CN203502350U - Novel intelligent dissolved oxygen tester - Google Patents
Novel intelligent dissolved oxygen tester Download PDFInfo
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- CN203502350U CN203502350U CN201320540386.6U CN201320540386U CN203502350U CN 203502350 U CN203502350 U CN 203502350U CN 201320540386 U CN201320540386 U CN 201320540386U CN 203502350 U CN203502350 U CN 203502350U
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Abstract
The utility model discloses a novel intelligent dissolved oxygen tester comprising a first sensor, a second sensor and a controller, wherein the first sensor is used for detecting the content of dissolved oxygen according to a fluorescence quenching technology/theory; the second sensor is used for detecting the data of the dissolved oxygen; the controller comprises a double-channel input module connected with the first sensor and the second sensor, a master control module connected with the input module, a display and key module connected with the master control module, a storage module connected with the display and key module, an output module connected with the display and key module, a control module connected with the output module and a power module used for supplying power for all the modules in the controller. After the technical scheme is adopted, the novel intelligent dissolved oxygen tester has the beneficial effects that the online continuous measurement and the real automatic monitoring of water quality are realized; two paths of dissolved oxygen are simultaneously detected so that the cost is reduced; moreover, the novel intelligent dissolved oxygen tester is unattended and has the characteristics such as low maintenance, character and digital output, stable function, high precision and the like.
Description
Technical field
The utility model relates to detector field, espespecially a kind of novel intelligent dissolved oxygen tester.
Background technology
At present, along with people's living standard is become better and better, the propelling of urbanization, the water pollution in city is day by day serious, and factory manufactures, sanitary wastewater, and various sewage discharges, cause immeasurable destruction to environment, therefore, administer very urgent.The chemical examination that existing technology will be carried out various kinds through different laboratories to the detection of water quality differentiates, the instrument of use is complicated, of a great variety, the time of troublesome poeration, evaluation is long, expense is high; Can be divided into iodimetric titration, oxygen electrode method, Fiber Optic Sensor and fluorescence method, iodimetric titration: thus be by a series of chemical reaction, to calculate the content of dissolved oxygen DO, this pure chemistry method precision is high, but chemical reaction complicated, be vulnerable to disturb, Measuring Time is long, is difficult to realize on-line monitoring; Oxygen electrode method: can realize in-site measurement, but need the thing of use complicated, instrument needs to safeguard; Fiber Optic Sensor: complex process, cost high inconvenient with apply and promote widely; These methods all need more professional knowledge frequently to see the content of understanding and calculating dissolved oxygen DO, and measuring instrument needs regularly to safeguard.
Summary of the invention
For addressing the above problem, the utility model provides a kind of novel intelligent dissolved oxygen tester, it can be realized on-line continuous and measure, and left unguarded, realizes real automatic water quality monitoring system, detect two-way dissolved oxygen DO simultaneously, reduced cost, and it is little to have maintenance, the output of Chinese numeral, function-stable, the feature that precision is high.
For achieving the above object, the utility model adopts following technical scheme to be: a kind of novel intelligent dissolved oxygen tester, is characterized in that: comprising:
First sensor, adopts fluorescent quenching know-why to detect dissolved oxygen content;
The second sensor, for detection of the data of dissolved oxygen DO; And,
Controller, comprise: binary channels load module, the main control module being connected with load module, the demonstration being connected with main control module and the key-press module being connected with the second sensor with first sensor, the memory module being connected with demonstration and key-press module, the output module being connected with demonstration and key-press module, the control module being connected with output module, and be the power module of modules power supply in controller.
Adopt after above-mentioned technical scheme, the utility model is placed on the place of required detection dissolved oxygen DO by first sensor and the second sensor, by power module, powered, the fluorescent quenching know-why that adopts sensor detects with main control module and adopts the data that advanced algorithm calculates and processes sensor detects, and makes the precision of detection accurately high than the precision of general Fiber Optic Sensor detection.
Preferably, described first sensor and the second described sensor adopt the mode of screw thread rotation to change film cap.
Adopt after technique scheme, when the utility model can have dirt at the probe membrane cap of described first sensor and described the second legend, change film cap, so just can not affect measurement result below; Increase the serviceable life of this product simultaneously, reduce the maintenance workload in later stage.
Preferably, described first sensor and the second described sensor adopt the range of the range HuoppmWei unit that mg/L is unit.
Adopt after technique scheme, the utility model can be selected applicable range according to the dissolved oxygen content of measuring, and the result of measuring is like this more accurate, and error is little.
Preferably, described first sensor and described the second sensor adopt 4-20mA analog current signal to transmit voltage signal, SDI-12 interface protocol, RS232/MODBUS interface protocol or RS485/MODBUS interface protocol the data that detect are transported to binary channels load module.
Adopt after above-mentioned technical scheme, first sensor described in the utility model and described the second sensor can be in some sewage rivers and the numerous testing environment of pasture and water fast by the data of detection with being transferred to main control module by load module, simultaneously detector also can use with a little contaminated environment more severe the content of water quality detection dissolved oxygen DO, can not be interfered and affect testing result, applicability is more general.
Preferably, described binary channels load module is connected with described the second sensor with described first sensor by different serial ports respectively.
Adopt after above-mentioned technical scheme, the utility model can be placed on respectively the different local dissolved oxygen contents of different position probing by first sensor and the second sensor, when some need multi-group data and sampling Detection, the transmitting procedure that binary channels load module can be accelerated data shortens the time of transmission.
Preferably, described main control module, the number that adopts advanced account form processes sensor to detect, and accessible measurement range is the sensor in 0 to 10000NTU.
Adopt after technique scheme, the utility model can be installed the sensor of different measurement ranges according to different environment, makes the scope of detection more accurate, reduces the error of measuring, and allows user have better selection; Wherein, through inspection information, above-mentioned NTU is the unit that sensor detects dissolved oxygen content.
Preferably, described demonstration and key-press module, comprising: can show numeral, Chinese character, the LCD display of English and the key device of 8 buttons.
Adopt after technique scheme, the utility model can show the data after processing by LCD display by different modes, both there are data, also there is Chinese character, the personnel that are not professional can be understood, make applicability of the present utility model wider, user can revise parameter and sensing range is set by key device is set simultaneously.
Preferably, described output module adopts 4 to 20mA industrial standard electric current outputs, 0 to 20mA industrial standard electric current output, the output of MODBUS digital communication agreement, the output of PROFIBUS digital communication agreement or the output of HART digital communication agreement.
Preferably, described control module is for connecting the host computer of opertaing device or the relay of control peripherals.
Adopt after technique scheme, the utility model can be selected the different way of outputs according to user's demand, in the control to different, can select the different way of outputs.
Preferably, described power module adopts 110 to 220V AC power or 24V direct supply.
Adopt after technique scheme, the power range that the utility model tool can choice for use is large, running into special in the situation that, is not limited only to use a kind of Power supply, has improved the applicability of dissolving detector.
The beneficial effects of the utility model are: the utility model can be realized the on-line continuous of dissolved oxygen DO and measure, and left unguarded, realizes real automatic water quality monitoring; The controller of binary channels input can detect two-way dissolved oxygen DO simultaneously, when needs detect multi-group data, the utility model needs the time of work to see that one reduces by half, also different local water quality can be detected simultaneously, do not need movable sensor to arrive different places, reduce the cost detecting, improved properties of product.Sensor uses state-of-the-art fluorescence method principle, makes Product Precision and stability high, and sensor film cap can be changed by screw thread rotation, makes later maintenance convenient simple; Simultaneously user can be by show and key-press module easily to instrument in all parameters arrange, in addition, dissolved oxygen DO detector is widely used in: the oxygen in water in the fields such as waterworks, municipal wastewater factory, fish culture industry, stream lake, river detects.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of embodiment of the utility model.
Fig. 2 is the structural representation of the another kind of embodiment of the utility model.
Embodiment
Accompanying drawings, describes this embodiment of the present utility model:
Refer to shown in Fig. 1-2, the utility model, about a kind of novel intelligent dissolved oxygen tester, is characterized in that: comprising:
First sensor 1, adopts fluorescent quenching know-why to detect dissolved oxygen content;
The second sensor 3, for detection of the data of dissolved oxygen DO; And,
Controller 2, comprise: binary channels load module 21, the main control module 22 being connected with binary channels load module 21, the demonstration being connected with main control module 22 and the key-press module 23 being connected with the second sensor 3 with first sensor 1, the memory module 24 being connected with demonstration and key-press module 23, the output module 25 being connected with memory module 24, the control module 26 being connected with output module 25, and be the power module 27 of modules power supply in controller.
Above-mentioned first sensor 1 and the second described sensor 3 adopt the mode of screw thread rotation to change film cap.
Above-mentioned first sensor 1 and the second described sensor 3 adopt the range of the range HuoppmWei unit that mg/L is unit.
Above-mentioned first sensor 1 and described the second sensor 3 adopt 4-20mA analog current signal to transmit voltage signal, SDI-12 interface protocol, RS232/MODBUS interface protocol or RS485/MODBUS interface protocol the data that detect are transported to binary channels load module 21.
Above-mentioned binary channels load module 21 is connected with described the second sensor 3 with described first sensor 1 by different serial ports respectively.
Above-mentioned main control module 22, the number that adopts advanced account form processes sensor to detect, and accessible measurement range is the sensor in 0 to 10000NTU.
Above-mentioned demonstration and key-press module, comprising: can show numeral, Chinese character, the LCD display 231 of English and the key device 232 of 8 buttons.
Above-mentioned output module 25 adopts 4 to 20mA industrial standard electric current outputs, 0 to 20mA industrial standard electric current output, the output of MODBUS digital communication agreement, the output of PROFIBUS digital communication agreement or the output of HART digital communication agreement.
Above-mentioned control module 26 is for connecting the host computer of opertaing device or the relay of control peripherals.
Above-mentioned power module 27 adopts 110 to 220V AC power or 24V direct supply.
Adopt after technique scheme, the specific works flow process of the present embodiment is:
A, switch on power after, power module 27 provides continual and steady current/voltage for quality detector;
B, when described first sensor 1 and described the second sensor 3 are placed in corresponding occasion, binary channels load module 21 therefrom reads relevant data through sensors;
C, then binary channels load module 21 passes to the data that comprise in signal source analysis and the further senior calculating of carrying out data in CPU main control module 22 again;
D, finally by showing and key-press module 23 represents current value to user with display screen, menu editing function is provided simultaneously, user can use button to revise voluntarily some parameters and configuration according to oneself requirement.Display screen can provide numeral and Chinese character output to facilitate user to read;
E, final data store 24 by NAND FLASH & USB CONNECTOR module records;
F, simultaneously, output module 25 uses HART, and the agreements such as MODBUS or electric current output are by current data and parameter is transferred to PC or PLC carries out focusing on of data.
Above embodiment is only that preferred implementation of the present utility model is described; not scope of the present utility model is limited; do not departing under the prerequisite of the utility model design spirit; various distortion and improvement that the common engineering technical personnel in this area make the technical solution of the utility model, all should fall in the definite protection domain of claims of the present utility model.
Claims (10)
1. a novel intelligent dissolved oxygen tester, is characterized in that: comprising:
First sensor, adopts fluorescent quenching mode to detect dissolved oxygen content;
The second sensor, for detection of the content of dissolved oxygen DO; And,
Controller, comprise: with first sensor and the binary channels load module of the second sensor generation electric coupling, the main control module being connected with load module, the demonstration being connected with main control module and key-press module, the memory module being connected with demonstration and key-press module, the output module that is connected with demonstration and key-press module, the control module being connected with output module, and be the power module of modules power supply in controller.
2. novel intelligent dissolved oxygen tester according to claim 1, is characterized in that: described first sensor and the second described sensor adopt the mode of screw thread rotation to change film cap.
3. novel intelligent dissolved oxygen tester according to claim 1, is characterized in that: described first sensor and the second described sensor adopt the range of the range HuoppmWei unit that mg/L is unit.
4. novel intelligent dissolved oxygen tester according to claim 1, is characterized in that: described first sensor and described the second sensor adopt 4-20mA analog current signal to transmit voltage signal, SDI-12 interface protocol, RS232/MODBUS interface protocol or RS485/MODBUS interface protocol the data that detect are transported to binary channels load module.
5. novel intelligent dissolved oxygen tester according to claim 1, is characterized in that: described binary channels load module is connected with described the second sensor with described first sensor by different serial ports respectively.
6. novel intelligent dissolved oxygen tester according to claim 1, is characterized in that: the accessible measurement range of described main control module is the sensor in 0 to 10000NTU.
7. novel intelligent dissolved oxygen tester according to claim 1, is characterized in that:
Described demonstration and key-press module comprise: can show numeral, Chinese character, the LCD display of English and the key device of 8 buttons.
8. novel intelligent dissolved oxygen tester according to claim 1, is characterized in that: described output module adopts 4 to 20mA industrial standard electric current outputs, 0 to 20mA industrial standard electric current output, the output of MODBUS digital communication agreement, the output of PROFIBUS digital communication agreement or the output of HART digital communication agreement.
9. novel intelligent dissolved oxygen tester according to claim 1, is characterized in that: described control module is for connecting the host computer of opertaing device or the relay of control peripherals.
10. novel intelligent dissolved oxygen tester according to claim 1, is characterized in that: described power module adopts 110 to 220V AC power or 24V direct supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320540386.6U CN203502350U (en) | 2013-08-31 | 2013-08-31 | Novel intelligent dissolved oxygen tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320540386.6U CN203502350U (en) | 2013-08-31 | 2013-08-31 | Novel intelligent dissolved oxygen tester |
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| CN203502350U true CN203502350U (en) | 2014-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320540386.6U Expired - Fee Related CN203502350U (en) | 2013-08-31 | 2013-08-31 | Novel intelligent dissolved oxygen tester |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105891168A (en) * | 2014-12-05 | 2016-08-24 | 江南大学 | Determination method for trace dissolved oxygen in organic solvent |
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2013
- 2013-08-31 CN CN201320540386.6U patent/CN203502350U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105891168A (en) * | 2014-12-05 | 2016-08-24 | 江南大学 | Determination method for trace dissolved oxygen in organic solvent |
| CN105891168B (en) * | 2014-12-05 | 2018-11-16 | 江南大学 | The measuring method of trace dissolved oxygen in a kind of organic solvent |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Novel intelligent dissolved oxygen tester Effective date of registration: 20151126 Granted publication date: 20140326 Pledgee: Bank of China Limited by Share Ltd. Zhongshan branch Pledgor: ZHONGSHAN OMAC INSTRUMENT AND EQUIPMENT Co.,Ltd. Registration number: 2015990001053 |
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| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140326 Termination date: 20210831 |