57results about How to "Clear connection" patented technology

The invention relates to an indoor WLAN signal map drawing and mapping method based on image edge detection signal correlation. The method includes the step that firstly, RSS sequences collected by a random user are utilized to construct clustering charts of received signal strength (RSS) sequences through spectral clustering; secondly, a signal logic diagram of the random user in a located object area is constructed by the utilization of the image edge detection method; next, mapping between RSS clustering nodes in the signal logic diagram and area position nodes in a physical environment diagram is established according to corresponding mapping rules; finally, position estimation on a target user is achieve by the utilization of the mapping relation between the signal logic diagram and the physical environment diagram, and meanwhile the signal logic diagram and the physical environment diagram are drawn by the utilization of drawing techniques. The method has the advantages that the readability of the diagrams is improved, and the connection relation between the nodes in the signal logic diagram and the nodes in the physical environment diagram are clearer.

The invention discloses a movable-type static synchronous compensator with a compact structure design. The compensator has high compensation capacity and rapid adjusting speed and compact structure, is convenient for transportation, and can be rapidly transferred, installed and put into operation at the urgent place needs reactive power support, thus the planning, the arrangement and the operation of a dynamic reactive power compensation device of a power grid are more flexible and effective. The movable-type static synchronous compensator comprises three functional module containers with the same structure, an auxiliary equipment container and a movable base, wherein, the functional module container comprises a single-phase converter chain and a converter chain arrester; the auxiliary equipment container comprises a control protective system, a water-cooling system and a three-phase starting loop; and the movable base comprises a connection reactor, a main breaker, an isolation switch and an earthed switch. The compensator provided by the invention has the obvious advantages of rapid response speed, wide adjustment application, low harmonic output content, adoption of compact design, mobility, less occupation area and the like.

The invention provides a transceiving switch antenna array module for an active millimeter wave imaging system. The transceiving switch antenna array module comprises a transmitting antenna array, a receiving antenna array, an isolation strip, a transmitting switch array and a receiving switch array; the transmitting antenna array, the receiving antenna array and the isolating strip are structurally integrated into a whole module, and comprise a 24-path transmitting antenna unit and a 24-path receiving antenna unit; the shape of the transmitting switch array and the structure of the receivingswitch array are consistent, wherein each of the transmitting switch array and the receiving switch array is provided with a 24-path transmitting channel and a 24-path receiving channel separately; the transmitting antenna array, the receiving antenna array, the transmitting switch array and the receiving switch array are fixedly assembled to form a radio frequency transceiving front-end basic function module; a power amplifier PA is arranged at the front stage of a single-pole three-throw switch SP3T in the transmitting switch array, and the saturation output power is 20 dBm; and a low-noiseamplifier LNA is arranged between a single-pole eight-throw switch SP8T and the single-pole three-throw switch SP3T in the receiving switch array.

A three-dimensional knitted side boundary device comprises an opening mechanism, a weft guiding mechanism, a weft sliding mechanism and a weft fixing mechanism. During use, the opening mechanism achieves warp opening through vertical stagger of different heald frames; the weft guiding mechanism enables weft to advance through a weft guiding rod and a weft guiding hook to pass through a weft opening, the weft sliding mechanism and the weft fixing mechanism drag the weft passing through the warp opening so that subsequent knitting and tightening can be facilitated, and especially when a weft taken preventing device is additionally arranged, the connection success rate of weft among vertical push rods and side boundary rods can be increased. The three-dimensional knitted side boundary device is simple in structure and high in working efficiency and precise control degree, the warp opening effect is good, the weft taken preventing function is good, and environment friendliness is good.

The invention provides a current detection device, system and method. The current detection device comprises a current signal port, a first sensing device and a second sensing device, the first sensing device detects a current passing the current signal port and obtains a first current detection signal, the second sensing device detects a current passing the first sensing device and obtains a second current detection signal, the first sensing device includes a high-precision shunting resistor, and the second sensing device includes a Hall current sensor or a flux gate sensor; and a controllerin the current processes the first and second current detection signals to obtain a final detection signal. According to the invention, the high-precision shunting resistor serves as a main current collection sensor, the sampling precision can reach 0.5%, requirements of a battery management system can be met, the Hall sensor serves as a redundant current sampling portion, the cost of a current scheme of a double AD sampling high-precision shunting resistor is reduced.

The invention discloses a component correlation analysis method and device based on a variable propagation technology and a medium, and aims at solving the problems that a user does not fully utilizecomponents in a component library, combination application among the components is not fully mined, and the value of the components cannot be fully exerted. The method comprises the steps of determining other components associated with a to-be-associated component according to component description information corresponding to the to-be-associated component stored in a component library; accordingto the determined other components associated with the to-be-associated component, establishing an association relationship between the other components and the to-be-associated component; and determining the relevance between other components and the to-be-associated component according to a variable propagation technology. By analyzing the relevance between the components, the tightness degreeof connection between the components can be determined, a user can visually know the influence relation of complex intersection between the components, and therefore deep application of a component system can be achieved.

The invention discloses an intelligent agricultural monitoring system of the local-area internet of things and relates to the technical field of monitoring systems. The system comprises an informationacquisition carrier, a plurality of information acquisition units, a general processor, a data comparison module, a data storage module, an air temperature sensor, an illumination sensor, an air humidity sensor and the internet of things, the information acquisition unit comprises a PH value sensor, a soil temperature sensor, a soil humidity sensor and a processor, and the PH value sensor, the soil temperature sensor and the soil humidity sensor are all connected with the processor through data information transmission lines. According to the intelligent agricultural monitoring system in theinvention, the PH value sensor, the soil temperature sensor and the soil humidity sensor are arranged in the information acquisition carrier in a unified mode, when the soil information requires to beacquired, the PH value sensor, the soil temperature sensor and the soil humidity sensor just need to be placed in corresponding storage tanks by the working personnel, and then unified detection is carried out, so that the working efficiency is improved.

The invention relates to an application of a chymotrypsin preparation in treating oral ulcer. According to the invention, the preparation comprises 0.1-30 parts by weight of chymotrypsin and 70-99.9 parts by weight of a solid excipient which is selected from carboxyvinyl polymer (Carbopol), hyaluronic acid, poly(aspartic acid), gum Arabic, citric acid, sodium alginate, acrylic resin, magnesium stearate, starch, or a combination thereof. The oral ulcer preparation is a solid or semi-solid preparation. In the preparation, the content of the raw material chymotrypsin is higher than 95.0%. The preparation can be powder or tablets. The invention also provides a preparation method of the preparation. The oral ulcer preparation provided by the invention is advantaged in simple application, good curative effect, and long action duration.

The invention discloses an LED display and an LED control system. The display comprises an LED display panel and a display drive circuit. The display drive circuit consists of a switching circuit, a drive circuit and a control circuit; a first terminal of one of the switching circuit and the drive circuit is connected to a power terminal of a power supply unit and a first terminal of the other one of the switching circuit and the drive circuit is connected to a grounding terminal of the power supply unit; a second terminal of one of the switching circuit and the drive circuit is connected with an anode of the LED display panel and a second terminal of the other one is connected with a cathode of the LED display panel. The control circuit includes a power supplying control circuit and a drive control circuit; the power supplying control circuit is connected with a third terminal of the switching circuit of a power supplying control port; and the drive control circuit controls conduction or cutting off of the drive circuit. According to the invention, the switching circuit, the drive circuit and the control circuit are integrated to the display drive circuit; and effects that the area of the panel occupied by the control circuit of the LED display is small, the design is simple, and the refresh rate is high can be realized.

A switching method and a switching apparatus in a telecommunication network for connecting physical endpoints via a through switch connection, wherein the through switch connection is composed of legs and a leg connector, and a leg is composed of services and subconnections between the services. A leg being terminated by termination points and comprising specific services is formed by leg control means, and the specific services and subconnections between the specific services which form the leg are provided by connection control means, the services being terminated by termination points. Further, connection admission control means accept connections being part of the through switch connection.

The invention discloses a method for connecting a DTU equipment cabinet and a switch cabinet. According to the method, the DTU equipment cabinet and the switch cabinet are adopted and are connected through cables. Control loop cable and alternating current loop cable installing holes in the DTU equipment cabinet and the switch cabinet are respectively formed at the upper end and the lower end of the equipment cabinet, and all circuits can be clearly and definitely sorted for installation. The method has the advantages that the structure is simpler, during the installation of each circuit, all circuits can be clearly and definitely connected, and the connection is simpler and more convenient.

The present invention relates to a PCR detection system, a kit and a detection method for detecting vibrio parahaemolyticus. The PCR detection system comprises a first primer pair and a first detection probe for detecting tlh gene, a second primer pair and a second detection probe for detecting tdh gene, and a third primer pair and a third detection probe for detecting ureR gene. The PCR detectionsystem for detecting the vibrio parahaemolyticus is based on simultaneous detection of three genes of the tlh, tdh and ureR, and can accurately distinguish specific types of the vibrio parahaemolyticus. The PCR detection system has good compatibility, very high specificity and sensitivity, and a detection limit of 15 copies/ml. At the same time, the PCR detection system can directly use cells asa template for detection, and a detection effect is equivalent to that of using DNA as a template. Therefore, a one-step method from samples to detection can be achieved without DNA extraction of thesamples.

The invention discloses a heterogeneous rigid-flexible board. The heterogeneous rigid-flexible board comprises rigid printed boards, flexible printed boards and inter-board connectors. The inter-boardconnectors for controlling the stacking height between every two adjacent rigid printed boards are welded to one ends of the rigid printed boards. The adjacent rigid printed boards are in signal communication through the inter-board connectors. One ends of the flexible printed boards are connected to the rigid printed boards, and the other ends of the flexible printed boards are connected to board cards detachably. The rigid printed boards and the board cards, which are connected correspondingly, are in signal communication through the flexible printed boards. The heterogeneous rigid-flexibleboard has the advantages that personalized and customized design demands can be met, limited workpieces can be fully utilized for optimal design, and the heterogeneous rigid-flexible board is simplein structure and has high market competiveness. The invention further discloses a multilayer board card manufacture method based on the heterogeneous rigid-flexible board. The multilayer board card manufacture method has the advantages of simple process and high working efficiency.

The invention discloses a bridging electrical cabinet and belongs to the field of electrical cabinet technologies. The bridging electrical cabinet comprises a cabinet body, wherein the cabinet body isdivided by a transverse plate into an upper cabinet part and a lower cabinet part, a plurality of circuit boards are installed on a backboard of the cabinet body, and a bridging trunking is installedbetween every two adjacent circuit boards; each bridging trunking comprises a bridging trunking part and a trunking part, wherein the two ends of the bridging trunking part are provided with arc-shaped slot frames respectively, the arc-shaped slot frames are installed on the backboard through screws, the trunking part is installed between the two arc-shaped slot frames, and the two ends of the trunking part are installed on the backboard through bolts; and a lateral slot is installed on the periphery of the plurality of circuit boards. According to the bridging electrical cabinet, by arranging the bridging trunkings on the backboard where the circuit boards are densely installed, the density and disorder of connecting wires in a single trunking are reduced, and wiring in the electrical cabinet is clearer.

The invention belongs to the technical field of illuminating equipment, and discloses a heat dissipation illuminating lamp base convenient to overhaul. The lamp base comprises a dustproof lamp base, the top of the dustproof lamp base is provided with a connection shaft sleeve, a wire burying device and heat dissipation through holes, the wire burying device is arranged among the heat dissipation through holes, an installation support is installed in an inner cavity of the connection shaft sleeve, two sets of limiting clamping plates, an elastic part and a heat dissipation fan are arranged in an inner cavity of the dustproof lamp base, and an LED illuminating lamp installation plate is arranged between the two sets of limiting clamping plates. Since the wire burying device is arranged on the top of the dustproof lamp base, arrangement is convenient when an installation circuit inside the dustproof lamp base is connected to the outside world, connection between a connection circuit inside the dustproof lamp base and the outside world is clear, a circuit maintainer can overhaul and maintain or repair the circuit inside the dustproof lamp base in the later period conveniently, the maintenance or repair difficulty is reduced, the labor cost is reduced, and the later-period maintenance cost is reduced.

The invention discloses a timer. The timer comprises a power indicator lamp, a control plate, a regulation and control key, a drawing block, a display screen, a timer main body, an outer wall, a through hole, a buckle, a battery cover plate, a power switch, a supporting leg, a retractable cavity, a supporting plate, a damping sponge, a circuit board, a support frame, a battery box, a cavity and abase, wherein the outer wall is mounted on the outside of the timer main body; the through hole is formed in one side of the outer wall; the drawing block is mounted in the outside of the outer wall in an inlaid manner and is connected with the supporting leg through the retractable cavity; the support frame is mounted on one side of the drawing block and is mounted in the cavity in an inlaid manner; the base is mounted at the bottom of the cavity; the battery box is mounted in the base; the bottom of the battery box is connected with the battery cover plate through the buckle; and the batterycover plate is mounted on one side of the timer main body. The timer is assembled and supported, and has damping and antifogging functions, and use convenience is improved.

The invention relates to the technical field of data mining, and discloses a reasoning research system and method for path analysis based on a knowledge graph, and the system comprises a text information set building module which is used for collecting current information and building a text information set. And the graph type acquisition module is used for acquiring a knowledge graph analysis type and a path rule. And the map source acquisition module is used for acquiring a map source. And the map block extraction module is used for training and obtaining the map block A from the text information. And the relation acquisition module is used for constructing the Aij relation of the map blocks to obtain a block relation. And the knowledge graph construction module is used for constructing a knowledge graph according to the graph blocks Aij and constructing a graph block connection relationship according to the block relationship. The knowledge graph is constructed according to the graph blocks, the relation between the graph blocks is calibrated, and the efficiency and quality of knowledge graph construction are improved.

The invention, which belongs to the field of electronic protection alarm equipment, particularly relates to a radar alarm safety fence comprising a warning device, a supporting rod, a supporting rod connector, a base, a hanging ring and a warning tape. The warning device is movably connected with the top end of the supporting rod through the supporting rod connector based on threads, the base is movably connected with the bottom end of the supporting rod through the supporting rod connector based on threads, the hanging ring is arranged on the supporting rod, the warning tape is connected withthe installed warning device, and the supporting rod and the base form a safety fence. The radar alarm safety fence is simple in structure, flexible to use, reliable in performance, convenient to install, low in requirement for the ground and strong in radar signal; all on-site personnel are reminded through alarm, so that hidden danger of the personnel in work is eliminated, and high safety is guaranteed.