Abstract: A MEMS-based alcohol sensor, comprising a MEMS technology-based alcohol measurement module, an MCU processor (12), a circuit substrate (10), and a housing (30) that covers the circuit substrate (10). The alcohol measurement module outputs a concentration signal to the MCU processor (12) by means of a sampling and amplification circuit module, the MCU processor (12) processes the concentration signal and then outputs an alcohol concentration value. The MEMS technology-based alcohol measurement module and the MCU processor (12) are integrated in the housing (30), so the entire alcohol sensor is small in size, and can be applied to a mobile phone, a wearable device, etc.

Abstract: The present application is suitable for the field of instrument, and provides an instrument knob backlight structure and an instrument, wherein the instrument knob backlight structure comprises a housing, a knob provided outside the housing, a index dial provided on the periphery of the knob, and a backlight module mounted inside the housing and provided adjacent to the index dial, wherein the backlight module comprises a light source component, a light-transmittable element and a light guide provided between the light source component and the light-transmittable element, and the index dial is provided on the outer surface of the light-transmittable element facing outward of the housing.

Abstract: An image fusion method, apparatus, and an infrared thermal imaging device, in which the method includes: acquiring a visible image and an infrared thermogram using the same scale at the same field of view; calculating a fusion ratio for each frame of the infrared thermograms; and performing a gray value fusion to each frame of the infrared thermograms and a corresponding frame of the visible images according to the fusion ratio.

Abstract: An infrared temperature measurement method and device, first magnifying an acquired original infrared image according to a predefined magnification factor to obtain a second original infrared image, dividing each original pixel in the second original infrared image to obtain pixel groups comprising multiple pixels; then setting a pixel at a predefined location in each pixel group as a reference pixel; setting the temperatures of the reference pixels as the temperatures of the original pixels corresponding to the reference pixels; next acquiring temperatures of a plurality of target pixels based on the temperatures of the reference pixels; the target pixel is one pixel in the pixel groups; finally acquiring the temperature of the predefined temperature detection point according to the temperatures of the multiple target pixels; the temperature detection point corresponds to the multiple target pixels.

Abstract: An infrared temperature measurement method and device, first magnifying an acquired original infrared image according to a predefined magnification factor to obtain a second original infrared image, dividing each original pixel in the second original infrared image to obtain pixel groups comprising multiple pixels; then setting a pixel at a predefined location in each pixel group as a reference pixel; setting the temperatures of the reference pixels as the temperatures of the original pixels corresponding to the reference pixels; next acquiring temperatures of a plurality of target pixels based on the temperatures of the reference pixels; the target pixel is one pixel in the pixel groups; finally acquiring the temperature of the predefined temperature detection point according to the temperatures of the multiple target pixels; the temperature detection point corresponds to the multiple target pixels.

Abstract: An inductive voltage tester comprises a voltage tester body (100), a display window (110) disposed on the voltage tester body (100), a signal acquisition module (210), a microcontroller (220) and a display module (230) disposed in the voltage tester body (100). The signal acquisition module (210) is configured to acquire a voltage signal of an object to be tested. The display module (230) comprises a display unit (231) and a drive unit (233) configured to drive the display unit. The microcontroller (220) is coupled to the display module (230) and the signal acquisition module (210), respectively, to receive the voltage signal acquired by the signal acquisition module (210). The microcontroller (220) is further configured to control the drive unit (233) according to the voltage signal to enable the display module to display a mark indicating a working status or a non-working status in the display window (110).

Abstract: The present invention relates to a method and an apparatus for remote control distance-measuring to generate an engineering blueprint. The method includes the steps of: building a wireless communication connection between a laser distance-measuring device and a touch sensitive control device; the touch sensitive control device automatically starting an engineering distance-measuring application program; the laser distance-measuring device selecting a required measured element of a measured object; the touch sensitive control device sending a distance-measuring instruction to the laser distance-measuring device, the laser distance-measuring device finishing a distance measurement and synchronously transmitting the measured data to the touch sensitive control device; under a blueprint labeling interface of the touch sensitive control device, finishing blueprint labeling.

Abstract: The present invention relates to a method and an apparatus for remote control distance-measuring to generate an engineering blueprint. The method includes the steps of: building a wireless communication connection between a laser distance-measuring device and a touch sensitive control device; the touch sensitive control device automatically starting an engineering distance-measuring application program; the laser distance-measuring device selecting a required measured element of a measured object; the touch sensitive control device sending a distance-measuring instruction to the laser distance-measuring device, the laser distance-measuring device finishing a distance measurement and synchronously transmitting the measured data to the touch sensitive control device; under a blueprint labeling interface of the touch sensitive control device, finishing blueprint labeling.