44results about How to "Prevent jumping phenomenon" patented technology

The invention relates to a digital pick-up device for body surface cardiac electric signals, and belongs to the field of medical appliances. The digital pick-up device adopts multiplexing and single-stage single-channel amplifier structures, and is a virtual instrument structure adopting a single-channel A/D convertor to realize synchronous acquisition of twelve-lead body surface cardiac electric signals. The instrument is provided with an isolating communication part and a detachable data storage device, and can meet corresponding medical electrical safety standard. The digital pick-up device has the advantages of small volume, low electric power consumption and low cost, is designed by taking EMC as reference, and is particularly suitable for popularization and application of families.

The invention discloses a battery SOC estimation algorithm. The battery SOC estimation algorithm comprises steps that a maximum SOC value and a minimum SOC value of a battery are acquired, and according to the maximum SOC value and the minimum SOC value, a target SOC value is calculated; a current SOC display value of a SOC display module is acquired, and a difference value between the current SOCdisplay value and the target SOC value is calculated, and the difference value is compared with a preset display threshold value; according a comparison result, the update rate of the current SOC display value during a charging and discharging process is determined, and the smooth change of the displayed SOC value is guaranteed, and the skip phenomenon of the SOC display value is prevented, and user experience is improved.

The invention discloses a phase shift driving device of an electric tiled antenna, which is used for shifting at least one phase shift component of a phase shifter in the electric tiled antenna so as to change the phase position of a signal. The driving device comprises an axially-limited drive rod and a transmission lever, wherein an operating part rotating around the circumference is arranged at the first end of the drive rod; the driving rod is axially arranged with the drive rod and axially moves under the action of the drive rod to drive at least one phase shift component of the phase shifter to synchronously move; the first end of the driving rod and the second end of the drive rod are in mutual threaded mesh and are movably connected; and the second end of the driving rod is linked with the phase shift component of the phase shifter. The driving device has the advantages of simple structure, normal driving work, stable operation, accurate phase position adjustment of the phase shifter and capability of well meeting the requirement of a mobile communication system.

The invention discloses a roadbed reinforcement structure for preventing vehicle bump at bridge head, comprises an anti-settling plate arranged at the middle position of the bridge abutment and the backfill area behind the bridge abutment, wherein the anti-settling plate is connected with the bridge abutment rib plate through the brackets, a lower backfill area is arranged below the anti-settlingplate, an upper backfill area is arranged above the anti-settling plate, and a side of the anti-settling plate far away from the bridge abutment is a general roadbed backfill area. The invention alsodiscloses a construction method of a roadbed reinforcement structure for preventing vehicle bump at a bridge head. In the invention, the anti-settlement plate separates the backfill behind the abutment into two layers, reduces the height of the backfill behind the abutment, further reduces the settlement difference between the rigid abutment structure and the flexible embankment, strictly controlsthe compactness of the backfill on the abutment, thereby achieving the purpose of eliminating the uneven settlement between the abutment and the embankment, and effectively preventing the vehicle bump phenomenon at the bridge head.

The invention discloses a multi-wire vertical-type internal winding machine. The multi-wire vertical-type internal winding machine mainly comprises a machine frame, a tension force control mechanism installed on the machine frame and used for controlling the tension forces of enamelled wires, a vertical-type wire winding mechanism used for embedding the enamelled wires into a stator wire duct, a product rotating mechanism use for fixing a stator and driving the stator to rotate, an incoming wire guiding mechanism used for being matched with the vertical-type wire winding mechanism in the enamelled wire embedding process so as to guide the enamelled wires into the stator wire duct, a wire clamping and arranging mechanism used for limiting the positions of the enamelled wires in the stator wire duct, and a control assembly used for controlling all power sources on the internal winding machine. By adopting the multi-wire vertical-type internal winding machine, full-process automatic winding is carried out on an internal-winding stator, the winding is uniform, and the enamelled wires are prevented from being scratched in the winding process.

The invention discloses a method for preventing and treating bridge abutment trip by using microorganism consolidation liquid and the microorganism consolidation liquid. Microbial flora powder, treatment powder and water are adopted; the microbial flora powder is obtained by drying a bacterial enzyme solution; the treatment powder is obtained by drying inorganic cementing liquid treatment liquid;the bacterial enzyme solution is obtained by adding aerobic bacterial liquid subjected to enrichment culture into a buffer solution and performing ultrasonic crushing; the mass ratio of the microbialflora powder to the treatment powder is (1: 10) to (1: 20); and the mass of the water is 5 to 10 times that of the treatment powder. The method comprises the following steps: delivering the microbialflora powder to the site, mixing and stirring the microbial flora powder with the treatment powder, and adding the water to obtain the microorganism consolidation liquid; and performing consolidationtreatment on bridge abutment soil and bridge back soil for multiple times by using the microorganism consolidation liquid. According to the method, by use of cementation generated by microorganism consolidation, the strength and the rigidity of backfilling soil of the bridge back are greatly improved, so that non-uniform settling is avoided, and occurrence of the bridge abutment trip can be effectively prevented.

The invention belongs to the technical field of rotary encoder mounting, and discloses a rotary encoder fixing device. The rotary encoder fixing device comprises a rotary encoder, a mechanical deviceand a fixing device main body, wherein the rotary encoder comprises an encoder main machine and an encoder shaft; the mechanical device comprises a mechanical main machine and a mechanical shaft; thefixing device main body comprises a matching assembly and a coaxial positioning assembly which are coaxially connected, wherein the matching assembly and the encoder shaft are coaxially mounted, the encoder shaft penetrates through the matching assembly and extends into the coaxial positioning assembly, the coaxial positioning assembly and the mechanical shaft are coaxially mounted, and the mechanical shaft extends into the coaxial positioning assembly and is connected with the encoder shaft. In conclusion, coaxial limiting connection can be effectively formed between the rotary encoder and the mechanical shaft of the mechanical device, so that the mounting accuracy of the rotary encoder is guaranteed, and in addition, the overall structure also has the advantage of being simple and convenient to operate.

The invention belongs to the technical field of communication equipment, in particular to an optical fiber distribution cabinet. The cabinet comprises a cabinet body and a plurality of distribution frames in the cabinet body. A winding mechanism is disposed between the adjacent distribution frames. Each winding mechanism comprises a winding plate, a plurality of winding posts on the winding plate,a plurality of wire sorting grooves disposed on the winding plate, wherein the winding posts are arranged in two rows and multiple columns, and the wire sorting grooves are located between two columns of winding posts. Through the special design of the winding mechanisms, each two winding posts arranged at the top and bottom are set as one group, and the same group of optical fibers are wound around the same group of winding posts, thereby facilitating the reasonable winding of the remaining optical fibers, facilitating the fault inspection, greatly improving the searching speed, and shortening the fault processing time.

The invention discloses a kraft paper protective film winding device. The kraft paper protective film winding device comprises a base and a supporting plate, the base is of a hollow structure, damping springs are fixedly connected to the bottom of an inner cavity of the base, the top ends of the damping springs are fixedly connected with the lower surface of a balance plate, the bottom end of the supporting plate penetrates through the upper surface of the base and is fixedly connected to the upper surface of the balance plate, a motor is fixedly connected to the left side of the bottom face of the inner cavity of the base, and an output shaft of the motor is fixedly connected with a driving wheel. An adhesive strip, supporting rods and clamping bars are arranged on the kraft paper protective film winding device, a protective film is laid on and adheres to the adhesive strip through the adhesive strip and is prevented from wrinkling or being rolled, by means of the clamping bars, the protective film penetrates through the two clamping bars and is fixed to a reel, in the winding process, as the clamping bars are arranged on the oblique upper portion of the reel, the protective film can be kept flat, the cylindrical clamping bars can prevent the protective film from being abraded, and the effect of keeping the protective film flat in the winding process is achieved.

The invention provides a method for solving sliding block jump of a mobile terminal. The method comprises the following steps: inquiring a local database on the mobile terminal and acquiring information of a plurality of pictures to be displayed; according to a set picture display rule, displaying the plurality of pictures by a waterfall flow template; dismantling the waterfall flow template, and making various entries in the template to have at most 3 pictures; and assembling various entries of the dismantled template into a module with more pictures at random, and limiting the height of each entry. Pictures on the waterfall flow template are slid up or down, and a sliding block displayed at a side is linked with a picture data flow. The method for solving the sliding block jump of the mobile terminal provided by the invention has the following beneficial effects that the sliding block is displayed at the side and linked with the data flow, thus specific pictures can be found more conveniently and the phenomenon of sliding block jump can be effectively avoided; besides, in combination with a technology of stopping sliding and loading pictures, better effects of fast loading, less memory consumption, smooth sliding and so on can be achieved.

Provided is a non-setting adhesive cutter, comprising a material placing shaft, a front draw roll used to drag non-setting adhesive, an arc material supporting platform, a rear draw roll used to drag non-setting adhesive, and a cutting knife used to cut the non-setting adhesive. The upper surface of the arc material supporting platform is an arc curved surface, an angle between the upper surface and a horizontal line being 10 DEG.

The invention relates to the field of indoor positioning, and discloses a positioning correction method based on Bluetooth signal single-step robust filtering and approximation discrimination. The method comprises the steps of: building a Bluetooth node network; carrying out parameter initialization configuration; performing gait recognition according to the accelerometer data; dividing and analyzing Bluetooth signal data according to a single-step time period to obtain a Bluetooth node single-step signal intensity sequence; performing single-step signal intensity sequence robust processing onthe signal intensity sequence; respectively comparing the robust single-step signal intensity values with a signal intensity identification threshold value; sorting the single-step signal intensity values of observable Bluetooth nodes, and carrying out approximation judgment on the maximum signal intensity value; and carrying out proximity correction. According to the method, robust processing iscarried out on the signal intensity sequence of the observable Bluetooth node obtained in each step through a single-step robust filtering method, the gross error influence in the signal intensity value is reduced, large-amplitude jitter is eliminated, the problems of frequent error correction and track transfer are avoided, and the pedestrian walking positioning correction precision and reliability are improved.

The invention relates to the field of indoor positioning, and discloses a pedestrian positioning correction method based on distance approximation discrimination Bluetooth. The method comprises the steps of: building a Bluetooth node network; performing parameter initialization configuration on a walker dead reckoning system; obtaining an equipment number and signal intensity of each observable Bluetooth node; performing gait recognition according to the accelerometer data; respectively comparing the signal intensity values of the observable Bluetooth nodes with a signal intensity identification threshold value; acquiring the positions of all observable Bluetooth nodes entering the proximity range of a mobile terminal according to the equipment number; sorting the distances from all the observable Bluetooth nodes entering the proximity range of the mobile terminal to the mobile terminal; performing observable Bluetooth distance approximation judgment; updating the parameters; performing proximity correction; and determining whether to continue positioning. According to the method, the problems that in the prior art, a signal intensity threshold method is large in correction error and has track bounce are solved, and the PDR correction precision and reliability are improved.

The invention discloses a deflection preventing mechanism for clamp automatic machining, and belongs to the field of tool fixtures. The deflection preventing mechanism for clamp automatic machining ischaracterized by being mounted in a machining station of a clamp machining layer, and comprises fixed frames stopped at the most front ends of all machining layers and brackets mounted on the fixed frames and extending to the back ends; one-way gates for limiting backward movement of clamps are arranged at the back ends of the brackets, and can swing left and right; the movable leftmost sides under the one-way gates are contacted with spring pieces; and the clamps are positioned under the spring pieces after entering the mechanism from one-way valves. The deflection preventing mechanism for clamp automatic machining prevents inaccurate positioning caused by deflection of the clamps during milling, is convenient for precise machining, prevents troubles, and is convenient for subsequent continuous automatic machining.