15results about How to "Implement embedding" patented technology

The utility model discloses a ball valve that can prevent mistaken rotation, when the valve handle needs to be rotated to adjust the opening and closing degree of the ball valve body, first, the elastic assembly's elasticity is overcome to pull out the telescopic handle outward, so that the limiting slot of the limiting sheet and the limiting disc is separated, at this time, the rotation of the valve handle is not limited and can be rotated, which is convenient for rotating the valve handle in operation, then, after the valve handle is rotated to the required position, in the process of loosening the telescopic handle, the elastic assembly drives the telescopic handle to reset, so that the limiting sheet is embedded in the limiting slot again, to realize the mistaken rotation of the valve handle.

This invention relates to the field of digital watermarking technology, and discloses a robust reversible watermark embedding and extraction method based on pseudo-Zernike moments. The method includes: calculating the pseudo-Zernike moments of the original image, performing adaptive normalization on pseudo-Zernike moments of different orders, performing a pseudo-Zernike inverse transform on the difference between the pseudo-Zernike moments calculated from the robust watermarked image and the pseudo-Zernike moments used to reconstruct the robust watermarked image, and embedding the watermark using a quantized watermarking method; when the image is not attacked, extracting the watermark information of the unattacked image and restoring the original image; when the image is attacked, extracting the watermark information of the attacked image. This invention provides different watermark strengths for pseudo-Zernike moments of different orders, making the robust reversible image more robust to geometric attacks and conventional processing. The obtained error image is compensated into the robust watermarked image to further reduce the amount of distortion information, thereby achieving high-capacity watermark embedding.

This invention provides a method for preparing olivine-type sodium iron phosphate, olivine-type sodium iron phosphate, and a sodium-ion battery, specifically relating to the field of sodium-ion secondary battery technology. The preparation method involves dissolving sodium propionate and sodium salt, adding olivine-type iron phosphate, and grinding to obtain a precursor slurry. The precursor slurry is then spray-dried and sintered at 200-400°C to obtain the olivine-type sodium iron phosphate. In this preparation method, sodium propionate not only serves as a sodium source, but propionate ions also promote the kinetics of the solid-phase reaction, resulting in purer olivine-type sodium iron phosphate and further improved capacity. Furthermore, to reduce the high ineffective carbon content caused by the difficulty in propionate decomposition at low temperatures, an appropriate metal oxide precursor is introduced to facilitate the effective decomposition of carbonaceous species during pyrolysis, providing a feasible path for the low-cost, large-scale preparation of high-performance NaFePO4 materials.

The utility model discloses an automatic replacing mechanism of a dispensing valve nozzle, the nozzle is connected to the lower end of a glue valve through threads, the automatic replacing mechanism comprises a bottom substrate, a base arranged above the bottom substrate and a sleeve matched with the nozzle, the sleeve is rotatably arranged on the upper surface of a top plate of the base, the upper end of a rotating shaft is connected with the sleeve, and the lower end of the rotating shaft is connected with the glue valve. The rotating shaft in transmission connection with a driving mechanism is used for driving the sleeve to rotate, and at least one set of protrusions and grooves matched with each other is arranged between the inner wall of the sleeve where the nozzle can be embedded and the outer side surface of the nozzle. The upper surface of the bottom substrate and the lower surface of the base are connected through at least three elastic pieces which are vertically arranged and distributed at intervals. According to the automatic replacement mechanism for the dispensing valve nozzle, in the process of disassembling the nozzle, the automatic alignment and embedding between the nozzle and the sleeve can be automatically realized.

The air duct structure of the bed type air conditioner comprises a bed body, an air inlet is formed in the bottom or the side face of the bed body, an air outlet is formed in the bed head and / or the bed tail of the bed body, an air duct communicated with the air inlet and the air outlet is arranged in the bed body, and a fan component is arranged in the air duct. Compared with a long-distance air supply mode of a traditional air conditioner, the air duct structure of the bed type air conditioner can accurately control the airflow direction, and the temperature uniformity and the comfort degree of a local area are improved. In the heating mode, the hot air rises from the bottom to form a warm air curtain wall by utilizing the floating characteristic of the hot air, so that external cold air can be isolated, the internal environment temperature is maintained, and a human body feels warm and comfortable all the time.

The application provides a kind of sodium ion battery negative electrode material and its preparation method and application.The negative electrode material includes black phosphorus, carbon carrier and sodium salt;The morphology of the carbon carrier is the morphology of LDH template;The black phosphorus and sodium salt are compounded in the carbon carrier;The carbon carrier is also doped with double metal ions, and the double metal is the double metal element in the LDH template.The negative electrode material provided by the application has multiple bonding effects between the carbon carrier, phosphoric acid, double metal ions and sodium salt, which ensures the stability of the material interface and effectively inhibits the volume expansion of black phosphorus during the cycle process;And the interaction between each substance, synergistic effect, makes the negative electrode material have excellent cycle stability and high reversible capacity, and also has good rate performance.

The utility model provides an HDMI (High Definition Multimedia Interface) coaxial extender. The HDMI coaxial extender comprises a transmitting end and a receiving end which are connected through a coaxial line, the transmitting end comprises a to-be-extended HDMI signal input end, a first audio and video processing chip, a first signal conversion chip, a coding chip, a first audio main control chip, a coding control chip and an output interface; the receiving end comprises an input interface, a second audio and video processing chip, a second signal conversion chip, a decoding chip, a second audio master control chip, a decoding control chip and an HDMI signal output end. According to the HDMI coaxial extender provided by the invention, audio embedding and stripping can be realized; audio and video signals can be converted into TTL (Transistor-Transistor Logic) type signals convenient to transmit; and the converted signal is coded and then decoded through the coding and decoding chip, so that the purpose of further improving the transmission distance of the HDMI signal can be achieved. Therefore, the transmission efficiency of the HDMI signal is improved.

The invention discloses a diagnosis and treatment integrated treatment method, which relates to a diagnosis and treatment system and is characterized in that a multi-scene diagnosis and treatment mode is set and mainly comprises three scene diagnosis and treatment modes, namely a mechanism diagnosis and treatment mode, a home diagnosis and treatment mode and an offline diagnosis and treatment mode; acquiring health detection data of the patient, acquiring a patient treatment scheme according to the health detection data, and pushing the patient treatment scheme to a mobile control terminal; and when the patient needs to be treated, the patient treatment scheme in the mobile control terminal is sent to a laser therapeutic instrument to treat the patient. The invention further discloses a diagnosis and treatment integrated treatment system. According to the invention, integration of a diagnosis and treatment integrated system is realized, a treatment scheme is intelligently recommended and a treatment module is used for treatment according to a specific detection equipment result, an application scene barrier is broken through, an application range is widened, a breakpoint of a large health management scene is fused, and offline and / or online, personalized and intelligent service requirements of traditional Chinese medicine acupoint treatment are met.

The invention discloses a knowledge graph embedded power transaction subject operation evaluation method and system, relates to the technical field of big data and artificial intelligence, and constructs a power transaction subject operation evaluation system from numerical features and text features. And constructing a knowledge graph based on the literature related to the power transaction subject, and predicting the operation condition of the power transaction subject through a deep learning operation evaluation model embedded in the knowledge graph. According to the model, rich text information in the knowledge graph is effectively combined, the operation condition of the transaction subject can be described more accurately, and support is provided for efficient decision making of an electric power company and the electric power transaction subject.

The invention provides a non-planar zero watermark method based on composite energy seam cutting, and proposes a non-planar watermark method for adaptively mapping a two-dimensional image to a three-dimensional grid model surface and embedding a watermark; the method comprises: reconstructing an object in three dimensions to generate a three-dimensional grid model; defining an energy value according to a FT saliency map value, an MB saliency map value, a gradient value and a structure tensor of a pixel, in combination with a pixel edge cost, and proposing a composite energy seam cutting method to achieve a better image scaling effect; dividing the two-dimensional image into blocks, scaling the blocks according to a grid shape of a three-dimensional grid model, and mapping the blocks to the three-dimensional grid model; watermark generation: generating a zero watermark for the mapped three-dimensional grid model, encrypting the zero watermark and uploading it to a blockchain, making full use of the non-forgeable, open and transparent properties of the blockchain, and ensuring the security and authority of the generated zero watermark; watermark detection: determining whether a watermark exists in the three-dimensional grid model to be detected according to the zero watermark stored in the blockchain.

The utility model discloses a food material container recovery device, an automatic meal delivery robot and an automatic meal delivery trolley, and belongs to the technical field of catering automation equipment. The device comprises a frame body, a mounting plate is arranged at the top of the frame body, and a container temporary storage platform is arranged at the bottom of the frame body; the fixed end of the turnover mechanism is connected with the mounting plate, and the turnover end of the turnover mechanism is provided with a container receiving and placing platform; the fixed end of the lifting conveying mechanism is connected with the frame body, and the lifting end of the lifting conveying mechanism is provided with a container conveying platform; a container receiving and placing platform is correspondingly arranged above the container conveying platform; a positioning recovery mechanism; the positioning recycling mechanism comprises a first lifting mechanism, a supporting platform and a container recycling platform; the bottom end of the first lifting mechanism is connected with the supporting platform, and the lifting end is connected with the container recycling platform. A container caching platform is correspondingly arranged below the container recycling platform; and a plurality of container clamping pieces are arranged on the container recycling platform. Automatic stacking and recycling of the food material containers are achieved, and the recycling and arranging efficiency of the containers is improved.

The utility model relates to medical instrument technical field discloses portable anesthetic gas filtration and purification device, pack filter box, the opening of filter box is provided with the box cover, the inside of box cover is provided with the cavity, the inside wall of cavity is provided with fixed component, the inside wall of filter box is provided with a plurality of activated carbon screen, the both sides of filter box are provided with support component, the fixed component includes the rotary block of rotary connection in the inside wall of cavity and two mounting blocks of sliding connection in the inside wall of cavity. This portable anesthetic gas filtration and purification device, through rotating the rotary plate drive rotary block rotation, utilize the linkage of connecting rod and spring, realize the automatic ejection and embedding of clamping block, after the quick disassembly of box cover, can directly draw out old activated carbon screen and replace new screen, can quickly complete operation, need not extra tool, save the step of screwing screw one by one, can save precious time in first-aid or transfer scene.

This invention discloses a condenser fan control method and a refrigeration device. The condenser fan control method includes: after the compressor's start / stop state changes, obtaining the actual temperature T of the condenser. LN According to the actual temperature T LN The high and low delay switching of the condenser fan's start / stop state. Changes in the compressor's start / stop state include the compressor switching from off to on and / or from on to off; after the compressor starts, the actual temperature T of the condenser is obtained. LN If the actual temperature T LN Rise to t 开1 The condenser fan delay is h 开 Start; and / or obtain the actual temperature T of the condenser after the compressor stops. LN According to the actual temperature T LN High and low adjustment h 关 The length of the condenser fan delay (h) 关 Power off. This invention reduces noise generated when the refrigeration equipment is turned on and accelerates heat dissipation when the refrigeration equipment is turned off by delaying the switching of the condenser fan's start-up and shutdown states, thereby effectively improving the user experience.

The present invention discloses a password embedding method and device, a password matching method and device, and a control system. The password embedding method includes: processing a carrier audio signal to obtain a plurality of audio segments with coefficients; wherein the carrier audio signal contains a control instruction; expanding a preset binary sequence to obtain an embedded password sequence; processing the audio segment according to the embedded password sequence to obtain the carrier audio information after the password is embedded; sending the carrier audio signal after the password is embedded to an instruction receiving end to perform password matching. The present invention can solve the problem that the carrier information is disturbed, resulting in distortion of the password information and affecting the matching result, improve the accuracy of password matching, and avoid misjudgment.

The embodiment of the invention belongs to the field of image processing, and relates to a video processing method and device, computer equipment and a storage medium, and the method comprises the following steps: carrying out the preprocessing of to-be-processed video data, and obtaining initial video data; performing three-layer wavelet decomposition processing on the initial video data to obtain watermark embedding position information; performing visual sensitivity calculation on the initial video data, and performing region division on the initial video data according to the visual sensitivity to obtain video region information; performing feature extraction on the initial video data to obtain video comprehensive features; encrypting the preset watermark information to obtain encrypted watermark information; and determining the watermark embedding strength according to the video area information, and performing watermark embedding on the initial video data according to the video comprehensive characteristics, the encrypted watermark information, the watermark embedding position information and the watermark embedding strength. According to the method and the device, the watermark information of the initial video data can be embedded, so that high-quality effective video data can be obtained.