62results about How to "Guaranteed reliability" patented technology

The invention provides an automatic ICT test device, which comprises a lifting mechanism, a mechanism frame and a probe jig. The lifting mechanism is installed on the mechanism frame, and the probe jig is installed on the lifting mechanism. The probe jig is installed on the lifting mechanism, accurate positioning is achieved through the positioning pins, and different PCBs can be quickly replaced.A plurality of probes communicated with the ICT test instrument are installed in the probe jig, and the probes are distributed in one-to-one correspondence with the positions of test points on the PCB. And a positioning column is mounted on the probe jig and is used for accurately positioning the PCB circuit board jig. An air cylinder on the lifting mechanism can drive the probe jig to automatically ascend or descend, and when the probe jig ascends, the probe jig can be replaced; and when the probe jig descends, the probe is in contact with the measuring point, so that testing and program programming of the ICT test instrument on the PCB are realized.

The invention discloses a built-in storage tray frame capable of being thermally maintained. A storage unit tray, a mainboard and a PCI_E are all arranged at the front end of a server. An upper layerU and a lower layer U are arranged in a case main frame body, and overturning frames are arranged at the rear part and the middle part of the storage unit tray; a plurality of uniformly arranged vertical plates are arranged on the overturning frames and the front part of the storage unit tray; brackets are arranged between a first guide plate and a connecting plate and between a second guide plateand the first guide plate. The storage tray frame is provided with at least two layers of front-row hard disk modules, middle hard disk modules and rear-row hard disk modules. A turnable first coverplate is designed between a front hard disk module and a rear hard disk module. During the maintenance of the middle row of modules and the last row of modules, the first cover plate is turned over tobe opened, and then the module to be maintained is turned over; the first cover plate is restored to the original position after the module is turned over in place; the cover plate makes contact withthe bottom of the hard disk module to form a closed air duct, the front module and the rotationally-lifted module have the same flow resistance after the closed air duct is formed, and the thermal maintenance effect is guaranteed.

The invention discloses a method for acquiring polarization potential of a buried pipeline. The method comprises the following steps that cathode protection data of each section along the pipeline aremanually collected; a prediction model of the polarization potential, relative to current, electrifying potential and soil resistivity, of the pipeline is established by using a BP neural network principle; an intelligent test pile collects the cathode protection data of each section along the pipeline and transmits the data to a data server; and a processor calls the cathode protection data in the data server, and a polarization potential value is acquired by using the prediction model, relative to the current, the electrifying potential and the soil resistivity, of the polarization potential. According to the method, the data can be automatically collected through the intelligent test pile and transmitted to the data server, after the data in the data server are imported into the processor, the polarization potential value is acquired through the prediction model, relative to the current, the electrification potential and the soil resistivity, of the polarization potential, so thatthe polarization potential acquisition efficiency is improved, the labor and time cost is reduced, and the reliability of polarization potential acquisition is ensured.

The invention discloses a feeding and discharging integrated pressure casting clamp which comprises a feeding module, a discharging module, a sliding block, a support and a flange. The feeding module is matched with a die for localization and feeding operation is achieved. The discharging module is matched with the die for localization and discharging operation is achieved. The sliding block provides power for feeding operation and discharging operation. The feeding module and the discharging module are connected through the support and the sliding block is guided by the support to move. The flange is connected with a robot, so that the clamp is matched with the robot. By the adoption of the clamp, localization is accurate, each action is detection, and reliability is guaranteed. The clamp is small in occupied space, flexible and reliable in motion, high in integration degree and low in fault rate.

The invention discloses a producing execution system, comprising a collecting sub-system, a storage server group, a timing system, a Web server, a business server group, and a notifying line. The collecting sub-system comprises a data collector conducting real-time producing data collecting on devices in a process control system PCS, a single point data provider which collects or receives the single point producing data input, and a weighing machine system providing weighing machine data. The storage server group comprises a real-time database server, a relation database server, and a backup database server. The Web server includes a business function module gather. The business server group includes a plurality of application servers, and each application server is connected to the Web server through an interface, and data required for application can be obtained from the Web server. The invention is advantageous in that real-time information scattered at each producing sites can be gathered for unified monitoring and unified management; an integrated platform for managers to monitor enterprise production in a timely and comprehensive manner can be provided.

The invention discloses a neutral gear position identifying method of a mechanical automatic transmission. A gear selecting and shifting position sensor value of a gear selecting and shifting actuation mechanism controlled by double motors is compared with a neutral gear position value reset in a transmission electronic controller unit (TCU); and the method determines if a present state of the transmission is a neutral gear state according to the comparison result. When the transmission is judged to be not in the neutral gear position at present, the transmission gear selecting and shifting control and the clutch control are performed, so that a neutral gear of the transmission and the transmission neutral gear position confirmation control are realized. The method can accurately, quickly and reliably identify the neutral gear position of the transmission, guarantees start of an engine only when the transmission is in the neutral gear state, prevents the engine start danger of drivers due to gear engagement of the transmission, and prevents vehicle driving accidents.

The invention provides a check anti-loose combined nut. The check anti-loose combined nut comprises a first nut body, a second nut body, an elastic pressing block, a driving gasket, a check sleeve andan anti-theft protective jacket. The first nut body and the second nut body are arranged from bottom to top in sequence, and the outer portion of the first nut body and the second nut body is sleevedwith the anti-theft protective jacket. The top of the first nut body is provided with a second annular boss. THE bottom of the second nut body is provided with the check sleeve. The second annular boss abuts against the check sleeve. Under the abutting effect of the second annular box, a check clamping edge of the check sleeve contracts inwards in the radial direction. The elastic pressing blockis mounted at the bottom of the first nut body. The upper portion of the driving gasket is provided with a first annular boss. The first annular boss is in squeeze fit with the elastic pressing block.Under the squeeze action o the first annular boss, the elastic pressing block deforms. Through the check anti-loose combined nut, it can be ensured that the nut mounted on a bolt does not get loose under various harsh working environments such as frequent vibration and load change.

The invention provides a vehicle driving mode memory method and system, a storage medium and a vehicle-mounted terminal, which are applied to the vehicle-mounted terminal and comprise the following steps: acquiring a vehicle driving mode set value; acquiring feature information of a user; and associating the vehicle driving mode set value with the feature information, so that the vehicle-mounted terminal automatically sets a vehicle driving mode according to the associated vehicle driving mode set value after acquiring the feature information. According to the vehicle driving mode memory method and system, the storage medium and the vehicle-mounted terminal, the matched vehicle driving mode can be memorized based on the feature information of the user, so that manual setting of the user isnot needed, the operation is simplified, and the user experience is greatly improved.

The invention discloses grapefruit processing and production equipment. The grapefruit processing and production equipment comprises a sorting mechanism and a bagging and packaging machine which are connected in sequence, the bagging and packaging machine comprises a conveying device, the conveying device comprises a supporting base and a conveying groove formed in the supporting base, a feeding groove is formed in one side of the conveying groove, a plurality of grapefruits are contained in the feeding groove in the length direction, a feeding assembly is installed in the feeding groove and used for conveying the grapefruits into the conveying groove, and a pushing assembly is installed at one end of the conveying groove and used for pushing the grapefruits into the conveying groove. The pushing assembly is used for pushing the grapefruits of the feeding assembly into the conveying groove one by one; the packaging box is arranged at the end, away from the pushing assembly, of the conveying groove, a feeding port is formed in the upper portion of the packaging box, and the end of the conveying groove abuts against one side of the feeding port. The grapefruits are conveyed into the packaging box one by one through the conveying device, the beneficial effects of being high in automation degree and high in processing efficiency are achieved, and by designing the sorting mechanism, the grapefruits of different sizes can be sorted into the discharging hopper.

The invention discloses a sealing structure for an electric EGR (exhaust gas recirculation) valve. An upper groove and a lower groove are arranged at an upper copper sleeve end and a lower copper sleeve end of the electric EGR valve, an upper sealing device is press-riveted in the upper groove and comprises an upper Teflon sealing retaining ring and an upper thin gasket sequentially press-riveted in the upper groove from bottom to top, an upper-O-shaped sealing retaining ring is arranged in the upper Teflon sealing retaining ring, a sealing device is arranged in the lower groove and comprises a lower Teflon sealing retaining ring, a washer and a lower thin gasket sequentially press-riveted at the lower copper sleeve end from top to bottom, and a lower O-shaped sealing retaining ring is arranged in the lower Teflon sealing retaining ring. The sealing structure can effectively prevent clamping stagnation of a central rod caused by carbon deposition, so that operating reliability of the electric EGR valve is guaranteed and the service life of the same is prolonged.

The invention relates to an electric motor and a vehicle using the same. The stator assembly and the frame in the electric machine of the invention are connected through the cooperation of the limiting protrusion and the limiting groove, so that the stresses between the stator assembly and the frame are relatively evenly distributed, which ensures the reliability of the connection between the stator assembly and the limit slot, At the same time, the cooperation of the limiting protrusion and the limiting groove enlarges the contact area between the machine frame and the stator assembly, ensures that the heat on the stator assembly can be efficiently transferred to the fluid in the fluid channel, and improves the heat dissipation efficiency. Therefore, the motor not only has stable structure, but also has high heat dissipation efficiency, and improves the performance of the motor.

The invention discloses a voltage regulating transformer, and the transformer comprises a base; a compensation transformer and a contact type voltage regulator which are installed on the base, whereinthe compensation transformer and the contact type voltage regulator are jointly installed and fixed on the base through an anti-seismic frame; and a shell which is independently arranged on the foundation and is set around the base, the compensation transformer, the contact type voltage regulator and the anti-seismic frame. Compared with the prior art, the base of the voltage regulating transformer is arranged to be the integral supporting piece formed by welding the angle steel and the steel plate, the compensation transformer, the contact type voltage regulator and the base with the high anti-seismic property are connected into a whole through the anti-seismic frame, and the integral anti-seismic property of the voltage regulating transformer is improved. In the earthquake process, thevoltage regulating transformer can ensure that the chain is not derailed or broken, the circuit waveform is continuous and stable, the voltage regulation can be smoothly completed, and the reliabilityof the product is ensured.

The invention provides a dial-up link detection method and dial-up link detection equipment. The method comprises that: A, when traffic is not generated in an active integrated service digital network (ISDN) link between first equipment and second equipment, the first equipment initiates an ISDN link detection call used for detecting whether the active ISDN link is available or not to the second equipment by the active ISDN link at intervals of set periods, determines that the active ISDN link is available and clears the ISDN link detection call if the ISDN link detection call is successfully established, otherwise determines that the active ISDN link fails, switches a standby ISDN link of the active ISDN link into the active ISDN link and switches the original active ISDN link into the standby ISDN link; and B, when transmitting the traffic to the second equipment, the first equipment switches the active ISDN link on, and transmits the traffic by utilizing the active ISDN link after the successful link layer negotiation of the active ISDN link.

The invention discloses a transmission insulator and an isolating switch using the same. The embedding ends of two shaft sleeve inserts of the transmission insulator are distributed in a relatively spaced mode in the rotating axis direction of an insulation base body which is provided with an insolating solid object isolating the two shaft sleeve inserts on the rotating axis. Due to the fact that the embedding ends of the two shaft sleeve inserts are distributed in the relatively spaced mode in the rotating axis direction of the insulation base body, when the transmission insulator is driven to rotate by a transmission shaft, the direction of torque borne by the two shaft sleeve inserts is perpendicular to the isolating direction between the two shaft sleeve inserts, and the problem that the isolating solid object between the two shaft sleeve inserts is compressed, and the thickness of the isolating solid object (equivalent to an insulation medium in a capacitor) between the two shaft sleeve inserts is reduced is solved. The hidden danger that the isolating solid object between the two shaft sleeve inserts is broken down is lowered, and the using reliability of the transmission insulator is ensured.

The invention provides a motion route converting device comprising a first motion component, a second motion component, a base, a guide rod, a curved guide rail and a tensional spring, wherein the guide rail and the curved guide rail are fixedly arranged on the base; the first motion component is fixedly arranged on the guide rod and can do linear motion along the guide rod; the second motion component and the first motion component are connected through a rotating shaft; the tensional spring is sleeved on the rotating shaft; one end of the tensional spring is pressed on the first motion component, and the other end of the tensional spring is pressed on the second motion component; and the second motion component is in contact with the curved guide rail under the pressure of the tensional spring, and can move along the curved guide rail. With the adoption of the motion route converting device provided by the invention, the conversion of the motion route can be realized through a simple mechanical structure, and the operation reliability can be ensured.

The invention discloses a low-cost and high-reliability satellite-borne single-machine multi-chip SRAM type FPGA on-orbit reconstruction system. One chip is selected from a plurality of to-be-reconstructed FPGAs as a reconstruction interface FPGA, and an external reconstruction interface circuit is constructed in the reconstruction interface FPGA; The external reconfiguration interface circuit isused for receiving reconfiguration user function configuration data and a reconfiguration instruction which are injected on the ground, generating a reconfiguration telemetry data packet from the received reconfiguration user function configuration data and the received reconfiguration instruction, sending the reconfiguration telemetry data packet to the on-orbit reconfiguration control circuit, and downloading reconfiguration telemetry information on a satellite to the ground; The reconfiguration interface configuration data memory PROM is used for storing reconfiguration interface function configuration data of the reconfiguration interface FPGA; Wherein different spaces are set in the FLASH and correspond to the FPGAs to be reconstructed respectively, and the FLASH is used for pre-storing original user function configuration data of the FPGAs to be reconstructed or storing reconstructed user function configuration data used during on-orbit reconstruction; The on-orbit reconstructioncontrol circuit is responsible for communication with the reconstruction interface circuit, storage of reconstruction configuration data and loading and refreshing of the FPGA to be reconstructed according to control of a ground remote control instruction.

The invention discloses an air bubble monitoring system for blood purification and relates to an air monitoring system. The air bubble monitoring system comprises a block clamp and an air bubble monitor, wherein a first output end of the air bubble monitor is connected with a first input end of a processor; the control end of the block clamp is connected with a first output end of the processor; the processor controls the opening and closing of the block clamp; the air bubble monitoring system further comprises a pipeline mounting position detection device and a blood recognition device; the pipeline mounting position detection device is connected with the processor; the pipeline mounting position detection device sends a signal to the processor; the output end of the blood recognition device is connected with a second input end of the processor; and a second output end of the processor is connected with the input end of the air bubble monitor. The air bubble monitoring system can be used for reducing false alarm and is safer.

The invention provides a dresser for a deep hole internal thread and belongs to the technical field of hand tools. The dresser comprises a locating mandrel, a ferrule, a threaded cutter, a fixing seat, a fixing sleeve and a baffle, wherein the locating mandrel penetrates into an inner cavity of the fixing seat, and a tapered surface is arranged at the lower end of the locating mandrel; the ferrule is embedded into the inner cavity of the fixing seat; the threaded cutter comprises four groups of L-shaped blades, a cutting edge with a thread form consistent with that of the deep hole internal thread of a to-be-dressed aircraft part is arranged at the outer side end of the horizontal arm of each blade, a wedge-shaped arc surface is arranged on the vertical arm of the blade, the four groups of blades are evenly arranged around the locating mandrel, and the horizontal arms of the four groups of blades are assembled with the fixing seat; an operating handle is arranged at the upper end of the fixing seat, the fixing seat and the fixing sleeve are assembled in a threaded fit manner, the thread pitches of the fixing sleeve, the fixing seat and the deep hole internal thread of the to-be-dressed aircraft part are identical, and the fixing sleeve and the to-be-dressed aircraft part are assembled in a threaded fit manner. The dresser solves the problem about repair of the deep hole internal thread of the aircraft part and guarantees smooth assembly of threaded fit members in the maintenance process of the aircraft.

The invention discloses a Beidou-three-carrier-based signal single epoch method for determining dynamic-dynamic ambiguity. With the method, problems that the baseline distance is long, the real-time performance is poor, and reliability can not be guaranteed during double-frequency dynamic ambiguity determination according to the existing dynamic-dynamic positioning technology can be solved. With the three-frequency signal of the beidou, a single epoch method for determining short-distance dynamic-dynamic positioning ambiguity reliably in real time is provided. On the basis of a geometry-based mode, certain observation value quality control is carried out by combining an M-W geometry-free model; and the ionosphere residual of the short baseline is ignored and the ambiguity is determined by steps. The method mainly comprises three steps: (1), determining ultra-wide lane ambiguity N(0,-1,1) by using an original pseudo range and an ultra-wide lane phase observation value; (2), determining two wide lane ambiguity values N(1,0,-1) and N(1,-1,0) by using the ultra-wide lane observation value; and (3), determining ambiguity values N1, N2, and N3 of three original frequencies by using the wide lane observation value. Therefore, ambiguity of dynamic-dynamic positioning of the short baseline can be determined reliably in real time.