A magnetic induction character wheel counter
A magnetic induction and counter technology, applied in the field of data recognition, can solve the problems of requiring too much manual intervention, inaccurate measurement, and needing too much manual intervention, and achieve increased stability and service life, stable magnetic field change induction, and magnetic field change induction. the effect of
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Embodiment 1
[0024] Embodiment 1: The purpose of the present invention is to overcome the problem of excessive manual intervention in the installation process caused by the use of reed switches for character wheel counting, and the problem of inaccurate measurement due to micro-leakage, and to provide a counting method using a magnetic induction chip. , thereby avoiding the magnetic induction character wheel counter that requires too much manual intervention in the production process of the character wheel counting device and does not cause inaccurate measurement due to micro-leakage of the reed switch: In order to achieve the above-mentioned purpose, the technical solution adopted by the present invention is:
[0025] A magnetic induction character wheel counter, such as figure 1 shown, including,
[0026] Character wheel group 1, the character wheel group includes eight coaxially arranged character wheels, a circle of stepping protrusions is evenly distributed on the circumferential edge...
Embodiment 2
[0032] Embodiment 2: Different from Embodiment 1, as figure 2 As shown, in this embodiment, an iron block 121 is provided at the position of each number on the character wheel 12 provided with ferromagnetic material.
[0033] When in use, as the character wheel 12 provided with iron blocks 121 rotates, whenever an iron block 121 approaches the magnetic block 21 (that is, when a number turns below the magnetic block 21), the magnetic block The magnetic field of 21 changes, and the magnetic induction chip 22 outputs counting pulses after sensing the change of the magnetic field.
[0034] It should be noted that the shape of the iron block 121 is not limited to figure 1 or figure 2 The circle in , but can be any shape, such as image 3 The bars shown. In addition, the iron block can be embedded in the surface of the character wheel 12 or protrude from the surface of the character wheel 12 .
Embodiment 3
[0035] Embodiment 3: The difference between this embodiment and Embodiment 1 is that all the character wheels in the character wheel group 1 are character wheels 12 provided with iron blocks 121, and each character wheel 12 is provided with iron blocks 121 Corresponding to a magnetic induction unit. In this embodiment, magnetic barrier sheets are provided between the character wheels 12 provided with iron blocks 121 to prevent magnetic interference between the character wheels.
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