34results about How to "Meet switch" patented technology

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 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.

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 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 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 relates to a detachable type movable photostudio. The detachable type movable pohtostudio comprises a plurality of cross pipes and a plurality of up-right pipes, the multiple cross pipesare sequentially connected in an end-to-end mode to form a polygon frame structure, the multiple up-right pipes are vertically arranged below the frame structure at intervals, the upper ends of the multiple up-right pipes are rotatably connected with the cross pipes, and the multiple up-right pipes can be folded along the connection positions of the up-right pipes and the cross pipes to be superposed with the corresponding cross pipes. The polygon frame structure and the multiple up-right pipes form a photostudio frame, and curtain cloths are arranged on the side faces of the photostudio frame correspondingly. According to the detachable type movable photostudio, rapid dismounting and mounting of the whole photostudio can be achieved by adopting detachable connection of the multiple crosspipes and the multiple up-right pipes, transporting is convenient, the mounting efficiency is improved greatly, the working efficiency of photographing is improved, the labor intensity is lowered, the manpower cost is reduced, switching between different scenes is satisfied, the structure is simple, and the cost is low.