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Self-cleaning digital residual chlorine sensor

A self-cleaning, sensor technology, applied in cleaning methods and utensils, cleaning methods using tools, instruments, etc., can solve the problems of other equipment, instrument conversion, unstable measured values, unstable signal transmission, etc., to ensure stability. sexual effect

Pending Publication Date: 2019-06-21
国弘环保仪器(昆山)有限公司
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0004] At present, the gold electrode of the existing residual chlorine sensor is cleaned by using water flow to drive the ball to grind. Because the water flow rate of different water quality is unstable or intermittent, there are problems of unstable and inaccurate measured values.
In addition, the existing residual chlorine sensors are all based on the original signal output (or voltage value output or current value output,) and need to be converted by other equipment and instruments to obtain the measured value
The output signal has the problem of unstable and inaccurate signal transmission due to factors such as distance and signal interference, and there is no data storage, and correction must be done when replacing

Method used

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Embodiment Construction

[0023] In order to make the above objectives, features and advantages of the present invention more obvious and understandable, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. In the following description, many specific details are explained in order to fully understand the present invention. However, the present invention can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the present invention. Therefore, the present invention is not limited by the specific implementation disclosed below.

[0024] Such as figure 1 , figure 2 , image 3 with Figure 4 As shown, a self-cleaning digital residual chlorine sensor includes a tube body 1, a mounting base 2, a motor 3, a stirring shaft 4, an end cap 5, a cathode 110, an anode 120 and a multifunctional circuit board 6. The tube body ...

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Abstract

The invention discloses a self-cleaning digital residual chlorine sensor. By means of the matching of the meshed casing of an end cap and a baffle, a cavity for accommodating a ball is formed. Then, amicro motor drives a stirring shaft to rotate a cathode to cause friction between the cathode and the ball in the end cap during the rotation process, thereby realizing the self-cleaning function ofa gold electrode. Under the control of a multifunction circuit board, the micro motor can be operated at a fixed speed regularly according to different water quality conditions, so as to solve the problem that the water of different water quality is unstable in flow velocity or intermittent, and is unstable or inaccurate in measurement value. The multifunction circuit board is electrically connected to the cathode and the anode as a controller of the residual chlorine sensor, can control the motor operation on the one hand, and can measure a current signal proportional to the residual chlorinein a measured liquid on the other hand, and processes and converts the current signal into a digital signal, and outputs the digital signal, and achieves a digital output function of the residual chlorine sensor, and guarantees the stability of data transmission.

Description

Technical field [0001] The invention relates to a residual chlorine sensor, in particular to a self-cleaning digital residual chlorine sensor. Background technique [0002] Residual chlorine sensor, also called residual chlorine electrode or residual chlorine probe, is used for continuous monitoring of residual chlorine. It is mainly suitable for the measurement of residual chlorine, chlorine dioxide or dissolved ozone in the water industry and filling industry. It is also suitable for on-line monitoring of residual chlorine concentration in drinking water and industrial process water disinfection and sterilization processes. Locations with chlorine concentration. [0003] The residual chlorine sensor can be divided into a diaphragm polarographic (clark) sensor and a constant voltage sensor according to the different measurement principles. The diaphragm polarographic (clark) sensor is a galvanometer sensor with two electrodes covered by a thin film. The clark type sensor is main...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/38G01N27/416B08B1/02B08B1/20
Inventor 崔建祥陈尔瑞
Owner 国弘环保仪器(昆山)有限公司
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