Abstract: The present invention relates to the technical field of vehicle maintenance and device calibration, and discloses a vehicle-mounted radar calibration device and method. The vehicle-mounted radar calibration device includes a bracket apparatus and a radar calibration component. The radar calibration component is configured to be installed on the bracket apparatus and includes a base board. After calibration on the vertical plane of the base board is completed, the radar calibration component is configured to reflect a radar wave, emitted by a vehicle-mounted radar of a to-be-calibrated vehicle, to the vehicle-mounted radar, to calibrate the vehicle-mounted radar. In the present invention, after the vertical plane of the base board is calibrated, the radar calibration component is used to reflect the radar wave emitted by the vehicle-mounted radar to the vehicle-mounted radar.

Abstract: The embodiment is an unmanned aerial vehicle, including a body and wings. A first connection portion is disposed on one of the body and the wing. A second connection portion is disposed on the other of the body and the wing. The first connection portion and the second connection portion are detachably connected. The first connection portion is engaged with the second connection portion. The body and the wing are locked by rotating or sliding the second connection portion. The body can be conveniently assembled with or disassembled from the wing and the connection part meets the reliability of strength and rigidity and does not affect the flight performance.

Abstract: The present invention relates to the technical field of automobile maintenance and discloses a calibration device for a lane keeping assist (LKA) system. The calibration device includes a support apparatus, a laser and a pattern board. The support apparatus includes a horizontal graduated scale. The laser is configured to be mounted on the body of an automobile and to emit a laser beam to the horizontal graduated scale. The pattern board is mounted on the support apparatus and is configured to attach an alignment pattern. By means of the calibration device, two lasers are mounted on wheels on two sides of the automobile. Two laser beams that are emitted from equal distances with the wheels being reference points are irradiated to the horizontal graduated scale. Based on marks on the horizontal graduated scale, the support apparatus may be moved to an appropriate position to calibrate the centerline of the automobile.

Abstract: The present invention discloses an unmanned aerial vehicle including a main body, a plurality of arms, a propulsion assembly and a battery assembly, where each arm is coupled to the main body and the propulsion assembly is disposed on the each arm. The battery assembly is accommodated in a battery compartment of the main body. The battery assembly includes a shell, a battery body substantially disposed in the shell, a clamp button, and a restorable elastic piece. An end of the clamp button is mounted or connects to the shell, and the other end of the clamp button is detachably coupled to the main body. An end of the restorable elastic piece is disposed on the shell or connect to the shell, and the other end of the restorable elastic piece contacts the clamp button.

Abstract: The present invention relates to the technical field of vehicle maintenance and device calibration, and discloses a vehicle-mounted radar calibration device and method. The vehicle-mounted radar calibration device includes a bracket apparatus and a radar calibration component. The radar calibration component is configured to be installed on the bracket apparatus and includes a base board. After calibration on the vertical plane of the base board is completed, the radar calibration component is configured to reflect a radar wave, emitted by a vehicle-mounted radar of a to-be-calibrated vehicle, to the vehicle-mounted radar, to calibrate the vehicle-mounted radar. In the present invention, after the vertical plane of the base board is calibrated, the radar calibration component is used to reflect the radar wave emitted by the vehicle-mounted radar to the vehicle-mounted radar.

Abstract: The present invention relates to the technical field of vehicle maintenance and device calibration, and discloses a vehicle-mounted radar calibration device and method. The vehicle-mounted radar calibration device includes a bracket apparatus and a radar calibration component. The radar calibration component is configured to be installed on the bracket apparatus and includes a base board. After calibration on the vertical plane of the base board is completed, the radar calibration component is configured to reflect a radar wave, emitted by a vehicle-mounted radar of a to-be-calibrated vehicle, to the vehicle-mounted radar, to calibrate the vehicle-mounted radar. In the present invention, after the vertical plane of the base board is calibrated, the radar calibration component is used to reflect the radar wave emitted by the vehicle-mounted radar to the vehicle-mounted radar.

Abstract: The present invention relates to the technical field of automobile maintenance and device calibration, and discloses a calibration device of an automobile assistance system, the radar calibration device including a support assembly, a beam assembly, and a sliding member. The beam assembly is mounted to the support assembly and may move relative to the support assembly along a vertical direction. The sliding member is mounted to the beam assembly and may move relative to the beam assembly along a horizontal direction.

Abstract: The present invention provides a tire pressure sensor, including a housing, a PCBA installed within the housing, a power supply device installed within the housing and electrically connected to the PCBA, and an antenna connected to the PCBA. The antenna is wrapped around the PCBA, and at least one turn of the antenna is wrapped around the PCBA. An effective space of the antenna may be particularly enlarged by wrapping the antenna around the PCBA, thereby improving efficiency of the antenna, increasing a signal transmitting distance of the antenna, and enhancing signal transmission stability and anti-interference capability of the antenna, so that an automobile receiver can stably receive, in real time, information such as internal pressure and a temperature of the tire detected by the PCBA, better implementing real-time monitoring of the air pressure, the temperature, and the like within the tire.

Abstract: The present invention discloses an auxiliary calibration device. The auxiliary calibration device may be configured to mount one or more calibration apparatuses. The auxiliary calibration device includes: a supporting frame; a guide rail, where the guide rail is mounted on the supporting frame; and a slider, where the slider is mounted on the guide rail, movable along the guide rail, and disposed to fasten a calibration apparatus used for calibration. The present invention may be applied to the field of auxiliary calibration devices of vehicles. By disposing a guide rail and a slider structure, the calibration apparatus required by calibration can be conveniently moved to a required position, thereby facilitating calibration for sensors of different types or sensors of a same type in different models of vehicles. Therefore, the auxiliary calibration device has a good commonality and is conveniently used.

Abstract: The disclosure relates to the field of automobile detection apparatus technologies, and provides a tire pressure sensor including: a sensor body, a valve assembly connected to the sensor body, a locking member, a resilient member, and a button; wherein a fixture block assembly is disposed at a connecting end of the valve assembly; the locking member is disposed within the sensor body, and the locking member limiting the fixture block assembly when the connecting end is inserted into the sensor body; the button is disposed within the sensor body, and when the button receives an external force, the button transmits an external force to the fixture block assembly, so that the locking member relieves limiting of the fixture block assembly. An entire process of installation and disassembly of the tire pressure sensor becomes simpler and faster.

Abstract: The present invention discloses an auxiliary calibration device. The auxiliary calibration device may be configured to mount one or more calibration apparatuses. The auxiliary calibration device includes: a supporting frame; a guide rail, where the guide rail is mounted on the supporting frame; and a slider, where the slider is mounted on the guide rail, movable along the guide rail, and disposed to fasten a calibration apparatus used for calibration. The present invention may be applied to the field of auxiliary calibration devices of vehicles. By disposing a guide rail and a slider structure, the calibration apparatus required by calibration can be conveniently moved to a required position, thereby facilitating calibration for sensors of different types or sensors of a same type in different models of vehicles. Therefore, the auxiliary calibration device has a good commonality and is conveniently used.

Abstract: The present invention discloses an auxiliary calibration device. The auxiliary calibration device may be configured to mount one or more calibration apparatuses. The auxiliary calibration device includes: a supporting frame; a guide rail, where the guide rail is mounted on the supporting frame; and a slider, where the slider is mounted on the guide rail, movable along the guide rail, and disposed to fasten a calibration apparatus used for calibration. The present invention may be applied to the field of auxiliary calibration devices of vehicles. By disposing a guide rail and a slider structure, the calibration apparatus required by calibration can be conveniently moved to a required position, thereby facilitating calibration for sensors of different types or sensors of a same type in different models of vehicles. Therefore, the auxiliary calibration device has a good commonality and is conveniently used.

Abstract: The present invention discloses an unmanned aerial vehicle including a main body, a plurality of arms, a propulsion assembly and a battery assembly, where each arm is coupled to the main body and the propulsion assembly is disposed on the each arm. The battery assembly is accommodated in a battery compartment of the main body. The battery assembly includes a shell, a battery body substantially disposed in the shell, a clamp button, and a restorable elastic piece. An end of the clamp button is mounted or connects to the shell, and the other end of the clamp button is detachably coupled to the main body. An end of the restorable elastic piece is disposed on the shell or connect to the shell, and the other end of the restorable elastic piece contacts the clamp button.

Abstract: The present application provides a gimbal quick assembly/disassembly apparatus and an unmanned aerial vehicle having the same. The gimbal quick assembly/disassembly apparatus includes a fuselage seat component, a gimbal seat component and a locking component. The fuselage seat component is fixedly mounted on a bearing member, the gimbal seat component is fixedly mounted on a gimbal and the gimbal seat component includes a gimbal seat. The locking component is mounted on the fuselage seat component or on the gimbal seat component and the gimbal seat component and the fuselage seat component are detachably mounted together by using the locking component. The gimbal is detachably mounted on the unmanned aerial vehicle, resolving problems of complex assembled/disassembled operations and low efficiency that are caused when the gimbal is fixedly mounted on the unmanned aerial vehicle and realizing quick assembly/disassembly of the gimbal to/from the unmanned aerial vehicle.

Abstract: The present invention relates to the technical field of automobile maintenance and discloses a calibration device for a lane keeping assist (LKA) system. The calibration device includes a support apparatus, a laser and a pattern board. The support apparatus includes a horizontal graduated scale. The laser is configured to be mounted on the body of an automobile and to emit a laser beam to the horizontal graduated scale. The pattern board is mounted on the support apparatus and is configured to attach an alignment pattern. By means of the calibration device, two lasers are mounted on wheels on two sides of the automobile. Two laser beams that are emitted from equal distances with the wheels being reference points are irradiated to the horizontal graduated scale. Based on marks on the horizontal graduated scale, the support apparatus may be moved to an appropriate position to calibrate the centerline of the automobile.

Abstract: The present invention relates to the technical field of automobile maintenance and device calibration, and discloses a calibration device of an automobile assistance system, the radar calibration device including a support assembly, a beam assembly, and a sliding member. The beam assembly is mounted to the support assembly and may move relative to the support assembly along a vertical direction. The sliding member is mounted to the beam assembly and may move relative to the beam assembly along a horizontal direction.

Abstract: The present invention relates to the technical field of vehicle maintenance and device calibration, and discloses a vehicle-mounted radar calibration device and method. The vehicle-mounted radar calibration device includes a bracket apparatus and a radar calibration component. The radar calibration component is configured to be installed on the bracket apparatus and includes a base board. After calibration on the vertical plane of the base board is completed, the radar calibration component is configured to reflect a radar wave, emitted by a vehicle-mounted radar of a to-be-calibrated vehicle, to the vehicle-mounted radar, to calibrate the vehicle-mounted radar. In the present invention, after the vertical plane of the base board is calibrated, the radar calibration component is used to reflect the radar wave emitted by the vehicle-mounted radar to the vehicle-mounted radar.

Abstract: The present invention relates to the technical field of automobile maintenance and device calibration, and discloses a calibration device of an automobile assistance system, the radar calibration device including a support assembly, a beam assembly, and a sliding member. The beam assembly is mounted to the support assembly and may move relative to the support assembly along a vertical direction. The sliding member is mounted to the beam assembly and may move relative to the beam assembly along a horizontal direction.

Abstract: The present invention provides a power assembly, including: a motor, a fixing base and a propeller. The fixing base is sleeved over a motor rotation shaft and is fastened to a base body of the motor, and the fixing base is provided with a first clamping portion. The propeller includes a base portion and a blade extending from the base portion, and the base portion is provided with a second clamping portion clamped to the first clamping portion. The propeller is detachably connected to the motor by engaging the first clamping portion with the second clamping portion, so that the propeller can be effectively prevented from loosening from the motor during the vibration or acceleration, and is easy to disassemble/assemble and carry.

Abstract: The present invention discloses an unmanned aerial vehicle including a main body, a plurality of arms, a propulsion assembly and a battery assembly, where each arm is coupled to the main body and the propulsion assembly is disposed on the each arm. The battery assembly is accommodated in a battery compartment of the main body. The battery assembly includes a shell, a battery body substantially disposed in the shell, a clamp button, and a restorable elastic piece. An end of the clamp button is mounted or connects to the shell, and the other end of the clamp button is detachably coupled to the main body. An end of the restorable elastic piece is disposed on the shell or connect to the shell, and the other end of the restorable elastic piece contacts the clamp button.