40results about How to "Fast conversion" patented technology

An ultra-low power consumption and high speed level shift circuit and method based on subthreshold conduction comprises an input shift circuit and a low power consumption output buffer, the input shift circuit comprises a pull-up network, a pull-down network and a feedback transistor, the pull-up network is of a current mirror structure, the pull-down network is composed of a first pull-down tube and a second pull-down tube, and the feedback transistor is connected with the first pull-down tube and the second pull-down tube. A feedback transistor is added, and when input signal high level conduction succeeds, the current mirror structure is switched off; and the second pull-down tube uses a common-gate transistor, and pulls down the output end of the input shift circuit to a low level by using the sub-threshold conduction principle of the common-gate transistor when the input signal is at a low level. According to the invention, the conversion speed of the falling edge signal in the circuit is effectively improved, the time delay is reduced, the static power consumption is ultralow, the wide voltage conversion range is provided, and meanwhile, the area is very small.

The invention relates to an operating mechanism of a dual-power automatic change-over switch, which comprises a shell and an automatic change-over assembly, and is characterized in that the automatic change-over assembly comprises a mechanism frame, a motor, a change-over disc, a change-over shaft, a first rotating frame, a first change-over pull plate, two first energy storage springs, a second rotating frame, a second change-over pull plate, two second energy storage springs and a change-over driving part; a driving part is arranged on the side, facing the first rotating frame, of the conversion driving part in a linkage mode, a shifting shaft matched with the driving part is arranged at one end of the first rotating frame, a shifting groove matched with the shifting shaft is formed in the driving part, and one end of the shifting shaft moves along with the first rotating frame and moves in the shifting groove in a reciprocating mode. And linkage matching between the driving piece and the first rotating frame is formed. The circuit breaker has the advantages of simple structure, stable and reliable performance, rapid and reliable conversion and high breaking capacity.

The invention provides a shaped horn antenna which can be applied to the technical field of astronomical exploration and the technical field of satellite communication. The antenna comprises a first light wall structure, the first light wall structure comprises a first light wall output end, the inner wall of the first light wall structure comprises a dielectric block, the dielectric block comprises a supporting structure, a curve structure and a linear structure, the curve structure is parallel to the first light wall structure, and the dielectric block is rotationally symmetrical about the axis of the horn antenna; the second light wall structure comprises a second light wall input end and a second light wall output end, and the second light wall input end is connected to the first light wall output end; the third light wall structure comprises a third light wall input end, the third light wall input end is connected to the second light wall output end, and the third light wall input radius of the third light wall structure input end is different from the second light wall output radius of the second light wall output end, so that a stepped structure is achieved.

The utility model relates to a dual-power automatic change-over switch, which comprises an automatic change-over mechanism and a contact system, and is characterized in that the automatic change-over mechanism comprises a shell, a motor and a change-over assembly linked with the motor; the conversion assembly comprises a conversion shaft, a driving disc, a limiting elastic piece, a rotating shaft, a manual operation rotating disc, an energy storage torsional spring arranged between the manual operation rotating disc and the driving disc, an indicating rotating disc rotationally arranged on the conversion shaft, and an indicating piece arranged on the shell in a sliding mode and matched with the indicating rotating disc. The manual operation rotating disc is provided with two driving arms matched with the limiting elastic piece, the two ends of the limiting elastic piece are provided with two bending limiting parts matched with the two driving arms, the driving arms act along with the manual operation shaft disc and abut against the bending limiting parts, and limiting matching of the driving arms and the bending limiting parts is formed. The utility model has the advantages of simple structure, stable and reliable performance, rapid and reliable conversion and high breaking capacity.

The invention provides a voltage conversion circuit which is characterized in that the input end of a first phase inverter serves as the input end of the voltage conversion circuit, the output end of the first phase inverter is connected with the grid end of a second NMOS tube, the drain end of the second NMOS tube is connected with the source end of a first NMOS tube, the grid end of the first NMOS tube is connected with the source end of a fifth NMOS tube and the drain end of a sixth NMOS tube, and the grid end of the fifth NMOS tube is connected with the source end of a fourth NMOS tube. The drain end of the first NMOS tube is connected with the drain end of the first PMOS tube and the gate end of the third PMOS tube, the drain end of the third PMOS tube is connected with the input end of the third phase inverter and the drain end of the third NMOS tube, the source end of the third NMOS tube is connected with the drain end of the fourth NMOS tube, the gate end of the fourth NMOS tube is connected with the output end of the second phase inverter, and the output end of the third phase inverter is the output end of the voltage conversion circuit. The voltage conversion circuit is high in conversion speed.

This invention belongs to the field of materials technology and relates to a method for preparing and applying nickel hydrogen phosphate electrochromic nanomaterials. It overcomes the technical problems of existing nickel-based electrochromic materials, such as low transmittance, small optical modulation range, and difficulty in large-size fabrication after film deposition on transparent conductive substrates. The method for preparing the described nickel hydrogen phosphate electrochromic film employs room-temperature electrodeposition technology. The prepared nickel hydrogen phosphate electrochromic material exhibits small, uniform nanoparticle size and allows for the construction of large-size in-situ films (10 × 10 cm). 2 The characteristics of this method make it suitable for constructing high-performance electrochromic films. The prepared films have the characteristics of high transmittance in the faded state, wide spectral modulation range, and high coloring efficiency. Moreover, the preparation process is low-cost and efficient, and can be mass-produced, making it easy to realize industrial production. It has broad application prospects in the fields of electrochromism, flexible wearables, and smart displays.

The utility model provides a double-posture seat capable of switching quickly, which belongs to the technical field of seats, the double-posture seat has a first sitting posture and a second sitting posture, and comprises a main seat, a child seat and a switching mechanism, the main seat comprises a main cushion and a main backrest, the child seat comprises an auxiliary cushion and an auxiliary backrest, and the switching mechanism is arranged between the main cushion and the auxiliary backrest. The conversion mechanism comprises a first movement connecting part and a second movement connecting part, in the first sitting posture, the auxiliary seat cushion is embedded into the main backrest, the auxiliary backrest is embedded into the main seat cushion, in the second sitting posture, the auxiliary backrest moves to the opposite side of the main backrest, at least part of the auxiliary seat cushion moves out of the close-fitting face of the main backrest, and under driving of the driving source, the auxiliary seat cushion is connected with the main seat cushion. The first movement connecting part and the second movement connecting part move to realize conversion between two postures; according to the utility model, the conversion speed of the seat among different postures is greatly improved, meanwhile, automatic conversion is conveniently realized, and the use experience of a user is improved.

The invention provides a PEG / CaCl2 mediated Penicillium citrinum genetic transformation method, and belongs to the technical field of microbial genetic transformation, and the method comprises the following steps: adding a target gene segment into Penicillium citrinum protoplast suspension, and carrying out an ice bath reaction; the target gene segment is obtained by taking pJET-hph-02944 plasmid as a template and carrying out PCR (Polymerase Chain Reaction) amplification by adopting a hygromycin B resistance gene primer pair with gene sequences as shown in SEQ ID No. 1 and SEQ ID No. 2; adding a PTC (Positive Temperature Coefficient) buffer solution into the mixed system, uniformly mixing and standing; continuously adding a TB3 liquid culture medium containing ampicillin, and carrying out recovery culture; uniformly mixing the resuscitated protoplast with a molten TB3 solid culture medium, pouring a plate, and carrying out dark culture for the first time; then covering a TB3 solid culture medium containing hygromycin B and ampicillin, carrying out secondary dark culture to obtain a transformant, and transferring the transformant to a PDA plate containing hygromycin B for screening. According to the method, CaCl2-PEG is adopted for mediated transformation of Penicillium citrinum, the transformation efficiency is higher, and the transformation speed is higher.

This invention provides a distillation and dehydration apparatus for the preparation of triacetin, comprising a distillation column, a water inlet, an exhaust outlet, a cooking furnace, and a condenser. The distillation column is movably mounted on top of the cooking furnace, and the exhaust outlet is connected to one side of the top of the distillation column. This invention facilitates the containment of thickened oils during distillation, preventing rapid loss and resulting in a smaller amount obtained through distillation. It addresses existing problems where excessively high concentrations of steam are directly condensed during esterification, affecting subsequent condensation rates and causing some triacetin raw material to be lost with the steam, leading to waste. Furthermore, incomplete removal of the extracted esterified raw material after cooking can affect the efficiency of subsequent cooking. Additionally, some raw material drawn into the column may remain in the pipes and on the column sidewalls, and the esterified raw material mist in the steam cannot be utilized, increasing production costs.

The invention provides an operating mechanism of a change-over switch and the change-over switch, and the operating mechanism comprises a rotating shaft which is provided with a plurality of clamping grooves which are arranged at intervals along the circumferential direction of the rotating shaft; the lock rod assembly comprises a base and a lock rod, and the lock rod has a locking state in which the lock rod is matched with the clamping groove to be locked and an unlocking state in which the lock rod is separated from the clamping groove when the rotating shaft is located at the working position; the rotating disc is rotationally installed on the switch body and drives the rotating shaft to rotate through a first elastic piece, the rotating disc is provided with a plurality of protruding discs arranged at intervals in the circumferential direction of the rotating disc, and the protruding discs are provided with triggering positions for driving the lock rod to be switched from the locking state to the unlocking state; in the process that the rotating disc drives the rotating shaft to be switched between the two adjacent working positions, before the protruding disc moves to the triggering position, the rotating shaft keeps still, and the first elastic piece is in an energy storage state. After the protruding disc moves to the triggering position, the first elastic piece releases energy and drives the rotating shaft to rotate rapidly, so that the conversion speed is increased, electric arcs are easy to break, the contact is not easy to burn out, and the service life of the product is prolonged.

The invention discloses an ion selective membrane, a sodium ion sensor and a preparation method of the ion selective membrane. The ion selective membrane comprises the following components in percentage by mass: 90-95% of a high-molecular polymer, 0.5-1.5% of an ion exchanger and 4.5-8.5% of an ion carrier, the high-molecular polymer contains lipophilic plasticizing groups, and the glass transition temperature of the high-molecular polymer is less than or equal to 0 DEG C. The sodion sensor comprises a sodion working electrode and a reference electrode, the sodion working electrode is sequentially coated with Ag / AgCl slurry, carbon slurry and an ion selective membrane, the Ag / AgCl slurry is coated on an Au substrate of the PCB, and the ion selective membrane is the ion selective membrane. The ion selective membrane and the sodium ion sensor do not depend on plasticizers, and the sensitivity stability of the sensor in long-term use is improved.

The embodiment of the application discloses a data transformation method and device and a storage medium, and belongs to the field of data processing. In the embodiment of the application, the first transformation matrix is obtained by transforming an original transformation matrix according to the symmetry of a rotation factor in NTT. Thus, part of the matrix elements in the first transformation matrix has symmetry, so that the data processing results corresponding to the part of the matrix elements in the first transformation matrix are obtained, the data processing results corresponding to other matrix elements are restored, and then each output data is obtained. That is, in the embodiment of the application, the data processing results corresponding to part of the matrix elements are obtained, and all transformation information can be represented, the complexity of data transformation is reduced, and the transformation speed is accelerated.

The invention discloses a successive approximation type analog-to-digital converter based on a dual-threshold comparator. The successive approximation type analog-to-digital converter comprises a switched capacitor DAC array, the dual-threshold comparator and an SAR logic circuit. After an input voltage passes through the switched capacitor DAC array, a differential signal is output to a differential input end of the dual-threshold comparator. The double-threshold comparator divides three comparison intervals by setting two thresholds, judges an interval corresponding to an input differential input signal, obtains an output code and sends the output code to the SAR logic circuit; and the SAR logic circuit controls the switch of the capacitor at the corresponding position in the switched capacitor DAC array to convert, so that the differential input signal jumps towards the approaching direction gradually. According to the successive approximation type analog-to-digital converter, the problem that the ADC performance is reduced due to the fact that a traditional comparator is prone to making mistakes when an input signal is close to 0V is solved, and meanwhile the same conversion precision is achieved with fewer conversion periods, lower power consumption and smaller area.

The invention provides a video style conversion method and device based on a stable diffusion network, and a program product. The method comprises the following steps: receiving a video of a first video style; converting the video of the first video style into a video of a second video style by using an enhanced stable diffusion network according to the text indication of style conversion; the enhanced stable diffusion network is obtained through the following steps: S1, obtaining a lightweight Unet network through a distillation method iterative training mode; s2, the obtained lightweight UNet network is enhanced, an enhanced lightweight UNet network structure is obtained, and enhancement comprises the steps that a noise information reduction module is introduced; the noise information reduction module comprises a feature combination learning module; introducing a semantic segmentation graph module; a feature information enhancement module is introduced and comprises a pooling layer, a feature information connection module and a semantic segmentation fusion module. By means of the technical scheme, video style conversion can be completed, meanwhile, the equipment performance requirement needed by system operation is lowered, and the video conversion quality is improved.

The application provides a method and application of electrochemical reduction of nitrate by using a transition metal nitride, and belongs to the field of environmental catalysis, wherein the method of electrochemical reduction of nitrate by using a transition metal nitride comprises the following steps: constructing an electrochemical catalytic system by taking a transition metal nitride catalytic electrode as a working electrode; and under the condition of power supply, the mutual transformation between metal ions on the surface of the transition metal nitride and zero-valent transition metals generated by electrochemical reduction promotes the reduction of nitrate in an electrolyte, wherein the transition metal is a transition metal of the iron group.

The application belongs to the technical field of low-code development, and discloses an AI-driven low-code platform application automatic generation method and system, which comprises the following steps: constructing a style mapping table; loading an entry skill of an AI Agent, obtaining a low-code platform data model hierarchical structure and a skill navigation table, querying the navigation table according to a task type to load an analyzer skill, and obtaining an input source analysis rule; extracting an HTML prototype structure feature vector and performing similarity matching with a UI mode template library, generating a preliminary configuration within a threshold value, and generating a basic configuration structure outside the threshold value according to the analysis rule, range determination, form entity and page differentiation, and four-step component conversion; matching and loading atomic skills, generating scattered configuration files and analysis summary files according to a JSON configuration specification; displaying a summary for confirmation, assembling scattered configurations to generate a seed data file; and importing the seed data file through an API protocol bridge layer. The application improves the code generation efficiency of the low-code development platform.

The present invention relates to a user portrait generation method and system of Yunqiwei, and relates to the field of portrait generation technology. The method includes obtaining user information and real-time environmental information; determining scenario change characteristics based on real-time environmental information and historical environmental information; obtaining a portrait generation instruction in response to the scenario change characteristics being greater than a change threshold; and determining a user portrait based on user information and real-time environmental information according to the portrait generation instruction. The user portrait generation method can automatically update the user portrait according to changes in environmental information, and its user portrait generation process reduces the need for manual intervention, reduces maintenance costs, and speeds up the conversion speed from data collection to actual application, so that the generated user portrait is more in line with the user's current situation.

The invention discloses a polycaprolactone-b-polybutadiene-b-polycaprolactone block copolymer and a preparation method thereof, the copolymer has the following molecular structure: the elasticity, aging resistance and low temperature resistance of the copolymer are superior to those of conventional polycaprolactone, and the copolymer contains double bonds and terminal hydroxyl groups, so that the polycaprolactone-b-polybutadiene-b-polycaprolactone block copolymer has a good anti-aging property. The copolymer can be grafted with other alkenyl-containing polymers, can also be cured and crosslinked through ultraviolet light, and can also be used as a raw material for toughening epoxy resin or synthesizing a special polyurethane elastomer; the preparation method comprises the following steps of: initiating epsilon-caprolactone to carry out ring-opening polymerization reaction by using dihydroxy-terminated polybutadiene as an initiator to obtain the polycaprolactone, and the method is high in synthesis efficiency, low in cost and capable of realizing large-scale production.

The utility model relates to an automatic switching mechanism of a dual-power automatic change-over switch, which comprises a shell, a motor and a switching assembly. The conversion assembly comprises a conversion shaft, a driving disc, a limiting elastic piece arranged on the driving disc in a linkage mode, a rotating shaft rotationally arranged on the conversion shaft and matched with the motor in a linkage mode, a manual operation rotating disc arranged on the rotating shaft in a linkage mode, and a torsional spring arranged between the manual operation rotating disc and the driving disc. The manual operation rotating disc is provided with two driving arms matched with the limiting elastic piece, the two ends of the limiting elastic piece are provided with two bending limiting parts matched with the two driving arms, the driving arms act along with the manual operation shaft disc and abut against the bending limiting parts, and limiting matching of the driving arms and the bending limiting parts is formed. The utility model has the advantages of simple structure, stable and reliable performance, rapid and reliable conversion and high breaking capacity.

The invention discloses a method for rapidly inducing bone marrow-derived macrophages to be transformed into myofibroblasts. The method for rapidly inducing the bone marrow-derived macrophages to be transformed into the myofibroblasts comprises the following steps: adding the bone marrow-derived macrophages BMDM into the improved 1640 culture medium, carrying out cell culture on the BMDM, replacing the BMDM once every two days, and completing the transformation of the macrophages into the myofibroblasts within five days. Compared with an existing scheme, the method has the advantage that the speed of inducing the BMDM cells to be converted into the myofibroblasts is higher.

This invention discloses a parallel processing system and method for CKKS fully homomorphic cryptography key switching. The system includes an NTT processing unit, a parallel modular reduction hardware unit, a base transformation parallel processing hardware unit, a point-value multiplication unit, and a control unit. The parallel modular reduction hardware unit contains L+1 parallel operation units, each including a shift-addition module, an accumulation module, and a Barrett modular reduction module. It utilizes a special form of small modulus property to convert multiplication into shift and addition operations, performing modular reduction of RNS base extension in parallel. The base transformation parallel processing hardware unit includes an inverse pre-computation module, a temporary matrix calculation module, a matrix multiplication module, and a storage unit. It accelerates base transformation through a parallel Barrett modular multiplication unit and a multiply-accumulate operation array. This invention decomposes large integer modular operations into multiple independent small modulus operations, avoiding carry chain delays and significantly accelerating key switching efficiency while saving hardware resources.

The invention belongs to the technical field of measurement, and particularly relates to a high-resolution high-precision multi-skew integral analog-to-digital converter and an analog-to-digital conversion method.The high-resolution high-precision multi-skew integral analog-to-digital converter comprises a four-path parallel high-precision constant current source circuit, an integrator, an integral output proportional amplification module, a comparator, an integrator zeroing reset circuit and an FPGA; a traditional voltage source / resistor charge injection combination is replaced by four paths of high-precision constant current source circuits, so that the integrator has two zero crossing points while higher-precision quantification of the charge and discharge charge quantity of the integrator is realized, and the influence of a comparator judgment hysteresis phenomenon on the precision is reduced. Through parallel operation of integrator charge and discharge control, data calculation and filtering, data transmission and display and other events in an FPGA, the problem that next analog-to-digital conversion can be started only after a calculation processing result is obtained and the calculation result is filtered and output after a switch control integrator in a traditional double-skew integral analog-to-digital converter charges and discharges is solved. In conclusion, the method has higher resolution, precision and conversion speed.

The invention discloses a rotary spraying arm and spraying cleaning equipment, and the rotary spraying arm comprises a body which defines a spraying cavity; the first thrust spraying hole is used for pushing the body to rotate in the first direction; the second thrust spraying hole is used for pushing the body to rotate in the second direction; the second direction is opposite to the first direction; the pressure valve is movably arranged in the spraying cavity and is used for sealing the first thrust spraying hole or the second thrust spraying hole; and the pressure valve has a first state for sealing the first thrust spray hole and a second state for sealing the second thrust spray hole. By arranging the movable pressure valve, switching between closing of the first thrust spraying hole and closing of the second thrust spraying hole is achieved, then switching between forward rotation and reverse rotation of the rotary spraying arm is achieved, the structure is simple, and reduction of the manufacturing cost is facilitated. And the movement of the pressure valve is realized through the change of water pressure, so that the conversion control operation of forward rotation and reverse rotation of the rotary spraying arm is simple, and the conversion speed is high.

The utility model relates to the technical field of water coolers, in particular to a heat dissipation system of a water cooler, which comprises a heat dissipation water tank, a cooling coil, a compressed gas pipe group and an exhaust assembly, a heat dissipation cavity used for storing tap water is formed in the heat dissipation water tank, the cooling coil is located in the tap water in the heat dissipation cavity and used for allowing fluid needing to be cooled to pass through, circulating pipes used for being connected with the water circulating assembly are arranged at the top and the bottom of the heat dissipation cavity, and the compressed gas pipe set is connected with a gas source for conveying compressed gas. The compressed gas pipe set is installed on the cavity wall of the heat dissipation cavity and used for introducing compressed gas into tap water, and the exhaust assembly communicates with the top of the heat dissipation cavity and used for exhausting gas in the heat dissipation cavity. Compressed gas is introduced into tap water through the compressed gas pipe set, so that the tap water is stirred, the water flow conversion speed around the cooling coil pipe is increased, heat dissipation of the cooling coil pipe is accelerated, the utilization rate of water resources in the heat dissipation water tank is increased, and energy is saved.

The invention aims at providing a reinforced conical shell structure design method, system, equipment and medium based on a Bayesian optimization algorithm aiming at challenges of an existing reinforced conical shell structure optimization design method in the aspects of calculation efficiency, resource use and development time, so that the number of finite element simulation evaluation is reduced, and the design efficiency is improved. Therefore, the design period is shortened and resource consumption is reduced. According to the technical scheme, the reinforced conical shell structure design method based on the Bayesian optimization algorithm comprises the specific implementation steps of defining design variables, determining an optimization target, constructing a training sample set, creating N groups of weight vectors, randomly selecting # imgabs0 # group weight vectors, conducting parallel optimization, updating the sample set and judging termination conditions. According to the method, the simulation evaluation frequency is remarkably reduced, and the calculation cost is reduced; the problem of high-dimensional multi-objective optimization in engineering is efficiently solved, and the design precision is improved; through a Pareto optimization strategy, falling into a local optimal solution is effectively avoided; and the design period is shortened.

The invention discloses a method for offsetting sampling noise for a two-stage analog-to-digital converter and the analog-to-digital converter. The two-stage analog-to-digital converter comprises a multi-bit SAR ADC (Synthetic Aperture Radar Analog to Digital Converter) serving as a first stage, an incremental multi-bit order configurable Noise Shaping SAR ADC serving as a second stage and a configurable floating voltage domain amplifier serving as an inter-stage amplifier, wherein the interstage amplifier is arranged between the first stage and the second stage, the input end of the interstage amplifier is connected to the top plate of the CDAC in the first stage, and the output end of the interstage amplifier is connected to the top plate of the CDAC in the second stage. By designing a sampling noise offset method, an interstage amplification linearity enhancement method based on two-step conversion and an interstage amplifier gain digital calibration method based on jitter, the conversion speed and precision of the analog-to-digital converter are improved.

The present invention relates to a noise shaping successive approximation analog-to-digital converter, and in particular to a first-order NS-SAR ADC and an analog-to-digital conversion method based on sampling noise suppression technology, which is used to solve the problem that the existing NS-SAR ADC usually suppresses sampling noise by increasing the size of input capacitors in order to meet the signal-to-noise ratio requirements, and the large input capacitors make the design cost of ADC input drivers and reference buffers very high, and increase the design complexity of ADC input drivers and reference buffers. The first-order NS-SAR ADC based on sampling noise suppression technology includes a power supply module, a capacitor array, a sampling noise suppression structure, a first-order passive noise shaping structure, a comparator and digital logic. The present invention uses sampling noise suppression technology to reduce the area and power consumption of the capacitor array, reduce the design difficulty of the input reference level, and use oversampling and noise shaping technology to improve the accuracy of the analog-to-digital converter.

The application belongs to the technical field of analog-digital mixed integrated circuits, and particularly relates to a pipeline-structured sampling, quantization and amplification parallel analog-digital converter. A pre-stage of the application adopts a pre-quantization technology, sampling is simultaneously performed through a MAIN CDAC and a first-stage sub-ADC, the first-stage sub-ADC ends sampling in advance, and quantization is started during the continuous sampling of the MAIN CDAC, so that the serial waiting time of sampling and quantization of the first stage is reduced. The MAIN CDAC switches according to a D OUT1 <1:N1‑K> and a K-bit pseudo-random code D GUESS <1:K> to generate a randomized residual voltage V RES . After the first-stage sub-ADC completes the N1-K-bit code word D OUT1 <1:N1‑K>, the residual voltage V RES between stages is amplified without waiting for the first-stage quantization to be completed; and a voltage compensation logic compensates for the residual voltage error introduced by the guessed code word. The low-K-bit quantization process of the first-stage sub-ADC, which is serially executed, and the inter-stage residual amplification process are executed in parallel, so that quantization and amplification are parallelized, and the overall conversion speed of the ADC is improved.

The utility model discloses an automatic stirring wok which comprises a mounting frame, two supporting columns, two switching mechanisms, two rotating rod mechanisms, an external mechanism, a rotating plate, a ball barrel and a covering mechanism, the two supporting columns are mounted at the top of the mounting frame, the switching mechanisms are mounted on the supporting columns, one end of each rotating rod mechanism is mounted on the corresponding switching mechanism, and the other end of each rotating rod mechanism is mounted on the corresponding external mechanism. The other end of the rotating rod mechanism is mounted on the external mechanism, the rotating rod mechanism comprises a rotating seat, a first rotating shaft, a first connecting rod, a second rotating shaft and a second connecting rod, the first rotating shaft is connected with the rotating seat, the first connecting rod is connected with the first rotating shaft, the first connecting rod is L-shaped, the other end of the first connecting rod is connected with the first rotating shaft in a sleeving manner, and the second connecting rod is connected with the second rotating shaft. Therefore, the phenomenon that food materials are adhered to the stirring rod or the blades in the stirring process can be avoided, mutual pollution of different batches or types of food can be reduced, meanwhile, time and manpower needed for cleaning the stirring device can be reduced, and the conversion speed of different dishes is increased.

The utility model belongs to the technical field of phase-locked loop capture, disclose a kind of phase-locked loop capture device, including temperature compensation crystal oscillator, frequency discriminator phase detector, loop filter, adder, voltage-controlled oscillator, power divider, phase detector, operational amplifier, amplifier and frequency divider;Temperature compensation crystal oscillator is connected with frequency discriminator phase detector, frequency discriminator phase detector is connected with adder by loop filter, adder is connected with voltage-controlled oscillator, voltage-controlled oscillator is connected with delay line by power divider, and one road is connected with phase detector;Wherein, phase detector is connected with adder by operational amplifier.The utility model initial locking voltage adopts phase discrimination conversion mode, with fast conversion speed, pre-set voltage precision higher advantage.Shorten the time of phase-locked loop capture while not influence phase noise and other indexes, and simplify circuit structure and space layout, so that application is more simple and convenient, cost is also reduced.In circuit design and structure form, it is more flexible, easy to expand.