WO2022121482A1

WO2022121482A1 - Load control apparatus, unmanned aerial vehicle, unmanned aerial vehicle control system, and load control method

Info

Publication number: WO2022121482A1
Application number: PCT/CN2021/122624
Authority: WO
Inventors: 程鸿平; 于江涛
Original assignee: 广州极飞科技股份有限公司
Priority date: 2020-12-09
Filing date: 2021-10-08
Publication date: 2022-06-16
Also published as: CN112506223A

Abstract

The present application relates to the technical field of unmanned aerial vehicles, and provides a load control apparatus, an unmanned aerial vehicle, an unmanned aerial vehicle control system, and a load control method. The load control apparatus comprises: a processing module and a switching module; an output end of the switching module is connected to an input end of the processing module; an input end of the switching module is used to connect to a load; an output end of the processing module is used to connect to a load; once the switching module is connected to a load, the switching module is used to input to the processing module an electrical signal corresponding to said load; and the processing module is used to determine the type of the load according to the electrical signal inputted by the switching module, and output a control signal matching the type of the load. In the present application, an electrical signal corresponding to a load is inputted to a processing module according to differences in the connected loads, so that according to the inputted electrical signal, the processing module can output a control signal matching the type of the load. Compared to existing technology, there is no need for a plurality of load control apparatuses, which not only reduces the cost of hardware, but also reduces the maintenance complexity.

Description

Load control device, unmanned aerial vehicle, unmanned aerial vehicle control system and load control method

technical field

The present application relates to the technical field of unmanned aerial vehicles, and in particular, to a load control device, an unmanned aerial vehicle, an unmanned aerial vehicle control system and a load control method.

Background of the Invention

With the rapid development of UAV technology, UAVs are widely used in more and more fields. For example, in the field of vegetation protection, drones can be used in agricultural scenarios such as vegetation spraying and vegetation sowing.

At this stage, due to the large number of agricultural scenarios used by drones, there are usually multiple motors in the drone. Due to the difference in the motor load and the difference in the working environment of the motor, it is often necessary to design multiple electronic governors for matching. Among them, the electronic governor is used to adjust the speed of the motor.

However, the use of multiple electronic governors results in higher UAV hardware costs and higher maintenance complexity.

SUMMARY OF THE INVENTION

The purpose of this application is to provide a load control device, unmanned aerial vehicle, unmanned aerial vehicle control system and load control method in view of the deficiencies in the above-mentioned prior art, so as to solve the problem that the hardware cost of unmanned aerial vehicles in the prior art is relatively high, And maintenance complexity is high.

In a first aspect, an embodiment of the present application provides a load control device, including: a processing module and a switching module;

The output end of the switching module is connected with the input end of the processing module;

The input end of the switching module is used to connect the load;

The output end of the processing module is used to connect the load;

The switching module is configured to input an electrical signal corresponding to the load to the processing module after the load is connected;

The processing module is configured to determine the type of the load according to the electrical signal input by the switching module, and output a control signal matching the type of the load.

In an optional implementation manner, the switching module includes: a switching unit;

The output end of the switch unit is connected to the input end of the processing module;

The input end of the switch unit is connected to the load;

The ground terminal of the switch unit is grounded;

The power supply terminal of the switch unit is connected to the voltage terminal.

In an optional implementation manner, the switching module further includes: a first resistor and a second resistor;

the first resistor is arranged between the power supply terminal of the switch unit and the ground terminal of the switch unit;

The second resistor is disposed between the input terminal of the switch unit and the output terminal of the switch unit.

In an optional implementation manner, the switching module is specifically used for:

After the load is connected, under the action of the load, the switch unit is turned on or off, and the electrical signal is correspondingly input to the processing module.

In an optional implementation manner, the input end of the processing module includes: a first interface;

The processing module is specifically used for:

The logical value corresponding to the electrical signal is obtained by parsing the first interface, the type of the load is determined according to the logical value, and a control signal matching the type of the load is output.

In an optional implementation manner, the input end of the processing module includes: a second interface;

The processing module is specifically used for:

The sampled voltage value of the electrical signal is obtained by sampling based on the second interface, the type of the load is determined according to the sampled voltage value, and a control signal matching the type of the load is output.

In a second aspect, another embodiment of the present application provides an unmanned aerial vehicle, including: the load control device according to any one of the first aspect.

In an optional embodiment, the at least one load includes a spraying device and/or a spreading device.

In a third aspect, another embodiment of the present application provides an unmanned aerial vehicle control system, including: the unmanned aerial vehicle and a control terminal according to any one of the second aspects;

the control terminal is in communication connection with the unmanned aerial vehicle;

The control terminal is used to send a control instruction to the UAV, and the control instruction is used to instruct to start the target load;

The unmanned aerial vehicle is used for connecting the input end of the switching module in the load control device with the target load according to the control instruction, and connecting the output end of the processing module in the load control device with the target load. Target load connection.

In a fourth aspect, another embodiment of the present application provides a load control method, which is applied to the load control device according to any one of the first aspect, and the method includes:

Receive the electrical signal formed after connecting the load;

According to the electrical signal, determine the type of the load;

A control signal matching the type of the load is output.

In an optional implementation manner, the determining the type of the load according to the electrical signal includes:

Analyzing the electrical signal to obtain a logical value corresponding to the electrical signal;

The type of the load is determined according to the logical value.

sampling the electrical signal to obtain a sampled voltage value of the electrical signal;

The type of the load is determined according to the sampled voltage value.

In a fifth aspect, another embodiment of the present application provides a load control device, including:

a receiving module, configured to receive the electrical signal formed after connecting the load;

a determining module, configured to determine the type of the load according to the electrical signal;

The output module is configured to output a control signal matching the type of the load.

In a sixth aspect, another embodiment of the present application provides an electronic device, including:

a processor, configured to execute the load control method described in any of the above embodiments;

memory for storing executable instructions for the processor.

In a seventh aspect, another embodiment of the present application provides a computer-readable storage medium, where the storage medium stores a computer program, and the computer program is used to execute the load control method described in any of the above embodiments.

The present application discloses a load control device, an unmanned aerial vehicle, an unmanned aerial vehicle control system and a load control method, which belong to the technical field of unmanned aerial vehicles. The load control device includes: a processing module and a switching module, the output end of the switching module and the processing The input end of the module is connected, the input end of the switching module is used to connect the load, the output end of the processing module is used to connect the load, the switching module is used to input the electrical signal corresponding to the load to the processing module after the load is connected, and the processing module is used for According to the electrical signal input by the switching module, the type of the load is determined, and a control signal matching the type of the load is output. According to the difference of the connected loads, the present application inputs electrical signals corresponding to the loads to the processing module, and the processing module can output control signals matching the type of loads according to the input electrical signals. Compared with the prior art, multiple load control devices are not required. Not only saves hardware costs, but also reduces maintenance complexity.

Brief Description of Drawings

In order to illustrate the technical solutions of the embodiments of the present application more clearly, the following drawings will briefly introduce the drawings that need to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, and therefore do not It should be regarded as a limitation of the scope, and for those of ordinary skill in the art, other related drawings can also be obtained according to these drawings without any creative effort.

FIG. 1 shows a schematic structural diagram of an existing unmanned aerial vehicle provided by an embodiment of the present application;

FIG. 2 shows a schematic structural diagram 1 of a load control device provided by an embodiment of the present application;

FIG. 3 shows a second schematic structural diagram of a load control device provided by an embodiment of the present application;

FIG. 4 shows a third structural schematic diagram of the load control device provided by the embodiment of the present application;

FIG. 5 shows a fourth schematic structural diagram of a load control device provided by an embodiment of the present application;

FIG. 6 shows a schematic structural diagram V of the load control device provided by the embodiment of the present application;

FIG. 7 shows a schematic structural diagram of an unmanned aerial vehicle provided by an embodiment of the present application;

FIG. 8 shows a schematic structural diagram of a UAV control system provided by an embodiment of the present application;

FIG. 9 shows a schematic flowchart of a load control method provided by an embodiment of the present application;

FIG. 10 shows a block diagram of a load control apparatus provided by an embodiment of the present application;

FIG. 11 shows a structural block diagram of an electronic device provided by an embodiment of the present application.

Reference number:

10-Load control device; 20-UAV; 30-UAV control system; 40-Control terminal.

100-processing module; 200-switching module; 300-load; 210-switching unit; 220-first resistor; 230-second resistor; 110-first interface; 120-second interface.

MODES OF IMPLEMENTING THE INVENTION

In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments It is a part of the embodiments of the present application, but not all of the embodiments. The components of the embodiments of the present application generally described and illustrated in the drawings herein may be arranged and designed in a variety of different configurations.

Thus, the following detailed description of the embodiments of the application provided in the accompanying drawings is not intended to limit the scope of the application as claimed, but is merely representative of selected embodiments of the application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

It should be noted that like numerals and letters refer to like items in the following figures, so once an item is defined in one figure, it does not require further definition and explanation in subsequent figures.

In the description of the present application, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

In the description of this application, "connected" and/or "connected", if the connected and/or "connected" circuits, modules, units, etc. have electrical signals or data transmission between each other, it should be understood as "electrical" connection", "communication connection", etc.

With the rapid development of UAV technology, UAVs are widely used in more and more fields. In the field of vegetation protection, plant protection UAVs can be used in agricultural scenarios such as vegetation spraying and vegetation sowing. The user can send control instructions to the plant protection drone through the control terminal, and the plant protection drone can perform corresponding agricultural operations, such as spraying, sowing, etc., according to the received control instructions.

Of course, the control instruction may also carry execution parameters, and the execution parameters may include, for example, spraying interval, quantity of liquid sprayed each time, sowing interval, quantity of crop seeds sown each time, and the like.

FIG. 1 shows a schematic structural diagram of an existing UAV provided by an embodiment of the present application. As shown in FIG. 1 , the existing UAV includes a plurality of electronic speed governors and a Load, among which, a plurality of electronic governors are respectively recorded as electronic governor 1, electronic governor 2...electronic governor n, and the loads matched with each electronic governor are respectively recorded as load 1, load 2 ...load n.

Among them, the electronic governor is referred to as the ESC, which is used to adjust the speed of the motor. Usually, according to the difference of the motor, the electronic governor can be divided into a brush ESC and a brushless ESC.

The loads matched with each electronic governor may include spraying devices, sowing devices, etc., wherein the spraying device includes a spraying motor, and under the action of the spraying motor, it is used to spray liquid to the area where the crops are located, and the liquid may include, for example, pesticides , herbicides, etc., the sowing device includes a sowing motor, and the sowing circuit is used to sow crop seeds to the designated area under the action of the sowing motor.

It can be seen that the existing UAV needs to use multiple electronic governors, resulting in high hardware cost of the UAV and high maintenance complexity.

Based on this, the present application provides a load control device, which can input an electrical signal corresponding to the load to the processing module according to the difference of the connected load, and the processing module can output the control signal matching the load type according to the input electrical signal, which not only saves energy Hardware costs are reduced and maintenance complexity is reduced.

The content disclosed in the present application will be described in detail below with reference to several specific embodiments.

FIG. 2 shows a schematic structural diagram 1 of a load control apparatus provided by an embodiment of the present application. As shown in FIG. 2 , the load control apparatus 10 includes: a processing module 100 and a switching module 200 , an output terminal OUT of the switching module 200 and the processing module 100 The input terminal IN of the switching module 200 is connected to the load 300 , the output terminal OUT of the processing module 100 is used to connect the load 300 , and the switching module 200 is used to input the load 300 to the processing module 100 after the load 300 is connected. 300 corresponds to the electrical signal, the processing module 100 is configured to determine the type of the load 300 according to the electrical signal input by the switching module 200 , and output a control signal matching the type of the load 300 .

The load control device 10 may be an electronic governor.

Wherein, the load 300 may include a spraying device and a spreading device, and the spraying device may include a spraying motor. Under the action of the spraying motor, it is used to spray liquid to the area where the crops are located. For example, the liquid may include pesticides, herbicides, etc. The sowing motor and the sowing circuit are used to sow the seeds of crops to the designated area under the action of the sowing motor.

Of course, the above is only taken as an example that the load 300 includes a spraying device and a sowing device. In practical applications, the load 300 includes but is not limited to the above two types.

The input terminal IN of the switching module 200 is used to connect to the load 300 , the output terminal OUT of the switching module 200 is connected to the input terminal IN of the processing module 100 , and the switching module 200 is used to input the processing module 100 corresponding to the load 300 after the load 300 is connected. Electrical signals, that is, when different types of loads 300 are connected, the switching module 200 can output electrical signals of different sizes, so that the switching module 200 can input electrical signals corresponding to the loads 300 to the processing module 100 .

It should be noted that the connected load 300 can be determined according to the received control command, that is, the user can remotely operate the control terminal to send a control command to the load control device 10, and the load control device 10 can The control instruction enables the switching module 200 to access the corresponding load 300 , wherein the control instruction may include the type of the load 300 .

The processing module 100 may be an electronic speed governor, the output terminal OUT of the processing module 100 is used to connect to the load 300 , the input terminal IN of the processing module 100 is connected to the output terminal OUT of the switching module 200 , and after the switching module 200 is connected to the load 300 , Input the electrical signal corresponding to the load 300 to the processing module 100, the processing module 100 can determine the type of the load 300 connected to the switching module 200 according to the electrical signal, and output a control signal matching the type of the load 300 to control the load 300 performs corresponding operations, that is, different types of loads 300 may correspond to an electrical signal range, for example, the electrical signal range [0V, 0.5V] corresponds to load 1, and the electrical signal range [3.0V, 3.3V] corresponds to load 2 , then the processing module 100 can determine the type of the load 300 according to the electrical signal input by the switching module 200 . Device matching control signal to control the spray device to spray the liquid to the area where the crops are located.

In the load control device, the processing module and the switching module in this embodiment, the output terminal of the switching module is connected to the input terminal of the processing module, the input terminal of the switching module is used to connect the load, the output terminal of the processing module is used to connect the load, and the switching module uses After the load is connected, an electrical signal corresponding to the load is input to the processing module, and the processing module is used for determining the type of the load according to the electrical signal input by the switching module, and outputting a control signal matching the type of the load. In this embodiment, an electrical signal corresponding to the load is input to the processing module according to the difference of the connected loads, and the processing module can output a control signal matching the type of the load according to the input electrical signal. Compared with the prior art, multiple load control devices are not required. , which not only saves hardware costs, but also reduces maintenance complexity.

On the basis of the embodiment of FIG. 2 , FIG. 3 shows a second schematic structural diagram of the load control apparatus provided by the embodiment of the present application. As shown in FIG. 3 , the switching module 200 includes: a switch unit 210 , and an output end OUT of the switch unit 210 It is connected to the input terminal IN of the processing module 100 , the input terminal IN of the switch unit 210 is connected to the load 300 , the ground terminal G of the switch unit 210 is grounded, and the power supply terminal V of the switch unit 210 is connected to the voltage terminal.

The input terminal IN of the switching module 200 is the input terminal IN of the switching unit 210 , and the output terminal OUT of the switching module 200 is the output terminal OUT of the switching unit 210 .

The input terminal IN of the switch unit 210 is connected to the load 300, the ground terminal G of the switch unit 210 is grounded, and the power supply terminal V of the switch unit 210 is connected to the voltage terminal. In this way, when the switch unit 210 is connected to different loads 300, different outputs can be output. The output terminal OUT of the switch unit 210 is connected to the input terminal IN of the processing module 100, the output terminal OUT of the switch unit 210 can output an electrical signal corresponding to the load 300, and the processing module 100 can Determine the type of the load 300, and then output a control signal matching the type of the load 300. Through this design, only one load control device 10 can control different types of loads 300, which not only saves hardware costs, but also reduces maintenance complexity. sex.

In an optional implementation manner, the switching module 200 is specifically configured to:

After the load 300 is connected, under the action of the load 300 , the switch unit 210 is turned on or off, and an electrical signal is input to the processing module 100 accordingly.

That is to say, when the input terminal IN of the switch unit 210 is connected to different loads 300 , the switch unit 210 can be automatically turned on or off under the action of the load 300 . IN is connected, the input terminal IN of the switch unit 210 is connected to the load 300, the ground terminal G of the switch unit 210 is grounded, and the power supply terminal V of the switch unit 210 is connected to the voltage terminal V, then when the switch unit 210 is turned on or off, different outputs can be output. electrical signal.

Referring to FIG. 3 , taking the load 300 including a spraying device and a spreading device, and the power supply terminal V of the switch unit 210 being connected to the voltage terminal of 3.3V as an example, the voltage detection point is denoted as P, if the spraying device is connected, the switch unit 210 can be turned off, Then the voltage of the voltage detection point P may be 3.3V. Correspondingly, the output terminal OUT of the switch unit 210 may be at a voltage of 3.3V, and the input terminal IN of the processing module 100 may be at a voltage of 3.3V. The electrical signal range determines the type of the load 300 corresponding to the input 3.3V, and outputs a control signal matching the type of the load 300, that is, the control signal corresponding to the spraying device is output.

Similarly, if the sowing device is connected, the switch unit 210 can be turned on, then the voltage of the voltage detection point P can be 0V. Correspondingly, the output terminal OUT of the switch unit 210 can be the voltage of 0V, and the input terminal IN of the processing module 100 has a voltage of 0V. If the voltage is 0V, then the processing module 100 can determine the type of the load 300 corresponding to the input 0V according to the preset electrical signal range, and output a control signal matching the type of the load 300, that is, output the control signal corresponding to the spreading device .

In the load control device of this embodiment, the switch module includes: a switch unit, the output end of the switch unit is connected to the input end of the processing module, the input end of the switch unit is connected to the load, the ground end of the switch unit is grounded, and the power supply end of the switch unit is connected to the voltage terminal. In this embodiment, different electrical signals are input to the processing module through the switching of the switch unit, so that the processing module can output a control signal matching the load type according to the input electrical signal. Compared with the prior art, multiple load control devices are not required. , which not only saves hardware costs, but also reduces maintenance complexity.

On the basis of the embodiment of FIG. 3 , FIG. 4 shows a third schematic structural diagram of the load control apparatus provided by the embodiment of the present application. As shown in FIG. 4 , the switching module 200 further includes: a first resistor 220 and a second resistor 230 , The first resistor 220 is arranged between the power supply terminal V of the switch unit 210 and the ground terminal G of the switch unit 210 , and the second resistor 230 is arranged between the input terminal IN of the switch unit 210 and the output terminal OUT of the switch unit 210 .

That is to say, one end of the first resistor 220 is connected to the ground terminal G of the switch unit 210 , the other end of the first resistor is connected to the power supply terminal V of the switch unit 210 , and one end of the second resistor 230 is connected to the input terminal IN of the switch unit 210 connected, the other end of the second resistor 230 is connected to the output end OUT of the switch unit 210 .

When different loads 300 are connected, the switch unit 210 can be turned on or off. In this way, the voltage values of the voltage detection points shown in FIG. 3 are different. Correspondingly, the electrical signals at the input terminal IN of the processing module 100 are also different. The voltage of the voltage detection point may fluctuate, for example, fluctuate between 0V-1V, causing the electrical signal of the input terminal IN of the processing module 100 to fluctuate, then the input terminal IN of the switching unit 210 and the output terminal OUT of the switching unit 210 can be set The second resistor 230 , the second resistor 230 plays the role of current limiting and filtering, so as to reduce the fluctuation of the electrical signal at the input terminal IN of the processing module 100 .

The first resistor 220 may be a pull-up resistor, which functions as a current limiting and protection circuit.

As an example, the resistance value of the first resistor 220 may be 1 ohm, and the resistance value of the second resistor 230 may be 10 kiloohms. In practical applications, the specific resistance values of the first resistor 220 and the second resistor 230 may be based on The actual situation is selected, which is not particularly limited in this embodiment.

In the load control device of this embodiment, the switching module further includes: a first resistor and a second resistor, the first resistor is arranged between the power supply end of the switch unit and the ground end of the switch unit, and the second resistor is arranged at the input end of the switch unit and the output of the switching unit. Not only can reduce voltage fluctuations, but also play a role in protecting the circuit.

Based on the embodiment of FIG. 4 , FIG. 5 shows a fourth schematic structural diagram of the load control apparatus provided by the embodiment of the present application. As shown in FIG. 5 , the input terminal IN of the processing module 100 includes: a first interface 110 .

The processing module 100 is specifically used for:

The logic value corresponding to the electrical signal is obtained by parsing the first interface 110 , the type of the load 300 is determined according to the logic value, and a control signal matching the type of the load 300 is output.

The logic value corresponding to the electrical signal may be 0 or 1, that is, when different types of loads 300 are connected, the switch unit 210 may be turned on or off to output the electrical signal corresponding to the load 300, and the processing module 100 may Based on the first interface 110, a logic value corresponding to the electrical signal is obtained by analysis, the type of the load 300 is determined according to the logic value obtained by analysis, and a control signal matching the type of the load 300 is output.

It should be noted that, if the load 300 includes two types, the processing module 100 can preset the corresponding relationship between the type of the load 300 and its corresponding logic value. The corresponding logic value is set to 0, then when the load 300 is connected, the switch unit 210 transmits the electrical signal corresponding to the load 300 to the processing module 100 , and the processing module 100 can obtain the logic corresponding to the electrical signal based on the analysis of the first interface 110 value, and determine the type of the load 300 according to the preset correspondence between the type of the load 300 and its corresponding logical value, and then output a control signal matching the type of the load 300 .

Optionally, the processing module 100 may include, for example, a microcontroller unit (Microcontroller Unit, MCU).

Referring to FIG. 3 , the load 300 includes a spraying device and a sowing device, the power supply terminal V of the switch unit 210 is connected to the voltage terminal of 3.3V, the logic value corresponding to the spraying device is set to 1, and the logic value corresponding to the sowing device is set to 0. For example, the voltage detection point is denoted as P. If the spraying device is connected, the switch unit 210 can be automatically turned off, then the voltage of the voltage detection point P can be 3.3V, the switch unit 210 outputs a 3.3V voltage, and the output terminals OUT of the switch unit 210 and The input end of the MCU is connected, and the input end of the MCU includes: a first interface (GPIO_Input) 110, then the MCU can parse the first interface 110 to obtain the logic value corresponding to the electrical signal 1, and determine the type of the load 300 according to the logic value as spraying device, and output the control signal matched with the spray device.

Similarly, if the sowing device is connected, the switch unit 210 can be automatically turned on, then the voltage of the voltage detection point P can be 0V. Correspondingly, the output terminal OUT of the switch unit 210 can be the voltage of 0V, then the MCU can be based on the first interface. 110 can analyze and obtain the logical value corresponding to the electrical signal as 0, determine the type of the load 300 as a sowing device according to the logical value, and output a control signal matching the sowing device.

It should be noted that, the first interface 110 of the processing module 100 can parse the electrical signal output by the switch unit 210 into a corresponding logical value according to the analysis rule of the preset electrical signal range and logical value. For the parsing rule of the logical value, reference may be made to the relevant description in the prior art, and details are not repeated here.

In the load control device of the present embodiment, the input end of the processing module includes: a first interface, and the processing module is specifically configured to: analyze and obtain a logic value corresponding to the electrical signal based on the first interface, determine the type of the load according to the logic value, and output the type of the load corresponding to the load. The type matches the control signal. In this embodiment, according to the difference of the connected loads, a logic value corresponding to the load is input to the processing module, and the processing module can determine the type of the load by the logic value, and output a control signal matching the type of the load. Compared with the prior art, Eliminating the need for multiple load control devices not only saves hardware costs, but also reduces maintenance complexity.

On the basis of the embodiment of FIG. 4 , FIG. 6 shows a fifth structural diagram of the load control apparatus provided by the embodiment of the present application. As shown in FIG. 6 , the input end of the processing module 100 includes: a second interface 120 .

The processing module 100 is specifically configured to: obtain a sampled voltage value of the electrical signal based on the sampling of the second interface 120 , determine the type of the load 300 according to the sampled voltage value, and output a control signal matching the type of the load 300 .

Wherein, the second interface 120 of the processing module 100 may be an interface with a sampling function of an analog-to-digital converter (Analog-to-digital converter, ADC), and when different types of loads 300 are connected, the switch unit 210 can be turned on or off , in order to output the electrical signal corresponding to the load 300, the processing module 100 can obtain the sampled voltage value of the electrical signal based on the sampling of the second interface 120, determine the type of the load 300 according to the sampled voltage value, and output a control matching the type of the load 300 Signal.

It should be noted that the processing module 100 can preset the correspondence between the type of the load 300 and its corresponding sampling voltage value. Referring to FIG. 3 , for example, the sampling voltage value corresponding to the spraying device is set to 3.3V, and the logic corresponding to the spreading device is set to 3.3V. The value is set to 0. Of course, in order to prevent the influence of the circuit and to distinguish more accurately, the sampling voltage value corresponding to the spraying device can also be set to a voltage range, for example, the sampling voltage value range corresponding to the spraying device can be set to [3.0V, 3.3V], the sampling voltage range corresponding to the sowing device is set to [0, 0.3V], in this way, when the load 300 is connected, the switch unit 210 transmits the electrical signal corresponding to the load 300 to the processing module 100, and the processing module 100 can obtain the sampled voltage value of the electrical signal based on the sampling of the second interface 120, and determine the type of the load 300 according to the preset correspondence between the type of the load 300 and its corresponding sampled voltage value, and output the output that matches the type of the load 300. control signal.

In the load control device of this embodiment, the input end of the processing module includes: a second interface, and the processing module is specifically configured to: obtain a sampled voltage value of the electrical signal based on sampling from the second interface, determine the type of the load according to the sampled voltage value, and output a The type of load matches the control signal. In this embodiment, according to different connected loads, an electrical signal corresponding to the load is input to the processing module, and the processing module obtains a sampled voltage value of the electrical signal based on sampling from the second interface, determines the type of the load according to the sampled voltage value, and outputs a signal corresponding to the load. Compared with the prior art, there is no need for multiple load control devices, which not only saves the hardware cost, but also reduces the maintenance complexity.

Based on the load control device provided by the above embodiment, the embodiment of the present application also provides an unmanned aerial vehicle. Referring to FIG. 7 , FIG. 7 shows a schematic structural diagram of the unmanned aerial vehicle provided by the embodiment of the present application. The unmanned aerial vehicle 20 includes The load control device 10 and at least one load 300 are provided in the above embodiments.

In an alternative embodiment, at least one load 300 includes a spraying device and/or a spreading device.

In this embodiment, when the drone 20 is connected to different loads 300, the load control device 10 can output a control signal matching the type of the load 300, so as to control the load 300 to perform corresponding agricultural operations, such as spraying, sow etc.

Based on the load control device provided by the above embodiment, the embodiment of the present application also provides a control system for an unmanned aerial vehicle. Referring to FIG. 8, FIG. 8 shows a schematic structural diagram of the control system for an unmanned aerial vehicle provided by the embodiment of the present application. The man-machine control system 30 includes the unmanned aerial vehicle 20 and the control terminal 40 provided in the above-mentioned embodiment, the control terminal 40 is connected to the unmanned aerial vehicle 20 in communication, and the control terminal 40 is used to send a control instruction to the unmanned aerial vehicle 20, and the control instruction is used to indicate Start the target load, the drone 20 is used to connect the input terminal IN of the switching module 200 in the load control device 10 to the target load according to the control instruction, and connect the output terminal OUT of the processing module 100 in the load control device 10 to the target load load connection.

The target load may be spraying or spreading, that is to say, when the drone 20 does not receive the control command from the control terminal 40, the drone 20 may not be connected to the load. The target load can be started, and the output terminal OUT of the processing module 100 in the load control device 10 in the UAV 20 can be connected to the target load, so that the target load can perform corresponding agricultural operations, such as spraying, sowing etc. In this way, the control terminal 40 can be used to control the drone 20 to perform corresponding agricultural operations.

Based on the load control device provided by the above embodiment, the embodiment of the present application further provides a load control method. FIG. 9 shows a schematic flowchart of the load control method provided by the embodiment of the present application. As shown in FIG. 9 , the method may include:

S101. Receive an electrical signal formed after connecting a load.

S102. Determine the type of the load according to the electrical signal.

S103. Output a control signal matching the type of the load.

The execution body of this embodiment may be the load control device in the above-mentioned embodiments. The user can send a control command to the load control device through the control terminal, and the load control device can change the switching module in the load control device according to the received control command. The input end is connected to the load, and the output end of the processing module in the load control device is connected to the load, wherein the control command is used to instruct the start of the load, and then according to the electrical signal output by the switching module in the load control device after the load is connected, it can be determined The type of the load, and then the processing module in the load control device outputs a control signal matching the type of the load, so that the target load performs the corresponding agricultural operation.

It should be noted that the load control device may preset a corresponding relationship between the electrical signal and the type of the load, and upon receiving the electrical signal, may determine the type of the load corresponding to the electrical signal according to the corresponding relationship.

In an optional embodiment, the type of the load is determined according to the electrical signal, including:

Analyze the electrical signal to obtain the logical value corresponding to the electrical signal;

Determines the type of load based on a logical value.

Among them, the processing module in the load control device can analyze the electrical signal output by the switching module to obtain the logic value corresponding to the electrical signal, the logic value is 0 or 1, and then according to the preset load type and its corresponding logic The corresponding relationship between the values can determine the type of load corresponding to the logical value.

Sampling the electrical signal to obtain the sampled voltage value of the electrical signal;

Determine the type of load according to the sampled voltage value.

The processing module in the load control device can sample the electrical signal output by the switching module to obtain the sampled voltage value of the electrical signal, and then can determine the corresponding relationship between the preset load type and its corresponding sampled voltage value. The type of load corresponding to the sampled voltage value.

For the implementation process and implementation principle of the load control method in this embodiment, reference may be made to the relevant description of the load control apparatus in the foregoing embodiment, and details are not repeated here.

FIG. 10 shows a block diagram of a load control apparatus provided by an embodiment of the present application. As shown in FIG. 10 , the load control apparatus 1000 includes:

The receiving module 1010 is configured to receive the electrical signal formed after connecting the load;

A determination module 1020, configured to determine the type of the load according to the electrical signal;

The output module 1030 is configured to output a control signal matching the type of the load.

In some optional embodiments, the determining module 1020 is further configured to: analyze the electrical signal to obtain a logic value corresponding to the electrical signal; and determine the type of the load according to the logic value.

In some optional embodiments, the determining module 1020 is further configured to: sample the electrical signal to obtain a sampled voltage value of the electrical signal; and determine the type of the load according to the sampled voltage value.

The embodiments of the load control apparatus of the present application can be used to execute the embodiments of the load control method of the present application. For details not disclosed in the embodiments of the load control device of the present application, please refer to the embodiments of the load control method of the present application.

FIG. 11 shows a structural block diagram of an electronic device provided by an embodiment of the present application. As shown in FIG. 11 , the electronic device 1100 includes one or more processors 1110 and a memory 1120 .

Processor 1110 may be a central processing unit (CPU) or other form of processing unit having data processing capabilities and/or instruction execution capabilities, and may control other components in electronic device 1100 to perform desired functions.

The processor 1110 is configured to execute the load control method described in any of the above embodiments.

Memory 1120 may include one or more computer program products, which may include various forms of computer-readable storage media, such as volatile memory and/or non-volatile memory. The volatile memory may include, for example, random access memory (RAM) and/or cache memory, or the like. The non-volatile memory may include, for example, read only memory (ROM), hard disk, flash memory, and the like. One or more computer program instructions may be stored on the computer-readable storage medium, and the processor 1110 may execute the program instructions, so as to implement the load control method of the various embodiments of the present application described above and/or other desired function. Various contents such as electrical signals can also be stored in the computer-readable storage medium.

In one example, the electronic device 1100 may also include an input device 1130 and an output device 1140 interconnected by a bus system and/or other form of connection mechanism (not shown).

For example, the input device 1130 may be the above-mentioned microphone or microphone array for capturing the input signal of the sound source. When the electronic device is a stand-alone device, the input device 1130 may be a communication network connector.

In addition, the input device 1130 may also include, for example, a keyboard, a mouse, and the like.

The output device 1140 can output various information to the outside, and the output device 1140 can include, for example, a display, a speaker, a printer, a communication network and a remote output device connected thereto, and the like.

Of course, for simplicity, only some of the components in the electronic device 1100 related to the present application are shown in FIG. 11 , and components such as buses, input/output interfaces, and the like are omitted. Besides, the electronic device 1100 may also include any other appropriate components according to the specific application.

In addition to the above methods and apparatuses, the embodiments of the present application may also be computer program products, which include computer program instructions that, when executed by a processor, cause the processor to execute the above-described various embodiments of the present application. Steps in a load control method.

The computer program product can write program codes for performing the operations of the embodiments of the present application in any combination of one or more programming languages, including object-oriented programming languages, such as Java, C++, etc. , also includes conventional procedural programming languages, such as "C" language or similar programming languages. The program code may execute entirely on the user's computing device, partly on the user's device, as a stand-alone software package, partly on the user's computing device and partly on a remote computing device, or entirely on the remote computing device or server execute on.

Embodiments of the present application further provide a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and the computer program executes the foregoing load control method when the computer program is run by the load control apparatus.

The computer-readable storage medium may employ any combination of one or more readable media. The readable medium may be a readable signal medium or a readable storage medium. The readable storage medium may include, for example, but not limited to, electrical, magnetic, optical, electromagnetic, infrared, or semiconductor systems, apparatuses or devices, or a combination of any of the above. More specific examples (non-exhaustive list) of readable storage media include: electrical connections with one or more wires, portable disks, hard disks, random access memory (RAM), read only memory (ROM), erasable programmable read only memory (EPROM or flash memory), optical fiber, portable compact disk read only memory (CD-ROM), optical storage devices, magnetic storage devices, or any suitable combination of the foregoing.

The foregoing description has been presented for the purposes of illustration and description. Furthermore, this description is not intended to limit the embodiments of the application to the forms disclosed herein. Although a number of example aspects and embodiments have been discussed above, those skilled in the art will recognize certain variations, modifications, changes, additions and sub-combinations thereof.

The above descriptions are only preferred embodiments of the present application, and are not intended to limit the present application. For those skilled in the art, the present application may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of this application shall be included within the protection scope of this application.

Claims

A load control device, comprising: a processing module and a switching module;

The output end of the switching module is connected with the input end of the processing module;

The input end of the switching module is used to connect the load;

The output end of the processing module is used to connect the load;

The switching module is configured to input an electrical signal corresponding to the load to the processing module after the load is connected;

The processing module is configured to determine the type of the load according to the electrical signal input by the switching module, and output a control signal matching the type of the load.
The load control device according to claim 1, wherein the switching module comprises: a switching unit;

The output end of the switch unit is connected to the input end of the processing module;

The input end of the switch unit is connected to the load;

The ground terminal of the switch unit is grounded;

The power supply terminal of the switch unit is connected to the voltage terminal.
The load control device according to claim 2, wherein the switching module further comprises: a first resistor and a second resistor;

the first resistor is arranged between the power supply terminal of the switch unit and the ground terminal of the switch unit;

The second resistor is disposed between the input terminal of the switch unit and the output terminal of the switch unit.
The load control device according to claim 2 or 3, wherein the switching module is specifically used for:

After the load is connected, under the action of the load, the switch unit is turned on or off, and the electrical signal is correspondingly input to the processing module.
The load control device according to any one of claims 1 to 4, wherein the input end of the processing module comprises: a first interface;

The processing module is specifically used for:

The logical value corresponding to the electrical signal is obtained by parsing the first interface, the type of the load is determined according to the logical value, and a control signal matching the type of the load is output.
The load control device according to any one of claims 1 to 4, wherein the input end of the processing module comprises: a second interface;

The processing module is specifically used for:

The sampled voltage value of the electrical signal is obtained by sampling based on the second interface, the type of the load is determined according to the sampled voltage value, and a control signal matching the type of the load is output.
An unmanned aerial vehicle, comprising: the load control device of any one of claims 1 to 6 and at least one load.
The drone of claim 7, wherein the at least one payload comprises: a spraying device and/or a spreading device.
An unmanned aerial vehicle control system, comprising: the unmanned aerial vehicle of claim 7 or 8 and a control terminal;

the control terminal is in communication connection with the unmanned aerial vehicle;

The control terminal is used to send a control instruction to the UAV, and the control instruction is used to instruct to start the target load;

The unmanned aerial vehicle is used for connecting the input end of the switching module in the load control device with the target load according to the control instruction, and connecting the output end of the processing module in the load control device with the target load. Target load connection.
A load control method, characterized in that, applied to the load control device according to any one of claims 1 to 6, the method comprising:

Receive the electrical signal formed after connecting the load;

According to the electrical signal, determine the type of the load;

A control signal matching the type of the load is output.
The load control method according to claim 10, wherein the determining the type of the load according to the electrical signal comprises:

Analyzing the electrical signal to obtain a logical value corresponding to the electrical signal;

The type of the load is determined according to the logical value.
The load control method according to claim 10, wherein the determining the type of the load according to the electrical signal comprises:

sampling the electrical signal to obtain a sampled voltage value of the electrical signal;

The type of the load is determined according to the sampled voltage value.
A load control device, characterized in that it includes:

a receiving module, configured to receive the electrical signal formed after connecting the load;

a determining module, configured to determine the type of the load according to the electrical signal;

The output module is configured to output a control signal matching the type of the load.
An electronic device, comprising:

a processor for executing the load control method according to any one of claims 10 to 12;

memory for storing executable instructions for the processor.
A computer-readable storage medium storing a computer program for executing the load control method according to any one of claims 10 to 12 above.