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Rhinitis treatment electrode assembly based on temperature control radiofrequency ablation and rhinitis treatment device

The invention discloses a rhinitis treatment electrode assembly based on temperature control radiofrequency ablation. The rhinitis treatment electrode assembly comprises a conveying pipe; the far end of the conveying pipe is fixed to the near-end connector of the cutter head to be communicated with the inner cavity of the cutter head, the cutter head is provided with an ablation end face, and an ablation channel is formed in the ablation end face; the ablation electrode is partially and fixedly arranged in the inner cavity of the scalpel head, the ablation part of the ablation electrode protrudes out of the ablation end face of the scalpel head through the ablation channel, and the ablation electrode is electrically connected with the power supply unit of the rhinitis treatment electrode assembly through a power cable; the temperature sensor is arranged on the ablation end face, and the temperature sensor is in signal connection with a control system of the rhinitis treatment electrode ...

Coal rock identification method and device

The invention provides a coal rock identification method and device, and relates to the technical field of computers. The method comprises the following steps: monitoring the coal mining machine through a sound sensor to obtain a to-be-detected audio signal, and obtaining a plurality of reference audio features; performing feature extraction on the to-be-detected audio signal to obtain a first audio feature; determining a second audio feature from the plurality of reference audio features according to the similarity between the first audio feature and the plurality of reference audio features; according to the category to which the second audio feature belongs, a first prediction category of the coal rock cut by the coal mining machine is determined, and the first prediction category is used for indicating coal or rock. Therefore, according to the similarity between the audio feature of the to-be-detected audio signal of the coal rock cut by the coal mining machine and the plurality of ...

Radio frequency chip, algorithm reconstruction method and computer readable storage medium

The invention relates to the technical field of wireless communication, and discloses a radio frequency chip, an algorithm reconstruction method and a computer readable storage medium, the radio frequency chip comprises a configuration interface, an interconnection bus, a processor and at least two arithmetic units, and the arithmetic units have different arithmetic functions; the configuration interface is connected with the processor and is used for transmitting the received routing information and configuration data to the processor; wherein the routing information and the configuration data are determined according to a target calculation function of the radio frequency chip; the interconnection bus is communicated with all the operation units, is connected with the processor and is used for adjusting the input and output relationship among all the operation units; the operation unit is connected with the processor and used for providing a target operation function; and the processor ...

Method and device for detecting upward sliding and downward sliding of conveyor and electronic equipment

The invention provides a method and a device for detecting upward and downward sliding of a conveyor and electronic equipment.The method comprises the following steps: acquiring a reference travelled distance when a coal mining machine passes through a hydraulic support at a second end in the process that the coal mining machine runs on the conveyor in the direction from the first end to the second end of a fully mechanized coal mining face; acquiring the real-time travelled distance of the coal mining machine when the coal mining machine passes through the hydraulic support at the second end in the process that the coal mining machine runs from the first end to the second end on the conveyor; and according to the reference mileage and the real-time mileage, whether the end, located at the second end, of the transport plane moves upwards and downwards or not is determined. Therefore, upward moving and downward moving of the conveyor can be detected, normal proceeding of other generation ...

Hydraulic support state judgment method and device, electronic equipment and storage medium

The invention provides a hydraulic support state judgment method and device, electronic equipment and a storage medium, and relates to the technical field of coal mine hydraulic supports, and the method comprises the steps that the real-time column pressure value and the real-time stroke value of a hydraulic support are periodically obtained; first state information of the hydraulic support is determined based on the real-time stroke value, and second state information of the hydraulic support is determined based on the real-time column pressure value; and updating the operation node of the hydraulic support based on the first state information and the second state information. By comprehensively analyzing the real-time column pressure value and the real-time stroke value of the hydraulic support, the state information of the hydraulic support can be more comprehensively and accurately obtained, and meanwhile, errors of analysis results caused by errors of single data can be prevented.

Coal cutting stage detection method and device suitable for coal mining machine

The invention provides a coal cutting stage detection method and device suitable for a coal mining machine, and relates to the technical field of coal mining. The method comprises the steps that position data of the coal mining machine are obtained, the position data comprise a first position of the coal mining machine at the current moment and second positions of N historical moments adjacent to the current moment, and N is an integer larger than 3; acquiring the coal cutting direction of the coal mining machine according to the first position and the N second positions; if the coal cutting direction turns, determining a third position of a current turning point, and acquiring a fourth position of a previous turning point; and determining a coal cutting stage corresponding to the current turning point of the coal mining machine according to the third position and the fourth position. According to the embodiment of the invention, the accurate condition of the coal cutting stage of the fully ...

Coal seam geologic model generation method and device

The invention provides a coal seam geologic model generation method and device, and the method comprises the steps: obtaining working face data, determining a coal seam roof line according to the working face data, determining a coal seam floor line according to the coal seam roof line and the height data of a support, and generating a coal seam geologic model according to the coal seam floor line and the height data of the support. And according to the coal seam roof line and the coal seam floor line of the at least one piece of coal, generating a coal seam visual crushing model for evaluating and predicting the coal yield and/or a coal seam geometric mesh model for three-dimensional visual adjustment of the cutting template. Therefore, the coal seam roof line and the coal seam floor line of the multi-cut coal can be obtained according to the time sequence, and the coal seam visual breaking model is generated according to the coal seam roof line and the coal seam floor line of at least ...

Coal mining machine positioning method and device suitable for fully-mechanized coal mining of coal mine

The invention provides a coal mining machine positioning method and device suitable for fully-mechanized coal mining, and relates to the technical field of coal mining. The method comprises the steps that position data of coal mining machines of multiple channels are received, the position data of any channel comprises N moments and a first position of any moment in the N moments, and N is an integer larger than 2; determining candidate channels from the plurality of channels according to time conditions satisfied by N moments in different channels; and determining the target position of the coal mining machine at the current moment according to the first positions of the N moments in the candidate channel. In the embodiment of the invention, the position data of a plurality of signal sources are adopted, and fusion analysis is carried out through the multi-channel position data, so that not only can the integrity of the output target position be ensured, but also the reliable position ...

Light-emitting module

The invention relates to the technical field of light-emitting modules, in particular to a light-emitting module. The light-emitting module comprises a shell, a light source and a light guide plate. The light guide plate and the light source are arranged in the shell; the light source is located below the light guide plate in the height direction of the shell and can emit light towards the light guide plate in the height direction of the light guide plate. The light-emitting module further comprises a plurality of curved surface structures which are arranged on the light guide plate at intervals in the height direction of the light guide plate. In the direction of light emitted by the light source, the sizes of the multiple curved surface structures are gradually increased, and the multiple curved surface structures can evenly reflect the light emitted by the light source out of the shell. By eliminating the use of the existing reflecting layer and diffusion layer thin film materials, the ...

Color changing method and device of three-dimensional model, electronic equipment and storage medium

The invention provides a color changing method and device for a three-dimensional model, electronic equipment and a storage medium, and the method comprises the steps: obtaining a first expansion image and a first texture image of the three-dimensional model to be subjected to color changing, and obtaining a first texture image of the three-dimensional model according to the first expansion image of the three-dimensional model and at least one part group corresponding to a plurality of parts of the three-dimensional model, determining a second expanded image of the three-dimensional model, generating a target texture image of the three-dimensional model according to the first texture image and the second expanded image, generating a target material ball of the three-dimensional model according to the target texture image, and performing color changing processing on the three-dimensional model based on the target material ball, the second expanded image generated in the application carries ...

Wheel disc hydraulic braking system and maglev train

The invention discloses a wheel disc hydraulic braking system and a maglev train, and relates to the field of maglev train hydraulic pressure, the wheel disc hydraulic braking system has a pressure accumulation function, and when a hydraulic power system fails and cannot work, hydraulic oil stored in an energy accumulator can provide an emergency hydraulic oil source for the system; it is ensured that each hydraulic subsystem can provide a hydraulic oil source meeting the requirement for completing corresponding emergency functions; in addition, the system further has a common braking force proportional control function, the energy accumulator can indirectly input hydraulic oil to the wheel disc brake to complete common braking, and a first pressure sensor is used for accurately controlling output of the corresponding hydraulic oil; in addition, the brake release monitoring function and the remote brake release function are further achieved, when brake release needs to be implemented, hydraulic ...

Method and device for regulating and controlling cutting template of coal mining machine

The invention provides a coal mining machine cutting template regulation and control method and device, and relates to the technical field of coal mining machines. Realistic data of a fully mechanized coal mining face sent by underground acquisition equipment is received, and the realistic data is divided into valid data and invalid data; correcting the invalid data based on a packet pit editor, and preprocessing the valid data and packet pit data obtained after correction to generate a first cutting template curve; the first cutting template curve is corrected according to the planned track of the cutting roller of the coal mining machine in combination with the coal mining production target, a second cutting template curve obtained after correction is obtained, and after the cutting roller reaches the corrected position, the cutting roller is adjusted based on the second cutting template curve; in the coal mining process of the coal mining machine, the second cutting template curve is ...

Voice recognition model training method and device, electronic equipment and storage medium

The invention provides a voice recognition model training method and device, electronic equipment and a storage medium, and relates to the technical field of voice recognition, and the method comprises the steps: obtaining a voice training sample and a to-be-trained voice recognition model; processing the sound training sample based on a preset window length to obtain a logarithmic Mel-time frequency spectrum of the sound training sample; and inputting the logarithm Mel time-frequency spectrum into the voice recognition model for training to obtain a trained voice recognition model. According to the method, the training samples are processed by using the time windows with different lengths, long-time steady-state features in the sound signals can be captured during feature extraction, instantaneous fine signal changes can be captured, the accuracy of sound recognition can be improved, meanwhile, the method can be suitable for different environments, and the practicability of the scheme ...