Sphygmomanometer with multi-colored backlight instruction WHO blood pressure classifications
A sphygmomanometer and backlight technology, which is applied in the field of sphygmomanometers, can solve the problems of unintuitive indication information, etc., and achieve the effects of ingenious overall structure design, improved efficiency, and strong practicability
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Embodiment 1
[0023] see figure 1 , figure 2 , a sphygmomanometer with multi-color backlight indicating WHO blood pressure classification, the sphygmomanometer includes an upper assembly, a middle assembly and a lower assembly, the upper assembly includes a panel 1, buttons 2 and an upper cover 3, and the middle assembly includes a liquid crystal 4. A multi-color backlight source 5 , a display fixing frame 6 and a control circuit board 7 , the lower components include a lower housing module 8 .
[0024] The liquid crystal 4 is pasted on the multi-color backlight 5 and embedded in the display fixing frame 6 at the same time, and then connected with the control circuit board 7 to form a middle component.
Embodiment 2
[0026] see figure 1 , figure 2 As an improvement of the present invention, the multi-color backlight includes a diffusion film 51, a peripheral aluminum film 52, a light guide plate 53, a reflective film 54, a wire 55, an LED driver module 56 and a multi-color LED 57, and the wire 55 and the multi-color LED All color LEDs 57 are welded to the LED driver module 56, and then the assembled LED driver module 56 is bonded on the light guide plate 53, the reflective film is pasted on the bottom of the assembled light guide plate, and the diffusion film is pasted on the assembled At the top of the light guide plate, finally, the peripheral aluminum film is glued to the periphery of the combined light guide plate to form the entire multi-color backlight. The control circuit board 7 and the multi-color backlight 5 are connected by a driving power supply 9. The driving power supply 9 is provided with three driving pins, that is, a No. 1 driving pin 91 , a No. 2 driving pin 92 and a No...
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