CN201152870Y - Intelligent water quality analysis meter - Google Patents
Intelligent water quality analysis meter Download PDFInfo
- Publication number
- CN201152870Y CN201152870Y CNU2007200906416U CN200720090641U CN201152870Y CN 201152870 Y CN201152870 Y CN 201152870Y CN U2007200906416 U CNU2007200906416 U CN U2007200906416U CN 200720090641 U CN200720090641 U CN 200720090641U CN 201152870 Y CN201152870 Y CN 201152870Y
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Abstract
The utility model relates to an intelligent water quality analysis instrument which can be used for accurately measuring the pH value, the conductivity value and the dissolved oxygen value of solution. The analysis instrument comprises a dissolved oxygen electrode, a pH electrode and a conductivity electrode, wherein, the dissolved oxygen electrode, the pH electrode and the conductivity electrode are respectively connected with the inputs of the respective analog measurement circuit; the outputs of the analog measurement circuit are respectively connected with the input of a channel selection circuit; the output of the channel selection circuit is connected with the input of an analog-to-digital conversion circuit; the output of the analog-to-digital conversion circuit is connected with the input of a microprocessor; a storage and transmission port, a display and touch-screen control port and a remote control expert port are arranged on the microprocessor. The intelligent water quality analysis instrument has the advantages that the long-range communication is available, the assembled expert system is provided, the measurement performance is high, the environmental adaptability is strong, etc.
Description
Technical field
The utility model relate to a kind ofly have telecommunication, be furnished with expert system, characteristics such as measurement performance height, environmental suitability are strong, can accurately measure the smart water quality analyser of pH value, conductivity value, oxygen dissolving value and the temperature of solution, can connect three electrodes simultaneously, the user can select the location parameter combination voluntarily according to application requirements, reduce the loop cost, save installing space and instrument standby redundancy expense.
Background technology
Water Treatment is quite important in the generating plant, has only water is carried out suitable purified treatment and strict supervision carbonated drink quality, just can prevent to cause fouling, the corrosion of heat power equipment, avoids pipe explosion accident; Just can prevent the salification of superheater and steam turbine, descend even shutdowns that cause the accident in order to avoid steam turbine is exerted oneself, thus the safety and economic operation of assurance generating plant.Treat Water Treatment work conscientiously, cautiously, otherwise just can't guarantee the safety and economic operation of generating plant heat power equipment conscientiously.In view of the importance of Water Treatment, the supervisory function bit of chemical water quality analysis meter just shows especially more.
The most measurement parameter list of present domestic Water Test Kits can only be finished a certain water quality parameter is measured, and homemade early production is not now selected for use because of its principle falls behind, electrode performance is poor, stream complexity and secondary table technology are waited for a long time very much reason.Recent years, domestic have several producers to select inlet electrode for use, joins the secondary table of oneself, released instrument of new generation, but result of use and bad has shortcomings such as measuring accuracy is low.And external instrument measurement precision height, but cost an arm and a leg, and because distance reason such as remote, technical service is not in place after sale.And the existing water quality instrument trouble that operates, the prompting explanation almost is in space state, does not have the characteristics of hommization.Can cause a lot of adverse factors to power plant and user of service like this.
Summary of the invention
The purpose of this utility model be to overcome the deficiencies in the prior art and provide a kind of and have telecommunication, be furnished with expert system, characteristics such as measurement performance height, environmental suitability are strong, can accurately measure the smart water quality analyser of pH value, conductivity value, oxygen dissolving value and the temperature of solution.
The purpose of this utility model is achieved in that and comprises dissolved oxygen electrode, the pH electrode, conductance electrode, dissolved oxygen electrode, the pH electrode, conductance electrode is connected with the input end of separately analog measuring circuit respectively, the output terminal of analog measuring circuit is the input end of interface channel selection circuit respectively, the output terminal of channel selection circuit is connected with the input end of analog-to-digital conversion circuit, the output terminal of analog-to-digital conversion circuit is connected with the microprocessor input end, and microprocessor is provided with storage and transmit port, show and touch-screen control port and Long-distance Control and expert's port.
Described microprocessor is MEGA128, microprocessor MEGA128 is installed on the mainboard, the communication port that is provided with on microprocessor is respectively RS232 and RS485 serial ports, the communication port of microprocessor MEGA128 is connected on 485 level transferring chip of standard 232 level transferring chip MAX232 and standard by the copper cash on the circuit board, has realized and the communicating by letter of PC.Link to each other with the remote communication module input end with the RS485 serial ports by RS232 when telecommunication, the output terminal of remote communication module is communicated by letter with the expert system of Control Room.Realized the telecommunication with expert system, microprocessor MEGA128 is connected to number by copper cash and touches screen controller and be connected to the TFT touch-screen, and channel selection circuit is a multiway analog switch 4051.
The utlity model has following good effect:
1, overcome the shortcoming that domestic water quality analysis meter can only be measured single value, can carry out that PH, electricity lead, the monitoring of three parameters of dissolved oxygen simultaneously same point.
2, can compensate measuring numerical value according to temperature, flow and atmospheric pressure factor, reach higher precision.
3, at the low shortcoming of domestic instrument degree of intelligence, the intellectuality of this instrument height, networking, be furnished with that 4-20mA normalized current signal output is communicated by letter with RS-485, communication interfaces such as USB interface and telecommunication module, transfer data to computer by network, be furnished with expert system, can carry out remote reviewing, expert diagnosis to instrument system, function with automatic control interlock medicine system proposes necessary suggestion to abnormal conditions or other faults that occurs to the client, and service in time is provided.
4, the advanced person's of the man-machine interface of instrument employing touch screen technology adopts Chinese and English menu, and a large amount of operation indicatings is easy to operate, hommization.
Can be widely used in the continuous monitoring of indexs such as pH, electricity in the solution such as thermoelectricity, chemical industry chemical fertilizer, metallurgy, environmental protection, pharmacy, biochemistry, food and tap water led, dissolved oxygen.
Description of drawings
Fig. 1 is circuit catenation principle figure of the present utility model.
Embodiment
As shown in Figure 1, the utility model comprises dissolved oxygen electrode 1, pH electrode 2, conductance electrode 3, dissolved oxygen electrode 1, pH electrode 2, conductance electrode 3 is connected with the input end of separately analog measuring circuit 4 respectively, the output terminal of analog measuring circuit 4 is the input end of interface channel selection circuit 5 respectively, the output terminal of channel selection circuit 5 is connected with the input end of analog-to-digital conversion circuit 6, the output terminal of analog-to-digital conversion circuit 6 is connected with microprocessor 7 input ends, and microprocessor 7 is provided with storage and transmit port 8, show and touch-screen control port 9 and Long-distance Control and expert's port one 0.
Described microprocessor is MEGA128, microprocessor MEGA128 is installed on the mainboard, the communication port that is provided with on microprocessor is respectively RS232 and RS485 serial ports, the communication port of microprocessor MEGA128 is connected on 485 level transferring chip of standard 232 level transferring chip MAX232 and standard by the copper cash on the circuit board, has realized and the communicating by letter of PC.Link to each other with the remote communication module input end with the RS485 serial ports by RS232 when telecommunication, the output terminal of remote communication module is communicated by letter with the expert system of Control Room.Realized the telecommunication with expert system, microprocessor MEGA128 is connected to number by copper cash and touches screen controller and be connected to the TFT touch-screen, and channel selection circuit is a multiway analog switch 4051.Microprocessor is connected by the input end of the copper cash on the base plate with the CH375 chip, and the output terminal of CH375 chip is a USB interface.
The utility model is by power panel, mainboard, base plate and pH, and electricity is led, and the dissolved oxygen analog board is formed.
1, when measuring, behind the power supply electrifying, at first by microprocessor MEGA128 on the mainboard to System self-test, drive multiway analog switch 4051 and carry out channel selecting, which analog board insertion work judgement is, call corresponding software module in the microprocessor then, measure, thereby reach the simultaneously-measured purpose of a plurality of parameters.
2, can cause the inaccurate phenomenon of measurement at factors such as temperature, flow, atmospheric pressure, instrument has compensating circuit.Compensating circuit is temperature, flow, the atmospheric pressure signal gathered from electrode, with each parameter signals of electrode measurement through behind circle collection, obtain and have specified temp in the microprocessor, flow, each parameter value when atmospheric pressure conversion formula compensates to standard environment with each parameter with experiment, to reach the high precision of measurement.
3, the utility model is connected to the communication port of MEGA128 the input end of level transferring chip MAX232 and standard 485 level transferring chip by the copper cash on the circuit board, output terminal is respectively RS232 and RS485 serial ports, thereby realized communicating by letter of instrument and PC, and pass through remote communication module, come transmitting and receiving data to the pulpit, by the expert system tracing trouble on the server in the pulpit, judge field condition.
MEGA128 is connected with the input end of CH375 chip by the copper cash of base plate, and the output terminal of CH375 chip is USB interface, thereby can communicate by letter with USB device.
4, the utility model microprocessor is selected the mega128 of Atmel company for use, high-performance, low-power consumption.AD7715 through 16 after from the simulating signal of analog board output to mainboard carries out the AD conversion.Digital data transmission after the AD sampling is to microprocessor, and carried out computing, processing, the compensation of signal and stored into measurement result among the AT24C512 and be shown on the touch-screen by microprocessor, if desired, and carries out remote transmission.Microprocessor is also made response to the operation on the touch-screen simultaneously, after remote data is transferred in the pulpit, analysis expert system based on database technology makes judgement based on the data that transmit to field condition, propose solution and feed back to the user, finally be implemented in the interior dosing flow process of master-control room with regard to the may command Water Treatment.
5, the MEGA128 microprocessor is wired to touch screen controller ADS7846 and is connected to the TFT touch display screen, when having key to press on the touch-screen, gather push button signalling by touch-screen control chip ADS7846, deliver among the MEGA128, finish corresponding operation by the system software judgement, realize the touch-screen man-machine interface, promptly realized the man-machine interface of hommization.
Claims (3)
1, a kind of smart water quality analyser, comprise dissolved oxygen electrode, the pH electrode, conductance electrode, it is characterized in that: dissolved oxygen electrode, the pH electrode, conductance electrode is connected with the input end of separately analog measuring circuit respectively, the output terminal of analog measuring circuit is the input end of interface channel selection circuit respectively, the output terminal of channel selection circuit is connected with the input end of analog-to-digital conversion circuit, the output terminal of analog-to-digital conversion circuit is connected with the microprocessor input end, and microprocessor is provided with storage and transmit port, show and touch-screen control port and Long-distance Control and expert's port.
2, smart water quality analyser according to claim 1, it is characterized in that: described microprocessor is MEGA128, microprocessor MEGA128 is installed on the mainboard, the communication port that is provided with on microprocessor is respectively RS232 and RS485 serial ports, the communication port of microprocessor MEGA128 is connected on 485 level transferring chip of standard 232 level transferring chip MAX232 and standard by the copper cash on the circuit board, realization is communicated by letter with PC, when telecommunication, link to each other with the remote communication module input end with the RS485 serial ports by RS232, the output terminal of remote communication module is communicated by letter with the expert system of Control Room, realize telecommunication with expert system, microprocessor MEGA128 is connected to number by copper cash and touches screen controller and be connected to the TFT touch-screen, and channel selection circuit is a multiway analog switch 4051.
3, smart water quality analyser according to claim 2 is characterized in that: microprocessor MEGA128 is connected with the input end of CH375 chip by the copper cash of base plate, and the output terminal of CH375 chip is a USB interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200906416U CN201152870Y (en) | 2007-06-08 | 2007-06-08 | Intelligent water quality analysis meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200906416U CN201152870Y (en) | 2007-06-08 | 2007-06-08 | Intelligent water quality analysis meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201152870Y true CN201152870Y (en) | 2008-11-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200906416U Expired - Lifetime CN201152870Y (en) | 2007-06-08 | 2007-06-08 | Intelligent water quality analysis meter |
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| CN (1) | CN201152870Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102539643A (en) * | 2011-12-26 | 2012-07-04 | 袁晓东 | Water quality detection device and method of drinking water |
| CN102607650A (en) * | 2012-04-01 | 2012-07-25 | 郑贵林 | Self-maintenance multi-parameter water quality monitor |
| CN101943659B (en) * | 2009-07-08 | 2012-12-05 | 上海衡伟信息技术有限公司 | Multiparameter water quality comprehensive analyzer |
| CN103150949A (en) * | 2012-12-26 | 2013-06-12 | 华东师范大学 | Conductivity experiment monitoring system based on Modbus |
| CN103197631A (en) * | 2013-03-12 | 2013-07-10 | 深圳市泰丰网络设备有限公司 | Monitoring terminal, system and method for water breeding environment |
| WO2016008369A1 (en) * | 2014-07-15 | 2016-01-21 | 广州特种承压设备检测研究院 | Multiple item continuous automatic analysis apparatus for industrial boiler water quality testing and analysis method therefor |
| CN107179387A (en) * | 2016-03-12 | 2017-09-19 | 上海罗素科技有限公司 | Portable, multiple parameter Water Test Kits based on bluetooth |
-
2007
- 2007-06-08 CN CNU2007200906416U patent/CN201152870Y/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101943659B (en) * | 2009-07-08 | 2012-12-05 | 上海衡伟信息技术有限公司 | Multiparameter water quality comprehensive analyzer |
| CN102539643A (en) * | 2011-12-26 | 2012-07-04 | 袁晓东 | Water quality detection device and method of drinking water |
| CN102539643B (en) * | 2011-12-26 | 2017-02-22 | 袁晓东 | Water quality detection device and method of drinking water |
| CN102607650A (en) * | 2012-04-01 | 2012-07-25 | 郑贵林 | Self-maintenance multi-parameter water quality monitor |
| CN102607650B (en) * | 2012-04-01 | 2014-07-16 | 郑贵林 | Self-maintenance multi-parameter water quality monitor |
| CN103150949A (en) * | 2012-12-26 | 2013-06-12 | 华东师范大学 | Conductivity experiment monitoring system based on Modbus |
| CN103197631A (en) * | 2013-03-12 | 2013-07-10 | 深圳市泰丰网络设备有限公司 | Monitoring terminal, system and method for water breeding environment |
| WO2016008369A1 (en) * | 2014-07-15 | 2016-01-21 | 广州特种承压设备检测研究院 | Multiple item continuous automatic analysis apparatus for industrial boiler water quality testing and analysis method therefor |
| CN107179387A (en) * | 2016-03-12 | 2017-09-19 | 上海罗素科技有限公司 | Portable, multiple parameter Water Test Kits based on bluetooth |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HENAN PROVINCE RILIXIN CO., LTD. Free format text: FORMER OWNER: ZHENG ZHOU GREENVILLE ANALYSIS METER SCIENCE AND TECHNOLOGY CO., LTD. Effective date: 20091023 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| C56 | Change in the name or address of the patentee |
Owner name: ZHENG ZHOU GREENVILLE ANALYSIS METER SCIENCE AND T Free format text: FORMER NAME: ZHENG ZHOU GREEN ANALYSIS METER SCIENCE AND TECHNOLOGY CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: High tech Zone in Henan city of Zhengzhou Province bamboo Street No. 1, building 27, zip code: 450001 Patentee after: Zhengzhou Greenville Analytical Instrument Technology Co.,Ltd. Address before: 2# building 6F-B, science and technology innovation Plaza, 96 Ruida Road, hi tech Zone, Henan, Zhengzhou Province, 450001 Patentee before: ZHENGZHOU GELIN ANALYTICAL INSTRUMENT TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20091023 Address after: Stock building No. 1 relations, hi tech Zone bamboo street in Henan city of Zhengzhou province zip code: 450001 Patentee after: HENAN RELATIONS Co.,Ltd. Address before: High tech Zone in Henan city of Zhengzhou Province bamboo Street No. 1 shares of stock building relations, zip code: 450001 Patentee before: HENAN RELATIONS Co.,Ltd. Effective date of registration: 20091023 Address after: High tech Zone in Henan city of Zhengzhou Province bamboo Street No. 1 shares of stock building relations, zip code: 450001 Patentee after: HENAN RELATIONS Co.,Ltd. Address before: High tech Zone in Henan city of Zhengzhou Province bamboo Street No. 1, building 27, zip code: 450001 Patentee before: Zhengzhou Greenville Analytical Instrument Technology Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20081119 |
|
| CX01 | Expiry of patent term |