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41results about How to "Button operation is convenient" patented technology

Underground digital direct current electrical method meter

The invention relates to an underground digital direct current electrical method meter. At present, a special direct current electrical method instrument for exploring the geological structure underground in a coal mine is usually communicated with a computer by adopting an RS232 mode, which is not compatible with the communication of a new computer system; a 51-series singlechip is used as a core chip, which has the defects of large power consumption, small storage capacity, low processing speed, and the like; a display screen is generally too small and is difficult for observation, and an external light is needed for illumination; key operations are inconvenient; and the shell of the instrument is heavy. The underground digital direct current electrical method meter provided by the invention comprises a power supply electrode A, a power supply electrode B, a power supply electrode M, a power supply electrode N, a battery set, an isolation booster circuit, a current limiting circuit, a current sampling circuit, a V/F (Voltage/Frequency) conversion circuit, an STM32 microcontroller, an A/D conversion circuit and a preamplification and impedance conversion circuit. The underground digital direct current electrical method meter is communicated with a computer system by adopting a USB and has the advantages of low power consumption, high processing speed, convenience for key operation and light shell, and a large-screen LED backlight liquid crystal display screen is used as an interface.
Owner:煤炭科学研究总院有限公司西安研究院

Wireless remote controller for wireless function configuration, interactive system and method thereof

The invention discloses a wireless remote controller for wireless function configuration, an interactive system and a method thereof. The wireless remote controller comprises a shell, a connecting piece arranged on the surface of the shell and a plurality of control keys, wherein a communication module, a configuration module and a control module are arranged on a circuit board in the shell; the communication module carries out wireless communication link with an intelligent terminal and receives a configuration instruction transmitted by the intelligent equipment; and the configuration module configures control functions of a plurality of control keys according to the configuration instruction, and the control module detects triggering of the control keys, acquires a corresponding control instruction and sends the corresponding control instruction to the intelligent terminal by virtue of the communication module. The wireless remote controller is fixed at a position, where sight does not need to be transferred too much and hands can contact conveniently, by virtue of the connecting piece; and meanwhile, the functions of the control keys are configured according to usage habits of a user, road condition can be observed in a driving process, and key operation also can be conveniently carried out on the wireless remote controller, so that the problem that potential safety hazard exists in touch of existing intelligent equipment or sound control recognition effect is poorer is solved.
Owner:GUANGDONG ECAR TELEMATICS SERVICE

Rolling type electronic product key capable of preventing mistaken pressing

The invention discloses a rolling type electronic product key capable of preventing mistaken pressing. The key comprises a machine shell, a circuit board is arranged in the machine shell, and a trigger switch is electrically connected to the circuit board. A transmission box is fixedly connected to the side wall, right opposite to the trigger switch, of the machine shell. A half gear is hinged tothe left side in the transmission box through a rotating shaft; a cam is fixedly connected to the lower end of the half gear, a whole gear is vertically hinged to the inner wall of the upper right side of the transmission box through a rotating pin, the whole gear is meshed with the right end of the half gear, a clamping block is fixedly connected to the middle of the front end face of the whole gear, and a left-right through opening is transversely formed in the middle of the clamping block. The transmission rod drives the whole gear to rotate anticlockwise, so that the meshed half gear rotates clockwise, the cam rotates to press the trigger switch, and after the pin roller is loosened, the cam and the transmission rod are automatically reset under the action of resilience force of the first spring, the second spring and the third spring, and next key operation is facilitated.
Owner:涟水县金泽电子科技有限公司

Rotation mechanism of household appliance control panel

The invention relates to a rotation mechanism of a household appliance control panel. The rotation mechanism comprises a control panel and an installing frame, wherein one end of the control panel is rotationally connected with the installing frame; in addition, a free end of the control panel always maintains the approaching trend to the installing frame; the rotating mechanism also comprises a driving motor, a pushing element and a positioning assembly; the pushing element is provided with a rotating shaft and can rotate by using the rotating shaft as the center under the driving effect of the driving motor; further, the free end of the control panel is pushed to rotate for a certain angle relative to the installing frame until the free end is positioned by the positioning assembly. The rotation mechanism of the control panel has the advantages that the rotation and the resetting of the control panel can be easily realized only through the control on the driving motor; the work is stable and reliable; when the control panel rotates to a certain angle, through the pushing element and the trend force which acts on the control panel and approaches to the installing frame, the control panel can be stably positioned at the angle; meanwhile, a user can conveniently perform key-press operation on the control panel; the sensitivity of press keys is effectively ensured.
Owner:NINGBO FOTILE KITCHEN WARE CO LTD
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