37results about How to "Fast signal delivery" patented technology

The invention belongs to the technical field of motor vehicle braking, particularly relates to a multi-functional braking system with declaration torque rising motion conversion mechanism and active adjusting. The purpose of the multi-functional braking system is to supply a system with compact structure, convenient arrangement and simple structure. The multi-functional braking system is characterized by further comprising a brake out shell (21), a brake pedal simulator, a brake master cylinder (3) and a conversion mechanism. By the multi-functional braking system with declaration torque rising motion conversion mechanism and active adjusting, a vacuum booster is canceled, the mechanical connection between the brake pedal and a liquid chamber is canceled, the total body mass is effectively reduced. The structure is compact and the arrangement is easy. The complexity in structure is highly decreased and cost is decreased. By using an electrical machine as the power source, that is connecting machinery with electric, the signal transmission is quick and braking response is quick. By adopting braking backups of mechanical structure, backup structure is allowed to intervene quickly to generate certain braking effect when electrical structure loses effect, and thereby driving safety is guaranteed.

Disclosed is a rehabilitation training bed for a stroke patient. The rehabilitation training bed comprises a bedstead, a support plate, a control mechanism and a driving motor set; the support plate is composed of a fixed part and a rotating part which are hinged to each other, one end of the support plate is provided with a head and neck support, the head and neck support is of an inflatable structure, and the outer surface of the head and neck support is provided with electrode sheets capable of releasing stimulating pulses; a power mechanism and a push-pull rod are arranged below the rotating part to achieve upward pushing and downward returning of the rotating part. The support plate is provided with forearm fixing plates and calf fixing plates, wherein electrode sheets are distributed on the surfaces of the forearm fixing plates and the surfaces of the calf fixing plates; the driving motor set can drive the upper limbs or the lower limbs of the patient to make left-right swing and forth-back extension movement through the forearm fixing plates and the calf fixing plates. The rehabilitation training bed for the stroke patient can automatically conduct sitting-up and lying-down training, constant changing of the functional positions of the upper limbs and the lower limbs and pulse massage stimulation on the stroke patient, so that muscle spasm and atrophy of the stroke patient who is bedridden for a long time are effectively avoided, and the rapid rehabilitation of the stroke patient is promoted.

The invention discloses a stability monitoring system and an excavator, and belongs to the field of monitoring for engineering machinery. The monitoring system comprises a plurality of dynamometry devices 1, a processor 2 and a controller 3. The dynamometry devices 1 are arranged on the inner circumference of a base 5 of a rotating support 4 of the excavator and are uniformly distributed on the inner circumference of the base 5. The dynamometry devices 1 are connected with the controller 3 by the processor 2. According to the technical scheme, the stability monitoring system and the excavator have the advantages that the real-time integral stability monitoring system for the excavator is high in integration level and wide in working condition coverage, and is simple and feasible, and functions of obliquely monitoring the excavator, monitoring bending moment on the excavator under various working conditions in real time, identifying the running direction of the excavator, accessorily controlling critical tilting bending moment and the like can be realized.

The invention discloses a method of controlling KNX intelligent gateway multi-matched connection. The KNX intelligent gateway is configured with multiple ports capable of bearing different protocols; the KNX intelligent gateway is internally provided with a protocol conversion module; and different protocols can be converted in the protocol conversion module, thereby realizing interconnection and intercommunication among different protocols. The KNX intelligent gateway can realize conversion among multiple different protocols, quick signal transmission can be realized among multiple different protocols, a third device does not need to be used, and the device purchasing cost and the manual cost are reduced.

The invention provides a semiconductor device package structure and package method. The package structure comprises a chip group, wherein the chip group is arranged in a package layer and comprises aplurality of chips, the plurality of chips are connected in a perpendicular direction, a lead of each chip in the plurality of chips is arranged on a side wall of the chip group, and a side wall is exposed out of the package layer. The lead of each chip in the chip group is connected to the side wall of the chip group from a bonding pad, the lead is connected from the side wall, the line distanceamong chips is reduced, so that a signal is more rapidly transferred, and various TSV double-side processes are prevented; and the semiconductor device is high in reliability, small in package size, good in integral performance, simple in fabrication process and high in production efficiency.

The invention relates to a preparation method of a 3D polypyrrole chitosan gelatin composite electric conduction material. According to the preparation method, chitosan and pyrrole are used as raw materials, under the existence of a single electron reducing agent, namely, ferric trichloride, a polypyrrole- chitosan polymer is generated through reaction; then under the existence of a cross-linkingagent, namely, glutaraldehyde, the polypyrrole-chitosan polymer is cross-linked in pores of a gelatin sponge sheet, and thus the 3D polypyrrole chitosan gelatin composite electric conduction materialwith the porous structure is formed. The 3D polypyrrole chitosan gelatin composite electric conduction material prepared by adopting the method disclosed by the invention has relatively good mechanical strength, good biocompatibility, relatively high electric conduction property, relatively low impedance, and small voltage loss, and can accelerate transmission of Ca<2+> among myocardial cells. Anin-vitro evaluation experiment proves that the 3D polypyrrole chitosan gelatin composite electric conduction material has feasibility and effectiveness when used as a repair material in the heart of the rat to replace a whole-layer right ventricle outflow channel defect.

The invention discloses a brake, a brake system and a vehicle. The brake comprises a drive motor, a conversion component, a wedge block component, brake pads and a brake disc, wherein the conversion component is suitable for converting rotation of the drive motor into rectilinear motion; the wedge block component comprises a first wedge block and a second wedge block, the wedge-shaped faces of thefirst wedge block and the second wedge block are oppositely arranged, and the first wedge block and the conversion component synchronously conduct rectilinear motion; the brake pads and the second wedge block synchronously move; and one part of the brake disc and the brake pads are oppositely arranged. Due to the adoption of the drive motor, a mechanical and electrical connecting mode makes the structure of the brake simple, mechanical connection is little, the weight and the size are small, a signal is transmitted quickly, a brake response is made quickly and sensitively, and quick braking can be achieved. In addition, the transmission efficiency is high due to the connecting mode, and energy can be effectively saved.

The invention provides a multi-foot-boosting rehabilitation robot. The multi-foot-boosting rehabilitation robot comprises waistband structures and bionic mechanical legs, wherein each two waistband structures are connected in series, then an annular waistband is formed, the waistband structures and the bionic mechanical legs are connected, each bionic mechanical leg comprises proximal shank, middle shank and distal shank, the waistband structures are connected with the upper end of the proximal shank through a side-sway joint, the proximal shank is connected with the rear end of the middle shank end through a first bending joint, and the middle shank is connected with the upper end of the distal shank through a second bending joint. The invention provides the multi-foot-boosting rehabilitation robot which is good in balance and high in energy utilizing efficiency, and is effectively applied to assisted rehabilitation of old people and the lower-limb disabled.

The invention discloses a biological anchoring agent as well as a preparation method and application thereof. The biological anchoring agent is prepared from molasses, a chelating agent, a quorum sensing regulation factor, trace elements and water; wherein the concentration of the molasses is 100-200 g / L, the concentration of the chelating agent is 10-15 g / L, the concentration of the quorum sensing regulation factor is 0.002-0.3 g / L, and the concentration of the trace elements is 5-10 g / L. The anchoring agent can rapidly promote microorganisms to secrete a large amount of extracellular polymeric substances and attach the extracellular polymeric substances to a biological carrier, the microbial biomass and biological activity of a sewage treatment system are greatly improved, starting of the sewage treatment system can be rapidly completed, normal operation of the sewage treatment system can be achieved, and the impact resistance and environmental stress resistance of the sewage treatment system can be improved; the biological toxicity resistance, the temperature resistance and the salinity resistance of the sewage treatment system are improved, the sewage treatment system can be quickly recovered when being impacted, and the stable operation of the sewage treatment system is maintained.

The invention discloses a pedal-feeling simulator for a vehicle and the vehicle with the pedal-feeling simulator. The vehicle comprises a pedal, and the pedal-feeling simulator comprises a shell, a linear motor and an elastic part; and the linear motor comprises a motor primary part, a motor secondary part and a motor push rod, the motor primary part is fixed to the inner wall of the shell, the motor secondary part is arranged in the motor primary part, the motor secondary part is matched with the motor primary part so as to enable the motor secondary part to axially move relative to the motorprimary part, the motor secondary part sleeves the motor push rod to drive the motor push rod to move synchronously, the first end of the motor push rod extends out of the shell to be suitable for being connected with the pedal, and the elastic part is used for applying elastic force to the motor push rod. The pedal-feeling simulator for the vehicle is high in response speed, has a good braking effect, and meanwhile can provide a good 'brake feeling', especially a pedal braking feeling, for a driver.

The invention discloses a device for measuring concentration of medical oxygen. The device comprises a cylindrical gas circuit connection pipe; the top part of a horizontally placed cylinder surface of the gas circuit connection pipe is a rectangular surface; the center of a rectangle is provided with a round hole, and is communicated with the gas circuit connection pipe; a buffer pipe is arranged on the rectangular surface at the top of the gas circuit connection pipe, and is communicated with the round hole; the buffer pipe is a vertically placed cylinder and is communicated with the gas circuit connection pipe; the top of the vertically placed buffer pipe is communicated with a gas concentration measurement pipe which is a cylinder; the lower part of the cylinder surface of the gas measurement pipe is a rectangular surface; the center of the rectangular surface at the lower part of the buffer pipe is provided with a round hole, and is communicated with the gas circuit connection pipe through the buffer pipe; the whole materials are prepared by adopting light aluminum alloy; the gas circuit connection pipe is used for being connected with the measured gas; the gas is ensured to disperse to the measurement pipe after the gas circuit connection pipe is connected with the gas, thus the gas concentration can be measured in the measurement pipe; an ultrasonic transmitter arranged in measurement pipe is used for transmitting and receiving ultrasonic signals which can be sent to a self-control circuit board through wires; signals are operated according to the different oxygen concentrations and different transmission speeds by the ultrasonic wave, and the signals are transmitted to a display after being processed, at this time, the corresponding oxygen concentration value can be observed on the display.

The invention relates to the field of semiconductor packaging, and discloses a chip-size wafer-level scale packaged dynamic random access memory and a manufacturing method therefor. The dynamic randomaccess memory comprises a stacked chip; the stacked chip comprises main chips and a control chip; and the main chips and the control chip are arranged in a stacked manner and the control chip is stacked between the two main chips. By enabling the control chip to be stacked between the two main chips of the stacked chip, particularly in the middle layer position of the stacked chip, the maximum connection distance between each main chip and the control chip can be obviously shortened, thereby effectively accelerating signal transfer between the chips; and meanwhile, the problems of signal noise and heating of the dynamic random access memory can be well controlled conveniently.

The invention provides a police wireless rapid defense deployment system. The police wireless rapid defense deployment system comprises a wireless high-definition camera and a wireless relay base station which are in wireless communication with each other, wherein both the wireless high-definition camera and the wireless relay base station are provided with antennas; a video server is connected with the wireless relay base station; the wireless high-definition camera is used for acquiring a field video image in real time, and transmitting the video image to the wireless relay base station wirelessly; the wireless relay base station is used for receiving the video image, and transmitting the video image to the video server; and the video server is used for receiving the video image, and monitoring the video image. Through adoption of the system provided by the invention, the defects in the prior art are overcome. An independent network is adopted, so that the system is economical, safe and reliable. The system has the advantages of convenience and rapidness in defense deployment and defense cancelling, rapidness and accuracy in signal transmission, long transmission distance, wide coverage, flexibility in networking, and easiness in coordination of trans-department communication.

The invention discloses a battery pack monitoring device, which comprises a master control module and a plurality of monitoring modules, wherein each monitoring module monitors work information of a battery pack, sends out an alarm signal and uploads the alarm signal to the master control module; the master control module obtains the uploaded work information of the battery pack and gives an alarm; the master control module and the monitoring modules are in series communication through a communication line in sequence; an idle communication interface of the last monitoring module is shorted and the monitoring module directly uploads the alarm signal to the master control module; and a ground wire of the later stage of monitoring module is connected with a positive electrode of the battery pack monitored by the previous stage of monitoring module. The invention further discloses a monitoring method of the battery pack monitoring device. The monitoring method comprises the steps as follows: the master control module and the monitoring modules make a communication protocol; the master control module monitors the alarm signal uploaded by the monitoring modules and timely gives an alarm; the master control module issues a data uploading instruction to the monitoring modules; and the monitoring modules gradually upload the monitored data to the master control module from the later stage to the front stage. The battery pack monitoring device is few in connection lines, convenient to expand and extremely high in fault signal transmission velocity.

The invention discloses a manufacturing method of a photosensitive diode, comprising: firstly providing a substrate comprising a doping well; then forming a first doping region in the doping well; and then making use of an epitaxial process on the surface of the first doping region to form a conducting layer and meanwhile in-situ dopes the conducting layer to form a second doping region on the surface thereof. The manufacturing method of the photosensitive diode of the invention is mostly characterized in avoiding that the lattice structure of the surface is injected by high dose doping agent to be destroyed in the craftwork, thereby effectively reducing a dark current value generated in the non-light state and improving the sensitivity of the photosensitive diode.

The invention discloses a quick response gear shifting sensing sensor mechanism. The quick response gear shifting sensing sensor mechanism mainly comprises a rocker arm, a torsion spring mechanism anda sensing mechanism. The upper end of the rocker arm is movably connected with the lower end of a gear lever. The torsion spring mechanism and the sensing mechanism are arranged on the right side ofthe rocker arm from left to right in sequence. The torsion spring mechanism and the sensing mechanism are fixedly connected through a connecting plate. The torsion spring mechanism comprises a torsionspring shaft and a torsion spring. The sensing mechanism comprises a trigger plate, a sensing column and a sensor. An L-shaped connecting piece is fixed to the front side face of the gear lever. Thefar end of the L-shaped connecting piece is connected with the trigger plate. The L-shaped connecting piece penetrates through the space between two rotary arms of the torsion spring. In short, the quick response gear shifting sensing sensor mechanism is simple in structure, reliable in operation, small and exquisite in overall outline and quick in response, is mounted at the gear shifting operation end and can rapidly identify the gear shifting intention to realize control over clutch engagement and disengagement.

The invention discloses a drill tapping machine which comprises a control box. The drill tapping machine is characterized in that the control box is internally provided with a frequency converter and drivers used for respectively controlling the strokes of a main shaft on X, Y, and Z axes, and the frequency converter is connected with a signal transmission end arranged among the drivers through an optical fiber. The drill tapping machine disclosed by the invention has the advantages that the optical fiber replaces a signal wire of the traditional metal carrier, and the defects that the signal wire in the existing control box is slow in signal transmission, and the signal transmission is easy to be interfered are overcome.

The invention discloses an electric connector assembly which is used for enabling two electronic devices to mutually transmit signals, and the electric connector assembly comprises a first electric connector and a second electric connector, and the first electric connector is used for being fixedly arranged in one electronic device and comprises a first body and a first antenna assembly. The firstbody is provided with a first limiting structure. The first antenna assembly comprises at least one first radiator. One end of the second electric connector is used for being connected with another electronic device, and the other end of the second electric connector comprises a second body and a second antenna assembly. The second body is provided with a second limiting structure. The second antenna assembly includes a second radiator. The first antenna assembly and the second antenna assembly can transmit millimeter wave frequency band signals to each other.

The invention provides a side-sway joint of a multi-foot-boosting rehabilitation robot. The side-sway joint comprises electric push rod drivers, rotation pairs for connecting waistband structures of the robot and the electric push rod drivers, rotation pairs for connecting the proximal shank of the shank and the electric push rod drivers, and rotation pairs for connecting the waistband structures and the proximal shank, wherein stepping motors are mounted on motor fixing clamp plates, fixing round holes are formed in the motor fixing clamp plates, fixing hinge pins pass through the fixing round holes and are connected to the waistband structures, output shafts of the stepping motors are connected with one ends of lead screws, the lead screws are connected with lead screw sleeves, one ends of rod-end joint bearings are in clearance fit with the lead screw sleeves through end opening nuts, end round holes are formed in the other ends of the rod-end joint bearings, the end round holes and end hinge pins are connected to the upper part of the shank, the lead screw sleeves are in interference fit with round holes of sliders, the sliders sleeve guide rails in a sliding manner, and the guide rails are fixed to the motor fixing clamp plates. The side-sway joint is good in balance, the energy utilizing efficiency is high, and the side-sway joint is effectively applied to assisted rehabilitation of old people and the lower-limb disabled.

The invention discloses a pedal feel simulator for a vehicle and a vehicle having the same. The vehicle includes a pedal, the pedal feel simulator includes a casing, a linear motor, a first elastic member and a second elastic member, and the linear motor includes a motor primary, The motor secondary and the motor push rod, the motor secondary cooperates with the motor primary so that the motor secondary can move axially relative to the motor primary, the motor secondary drives the motor push rod to move synchronously, and the first end of the motor push rod protrudes out of the casing to fit It is connected with the pedal; the two ends of the first elastic part are matched with the inner wall of the shell and the second end of the motor push rod respectively; the second elastic part and the first elastic part are located on both sides of the primary axial direction of the motor, and the The two ends are fitted on the motor push rod and the motor primary respectively. According to the pedal feeling simulator for vehicles of the present invention, the response speed is fast, the braking effect is good, and at the same time, the driver can be provided with good "braking feeling", especially pedal braking feeling.

The invention relates to the technical field of aircrafts, in particular to a longitudinal double-rotor unmanned aerial vehicle which comprises a main beam; a rotor mechanism and a geosynchronous broadband satellite signal transmission mechanism which are both arranged on the main beam, and a preset distance is formed between the edge part of the rotor mechanism and the geosynchronous broadband satellite signal transmission mechanism. The invention provides the longitudinal double-rotor unmanned aerial vehicle of which the rotor mechanism cannot shield a geosynchronous broadband satellite antenna.

The invention discloses a pedal-feeling simulator for a vehicle and the vehicle with the pedal-feeling simulator. The vehicle comprises a pedal, and the pedal-feeling simulator comprises a shell, a linear motor, a first elastic part and a second electric part; and the linear motor comprises a motor primary part, a motor secondary part and a motor push rod, the motor secondary part is matched withthe motor primary part so that the motor secondary part can axially move relative to the motor primary part, the motor secondary part drives the motor push rod to move synchronously, the first end ofthe motor push rod extends out of the shell to be suitable for being connected with the pedal, the two ends of the first elastic part are matched with the inner wall of the shell and the second end ofthe motor push rod correspondingly, the second elastic part and the first elastic part are located on the two axial sides of the motor primary part, and the two ends of the second elastic part are matched with the motor pushing rod and the motor primary part. The pedal-feeling simulator for the vehicle is high in response speed, has the good braking effect, and meanwhile can provide the good 'braking feeling', especially a pedal braking feeling, for a driver.

The invention discloses a miniaturized double-frequency microstrip array antenna, and belongs to the field of double-frequency microstrip array antennae. The miniaturized double-frequency microstrip array antenna is used in three forms, the miniaturized double-frequency microstrip array antenna is placed at a use position when the miniaturized double-frequency microstrip array antenna is just used, and when signal transmission needs to be enhanced, the miniaturized double-frequency microstrip array antenna can be used by taking down a movable base; at the moment, a rotary protective sleeve can be unfolded through a torsion spring arranged on the rotary protective sleeve, the dual-frequency microstrip array antenna module can be driven to be unfolded after the rotary protective sleeve is unfolded, and the dual-frequency microstrip array antenna module is completely unfolded in a second state used by the device, so that the signal transmission function is enhanced; and when the terrain is low and influences signal transmission, the movable base can be reversed and is in butt joint with a threaded groove formed in the bottom of the pressure-bearing chassis, at the moment, the movable base is in a third state, the height of the device can be increased, signal transmission can be enhanced, the three states can be adjusted according to the use requirements of the device, and the use requirements of the device are met.