Magnetic induction print wheel used for print wheel counter
A counter and character wheel technology, applied in the field of measuring equipment, can solve problems such as high defective rate and complicated process, and achieve high precision, simple manufacturing process, and easy automatic production
Active Publication Date: 2015-09-02
CHENGDU QIANJIA TECH CO LTD
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Problems solved by technology
[0003] The purpose of the present invention is to overcome the problems of complex manufacturing process and high defective rate of photoelectric direct reading character wheel and reed switch induction character wheel, and to provide a magnetic sensor character wheel that is easy to manufacture and install for character wheel counters
Method used
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Embodiment 1
[0021] Example 1: Such as Figures 1 to 3 As shown, the purpose of the present invention is to overcome the problem that the reed switch is easy to break during the installation process caused by the photoelectric direct reading method, which is easily affected by the external light environment or the reed switch induction reading method. The direct reading mode of obtaining the reading of the character wheel at an angle of 100°: Aiming at the problems existing in the prior art, a method is provided.
[0022] In order to achieve the above object, the technical solution adopted by the present invention is: a magnetic induction character wheel for a character wheel counter, comprising:
[0023] The character wheel body 1 has a circle of stepping teeth evenly distributed on the peripheral edge of one side of the character wheel body 1; the stepping teeth 4 are used to receive external transmission power to make the character wheel rotate; the other Carrying protruding teeth 5 ...
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The invention relates to the field of measuring equipment, and especially relates to a magnetic induction print wheel used for a print wheel counter. The magnetic induction print wheel used for the print wheel counter comprises a print wheel body, a print wheel shaft body and a piece of circular magnetic steel, wherein a circle of stepping protruding teeth are uniformly arranged on circumferential edge of the print wheel body; the print wheel shaft body is arranged at the circle center of the print wheel body and is perpendicular to the print wheel body, the length of the print wheel shaft body is larger than the thickness of the print wheel body, and the print wheel shaft body extends out toward two sides of the print wheel body; and the piece of circular magnetic steel is inlaid in the side surface of the print wheel body and is coaxial with the print wheel body. According to the invention, the middle part of the side surface of the print wheel body is provided with the circular magnetic steel, so that a user can obtain the rotation angle of the print wheel by measuring the rotation angle of the circular magnetic steel; the print wheel provided by the invention is simple in manufacturing process, automatic production is easy to realize, and problems are not liable to occur in the production process; and the print wheel is read by measuring a selection angle, so that the precision is higher.
Description
technical field [0001] The invention relates to the field of measuring equipment, in particular to a magnetic induction character wheel used for a character wheel counter. Background technique [0002] At present, the data collection of water vapor meters is mostly collected through the counting method of the character wheel, and the reading method of the character wheel is mostly photoelectric direct reading or reed switch induction reading; among them, the character wheel using the photoelectric direct reading method usually needs to be Make a light-transmitting area on the character wheel, and set a through hole on the light-transmitting area. For example, the invention patent "direct-reading coding counter" with the patent number of 200620033842.8 is to set an arc-shaped light-transmitting groove on the coding character wheel. However, this type of character wheel that needs to be made of a light-transmitting area has the problems of being difficult to manufacture, easil...
Claims
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IPC IPC(8): G06M1/274
Inventor 邵帅刘义胡芸华赵勇
Owner CHENGDU QIANJIA TECH CO LTD