Full-scale solution concentration detection transmitter and detection method
A solution concentration, full-scale technology, used in instruments, measuring devices, scientific instruments, etc., can solve problems such as inability to take into account full-scale measurement, and achieve the effect of improving analysis accuracy, simplifying layout, and improving application scope.
Pending Publication Date: 2018-10-19
招远市大明仪表有限公司
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Problems solved by technology
The existing instruments and meters for measuring solution concentration based on the conductometric principle can only measure the concentration of 0-15% NaOH solution or only measure the concentration of 15%-50% (or saturated) NaOH solution, and cannot take into account the full-scale measurement
Method used
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[0041] The principles and features of the present invention are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.
[0042] Please refer to figure 2 As shown, it is a schematic structural diagram of a full-range solution concentration detection transmitter of the present invention; the full-range solution concentration detection transmitter includes: a measuring guide rod 1, a conductivity sensor 2, a density sensing changeover switch assembly 3, an installation Plate 4, junction box 5 and single-chip microcomputer (not shown), wherein,
[0043] The measuring guide rod 1 is a rod body with two ends;
[0044] The conductivity sensor 2 is arranged at the first end of the measuring guide rod 1, is electrically connected to the single-chip microcomputer, is used to detect the conductivity of the solution, and outputs it to the singl...
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Abstract
The invention discloses a full-scale solution concentration detection transmitter and a detection method. The transmitter comprises a measurement guide rod, an electric conductivity sensor, a densitysensation conversion switch component, a mounting plate, a wiring box and a single chip microcomputer, wherein the electric conductivity sensor is arranged at a first end of the measurement guide rodand is electrically connected with the single chip microcomputer; the density sensation conversion switch component is arranged on the measurement guide rod and is close to the sensor and comprises amagnetic floater and a density sensation conversion switch; the floater is arranged on the measurement guide rod in a sleeving manner, is capable of sliding along a rod body, and has a suspension density corresponding to the maximum value of electric conductivity of a solution; the density sensation conversion switch is fixed on the measurement guide rod; when the magnetic floater is at a lowest position, the density sensation conversion switch is powered on, and when the magnetic floater floats up, the density sensation conversion switch is powered off; the density sensation conversion switchis electrically connected with the single chip microcomputer; state information of the density sensation conversion switch is transmitted to the single chip microcomputer; the mounting plate is fixedon the measurement guide rod; the wiring box is arranged at a second end of the measurement guide rod.
Description
technical field [0001] The invention relates to the technical field of water quality or solution parameter detection, in particular to a full-range solution concentration detection transmitter and a detection method using the transmitter. Background technique [0002] In industrial production or environmental protection, the detection of solution parameters or water quality is the basic requirement for industrial control. Usually the detection and analysis of solution or water quality involves multiple parameters such as temperature, conductivity, solution concentration and so on. Most of the current sensors of the same type have a single function. In the case where multi-parameter detection is required, it is generally necessary to set up different sensors separately. This setting not only makes the measurement facilities cumbersome and inconvenient for unified processing of parameter signals, but also causes errors in the comprehensive analysis of solution or water qualit...
Claims
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IPC IPC(8): G01N9/36G01N27/06
CPCG01N9/36G01N27/06
Inventor 王英刘伟陈旭英
Owner 招远市大明仪表有限公司