65results about How to "High adjustment sensitivity" patented technology

The invention relates to the technical field of information, in particular to an illumination lamp based on a microwave radar gesture recognition technology and a control method of the illumination lamp. The illumination lamp comprises a signal transceiving module, a gesture recognition module and a control module, and the signal transceiving module is used for periodically transmitting a microwave radar signal to a preset range and receiving a radar echo signal reflected by the hand; the gesture recognition module is connected with the signal transceiving module and is used for recognizing agesture motion and the gesture motion change of the hand according to the radar echo signal and generating a recognition signal corresponding to the gesture motion and the gesture motion change; the control module is connected with the gesture recognition module and is used for forming a control signal which corresponds to the recognition signal and is used for controlling illumination current according to the recognition signal generated by the gesture recognition module to adjust on and off and the brightness state of the illumination lamp. The illumination lamp is high in sensitivity, convenient to control and low in cost.

The invention discloses a water adding and dispersing regulating method for a smoked sheet damping machine of a high-inertia system. The method comprises the steps of: 1, adding water in advance to estimate, i.e. performing water adding control on tobacco leaves at the first blanking according to a water adding estimation function through a system, and detecting whether the tobacco leaves are output from a tobacco leaf damping barrel or not, so as to judge the first blanking is finished or not; 2, discrete sampling: after entering a normal production state, sampling water from an outlet at fixed time, and recording the sampling value F(t) of the water from the outlet every 10 seconds; and 3, trend comparing and regulating: during sampling, comparing a current water value x with the recorded sampling value F(t) of the water from the outlet in real time, and thus determining the changing trend of the current water. After the method is adopted, the system can obtain certain foreseeability on water variation according to the changing trend of the current water, so that the adjustment sensitivity of the system is increased, a continuous oscillating outlet water condition which is caused by a traditional regulating method is effective reduced, and the high inertia and large hysteresis quality of the system can be overcome to a certain degree.

A lighting device for a vehicle includes multiple light emitting devices. Each light emitting device is constructed of a light emitting diode as a light source and a light guide lens for guiding light emitted from the light emitting diode. The light emitting devices are formed in convex light emitting devices and fan-shaped light emitting devices. The convex devices and the fan-shaped devices have different light distribution characteristics. Therefore, light distribution areas and intensity of the lighting device are more flexibly adjusted than other lighting devices using light emitting diodes as light source.

A high-temp mixing valve is composed of valve rod and valve core, and features that the said valve core has the cavity-type parabolic shape. Its advantages include high refractory performance, easily regulating the flow of high-temp gas, simple structure, high cooling efficiency and high regulation sensitivity.

The invention discloses a heat pump drying device and a using method thereof. The heat pump drying device includes a heat pump circulation subsystem and a drying circulation subsystem; a compressor, a heat regulating device, a condenser, a throttling piece, an evaporator, The pre-cooling heat exchanger constitutes the heat pump circulation subsystem; the drying circulation subsystem includes a drying chamber, an air duct, and a drying fan; The air duct is connected; a temperature sensor and a humidity sensor are installed in the drying room or the adjacent air duct. The invention solves the problems of the existing drying device with few functions, small drying application range, large energy consumption, large damage, large discharge, etc., realizes the diversity of drying system functions, high efficiency, expands the application range, reduces the damage of dried materials and exhaust emissions, and improve the flexibility and reliability of the heat pump system.

The invention relates to plane-revolution reversible glasses. The plane-revolution reversible glasses comprise a handle and a lens frame, the handle is internally provided with a transmission system and a control system, the lens frame is connected with the transmission system and arranged at the upper end of the handle, the lens frame and the axial surface of the handle are in parallel, the control system controls the transmission system to drive the lens frame to rotate in the plane, the lens frame is composed of four lens frame bodies which are provided with lenses, the centers of the fourlens frame bodies are located on the same circumference taking the center of the lens frame as the center, and plane revolution means circular motion of the four lenses around the center of the lens frame. By adopting the plane-revolution reversible glasses, to a certain degree, it is guaranteed that the distances between eyes and the lenses and the distances between sighting targets and the eyesare fixed, so that operation time for completing a lens reversal process is shortened, and the precision of testing and training is improved; furthermore, the plane-revolution reversible glasses are in combination with electronic recording of regulation periods, so that not only are errors brought by manual reversal and timekeeping reduced, but also the number of the regulation periods per unit time is counted more precisely, and the accuracy of sensitivity regulation testing is greatly improved.

The control valve is applied to a shock absorber, which comprises: a pressure tube (10); a piston (14) dividing the pressure tube (10) in compression and traction chambers (CC, CT) communicating with each other through the piston (14); a hydraulic fluid reservoir (20) provided with a selective bidirectional fluid communication with the compressor chamber (CC). The control valve (VC) communicates the traction chamber (CT) with the reservoir (20) and comprises a tubular body (40) provided with at least one radial passage (41) opened to the interior of the tubular body (40) and to the reservoir (20); a shutter pin (60) to be axially displaced within the tubular body (40), between a closing position and different open positions of the control valve (VC) for communicating the traction chamber (CT) with the reservoir (20); and an actuator means (A) for axially displace the shutter pin within the tubular body (40).

The invention belongs to the technical field of lighting street lamps, and particularly relates to an environment-friendly LED street lamp which comprises a lamp post, a storage battery and a base. The lamp post is a cylindrical cavity structure body; the bottom end of the lamp post is fixedly connected with a connecting plate; mounting holes are uniformly distributedin the connecting plate; the connecting plate is used for fixedly mounting the lamp post on the ground through bolts; the end, away from the connecting plate, of the lamp post is fixedly connected with a base, wherein the base is a square cavity type structural body; an opening is formed in the side, away from the lamp post, of the base inner cavity; and a fixing plate is fixedly connected to the side, away from the lamp post, of the base. By arranging the evaporation tank, the telescopic rod and the second heating plate, the illumination intensity borne by the second heating plate is different by utilizing the angle between the sun and the uniformly arranged second heating plate, so that the position of the photovoltaic plate can be automatically adjusted continuously according to the sunlight irradiation angle, the utilization efficiency of the photovoltaic plate on solar energy is higher, and the power generation efficiency of the photovoltaic panel is higher.

The invention discloses an adjustment assembly for shock absorbing damping. The adjustment assembly for the shock absorbing damping comprises an adjusting screw and an adjusting cavity, wherein the adjusting cavity is communicated with a damping cavity through an adjusting channel; the adjusting screw drives a conical valve core to adjust the circulation area of the adjustment channel. By adopting a structure capable of adjusting damping force externally, the key performance parameter, namely the damping force, can be adjusted according to the requirements of using environment, such as different road conditions, when the adjustment assembly for the shock absorbing damping is used; the adjustment assembly for the shock absorbing damping has a dynamic application effect, so that the comfort degree and the reliability of the overall vehicle are improved effectively; the adaptability of the overall vehicle to different road conditions is improved; the driving habits of different occupants are met.

The invention provides an adjustable surface enhanced Raman scattering substrate, a magnetostriction material is arranged on an elastic layer, and a precious metal micro-nano structure is arranged onthe magnetostriction material. Under the action of a magnetic field, the magnetostrictive material expands or contracts. Therefore, the morphology of the precious metal micro-nano structure or the distance between the precious metal micro-nano structures is changed; according to the surface enhanced Raman scattering device, the noble metal micro-nano structure is adopted to change the natural vibration frequency of the noble metal micro-nano structure, so that the natural vibration frequency is matched with the vibration frequency of incident light, a stronger local electric field is generatednear the noble metal micro-nano structure, and finally, the strength of surface enhanced Raman scattering signals is enhanced. Due to the fact that the vibration frequency of the precious metal micro-nano structure is very sensitive to the morphology or spacing of the precious metal micro-nano structure, the vibration frequency of the precious metal micro-nano structure can be well regulated andcontrolled by applying the magnetostrictive material, and the magnetostrictive material has the advantage of being high in adjustment sensitivity and has a good application prospect in the aspect of surface enhanced Raman scattering substrate preparation.

The invention provides a valve head, a parallel error automatic compensation device and an electron microscope. The valve head comprises a movable member and a movable member supporting means. The movable member is provided with a second sealing plane matched with a first sealing plane of a fixed member. One side of the movable member, back on to the fixed member, is provided with a first accommodating groove. The movable member supporting means is provided with a spherical surface adapted to be embedded in the first accommodating groove. The spherical surface is in point contact with the groove bottom holding point of the first accommodating groove. The spherical surface is in line contact with the groove wall of the first accommodating groove. The spherical surface is used for supporting the movable member to float relative to the fixed member in a direction back on to the fixed member. According to the technical scheme of the invention, the valve head is low in machining difficulty and high in adjustment sensitivity, wherein the parallelism error of two planes in each direction can be eliminated. Therefore, the two sealing planes can be adequately fitted with each other. The invention also provides a parallel error automatic compensation device provided with the above valve head, and an electron microscope provided with the compensation device and used for ensuring the sealing repeatability.

The invention provides a gas stove and a control method thereof, and relates to the technical field of stoves. The gas stove comprises a combustor, a control switch and a booster valve which are in communication through a gas conveying pipeline; the control switch is used for controlling the plugging state of the gas conveying pipeline, and the booster valve is used for increasing the flow of gasflowing through the gas conveying pipeline; the gas stove further comprises a processor and a detection device, wherein the detection device is used for detecting factors related to combustion of thecombustor, and the detection device, the control switch and the booster valve are all connected to the processor; and the control method is used for controlling the gas stove. According to the gas stove, through the arrangement of the booster valve, the gas flow in the gas conveying pipeline can be increased, the fire outlet flame of the combustor can be correspondingly increased, stir frying withhigh flame requirements of a user are met, the flame combustion adjusting range of the combustor is enlarged, the practicability of the gas stove is improved, and the user experience is improved.