30results about How to "Realize the isolation function" patented technology

The invention relates to message switching equipment for networked settlement of social security and medical insurance. The message switching equipment comprises a plurality of groups of data switching modules which are connected with one another, wherein each data switching module comprises an input unit, an authentication unit, a processing unit, an underlying communication unit, a network segment configuration unit, a journal unit and an output unit, and is connected with a data transmission network or an application server for data transmission and data switching. The message switching equipment adopts a four-layer structure, namely, asocial security and medical insurance networked settlement interface, a data switching layer configuration management device, a central data switching and processing unit and a message switching operation system. The invention aims to achieve real-time networking and unified settlement of a larger administrative region, utilizes the centralized data switching application mode to achieve regional social security and medical insurance networked settlement service, provides a reliable data switching mechanism for social security and medical insurance networked settlement, ensures high efficiency of the networked settlement and data switching, and has a favorable interface expansibility.

The invention provides a disease transmission prevention and control method and system, and the method comprises the steps: taking a to-be-monitored person as a node, and collecting the basic data ofeach node and an adjacent node of the node as node data; taking the nodes with the basic data exceeding a set threshold value as initial infector nodes; constructing an infection graph network on thebasis of the vertex and other node information adjacent to the vertex by adopting an SIR model and taking an initial infected person node serves as a vertex, wherein a plurality of propagation centerstates in the infection graph network are set as infection states I, all other nodes are set as susceptibility states S, and the disease propagation process is simulated; calculating to obtain a source node by adopting a traceability algorithm; and according to the importance degree of other nodes, generating the number of nodes needing to be isolated, outputting labels of the source node and theother nodes at the same time to prevent and control disease transmission. The method is high in disease screening efficiency, disease propagation can be effectively prevented, and effective auxiliarywork is provided for subsequent diagnosis and treatment.

The invention discloses a linear isolator, and relates to the field of signal processing. The isolator comprises a bidirectional rectification circuit, an oscillation circuit, a coupling transmissioncircuit, a demodulation circuit and a triode which are connected in sequence. By adopting the linear isolator, isolation transmission of analog signals or digital signals is realized; positive and negative level signals can be received at the same time, the linear isolator is provided with four ports including an input port, an output port, a first grounding end and a second grounding end, the linear or nonlinear four-port optical coupler can be replaced in situ according to the ratio of 1: 1, the isolation function is achieved, and the linear isolator has the advantages of being small in chipsize, low in power consumption, good in performance and high in reliability.

The invention relates to a high-power high-accuracy power supply with continuously adjustable voltage. The power supply is characterized by consisting of an input smoothing reactor (1), a rectifier bridge (2), a pre-charge loop (3), a common mode suppression reactor (4), an input electrolytic capacitor and discharge device (5), an input voltage detection module VM1, a power unit group (6), an output electrolytic capacitor and discharge device (7) and an output voltage detection module VM2 which are connected in turn, wherein the input electrolytic capacitor and discharge device (5), the input voltage detection module VM1, the power unit group (6), the output electrolytic capacitor and discharge device (7) and the output voltage detection module VM2 are connected with a controller module (8) respectively. The power supply realizes continuously adjustable function of voltage, reduces device loss, improves system efficiency and reliability, has the characteristics of high system integration and processing speed and flexible control mode and can very conveniently adjust parameters such as a protection value and the like.

The invention provides a high-voltage module for a power electronic traction transformer, and the high-voltage module comprises: an insulating housing, wherein the upper, lower, left and right surfaces of the insulating housing are all closed, at least one part of the rear surface is an open surface, and the outer side edges of the front surface and the rear surface are respectively provided witha concentric-square-shaped groove structure; an internal frequency conversion machine core, wherein the internal frequency conversion machine core and the insulating shell are of a nested structure, and the internal frequency conversion module at least comprises a water-cooling heat dissipation assembly, an IGBT assembly, a busbar, a driving assembly, a direct-current capacitor, a control part anda water-electricity integrated rapid plug-pull connector, the water-electricity integrated rapid plug-pull connector is led out from the rear surface, the water-cooling heat dissipation assembly is located in the middle of the high-voltage module and divides high-voltage module into a left area and a right area, cascade side high-voltage IGBTs and inversion side high-voltage IGBTs in the IGBT assembly are arranged on the two sides of the water-cooling heat dissipation assembly respectively, and the IGBT assembly, the busbar and the IGBT driving assembly are sequentially arranged outwards fromthe left side to the right side of the water-cooling heat dissipation assembly.

The invention discloses and provides a low-cost direct current voltage isolation acquisition circuit, which includes a direct current voltage input part, a resistive step-down part, an isolated output feedback circuit, an operational amplifier differential input circuit, an isolated voltage direct current output part, and a resistive step-down Part of the output voltage of the DC voltage input part is step-down and limited, and then input to the input of the isolated output feedback circuit. The output of the isolated output feedback circuit is divided into two parts: the isolated output and the feedback signal, and the differential input circuit of the operational amplifier and the isolated voltage. The DC output parts are connected, and the DC isolation voltage is output from the DC output part of the isolation voltage. Due to the use of ordinary dual photoelectric isolation circuits and operational amplifier circuits, the corresponding feedback circuit is introduced to realize the DC voltage isolation and acquisition functions, one way is used as input, the other way is used as feedback, and the corresponding isolated DC voltage is output. Therefore, it has the advantages of low cost and simple circuit.

The invention relates to a streetlamp with a charging pile function. The streetlamp comprises a lamp frame and further comprises a lighting lamp arranged at the tail end of the lamp frame, and a charging pile arranged at the lower portion of the lamp frame. The charging pile is internally provided with a power module, an AC-DC module connected with the power module, a charging module connected with the power module, the lighting lamp connected with the AC-DC module, and a charging head connected with the charging module. The streetlamp has the charging pile function, is small in occupied spaceand low in integral cost and has wide application prospects.

The invention discloses an automatic detection line including a rack and a parts rack. The rack is provided with two parallel tracks, a detection zone and a selection zone; a chain is respectively arranged in each track; both ends of the parts rack are respectively arranged in the two chains; the detection zone is equipped with cylinders symmetrically arranged on two sides of the rack; and the selection zone includes selection cylinders, a pair of cylinders include a lifting cylinder and a horizontal push cylinder, which are respectively arranged on the two sides of the rack. when the parts rack enters the detection zone, the detection device detects the parts in the parts rack, and identifies defective parts; when the parts rack enters the selection zone, corresponding lifting cylinder lifts defective products and the horizontal push cylinder pushes the products down to a defective product frame; and good products fall to good product frame at the end of the test line. The automatic detection line provided by the invention realizes functions of automatic online detection, identification and isolation, and improves production efficiency.

The invention provides an emergency player based on an IOT communication mechanism. The emergency player comprises a fixing frame, a clamping groove, a fixing plate, a pressing plate, a fixing column,a through groove, a base, a mounting support, a lead screw, a ball nut holder, a connecting ring and a suspending plate. The clamping groove is formed in the upper side surface of the interior of thefixing frame. The through groove is formed in the lower end surface of the fixing frame. The fixing column is fixed to the position, on the left side of a cover plate, of the lower end surface of thefixing frame. The pressing plate is assembled on the annular side surface of the fixing column. The fixing plate is fixed to the lower portion of the front end surface of the fixing frame. Due to thedesign, an isolating function of an operating keyboard is achieved, the mounting support is arranged on the left side of the base, the lead screw is assembled in the mounting support, the ball nut holder is assembled on the annular side surface of the lead screw and connected with the left end surface of a player body through the connecting ring, the suspending plate is fixed to the right end surface of the mounting support, the design facilitates mounting of the emergency player, and the emergency player is simple in structure, convenient to operate, good in adaptability, excellent in protective property and high in reliability.

The invention discloses a data isolation and query method and device, and relates to the field of a database. The method comprises the steps of when data is stored, building and generating a primary key K1 according to a secondary key K2 and primary key generation parameters, then storing (K2, V) into a customized object (DO), and finally adopting a (K2, V) data storage mode to store key value data; correspondingly, when the data is queried, building and generating the primary key K1 according to the secondary key K2 and the primary key generation parameters, then searching for the customized object (DO) according to the primary key K1, and finally taking out a data value V in the customized object (DO) according to the secondary key K2, wherein the primary key K1 is a logic key of the customized object (DO), the secondary key K2 is a data key of the customized object (DO), and V is a data value of the customized object (DO). According to the data isolation and query method and device, the isolation function of the data in the database is achieved.

The invention discloses a mine truck protection device multipath signal acquisition circuit, which comprises a plurality of signal acquisition circuit branches and at least one integrated operational amplifier chip SOIC-14, the integrated operational amplifier chip SOIC-14 is provided with an in-phase input end IN + X, an inverted input end IN-X, a voltage signal output end OUTX, a VCC end and a GND end, X is 1, 2, 3 and 4, and the GND end is connected with the in-phase input end IN + X, the inverted input end IN-X, the voltage signal output end OUTX, the VCC end and the GND end. The system is characterized in that the signal acquisition circuit branch is connected with the same in-phase input end IN + X, the inverted input end IN-X and the voltage signal output end OUTX of the integrated operational amplifier chip SOIC-14, the in-phase input end IN + X receives a sensor input signal through an isolation resistor, the inverted input end IN-X is grounded through the isolation resistor, and the voltage signal output end OUTX is grounded through the isolation resistor. The voltage signal output end OUTX transmits a driving signal to the MCU through an isolation resistor, and the VCC end is grounded through a capacitor and is connected with a power supply signal through a resistor; and the GND end is grounded.

The invention provides a dedusting cloth bag structure for an industrial cloth bag dedusting device, and relates to the field of industrial dedusting. The dedusting cloth bag structure comprises a locking ring, the outer side of the locking ring is provided with a plurality of groups of clamping bolts, the bottom end of the locking ring is provided with a shaping frame, and the outer side of the shaping frame is provided with an isolation cloth bag; the inner side of the isolation cloth bag is movably connected with a locking ring through a clamping bolt, a bottom frame is installed at the bottom end of the shaping frame, the bottom frame is movably connected with the inner side of the bottom end of the shaping frame, a chassis base is installed at the bottom end of the bottom frame, and a clamping groove is formed in the side penetrating through a driving clamping ring. The problems that in the using process of the dust collecting bag, too much dust and sundries with high adhesiveness adhere to the outer side of the bag, so the dust collecting effect is reduced due to the fact that suction force is reduced, and the utilization rate and the service life of the cloth bag are relatively low due to the fact that the static dust collecting bag is prone to causing height loss of part of the position and lack of use of part of the position are effectively solved.

The invention discloses an isolation-type voltage-current bidirectional conversion output circuit. The circuit includes an input selection circuit, a current/voltage isolation conversion circuit, a voltage/current isolation conversion circuit and an output selection circuit, wherein the input terminal of the current/voltage isolation conversion circuit is connected with the input selection circuit while the output terminal is connected with the output selection circuit, the input terminal of the voltage/current isolation conversion circuit is connected with the input selection circuit while the output terminal is connected with the output selection circuit. The circuit provided by the invention supports conversion from voltage input to current output and also supports conversion from current input to voltage output, and is high in adaptability for different industrial equipment. According to the invention, voltage-current conversion isolation is realized and adaptability for severe industrial environment for circuit use is improved.

The invention discloses a block chain isolation system based on a double-layer network. The system comprises an ultraviolet disinfection module, an environment monitoring module and a block connection module. The ultraviolet disinfection module is used for ultraviolet sterilization and disinfection, and different working states of the ultraviolet irradiation lamp are controlled to achieve the purpose of ultraviolet isolation. The environment monitoring module is used for detecting the surrounding environment of the ultraviolet irradiation lamp and identifying the types of the appearing moving objects. And the block connection module is used for connecting the ultraviolet irradiation lamps of all the areas to carry out internal adjustment of current. The ultraviolet disinfection module comprises an irradiation module, a current regulation module, a superposition module and a start control module. The environment monitoring module comprises an infrared monitoring module, a contour analysis module, a speed calculation module and a judgment module. And the block connecting module is electrically connected with the current adjusting module of each ultraviolet disinfection module. The current adjusting module and the starting control module are electrically connected with the judgment module.The system has the advantage of being high in practicability.

The invention relates to a lifting type endoscope storage cabinet, and belongs to the technical field of endoscope accessories. The lifting type endoscope storage cabinet comprises a frame; a cabinet body is arranged in the frame; a lifting device is arranged on the side wall of the cabinet body; a load frame tray is arranged on the lifting device; a load frame is loaded on the load frame tray; an air blowing opening and an inner perfusion butt-joint opening are formed in one side of the load frame; the inner perfusion butt-joint opening is connected with an inner perfusion butt-joint system; the inner perfusion butt-joint system and the air blowing opening are connected with an air blowing system; the cabinet body is of a channel type structure; an outer cover system is arranged outside the frame; a loading side glass door is arranged in the middle of the front face of the outer cover system; and an unloading side glass door is arranged in the middle of the back face of the outer cover system. On the basis that automatic loading is achieved, environmental pollution in the transferring process is avoided.

The invention provides a switch power source circuit having a standby cell for power supply. The switch power source circuit having the standby cell for power supply comprises an input rectification module, a PWM switch control module, a transformer module, an output rectification diode, a negative feedback module, the standby cell, an isolation diode unit and a Zener diode, wherein a positive electrode of the output rectification diode is connected with a positive output end of the transformer module, a negative electrode of the output rectification diode is connected with a negative electrode of the isolation diode unit, a positive electrode of the isolation diode unit is connected with a positive electrode of the standby cell, a negative electrode of the standby cell is connected with anegative output end of the transformer module, a negative electrode of the Zener diode is connected between the negative electrode of the isolation diode unit and the negative electrode of the outputrectification diode, one end of the negative feedback module is connected with a positive electrode of the Zener diode, and the other end is connected with a control port of the PWM switch control module. The switch power source circuit is advantaged in that output loss of a switch power source is reduced, and conversion efficiency of the switch power source is improved.

The invention discloses a noise elimination and ventilation type platform door, and relates to the field of platform door systems. A base is arranged, the base and a cross beam at the upper portion of a platform door top box are fixedly installed, and a noise elimination gate air valve is installed on the base. A fixing plate is arranged at the upper portion of the noise elimination gate air valve, a mounting hole is formed in the fixing plate, the mounting hole is connected with a civil engineering beam through an anchor bolt, the noise elimination gate air valve is composed of noise elimination sections at the two ends and a gate section in the middle, a valve body outer frame is arranged to be of an integrated structure, and a gate moves up and down through an electric mechanism and a transmission mechanism. Communication or isolation between a rail-mounted area and a platform public area is achieved. The noise elimination gate air valve is installed on the platform door, opening and closing of the air valve can be adjusted according to outdoor conditions, and then the communication or isolation function of the rail-mounted area and the platform public area is achieved. When the gate ascends and train piston wind is used for ventilating a station, the noise elimination sections arranged in a segmented manner form an impedance composite sound eliminator, and noise generated by a train can be effectively controlled.

The invention discloses a VCO bias circuit with a single event effect prevention function. The VCO bias circuit comprises a load resistance bias module and a tail current circuit bias module, wherein the load resistance bias module generates a first bias voltage through a first switching tube unit and outputs the first bias voltage to a load resistor in a VCO loop, the tail current circuit bias module generates a second bias voltage through a second switching tube unit, outputs the second bias voltage to a tail current circuit in the VCO loop, and respectively feeds back the second bias voltage to the first switching tube unit and second switching tube unit. The VCO bias circuit has the single event effect prevention function, and has the advantages of simple structure, low cost, strong radiation resistance and so on.

The invention discloses an isolation cover, a pump assembly and a magnetic drive pump. The interior of the isolation cover comprises a protruding part for supporting an impeller shaft, wherein the protruding part extends in the longitudinal direction of the isolation cover; the impeller shaft is fixedly connected to the protruding part. The pump assembly comprises the isolation cover and an impeller. By adopting the isolation cover, the pump assembly and the magnetic drive pump, the whole liquid end is simple in structure, and the isolation and supporting functions are achieved. Thus, by adopting the three components including the isolation cover, the impeller and a pump case, dismantling and maintenance of the pump are greatly facilitated without complicated technical training and special tools, just like stacking and dismounting of building blocks.