1149 results about "Operational safety" patented technology

The invention discloses a vehicle operation control system, method and equipment, a medium and a product. The system comprises an operation state determination subsystem used for determining predicted operation situation information associated with a vehicle; the operation constraint subsystem is used for determining vehicle operation constraint parameters based on the predicted operation situation information and determining a to-be-driven mode of the vehicle; the motion control subsystem is used for determining an actuator reference instruction based on the predicted operation situation information, the to-be-driven mode, the vehicle operation constraint parameters and the to-be-driven track; the control distribution subsystem is used for determining an actuator distribution instruction of a plurality of actuators in the vehicle based on the actuator reference instruction and the predicted operation situation information; and the coordination control subsystem is used for determining target actuator instructions of the plurality of actuators based on the to-be-driven mode and the actuator distribution instruction, and controlling the actuators to operate based on the target actuator instructions. The control consistency, the response real-time performance, the operation safety and the comfort of the whole vehicle in a complex dynamic scene are improved.

The invention relates to the technical field of mechanical arms, in particular to a man-machine interaction system of an intelligent mechanical arm with a body. The system decomposes a long time sequence task into sub-tasks through a large language model, and introduces a task acquisition module, a task queue management module, a task re-planning module and a control execution module, uses visual detection to identify gestures and environment events to trigger temporary tasks, and maintains interruptible marks and safety anchor points based on priorities and interruption risks. And during interruption, the mechanical arm with the timestamp and the environment state are collected, during recovery, the states are compared, local re-planning is carried out, transition sub-tasks are automatically generated for failure sub-tasks, and the mechanical arm is controlled to execute after constraint verification. According to the system, on the premise that the structure consistency, the space consistency and the time consistency are guaranteed, safe interruption and efficient recovery in a long-time-sequence task can be achieved, and the autonomy, the real-time performance and the operation safety of the mechanical arm in a man-machine cooperation scene are remarkably improved.

The invention relates to the technical field of low-altitude aircraft chip safety monitoring, and discloses a low-altitude aircraft chip safety monitoring system which comprises a state acquisition module, a risk assessment module, an anomaly detection module, a strategy generation module, an instruction execution module, an effect verification module, a threshold setting module, a data output module, a feedback optimization module and a system regulation module. The state acquisition module analyzes the operation parameters and the environment interference to obtain a state value; the risk assessment module extracts and screens abnormal protection feature combinations; the anomaly detection module combines a sample variation matching feature with an evaluation combination; the strategy generation module maps a feature strategy based on real-time data and sets a rule; the instruction execution module captures feature data and analyzes a trend; the effect verification module adjusts rules according to errors; the threshold setting module determines a monitoring threshold interval; the data output module generates standardized data; the system realizes comprehensive monitoring of the chip state through cooperation of multiple modules, and the operation safety and stability are improved.

The utility model belongs to the technical field of carbon molecular sieve production equipment, and discloses a flower mud material crushing conveyor line which comprises crushing equipment, a bottom belt conveyor, an inclined lifting belt conveyor and a vibrating screen, a sunken main pit is formed in the workshop ground of a flower mud crushing station, the crushing equipment is installed in the main pit, and the inclined lifting belt conveyor is installed in the main pit. A feeding hopper of the crushing equipment is removed towards the outer side wall, and the bottom of the feeding hopper is connected through a horizontal steel plate, extends and is connected to the workshop ground in a lap joint mode. The bottom belt conveyor is horizontally connected below a discharge port of the crushing equipment, the bottom end of the inclined lifting belt conveyor is connected at the discharge end of the bottom belt conveyor, and the high end of the inclined lifting belt conveyor inputs crushed flower mud materials to a feed port of the vibrating screen. According to the flower mud material crushing conveying line, crushing equipment is installed in a pit mode, the feeding difficulty is lowered, and the operation safety is improved.

The invention discloses a broken sample anti-adhesion and waste taking device and method under an automatic mode of a tensile testing machine, and relates to the technical field of tensile testing machines. The clamp comprises a clamp body, a horizontal pushing type driving mechanism, a clearance, a gas spring ejection mechanism, a manipulator and a control system. A gap (delta = 30mm) is reserved to form a manipulator operation window, so that the problem of failure in grabbing of the fractured sample is solved; the gas spring ejection mechanism pushes the ejection head to extend out by 3mm with the thrust of 20N, and the adhered sample is forcibly separated; the clamping force of the horizontal pushing type driving mechanism reaches 30 MPa, and the maximum opening stroke exceeds 100 mm. All the components are coordinated through a PLC, the processes of sample feeding, tensile sample breaking treatment and separation and recovery are completed, the clamping face state is detected in real time through a laser obstacle avoidance sensor, and operation safety is guaranteed. Manual intervention is eliminated, the automatic compatible defect is overcome, and the automatic testing efficiency of the tensile testing machine is improved.

The invention provides a method for systematically monitoring aircraft pilot and air traffic control (ATC) radio communications to detect predefined aviation-specific keywords indicative of operational conditions affecting flight safety or efficiency, such as turbulence, icing, or visibility constraints. Detected keywords and semantic equivalents from voice transmissions are transformed into structured data formats. These structured data are correlated with Automatic Dependent Surveillance-Broadcast (ADS-B) data, including precise aircraft position, altitude, heading, and speed. Leveraging this integrated data, the system generates automated, quantitative visualizations, such as condition-specific heatmaps or other graphical representations, illustrating spatial distributions of reported in-flight phenomena like turbulence, icing, or hazardous conditions. These visualizations enable air traffic controllers, pilots, and aviation stakeholders to rapidly assess and disseminate real-time observations and historical patterns of flight hazards, thereby significantly enhancing situational awareness, operational safety, and decision-making effectiveness without manual input or subjective interpretation, improving overall aviation operational efficiency and safety.

The invention relates to a high-voltage transformer series resonance withstand voltage test system and an automatic tuning method, and relates to the technical field of high-voltage electrical equipment testing, and the system comprises a control module, a signal generator, a resonance circuit, a data acquisition module and a safety protection unit. The method comprises the following steps: initializing system parameters; automatically searching and locking an optimal resonant frequency point; executing a withstand voltage test at the resonance point and monitoring data; and automatically analyzing data and judging performance. According to the invention, through full-closed-loop automatic control, rapid and accurate locking of the resonant frequency and intellectualization of the test process are realized, and the problems of low efficiency, poor precision and insufficient safety of a traditional method are effectively solved. The device has the outstanding advantages of high adaptive capacity, reliable test result and safety and convenience in operation, and is particularly suitable for high-efficiency and accurate standardized test on the insulating properties of various high-voltage transformers in an electric power system.

The invention discloses a multi-dimensional heat management and safety protection system for an electric bicycle battery replacement cabinet, and belongs to the technical field of heat management of electric bicycle heat exchange stations. According to the system, through a multi-dimensional thermal management framework of a phase change material plate, a liquid cooling plate and a wide-temperature-range heat pump, temperature, pressure and smoke multi-sensor monitoring and layered regulation and control of a thermal management subsystem are combined, so that accurate control over the temperature in a battery bin and early warning of battery thermal runaway are achieved; meanwhile, the safety of battery replacement operation is guaranteed by means of a linkage control mechanism of a front bin door and a rear bin door, a catapulting device composed of a compressed carbon dioxide gas storage tank, an electromagnetic valve, an I-shaped pushing rod and an air cylinder is matched, a fault battery can be rapidly pushed into a fire-fighting bin when a thermal runaway signal is detected, a full-link safety protection system is formed from early warning, temperature control to emergency disposal, and the safety of the battery replacement operation is guaranteed. The problems that an existing battery replacement cabinet is uneven in battery heat dissipation, lagged in thermal runaway response and single in safety protection are effectively solved, and the operation safety and reliability of the electric bicycle battery replacement cabinet are remarkably improved.

The invention discloses a gravity retaining wall toughness evaluation method based on performance degradation. Aiming at the problems that the existing gravity retaining wall toughness evaluation focuses on the static performance, the dynamic influence of the performance degradation in the service period on the toughness is difficult to quantify, and the evaluation result is insufficient in accuracy, the evaluation method comprises the following steps: 1, constructing the performance characterization index of the gravity retaining wall; 2, establishing a correlation model of the toughness and performance attenuation of the gravity retaining wall, dividing performance grades, determining a performance threshold value corresponding to each grade, and fitting a performance attenuation function; 3, calculating a comprehensive toughness index in an evaluation period under each performance characterization index based on the performance attenuation function; 4, establishing a weight calculation model, and determining the toughness index proportion of each performance characterization index; and 5, calculating a weighted comprehensive toughness index and outputting a toughness grade to realize accurate quantitative evaluation of the toughness of the gravity retaining wall. The invention provides a practical quantification method for design optimization, operation safety monitoring and recovery effect evaluation after disaster damage of the retaining wall.

A method of controlling a gate system located at a railroad crossing includes receiving a track selection signal indicative of a service request to disable operation of the gate system. The method further includes receiving track status data indicating operational safety conditions for a segment of a track corresponding to the gate system. The method further includes determining whether the gate system satisfies predefined safety criteria based on the track status data. The method further includes determining whether to grant the service request based on whether the gate system satisfies the predefined safety criteria. The method further includes providing the service request to a dispatch server and receiving an approval message indicating to disable the operation of the gate system. The method further includes providing, to a controller configured to operate the one or more components of the gate system, instructions indicating to disable the operation of the gate system.

The utility model relates to a conveying device, and provides the conveying device applied to the slaughter line, which comprises a hanging bracket, hanging feet, a track, a guide groove, a conveying chain and the like, a plurality of lifting feet are arranged on the upper portion of the lifting frame, the lifting frame is installed at the high altitude through the lifting feet, a track is arranged on the lower portion of the lifting frame, a guide groove is formed in the track and arranged along a track laying path, and a conveying chain is arranged in the guide groove of the track. The hanging tool fixedly connected with the conveying chain is arranged, the hanging rope is supported through the flexible damping rod, instability caused by swinging of livestock is effectively reduced, the flexible damping rod provides certain flexibility to adapt to dynamic changes under different conveying conditions, the good damping performance is achieved, and the livestock conveying device is suitable for being used for conveying livestock. The impact force can be absorbed during starting, stopping or speed changing, rigid collision between the chain and the hanging tool is effectively prevented, the stability and safety of a system are further enhanced, it is ensured that the transportation process is stable and reliable, and the production efficiency and operation safety are improved.

The invention discloses an intelligent robot grabbing control method and system based on AI vision, original vision and kinematics flow are fused through space-time alignment, and a physical-level dynamic shielding mask is accurately extracted through forward kinematics and reverse perspective projection. Then, the limitation of traditional pure semantic matching is broken through, a narrow-band gradient reference field of a shielding boundary is explicitly extracted to serve as a spatial topology bias injection attention mechanism, feature illusion completion guided by physical continuity prior is executed in a hidden space, and high-fidelity perspective features are generated; on the basis, the network synchronously regresdes six-degree-of-freedom grabbing pose and execution uncertainty, the uncertainty serves as an independent variable to dynamically attenuate and adjust the impedance rigidity of the mechanical arm, finally, self-adaptive compliant interaction in a blind area is achieved in a bottom layer physical servo link, and space positioning precision and operation safety are both considered.

A control method for an unmanned aerial vehicle, the method comprising: acquiring a waypoint of an unmanned aerial vehicle and an operation task corresponding to the waypoint, wherein the operation task comprises unloading and / or loading a target object by means of a hoisting apparatus, and the hoisting apparatus is provided on the unmanned aerial vehicle (S110); in response to the unmanned aerial vehicle moving to the waypoint, controlling the unmanned aerial vehicle to descend so as to move to a target position corresponding to the waypoint (S120); and controlling the unmanned aerial vehicle to execute the operation task at the target position (S130). The present application can improve the operational safety and reliability of an unmanned aerial vehicle. Further provided are a control method for an unmanned aerial vehicle, a mobile platform and a control method therefor, and a system and a storage medium.

The invention belongs to the technical field of logistics management, particularly relates to a method for automatically stacking material cages in an unmanned forklift carriage, and is suitable for automatic loading and unloading scenes in the fields of logistics, manufacturing and the like. The core of the method is to solve the problem of high-precision and tight stacking of multiple columns and multiple rows of material cages in a long and narrow compartment space of the unmanned forklift. Through combination of 3D environment perception, laser / visual SLAM navigation, carriage wall fitting and tracking control based on point cloud and differential accurate positioning strategies for side cages and middle cages, unmanned and high-density stacking operation of the whole process is achieved. Wherein for the placement of the middle material cage, a visual auxiliary positioning and error compensation mechanism based on the placed material cage supporting legs is innovatively introduced, the track accumulative error is effectively overcome, and the alignment and compactness of the whole row of material cages are ensured. The automation level, the space utilization rate and the operation safety of loading and unloading operation are remarkably improved.

The invention provides a low-altitude release management method, device and equipment and a readable storage medium, and the method comprises the steps: generating a predicted track of a target aircraft according to a received flight plan of the target aircraft; the predicted track is a three-dimensional track corridor; if it is determined that the flight plan has the airspace use conflict event according to the predicted flight path, generating a corresponding target adjustment strategy according to the obtained conflict detection information; and adjusting the flight plan based on the target adjustment strategy to obtain a target flight plan, and sending the target flight plan to the target aircraft control terminal. Through the implementation of the scheme, the three-dimensional track corridor is generated according to the received flight plan, and the conflict risk is automatically identified, so that the risk can be accurately eliminated, and when the risk is judged to exist, an adjustment strategy is intelligently formulated, so that the flight plan optimization and instruction issuing are completed, the low-altitude operation safety is ensured, the airspace utilization efficiency is improved, and the economic benefit is increased. And support is provided for large-scale development of low-altitude economy.

The invention discloses a power system flexibility resource cooperative scheduling method and device, a terminal and a medium, and relates to the technical field of new energy scheduling. According to the scheme provided by the invention, firstly, energy network structures and flexibility resource parameters in a region are collected, and then clustering is carried out according to resource types and technical parameters; a plurality of resource sets capable of being scheduled in a unified mode are formed, the resource utilization rate is improved through resource integration, distributed energy resources and demand response plans are integrated by constructing a double-layer optimization model, the system flexibility is maximized through an upper-layer model, the operation cost is optimized through a lower-layer model, and various resources are coordinated in combination with an aggregation processing mechanism. And finally, iteratively solving the double-layer model, and finally outputting a scheduling scheme considering both flexibility and economy, so that the problem of insufficient resource collaboration in the prior art is effectively solved, the flexibility and stability of the system are improved, and the adjustment potential of the system is maximized on the premise of ensuring the operation safety.

The invention relates to the technical field of charging piles, in particular to an outdoor new energy charging pile protection device which comprises a base and a case installed at the top end of the base, bolts are installed on the periphery of the surface of the base, an anti-collision mechanism is arranged on the front face of the case, and the anti-collision mechanism comprises a damping pipe installed on the side wall of the case. A piston slides in the damping pipe, a buffer rod is fixed to one end of the piston, a sliding rail arranged on the front face of the case is fixed to one end of the buffer rod, a sliding block slides in the sliding rail, a rotating rod is hinged to the surface of the sliding block, a connecting frame is hinged to one end of the rotating rod, and a protection plate is fixed to one side of the connecting frame. Buffering is achieved through the fluid damping effect, so that the direct effect of collision impact force on the charging pile case is effectively weakened, electrical elements in the case are prevented from being damaged due to impact, and the structural integrity and use safety of the charging pile in the outdoor complex environment are guaranteed.

The invention discloses an inclined shaft freezing long-distance full-closed-loop hydraulic formwork trolley lining method, and relates to the technical field of mine and tunnel engineering construction, and the method comprises the following steps: forming a fixed boundary through formwork back shore, applying continuous and controllable micro-amplitude sweep frequency excitation in a freezing layer stable stage, collecting a displacement phase difference between a formwork and a freezing layer, and calculating the displacement phase difference between the formwork and the freezing layer; the local inherent frequency and the damping factor are obtained through calculation, a freezing layer rigidity spectrogram is generated, and an initial base line is established. According to the method, the displacement phase difference between the template and the frozen layer is collected in real time, the inherent frequency and the damping factor are calculated, the stiffness spectrogram is generated and dynamically corrected, self-adaptive adjustment of the vibration frequency, amplitude and residence time is ensured, the dynamic state of the frozen layer is accurately matched, and vibration energy accumulation is avoided. The anti-phase vibration suppression operation and the feedback check closed loop ensure the stability of the freezing layer, so that cracks and structural instability are avoided, the operation safety and stability are improved, and the engineering quality and the personnel safety are ensured.

The invention provides an intelligent disk monitoring method and device based on thermal power plant circulating pump economic dispatching, and aims to solve the problems of dispatching response lag, scattered monitoring, nonstandard operation and the like in traditional circulating pump operation. The system comprises a data acquisition module, an economic dispatching decision module, a state monitoring module, a fault early warning module, a dispatching instruction execution module and a man-machine interaction module, the optimal circulating pump operation mode is automatically matched by acquiring the parameters such as the Yangtze River water temperature, the unit load and the condenser vacuum in real time, and the switching operation is executed according to the standardized step sequence. Meanwhile, the system carries out full-dimension state monitoring on a circulating pump, a butterfly valve, circulating water and a vacuum system, and fault early warning and intelligent pushing are achieved in combination with abnormal parameter correlation analysis. A large amount of hardware does not need to be added, the circulating pump power consumption can be remarkably reduced, the operation safety and the automation level are improved, and the method is suitable for intelligent monitoring and optimal scheduling of various thermal power generating units.

This invention relates to the field of electric water heater technology, specifically disclosing a modular heating system for instant electric water heaters and its power expansion control method, including a water flow detection device and a temperature detection device; the power input unit is electrically connected to the power drive module. This modular heating system and its power expansion control method for instant electric water heaters, by setting up an input capacity detection device and an input capacity judgment unit within the controller, can accurately identify the maximum load capacity of the power input unit. Using a power constraint calculation unit, this capacity is used as a core constraint condition, forming a constraint logic that minimizes the total available power of the modular heating units and the preset product power level. From the system architecture level, this avoids the risk of exceeding the power load limit when the number of modules increases, completely eliminating safety hazards such as overcurrent and overheating, and significantly improving system operational safety.

This utility model relates to the technical field of tube and bar feeding mechanisms, specifically to a fixed-length feeding mechanism for tubes and bars. It includes a frame, a feeding rack fixedly mounted on the top of the back of the frame, an interval feeding assembly fixedly mounted on the inner side of the frame, a conveyor frame fixedly mounted on the front of the frame, an mounting frame fixedly mounted on the left end of the conveyor frame, and a limiting assembly fixedly mounted on the top of the mounting frame. The limiting assembly includes a guide frame fixedly connected to the rear end of the mounting frame, a limiting frame fixedly mounted on the right side of the guide frame, and a fixing seat fixedly mounted on the bottom of the inner side of the guide frame. This utility model, through its design, can be adapted to tube and bar cutting devices for fixed-length cutting, eliminating the problems of uneven speed and inaccurate positioning during manual pushing, reducing processing vibration and improving operational safety. Simultaneously, it achieves automatic interval feeding of tubes and bars, improving feeding efficiency and accuracy.

This invention discloses an assembly device for manufacturing refrigerated truck bodies, belonging to the field of truck body assembly technology. It includes a pit, a fixed frame within the pit, a rectangular groove at the center of the fixed frame, a lifting platform at the bottom of the rectangular groove, a working platform at the top of the fixed frame, and four track trolleys on the working platform. Each track trolley has a horizontal adjustment component inside and a tilting component and an adhesive application component on its top. By setting up the pit and lifting platform, this invention allows the truck body to smoothly enter the working area without the need for a large crane. Utilizing staggered adhesive application tracks and the horizontal adjustment components, the track trolleys can move independently to the four corners without interfering with each other, achieving fully automatic adhesive application to the bottom, top, and four corners. Simultaneously, the use of horizontal and vertical application plates ensures the adhesive is evenly applied and pressed into the corners, reducing assembly difficulty while improving adhesive application quality and operational safety.

This invention provides a machine tool loading / unloading control method and a loading / unloading device. The loading / unloading device includes two feeding units that jointly transport workpieces between a trolley and the machining area of ​​the machine tool. The loading / unloading device has a starting position, a first feeding position, and a second feeding position. The starting position avoids the trolley and the machining area. The first feeding position corresponds to the trolley for picking up and placing workpieces on the trolley, and the second feeding position corresponds to the machining area for picking up and placing workpieces in the machining area. The loading / unloading control method includes: after the loading / unloading device moves to the corresponding position, detecting whether both feeding units have moved into position; if at least one feeding unit has not moved into position, repeating the movement action of the loading / unloading device to move both feeding units to the corresponding position; and executing the next action after both feeding units have moved into position. This avoids the problem of interference in the loading / unloading device, improving machining efficiency and operational safety.

This invention relates to a fully automatic integrated machine for primary processing of basa fish, belonging to the field of fish primary processing equipment technology. It solves the problems of low automation levels, lack of dedicated equipment, poor adaptability of general-purpose equipment, uncontrollable gutting depth leading to fish meat contamination, and incomplete or damaged skinning; low efficiency and significant damage to fish meat due to fragmented multi-stage processing; and cross-contamination between viscera, head, tail, and finished product collection. A synchronous belt conveyor clamping device is horizontally mounted on the frame, with two sets of synchronous belt conveyors arranged side-by-side to form a clamping and conveying area, stably clamping the fish during transport. The processing device is sequentially equipped along the conveying direction with viscera removal, head and tail removal, back opening, skinning, and collection devices, enabling continuous automated viscera removal, head and tail removal, back opening, skinning, and finished product collection for basa fish. This invention achieves fully automated primary processing of basa fish, significantly improving processing efficiency, operational safety, and product reliability.

This disclosure proposes a multimodal motion switching control method and device for a mining intelligent assistive exoskeleton, relating to the field of mining safety equipment technology. The method includes: collecting multimodal sensing data from the wearer, extracting temporal features and inputting them into a lightweight classifier to identify motion patterns and output confidence scores; when the confidence score continuously exceeds a threshold, a mode switching intention is determined; the control subroutine corresponding to the current motion mode is invoked to obtain impedance parameters and the desired trajectory; based on the impedance parameters, the desired trajectory, and the current trajectory, interpolation fusion is performed using a hybrid transition strategy to generate smooth transition joint control commands to control the exoskeleton. This disclosure enables real-time and accurate identification of motion intentions in confined underground environments, smooth and compliant switching between multiple modes, effectively reducing switching impact, ensuring motion continuity and human-machine collaboration safety, and improving the adaptability and overall operational safety of the exoskeleton in confined environments.

This invention provides an adaptive control method and system for continuum robots based on global tactile perception, relating to the field of continuum robots. By using a conformally attached flexible array pressure sensor, it directly measures the contact force across the entire robot body, overcoming the perception blind zone problem of existing end-effector force sensors. It also avoids the high cost and increased stiffness issues of fiber optic grating solutions, achieving low-cost, highly flexible global force perception. The heterogeneous modulus structure design effectively solves the problem of measurement inaccuracies by flexible sensors under large deformation environments. The adaptive admittance control strategy enables the robot to dynamically adjust its compliance characteristics based on real-time tactile information, significantly improving operational safety in sensitive environments (such as surgery). The sensor scheme and control framework have good universality and can be applied to continuum robot platforms with different structures.

This application relates to a UAV frame for bridge inspection, belonging to the technical field of UAVs. It includes a UAV body with a connecting frame at its bottom. This application utilizes a plug-in engagement between a plug and the connecting frame, and a limiting block driven by a push spring in a snap-fit ​​assembly to achieve automatic initial positioning. Simultaneously, a bidirectional lead screw driven by a first servo motor in the limiting assembly drives a moving frame and its locking block for a secure secondary locking. This significantly simplifies the installation and disassembly process of the UAV body and the connecting frame. Furthermore, a buffer assembly located on the outside of the connecting frame, with its support plate sliding within the damping sleeve of the support leg via a slide rod, compresses the buffer spring. This effectively absorbs and dissipates the impact energy generated during UAV takeoff and landing or sudden collisions, maximizing the protection of the precision components inside the UAV body and the shooting and detection devices within the mounting frame. This significantly reduces data acquisition errors and improves operational safety and data reliability.

This utility model relates to the field of laser welding technology, specifically disclosing a laser welding gun and laser welding equipment with a gas channel structure. The welding gun includes a working part and a gun barrel. The working part has a gas supply channel with an inlet at its input end, which is connected to a gas source. The working part has an output port connected to the gas source, and the output end of the gas supply channel is connected to the output port via an outlet channel, which connects the gas supply channel and the output port. The gun barrel is detachably connected to the working part, and the output port is connected to the input end of the gun barrel. This welding method solves the problem of potential impact damage to externally located gas channels, improves the structural stability, durability, and operational safety of the equipment, and ensures welding quality and energy transfer efficiency.

The invention relates to a refrigeration device (10) with at least one inner container (12) which defines at least one interior space (14), with at least one separating element (16) which divides the at least one interior space (14) into a receiving area (18) for storing goods and an evaporator area (20), and with at least one pressure sensor (22) for detecting the pressure of the at least one interior space (14). In order to provide a generic refrigeration appliance (10) with improved characteristics with regard to operational safety and / or reliability, it is proposed that at least one pressure sensor (22) be arranged in the evaporator area (20).

An operational safety region generation method, comprising: generating an initial safety region on the basis of an operational plot and takeoff / landing position information of an unmanned device (S110); determining an editable boundary line of the initial safety region (10) (S120); receiving an editing operation for the editable boundary line, and adjusting the editable boundary line on the basis of the editing operation (S130); and generating a target safety region on the basis of the adjusted editable boundary line (S140). By means of the method, an editable boundary line can be determined in a preliminarily planned safety region, and a user edits the editable boundary line such that the adjusted safety region does not contain obstacles and retains part of the region in which an unmanned device can fly, thereby ensuring that a safe and efficient flight route is directly planned within the adjusted safety region, and meeting the efficient-operation requirements of the unmanned device.