14results about How to "Reduce layout complexity" patented technology

The utility model discloses a control system for an aviation device, and belongs to the technical field of aviation weapon control. The control system comprises a power supply control module, an SOC module, a configuration Flash, an EMMC memory, a crystal oscillator, a JTAG, a peripheral component and an external connector. An ARM processor and an FPGA are integrated in the SOC module, and a hard core processor is arranged in the ARM processor and used for executing software tasks. A soft core microprocessor and IP cores are arranged in the FPGA, the IP cores are connected with peripheral components correspondingly controlled by the IP cores one by one, and under the support of the IP cores and the peripheral components corresponding to the IP cores, transceiving control over the interfaces is achieved; the configuration Flash is used for storing a configuration file and serial loading software of the SOC module; the EMMC memory is used for storing software and data; the crystal oscillator is used for providing a clock required by the work of the SOC module; and the JTAG is used for downloading the configuration file of the SOC module to the configuration Flash. The control system provided by the utility model has strong electromagnetic compatibility, can be used in a complex electromagnetic environment, and improves the operation speed and the product reliability through the optimization of the SOC module.

The invention provides a packaging structure. A conductive substrate of the packaging structure is arranged on a support. The first, second, and third bond pads are disposed on the bracket, and the first and second bond pads are separated from the conductive substrate, while the third bond pad is connected to the conductive substrate. The laterally diffused metal oxide semiconductor transistor is arranged on the conductive substrate and comprises a first drain electrode, a first grid electrode and a first source electrode. The depletion mode III-V transistor is disposed on the conductive substrate and separated from the laterally diffused metal oxide semiconductor transistor, and includes a second drain, a second gate, and a second source. The first drain electrode, the first grid electrode and the first source electrode are respectively connected with the second source electrode, the first bonding pad and the conductive substrate connected with the third bonding pad through corresponding bonding wires, and the second drain electrode and the second grid electrode are respectively connected with the second bonding pad and the conductive substrate connected with the third bonding pad through corresponding bonding wires. The efficiency of the switching device can be improved.

According to the control system of the facial mask beauty instrument, different pieces of mask cloth are automatically recognized by recognizing the number of the electrodes, so that automatic switching of working modes of the facial mask beauty instrument is achieved, and the problem of manual switching of a user is solved; the polling detection technology is adopted to detect the electrode tip, so that error detection is avoided; during detection, the disadvantage that a single electrode is used as a detection electrode in a traditional system is overcome through the function of the reuse electrode; in addition, the EMS is used as an excitation source, and the normality of the output of the EMS is detected while the skin attaching state is detected, so that the detection precision of the electrode is improved.

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 invention provides an electric control box, and relates to the technical field of electric control box layout. According to the electric control box provided by the invention, in practical application, the relative position of the upper box body relative to the lower box body can be changed by utilizing the swinging of the upper box body relative to the lower box body, so that the layout of the electric control box is changed, and in practical application, when electrical elements in the electric control box need to be maintained, the layout of the electric control box can be adjusted according to practical requirements, so that the maintenance efficiency is improved. Compared with an electric control box adopting a single box body in the prior art, the electric control box has the advantages that the two cases are respectively provided with two groups of electric elements, so that the depths of the two cases can be smaller, the arrangement complexity of the electric elements in each case is lower, and the electric control box is more convenient to use. Compared with an existing independent box body, the operation difficulty in the box body during maintenance is lower, and the operation efficiency can be better improved.

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 novel Chinese herbal medicine breeding bed which comprises a breeding box, a plurality of moving frames are vertically arranged on the inner side of the breeding box in parallel, and the upper end of each moving frame is connected with a breeding disc in a sliding mode. The spraying head is arranged at one end of the upper end of the inner side of the breeding box and is used for spraying a nutrient solution or water; the moving frame comprises a frame body, the two ends of the inner wall of the frame body are rotationally connected with a driven fluted disc and a driving fluted disc respectively, the driven fluted disc and the driving fluted disc on the same side are in transmission connection through a driving chain, a driving motor is further fixed in the frame body, and the output end of the driving motor is fixedly connected with the driving fluted disc on one side. According to the novel traditional Chinese medicinal material breeding bed, the breeding disc can be driven to move on the inner side of the breeding box through the moving frame, and when liquid needs to be sprayed during breeding, the breeding disc only needs to be moved to the position below the spraying head through the moving frame, so that the pipeline arrangement complexity of a conveying system is reduced, and the device is convenient to repair and maintain.

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.