Abstract: A skin manufacturing post-treatment method for an automobile collision dummy includes: forming a first pouring portion on a skin layer to be treated, and forming a patching recess by grinding the first pouring portion; obtaining an epidermis layer to be treated, and arranging a heating assembly above the patching recess, where the heating assembly is attached to an interior of the patching recess, and the epidermis layer; and simultaneously heating, by the heating assembly, the patching recess and the epidermis layer to be treated. In this way, the epidermis layer to be treated and an inner wall of the patching recess can be simultaneously heated at the first preset temperature, the epidermis layer to be treated and the inner wall of the patching recess are consistent in temperature, and a connection strength between the epidermis layer to be treated and the inner wall of the patching recess is enhanced.

Abstract: A skin manufacturing post-treatment device for an automobile collision dummy device includes a post-treatment mechanism, where the post-treatment mechanism includes a rotary operation table that is provided with a cutting station, a grinding station, a skin patching station and a removal station in a circumferential direction; the cutting station is configured to cut an injection molding residual material on a surface of a dummy skin, and the grinding station is configured to grind a cut position to form a frustum-shaped patching recess; and the skin patching station is configured to fill the patching recess with a welding skin patching material, and the removal station is configured to clean a skin patching position.

Abstract: A method for predicting dummy head injury during an automobile collision includes: enabling a dummy head to collide with a rigid flat plate; obtaining a first data set in a collision process; calculating the maximum contact force of the dummy head and the rigid flat plate in the collision process according to the first data set; dividing a duration of the collision process into a plurality of time intervals; and calculating an injury value of the dummy head in each time interval according to the maximum contact force, and selecting the maximum injury value as a target injury value. The method provided by the present application may realize prediction for the head injury under different scene working conditions, and has the advantages of being simple in test flow, and high in prediction precision.

Abstract: Disclosed is a separated multi-core transmitting device based on a ground transient electromagnetic method, comprising: a rectangular transmitting coil enclosed by a cable I, a cable II, a cable III, and a cable IV. Each of the cable I, the cable II, the cable III, and the cable IV is provided with N wires. Two ends of each of the N wires is provided with a sub connector and a female connector, respectively. The sub connectors and the female connectors are detachably connected through sub connector interfaces and female connector interfaces. A first wire of the female connectors of the cable I is led out to serve as a positive electrode of a transient electromagnetic instrument transmitter, and a last wire of the sub connectors of the cable IV is led out to serve as a negative electrode of the transient electromagnetic instrument transmitter.

Abstract: A heat exchange system of a vehicle lighting device. The heat exchange system includes an air duct that is arranged facing a heat sink for transferring heat by the light sources of the lighting device. The air duct includes an air inlet portion with a first air passage area receiving an airflow into the air duct and an air outlet portion with a second air passage area directing the airflow towards a heatsink. In addition, an intermediate portion is disposed between the air inlet portion and the air outlet portion. The intermediate portion is having a variable cross-section in a non-linear way. The largest section of the intermediate portion is superior to the section of both the first air passage area and the second air passage area.

Abstract: A time domain electromagnetic tensor based logging method, relating to the field of induction logging. A transmitting coil system Tx and a receiving coil system Rx are each composed of three orthogonal direction coils, and the transmitting coil system and the receiving coil system form a borehole probe; a time domain electromagnetic field is excited by means of two orthogonal transmitting coil systems Tx, and a secondary field signal is received by two orthogonal receiving coil systems Rx located above transmitting coils and having a distance D; during each measurement, three directions are used for transmitting, nine component data is received at the same time, and each component is a series of induction potentials in one-to-one correspondence with measurement time sequences, and a potential or resistance change, from near to far, of the rock stratum where a measurement point is located is obtained after time-depth conversion.

Abstract: Disclosed are a tool and a method for measuring a parallelism and coaxiality of a rotating shaft of shoulder joint of a crash dummy, relating to the technical field of vehicle safety crash testing dummies. The measuring tool and a method can efficiently and accurately measure the coaxiality and parallelism of the rotating shaft of shoulder joint of the crash dummy.

Abstract: A method for recovering C2 components in a methane-containing industrial gas includes the steps of (1) cooling a compressed methane-containing industrial gas and performing gas-liquid separation; (2) absorbing C2 components in the gas phase by using an absorbent to obtain an absorption rich liquid; (3) returning the absorption rich liquid to the compression in step (1) or mixing the absorption rich liquid with the liquid phase obtained in step (1) to obtain a mixed liquid, and depressurizing the mixed liquid or the absorption rich liquid; (4) performing methane desorption on the depressurized stream to obtain a rich absorbent, or performing second gas-liquid separation on the depressurized stream, followed by methane desorption on the second liquid phase to obtain a rich absorbent; and (5) desorbing and separating the rich absorbent to obtain a lean absorbent and an enriched gas, and recycling and reusing the lean absorbent.

Abstract: A receptor material, a synthesis method and use thereof is disclosed. The synthesis method of the receptor material includes: S1, reacting the compound shown in a formula I with LiAlH4 to obtain a compound shown in a formula II; S2, reacting the compound shown in the formula II with 1,10-phenanthroline-5,6-dione to obtain a compound shown in a formula III; S3, reacting the compound shown in the formula III with phosphorus oxychloride and N,N-dimethylformamide to obtain a compound shown in a formula IV; and S4, reacting the compound shown in the formula IV with (5,6-dihalo-3-oxo-2,3-dihydro-1H-inden-1-ylidene)malononitrile. The receptor material provided by the present disclosure can effectively improve the open-circuit voltage and photoelectric conversion efficiency of organic photovoltaics cells including the receptor material. The present disclosure further provides an organic photovoltaic cell including the above receptor material and a method for preparing the organic photovoltaic cell.

Abstract: The present application relates to the technical field of aerial climbing and transportation operations, and provides a fall protection locking assembly, a fall protection device and a fall protection system.

Abstract: A time domain electromagnetic tensor based logging method, relating to the field of induction logging. A transmitting coil system Tx and a receiving coil system Rx are each composed of three orthogonal direction coils, and the transmitting coil system and the receiving coil system form a borehole probe; a time domain electromagnetic field is excited by means of two orthogonal transmitting coil systems Tx, and a secondary field signal is received by two orthogonal receiving coil systems Rx located above transmitting coils and having a distance D; during each measurement, three directions are used for transmitting, nine component data is received at the same time, and each component is a series of induction potentials in one-to-one correspondence with measurement time sequences, and a potential or resistance change, from near to far, of the rock stratum where a measurement point is located is obtained after time-depth conversion.

Abstract: Disclosed are a tool and a method for measuring a perpendicularity and an angle of a femur of a vehicle crash dummy. The tool includes: a base, where the base is provided with a guide ring gear; and a clamp assembly, where the clamp assembly is configured to clamp a femur part. A measurement assembly can measure the perpendicularity and the angle of the femur part conveniently.

Abstract: A method for measuring a relationship between crash dummy chest compression and a safety belt load, includes: controlling, when a dummy is fixed in a preset posture on a fixed bed in a test platform via a safety belt in a safety belt restraint apparatus, a chest cover plate in the test platform to move so as to maintain a preset relative position between the chest cover plate and the dummy; controlling an impact apparatus to pull the safety belt in each pulling force to be measured, and determining a target displacement value of each measuring point on the dummy and a target pulling force between the impact apparatus and the safety belt after a first preset duration; and determining a target pulling force-displacement curve corresponding to each measuring point according to each target displacement value and each target pulling force.

Abstract: Disclosed are a tool and a method for measuring a parallelism and an angle of a shank skeleton of a vehicle crash dummy. The tool includes: a fixation seat, where a magnetic fastener is arranged on the fixation seat and configured to mount a shank U-shaped member; and a movement assembly that is configured to drive a measurement assembly to move, so as to change a relative position of a measurement end of the measurement assembly and the shank U-shaped member. The condition that the measurement assembly directly comes into contact with the shank U-shaped member, and damages a surface of the shank U-shaped member is avoided while making an entire measurement process more convenient.

Abstract: A heat exchange system of a vehicle lighting device. The heat exchange system includes an air duct that is arranged facing a heat sink for transferring heat by the light sources of the lighting device. The air duct includes an air inlet portion with a first air passage area receiving an airflow into the air duct and an air outlet portion with a second air passage area directing the airflow towards a heatsink. In addition, an intermediate portion is disposed between the air inlet portion and the air outlet portion. The intermediate portion is having a variable cross-section in a non-linear way. The largest section of the intermediate portion is superior to the section of both the first air passage area and the second air passage area.

Abstract: A method for impact test on a lower abdomen of a vehicle crash test dummy includes: controlling an arc-shaped hammer head to impact a lower abdomen of a preset dummy at a preset speed; obtaining displacements from a displacement sensor, wherein the displacements are generated by the lower abdomen of the preset dummy and the arc-shaped hammer head during the impact; obtaining a pressure from a pressure sensor, wherein the pressure is borne by the lower abdomen of the preset dummy during the impact; and determining, based on the displacements and the pressure, whether the preset dummy satisfies a biological simulation standard. The method is capable of testing whether the current dummy satisfies the biological simulation standard, so as to ensure the accuracy of test data in subsequent vehicle crash tests using the dummy.

Abstract: A method for calibrating a chest of a vehicle crash dummy, includes: controlling, under each preset test condition, a pressing apparatus to press down a chest of a target crash dummy with a target pressing speed and a target pressing distance corresponding to the preset test condition, obtaining an actual force-displacement curve under each preset test condition, obtaining a standard force-displacement curve of a chest of a standard crash dummy under each preset test condition, and determining, according to the actual force-displacement curve and the standard force-displacement curve under each preset test condition, whether the chest of the target crash dummy satisfies a biological simulation standard. Through collecting information under various preset test conditions, various complicated conditions of impact on the chest can be more effectively simulated in a crash test by using the method, which improves the accuracy of determining the biological simulation standard.

Abstract: A method for measuring a relationship between crash dummy chest compression and a safety belt load, includes: controlling, when a dummy is fixed in a preset posture on a fixed bed in a test platform via a safety belt in a safety belt restraint apparatus, a chest cover plate in the test platform to move so as to maintain a preset relative position between the chest cover plate and the dummy; controlling an impact apparatus to pull the safety belt in each pulling force to be measured, and determining a target displacement value of each measuring point on the dummy and a target pulling force between the impact apparatus and the safety belt after a first preset duration; and determining a target pulling force-displacement curve corresponding to each measuring point according to each target displacement value and each target pulling force.