Abrégé

Provided is a control method for an agricultural plant protection unmanned aerial vehicle. The control method comprises: acquiring operation information of an agricultural plant protection unmanned aerial vehicle (S210); acquiring pesticide information of pesticide required for an operation of the agricultural plant protection unmanned aerial vehicle (S220); and matching the operation information with the pesticide information, and feeding back the operation of the agricultural plant protection unmanned aerial vehicle according to a matching situation (S230), such that a user adjusts the control over the agricultural plant protection unmanned aerial vehicle in a timely manner after obtaining the feedback. Further provided are an agricultural plant protection unmanned aerial vehicle and a computer-readable storage medium.

Classes IPC  ?

• G05D 1/00 - Commande de la position, du cap, de l'altitude ou de l'attitude des véhicules terrestres, aquatiques, aériens ou spatiaux, p. ex. utilisant des pilotes automatiques
• B64D 1/18 - Largage en vol d'une matière poudreuse, liquide ou gazeuse, p. ex. pour la lutte contre l'incendie par pulvérisation, p. ex. d'insecticides

Abrégé

An information transmission method, a storage medium, an information transmission system and an unmanned aerial vehicle, which relate to the technical field of unmanned aerial vehicles. The information transmission method comprises: an external device and an unmanned aerial vehicle both pre-storing fixed feature information of the unmanned aerial vehicle; one party of the external device and the unmanned aerial vehicle encrypting command information according to the fixed feature information of the unmanned aerial vehicle and dynamic feature information of the unmanned aerial vehicle, obtaining a cipher text in a pre-set format, and sending the cipher text to the other party of the external device and the unmanned aerial vehicle; and the other party of the external device and the unmanned aerial vehicle receiving the cipher text, and decrypting and verifying the cipher text by means of the fixed feature information of the unmanned aerial vehicle and the dynamic feature information of the unmanned aerial vehicle so as to execute an operation corresponding to the command information. The security and accuracy of information transmission between an unmanned aerial vehicle and an external device can be improved.

Classes IPC  ?

• H04L 9/12 - Dispositifs de chiffrement d'émission et de réception synchronisés ou initialisés d'une manière particulière
• G08G 5/06 - Systèmes de commande du trafic aérien pour la commande lorsque l'appareil est au sol

Abrégé

An agricultural plant protection unmanned aerial vehicle and a control method therefor, and a computer-readable storage medium. The method comprises: acquiring operation information of an agricultural plant protection unmanned aerial vehicle (S110); acquiring pesticide information of pesticide required for an operation of the agricultural plant protection unmanned aerial vehicle (S120); and determining, according to the operation information and the pesticide information, a total amount of pesticide actually used for completing the operation of the agricultural plant protection unmanned aerial vehicle (S130).

Classes IPC  ?

• G05D 1/10 - Commande de la position ou du cap dans les trois dimensions simultanément

Abrégé

An unmanned aerial vehicle and a firmware upgrade method thereof, belonging to the technical field of unmanned aerial vehicles. The firmware upgrade method comprises: obtaining first rollback prevention version information of the current firmware and second rollback prevention version information of firmware to be updated (S110); determining whether said firmware is upgradable firmware according to the first rollback prevention version information and the second rollback prevention version information (S120); and if said firmware is the upgradable firmware, installing said firmware (S130). According to the method, on the one hand, the problem in the prior art that the security performance of the unmanned aerial vehicle is reduced because a wrong firmware version is upgraded due to the direct installation without version detection is solved, and the security performance of the unmanned aerial vehicle is ensured; and on the other hand, the time consuming problem caused by needing to install said firmware again because of installing the wrong version, and the upgrade efficiency of the firmware is improved.

Classes IPC  ?

• G06F 21/57 - Certification ou préservation de plates-formes informatiques fiables, p. ex. démarrages ou arrêts sécurisés, suivis de version, contrôles de logiciel système, mises à jour sécurisées ou évaluation de vulnérabilité

Abrégé

An agricultural plant protection unmanned aerial vehicle (100), comprising: a power device (101); a flight controller (102) electrically connected to the power device and used for controlling the power device to adjust the flight attitude; and a communication device (103) which is used for being in communication connection with a control terminal of the agricultural plant protection unmanned aerial vehicle, the communication device being electrically connected to the flight controller, wherein the flight controller controls a control mode of the power device, comprising a normal mode and a restricted mode, and in the restricted mode, the flight controller determines whether to enter into a locked state according to job information of a user; the communication device sends to the flight controller a selection request instruction for the control mode sent by the control terminal; and the flight controller controls the power device to provide flight power according to the selected control mode. Also disclosed is a control method for the agricultural plant protection unmanned aerial vehicle. The present invention enables the manufacturer of the agricultural plant protection unmanned aerial vehicle to effectively manage and control usage rights of the unmanned aerial vehicle and reduce user purchase costs.

Classes IPC  ?

• G08G 5/00 - Systèmes de contrôle du trafic aérien

Abrégé

A method for controlling an agricultural unmanned aerial vehicle, a control terminal and a storage medium. The agricultural unmanned aerial vehicle is controlled by the control terminal. The control terminal provides a user interface. The user interface comprises operation icons for fine-tuning the heading of the agricultural unmanned aerial vehicle. The method comprises: acquiring heading fine-tuning information input by a user for an operation icon (S101); according to the heading fine-tuning information, determining heading fine-tuning parameters of the agricultural unmanned aerial vehicle (S102); controlling the heading of the agricultural unmanned aerial vehicle according to the heading fine-tuning parameters (S103).

Classes IPC  ?

• G05D 27/02 - Commande simultanée des variables entrant dans plusieurs des groupes principaux caractérisée par l'utilisation de moyens électriques
• G06F 3/0481 - Techniques d’interaction fondées sur les interfaces utilisateur graphiques [GUI] fondées sur des propriétés spécifiques de l’objet d’interaction affiché ou sur un environnement basé sur les métaphores, p. ex. interaction avec des éléments du bureau telles les fenêtres ou les icônes, ou avec l’aide d’un curseur changeant de comportement ou d’aspect

Abrégé

A motor (4) of a membrane pump (520) and an agricultural plant protection machine. The motor comprises: a motor body (41) comprising a motor rotor (411) and a motor stator (412); a motor base (42) provided with a pump body mounting surface (421), a motor mounting surface (422), and a mounting hole (423), the pump body mounting surface and the motor mounting surface being located at two opposite sides of the motor base; the mounting hole penetrating the motor mounting surface and the pump body mounting surface; a motor shaft (43) provided in the mounting hole, of which a connection end extends out of one end of the mounting hole, and a power output end extends out of the other end of the mounting hole; a protective cover (44) detachably connected to the motor mounting surface and forming an accommodating cavity together with the motor base; the connection end, the motor rotor, and the motor stator being accommodated in the accommodating cavity; a stationary sealing member (45) provided at the position where the protective cover is connected to the motor base; and a movable sealing member (46) accommodated in the mounting hole, of which one end abuts against the motor shaft, and the other end abuts against an inner side wall of the mounting hole.

Classes IPC  ?

• H02K 5/04 - Enveloppes ou enceintes caractérisées par leur configuration, leur forme ou leur construction
• H02K 5/10 - Enveloppes ou enceintes caractérisées par leur configuration, leur forme ou leur construction avec des dispositions empêchant l'introduction de corps étrangers, p. ex. de l'eau ou des doigts

Abrégé

A diaphragm pump of an agricultural plant protection machine and the agricultural plant protection machine. The diaphragm pump (520) comprises a pump body (1), a pump cover (8) covering the pump body (1), a diaphragm sheet (3) provided in the pump body (1), a driving mechanism (4) connected to the diaphragm sheet (3), and a diaphragm support (5). The diaphragm sheet (3) matches with the pump cover (8), so that the diaphragm sheet (3) and the pump cover (8) form a cavity. One end of the diaphragm support (5) is abutted against one side of the diaphragm sheet (3) distant from the pump cover (8), and the other end is connected to the driving structure (4). The contact area between the diaphragm support (5) and the side of the diaphragm sheet (3) distant from the pump cover (8) is greater than a preset area threshold. The driving mechanism (4) drives the diaphragm sheet (3) to reciprocate with respect to the pump cover (8), so that the cavity is decreased or increased. The diaphragm support (5) is provided, so that the diaphragm sheet (3) reciprocates in the same direction, the movement of the diaphragm sheet (3) in other directions is reduced, the stress condition of the diaphragm sheet (3) is improved, the service life of the diaphragm sheet (3) is prolonged, and the pesticide in the cavity can be completely discharged.

Classes IPC  ?

• F04B 43/04 - Pompes ayant un entraînement électrique

Abrégé

A cluster rendering method, device and system. The cluster rendering method comprises: a server acquiring first reference time information and a first rendering frame rate (S301), the first reference time information being used for providing the server with a reference time queue; the server executing a rendering task according to the first rendering frame rate, so as to obtain a first rendering timestamp and first rendering result data of each rendering (S302); according to the first reference time information and the first rendering timestamp, the server marking, for the first rendering result data of each rendering, a reference time corresponding to the first rendering timestamp, and outputting same to a data exchange device (S303); and the server transmitting the first rendering timestamp to a plurality of clients (S304). Marking, for the first rendering result data, the reference time corresponding to the first rendering timestamp reduces the data delay, and improves the real-time rendering effect of cluster rendering.

Classes IPC  ?

• G06T 15/00 - Rendu d'images tridimensionnelles [3D]

Abrégé

Disclosed are a diaphragm pump electric motor (100) and a diaphragm pump. The diaphragm pump electric motor (100) comprises a housing (10), a stator winding (40), a rotor assembly (50) and an electronic speed controller assembly (20). The housing (10) encloses an accommodation cavity (14), the housing (10) is provided with a through hole (1115), and the through hole (1115) is in communication with the accommodation cavity (14). The stator winding (40) is arranged inside the accommodation cavity (14). The rotor assembly (50) passes through the housing (10) and extends into the accommodation cavity (14), and the rotor assembly (50) passes through the stator winding (40). The electronic speed controller assembly (20) comprises a speed control unit (21), an electronic speed controller (25), a Hall sensor (22) and a pin (24), wherein the electronic speed controller (25), the Hall sensor (22) and the pin (24) are all arranged on the speed control unit (21); the speed control unit (21) is located in the accommodation cavity (14); and the pin (24) is exposed from the housing (10) via the through hole (1115).

Classes IPC  ?

• H02K 11/30 - Association structurelle à des circuits de commande ou à des circuits d’entraînement
• F04B 43/04 - Pompes ayant un entraînement électrique

Abrégé

Provided are a diaphragm pump (100) and an agricultural unmanned aerial vehicle (1000). The diaphragm pump (100) comprises a pump body mechanism (10), a one-way valve mechanism (20), a diaphragm mechanism (30) and an eccentric mechanism (50), wherein the one-way valve mechanism (20), the diaphragm mechanism (30) and the eccentric mechanism (50) are mounted on the pump body mechanism (10); the diaphragm mechanism (30) comprises a pump cover (31) and a diaphragm (32) connected to the pump cover; the one-way valve mechanism (20) comprises a one-way valve (21) and a valve cover (22), and the one-way valve (21) is mounted on the pump body mechanism (10) via the valve cover (22); the pump cover (31) is mounted on the pump body mechanism (10) and covers the diaphragm (32) and the valve cover (22), and the diaphragm (32) is detachably connected to the eccentric mechanism (50); the pump cover (31) and the diaphragm (32) jointly form a diaphragm cavity (310), and a flow channel (313) in communication with the diaphragm cavity (310) is formed at an inner side face of the pump cover (31); and a liquid flows into or out of the diaphragm cavity (310) through the flow channel (313).

Classes IPC  ?

• F04B 43/04 - Pompes ayant un entraînement électrique
• F04B 43/02 - "Machines", pompes ou installations de pompage ayant des organes de travail flexibles ayant des organes flexibles du genre plat, p. ex. des diaphragmes
• F04B 53/10 - ClapetsAgencement des clapets
• B64D 1/18 - Largage en vol d'une matière poudreuse, liquide ou gazeuse, p. ex. pour la lutte contre l'incendie par pulvérisation, p. ex. d'insecticides

Abrégé

A diaphragm pump (100) and an agricultural unmanned aerial vehicle (1000), wherein the diaphragm pump (100) comprises a pump body mechanism (10), a one-way valve mechanism (20), a diaphragm mechanism (30), a motor mechanism (40) and an eccentric mechanism (50). The one-way valve mechanism (20), the diaphragm mechanism (30), the motor mechanism (40) and the eccentric mechanism (50) are mounted in the pump body mechanism (10); the diaphragm mechanism (30) comprises a pump cap (31) and a diaphragm (32) which is connected to the pump cap; the one-way valve mechanism (20) comprises a one-way valve (21) and a valve cover (22), wherein the valve cover (22) allows the one-way valve (21) to be mounted in the pump body mechanism (10); the pump cap (31) is mounted in the pump body mechanism (10) and covers the diaphragm (32) and the valve cover (22).

Classes IPC  ?

• F04B 43/04 - Pompes ayant un entraînement électrique
• F04B 43/02 - "Machines", pompes ou installations de pompage ayant des organes de travail flexibles ayant des organes flexibles du genre plat, p. ex. des diaphragmes
• F04B 53/10 - ClapetsAgencement des clapets
• B64D 1/18 - Largage en vol d'une matière poudreuse, liquide ou gazeuse, p. ex. pour la lutte contre l'incendie par pulvérisation, p. ex. d'insecticides

Abrégé

A pump device (520) of an agricultural plant protection machine, and an agricultural plant protection machine. The pump device (520) comprises: a pump body (1) provided with a liquid inlet (11), a liquid outlet (12) and a pressure relief port (13), with the liquid inlet (11) being in communication with the liquid outlet (12) by means of a flow channel, and the pressure relief port (13) being in communication with the flow channel; and a pressure relief device (2) arranged at the pressure relief port (13), wherein the pressure relief device (2) comprises a valve (21) and an elastic reset member (22); the valve (21) is arranged corresponding to the pressure relief port (13) and is used for sealing the pressure relief port (13); the elastic reset member (22) is connected to the valve (21) and is used for providing an elastic restoring force to the valve (21); under the action of the elastic restoring force of the elastic reset member (22), the valve (21) can be driven to seal the pressure relief port (13); and when a hydraulic pressure in the pump body (1) exceeds a preset pressure threshold value, the valve (21) is separated from the pressure relief port (13) under the action of an ejecting force of a pesticide, and the pesticide flows out from the pressure relief port (13). By providing the pressure relief port (13) in the pump body (1) and adding the pressure relief device (2) that cooperates with the pressure relief port (13), overpressure protection of the pump device (520) is realized.

Classes IPC  ?

• F16K 17/00 - Soupapes ou clapets de sûretéSoupapes ou clapets d'équilibrage
• F04B 49/00 - Commande des "machines", pompes ou installations de pompage ou mesures de sécurité les concernant non prévues dans les groupes ou présentant un intérêt autre que celui visé par ces groupes
• B64C 27/00 - GiravionsRotors propres aux giravions

Abrégé

Disclosed are a diaphragm pump (520) and an agricultural plant protection machine having same. The diaphragm pump (520) comprises: a pump body (1) provided with a liquid inlet (11) and a liquid outlet (12); a pump cover (8) on the pump body (1); a diaphragm piece (3) inside the pump body (1); the diaphragm piece (3) is assembled on the pump cover (8) and encloses a cavity together with the pump cover (8), and the cavity is communicated with the liquid inlet (11) and the liquid outlet (12) respectively; a driving mechanism (4) connected with the diaphragm piece (3) for driving the diaphragm piece (3) to be close to or to be away from the pump cover (8) so that the cavity is reduced or enlarged; a first one-way valve (10) for controlling opening and closing of the liquid inlet (11); a second one-way valve (20) for controlling opening and closing of the liquid outlet (12); and a valve cover (9) configured for fixing the first one-way valve (10) and the second one-way valve (20); the valve cover (9) is detachably connected onto the pump body (1) so as to fix the first one-way valve (10) and the second one-way valve (10) to the pump body (1), and the valve cover (9) and the pump cover (8) are independently arranged. The valve cover (9) independent from the pump cover (8) is additionally arranged to avoid the risk of losing the one-way valve.

Classes IPC  ?

• F04B 43/04 - Pompes ayant un entraînement électrique
• F04B 53/10 - ClapetsAgencement des clapets

Abrégé

Disclosed are an onboard spraying system (500) for an agricultural plant protection machine, and an agricultural plant protection machine. The onboard spraying system (500) comprises a fixing rack (510), multiple pump devices (520) and multiple connectors (530), wherein the fixing rack is provided with multiple openings (511), with each opening comprising a first opening (5111) and a second opening (5112) in communication with the first opening (5111), and the aperture of the first opening (5111) being greater than the that of the second opening (5112); and each connector (530) has a connecting body (531) and a stopping portion (532), with the connecting body (531) being fixedly connected to a corresponding pump device (520), the stopping portion (532) being arranged on the connecting body (531), and the size of the stopping portion (532) being greater than the aperture of the second opening (5112) and less than or equal to the aperture of the first opening (5111), such that the stopping portion (532) can pass through the first opening (5111), but cannot pass through the second opening (5112). When the connector (530) fits with the opening (511), the stopping portion (532) can pass through the first opening (5111), and the connecting body (531) can slide into the second opening (5112) from the first opening (5111), such that the stopping portion (532) is stopped by the periphery of the second opening (5112).

Classes IPC  ?

• B64D 1/18 - Largage en vol d'une matière poudreuse, liquide ou gazeuse, p. ex. pour la lutte contre l'incendie par pulvérisation, p. ex. d'insecticides
• A01M 7/00 - Adaptations ou aménagements particuliers des appareils de pulvérisation de liquides aux fins couvertes dans la présente sous-classe

Abrégé

Disclosed are a diaphragm pump (100) and an agricultural unmanned aerial vehicle (1000). The diaphragm pump (100) comprises a pump body mechanism (10), a one-way valve mechanism (20) and a diaphragm mechanism (30), wherein the one-way valve mechanism (20) and the diaphragm mechanism (30) are mounted on the pump body mechanism (10); the diaphragm mechanism (30) comprises a pump cover (31) and a diaphragm (32) connected to the pump cover (31); the pump cover (31) is mounted on the pump body mechanism (10), and covers the diaphragm (32) and the one-way valve mechanism (20); the pump cover (31) is provided with a first cavity (311) and a single flow channel (313) in communication with the first cavity (311); the one-way valve mechanism (20) is provided with a valve cover cavity (221); the diaphragm (32) seals the first cavity (311) to form a diaphragm cavity (310); and the single flow channel (313) is in communication with the valve cover cavity (221) and the diaphragm cavity (310). The diaphragm cavity (310) is in communication with the one-way valve mechanism (20) by means of the single flow channel (313), so that the complexity and manufacturing cost of the diaphragm pump (100) can be reduced, while liquid flow resistance is reduced.

Classes IPC  ?

• F04B 43/04 - Pompes ayant un entraînement électrique
• B64D 1/18 - Largage en vol d'une matière poudreuse, liquide ou gazeuse, p. ex. pour la lutte contre l'incendie par pulvérisation, p. ex. d'insecticides
• F04B 53/10 - ClapetsAgencement des clapets
• F04B 53/22 - Dispositions pour l'assemblage ou le démontage rapide
• F04B 53/16 - Carcasses d'enveloppeCylindresChemises de cylindre ou culassesConnexions des tubulures pour fluide

Abrégé

A diaphragm pump (100) and an agricultural unmanned aerial vehicle (1000). The diaphragm pump (100) comprises a pump body mechanism (10), a diaphragm mechanism (30), a motor mechanism (40), and an eccentric mechanism (50). The diaphragm mechanism (30), the motor mechanism (40), and the eccentric mechanism (50) are installed on the pump body mechanism (10); the motor mechanism (40) comprises a motor (41); the diaphragm mechanism (30) comprises a diaphragm (32); the eccentric mechanism (50) comprises a support assembly (51) and an auxiliary part (52); the support assembly (51) comprises a support (511) and a driving part (512); the support (511) is connected to the diaphragm (32); the auxiliary part (52) is installed on the support (511); the driving part (512) is installed on a motor shaft (412) of the motor (41); the auxiliary part (52) is provided corresponding to the driving part (512) and adapted to be in contact with the driving part (512). When the motor (41) works, the motor shaft (412) of the motor (41) drives the driving part (512) to move, the driving part (512) abuts against the auxiliary part (52) in a reciprocating mode, the support (511) moves along with the auxiliary part (52), so that the support (511) drives the diaphragm (32) to move in a reciprocating mode. Therefore, the problem of abrasion of the eccentric mechanism (50) is solved by a method of adding the auxiliary part (52), when the diaphragm pump (100) operates, the auxiliary part (52) is abraded, while damage to the driving part (512) and the support (511) is eliminated or reduced, the service life of the diaphragm pump (100) is prolonged, and reliability of the diaphragm pump (100) is improved.

Classes IPC  ?

• F04B 43/04 - Pompes ayant un entraînement électrique
• B64D 1/18 - Largage en vol d'une matière poudreuse, liquide ou gazeuse, p. ex. pour la lutte contre l'incendie par pulvérisation, p. ex. d'insecticides

Abrégé

A method and device for presenting a real-time change of a flight height. The method comprises: obtaining a flight height of an unmanned aerial vehicle; selecting a figure to represent the projection of the unmanned aerial vehicle on the ground; computing the dimension of the figure according to the flight height, the dimension of the figure being the function of the flight height, and the dimension of the figure decreasing along with the increase of the flight height; and displaying the figure on a display unit. The present invention can enable a user to easily and intuitively see a real-time change of a flight height of an unmanned aerial vehicle, thereby improving user experience.

Classes IPC  ?

• G05D 1/10 - Commande de la position ou du cap dans les trois dimensions simultanément

Abrégé

A control method and apparatus for operation of a plant protection unmanned aerial vehicle. The control method comprises: obtaining coordinates of operation start boundary points A and B and coordinates of an operation end point E within an operation area of a plant protection unmanned aerial vehicle as well as a transverse operation distance (S101); generating an operation route according to the coordinates of points A, B, and E and the transverse operation distance (S201); controlling the plant protection unmanned aerial vehicle to operate along the operation route, and when the plant protection unmanned aerial vehicle arrives at point E, ending the operation (S301); and saving the coordinates of points A, B, and E, and when plant protection operation is performed in the same operation area again, reading the coordinates of points A, B, and E to generate the operation route, operating along the generated operation route, and when the operation proceeds to point E, ending the operation (S401). According to the control method and apparatus, the coordinates of points A, B, and C are prevented from being repeatedly set, so that the operation efficiency of plant protection operation is significantly improved.

Classes IPC  ?

• G05D 1/10 - Commande de la position ou du cap dans les trois dimensions simultanément

Abrégé

A control method for an autonomous work carrier, comprising: obtaining parameter values of control parameters, the control parameters comprising dosage per mu and work spacing; obtaining the correspondences between working parameters and the control parameters, the working parameters comprising a travel speed and a spray flow rate; obtaining parameter values of the working parameters, automatically adjusting the spray flow rate when the travel speed is adjusted, and automatically adjusting the travel speed when the spray flow rate is adjusted; and controlling, according to the parameter values of the working parameters, the autonomous work carrier to work.

Classes IPC  ?

• B64D 1/18 - Largage en vol d'une matière poudreuse, liquide ou gazeuse, p. ex. pour la lutte contre l'incendie par pulvérisation, p. ex. d'insecticides
• A01M 7/00 - Adaptations ou aménagements particuliers des appareils de pulvérisation de liquides aux fins couvertes dans la présente sous-classe

Abrégé

A method and apparatus for adjusting a working path, a method and device for adjusting a working path of a movable device, and a recording medium. In the method for adjusting a working path, the working path is formed by connecting multiple sub-paths end to end in a pre-determined direction at pre-set intervals. The method comprises: determination of a reference edge: determining any one edge serving as a boundary in a pre-determined working range as the reference edge; and adjustment of the working path: adjusting the pre-determined direction to be parallel to the reference edge and re-planning the working path within the working range by means of overall traversal.

Classes IPC  ?

• G05D 1/10 - Commande de la position ou du cap dans les trois dimensions simultanément