Skin tester
A skin tester and tester technology, applied in the field of testers, can solve the problems of cumbersome operation and use, cannot be used alone, and difficult to operate, and achieve the effects of convenient operation, easy to use alone, and avoiding damage to the instrument
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Embodiment 1
[0035] The invention discloses a skin tester, as attached figure 1 , attached figure 2 And attached Figure 4 As shown, it includes a body 1, a protective cover 4 that can be separated from the body 1, a test head 2 arranged on the body 1 and a power supply device arranged in the body 1, and the test head 2 includes a sensor assembly 21. The sensor assembly 21 is any one or more of capacitive sensors, photochemical sensors, and elastic sensors. The test head 2 also includes a trigger rod 22 arranged below the sensor assembly 21. The test The head 2 can be axially slidably locked in the card slot 11 opened at the upper end of the body 1, and the trigger lever 22 is connected or disconnected with the signal switch 23 at the bottom of which the gap is arranged; in order to control the test head 2 slide in the card slot, the test head 2 is also provided with a limit mechanism and an automatic reset mechanism to limit the slide of the test head 2.
[0036] The limiting mechanis...
Embodiment 2
[0043] The overall structure and work process of this embodiment and embodiment 1 are similar, and its difference is: as attached Figure 5 , attached Figure 6 As shown, the test head 2 includes a body 25, the body 25 includes a top opening and a side wall opening, on which a rotating shaft 7 fixed on the sensor assembly 21 is erected; the power switch device includes a set A power trigger device 8 at one end of the rotating shaft 7 and capable of following the rotation of the rotating shaft 7 and a power switch 9 arranged on the body 25 of the test head 2; as attached Figure 7 As shown, the power trigger device 8 is an eccentric bump, which includes a semi-arc-shaped boss 81 and a plane 82, and the power switch 9 includes a contact 91, and the upper end surface of the contact 91 is arc-shaped The elastic contact, which can be made of elastic material, can also be arranged on the power switch 9 through elastic parts or quick-change parts; the sensor assembly 21 and the rota...
Embodiment 3
[0048] The overall structure and work process of this embodiment and embodiment 1 are similar, and its difference is: as attached Figure 10 As shown, the triggering device includes an axial rib 41 arranged on the inner wall of the protective cover 4, and the triggered device includes a concave groove on the test head 2 that matches the rib 41. Groove 26, there is a switch guide rod 27 that can slide axially in the groove 26, a return spring is arranged on the switch guide rod 27, and a power switch is arranged in the gap at its end, the power switch and the Power unit connection. When the protective cover 4 is assembled on the test head 2, the rib 41 on the protective cover 4 will be inserted into the groove 26 on the test head 2, and press the switch guide rod 27 to move downward, so that The switch guide rod 27 triggers the power switch to cut off the power supply of the machine; after the protective cover 4 is pulled out, the switch guide rod 27 has no downward force,...
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