Display device and indication method of indoor air environment monitoring equipment
A technology for environmental monitoring and indoor air, which is applied to measuring devices to simultaneously indicate the values of multiple variables and the directions of instruments, etc. It can solve the problems of low intelligence, complex display structure, uneven light reflection, etc., and achieve accurate and convenient monitoring. , increase uniformity, enhance the effect of reflection
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Embodiment 1
[0051] Such as figure 2 As shown, the shading and reflecting member 1 of this embodiment is also provided with an infrared sensor 21 for gesture sensing. When used for different gestures, the display screen will display different values accordingly. The lead wire 24 will go out through the PCB lamp board 3 and connect to the display screen.
Embodiment 2
[0053] Such as figure 1 As shown, in the display device of this embodiment, the light-shielding and reflecting member 1 is provided with a display portion 12, and the display portion 12 is arranged in the upper area of the installation chamber in the middle of the light guide ring 23;
[0054] In this embodiment, the display unit 12 is arranged on the corresponding top of the display screen 22, so that the visible information sent by the display screen 22 is illuminated through the transparent display unit 12 to be directly observed by the user; at the same time, the display unit The outer circumference of 12 is provided with the same shape corresponding to the outer contour of the display screen 22, so as to facilitate checking the numerical value above the display screen. In this embodiment, the shape of the display screen 22 and the display part 12 are both rectangular, but not limited to rectangular, but also square, circular or regular shapes.
Embodiment 3
[0056] Such as Figure 5 As shown, in this embodiment, the PCB light strip is installed on the inner side 5 of the light transmission circle, and the PCB light strip includes a plurality of light points 4 fixedly installed on the PCB light board 3, and each light point 4 is arranged at equal intervals A circular line concentric with the light-transmitting ring 11, and each light point 4 is set in the installation chamber between the light-guiding ring 23 and the refracting member 2, so that the light emitted by the PCB light strip is only in the installation cavity outside the light-guiding ring 23 In the room, it is emitted through the light-transmitting ring 11; at the same time, the visible light emitted by the PCB light strip is prevented from irradiating the display screen, which will affect the imaging effect of the display screen. In addition, the illumination direction of each lamp point 4 is parallel to the PCB lamp panel 3 and toward the light-transmitting ring 11 , ...
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