CN202329849U - On-line multi-parameter sensing device for water quality of drinking water - Google Patents
On-line multi-parameter sensing device for water quality of drinking water Download PDFInfo
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- CN202329849U CN202329849U CN2011204656670U CN201120465667U CN202329849U CN 202329849 U CN202329849 U CN 202329849U CN 2011204656670 U CN2011204656670 U CN 2011204656670U CN 201120465667 U CN201120465667 U CN 201120465667U CN 202329849 U CN202329849 U CN 202329849U
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Abstract
The utility model discloses an on-line multi-parameter sensing device for water quality of drinking water. The on-line multi-parameter sensing device is characterized in that: a PN junction temperature sensor, two platinum black electrodes A and B and a zinc oxide field effect transistor which are placed in measured water are connected with an STC singlechip; a chloride ion measuring capacitor plate is connected with a precise capacitance detection chip PS021; the precise capacitance detection chip PS021 is connected with the STC singlechip; a digital-analog conversion singlechip is built in the STC singlechip; and the distance between the two platinum black electrodes A and B is 5 mm. By using the on-line multi-parameter sensing device for water quality of drinking water, dynamic water quality data can be timely acquired. The on-line multi-parameter sensing device for water quality of drinking water has a simple structure and is convenient to mount and easy to use, and the detection data is timely, real-time and on-line. The on-line multi-parameter sensing device is convenient to real-time control on the water quality.
Description
Technical field:
The invention belongs to advanced electrochemical sensing technology, relate to the online multiparameter sensing device of a kind of drinking water quality specifically.
Background technology:
Traditional water quality detection instrument of considering present use is laboratory analytical instrument; Sample detection of annual work; Therefore can not in time obtain dynamic water quality data; Administrative authority can not reach the purpose of dynamic management, and the instrument that therefore development can online reduced form monitoring hydrodynamic(al) attitude (water quality) is very important, and also is necessary.
Summary of the invention:
The purpose of this invention is to provide the online multiparameter sensing device of a kind of drinking water quality, in time obtain dynamic water quality data.
Particular content of the present invention:
The online multiparameter sensing device of a kind of drinking water quality is characterized in that: put into the PN junction temperature sensor of tested water, two platinum black electrode A, B and zinc paste gate field-effect transistors are connected the STC single-chip microcomputer; Chlorion is measured capacitor board and is connected accurate electric capacity detection chip PS021, and accurate electric capacity detection chip PS021 connects the STC single-chip microcomputer; The STC single-chip microcomputer is the single-chip microcomputer that is built-in with digital-to-analog conversion; Two platinum black electrode A, B, these two platinum electrodes distances are 5mm.
Advantage of the present invention:
Use the online multiparameter sensing device of this drinking water quality, can realize in time obtaining dynamic water quality data.The online multiparameter sensing device of this drinking water quality is simple in structure, easy for installation, uses simply,
2
Detect the timely real-time online of data, be convenient to real-time water quality control.
Description of drawings:
Fig. 1 is the online multiparameter sensing device of an a kind of drinking water quality structured flowchart.
Among the figure: [1] is the PN junction temperature sensor; [2] put into two platinum black electrode A, B in the water; These two platinum electrode distances are 5mm, and [3] are the field effect junction type pipe that the responsive zinc paste coating of potential of hydrogen is constituted grid, and [4] are two pole plates of electric capacity to the usefulness of chlorion measurement; [5] be accurate electric capacity detection chip PS021, [6] are for being built-in with the STC single-chip microcomputer of digital-to-analog conversion.
Embodiment:
The online multiparameter sensing device of a kind of drinking water quality is to realize like this; Wherein, put in the water PN junction temperature sensor [1], two platinum black electrode A, B [2] and to the responsive zinc paste coating of potential of hydrogen constitute grid field effect junction type pipe [3], the interface with the built-in digital-to-analog conversion of STC single-chip microcomputer [6] links to each other respectively.Two pole plates of electric capacity [4] to the usefulness of chlorion measurement connect accurate electric capacity detection chip PS021 [5], and the numeral output of accurate electric capacity detection chip PS021 [5] connects an output/output port of STC single-chip microcomputer [6].Each detects the built-in RS232 mouth output of digital data through STC single-chip microcomputer [6].
1. for temperature survey, record through PN junction temperature sensor [1]; 2. for the measurement of salinity, salinity, conductivity through in water, putting into two platinum black electrodes, the current potential of measuring these two electrodes is extrapolated and is tried to achieve; 3. to the measurement of the pH value of water with the grid coating of the FET zinc paste responsive to potential of hydrogen, measure the variation of this FET output voltage and just can know its pH value; 4. for the monitoring of chlorion in the water, STC single-chip microcomputer [6] is tried to achieve the capacitance variations value of two pole plates of electric capacity [4] of the usefulness of chlorion measurement through accurate electric capacity detection chip PS021 [5] and measurement.
3
Each detects the built-in RS232 mouth output of digital data through STC single-chip microcomputer [6].
The traditional water quality detection instrument that uses at present is laboratory analytical instrument; Sample detection of annual work; Therefore can not in time obtain dynamic water quality data; This device can the on-line measurement potable water temperature, pH value, salinity, conductivity, salinity, chloride ion content, administrative authority carries out dynamic monitoring and management.
Use
Further specify for example, the example of being lifted does not influence the further protection of patent.
This device is put into reservoir, linking port, water ground, lake, and measure once every separated half an hour, and preparation method is: 1. for the drinking-water temperature survey, record through [1] PN junction temperature sensor; 2. for the measurement of salinity, salinity, conductivity through in water, putting into two platinum black electrodes, the current potential of measuring these two electrodes is calculated and is tried to achieve; (3) to the measurement of the influence of river, soil acidity or alkalinity with the grid coating of the FET zinc paste responsive to potential of hydrogen, the variation of measuring this FET output voltage just can get its pH value; 4. for the monitoring of chlorion in the water, STC single-chip microcomputer [6] is tried to achieve through the capacitance variations value of accurate electric capacity detection chip PS021 [5] and measurement [4].Each detects the built-in RS232 mouth output of data through STC single-chip microcomputer [6].This device can the on-line measurement potable water temperature, pH value, salinity, conductivity, salinity, chloride ion content, make things convenient for administrative authority to carry out dynamic monitoring and management.
Claims (1)
1. online multiparameter sensing device of drinking water quality is characterized in that: put into the PN junction temperature sensor of tested water, two platinum black electrode A, B and zinc paste gate field-effect transistors are connected the STC single-chip microcomputer; Chlorion is measured capacitor board and is connected accurate electric capacity detection chip PS021, and accurate electric capacity detection chip PS021 connects the STC single-chip microcomputer; The STC single-chip microcomputer is the single-chip microcomputer that is built-in with digital-to-analog conversion; Two platinum black electrode A, B, these two platinum electrodes distances are 5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204656670U CN202329849U (en) | 2011-11-22 | 2011-11-22 | On-line multi-parameter sensing device for water quality of drinking water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204656670U CN202329849U (en) | 2011-11-22 | 2011-11-22 | On-line multi-parameter sensing device for water quality of drinking water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202329849U true CN202329849U (en) | 2012-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204656670U Expired - Fee Related CN202329849U (en) | 2011-11-22 | 2011-11-22 | On-line multi-parameter sensing device for water quality of drinking water |
Country Status (1)
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| CN (1) | CN202329849U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108303450A (en) * | 2018-03-01 | 2018-07-20 | 中国地质调查局南京地质调查中心 | Quick real-time dynamic monitoring degree of mineralization of ground water device and its working method |
-
2011
- 2011-11-22 CN CN2011204656670U patent/CN202329849U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108303450A (en) * | 2018-03-01 | 2018-07-20 | 中国地质调查局南京地质调查中心 | Quick real-time dynamic monitoring degree of mineralization of ground water device and its working method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120711 Termination date: 20131122 |