensures the efficient transmission of image data.
  • the operating reference temperature will not be too high, so that the business performance of the image transmission module 100 is retained and the image transmission module is satisfied.
  • a balance between 100's heat dissipation needs. It is understandable that when it is determined that the UAV is in the unlock mode, the image transmission module 100 operates in the normal working mode. Further, whenever the image transmission module 100 is in the normal working mode, it is necessary to determine whether the UAV is in the locked mode or the unlock mode, so as to run the temperature control strategy in time to meet the heat dissipation requirements of the image transmission module 100.
  • the image transmission module 100 further includes an image transmission transmitting antenna (not shown in the figure), which is used to send image data, and the processor 106 realizes the switching or keeping of the image transmission module 100 to or from low when executing computer instructions.
  • the power consumption mode includes: turning off the power amplifier of the image transmission transmitting antenna; and/or converting the image transmission transmitting antenna from the dual antenna transmission mode (2T, where T stands for transmit) to the single antenna transmission mode (1T); and/ Or issue a frame drop request to reduce the frame rate of the image acquisition device of the UAV; and/or reduce the frame rate of the image transmission transmitting antenna.
  • the optional mode for the image transmission module 100 to run in the low power consumption mode is specifically limited.
  • the image transmission module 100 transmits image data through an image transmission transmitting antenna.
  • the image transmission transmitting antenna is a radio frequency antenna, which serves as the radio frequency output terminal of the image transmission module 100.
  • the radio frequency PA Power Amplifier, power amplifier
  • the bypass mode power amplifier bypass mode
  • the image transmission transmitting antenna By changing the image transmission transmitting antenna from the dual antenna transmission mode that can meet the high transmission volume to the single antenna transmission mode with relatively low transmission volume, that is, turning off the power amplifier of one of the antennas, it can reduce the data transmission volume and reduce the data transmission load , Thereby reducing power consumption.
  • the frame rate of the data collected by the traversing machine is generally very high, which causes the image acquisition device (such as the camera module) and the image transmission module 100 to be in a high power consumption scene.
  • the image acquisition device By issuing a frame reduction request, the image acquisition device can be reduced.
  • the frame rate of the image transmission can be reduced, and the amount of image data to be transmitted can be reduced.
  • the transmission frame rate of the image transmission antenna can be reduced from the data source.
  • the transmission frame rate of the image transmission antenna can be directly reduced.
  • the frame rate reduces the data transmission load, thereby reducing the power consumption of the image acquisition device and the image transmission module 100, and alleviates the risk of overheating of the image transmission module 100.
  • the above four methods can reduce the power consumption of the image transmission module 100, and any one, two, three or four of them can be selected in a specific scheme to be used in combination.
  • the image transmission module 100 further includes a circuit board.
  • the image transmission antenna, temperature sensor 102, memory 104, and processor 106 are arranged on the circuit board.
  • the circuit board is equipped with temperature probes.
  • the operating reference temperature is temperature. The temperature of the probe point.
  • the operating reference temperature of the image transmission module 100 is the temperature of the temperature probe point on its circuit board.
  • the sampling point can be flexibly set and detected on demand.
  • the operating reference temperature is the temperature of any chip of the image transmission module 100.
  • the operating reference temperature of the image transmission module 100 is the temperature of any chip of the image transmission module 100.
  • the monitoring temperature of the existing chip can be directly used, and there is no need to make changes to the hardware structure of the image transmission module 100. Any improvement can ensure processing efficiency. Specifically, a chip that heats up relatively quickly can be selected.
  • the embodiment of the second aspect of the present application provides a flight control board for an unmanned aerial vehicle.
  • Fig. 2 shows a schematic structural diagram of a flight control board according to an embodiment of the present application.
  • the flight control board 200 includes:
  • the communication module 202 is used to receive the operating reference temperature of the image transmission module of the UAV;
  • the memory 204 is configured to store computer instructions
  • the processor 206 is configured to execute computer instructions to: receive and update the operating reference temperature according to a preset frequency; generate power consumption adjustment instructions according to the operating reference temperature; and send the power consumption adjustment instructions to the image transmission module to adjust the image transmission The power mode of the module.
  • the flight control board 200 provided by the embodiment of the present application can realize the temperature monitoring of the image transmission module by making the processor 206 receive and update the operating reference temperature of the UAV's image transmission module received by the communication module 202 according to a preset frequency , In order to discover the abnormal heat dissipation of the image transmission module in time.
  • the description method of receiving the operating reference temperature according to the preset frequency is adopted, and it is not limited to receive the data according to a fixed frequency.
  • the preset frequency may be a fixed value or a variable value. For a certain flight control board 200, it is preferably a fixed value to ensure the stability of data transmission.
  • the preset frequency can be increased as much as possible when the data transmission performance of the communication module 202 can be satisfied to achieve close monitoring, and a reasonable preset frequency can also be set when editing computer instructions to balance monitoring requirements and data transmission pressure.
  • the processor 206 is caused to generate and send a corresponding power consumption adjustment instruction to the image transmission module according to the updated operating reference temperature each time, that is, the current heat dissipation condition of the image transmission module, so as to adjust the power consumption mode of the image transmission module.
  • adjusting the power consumption mode is a strategic protection, and it can actively reduce the heat dissipation load from the perspective of controlling heat generation.
  • a temperature control strategy for the image transmission module can be proposed to flexibly adjust the power consumption mode according to the actual heat dissipation situation, which improves the flexibility of protection.
  • the processor 206 sends the power consumption adjustment instruction, it is specifically sent to the communication module 202 first, and then sent from the communication module 202 to the image transmission module.
  • the unmanned aerial vehicle is a crossing machine.
  • generating a power consumption adjustment instruction according to the operating reference temperature includes: generating a low power consumption instruction based on a situation that the current operating reference temperature is greater than a first preset temperature to Switch the image transmission module to or keep it in low power consumption mode.
  • a solution for optimizing heat dissipation when the processor 206 generates power consumption adjustment instructions is specifically limited.
  • the temperature will rise directly.
  • the first preset temperature can be used as a sign of poor heat dissipation to achieve reliable heat dissipation judgment.
  • the first preset temperature is related to the temperature requirements of the image transmission module during normal operation, that is, when the image transmission module is greater than the first preset temperature, the operating performance of the image transmission module begins to decrease, but it will not be down. The specific value can be measured by experiment.
  • the value range of the first preset temperature is 73°C to 77°C, preferably 75°C.
  • the operating reference temperature is higher, that is, greater than the first preset temperature, it is considered that the image transmission module has poor heat dissipation.
  • the image transmission module can be operated in low power consumption mode, which helps to reduce the heat generation of the image transmission module, thereby greatly reducing the heat dissipation load, and meeting the poor heat dissipation conditions of the image transmission module on the ground debugging. Heat dissipation requirements under specific working conditions.
  • the processor 206 generates a low power consumption instruction when the image transmission module is in a state other than the low power consumption mode; after the image transmission module switches to the low power consumption mode, it continues to receive the operating reference temperature according to the preset frequency, Based on the fact that the current operating reference temperature is still greater than the first preset temperature, it is considered that the heat dissipation situation has not been improved, and a low power consumption instruction is generated to keep the image transmission module in the low power consumption mode. Furthermore, if the current operating reference temperature is less than or equal to the first preset temperature, other power consumption adjustment commands can be generated to make the image transmission module exit the low power consumption mode, and other strategies can also be supplemented and configured.
  • generating the power consumption adjustment instruction according to the operating reference temperature further includes: based on the image transmission module being in a low power consumption mode, and the current operating reference temperature is less than the second preset In the case of temperature, a normal operating instruction is generated to switch the image transmission module to a normal operating mode, and the second preset temperature is less than the first preset temperature.
  • the processor 206 exits the solution for optimizing heat dissipation when generating a power consumption adjustment instruction.
  • the image transmission module is already in low power consumption mode, continue to monitor its operating reference temperature to understand its heat dissipation.
  • the second preset temperature can be used as a sign of normal heat dissipation.
  • the operating reference temperature drops below the second preset temperature, it is considered that the heat dissipation of the image transmission module has been completed. Normal, no heat dissipation optimization is required.
  • the image transmission module can be switched to the normal working mode, which helps to ensure that the image transmission module runs with the designed standard performance, thereby ensuring the efficient transmission of image data.
  • the second preset temperature is related to the temperature when the image transmission module is working normally, that is, after the image transmission module is less than the first preset temperature, the operating performance of the image transmission module returns to normal. It is preferable that even if the temperature rises slightly, it will not be correct. The temperature at which the operating performance has a significant impact, to avoid the situation that the temperature is too high just after switching back to the normal operating mode, and to improve the stability of heat dissipation optimization. The specific value can be measured by experiment.
  • the value range of the first preset temperature is 68°C to 72°C, preferably 70°C.
  • the processor 206 may continue to receive the operating reference temperature according to the preset frequency based on the fact that the image transmission module is in the low power consumption mode and the current operating reference temperature is greater than or equal to the second preset temperature, and determine the current operating reference Whether the temperature is less than the second preset temperature to maintain the monitoring of the operating reference temperature in the low-power mode, until the operating reference temperature is less than the second preset temperature, a normal operating instruction is generated to make the image transmission module exit the low-power mode To switch back to normal working mode. It is conceivable that when the image transmission module switches back to the normal operating mode, the processor 206 can continue to receive and update the operating reference temperature according to the preset frequency, so that the operating reference temperature rises above the first preset temperature in time. Generate low-power instructions to switch the image transmission module to low-power mode, that is, keep the temperature control strategy for the image transmission module running to meet the heat dissipation requirements.
  • generating the power consumption adjustment instruction according to the operating reference temperature further includes: based on the image transmission module being in a low power consumption mode, and the current operating reference temperature is greater than or equal to the second preset Set the temperature, determine whether the current operating reference temperature is greater than the first preset temperature; based on the current operating reference temperature is less than or equal to the first preset temperature, generate a normal operating instruction to switch the image transmission module to or keep it at Normal working mode.
  • another scheme for the processor 206 to generate power consumption adjustment instructions is defined. Since the operating reference temperature is updated according to the preset frequency, after the image transmission module is switched to the low power consumption mode, when the heat dissipation is judged according to the updated operating reference temperature, the image transmission module may have been significantly cooled, and with As the preset frequency decreases, this possibility will increase. Based on this, when the image transmission module is in the low power consumption mode, when the operating reference temperature is updated again, it can be considered that the image transmission module has been running in the low power consumption mode for a period of time, and the heat dissipation situation has improved. At this time, if the operating reference temperature drops below the second preset temperature, the image transmission module can switch back to the normal operating mode.
  • the image transmission module is considered It can still run in the normal operating mode, and the image transmission module is switched to the normal operating mode accordingly to ensure that the image transmission module operates with the designed standard performance, thereby ensuring the efficient transmission of image data.
  • the operating reference temperature is estimated from the first preset temperature through theoretical calculations and/or experiments (or a value slightly higher than the first preset temperature, for example, 1°C higher, to extend
  • the heat dissipation cycle, to ensure sufficient single heat dissipation time, is reduced to the second preset temperature (a value slightly lower than the second preset temperature can also be taken, such as 1°C lower, to appropriately extend the heat dissipation cycle to ensure sufficient single heat dissipation time )
  • the required duration is taken as the heat dissipation period, and the reciprocal of the heat dissipation period is taken as the preset frequency.
  • the current operating reference temperature should have fallen below the second preset temperature, thereby reducing the frequency of receiving the operating reference temperature, reducing data interaction, reducing operating load, and reducing power consumption and heat generation.
  • the processor 206 when the processor 206 executes the computer instructions, it generates a power consumption adjustment instruction based on the operating reference temperature, and further includes: determining that the UAV is in a locked mode, and executing the execution based on the current operating reference temperature being greater than the first preset In the case of temperature, the operation of generating low power consumption instructions.
  • another scheme for the processor 206 to generate power consumption adjustment instructions is defined.
  • the processor 206 By prioritizing the working mode of the UAV, and generating the power consumption adjustment command only in the locked mode, that is, it is turned on when the UAV is in the locked mode and the operating reference temperature of the image transmission module reaches the first preset temperature Strategic protection, make the image transmission module run in low power consumption mode, so that you can choose whether to run the temperature control strategy for the image transmission module by selecting the working mode of the UAV, which improves the flexibility and avoids the excessively strict protection strategy. The experience of using is seriously affected, and the business performance of the image transmission module is retained to the greatest extent.
  • generating the power consumption adjustment instruction according to the operating reference temperature further includes: based on the current operating reference temperature being less than or equal to the first preset temperature, or based on the image transmission module In the low-power mode and the current operating reference temperature is greater than or equal to the second preset temperature, a normal operating instruction is generated to switch or maintain the image transmission module to the normal operating mode; based on the image transmission module being in the normal operating mode , To determine whether the UAV is in disarm mode or unlocked (arm) mode.
  • the timing for the processor 206 to determine the operating mode of the UAV is specifically limited.
  • the operating reference temperature is less than or equal to the first preset temperature, it can be considered that there is no need to turn on the strategy protection, and the image transmission module can run in the normal working mode, which clarifies the operation when the operating reference temperature and the first preset temperature are in a different relationship Strategy.
  • a normal operating instruction can be generated to switch the image transmission module to the normal operating mode, which is sufficient to ensure its business performance, but when the reference temperature is running
  • the temperature is greater than or equal to the second preset temperature, it is not clear whether the low power consumption mode should be maintained or exited.
  • the operating mode of the UAV By determining the operating mode of the UAV, it is possible to confirm whether the temperature control strategy needs to be operated in time, and to re-compare the operating reference temperature with the first preset temperature when the need is confirmed. Specifically, if the operating reference temperature is greater than the first preset temperature If the temperature is set, the image transmission module needs to continue to be kept in the low power consumption mode. If the operating reference temperature is less than or equal to the first preset temperature, the image transmission module is considered to be able to operate in the normal working mode, and the image transmission module is switched to normal accordingly. Working mode to ensure that the image transmission module runs with the designed standard performance, thus ensuring the efficient transmission of image data. This scheme not only makes the control scheme clear, but also ensures the efficient transmission of image data.
  • the operating reference temperature will not be too high, and realizes the preservation of the business performance of the image transmission module and the satisfaction of the image transmission module. Balance between heat dissipation requirements. It is understandable that when it is determined that the UAV is in the unlock mode, a normal operation instruction is generated to make the image transmission module operate in the normal operation mode. Further, whenever the image transmission module is in the normal working mode, it is necessary to determine whether the UAV is in the locked mode or the unlock mode, so as to run the temperature control strategy in time to meet the heat dissipation requirements of the image transmission module.
  • the video transmission module includes a video transmission transmitting antenna
  • the power consumption adjustment instruction includes: turning off the power amplifier of the video transmission transmitting antenna; and/or converting the video transmission transmitting antenna from a dual antenna transmission mode to a single antenna transmission mode; And/or reduce the acquisition frame rate of the image acquisition device of the UAV; and/or reduce the transmission frame rate of the image transmission transmitting antenna.
  • the power consumption adjustment instruction is specifically defined.
  • the image transmission module transmits image data through the image transmission transmitting antenna.
  • the image transmission transmitting antenna is a radio frequency antenna, which serves as the radio frequency output terminal of the image transmission module.
  • the RF PA is switched to the bypass mode (power amplifier bypass mode)
  • the power consumption can be directly reduced.
  • the image transmission transmitting antenna By changing the image transmission transmitting antenna from the dual antenna transmission mode that can meet the high transmission volume to the single antenna transmission mode with relatively low transmission volume, that is, turning off the power amplifier of one of the antennas, it can reduce the data transmission volume and reduce the data transmission load , Thereby reducing power consumption.
  • the frame rate of the data collected by the traversing machine is generally very high, which causes the image acquisition device (such as the camera module) and the image transmission module to be in a high power consumption scene.
  • the image acquisition device can be reduced.
  • the acquisition frame rate can reduce the amount of image data to be transmitted.
  • the transmission frame rate of the image transmission transmitting antenna can be reduced from the data source.
  • the transmission frame rate of the image transmission transmitting antenna can be directly reduced. Both of these methods can reduce the frame rate. Rate to reduce the data transmission load, thereby reducing the power consumption of the image acquisition device and the image transmission module, and alleviate the risk of overheating of the image transmission module.
  • the above four instructions can reduce the power consumption of the image transmission module. In a specific scheme, you can choose any one, two, three or four of them in combination.
  • the operating reference temperature is the temperature of the temperature probe point on the circuit board of the image transmission module.
  • the operating reference temperature of the image transmission module is the temperature of the temperature probe point on its circuit board.
  • the operating reference temperature is the temperature of any chip of the image transmission module.
  • the operating reference temperature of the image transmission module is the temperature of any chip of the image transmission module.
  • the monitoring temperature of the existing chip can be used directly without any improvement to the hardware structure of the image transmission module. Can ensure processing efficiency. Specifically, a chip that heats up relatively quickly can be selected.
  • an embodiment of the third aspect of the present application provides an unmanned aerial vehicle 10, including: the image transmission module 100 according to any one of the above-mentioned first aspects; or any one of the above-mentioned second aspects
  • the flight control board 200 described in the embodiment thus has the beneficial effects of the image transmission module 100 or the flight control board 200, which will not be repeated here.
  • an embodiment of the fourth aspect of the present application provides an unmanned aerial vehicle kit 1, including: the unmanned aerial vehicle 10 as described in the above-mentioned third aspect embodiment; and a control terminal of the unmanned aerial vehicle 10 20. Therefore, it has the beneficial effects of the UAV 10, which will not be repeated here.
  • the embodiment of the fifth aspect of the present application provides a control terminal of an unmanned aerial vehicle.
  • Fig. 5 shows a schematic structural diagram of a control terminal of an unmanned aerial vehicle according to an embodiment of the present application.
  • the control terminal 30 includes:
  • the communication module 302 is used to receive the operating reference temperature of the image transmission module of the UAV;
  • the memory 304 is configured to store computer instructions
  • the processor 306 is configured to execute computer instructions to: receive and update the operating reference temperature according to a preset frequency; generate power consumption adjustment instructions according to the operating reference temperature; send the power consumption adjustment instructions to the unmanned aerial vehicle to adjust the image transmission The power mode of the module.
  • the control terminal 30 of the unmanned aerial vehicle provided by the embodiment of the present application, by making the processor 306 receive and update the operating reference temperature of the image transmission module of the unmanned aerial vehicle received by the communication module 302 according to the preset frequency, can realize the control of the image transmission module Temperature monitoring in order to detect abnormal heat dissipation of the image transmission module in time.
  • the preset frequency may be a fixed value or a variable value. For a certain control terminal 30, a fixed value is preferable to ensure the stability of data transmission.
  • the preset frequency can be increased as much as possible when the data transmission performance of the communication module 302 can be satisfied to achieve close monitoring, and a reasonable preset frequency can also be set when editing computer instructions to balance the monitoring requirements and data transmission pressure.
  • a temperature control strategy for the image transmission module can be proposed to flexibly adjust the power consumption mode according to the actual heat dissipation situation, which improves the flexibility of protection.
  • the processor 306 sends the power consumption adjustment instruction, it is specifically first sent to the communication module 302, then sent by the communication module 302 to the receiver of the UAV, and then sent to the image transmission module via the flight control board.
  • generating the power consumption adjustment instruction according to the operating reference temperature includes: generating a low-power consumption instruction based on the current operating reference temperature being greater than the first preset temperature. Switch the image transmission module to or keep it in low power consumption mode.
  • a solution for optimizing heat dissipation when the processor 306 generates power consumption adjustment instructions is specifically limited.
  • the operating reference temperature is higher, that is, greater than the first preset temperature, it is considered that the image transmission module has poor heat dissipation.
  • the image transmission module can be operated in a low power consumption mode, which helps to reduce the heat generation of the image transmission module, thereby reducing the heat dissipation load and meeting the heat dissipation demand.
  • generating the power consumption adjustment instruction according to the operating reference temperature further includes: based on the image transmission module being in a low power consumption mode, and the current operating reference temperature is less than the second preset In the case of temperature, a normal operating instruction is generated to switch the image transmission module to a normal operating mode, and the second preset temperature is less than the first preset temperature.
  • the processor 306 exits the solution for optimizing heat dissipation when generating the power consumption adjustment instruction.
  • the image transmission module is already in the low power consumption mode and the operating reference temperature drops below the second preset temperature, it is considered that the heat dissipation of the image transmission module is normal, and no heat dissipation optimization is required.
  • the image transmission module can be switched to the normal working mode, which helps to ensure that the image transmission module runs with the designed standard performance and ensures the efficient transmission of image data.
  • the power consumption adjustment instruction is generated according to the operating reference temperature, and further includes: based on the image transmission module being in a low power consumption mode, and the current operating reference temperature is greater than or equal to the second preset Set the temperature, determine whether the current operating reference temperature is greater than the first preset temperature; based on the current operating reference temperature is less than or equal to the first preset temperature, generate a normal operating instruction to switch the image transmission module to or keep it at Normal working mode.
  • another scheme for the processor 306 to generate power consumption adjustment instructions is defined.
  • the image transmission module is in the low power consumption mode, when the operating reference temperature is updated again, it can be considered that the image transmission module has been running in the low power consumption mode for a period of time, and the heat dissipation situation has improved.
  • the image transmission module can switch back to the normal operating mode. If not, it can be cleared by determining whether the current operating reference temperature is greater than the first preset temperature again. Only when the image transmission module has a strong heat dissipation optimization requirement, the low power consumption mode is maintained. Otherwise, the image transmission module is switched to the normal working mode to ensure that the image transmission module runs with the designed standard performance, thereby ensuring the efficiency of image data transmission.
  • the processor 306 when the processor 306 executes the computer instructions, it generates a power consumption adjustment instruction based on the operating reference temperature, and further includes: determining that the UAV is in a locked mode, and executing the operation based on the current operating reference temperature being greater than the first preset In the case of temperature, the operation of generating low power consumption instructions.
  • the operating mode of the UAV can be selected to select whether to run the temperature control strategy for the image transmission module, which improves flexibility and avoids In this way, the user experience caused by the strict protection strategy is seriously affected, and the business performance of the image transmission module is retained to the greatest extent.
  • generating the power consumption adjustment instruction according to the operating reference temperature further includes: generating a normal operating instruction based on the current operating reference temperature being less than or equal to the first preset temperature, To switch the image transmission module to or keep it in the normal working mode; based on the situation that the image transmission module is in the normal working mode, or based on the situation that the image transmission module is in the low power consumption mode and the current operating reference temperature is greater than or equal to the second preset temperature To determine whether the UAV is in locked mode or unlocked mode.
  • the timing for the processor 306 to determine the operating mode of the UAV is specifically limited. This scheme not only makes the control scheme clear, but also ensures the efficient transmission of image data. It also ensures that when the temperature control strategy needs to be run, the operating reference temperature will not be too high, and realizes the preservation of the business performance of the image transmission module and the satisfaction of the image transmission module. Balance between heat dissipation requirements.
  • the video transmission module includes a video transmission transmitting antenna
  • the power consumption adjustment instruction includes: turning off the power amplifier of the video transmission transmitting antenna; and/or converting the video transmission transmitting antenna from a dual antenna transmission mode to a single antenna transmission mode; And/or reduce the acquisition frame rate of the image acquisition device of the UAV; and/or reduce the transmission frame rate of the image transmission transmitting antenna.
  • the power consumption adjustment instruction is specifically defined.
  • the above four instructions can reduce the power consumption of the image transmission module. In a specific scheme, you can choose any one, two, three or four of them in combination.
  • the operating reference temperature is the temperature of the temperature probe point on the circuit board of the image transmission module.
  • the operating reference temperature is the temperature of any chip of the image transmission module, and the monitoring temperature of the existing chip can be directly used without any improvement to the hardware structure of the image transmission module.
  • the embodiment of the sixth aspect of the present application provides an unmanned aerial vehicle kit.
  • FIG. 6 shows a schematic structural diagram of the unmanned aerial vehicle kit 4 according to an embodiment of the present application.
  • the UAV kit 4 includes:
  • the unmanned aerial vehicle 40 includes an image transmission module 402, and the unmanned aerial vehicle 40 sends the operating reference temperature of the image transmission module 402 to the control terminal 50;
  • the control terminal 50 receives and updates the operating reference temperature according to the preset frequency, generates a power consumption adjustment instruction according to the operating reference temperature, and sends the power consumption adjustment instruction to the UAV 40 to adjust the power consumption mode of the image transmission module 402.
  • the unmanned aerial vehicle kit 4 provided by the embodiment of the present application includes an unmanned aerial vehicle 40 and a control terminal 50.
  • the control terminal 50 receive and update the operating reference temperature of the image transmission module 402 sent by the unmanned aerial vehicle 40 according to a preset frequency
  • the temperature monitoring of the image transmission module 402 can be realized, so as to discover the abnormal heat dissipation of the image transmission module 402 in time.
  • there is no need to add additional heat dissipation devices to the image transmission module 402 it does not involve changes in the mechanical structure of the UAV 40 and the control terminal 50, and does not increase the production cost of new products, and It can directly upgrade the software of existing products, and its optimization cost is low.
  • a temperature control strategy for the image transmission module 402 can be proposed to flexibly adjust the power consumption mode according to the actual heat dissipation situation, which improves the flexibility of protection. Specifically, when the control terminal 50 sends the power consumption adjustment instruction, it is specifically sent to the receiver of the UAV 40 first, and then sent to the image transmission module 402 via the flight control board.
  • control terminal 50 generates a low power consumption instruction based on a situation that the current operating reference temperature is greater than the first preset temperature to switch the image transmission module 402 to or maintain the low power consumption mode.
  • a solution for controlling the terminal 50 to optimize heat dissipation when generating a power consumption adjustment instruction is specifically defined.
  • the operating reference temperature is higher, that is, greater than the first preset temperature, it is considered that the image transmission module 402 has poor heat dissipation.
  • the image transmission module 402 can be operated in a low power consumption mode, which helps to reduce the heat generation of the image transmission module 402, thereby greatly reducing the heat dissipation load, and meeting the requirements for heat dissipation of the image transmission module 402 during ground debugging. Heat dissipation requirements under specific working conditions under poor conditions.
  • control terminal 50 generates a normal operation instruction based on the situation that the image transmission module 402 is in the low power consumption mode and the current operating reference temperature is less than the second preset temperature to switch the image transmission module 402 to normal operation Mode, the second preset temperature is less than the first preset temperature.
  • control terminal 50 exits the solution for optimizing heat dissipation when generating the power consumption adjustment instruction.
  • the image transmission module 402 is already in the low power consumption mode and the operating reference temperature drops below the second preset temperature, it is considered that the heat dissipation of the image transmission module 402 has been normal.
  • the image transmission module 402 can be switched to the normal operation mode, ensuring that the image transmission module 402 operates with the designed standard performance, thereby ensuring the efficient transmission of image data.
  • control terminal 50 determines whether the current operating reference temperature is greater than the first preset temperature based on the situation that the image transmission module 402 is in the low power consumption mode and the current operating reference temperature is greater than or equal to the second preset temperature; The control terminal 50 generates a normal operation instruction based on the situation that the current operating reference temperature is less than or equal to the first preset temperature to switch or maintain the image transmission module 402 to the normal operation mode.
  • another solution for controlling the terminal 50 to generate power consumption adjustment instructions is defined.
  • the image transmission module 402 When the image transmission module 402 is in the low power consumption mode, when the operating reference temperature is updated again, it can be considered that the image transmission module 402 has been running in the low power consumption mode for a period of time, and the heat dissipation condition has improved. At this time, if the operating reference temperature falls below the second preset temperature, the image transmission module 402 can switch back to the normal operating mode. If not, it can be cleared by re-determining whether the current operating reference temperature is greater than the first preset temperature. Only when the image transmission module 402 has a strong heat dissipation optimization requirement, the low power consumption mode is maintained. Otherwise, the image transmission module 402 is switched to the normal working mode to ensure that the image transmission module 402 runs with the designed standard performance, thereby ensuring the image Efficient transmission of data.
  • control terminal 50 determines that the UAV 40 is in the locked mode, and executes an operation of generating a low power consumption instruction based on the situation that the current operating reference temperature is greater than the first preset temperature.
  • the operating mode of the UAV 40 can be selected to select whether to run the temperature control strategy for the image transmission module 402, which improves flexibility. , Avoiding the severe impact on the user experience caused by the excessively strict protection strategy, and retaining the business performance of the image transmission module 402 to the greatest extent.
  • the control terminal 50 generates a normal operation instruction based on the current operating reference temperature being less than or equal to the first preset temperature to switch or maintain the image transmission module 402 to the normal operating mode; the control terminal 50 is based on the image When the transmission module 402 is in the normal working mode, or based on the situation that the image transmission module 402 is in the low power consumption mode and the current operating reference temperature is greater than or equal to the second preset temperature, it is determined whether the UAV 40 is in the locked mode or the unlocked mode.
  • the timing for the control terminal 50 to determine the operating mode of the UAV 40 is specifically limited. This scheme not only makes the control scheme clear, but also ensures the efficient transmission of image data, and also ensures that when the temperature control strategy is required to run, the operating reference temperature will not be too high, and the business performance of the image transmission module 402 is retained and the image transmission module is satisfied. 402 balance between heat dissipation requirements.
  • the video transmission module 402 includes a video transmission transmitting antenna
  • the power consumption adjustment instruction includes: turning off the power amplifier of the video transmission transmitting antenna; and/or converting the video transmission transmitting antenna from a dual antenna transmission mode to a single antenna transmission mode And/or reduce the acquisition frame rate of the image acquisition device of the UAV 40; and/or reduce the transmission frame rate of the image transmission transmitting antenna.
  • the power consumption adjustment instruction is specifically defined.
  • the above four instructions can reduce the power consumption of the image transmission module 402, and any one, two, three, or four of them can be selected and used in combination in a specific solution.
  • the operating reference temperature is the temperature of the temperature probe point on the circuit board of the image transmission module 402.
  • the operating reference temperature is the temperature of any chip of the image transmission module 402.
  • the monitoring temperature of the existing chip can be used directly, and there is no need to make any improvement to the hardware structure of the image transmission module 402, which can ensure the processing efficiency.
  • the memory involved in the first to sixth aspects may include a large-capacity memory for data or instructions.
  • the memory may include hard disk drives (Hard Disk Drive, HDD), floppy disk drives, flash memory, optical disks, magneto-optical disks, magnetic tapes or Universal Serial Bus (USB) drives, or two or more A combination of these.
  • the storage may include removable or non-removable (or fixed) media.
  • the memory can be inside or outside the integrated gateway disaster recovery device.
  • the memory is a non-volatile solid state memory.
  • the memory includes read only memory (ROM).
  • the ROM can be mask-programmed ROM, programmable ROM (PROM), erasable PROM (EPROM), electrically erasable PROM (EEPROM), electrically rewritable ROM (EAROM) or flash memory or A combination of two or more of these.
  • the processors involved in the first to sixth aspects may include a central processing unit (CPU), or a specific integrated circuit (Application Specific Integrated Circuit, ASIC), or may be configured to implement one or more integrated circuits of the embodiments of the present application .
  • CPU central processing unit
  • ASIC Application Specific Integrated Circuit
  • the embodiment of the seventh aspect of the present application provides a method for controlling the image transmission module.
  • Fig. 7 shows a schematic flowchart of a method for controlling a video transmission module according to an embodiment of the present application.
  • the control method of the image transmission module includes:
  • S106 Adjust the power consumption mode of the image transmission module according to the operating reference temperature.
  • the method for controlling the image transmission module can realize the temperature monitoring of the image transmission module by receiving and updating the operating reference temperature according to the preset frequency, so as to discover the abnormal heat dissipation of the image transmission module in time.
  • the description method of receiving the operating reference temperature according to the preset frequency is adopted, and it is not limited to receive the data according to a fixed frequency.
  • the preset frequency may be a fixed value or a variable value. For a certain image transmission module, a fixed value is preferred to ensure the stability of data transmission.
  • the preset frequency can be increased as much as possible to achieve close monitoring, and a reasonable preset frequency can also be set when designing the control method to balance the monitoring demand and data transmission pressure .
  • the updated operating reference temperature each time, that is, the current heat dissipation of the image transmission module, adjust the power consumption mode of the image transmission module.
  • adjusting the power consumption mode is a strategic protection, and it can actively reduce the heat dissipation load from the perspective of controlling heat generation. When the heat dissipation requirement is met, it is not necessary to add an additional heat dissipation device for the image transmission module, and does not involve changes in the mechanical structure.
  • the unmanned aerial vehicle is a transit aircraft.
  • adjusting the power consumption mode of the image transmission module according to the operating reference temperature includes: switching or maintaining the image transmission module to a low power consumption mode based on the situation that the current operating reference temperature is greater than the first preset temperature .
  • a solution for optimizing heat dissipation when adjusting the power consumption mode of the video transmission module is specifically defined.
  • the first preset temperature can be used as a sign of poor heat dissipation to achieve reliable heat dissipation judgment.
  • the first preset temperature is related to the temperature requirements of the image transmission module during normal operation, that is, when the image transmission module is greater than the first preset temperature, the operating performance of the image transmission module begins to decrease, but it will not be down. The specific value can be measured by experiment.
  • the value range of the first preset temperature is 73°C to 77°C, preferably 75°C.
  • the operating reference temperature is higher, that is, greater than the first preset temperature, it is considered that the image transmission module has poor heat dissipation.
  • the heat generation of the image transmission module can be reduced, thereby greatly reducing the heat dissipation load, and meeting the heat dissipation requirements of the image transmission module under specific working conditions such as ground debugging and poor heat dissipation conditions.
  • the image transmission module when the image transmission module is in a state other than the low power consumption mode, switch to the low power mode; after the image transmission module switches to the low power mode, continue to receive the operating reference temperature according to the preset frequency, based on the current If the operating reference temperature is still greater than the first preset temperature, it is considered that the heat dissipation has not been improved, and the image transmission module continues to remain in the low power consumption mode. Furthermore, if the current operating reference temperature is less than or equal to the first preset temperature, the image transmission module can be made to exit the low power consumption mode, and other strategies can also be supplemented and configured.
  • Fig. 8 shows a schematic flowchart of a method for controlling a video transmission module according to another embodiment of the present application.
  • the control method of the image transmission module includes:
  • S206 Determine whether the current operating reference temperature is greater than the first preset temperature, if yes, go to S208, if not, return to S206;
  • S210 Determine whether the current operating reference temperature is less than a second preset temperature, the second preset temperature is less than the first preset temperature, if yes, go to S212, if not, go back to S210;
  • S212 Switch the image transmission module to the normal working mode, and return to S206.
  • the solution for exiting the optimized heat dissipation when adjusting the power consumption mode of the video transmission module is further limited.
  • the image transmission module is already in low power consumption mode, continue to monitor its operating reference temperature to understand its heat dissipation.
  • the second preset temperature can be used as a sign of normal heat dissipation.
  • the operating reference temperature drops below the second preset temperature, it is considered that the heat dissipation of the image transmission module has been completed. Normal, no heat dissipation optimization is required.
  • the image transmission module can be guaranteed to operate with the designed standard performance, thereby ensuring the efficient transmission of image data.
  • the second preset temperature is related to the temperature when the image transmission module is working normally, that is, after the image transmission module is less than the first preset temperature, the operating performance of the image transmission module returns to normal. It is preferable that even if the temperature rises slightly, it will not be correct.
  • the temperature at which the operating performance has a significant impact to avoid the situation that the temperature is too high just after switching back to the normal operating mode, and to improve the stability of heat dissipation optimization.
  • the specific value can be measured by experiment.
  • the value range of the first preset temperature is 68°C to 72°C, preferably 70°C.
  • the image transmission module is in low power consumption mode and the current operating reference temperature is greater than or equal to the second preset temperature, continue to receive the operating reference temperature at the preset frequency to determine whether the current operating reference temperature is less than the second preset temperature.
  • the preset temperature is used to maintain the monitoring of the operating reference temperature in the low power consumption mode. Until the operating reference temperature is lower than the second preset temperature, the low power consumption mode is exited and the normal operating mode is switched back.
  • Fig. 9 shows a schematic flowchart of a method for controlling a video transmission module according to still another embodiment of the present application.
  • the control method of the image transmission module includes:
  • S306 Determine whether the current operating reference temperature is greater than the first preset temperature, if yes, go to S308, and if not, go to S312;
  • S308 Switch or keep the image transmission module to a low power consumption mode
  • S310 Determine whether the current operating reference temperature is less than a second preset temperature, the second preset temperature is less than the first preset temperature, if yes, go to S312, if not, go back to S306;
  • S312 Switch or keep the image transmission module to the normal working mode, and return to S306.
  • another solution for adjusting the power consumption mode of the video transmission module is defined. Since the operating reference temperature is updated according to the preset frequency, after the image transmission module is switched to the low power consumption mode, when the heat dissipation is judged according to the updated operating reference temperature, the image transmission module may have been significantly cooled, and with As the preset frequency decreases, this possibility will increase. Based on this, when the image transmission module is in the low power consumption mode, when the operating reference temperature is updated again, it can be considered that the image transmission module has been running in the low power consumption mode for a period of time, and the heat dissipation situation has improved. At this time, if the operating reference temperature drops below the second preset temperature, the image transmission module can switch back to the normal operating mode.
  • the image transmission module is considered It can still run in the normal working mode. According to S312, switch the image transmission module to the normal working mode to ensure that the image transmission module runs with the designed standard performance, thereby ensuring the efficient transmission of image data.
  • the operating reference temperature is estimated from the first preset temperature through theoretical calculations and/or experiments (or a value slightly higher than the first preset temperature, for example, 1°C higher, to extend
  • the heat dissipation cycle, to ensure sufficient single heat dissipation time, is reduced to the second preset temperature (a value slightly lower than the second preset temperature can also be taken, such as 1°C lower, to appropriately extend the heat dissipation cycle to ensure sufficient single heat dissipation time )
  • the required duration is taken as the heat dissipation period, and the reciprocal of the heat dissipation period is taken as the preset frequency.
  • the current operating reference temperature should have fallen below the second preset temperature, thereby reducing the frequency of receiving the operating reference temperature, reducing data interaction, reducing operating load, and reducing power consumption and heat generation.
  • adjusting the power consumption mode of the image transmission module according to the operating reference temperature further includes: determining that the UAV is in the locked mode, and executing the image based on the situation that the current operating reference temperature is greater than the first preset temperature Steps for the transmission module to switch to or remain in the low power consumption mode.
  • another solution for adjusting the power consumption mode of the video transmission module is defined. Prioritize the working mode of the UAV, and adjust the power consumption mode of the image transmission module only in the lock mode, that is, when the UAV is in the lock mode and the operating reference temperature of the image transmission module reaches the first preset Turn on strategy protection at temperature and run low power consumption mode, so that you can use the operating mode of the UAV to choose whether to run the temperature control strategy for the image transmission module, which improves the flexibility and avoids the over-strict protection strategy. The user experience was severely affected, and the business performance of the image transmission module was retained to the greatest extent.
  • FIG. 10 shows a schematic flowchart of a method for controlling a video transmission module according to another embodiment of the present application.
  • the control method of the image transmission module includes:
  • S402 Judge whether the UAV is in the locked mode, if yes, go to S404, if not, go to S414;
  • S408 Determine whether the current operating reference temperature is greater than the first preset temperature, if yes, go to S410, if not, go to S414;
  • S410 Switch or keep the image transmission module to a low power consumption mode
  • S412 Determine whether the current operating reference temperature is less than the second preset temperature, and the second preset temperature is less than the first preset temperature, if yes, go to S414, if not, go back to S402;
  • S414 Switch the image transmission module to or keep it in the normal working mode, and return to S402.
  • the timing of determining the operating mode of the UAV is specifically defined.
  • the operating reference temperature is less than or equal to the first preset temperature, it can be considered that there is no need to turn on the strategy protection, and the image transmission module can run in the normal working mode, which clarifies the operation when the operating reference temperature and the first preset temperature are in a different relationship Strategy.
  • the image transmission module is in low power consumption mode, when the operating reference temperature is less than the second preset temperature, the image transmission module can switch to the normal operating mode, which is sufficient to ensure its business performance, but when the operating reference temperature is greater than or equal to the second preset temperature When setting the temperature, it is not clear whether to maintain or exit the low-power mode.
  • the operating mode of the UAV By determining the operating mode of the UAV, it is possible to confirm whether the temperature control strategy needs to be operated in time, and to re-compare the operating reference temperature with the first preset temperature when the need is confirmed. Specifically, if the operating reference temperature is greater than the first preset temperature If the temperature is set, the image transmission module needs to continue to be kept in the low power consumption mode. If the operating reference temperature is less than or equal to the first preset temperature, the image transmission module is considered to be able to operate in the normal working mode, and the image transmission module is switched to normal accordingly. Working mode to ensure that the image transmission module runs with the designed standard performance, thus ensuring the efficient transmission of image data. This scheme not only makes the control scheme clear, but also ensures the efficient transmission of image data.
  • the operating reference temperature will not be too high, and realizes the preservation of the business performance of the image transmission module and the satisfaction of the image transmission module. Balance between heat dissipation requirements. It is understandable that when it is determined that the UAV is in the unlock mode, the image transmission module operates in the normal working mode. Further, whenever the image transmission module is in the normal working mode, it is necessary to determine whether the UAV is in the locked mode or the unlock mode, so as to run the temperature control strategy in time to meet the heat dissipation requirements of the image transmission module.
  • the complete content of this solution is the power-on self-check of the image transmission module. If the UAV is in the locked mode, the operating reference temperature inside the image transmission module is detected. If the UAV is in the unlock mode, then The low power consumption mode of the image transmission module is not triggered, and it is the normal working mode, working at full power. When it is detected that the aircraft is in locked mode, if the operating reference temperature is greater than the set protection threshold temperature, that is, the first preset temperature, the image transmission module switches to low power consumption mode. If the reference temperature is not greater than the first preset temperature Repeat the above detection process. After the image transmission module enters the low power consumption mode, continue to determine whether the operating reference temperature is lower than the second preset temperature.
  • the set protection threshold temperature that is, the first preset temperature
  • the image transmission module switches to the normal operating mode. If the operating reference temperature is If the temperature is not lower than the second preset temperature, return to the lock mode detection step, and repeat the above determination and the corresponding execution process.
  • the image transmission module includes an image transmission transmitting antenna
  • switching or maintaining the image transmission module to a low power consumption mode includes: turning off the power amplifier of the image transmission transmitting antenna;
  • the antenna transmission mode is converted to a single antenna transmission mode; and/or a frame drop request is issued to reduce the acquisition frame rate of the image acquisition device of the UAV; and/or the transmission frame rate of the image transmission transmitting antenna is reduced.
  • the optional way for the image transmission module to run the low power consumption mode is specifically limited.
  • the image transmission module transmits image data through the image transmission transmitting antenna.
  • the image transmission transmitting antenna is a radio frequency antenna, which serves as the radio frequency output terminal of the image transmission module.
  • the radio frequency PA Power Amplifier, power amplifier
  • the bypass mode power amplifier bypass mode
  • the frame rate of the data collected by the traversing machine is generally very high, which causes the image acquisition device (such as the camera module) and the image transmission module to be in a high power consumption scene.
  • the image acquisition device can be reduced.
  • the acquisition frame rate can reduce the amount of image data to be transmitted.
  • the transmission frame rate of the image transmission transmitting antenna can be reduced from the data source.
  • the transmission frame rate of the image transmission transmitting antenna can be directly reduced. Both of these methods can reduce the frame rate. Rate to reduce the data transmission load, thereby reducing the power consumption of the image acquisition device and the image transmission module, and alleviate the risk of overheating of the image transmission module.
  • the above four methods can reduce the power consumption of the image transmission module, and any one, two, three, or four of them can be used in combination in a specific scheme.
  • the operating reference temperature is the temperature of the temperature probe point on the circuit board of the image transmission module.
  • the operating reference temperature is the temperature of any chip of the image transmission module, and the monitoring temperature of the existing chip can be directly used without any improvement to the hardware structure of the image transmission module.
  • the embodiment of the eighth aspect of the present application provides a method for controlling a flight control board.
  • Fig. 11 shows a schematic flowchart of a control method of a flight control board according to an embodiment of the present application.
  • the control method of the flight control board includes:
  • S506 Send a power consumption adjustment instruction to the image transmission module to adjust the power consumption mode of the image transmission module.
  • the control method of the flight control board provided by the embodiment of the application can realize the temperature monitoring of the image transmission module by receiving and updating the operating reference temperature of the image transmission module of the unmanned aerial vehicle according to the preset frequency, so as to discover the status of the image transmission module in time Abnormal heat dissipation.
  • the description method of receiving the operating reference temperature according to the preset frequency is adopted, and it is not limited to receive the data according to a fixed frequency.
  • the preset frequency may be a fixed value or a variable value. For a certain flight control board, a fixed value is preferred to ensure the stability of data transmission.
  • the preset frequency can be increased as much as possible to achieve close monitoring.
  • a reasonable preset frequency can also be set when designing the control method to balance the monitoring requirements and data transmission pressure.
  • a corresponding power consumption adjustment instruction is generated and sent to the image transmission module to adjust the power consumption mode of the image transmission module.
  • adjusting the power consumption mode is a strategic protection, and it can actively reduce the heat dissipation load from the perspective of controlling heat generation.
  • the unmanned aerial vehicle is a transit aircraft.
  • generating a power consumption adjustment instruction according to the operating reference temperature includes: generating a low power consumption instruction based on a situation that the current operating reference temperature is greater than a first preset temperature to switch the image transmission module to or keep it at Low power consumption mode.
  • a solution for optimizing heat dissipation when generating power adjustment instructions is specifically defined.
  • the first preset temperature can be used as a sign of poor heat dissipation to achieve reliable heat dissipation judgment.
  • the first preset temperature is related to the temperature requirements of the image transmission module during normal operation, that is, when the image transmission module is greater than the first preset temperature, the operating performance of the image transmission module begins to decrease, but it will not be down. The specific value can be measured by experiment.
  • the value range of the first preset temperature is 73°C to 77°C, preferably 75°C.
  • the operating reference temperature is higher, that is, greater than the first preset temperature, it is considered that the image transmission module has poor heat dissipation.
  • the image transmission module can be operated in low power consumption mode, which helps to reduce the heat generation of the image transmission module, thereby greatly reducing the heat dissipation load, and meeting the poor heat dissipation conditions of the image transmission module on the ground debugging. Heat dissipation requirements under specific working conditions.
  • a low power consumption instruction is generated; after the image transmission module switches to the low power consumption mode, it continues to receive the operating reference temperature at the preset frequency, based on the current If the operating reference temperature is still greater than the first preset temperature, it is considered that the heat dissipation has not been improved, and a low power consumption instruction is generated to keep the image transmission module in the low power consumption mode. Furthermore, if the current operating reference temperature is less than or equal to the first preset temperature, other power consumption adjustment commands can be generated to make the image transmission module exit the low power consumption mode, and other strategies can also be supplemented and configured.
  • Fig. 12 shows a schematic flowchart of a method for controlling a flight control board according to another embodiment of the present application.
  • the control method of the flight control board includes:
  • S602 Receive and update the operating reference temperature according to the preset frequency
  • S604 Determine whether the current operating reference temperature is greater than the first preset temperature, if yes, go to S606, if not, go back to S604;
  • S606 Generate a low power consumption instruction and send it to the image transmission module to switch or maintain the image transmission module in the low power consumption mode;
  • S608 Determine whether the current operating reference temperature is less than the second preset temperature, and the second preset temperature is less than the first preset temperature, if yes, go to S610, if not, go back to S608;
  • S610 Generate a normal operation instruction and send it to the image transmission module to switch the image transmission module to the normal operation mode, and return to S604.
  • the solution for exiting the optimized heat dissipation when the power consumption adjustment instruction is generated is further specifically limited.
  • the image transmission module is already in low power consumption mode, continue to monitor its operating reference temperature to understand its heat dissipation.
  • the second preset temperature can be used as a sign of normal heat dissipation.
  • the operating reference temperature drops below the second preset temperature, it is considered that the heat dissipation of the image transmission module has been completed. Normal, no heat dissipation optimization is required.
  • the image transmission module can be switched to the normal working mode, which helps to ensure that the image transmission module runs with the designed standard performance, thereby ensuring the efficient transmission of image data.
  • the second preset temperature is related to the temperature when the image transmission module is working normally, that is, after the image transmission module is less than the first preset temperature, the operating performance of the image transmission module returns to normal. It is preferable that even if the temperature rises slightly, it will not be correct. The temperature at which the operating performance has a significant impact, to avoid the situation that the temperature is too high just after switching back to the normal operating mode, and to improve the stability of heat dissipation optimization. The specific value can be measured by experiment.
  • the value range of the first preset temperature is 68°C to 72°C, preferably 70°C.
  • the image transmission module is in low power consumption mode and the current operating reference temperature is greater than or equal to the second preset temperature, continue to receive the operating reference temperature at the preset frequency to determine whether the current operating reference temperature is less than the second preset temperature.
  • the preset temperature is used to maintain the monitoring of the operating reference temperature in the low power consumption mode.
  • the normal operating instruction is generated to make the image transmission module exit the low power consumption mode and switch back to normal operation mode. It is conceivable that when the image transmission module switches back to the normal operating mode, it can continue to receive and update the operating reference temperature according to the preset frequency, so as to generate low power in time when the operating reference temperature rises above the first preset temperature.
  • the consumption command is used to switch the image transmission module to a low power consumption mode, that is, to keep the temperature control strategy for the image transmission module running to meet the heat dissipation requirement.
  • Fig. 13 shows a schematic flowchart of a control method of a flight control board according to still another embodiment of the present application.
  • the control method of the flight control board includes:
  • S702 Receive and update the operating reference temperature according to the preset frequency
  • S704 Determine whether the current operating reference temperature is greater than the first preset temperature, if yes, go to S706, if not, go to S710;
  • S706 Generate a low power consumption instruction and send it to the image transmission module to switch or maintain the image transmission module in the low power consumption mode;
  • S708 Determine whether the current operating reference temperature is less than the second preset temperature, the second preset temperature is less than the first preset temperature, if yes, go to S710, if not, go back to S704;
  • S710 Generate a normal work instruction and send it to the image transmission module to switch or maintain the image transmission module in the normal operation mode, and return to S704.
  • another scheme for generating power consumption adjustment instructions is defined. Since the operating reference temperature is updated according to the preset frequency, after the image transmission module is switched to the low power consumption mode, when the heat dissipation is judged according to the updated operating reference temperature, the image transmission module may have been significantly cooled, and with As the preset frequency decreases, this possibility will increase. Based on this, when the image transmission module is in the low power consumption mode, when the operating reference temperature is updated again, it can be considered that the image transmission module has been running in the low power consumption mode for a period of time, and the heat dissipation situation has improved. At this time, if the operating reference temperature drops below the second preset temperature, the image transmission module can switch back to the normal operating mode.
  • the image transmission module is considered It can still run in the normal working mode. According to S710, switch the image transmission module to the normal working mode to ensure that the image transmission module runs with the designed standard performance, thereby ensuring the efficient transmission of image data.
  • the operating reference temperature is estimated from the first preset temperature through theoretical calculations and/or experiments (or a value slightly higher than the first preset temperature, for example, 1°C higher, to extend
  • the heat dissipation cycle, to ensure sufficient single heat dissipation time, is reduced to the second preset temperature (a value slightly lower than the second preset temperature can also be taken, such as 1°C lower, to appropriately extend the heat dissipation cycle to ensure sufficient single heat dissipation time )
  • the required duration is taken as the heat dissipation period, and the reciprocal of the heat dissipation period is taken as the preset frequency.
  • the current operating reference temperature should have fallen below the second preset temperature, thereby reducing the frequency of receiving the operating reference temperature, reducing data interaction, reducing operating load, and reducing power consumption and heat generation.
  • generating the power consumption adjustment instruction according to the operating reference temperature further includes: determining that the UAV is in a locked mode, and executing the low power consumption instruction based on the situation that the current operating reference temperature is greater than the first preset temperature Operation.
  • another scheme for generating power consumption adjustment instructions is defined.
  • the working mode of the UAV By prioritizing the working mode of the UAV, and generating the power consumption adjustment command only in the locked mode, that is, it is turned on when the UAV is in the locked mode and the operating reference temperature of the image transmission module reaches the first preset temperature Strategic protection, make the image transmission module run in low power consumption mode, so that you can choose whether to run the temperature control strategy for the image transmission module by selecting the working mode of the UAV, which improves the flexibility and avoids the excessively strict protection strategy. The experience of using is seriously affected, and the business performance of the image transmission module is retained to the greatest extent.
  • Fig. 14 shows a schematic flow chart of a control method of a flight control board according to another embodiment of the present application.
  • the control method of the flight control board includes:
  • S802 Judge whether the UAV is in the lock mode, if yes, go to S804, if not, go to S814;
  • S804 Receive and update the operating reference temperature according to the preset frequency
  • S806 Determine whether the current operating reference temperature is greater than the first preset temperature, if yes, go to S808, if not, go to S812;
  • S808 Generate a low power consumption instruction and send it to the image transmission module to switch or maintain the image transmission module in the low power consumption mode;
  • S810 Determine whether the current operating reference temperature is less than the second preset temperature, the second preset temperature is less than the first preset temperature, if yes, go to S812, if not, go back to S802;
  • S812 Generate a normal working instruction and send it to the image transmission module to switch or maintain the image transmission module in the normal operation mode, and return to S802.
  • the timing of determining the operating mode of the UAV is specifically defined.
  • the operating reference temperature is less than or equal to the first preset temperature, it can be considered that there is no need to turn on the strategy protection, and the image transmission module can run in the normal working mode, which clarifies the operation when the operating reference temperature and the first preset temperature are in a different relationship Strategy.
  • a normal operating instruction can be generated to switch the image transmission module to the normal operating mode, which is sufficient to ensure its business performance, but when the reference temperature is running When the temperature is greater than or equal to the second preset temperature, it is not clear whether to maintain or exit the low power consumption mode.
  • the operating mode of the UAV By determining the operating mode of the UAV, it is possible to confirm whether the temperature control strategy needs to be operated in time, and to re-compare the operating reference temperature with the first preset temperature when the need is confirmed. Specifically, if the operating reference temperature is greater than the first preset temperature If the temperature is set, the image transmission module needs to continue to be kept in the low power consumption mode. If the operating reference temperature is less than or equal to the first preset temperature, the image transmission module is considered to be able to operate in the normal working mode, and the image transmission module is switched to normal accordingly. Working mode to ensure that the image transmission module runs with the designed standard performance, thus ensuring the efficient transmission of image data. This scheme not only makes the control scheme clear, but also ensures the efficient transmission of image data.
  • the operating reference temperature will not be too high, and realizes the preservation of the business performance of the image transmission module and the satisfaction of the image transmission module. Balance between heat dissipation requirements. It is understandable that when it is determined that the UAV is in the unlock mode, a normal operation instruction is generated to make the image transmission module operate in the normal operation mode. Further, whenever the image transmission module is in the normal working mode, it is necessary to determine whether the UAV is in the locked mode or the unlock mode, so as to run the temperature control strategy in time to meet the heat dissipation requirements of the image transmission module.
  • the video transmission module includes a video transmission transmitting antenna
  • the power consumption adjustment instruction includes: turning off the power amplifier of the video transmission transmitting antenna; and/or converting the video transmission transmitting antenna from a dual antenna transmission mode to a single antenna transmission mode; And/or reduce the acquisition frame rate of the image acquisition device of the UAV; and/or reduce the transmission frame rate of the image transmission transmitting antenna.
  • the power consumption adjustment instruction is specifically defined.
  • the image transmission module transmits image data through the image transmission transmitting antenna.
  • the image transmission transmitting antenna is a radio frequency antenna, which serves as the radio frequency output terminal of the image transmission module.
  • the RF PA is switched to the bypass mode (power amplifier bypass mode)
  • the power consumption can be directly reduced.
  • the image transmission transmitting antenna By changing the image transmission transmitting antenna from the dual antenna transmission mode that can meet the high transmission volume to the single antenna transmission mode with relatively low transmission volume, that is, turning off the power amplifier of one of the antennas, it can reduce the data transmission volume and reduce the data transmission load , Thereby reducing power consumption.
  • the frame rate of the data collected by the traversing machine is generally very high, which causes the image acquisition device (such as the camera module) and the image transmission module to be in a high power consumption scene.
  • the image acquisition device can be reduced.
  • the acquisition frame rate can reduce the amount of image data to be transmitted.
  • the transmission frame rate of the image transmission transmitting antenna can be reduced from the data source.
  • the transmission frame rate of the image transmission transmitting antenna can be directly reduced. Both of these methods can reduce the frame rate. Rate to reduce the data transmission load, thereby reducing the power consumption of the image acquisition device and the image transmission module, and alleviate the risk of overheating of the image transmission module.
  • the above four instructions can reduce the power consumption of the image transmission module. In a specific scheme, you can choose any one, two, three or four of them in combination.
  • the operating reference temperature is the temperature of the temperature probe point on the circuit board of the image transmission module.
  • the operating reference temperature is the temperature of any chip of the image transmission module, and the monitoring temperature of the existing chip can be directly used without any improvement to the hardware structure of the image transmission module.
  • FIG. 15 shows a schematic flowchart of a control method of a control terminal of an unmanned aerial vehicle according to an embodiment of the present application.
  • the control method of the control terminal of the UAV includes:
  • S902 Receive and update the operating reference temperature according to the preset frequency
  • S906 Send the power consumption adjustment instruction to the UAV to adjust the power consumption mode of the image transmission module.
  • the control method for the control terminal of the unmanned aerial vehicle provided by the embodiment of the present application will not increase the production cost of new products, and the optimization cost of existing products is low.
  • the power consumption mode can be flexibly adjusted according to the actual heat dissipation situation, which improves flexibility.
  • generating a power consumption adjustment instruction according to the operating reference temperature includes: generating a low power consumption instruction based on a situation that the current operating reference temperature is greater than a first preset temperature to switch the image transmission module to or keep it at Low power consumption mode.
  • the image transmission module when the operating reference temperature is higher, that is, greater than the first preset temperature, it is considered that the image transmission module has poor heat dissipation.
  • the image transmission module can be operated in a low power consumption mode, which reduces the heat generation of the image transmission module, thereby reducing the heat dissipation load and meeting the heat dissipation demand.
  • generating a power consumption adjustment instruction according to the operating reference temperature further includes: generating a normal operating instruction based on the situation that the image transmission module is in a low power consumption mode and the current operating reference temperature is less than the second preset temperature, To switch the image transmission module to the normal operating mode, the second preset temperature is less than the first preset temperature.
  • the image transmission module when the image transmission module is already in the low power consumption mode and the operating reference temperature drops below the second preset temperature, it is considered that the heat dissipation of the image transmission module is normal, and no heat dissipation optimization is required. At this time, a normal working instruction is generated, and the image transmission module can be switched to the normal working mode, which helps to ensure that the image transmission module runs with the designed standard performance, thereby ensuring the efficient transmission of image data.
  • generating the power consumption adjustment instruction according to the operating reference temperature further includes: determining the current operating system based on the situation that the image transmission module is in the low power consumption mode and the current operating reference temperature is greater than or equal to the second preset temperature Whether the reference temperature is greater than the first preset temperature; based on the fact that the current operating reference temperature is less than or equal to the first preset temperature, a normal operating instruction is generated to switch or maintain the image transmission module to the normal operating mode.
  • the image transmission module when the image transmission module is in the low power consumption mode, when the operating reference temperature is updated again, it can be considered that the image transmission module has been running in the low power consumption mode for a period of time, and the heat dissipation condition has improved.
  • the operating reference temperature does not fall below the second preset temperature, it is determined again whether the current operating reference temperature is greater than the first preset temperature, and it can be kept low when it is clear that the image transmission module has a strong heat dissipation optimization requirement Power consumption mode, otherwise the image transmission module will be switched to the normal working mode to ensure that the image transmission module runs with the designed standard performance.
  • generating the power consumption adjustment instruction according to the operating reference temperature further includes: determining that the UAV is in a locked mode, and executing the low power consumption instruction based on the situation that the current operating reference temperature is greater than the first preset temperature Operation.
  • the operating mode of the UAV is selected to select whether to run the temperature control strategy for the image transmission module, which preserves the business performance of the image transmission module to the greatest extent.
  • generating a power consumption adjustment instruction according to the operating reference temperature further includes: generating a normal operating instruction based on a situation that the current operating reference temperature is less than or equal to the first preset temperature to switch the image transmission module to or maintain In normal working mode; based on the situation that the image transmission module is in the normal working mode, or based on the situation that the image transmission module is in low power consumption mode and the current operating reference temperature is greater than or equal to the second preset temperature, it is determined that the UAV is in the locked mode Still unlock mode.
  • the timing of determining the operating mode of the UAV is specifically defined. This scheme not only makes the control scheme clear, but also ensures the efficient transmission of image data. It also ensures that when the temperature control strategy needs to be run, the operating reference temperature will not be too high, and realizes the preservation of the business performance of the image transmission module and the satisfaction of the image transmission module. Balance between heat dissipation requirements.
  • the video transmission module includes a video transmission transmitting antenna
  • the power consumption adjustment instruction includes: turning off the power amplifier of the video transmission transmitting antenna; and/or converting the video transmission transmitting antenna from a dual antenna transmission mode to a single antenna transmission mode; And/or reduce the acquisition frame rate of the image acquisition device of the UAV; and/or reduce the transmission frame rate of the image transmission transmitting antenna.
  • the operating reference temperature is the temperature of the temperature probe point on the circuit board of the image transmission module.
  • the operating reference temperature is the temperature of any chip of the image transmission module, and the monitoring temperature of the existing chip can be directly used without any improvement to the hardware structure of the image transmission module.
  • the embodiment of the tenth aspect of the present application provides a method for controlling an unmanned aerial vehicle kit.
  • Fig. 16 shows a schematic flow chart of a method for controlling an unmanned aerial vehicle kit according to an embodiment of the present application.
  • the control method of the UAV kit includes:
  • S1002 Control the UAV to send the operating reference temperature of the image transmission module to the control terminal;
  • S1004 Control the control terminal to receive and update the operating reference temperature according to the preset frequency, generate a power consumption adjustment instruction according to the operating reference temperature, and send the power consumption adjustment instruction to the UAV to adjust the power consumption mode of the image transmission module.
  • the control method of the unmanned aerial vehicle kit provided by the embodiment of the present application will not increase the production cost of new products, and the optimization cost of existing products is low.
  • the power consumption mode can be flexibly adjusted according to the actual heat dissipation situation, which improves the flexibility of protection.
  • generating a power consumption adjustment instruction according to the operating reference temperature includes: controlling the control terminal to generate a low power consumption instruction based on a situation that the current operating reference temperature is greater than a first preset temperature to switch the image transmission module to Or stay in low-power mode.
  • the image transmission module when the operating reference temperature is higher, that is, greater than the first preset temperature, it is considered that the image transmission module has poor heat dissipation.
  • the image transmission module can be operated in a low power consumption mode, which reduces the heat generation of the image transmission module, thereby reducing the heat dissipation load and meeting the heat dissipation demand.
  • generating the power consumption adjustment instruction according to the operating reference temperature further includes: controlling the control terminal to generate a normal operation based on the situation that the image transmission module is in a low power consumption mode and the current operating reference temperature is less than the second preset temperature.
  • a working instruction to switch the image transmission module to a normal working mode, and the second preset temperature is less than the first preset temperature.
  • the image transmission module when the image transmission module is already in the low power consumption mode and the operating reference temperature drops below the second preset temperature, it is considered that the heat dissipation of the image transmission module is normal, and no heat dissipation optimization is required.
  • the image transmission module can be switched to the normal working mode to ensure that the image transmission module runs with the designed standard performance, thereby ensuring the efficient transmission of image data.
  • generating the power consumption adjustment instruction according to the operating reference temperature further includes: controlling the control terminal to determine based on the situation that the image transmission module is in the low power consumption mode and the current operating reference temperature is greater than or equal to the second preset temperature Whether the current operating reference temperature is greater than the first preset temperature; the control terminal generates a normal operating instruction based on the current operating reference temperature being less than or equal to the first preset temperature to switch the image transmission module to or maintain the normal operating mode .
  • the image transmission module when the image transmission module is in the low power consumption mode, when the operating reference temperature is updated again, it can be considered that the image transmission module has been running in the low power consumption mode for a period of time, and the heat dissipation condition has improved. At this time, if the operating reference temperature drops below the second preset temperature, the image transmission module can switch back to the normal operating mode. If not, it can be cleared by determining whether the current operating reference temperature is greater than the first preset temperature again. Only when the image transmission module has a strong heat dissipation optimization requirement, the low power consumption mode is maintained. Otherwise, the image transmission module is switched to the normal working mode to ensure that the image transmission module runs with the designed standard performance, thereby ensuring the efficiency of image data transmission.
  • generating the power consumption adjustment instruction according to the operating reference temperature further includes: controlling the control terminal to determine that the UAV is in the locked mode, and executing the generation of low power consumption based on the current operating reference temperature being greater than the first preset temperature. Operation of power consumption instructions.
  • the operating mode of the UAV is selected to select whether to run the temperature control strategy for the image transmission module, which preserves the business performance of the image transmission module to the greatest extent.
  • generating the power consumption adjustment instruction according to the operating reference temperature further includes: controlling the control terminal to generate a normal operating instruction based on the current operating reference temperature being less than or equal to the first preset temperature to switch the image transmission module To or remain in the normal working mode; control the control terminal based on the situation that the image transmission module is in the normal working mode, or based on the situation that the image transmission module is in the low power consumption mode and the current operating reference temperature is greater than or equal to the second preset temperature, and determine no Whether the human aircraft is in locked mode or unlocked mode.
  • the timing for the control terminal to determine the operating mode of the UAV is specifically limited. This scheme not only makes the control scheme clear, but also ensures the efficient transmission of image data. It also ensures that when the temperature control strategy needs to be run, the operating reference temperature will not be too high, and realizes the preservation of the business performance of the image transmission module and the satisfaction of the image transmission module. Balance between heat dissipation requirements.
  • the video transmission module includes a video transmission transmitting antenna
  • the power consumption adjustment instruction includes: turning off the power amplifier of the video transmission transmitting antenna; and/or converting the video transmission transmitting antenna from a dual antenna transmission mode to a single antenna transmission mode; And/or reduce the acquisition frame rate of the image acquisition device of the UAV; and/or reduce the transmission frame rate of the image transmission transmitting antenna.
  • the operating reference temperature is the temperature of the temperature probe point on the circuit board of the image transmission module.
  • the operating reference temperature is the temperature of any chip of the image transmission module, and the monitoring temperature of the existing chip can be directly used without any improvement to the hardware structure of the image transmission module.
  • the embodiment of the eleventh aspect of the present application provides a computer-readable storage medium on which a computer program is stored.
  • the control method of the image transmission module as described in any of the above embodiments is implemented.
  • Step, or step of the control method of the flight control board as described in any of the above embodiments, or step of the control terminal of the unmanned aerial vehicle as described in any of the above embodiments, or as in any of the above embodiments The steps of the control method of the kit of the unmanned aerial vehicle are provided with the control method of the image transmission module, the control method of the flight control board, the control method of the control terminal of the unmanned aerial vehicle, or the control method of the kit of the unmanned aerial vehicle.
  • a computer-readable storage medium may include any medium capable of storing or transmitting information.
  • Examples of computer-readable storage media include electronic circuits, semiconductor memory devices, ROM, flash memory, erasable ROM (EROM), floppy disks, CD-ROMs, optical disks, hard disks, fiber optic media, radio frequency (RF) links, and the like.
  • the code segment can be downloaded via a computer network such as the Internet, an intranet, etc.
  • this application provides a temperature control strategy for the image transmission module ground work scenario, which will only work when the UAV is in the locked state, and the strategy will start according to the operating reference temperature of the image transmission module.
  • Different protection actions namely through strategic and differentiated activation of multiple protection strategies, can not only ensure that the internal chip of the image transmission module does not overheat and cause downtime, ensure the reliability of the chip and system stability, but also avoid the protection strategy. Too strict results in a serious impact on the user experience and retains the business performance of the image transmission module to the greatest extent.
  • the temperature control strategy of the image transmission module can also be extended to the unlocked state of the UAV.
  • the operating reference temperature can be the temperature of a temperature probe designed on the circuit board of the image transmission module, or the monitoring temperature of a certain chip inside the image transmission module.
  • the three methods of radio PA bypass, radio transmission 2T to 1T, and lower video transmission frame rate can be flexibly matched.
  • the term “plurality” refers to two or more than two, unless specifically defined otherwise.
  • the terms “installed”, “connected”, “connected”, “fixed” and other terms should be understood in a broad sense.
  • “connected” can be a fixed connection, a detachable connection, or an integral connection;
  • “connected” can be It is directly connected or indirectly connected through an intermediary.
  • the specific meanings of the above terms in this application can be understood according to specific circumstances.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
  • Traffic Control Systems (AREA)

Abstract

La présente invention concerne un support d'informations, un module de transmission d'images, un véhicule aérien sans pilote, ainsi qu'une borne de régulation et un kit associé. Le module de transmission d'images est utilisé pour un véhicule aérien sans pilote. Le module de transmission d'images comprend un capteur de température, une mémoire et un processeur. Le capteur de température sert à détecter une température de référence de fonctionnement. La mémoire est configurée pour mémoriser des instructions informatiques et le processeur est configuré pour exécuter les instructions informatiques pour mettre en œuvre : la réception et la mise à jour de la température de référence de fonctionnement, selon une fréquence prédéfinie ; et le réglage d'un mode de consommation d'énergie du module de transmission d'images, selon la température de référence de fonctionnement. Le module de transmission d'images décrit dans les modes de réalisation de la présente invention peut proposer une politique de régulation de température pour le module de transmission d'images, de manière à régler avec flexibilité un mode de consommation d'énergie selon une situation réelle de dissipation de chaleur, ce qui permet d'améliorer la flexibilité de protection. La présente invention peut également réduire activement la charge de dissipation de chaleur par régulation de la production de chaleur. Lorsque les exigences de dissipation de chaleur sont satisfaites, il est inutile d'ajouter un appareil de dissipation de chaleur supplémentaire dans le module de transmission d'images, la mise à niveau logicielle pouvant avoir lieu directement sur un produit existant, pour un faible coût d'optimisation.
PCT/CN2019/092358 2019-06-21 2019-06-21 Support d'informations, module de transmission d'images, véhicule aérien sans pilote, terminal de régulation et kit associé WO2020252781A1 (fr)

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PCT/CN2019/092358 WO2020252781A1 (fr) 2019-06-21 2019-06-21 Support d'informations, module de transmission d'images, véhicule aérien sans pilote, terminal de régulation et kit associé
CN201980007831.2A CN111566586A (zh) 2019-06-21 2019-06-21 存储介质、图传模块、无人飞行器及其控制终端和套件

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