4results about How to "Affect sensitivity" patented technology

The utility model discloses a kind of high-precision weighing evapotranspiration instruments of embedded installation based on lever balance, belong to evapotranspiration instrument technical field. Including fixed support, tray assembly is movably connected on fixed support, and evapotranspiration instrument experimental soil box is set on tray assembly, and weighing assembly is set below tray assembly;Force transmission pull rod is arranged between tray assembly and weighing assembly;Weighing assembly includes force measuring device, and force measuring device side rotatably connects with lever two, and lever two middle part is rotatably installed at the bottom of fixed support by support;Force transmission pull rod upper end is respectively connected with two lever one hinged connection, and force transmission pull rod lower end is movably connected with lever two. The utility model is through the cooperation of lever two and counterweight, substantially offset the initial weight of evapotranspiration instrument experimental soil box, so that force measuring device only needs to monitor the tiny weight change caused by soil evaporation, crop transpiration and rainfall / irrigation, avoid large load to influence sensor sensitivity, realize high-precision data acquisition.

The utility model discloses an intelligent closestool switch assembly and an intelligent closestool. The device comprises a shell and a pressing head, one end of the pressing head is inserted into the shell in a vertically movable mode, the other end of the pressing head is exposed out of the shell, an elastic reset piece is assembled between the pressing head and the shell, at least one end of the shell is provided with a clamping groove, and one end of the pressing head extends towards the clamping groove to be provided with a clamping hook. The clamping hook is movably clamped in the clamping groove; the electronic cigarette further comprises a reed switch, the reed switch is assembled at one end of the shell and electrically connected with the control module, and a magnet used for opening and closing the reed switch is fixedly arranged at one end of the pressing head. The reed switch is used for replacing a traditional infrared sensor, a traditional laser sensor or a traditional capacitance sensor, complex electric control assemblies such as a sensor chip and a signal processing module are omitted, and the material cost and the production cost are greatly reduced. Through a mechanical structure and a magnetic control switch, the number of electronic elements is reduced, and the problem of false triggering or insensitivity caused by electric control faults is solved.

This utility model discloses a satellite positioning-assisted low-altitude meteorological observation device, relating to the field of meteorological observation. The utility model includes a drone body, with a meteorological monitoring instrument mounted on one side of the upper part of the drone body. A support base is provided at the lower part of the meteorological monitoring instrument, and an electric telescopic rod and a flexible telescopic rod are located below the support base. The electric telescopic rod contains a telescopic rod motor to drive its raising and lowering. The electric telescopic rod can synchronously raise and lower the flexible telescopic rod. By adopting the above technical solution, the meteorological monitoring instrument is connected to the electric telescopic rod and the flexible telescopic rod through the support base, achieving raising and lowering under the drive of the telescopic rod motor. This avoids long-term exposure to the external environment, reduces the corrosion of the equipment by dust, moisture, etc., and extends its service life.

Embodiments of the present application provide a pressing detection device and an electronic device. The pressing detection device comprises a circuit board, a support and a plurality of sensors. The sensor comprises a first electrode and a second electrode. The first electrode is arranged on the lower surface of the circuit board. The second electrode is connected to the lower surface of the circuit board. The lower surface of the circuit board is provided with a first accommodating groove around the area of the sensor. The first accommodating groove is used to accommodate the residual flux when the second electrode is welded on the circuit board. The support is fixed on the shell of the electronic device and abuts against the second electrode. When the pressing detection device receives a pressing operation, the second electrode is deformed. The distance between the first electrode and the second electrode changes, so that the sensor generates a pressing signal. The circuit board can transmit the pressing signal to the control unit, and the control unit can perform pressing detection according to the pressing signal. The pressing detection device can perform global pressing detection, the first accommodating groove can accommodate the residual flux, and the detection sensitivity is high.