34results about How to "Meet switch" patented technology

The invention discloses a plug and play detecting device for a photovoltaic power generation grid-connected system, belonging to the technical field of new energy resource power generation and electrics. The plug and play detecting device comprises a power supply circuit, a photovoltaic cell access circuit, a storage battery access circuit, an inverter access circuit, a load selector, a photovoltaic cell detection load circuit, an inverter detection static load circuit, an inverter dynamic load circuit and a DSP (Digital Signal Processor). The invention has the advantages that plug and play is realized, and faults of a power generation system are determined through data acquisition; a photovoltaic cell board and an inverter are detected under various load working conditions, a plurality of photovoltaic cells to be detected can be switched while detection, the power generation states of the plurality of photovoltaic cells can be compared and detected, and the detecting efficiency and accuracy of the photovoltaic cells are increased; and a pulse generation device and a time delay device can be set according to the actual load conditions corresponding to different power generation devices, so that a simulated load more approaches to the actual condition, and the detecting accuracy is improved.

The invention discloses a high-strength wear-resistant complex brass for an automotive synchronizing ring, which comprises the following components in percentage by weight: 59-65% of Cu, 1.7-3.7% of Al, 2.2-3.8% of Mn, 0.5-1.3% of Si, 0.07-0.27% of Cr, 0.2-0.6% of Ni, less than or equal to 0.6% of Fe, less than or equal to 0.18% of Pb, and the balance of Zn and less than 0.05% of impurities. The complex brass has good plasticity and toughness under the conditions of high strength, high hardness and high wear resistance.

The invention provides a device for detecting a wind power generation grid-connected system. The device comprises a power generation unit, a storage battery unit, an inversion unit, a load simulation and simulated power grid unit control unit, a control unit and a detection unit, wherein the power generation unit comprises a wind driven generator and a fan switching-in controller; the inversion unit comprises an inverter and an inverter switching-in controller; the load simulation and simulated power grid unit comprises a load selector, a simulated load, a grid-connected switching-in controller and a simulated power grid; the control unit comprises a DSP (Digital Signal Processor), storage equipment and a communication module; the detection unit comprises a fan state detection mechanism and an electric performance detection mechanism; and the storage battery unit comprises a storage battery, a storage battery controller and a Boost circuit. A method provided by the invention is used for respectively detecting the island operation of a fan to be detected, the grid-connected operation of the fan to be detected and the working state of the inverter to be detected when a standard fan is in a grid-connected state, thereby realizing the detection of the fan or the inverter under a plurality of loads, meeting the requirements of switching among multiple fans or the inverters, and improving the detection efficiency and accuracy.

The invention provides a switching method, a device and a network architecture. The switching method comprises that: a conversation management function receives a switching request from an intermediate entity; and the conversation management function switches each connection established by a terminal in a source access network into a target access network according to a switching request. The switching method, the device and the network architecture can satisfy switching of a novel network architecture, avoid a fact that the switching process in the current technology is only adapted to an EPC network architecture and not adapted to the novel network architecture.

A hybrid operating mode switching control method of a hybrid electric vehicle, wherein a motor in a default pure electric mode provides all torque requested by a driver; in conventional engine mode, the engine provides all of the torque requested by the driver; electric only mode, The boost mode and the power generation mode meet certain conditions and directly enter the traditional engine mode: when the vehicle is in the traditional engine mode, the current vehicle speed, the requested torque and the battery charge SOC value are judged at all times. When the vehicle speed is less than the critical vehicle speed X, or the requested torque of the driver is less than the maximum torque value of the motor, or the battery charge SOC is greater than the critical value SOC4, the vehicle enters the pure electric mode; and when the vehicle speed is less than the critical vehicle speed X, the battery charge SOC is greater than the critical value SOC4. When the torque requested by the driver exceeds the maximum torque that can be transmitted by the engine and the transmission at the current vehicle speed, and the battery charge SOC is greater than a certain value SOC2, the power-assisted mode is entered; the battery charge SOC value is lower than a certain value SOC2, and the torque requested by the driver is lower than the optimal economic torque provided by the engine at the current vehicle speed, so the power generation mode is switched to the power generation mode.

The invention discloses a flexible clamp apparatus for an automobile assembly parts conveying system, comprising two bearing beams parallel to each other; a slide rail is provided between the two bearing beams, at least two clamp units are disposed on the slide rail, a spacing adjustment is arranged between the two bearing beams, each clamp unit comprises a support frame slidably and fitly mounted on the slide rail, two ends of the support frame are provided with clamp mechanisms respectively, each clamp mechanism comprises a connecting sleeve, the upper end of each connecting sleeve is provided with a connecting shaft that is rotationally fitly connected with the corresponding support frame, a rotational drive mechanism is arranged on each support frame, the lower end of each connecting sleeve is provided with a clamp support that is provided with a switching support mechanism, each switching support mechanism comprises two rotary shafts arranged horizontally and parallel to each other with the two rotary shafts being rotationally fitly mounted to the corresponding clamp supports respectively, a connecting fork is connected to each rotary shaft, a support rod is releasably mounted on each connecting fork, each support rod is provided with a positioning pin or a V-shaped block, and each clamp support is provided with a switching drive mechanism.

The invention discloses a workpiece deburring device which comprises a workpiece frame and a tool frame. The workpiece deburring device further comprises a first horizontal shaft, a first vertical shaft, a second horizontal shaft, a second vertical shaft and a third horizontal shaft. The first horizontal shaft and the third horizontal shaft are parallel to each other. The second horizontal shaft is perpendicular to the first horizontal shaft and the third horizontal shaft. The workpiece frame is installed on the second vertical shaft which is installed on the second horizontal shaft through a first connecting box body. The tool frame is installed on the third horizontal shaft and rotates around the third horizontal shaft. The third horizontal shaft is installed on the first vertical shaft through a second connecting box body. The first vertical shaft is installed on the first horizontal shaft through a third connecting box body. According to the workpiece deburring device, on the basis of low cost, the multi-freedom-degree flexible machining requirements are met, different grinding tools can be switched for a single workpiece, different workpieces can be switched as well, multiple purposes can be achieved through one device, and the investment efficiency is maximized.

The invention provides an accident security power supply circuit and a switch method thereof, and belongs to the technical field of circuit design. In the accident security power supply circuit, a sixth switch is an outlet switch of a diesel power generation set; a second switch and a third switch are work power supply feeder switches of security PC A section and B section respectively, and working power supplies are from work PC A section and B section respectively; a first switch and a fourth switch are standby power supply feeder switches of the security PC B section and A section respectively, and standby power supplies are from the work PC A section and B section respectively; a fifth switch and a seventh switch are power supply wire inlet switches of the diesel power generation set of the security PC A section and B section respectively; en eighth switch and a ninth switch are work and standby power supply wire inlet switching switches of the security PC A section and B section respectively; and a tenth switch and an eleventh switch are work, standby and diesel power generation set power supply wire inlet switching switches of the security PC A section and B section respectively. The accident security power supply circuit and the switch method thereof have the advantages of easy wiring and highly-reliable switching and the like.

The invention provides a Chinese dialogue knowledge retrieval method based on a knowledge retrieval graph and a pre-training model in order to solve the technical problem that in the prior art, the performance is poor when topic switching between multiple rounds of dialogues is processed. According to the method, text semantic information is modeled by utilizing a pre-training model, and the relationship between knowledge is modeled by utilizing knowledge retrieval graph structure information, so that knowledge triples related to subsequent replies of a current dialogue can be retrieved more accurately, and subsequently generated knowledge dialogues can better meet topic switching among multiple rounds of dialogues, and a better dialogue effect is obtained.

The present invention relates to a high-voltage program control matrix switch. The switch comprises a serial port conversion module, a communication processing module, a driving module, a relay matrix and a display module, the serial port conversion module is connected with the communication processing module for transmission of switch information, the display module is connected with the communication processing module for display of a switch state, the driving module is connected with the communication processing module to receive and latch the switch state information to drive the relay matrix to perform switching motion, and an upper computer is configured to send the switch motion information and receive the switch state information in parallel through a serial port. The low-voltage driving high relay is employed to satisfy switching and test demands of high-voltage signals, the modularization design is employed to allow the high-voltage program control matrix switch to have good development, and the feedback information is compared to realize rapid location of faults of a module channel.

The invention provides a medium and low pressure gas-liquid separation device and method suitable for multiple working conditions. The medium and low pressure gas-liquid separation device comprises aplurality of gas well inlet pipelines, a first low pressure manifold, a first medium pressure manifold, a second low pressure manifold, a second medium pressure manifold, a compressor, an external conveying pipeline and a plurality of gas-liquid separators arranged in parallel. The upstream of the parallel gas-liquid separators is connected with the first low pressure manifold and the first mediumpressure manifold, the downstream of the parallel gas-liquid separators is connected with the second low pressure manifold and the second medium pressure manifold correspondingly, the second low pressure manifold is connected with the external conveying pipeline through the compressor, and the downstream of the second medium pressure manifold is connected with the external conveying pipeline. First process switching valves and second process switching valves are separately arranged between each gas well inlet pipeline and the first low pressure manifold and the first medium pressure manifold.When the device runs under low pressure conditions, natural gas passing through the low pressure manifold is measured by a low pressure flowmeter and supercharged by the compressor, and then is transmitted to the external conveying pipeline to realize low pressure natural gas supercharging and external transportation, and the oil recovery of gas fields is improved.

The invention provides a method and apparatus for supporting data transmission of machine communication devices. The method comprises the following steps: determining a data transmission mode for switching; and notifying a network side device to switch the data transmission mode through an unlink message. The flexible switch of the data transmission mode satisfying different service Qos and network performance of an MTC is satisfied.

The invention discloses a high-strength wear-resistant complex brass for an automotive synchronizing ring, which comprises the following components in percentage by weight: 54-56% of Cu, 3.0-4.5% of Al, 0.5-1.0% of Fe, 6.0-7.5% of Ni, 2.0-2.5% of Si, and the balance of Zn and less than 0.05% of impurities. The complex brass also has good plasticity and toughness under the conditions of high strength, high hardness and high wear resistance.

A multi-stage recovery and comprehensive utilization system for flue gas waste heat in a combined heat and power plant, in which a primary flue gas cooler and a secondary flue gas cooler are arranged in the flue downstream of the air preheater, and a secondary flue gas cooler and air heater A closed water cycle is arranged between them to realize the full use of the waste heat of the flue gas; during the heating period, the waste heat of the heating network return water and the primary and secondary air are used to recover the waste heat to increase the inlet temperature of the air side of the air preheater and prevent low-temperature corrosion; During the heating period, use condensed water to replenish water to absorb the waste heat of flue gas, and can also heat the primary and secondary air at the same time to increase the inlet temperature of the air side of the air preheater and prevent low-temperature corrosion of the air preheater; it is arranged in the downstream flue of the air preheater The two-stage flue gas cooler uses condensed water and heating network return water as working fluids to absorb the waste heat of flue gas; the invention can separately and simultaneously heat the heating network return water, condensed water, and primary and secondary air, realizing The multi-level and efficient utilization of flue gas waste heat meets the switching between heating and non-heating periods of heat load.

A hybrid operating mode switching control method of a hybrid electric vehicle, wherein a motor in a default pure electric mode provides all torque requested by a driver; in conventional engine mode, the engine provides all of the torque requested by the driver; electric only mode, The boost mode and the power generation mode meet certain conditions and directly enter the traditional engine mode: when the vehicle is in the traditional engine mode, the current vehicle speed, the requested torque and the battery charge SOC value are judged at all times. When the vehicle speed is less than the critical vehicle speed X, or the requested torque of the driver is less than the maximum torque value of the motor, or the battery charge SOC is greater than the critical value SOC4, the vehicle enters the pure electric mode; and when the vehicle speed is less than the critical vehicle speed X, the battery charge SOC is greater than the critical value SOC4. When the torque requested by the driver exceeds the maximum torque that can be transmitted by the engine and the transmission at the current vehicle speed, and the battery charge SOC is greater than a certain value SOC2, the power-assisted mode is entered; the battery charge SOC value is lower than a certain value SOC2, and the torque requested by the driver is lower than the optimal economic torque provided by the engine at the current vehicle speed, so the power generation mode is switched to the power generation mode.

The invention provides a switching method, a device and a network architecture. The switching method comprises that: a conversation management function receives a switching request from an intermediate entity; and the conversation management function switches each connection established by a terminal in a source access network into a target access network according to a switching request. The switching method, the device and the network architecture can satisfy switching of a novel network architecture, avoid a fact that the switching process in the current technology is only adapted to an EPC network architecture and not adapted to the novel network architecture.

The invention relates to the technical field of test sieves, and discloses a sieve pore deviation checking device and checking method, and the sieve pore deviation checking device comprises a vertical column which is vertically installed on a pedestal; an adjustable support which comprises an upper support and a lower support, wherein the upper support and the lower support are movably installed on the stand column and can be adjusted front and back, left and right and up and down relative to the stand column, and the test sieve is installed on the lower support; a dimensional deviation standard plate which comprises a bottom plate located below the lower support, wherein a concentric-square-shaped pattern is drawn on the bottom plate; and a light source which is arranged on the upper support. According to the sieve pore deviation checking device and checking method, any pore on the checked metal perforated plate test sieve can be ensured to be vertically aligned with the light source and projected to the concentric-square-shaped pattern drawn by the positive and negative deviation of the sieve pores, the conformity of the size deviation of the sieve pores can be quickly compared and judged, and tedious operation of reading after amplification is avoided.

The invention discloses a flexible clamp apparatus for an automobile assembly parts conveying system, comprising two bearing beams parallel to each other; a slide rail is provided between the two bearing beams, at least two clamp units are disposed on the slide rail, a spacing adjustment is arranged between the two bearing beams, each clamp unit comprises a support frame slidably and fitly mounted on the slide rail, two ends of the support frame are provided with clamp mechanisms respectively, each clamp mechanism comprises a connecting sleeve, the upper end of each connecting sleeve is provided with a connecting shaft that is rotationally fitly connected with the corresponding support frame, a rotational drive mechanism is arranged on each support frame, the lower end of each connecting sleeve is provided with a clamp support that is provided with a switching support mechanism, each switching support mechanism comprises two rotary shafts arranged horizontally and parallel to each other with the two rotary shafts being rotationally fitly mounted to the corresponding clamp supports respectively, a connecting fork is connected to each rotary shaft, a support rod is releasably mounted on each connecting fork, each support rod is provided with a positioning pin or a V-shaped block, and each clamp support is provided with a switching drive mechanism.

The invention relates to the field of communication equipment, and provides a distribution box. The distribution box comprises a box door and a box body. The box door comprises an identification area and heat-dissipating holes. The box body comprises a function module board, a lamp, a power supply, and an ONU support board. The box door is connected with the box body. The function module board and the ONU support board are installed in the box body through buckles. The power supply is installed in the upper right corner inside the box body. The lamp is installed on the upper part of the center inside the box body. The distribution box is a wall-built fiber-to-the-home box applicable to a situation in which wall bushings are inconvenient to be buried in the wall in real work and users do not permit decorated buildings to be largely reconstructed.

The invention discloses a phase-shifting transformer system which comprises a series branch and a parallel branch. The series branch comprises a seventh isolation disconnecting link, a sixth breaker, a phase shifter body, a ninth breaker and a tenth isolation disconnecting link which are sequentially in serial connection, wherein an eighth grounded disconnecting link is installed between the sixth breaker and the phase shifter body, and an eleventh grounded disconnecting link is installed between the phase shifter body and the ninth breaker; and the parallel branch comprises a second isolation disconnecting link, a bypass breaker and a fourth isolation disconnecting link, wherein a third grounded disconnecting link is installed between the second isolation disconnecting link and the bypass breaker, and a fifth grounded disconnecting link is installed between the bypass breaker and the fourth isolation disconnecting link. The phase-shitting transformer system is capable of meeting the requirement for switching different operation manners of a phase shifter system during normal operation of the phase-shitting transformer system, and guaranteeing the fact that a phase shifter can quickly exit from an electrical power system and is free from affecting normal operation of lines during failure of the phase-shitting transformer system so that safe reliability of the electrical power system is guaranteed. The invention further discloses a control method of the phase-shifting transformer system.

The invention discloses a shading mechanism of a test lamp box. The shading mechanism mainly includes shading cloth and a rolling device. The shading cloth is provided with a shading region and more than one light-pervious region; the rolling device is used for winding the shading cloth and driving the same to roll so that the light-pervious regions are switched. The shading mechanism disclosed herein has the advantages that when the test lamp box is used to detect different models of products, the rolling device drives the shading cloth inside a lamp box to switch the different light-perviousregions so that the various models of products can be detected on the same test lamp box; the shading mechanism is simple in structure, easy to operate and low in time cost and is effective in decreasing the chances for light leaking during detection and improving accuracy of detection results.

An accident safety power supply circuit and a switching method thereof are proposed, which belong to the technical field of circuit design. In the accident security power supply circuit, the sixth switch is the outlet switch of the diesel generator set; the second switch and the third switch are the working power feeder switches of the security PC A segment and B segment respectively, and the working power comes from the working PC A respectively section and section B; the first switch and the fourth switch are the backup power feeder switches of section B and section A of the security PC respectively, and the backup power comes from section A and section B of the working PC respectively; the fifth switch, the seventh switch and the eighth switch And the ninth switch, the tenth switch and the eleventh switch are respectively the power inlet switch of the diesel generator set of the security PC section A and B section, the work and standby power supply inlet changeover switch, the work, standby and diesel generator set power supply inlet switch. Line toggle switch. The invention has the advantages of simple wiring and high switching reliability.

The invention discloses a data line with a temperature measurement function and an infrared temperature measurement chip. The data line comprises an infrared temperature measurement module, a first plugging port, a second plugging port, signal lines, a control switch unit and a temperature measurement channel switch controller, wherein the infrared temperature measurement module comprises a temperature measurement sensor and a temperature measurement reading unit electrically connected; the first plugging port is used for being connected with a power supply end; the second plugging port is used for being connected with a mobile terminal; the signal lines are connected with the first plugging port and the second plugging port, and the signal lines are also connected with the infrared temperature measurement module; the signal lines comprise a first data lead, a second data lead, a power supply lead and a grounding lead; the control switch unit is at least located on one line where the signal line is connected with the infrared temperature measurement module; the temperature measurement channel switch controller is connected with the first plugging port and / or the second plugging port and is used for receiving the control signal so as to control the control switch unit to be in a first state or a second state; the control switch unit is in the first state and the data line is ina data transmission mode; and the control switch unit is in the second state and the data line is in a temperature measurement mode. The temperature can be conveniently and rapidly measured by using the data line.

The invention discloses an air purification filtering material testing experimental system which comprises an air compressor, a silica gel drying pipe, a particle matter filter and an active carbon absorption filter which are connected together through a pipeline in sequence, wherein the input end of the air compressor is connected with an air intake pipeline; the output end of the active carbon absorption filter is connected with a first mass flow controller and a second mass flow controller respectively through pipelines; the output end of the first mass flow controller is connected with a humidity control unit through the pipeline; the output end of the second mass flow controller is connected with a pollutant generating unit through the pipeline; the output ends of the humidity control unit and the pollutant generating unit are respectively connected with an input port of a mixing bottle through the pipelines; and an output port of the mixing bottle is connected with a filtering material testing unit through the pipeline. With the adoption of the air purification filtering material testing experimental system, the switchover of single channel testing clamps of different specifications is realized, the synchronous measurement on a plurality of samples is also realized; and the control precision (of a testing working situation) which is provided by relevant internal standards can be realized.

The invention discloses an anchor chain crosspiece welding system. The anchor chain crosspiece welding system comprises a feeding mechanism and a discharging mechanism, wherein the discharging mechanism is arranged corresponding to the feeding mechanism; the device further comprises a conveying system and a welding robot system, wherein the feeding mechanism, the conveying system and the discharging mechanism are located at the two ends of the welding system, the conveying system comprises a first auxiliary mechanism connected with the feeding mechanism, a second auxiliary mechanism connectedwith the discharging mechanism, and a plurality of thrust mechanisms which are correspondingly located at the conveying mechanism end, the output mechanism end and the middle welding machining end ofan anchor chain; a transmission line of the middle welding machining end is a mechanism which is arranged in a mode of penetrating through a first position changing device and a second position changing device; workpiece turnover mechanisms are arranged between the position changing device and the second position changing device; and a first robot welding system and a second robot welding system are arranged at the rear ends of the position changing device and the second position changing device respectively. The automatic anchor chain crosspiece welding system has the advantages of being highin production efficiency, good in equipment reliability, stable in welding quality, simple to operate, convenient to maintain and the like.

The invention discloses a biological pool structure of a sewage treatment plant, which mainly includes a biological pool body, in which a first anoxic section, an anaerobic section, a first aerobic section, a second anoxic section and a second aerobic section are sequentially arranged Section, the third anoxic section, the third aerobic section, one side of the biological pool is provided with a water inlet and distribution channel, and the other side is provided with a digestion liquid return channel, the first anoxic section, the anaerobic section, the second anoxic section, and the second There is a submersible flow propeller on each side of each baffle in the oxygen section and the third anoxic section, and a fixed aeration device is installed at the bottom of the first aerobic section, the second aerobic section and the third aerobic section. Wherein, the third anoxic section is also provided with a lift-type aeration device for converting it into an aerobic section. In the present invention, the third anoxic section can be switched between anoxic and aerobic by arranging aeration components in the third anoxic section, so as to meet the requirements of the A / O process and the AA / O process of the biological pool of the present invention. conversion between.