9results about How to "Reduce layout complexity" patented technology

The invention discloses a thermal management system and a vehicle, and the thermal management system comprises a compressor which is provided with an exhaust port and an air inlet; the outdoor condenser is provided with a first inlet and a first outlet, and the first inlet is communicated with the exhaust port; the electric drive system comprises an electric drive direct cooling plate, the electric drive direct cooling plate is provided with a second inlet and a second outlet, the second outlet is communicated with the air inlet and the first inlet, and the second inlet is communicated with the first outlet; one end of the first pipeline is connected between the exhaust port and the first inlet, and the other end of the first pipeline is connected between the air inlet and the second outlet; the second pipeline and the third pipeline are connected between the first outlet and the second inlet in parallel, a refrigerant pump is arranged on the second pipeline, and a first electronic expansion valve is arranged on the third pipeline. According to the thermal management system, flexible switching between the two modes can be achieved according to the actual heat dissipation requirement of the electric drive system and the whole vehicle operation working condition.

The application relates to a zero-crossing oscillation prevention thyristor, which comprises a thyristor chip, a bidirectional trigger diode chip, a heat dissipation substrate, first to third pins and a package. The top layer of the heat dissipation substrate is provided with independent first and second solder pads; the MT1 terminal of the thyristor chip is soldered to the first solder pad, and the bottom surface electrode of the bidirectional trigger diode chip is soldered to the second solder pad; the top surface electrode is connected to the thyristor gate through a first bonding wire; the second solder pad is connected to the first pin through a second bonding wire; the MT2 terminal of the thyristor is connected to the second pin through a third bonding wire; the third pin is soldered to the first solder pad; and all the elements are integrated and packaged by the package. The application has the effect of preventing zero-crossing oscillation, low cost and high energy effect.

This invention discloses a low-voltage fire-resistant intelligent fire-fighting cable with distributed temperature measurement and positioning function, belonging to the field of fire-fighting cable technology. It includes a cable body comprising an insulated core, an oxygen barrier layer, a shielding layer, and an outer sheath. The insulated core, from the inside out, includes a conductor layer, a fire-resistant layer, and an insulation layer. The conductor layer is formed by multiple strands of fine copper wire twisted together. The insulation layer comprises cross-linked polyolefin. A filling layer is provided at the gaps between the insulated cores, and a temperature sensing unit is also provided within the filling layer. The temperature sensing unit includes a fiber optic temperature measurement structure, which can acquire temperature distribution information along the cable. A drain wire is provided within the shielding layer. Through this invention, the temperature sensing unit, employing a distributed fiber optic temperature measurement structure arranged along the cable axis, allows the fiber optic cable to be deployed synchronously along the entire length of the cable during the cabling process, achieving continuous temperature acquisition and distributed sensing along the cable, thereby acquiring temperature distribution information for the entire line and identifying local temperature rise changes.

The application discloses a graphite round rod anti-edge collapse processing device, which comprises a protection assembly, a displacement positioning assembly, a cutting device, a filtering device, a bearing assembly, a supporting structure and a transverse displacement device; the protection assembly is used for gathering cutting dust through cooperation of a baffle and a protection cover, and the cutting dust is purified through negative pressure suction of the filtering device, so that graphite dust escape is reduced; purified gas after filtration is introduced into the bearing assembly through a connecting pipe, part of the gas supports a bearing cloth to form an air cushion, and the other part of the gas enters a movable assembly through a gas distributor to lift a bearing box, and a separate gas supply source is not needed; after the graphite rod is cut, the flexible sinking of the bearing cloth and the pneumatic slow descent of the bearing box jointly absorb the impact, and the reverse airflow is used for dredging internal air holes, so that the secondary edge collapse risk of the cut rod segment due to falling, rebounding and rolling is reduced.

The application discloses a kind of based on I2C bus's multi-board card address automatic configuration method and system, method includes: reserving N I2C address pins (1≤N≤3) on the same board card to be mounted, each pin is connected to the corresponding pin of board card connector by pull-up resistance, it is high level when hanging in the air;Design a M cable, M=2^N, cable contains a main terminal interface and M slave terminal interfaces;For each slave terminal interface, its corresponding N address pins are respectively configured as ground or hang in the air, and the level combination of any two slave terminal interfaces is different, ground corresponds to low level 0, and hanging in the air corresponds to high level 1;The mainboard is connected with M same board cards simultaneously by a M cable, and each board card obtains a unique I2C address according to the level combination of its slave terminal interface.The application does not need manual dialing code or welding resistance, and I2C address of multiple same board cards can be automatically distributed by cable preset wiring, single batch address configuration time is shortened, and it is suitable for batch shipment and large-scale production.

The utility model discloses a six-axis robot, relates to the technical field of automatic assembly equipment, and aims at solving the problems that a traditional screw driving robot is single in function and needs to be additionally provided with turnover equipment. An automatic screw tightening module and a grabbing module are arranged on the two sides of the actuator mounting plate correspondingly. The grabbing module is composed of a servo motor, a speed reducer, a lead screw, a threaded sleeve, a cross beam, a connecting arm, a clamping jaw, a rotating arm and the like, the lead screw is driven by the servo motor to rotate, the threaded sleeve is driven to move up and down, and the clamping jaw is opened and closed in cooperation with linkage of the connecting arm and the rotating arm. By integrating the double-function module, the six-axis robot has the screw driving and material turnover capacity at the same time, the number of devices and the occupied area are reduced, and the procedure connection efficiency is improved; the grabbing module achieves high-precision opening and closing and stable clamping of a clamping jaw, is suitable for materials of multiple specifications, and is particularly suitable for small-batch and multi-variety automatic assembly scenes.

The utility model discloses a floating trash holding row trash expelling and cleaning device based on cable transmission. The floating trash holding row trash expelling and cleaning device comprises a trash cleaning tooth rake, a trash cleaning driving steel wire rope, a trash cleaning driving wheel, a trash cleaning driven wheel and the like. The trash cleaning tooth rake is fixed to the annular trash cleaning driving steel wire rope, the gear motor drives the trash cleaning driving wheel to drive the steel wire rope to move circularly, and the tooth rake continuously drives floating objects on the water surface. The trash holding row is connected with supporting pieces on the two sides of a riverway through fixing steel wire ropes and is in linkage with the trash cleaning driving steel wire ropes through switching components, and the device synchronously floats along with changes of the water level. The trash cleaning driven wheel supports the steel wire rope to form a closed loop, the guide wheel reduces friction between the supporting piece and the guide rail, and the buoyancy tank balances the dead weight of the tooth rake. The device breaks through the limitation of a traditional trash removal mode, continuous operation is achieved through cable transmission, water level fluctuation is self-adapted through flexible connection, the device has the advantages of being high in trash removal efficiency, high in adaptability, low in cost, wide in coverage range and the like, and the trash removal problem of the floating trash holding row of the hydropower station can be efficiently solved.

The utility model provides a kind of control circuit and non-isolated flyback circuit, control circuit includes detection unit and timing unit, wherein, the first end of detection unit is connected output feedback signal, second end is connected power supply signal, output end is coupled timing unit, for generating detection signal based on output feedback signal and power supply signal;The input end of timing unit is coupled the output end of detection unit, for generating protection control signal based on detection signal.The utility model is through the signal state of detection feedback pin, when detecting open circuit or short-circuit abnormality, quickly triggers protection mechanism, cuts off output or limit voltage, to effectively protect the equipment of rear stage from damage, effectively improve the reliability and security of system, simplify peripheral protection circuit design, applicable to non-isolated flyback switching power supply application.

The invention relates to the technical field of vehicles, and discloses a vehicle steering lamp fault diagnosis device and method, a vehicle and a computer readable storage medium. The fault diagnosis device comprises a plurality of steering lamps which are arranged in a matrix mode and comprise at least two columns and at least two rows, each column comprises at least two steering lamps, each column corresponds to the same steering side, and each row comprises at least two steering lamps; the vehicle control unit comprises a plurality of steering signal interfaces and a plurality of diagnostic signal interfaces; the plurality of steering signal interfaces are arranged corresponding to at least two columns of steering lamps, and each steering signal interface is connected to the control input end of the steering lamp of the corresponding column, so that the steering lamps of each column share the same steering signal; the plurality of diagnosis signal interfaces are arranged corresponding to the steering lamps in at least two rows, and each diagnosis signal interface is connected to the diagnosis feedback output end of each column of steering lamps in the corresponding row, so that the steering lamps in each row share the same diagnosis signal. In this way, the number of wire harnesses is reduced, and the diagnosis distinguishing precision of the steering lamp is improved.