CN203838104U - Improved structure of dissolved oxygen detection device - Google Patents
Improved structure of dissolved oxygen detection device Download PDFInfo
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- CN203838104U CN203838104U CN201320740742.9U CN201320740742U CN203838104U CN 203838104 U CN203838104 U CN 203838104U CN 201320740742 U CN201320740742 U CN 201320740742U CN 203838104 U CN203838104 U CN 203838104U
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Abstract
The utility model discloses an improved structure of a dissolved oxygen detection device. The improved structure of the dissolved oxygen detection device is characterized by comprising a shell, a control unit, a detection unit and a data processing unit, wherein the control unit, the detection unit and the data processing unit are mounted in the shell; the control unit consists of a man-machine interactive control operation interface and parts of the operation interface and can be used for controlling operation of the whole device; the detection unit is used for collecting analog signals such as dissolved oxygen concentration, converting the analog signals into digital signals and collecting associated data according to the requirements of control commands; the detection unit comprises a dissolved oxygen analysis sensor, a power supply circuit, a clock signal circuit, a data collection circuit and a communication interface circuit. The dissolved oxygen detection device is capable of achieving real-time monitoring or remote monitoring and greatly reducing human and material resources; moreover, the dissolved oxygen detection device has the characteristics of simplicity in operation, convenience for use, strong capacity of resisting disturbance and long service life.
Description
Technical field
The utility model relates to checkout equipment technical field, refers in particular to a kind of structure-improved of dissolved oxygen DO pick-up unit.
Background technology
Dissolved oxygen content is a major criterion weighing water quality condition, is also a foundation of research water body self-purification ability.It is mainly derived from algae and the photosynthetic release of phytoplankton in the dissolving of atmosphere and ocean.In the respiration of marine animal, biological corpse and biological excremental decomposition, seawater, the oxidation of other organic chemicals all consumes dissolved oxygen DO.Contaminated seawater dissolved oxygen content is low compared with natural sea-water, even completely anoxic.Along with the development of industrial and agricultural production, various industrial waste waters, sanitary sewage, the excessive fertilizer and pesticide etc. of using increasingly sharpens to the pollution of environment, especially water pollution has become the focus that people are concerned about, as one of instruction standard of water quality, the mensuration of dissolved oxygen concentration is more and more important, and particularly the on-site rapid measurement of Dissolved Oxygen in Water is even more important.
The national standard method of measuring at present Dissolved Oxygen in Water is winkler iodimetric titration, and this method exists needs to consume a large amount of samples, length consuming time, can not real time monitoring etc. shortcoming.Another kind of electrode type sensor that can Site Detection dissolved oxygen concentration, as colourimetry, Primary-Secondary Wavelengths optical spectroscopy, voltammetry, Kind of Analyser of Minute Quantity Oxygen Based on Zirconia Cell, anionic polystyrene exchange membrane oxygen sensor etc. is all the lambda sensor that belongs to electrode type, but the process that arrives balance from generation due to marking current is slow, has limited measuring speed; And the ventilated membrane of electrode is easily aging, and it needs the redox reaction of electrode itself to measure the concentration of oxygen, needs to consume the dissolved oxygen DO in sample in mensuration process, and therefore its measuring accuracy and response time are all subject to serious constraint.At present, there are two large defects in the polarographic dissolved oxygen analysis sensor on domestic and international market: the one, and the cathode area of polarographic dissolved oxygen analysis sensor is very little, attract electrons ability a little less than, so limiting diffusion current very little (only having nA level), a little less than antijamming capability.The 2nd, the oxygen permeation membrane of the dissolved oxygen analyte sensors on domestic and international market is selected tygon or teflon class plastic sheeting, the physical strength of this type of plastics ventilated membrane is less, serviceable life is short, need change frequently ventilated membrane, cleaning sensor, has increased the maintenance of dissolved oxygen analyte sensors.
The monitor data detecting at current dissolved oxygen DO reads technical, well do not improved, how to read the data that dissolved oxygen DO detects, in prior art equipment, substantially be to detect at the scene, scene manual record, need to expend a large amount of time, as because of carelessness, Data Detection analysis is just inaccurate, this will expend a large amount of manpowers, work loaded down with trivial details heavy, be not suitable for the nowadays requirement of people to efficiency operation and intellectualized operation, dissolved oxygen DO pick-up unit of the prior art cannot meet more and more flourishing and the more and more higher modern detecting of intelligent degree.
Summary of the invention
In view of this, the utility model is for the disappearance of prior art existence, and its fundamental purpose is to provide and can realizes Real-Time Monitoring or remote monitoring, greatly reduces manpower and materials, dissolved oxygen DO pick-up unit simple to operate, easy to use, the feature that it also has, and antijamming capability is strong, the life-span is long.
For achieving the above object, the utility model adopts following technical scheme: a kind of structure-improved of dissolved oxygen DO pick-up unit, include the control module in housing and installation and housing, detecting unit and data processing unit, described control module is operation interface and the parts thereof of human-computer interaction control, controlling this detecting unit of operation of whole device is responsible for gathering the simulating signals such as dissolved oxygen concentration and simulating signal is transformed into digital signal and carries out relevant data acquisition according to the requirement of control command, described detecting unit includes dissolved oxygen analysis sensor, power circuit, clock signal circuit, four parts of data acquisition circuit and communication interface circuit, wherein power circuit continues reliable power supply supply for dissolved oxygen analysis sensor provides, clock signal circuit provides clock information accurately for dissolved oxygen analysis sensor, data acquisition module completes the data acquisition of dissolved oxygen analysis sensor, communication module and data processing unit carry out exchanges data, and data processing unit completes the digital signal that probe is obtained and carries out data processing.
As a kind of preferred version; described dissolved oxygen analysis sensor comprises plug receptacle, sensor mobile jib, sensor electrical pole piece, anode, negative electrode, oversheath and is fixed on the oxygen permeation membrane of oversheath bottom; the lower end of described negative electrode is fixed with sphere thin slice, and this sphere thin slice is made up of same material with described negative electrode; Described oxygen permeation membrane is composite metal semi-permeable diaphragm, is composited by plastics semi-permeable diaphragm and wire netting.
As a kind of preferred version, described negative electrode is made up of the glass bead of cathode filament and fixed negative pole silk, on the cathode filament of described glass bead below, is fixed with described sphere thin slice, and this sphere thin slice is made up of same material with described cathode filament.
As a kind of preferred version, described oxygen permeation membrane is composited by wire netting described in plastics semi-permeable diaphragm and described plastics semi-permeable diaphragm folder one deck.
As a kind of preferred version, waterproof power switch and waterproof USB interface are installed on described housing.
As a kind of preferred version, described detecting unit is also provided with temperature sensor, this temperature sensor and data processing unit are electrically connected, described control module is provided with a touch display screen, this touch display screen can manipulate whole pick-up unit, and the detection data of dissolved oxygen analysis sensor and temperature sensor can be by reading in this touch display screen simultaneously.
As a kind of preferred version, described control module is provided with datalogger and 3G communication module, this datalogger records dissolved oxygen analysis sensor and the temperature sensor data of monitoring in real time, and analyze and make corresponding monitoring string diagram by data analysis unit, this datalogger periodically sends data transfer command, and is sent to corresponding managerial personnel by 3G communication module and realizes real-time monitoring.
As a kind of preferred version, described control module master chip adopts the control chip that model is M3062LFGPGP.
The utility model compared with prior art has obvious advantage and beneficial effect, specific as follows:
1, by under the cooperatively interacting of control module, detecting unit and data processing unit, realize the intellectuality control of this dissolved oxygen DO pick-up unit, and can carry out Real-Time Monitoring and remote monitoring.
2, the dissolved oxygen analysis sensor adopting in this detecting unit, by set up an area that has increased negative electrode with negative electrode with the mode of the sphere thin slice of material below negative electrode, strengthen the ability of negative electrode attract electrons, weaken the interference that other materials cause the limiting diffusion current of dissolved oxygen DO generation, improved the antijamming capability of polarographic dissolved oxygen analysis sensor.Adopt the composite metal semi-permeable diaphragm being composited by plastics semi-permeable diaphragm and wire netting to replace tygon or teflon class plastics ventilated membrane to do the oxygen permeation membrane of polarographic dissolved oxygen analysis sensor, owing to containing layer of metal net in composite metal semi-permeable diaphragm, make the physical strength of this kind of oxygen permeation membrane larger, long service life, has reduced the maintenance of polarographic dissolved oxygen analysis sensor.This dissolved oxygen analysis sensor design is reasonable, simple in structure, and applied widely, has good economic benefit after popularization.
3, this control module is provided with datalogger and 3G communication module, this datalogger records dissolved oxygen analysis sensor and the temperature sensor data of monitoring in real time, and analyze and make corresponding monitoring string diagram by data analysis unit, this datalogger periodically sends data transfer command, and is sent to corresponding managerial personnel by 3G communication module and realizes real-time monitoring.Meanwhile, on this housing, USB interface is installed, dissolved oxygen DO and the temperature data that can copy as required the corresponding time period carry out systematic analysis, to make more fully Water Quality Evaluation.
Brief description of the drawings
Fig. 1 is the structure diagram of dissolved oxygen analysis sensor in the utility model embodiment;
Fig. 2 is the schematic flow sheet of the utility model embodiment.
10, dissolved oxygen analysis sensor
11, plug receptacle 12, sensor mobile jib
13, sensor electrical pole piece 14, anode
15, negative electrode 16, oversheath
17, oxygen permeation membrane
18, sphere thin slice
141, cathode filament
142, glass bead.
Embodiment
Please refer to shown in Fig. 1 to Fig. 2, a kind of structure-improved of dissolved oxygen DO pick-up unit, include the control module in housing and installation and housing, detecting unit and data processing unit, described control module is operation interface and the parts thereof of human-computer interaction control, control the operation of whole device, this detecting unit is responsible for gathering the simulating signals such as dissolved oxygen concentration and simulating signal is transformed into digital signal and carries out relevant data acquisition according to the requirement of control command, described detecting unit includes dissolved oxygen analysis sensor, power circuit, clock signal circuit, four parts of data acquisition circuit and communication interface circuit, wherein power circuit continues reliable power supply supply for dissolved oxygen analysis sensor provides, clock signal circuit provides clock information accurately for dissolved oxygen analysis sensor, data acquisition module completes the data acquisition of dissolved oxygen analysis sensor, communication module and data processing unit carry out exchanges data, and data processing unit completes the digital signal that probe is obtained and carries out data processing.
This device 10 comprises plug receptacle 11, sensor mobile jib 12, sensor electrical pole piece 13, anode 14, negative electrode 15, oversheath 16 and is fixed on the oxygen permeation membrane 17 of oversheath 16 bottoms, the lower end of described negative electrode 13 is fixed with sphere thin slice 18, and this sphere thin slice 18 is made up of same material with described negative electrode; Described oxygen permeation membrane 17 is composite metal semi-permeable diaphragm, is composited by plastics semi-permeable diaphragm and wire netting.
This negative electrode 15 is made up of the glass bead 152 of cathode filament 151 and fixed negative pole silk 151, on the cathode filament 151 of described glass bead 152 belows, is fixed with described sphere thin slice 18, and this sphere thin slice 18 is made up of same material with described cathode filament 151.
This oxygen permeation membrane 17 is composited by wire netting described in plastics semi-permeable diaphragm and described plastics semi-permeable diaphragm folder one deck.
Waterproof power switch and waterproof USB interface are installed on this housing, can effectively improve the water resistance of this dissolved oxygen DO pick-up unit by the setting of waterproof power switch and waterproof USB interface, can copy needed detection data analysis by this USB interface simultaneously.
This detecting unit is also provided with temperature sensor, this temperature sensor and data processing unit are electrically connected, described control module is provided with a touch display screen, this touch display screen can manipulate whole pick-up unit, and the detection data of dissolved oxygen analysis sensor and temperature sensor can be by reading in this touch display screen simultaneously.
This control module is provided with datalogger and 3G communication module, this datalogger records dissolved oxygen analysis sensor and the temperature sensor data of monitoring in real time, and analyze and make corresponding monitoring string diagram by data analysis unit, this datalogger periodically sends data transfer command, and is sent to corresponding managerial personnel by 3G communication module and realizes real-time monitoring.
This control module master chip adopts the control chip that model is M3062LFGPGP.
Design focal point of the present utility model is: by under the cooperatively interacting of control module, detecting unit and data processing unit, realize the intellectuality control of this dissolved oxygen DO pick-up unit, and can carry out Real-Time Monitoring and remote monitoring.
The dissolved oxygen analysis sensor adopting in this detecting unit, by set up an area that has increased negative electrode with negative electrode with the mode of the sphere thin slice of material below negative electrode, strengthen the ability of negative electrode attract electrons, weaken the interference that other materials cause the limiting diffusion current of dissolved oxygen DO generation, improved the antijamming capability of polarographic dissolved oxygen analysis sensor.Adopt the composite metal semi-permeable diaphragm being composited by plastics semi-permeable diaphragm and wire netting to replace tygon or teflon class plastics ventilated membrane to do the oxygen permeation membrane of polarographic dissolved oxygen analysis sensor, owing to containing layer of metal net in composite metal semi-permeable diaphragm, make the physical strength of this kind of oxygen permeation membrane larger, long service life, has reduced the maintenance of polarographic dissolved oxygen analysis sensor.This dissolved oxygen analysis sensor design is reasonable, simple in structure, and applied widely, has good economic benefit after popularization.
This control module is provided with datalogger and 3G communication module, this datalogger records dissolved oxygen analysis sensor and the temperature sensor data of monitoring in real time, and analyze and make corresponding monitoring string diagram by data analysis unit, this datalogger periodically sends data transfer command, and is sent to corresponding managerial personnel by 3G communication module and realizes real-time monitoring.Meanwhile, on this housing, USB interface is installed, dissolved oxygen DO and the temperature data that can copy as required the corresponding time period carry out systematic analysis, to make more fully Water Quality Evaluation.
The above, it is only preferred embodiment of the present utility model, not technical scope of the present utility model is imposed any restrictions, therefore every foundation technical spirit of the present utility model, to any trickle amendment made for any of the above embodiments, equivalent variations and modification, all still belongs in the scope of technical solutions of the utility model.
Claims (8)
1. the structure-improved of a dissolved oxygen DO pick-up unit, it is characterized in that: include the control module in housing and installation and housing, detecting unit and data processing unit, described control module is operation interface and the parts thereof of human-computer interaction control, controlling this detecting unit of operation of whole device is responsible for gathering the simulating signals such as dissolved oxygen concentration and simulating signal is transformed into digital signal and carries out relevant data acquisition according to the requirement of control command, described detecting unit includes dissolved oxygen analysis sensor, power circuit, clock signal circuit, four parts of data acquisition circuit and communication interface circuit, wherein power circuit continues reliable power supply supply for dissolved oxygen analysis sensor provides, clock signal circuit provides clock information accurately for dissolved oxygen analysis sensor, data acquisition module completes the data acquisition of dissolved oxygen analysis sensor, communication module and data processing unit carry out exchanges data, and data processing unit completes the digital signal that probe is obtained and carries out data processing.
2. a kind of structure-improved of dissolved oxygen DO pick-up unit according to claim 1; it is characterized in that: described dissolved oxygen analysis sensor comprises plug receptacle, sensor mobile jib, sensor electrical pole piece, anode, negative electrode, oversheath and is fixed on the oxygen permeation membrane of oversheath bottom; the lower end of described negative electrode is fixed with sphere thin slice, and this sphere thin slice is made up of same material with described negative electrode; Described oxygen permeation membrane is composite metal semi-permeable diaphragm, is composited by plastics semi-permeable diaphragm and wire netting.
3. a kind of structure-improved of dissolved oxygen DO pick-up unit according to claim 2, it is characterized in that: described negative electrode is made up of the glass bead of cathode filament and fixed negative pole silk, on the cathode filament of described glass bead below, be fixed with described sphere thin slice, this sphere thin slice is made up of same material with described cathode filament.
4. a kind of structure-improved of dissolved oxygen DO pick-up unit according to claim 2, is characterized in that: described oxygen permeation membrane is composited by wire netting described in plastics semi-permeable diaphragm and described plastics semi-permeable diaphragm folder one deck.
5. a kind of structure-improved of dissolved oxygen DO pick-up unit according to claim 1, is characterized in that: waterproof power switch and waterproof USB interface are installed on described housing.
6. a kind of structure-improved of dissolved oxygen DO pick-up unit according to claim 1, it is characterized in that: described detecting unit is also provided with temperature sensor, this temperature sensor and data processing unit are electrically connected, described control module is provided with a touch display screen, this touch display screen can manipulate whole pick-up unit, and the detection data of dissolved oxygen analysis sensor and temperature sensor can be by reading in this touch display screen simultaneously.
7. a kind of structure-improved of dissolved oxygen DO pick-up unit according to claim 6, it is characterized in that: described control module is provided with datalogger and 3G communication module, this datalogger records dissolved oxygen analysis sensor and the temperature sensor data of monitoring in real time, and analyze and make corresponding monitoring string diagram by data analysis unit, this datalogger periodically sends data transfer command, and is sent to corresponding managerial personnel by 3G communication module and realizes real-time monitoring.
8. a kind of structure-improved of dissolved oxygen DO pick-up unit according to claim 1, is characterized in that: described control module master chip adopts the control chip that model is M3062LFGPGP.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320740742.9U CN203838104U (en) | 2013-11-20 | 2013-11-20 | Improved structure of dissolved oxygen detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320740742.9U CN203838104U (en) | 2013-11-20 | 2013-11-20 | Improved structure of dissolved oxygen detection device |
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| CN203838104U true CN203838104U (en) | 2014-09-17 |
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| CN201320740742.9U Expired - Fee Related CN203838104U (en) | 2013-11-20 | 2013-11-20 | Improved structure of dissolved oxygen detection device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104280525A (en) * | 2014-10-21 | 2015-01-14 | 中山欧麦克仪器设备有限公司 | Dissolved oxygen sensor with automatic cleaning function |
| CN104655707A (en) * | 2013-11-20 | 2015-05-27 | 中山欧麦克仪器设备有限公司 | Dissolved oxygen detection apparatus |
| CN105606578A (en) * | 2016-02-03 | 2016-05-25 | 环境保护部南京环境科学研究所 | Detection device and detection method for simultaneously measuring dissolved oxygen at different heights on muddy water interface in situ |
-
2013
- 2013-11-20 CN CN201320740742.9U patent/CN203838104U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104655707A (en) * | 2013-11-20 | 2015-05-27 | 中山欧麦克仪器设备有限公司 | Dissolved oxygen detection apparatus |
| CN104280525A (en) * | 2014-10-21 | 2015-01-14 | 中山欧麦克仪器设备有限公司 | Dissolved oxygen sensor with automatic cleaning function |
| CN105606578A (en) * | 2016-02-03 | 2016-05-25 | 环境保护部南京环境科学研究所 | Detection device and detection method for simultaneously measuring dissolved oxygen at different heights on muddy water interface in situ |
| CN105606578B (en) * | 2016-02-03 | 2019-07-26 | 环境保护部南京环境科学研究所 | The detection device and its detection method of in situ measurement water sludge interface different height dissolved oxygen simultaneously |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140917 Termination date: 20141120 |
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| EXPY | Termination of patent right or utility model |