243results about How to "Consistent time" patented technology

The invention belongs to an operating method for an olefin conversion device and relates to a device for preparing olefin such as methanol to olefin (MTO) and methanol to propylene (MTP) by using organic oxides such as methanol, dimethyl ether and the like. The method is characterized by comprising the following steps that: when the device is operated, catalysts of a reactor 2 and a regenerator 3are respectively introduced from respective catalyst tank and are added in two paths; and the catalysts respectively added into the reactor and the regenerator are heated depending on an external heat source and a heating medium which are independently arranged, namely, the reactor 2 is provided with an operating steam superheater 1 to heat the catalyst by using high-temperature steam and the regenerator 3 is provided with an auxiliary combustor to heat the catalyst by using high-temperature air. When added, the catalysts are not transferred from the regenerator 3 to the reactor 2, namely thecatalysts are not transferred between the reactor and the regenerator.

The invention discloses a preparation method of raw vine root whole powder, which is characterized by comprising the following steps of: taking the vine root without removing skins and fibrous roots as raw materials, cleaning, slicing, then cleaning sediment at cleaned gaps, then carrying out color protection, enzyme inactivation, rinsing, drying, secondary crushing and packaging and obtaining a finished raw vine root whole powder product with high content of flavonoid compounds and high content of cellulose. In the preparation method, the vine root whole powder is taken as a raw material, various health-care foods containing the vine root can be processed, and no limitation exists on the time and the region.

This invention discloses a channel allocation method in wireless LAN system, which comprises setting duration time to make sending user and receiving user complete data package interactive processing at least for one time; sending user obtained the chance to access in channel and receiving user continue to exchange data packages during set time and quit the channel when time exhausts, then it turns to the step that users compete the chance to access in channel. The invention can overcomes that the low-speed user affects the throughput of high-speed user, and increases channel utility throughput of whole system.

The invention relates to the technical field of security of computer networks, in particular to a realization method for reasonable construction and correct parse of a communication data package based on an alarm system. Fixed-length data package header identification is used as data package feature identification, the length of a fixed-length data package is set at the rear of the data package header identification, the system can parse the finial size of the package according to the length of the data package after receiving data and then parse out the whole data package, and the size of the whole package can be known without traversing to the end of the package. A coding scheme of abstract syntax markup is used for coding to divide the data into the operation type of Cmd and the operation content of Value, wherein Key corresponds to the header of data package, Length corresponds to the data length, Cmd and Value both correspond to the data, Key, Length, Cmd and Value are coded through the coding and the decoding rule to form a bit stream data package, and the data content is encrypted and decrypted through a special encryption protocol. The security and the transmission speed are obviously promoted.

The invention discloses a vacuum compression molding device for a carbon fiber composite. The vacuum compression molding device for the carbon fiber composite solves the problem that the performance of a carbon fiber composite molded test piece is poor and comprises an upper mechanism, a lower mechanism, a vacuumizing device, a temperature control device, a pressure control device and a numerical control operation platform. The upper mechanism is installed at the top end of guide posts installed in the lower mechanism through an upper heat conducting plate. Top-pasted type pressure sensors of the pressure control device adhere to the bottom face of the upper heat conducting plate and are connected with the numerical control operation platform through wires. Bottom-pasted type pressure sensors of the pressure control device adhere to a lower heat conducting plate and are connected with the numerical control operation platform through wires. Upper temperature sensors of the temperature control device adhere to the two sides of an upper male die of the upper mechanism and are connected with the numerical control operation platform through wires. Lower temperature sensors of the temperature control device adhere to the two sides of the upper surface of a lower female die and are connected with the numerical control operation platform through wires. The vacuumizing device is installed on a vacuum compression molding device base on the left side of the lower mechanism, and a one-way valve of the vacuumizing device is installed on the lower female die. The numerical control operation platform is installed on the right side of the lower mechanism.

The invention provides an elevator-scene-based binocular camera face identification and authentication system. The system comprises a binocular image acquisition device, a processor and a comparison data platform, the binocular image acquisition device comprises an RGB camera device and an IR camera device which conduct real-time synchronous acquisition on video images entering the identificationrange, the output ends of the RGB camera device and the IR camera device are connected to the processor, acquisition results are sent to the processor, the processor conducts face identification and data processing on the acquisition results of the RGB camera device and the IR camera device, comparison is conducted with data stored in the comparison data platform, and whether authentication is conducted or not is judged. The invention further provides an elevator-scene-based binocular camera face identification and authentication method. Accordingly, face image acquisition is conducted throughtwo different kinds of image acquisition devices, whether a living face or a photo or video which is used for camouflage exists can be judged, and then the security of elevator control authenticationis guaranteed.

The invention relates to a magnesium alloy/carbon steel pipe composite connection method based on induction heating and electromagnetic forming. A warm electromagnetic forming method is utilized to increase the magnesium alloy forming performance, additionally, electromagnetic induction heating and electromagnetic forming are combined, the induction heating and forming functions are realized by utilizing a same coil, so as to increase the connecting efficiency of a heterogeneous metal tube and facilitate the automation control, and additionally, a warm forming process and an electromagnetic forming process are combined during forming, so that the connecting forming performance is increased. According to the magnesium alloy/carbon steel pipe composite connection method, a magnesium alloy pipe is overlapped with a carbon steel pipe, and after the magnesium alloy inner pipe reaches the set temperature through the electromagnetic induction heating of the coil, the magnesium alloy inner pipe is discharged by the electromagnetic forming coil, so that severe plastic deformation of the magnesium alloy inner pipe occurs, and the magnesium alloy inner pipe after plastic deformation collides and connects with an outer pipe. According to the method, the electromagnetic forming coil is instantaneously discharged through an energy storage capacitor, so as to generate a strong pulsed magnetic field, so that the warm inner pipe is formed at high speed under the action of electromagnetic force and collides with the carbon steel outer pipe with higher rigidity at high speed to generate combination.

The invention provides a card sorting device and an automatic electric writing device with the same. The card sorting device comprises a card sorting plate and a rotating shaft, wherein the rotating shaft is horizontally positioned at the lower part of the card sorting plate; the card sorting plate is divided into two layers, namely, a first layer for installing an identification card temporary storage slot, and a second layer for installing a card storage slot, and the first layer can be rotated relative to the second layer; bulges, which are arranged along the circumference, are arranged at the lower bottom part of the first layer of the card sorting plate; a card pushing device for pushing an identification card out of the temporary storage slot is arranged on the card sorting plate; cam mechanisms in match with the bulges at the lower bottom part of the first layer of the card sorting plate are arranged at the end part of the rotating shaft; the automatic electric writing device comprises a base, a card feeding device, a card writing device, an information verifying device, an information processing device and the card sorting device, and the information processing device is positioned in the base; the card feeding device is positioned on the base; the card writing device and the information verifying device are positioned at the upper part of the card feeding device; and the card sorting device is positioned at the tail end of the card feeding device. The card sorting plate has the advantages of being stable, high in sorting capacity, high in efficiency, and small in size.

The invention discloses a non-polar hydrogen mixed gas DC (direct-current) arc extinction system for a DC contactor. The DC arc extinction system comprises a moving contact, four pairs of moving and static arc striking contacts, a static contact, a grid group and a permanent magnet. The non-polar hydrogen mixed gas DC arc extinction system is non-polar, namely the arc extinguishing property can not be influenced by the change of the current direction. According to the non-polar hydrogen mixed gas DC arc extinction system, the arc striking contacts strike electric arc to smoothly move along a track of the arc striking contacts, the arc striking contacts, the grid group and the permanent magnet are reasonably arranged, and the electric arc between the moving contact and the static contact is better and rapidly extinguished, thus the short circuit caused by sudden reversing of current is solved, and the breaking capacity is further improved. Hydrogen or a hydrogen mixed gas can be inflated into the non-polar hydrogen mixed gas DC arc extinction system for realizing arc extinguishing.

The invention provides a selenium-rich culture medium for hericium erinaceus. The selenium-rich culture medium for hericium erinaceus is mainly prepared from wood flour, bran, selenium-rich fungus grass and gypsum. The invention further provides a method for producing hericium erinaceus with the selenium-rich culture medium for hericium erinaceus. A traditional production method of a hericium erinaceus strain is changed, a liquid strain technology is utilized in hericium erinaceus strain production, and a selenium-rich liquid strain is prepared; meanwhile, the solid selenium-rich culture medium and a secondary selenium enrichment method are adopted, and produced hericium erinaceus is high in selenium content and high in nutritive value. Production efficiency is improved, and production cost is greatly reduced; besides, the production method is simple in process, and the produced strain is high in utilization rate and low in contamination rate.

The present invention discloses a clock synchronization method and device applied to a vehicle-borne terminal. The method and the device are applied to the MCU arranged in the vehicle-borne terminal. Through the method and the device, the MCU receives the message data transmitted by a CAN bus, the message data is analyzed, the first time comprised in the message data is obtained, the first time and the second time stored by an RTC are compared, and when the first time and the second time are different, the time stored by the RTC is adjusted to the first time. Through the invention, the adjustment of the RTC by the MCU is realized, the time stored by the RTC after adjustment is the first time, the first time is the time generated by the terminal arranged in the vehicle, thus the time obtained by the MCU is consistent with other terminals arranged in the vehicle, and the problem of a large deviation between the time obtained by the MCU and an actual time in the prior art is solved.

The invention provides a video scaling method based on block segmentation and frame-by-frame optimization and relates to common image data processing. The method is characterized by segmenting a videosequence into N video subsequences according to shot cut, and carrying out scaling and optimization on the video subsequences in the horizontal direction and vertical direction respectively. The method comprises the following steps: inputting a video, and carrying out shot segmentation according to shot switching frames; tracking a video main body target in each video subsequence to obtain a video trajectory tracking box of the corresponding video subsequence; uniformly dividing the whole frame of video into x column-wise sub-blocks; merging labels and finally obtaining a frame of video imageframe fj_pt and a frame of shadow image frame gj_pt; carrying out frame-by-frame optimization based on scaling proportion; scaling a protection area and a non-protection area in the video image framefj_pt and the shadow image frame gj_pt according to the proportion respectively; and carrying out frame-by-frame optimization based on the main body target position. The method overcomes the defectsof video jitter and serious inconsistency between the target image and an original image in video scaling in the prior art.

The invention relates to a casting technology capable of reducing the hardness difference of a traction wheel rope groove face. The casting technology comprises the following technical steps: manufacturing an upper sand box; manufacturing a lower sand box; making a core; milling a molten iron casting passage; assembling a mould; (f) casting; cleaning. A water inlet is formed in the sand core of an inner cavity in a milling manner, so that a feed head is in multi-point communication with a sand cavity; on one hand, the sand core of the inner cavity is positioned in the center of the cavity, and thus casting molten iron flows in from the middle of the cavity; one the other hand, the feed head is in multi-point communication with a sand cavity, so that the times spent on the molten iron in different directions reaches the same horizontal plane of the rope groove face are the same, the temperatures at the circle of the rope groove face are small in difference and relatively uniform, the subsequent solidification processes are basically the same, the hardness difference of the traction wheel rope groove face is reduced, and the product quality of castings is improved.

The invention provides a liquid fermentation culture medium for shiitake mushrooms. The liquid fermentation culture medium is composed of main raw materials including bran, bean pulp, glucose, monopotassium phosphate, magnesium sulfate and sodium carboxymethylcellulose. The invention further provides a method for producing the shiitake mushrooms through the liquid fermentation culture medium for the shiitake mushrooms with the liquid strain technology. By means of the liquid fermentation culture medium and the method, a traditional method for producing shiitake mushroom strains is changed, the liquid strain technology is adopted in shiitake mushroom strain production, the production efficiency is improved, and the production cost is greatly saved; in addition, the production method is simple in technology, the produced strains are high in use rate, and the pollution rate is low.

The invention discloses a method of making records in a synchronous way for a work master station and a spare master station. Steps included are as follow: a SOE work master station sends a hardware synchronous pulsing signal to a SOE spare master station; the SOE work master station sends an absolute time required to send the hardware synchronous pulsing signal to the SOE spare master station; the spare master station calculates time difference (Delta t) between the time (T1) of receiving the hardware synchronous pulsing signal and the absolute time required to send the hardware synchronous pulsing signal. The spare master station judges the time difference (Delta t). When the absolute time difference (Delta t) is beyond a specified limit to an extent, the SOE spare master station perform time compensation; the SOE work master station sends the original record from a SOE slave station to the SOE spare master station. The invention can help the work master station and the spare master station make records in a synchronous way, realizing a redundant function of the SOE spare master station for the SOE work master station.

The liquid crystal display- panel drive circuit comprises a plurality of scanning lines, a plurality of first data lines insulated intersecting the scanning lines, a plurality of film transistors at the cross point of the scanning lines and the first data lines, a scanning drive circuit, a data drive circuit, an access unit and an output control unit. The scanning drive circuit is used for producing a plurality of scanning signals. The data drive circuit is used for producing a plurality of data signals. The access unit is used for accessing multiple signals output by the data drive circuit. The output control unit is used for receiving the data signals accessed by the access unit and controlling the time for outputting the data signals to the first data lines to make the time in accordance with turn-on time of multiple film transistors.

The invention discloses a management method and system for the wireless sensors of a power environment monitoring system. The method comprises the steps of obtaining the activity records of more thanone wireless sensor subordinate to a collection site before the current moment from the collection site; evaluating the residual electric quantity of the corresponding wireless sensor according to theactivity record before the current moment; and according to the residual electric quantity of the wireless sensor, increasing or decreasing the acquisition and reporting frequency of the wireless sensor so as to reduce or increase the power consumption speed of the wireless sensor. According to the invention, the residual electric quantity of the sensor can be estimated, and the power consumptioncompletion time of the wireless sensors subordinate to the same collection station is basically consistent, so that the maintenance workload of the workers of the wireless communication battery powersupply sensors can be reduced.

The invention discloses a braking device for a motor driven mechanism. The braking device has a structure that includes a rotating shaft, a rotor core, electric brushes, a bearing, a commutator segment, a rear end cover, a housing, a stator winding, a stator core, a winding coil, an iron core, a coil, an armature, rollers I, an upper guide rail, a limit block, an upper brake pad, a blade, a connecting rod I, a lower brake pad, rollers II, a lower guide rail, a front end cover, a spring, a slotting, a baffle, a vertical plate, connecting rods II, and a hinge. The rear end cover is embedded to the rear end of the housing. The front end cover is arranged at the front end of the housing and connected with the housing through a bolt. The rotating shaft penetrates through the front end cover. The rotating shaft is arranged on the central axis of the housing. According to the invention, the braking device for the motor driven mechanism is capable of quickly braking the rotating shaft throughthe upper brake pad and the lower brake pad, with small energy loss and with no need to worry about the aging of the spring, the spring at the bottom of the lower brake pad enables the lower brake padto rise more quickly, and through the acceleration of the rising process, the rotating shaft can be quickly braked.

The invention relates to the technical field of kitchen utensils, and discloses a product filling device suitable for different concentrations based on the displacement differential motion principle.The product filling device comprises a supporting seat, and the upper portion of the supporting seat is movably connected with a cross rod. A filling barrel and a storage bin are supported, and the product filling device moves inwards to clamp a filling bottle; a bottle body is prevented from inclining or falling down in the filling process, and the stability of the bottle body is increased; and afirst rotary shaft rotates to drive a first gear to vibrate in a second gear, and therefore vibration of the filling bottle is driven, and it is avoided that bubbles are generated in the filling process, and consequently the product quality is influenced. By means of cooperative use of the filling barrel, a sliding plate, a push rod and a second rotary wheel, the filling barrel is driven to movedownwards into the filling bottle, so that filling is more precise, and raw materials are prevented from being spilled; the subsequent push rod moves downwards, and therefore filling is completed; anddue to the fact that the movement time of the push rod is kept consistent all the time, it is guaranteed that quantitative filing is completed.

The invention discloses a data transmission method used for multiple well logging devices and a control device, wherein the multiple well logging devices comprises a first well logging device and a second well logging device. The method comprises the following steps: the first well logging device obtains reference time; the first well logging device sends a time synchronization message; the second well logging device receives the time synchronization message; the second well logging device modifies local time; the first well logging device and the second well logging device print a timestamp for well logging data; and the first well logging device and the second well logging device convey the well logging data to the control device.

The invention relates to the technical field of sand and gravel material soil tests, and discloses a method for determining the maximum dry density of natural-gradation sand and gravel materials for damming. The method comprises the following steps: preparing density barrels according to the size of the sand and gravel material, digging a groove in a test site, laying fine sand on the bottom surface of the groove, and performing static rolling, leveling and compaction; arranging the density barrels at intervals in an extension direction of the groove, and marking positions of center points of the density barrels; manually mixing raw materials according to test required gradation, sequentially filling the density barrels and the groove around the density barrels with the raw materials, performing forward and backward driving vibration rolling for 26 times, performing precise calculation to determine residual rolling times, performing driving vibration rolling again, performing barrel top leveling after rolling completion, measuring the volume of each density barrel, weighing the mass of the sand and gravel materials in each density barrel, and then performing calculation to obtain the maximum dry density of the sand and gravel materials. The method adopts a more reasonable rolling manner, and can rapidly and accurately determine the maximum dry density of the sand and gravel materials, thereby avoiding damage to relevant equipment.

The invention provides a selenium-rich Mythic Fungus medium. The medium mainly comprises wood chips, wheat bran, selenium-rich fungal grass and gypsum. The invention also provides a method for producing Mythic Fungus by using the selenium-rich Mythic Fungus medium. Traditional production methods of Mythic Fungus strains are changed, liquid selenium-rich strains are prepared by using a liquid strain technology in the Mythic Fungus strain production process, and Mythic Fungus produced by adopting the solid selenium-rich medium through a secondary selenium enrichment technology has the advantages of high content of the selenium content, and high nutrition values. The production method has the advantages of production efficiency increase, great saving of the production cost, simple process, high utilization rate of produced strains, and low pollution rate.

The invention relates to an alkene conversion apparatus start-working catalyst adding method. An alkene conversion apparatus comprises: (A) an alkene conversion reactor (3); and (B) a catalyst reactivator (4), wherein the alkene conversion reactor (3) is connected with the catalyst reactivator (4) via a regeneration catalyst conveying pipe and a to-be regenerated catalyst conveying pipe. The method comprises: (a) adding a catalyst into the catalyst reactivator (4), heating and storing heat; (b) when the catalyst reactivator (4) is heated for heat storing, adding a catalyst and heating; (c) after the heating of the catalyst reactivator (4) and the alkene conversion reactor (3) is finished, transferring the catalyst in the catalyst reactivator (4) to the alkene conversion reactor (3). The catalyst adding manner can be flexibly adjusted according to the catalyst temperature in the reactor and in the reactivator by employing the method provided by the invention.

The invention provides a depth map processing method and device. The method comprises the following steps: obtaining a first depth image frame and a second depth image frame adjacent to the first depth image frame, determining a first content value of each first pixel and a second content value of a corresponding second pixel, and obtaining a content difference between the first content value andthe second content value, determining a credible pixel in the first depth image frame according to the content difference, determining a smoothing factor corresponding to the credible pixel, and performing filtering processing on the depth value of the credible pixel according to the smoothing factor and the depth value of the pixel corresponding to the credible pixel in the second depth image frame. Therefore, time-based consistency filtering is carried out on the depth value in the depth slow change area based on the change condition of the depth value. The depth value of the depth smooth area in the time dimension is smoother effectively, and the original high dynamic property of the depth fast change area is kept.