CN204269587U - A kind of multiparameter online water analysis instrument - Google Patents
A kind of multiparameter online water analysis instrument Download PDFInfo
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- CN204269587U CN204269587U CN201420797436.3U CN201420797436U CN204269587U CN 204269587 U CN204269587 U CN 204269587U CN 201420797436 U CN201420797436 U CN 201420797436U CN 204269587 U CN204269587 U CN 204269587U
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Abstract
The utility model discloses a kind of multiparameter online water analysis instrument, structure comprises microprocessor and LCDs, microprocessor is connected with LCDs, connect four the AD sampling modules being used for image data and the photoelectric isolation module of five passages for exporting on the microprocessor, AD sampling module is connected with signal processing module, photoelectric isolation module is connected with DAC output module, DAC output module is connected with voltage transitions current module.The utility model adopts mount technology, can make the large panel height of integration degree like this; Measured parameter can be selected as required, and separate between each passage, do not interfere with each other, without functional switch and the adjusting knob of complexity, the machine volume made is little, installs and uses all very convenient.Each parameter is arranged separately, and LCDs adopts Chinese display, operates explicit.
Description
Technical field
The utility model relates to a kind of multiparameter online water analysis instrument, belongs to online water analysis Instrument technology field.
Background technology
Current online water analysis instrument on the market, only have single parameter, the detection as completed multiparameter just needs multiple stage analytical instrument co-operation; So just cause water quality detection very loaded down with trivial details.Simultaneously also to there is intelligence degree not high for existing water quality testing meter, and digital display interfacial is dull, the problem that volume ratio is larger, it adopts many board members such as display board, mainboard, power panel, signal plate, integration degree is low, and result of use is not ideal enough, and cost is higher.
Summary of the invention
The technical problems to be solved in the utility model is: provide that a kind of integration degree is high, volume is little, can detect water quality multiple parameters, easy to operate multiparameter online water analysis instrument, to overcome the deficiencies in the prior art simultaneously.
The technical solution of the utility model is: a kind of multiparameter online water analysis instrument, it comprises circuit board, microprocessor and LCDs are installed on circuit boards, microprocessor is connected with LCDs, connect four the AD sampling modules being used for image data and the photoelectric isolation module of five passages for exporting on the microprocessor, AD sampling module is connected with signal processing module, photoelectric isolation module is connected with DAC output module, DAC output module is connected with voltage transitions current module.
Above-mentioned multiparameter online water analysis instrument is, four AD sampling modules are respectively an AD sampling module, the 2nd AD sampling module, the 3rd AD sampling module and the 4th AD sampling module; One AD sampling module connects the Temperature Treatment module of conductance signal processing module and conductance; 2nd AD sampling module connects the processes temperature signal module of PH signal processing module and PH; 3rd AD sampling module connects the processes temperature signal module of dissolved oxygen signal processing module and dissolved oxygen; 4th AD sampling module connects turbid ity signal processing module.
Five passages of photoelectric isolation module are connected to DAC output module.
The processes temperature signal module that the processes temperature signal module of conductance is connected with the first temperature sensor, PH is connected with the second temperature sensor; Three-temperature sensor is had at the processes temperature signal model calling of dissolved oxygen; Conductance signal processing module connects conductance electrode; PH signal processing module connects PH electrode, and dissolved oxygen signal processing module connects dissolved oxygen electrode, the turbidity electrode of the band automatic cleaning function of turbid ity signal processing module connecting band automatic cleaning function.
Compared with the prior art, the test set such as conductance, pH value, dissolved oxygen, turbidity, temperature are combined component multiparameter water quality analyzer by the utility model, so just disposablely can draw the parameters needed for water quality detection, such that the use of this equipment is easier, function is more complete.Package unit adopts mount technology, and integration degree can be made so significantly to improve; All components and parts of conductance, PH passage are integrated into 130mm(wide) * 120mm(is high) one piece of wiring board on; Dissolved oxygen, turbidity are set up at another block 101mm(wide) * 90mm(is high) wiring board, measured parameter can be selected as required, separate between each passage, do not interfere with each other, without functional switch and the adjusting knob of complexity, make machine volume little, install and use all convenient.Each parameter is arranged separately, and LCDs adopts Chinese display, operates explicit.Simultaneously the utility model also has that integration degree is high, easy to use, passage is many, be convenient to the advantages such as expansion.
Accompanying drawing explanation
Fig. 1 is circuit theory diagrams of the present utility model.
Embodiment
Embodiment of the present utility model: as shown in Figure 1, microprocessor 1 adopts existing uPSD3234A-40U6 chip, and the function of a CPU is not only by microprocessor 1, and it also has the space storing data and program.UPSD3234A has two panels flash storage, and wherein the main Flsah storer of 128K is for filling program; Secondly the secondary Flash of 32K is for storing data.Microprocessor 1 connecting fluid crystal display screen 31, LCDs 31 adopts MGLS-19264, the MGLS-19264 selected can provide the display of figure, letter and Chinese character, major function is that obtained conductivity value, PH, dissolved oxygen, turbidity, temperature and electric current are shown, and provide the operation interface of full Chinese, person's operation easy to use.
Microprocessor 1 connects four pieces of AD sampling modules for image data, and it can select the AD1112IDGST of binary channels 16, and it is respectively an AD sampling module 2, the 2nd AD sampling module 5, the 3rd AD sampling module 8 and the 4th AD sampling module 11; One AD sampling module 2 connects the processes temperature signal module 4 of conductance signal processing module 3 and conductance; 2nd AD sampling module 5 connects the processes temperature signal module 7 of PH signal processing module 6 and PH; 3rd AD sampling module 8 connects the processes temperature signal module 10 of dissolved oxygen signal processing module 9 and dissolved oxygen; 4th AD sampling module 11 connects turbid ity signal processing module 12.The processes temperature signal module 10 of the processes temperature signal module 4 of conductance, the processes temperature signal module 7 of PH and dissolved oxygen adopts the MC1403 of a SOP8 paster encapsulation to provide constant 2.5V voltage, adopt the principle of electric resistance partial pressure, draw temperature value for the sampling of AD sampling module chip.Conductance signal processing module 3 adopts the paster of four SOP8 encapsulation (272C mono-, AD620 mono-, MC1403 mono-and pH signal transacting share, 7,660 one share with pH signal transacting) respectively, and volume is 1/10 of the signal processing part partial volume of traditional electrical electrical conductivity instrument.PH signal processing module 6 adopts the 272C of a DIP8 encapsulation respectively, the paster 7660 (PH processing module and conductance signal processing module share) that the paster AD620 of a SOP8 encapsulation, the paster MC1403 (PH processing module and conductance signal processing module share) of a SOP8 encapsulation, a SOP8 encapsulate.Dissolved oxygen signal processing module 9 adopts an OPA128JM chip to gather current signal, then is amplified by an OP07 and convert voltage to, then by an AD620, voltage transformation is become positive voltage, a more logical mistake OP07 follows, and samples for ADS1112.Chlorine residue signal processing module 12 adopts an OPA128JM chip to gather current signal, then is amplified by an OP07 and convert voltage to, then by an AD620, voltage transformation is become positive voltage, a more logical mistake OP07 follows, and samples for ADS1112.The processes temperature signal module 4 of conductance is connected with the first temperature sensor 36; The processes temperature signal module 7 of PH is connected with the first temperature sensor 32; The processes temperature signal module 10 of dissolved oxygen is connected with the second temperature sensor 33; Conductance signal processing module 3 connects conductance electrode 35; PH signal processing module 6 connects PH electrode 37, and dissolved oxygen signal processing module 9 connects dissolved oxygen electrode 38, the nephelometer electrode 34 of turbid ity signal processing module 12 connecting band automatic cleaning function.
Microprocessor 1 also connects the photoelectric isolation module 16 for five passages exported, the photoelectric isolation module 16 of 5 passages is example, each photoelectric isolation module 16 adopts the light lotus root of 3 TLP521-1 respectively, and (the light lotus root of data, clock shares, therefore five passages are with 7 light lotus roots), photoelectric isolation module 16 connects DAC output module 17 respectively, and the DAC output module of each passage connects voltage transitions current module 18 respectively.The effect of each photoelectric isolation module 16 be electric current output with signal sampling part not common-battery source, do not disturb each other.Each DAC output module 17 adopts DAC7512 chip respectively, and volume only has 1/20 of common DAC chip.Each voltage transitions current module 18, employing LM324 chip, each DAC output module 17 is that the number of 12 touches conversion chip, digital signal is converted to the voltage of 1 ~ 5V, then converts the electric current of 4 ~ 20mA to by voltage transitions current module 18.
The AC/DC power module 29 that wiring board is arranged adopts HAT10-0512-NF, alternating current 220V Power convert become direct current 5V and ± 12V, DC/DC power module 30 adopts HDN3-5S24, then the 5V of direct current converted to 24V, with 5V not altogether.
Claims (4)
1. a multiparameter online water analysis instrument, it comprises circuit board, it is characterized in that: microprocessor (1) and LCDs (31) are installed on circuit boards, microprocessor (1) is connected with LCDs (31), connect four AD sampling modules being used for image data and the photoelectric isolation module (16) of Five-channel for exporting microprocessor (1) is upper, AD sampling module is connected with signal processing module, photoelectric isolation module (16) is connected with DAC output module (17), DAC output module (17) is connected with voltage transitions current module (18).
2. multiparameter online water analysis instrument according to claim 1, is characterized in that: four AD sampling modules are respectively an AD sampling module (2), the 2nd AD sampling module (5), the 3rd AD sampling module (8) and the 4th AD sampling module (11); One AD sampling module (2) connects the Temperature Treatment module (4) of conductance signal processing module (3) and conductance; 2nd AD sampling module (5) connects the processes temperature signal module (7) of PH signal processing module (6) and PH; 3rd AD sampling module (8) connects the processes temperature signal module (10) of dissolved oxygen signal processing module (9) and dissolved oxygen; 4th AD sampling module (11) connects turbid ity signal processing module (12).
3. multiparameter online water analysis instrument according to claim 1, is characterized in that: on five passages of photoelectric isolation module (16), be connected to DAC output module (17).
4. multiparameter online water analysis instrument according to claim 1, is characterized in that: the processes temperature signal module (7) being connected with the first temperature sensor (36), PH in the processes temperature signal module (4) of conductance is connected with the second temperature sensor (32); The processes temperature signal module (10) of dissolved oxygen is connected with three-temperature sensor (33); Conductance signal processing module (3) connects conductance electrode (35); PH signal processing module (6) connects PH electrode (37), and dissolved oxygen signal processing module (9) connects dissolved oxygen electrode (38), the turbidity electrode (34) of the band automatic cleaning function of turbid ity signal processing module (12) connecting band automatic cleaning function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420797436.3U CN204269587U (en) | 2014-12-17 | 2014-12-17 | A kind of multiparameter online water analysis instrument |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420797436.3U CN204269587U (en) | 2014-12-17 | 2014-12-17 | A kind of multiparameter online water analysis instrument |
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| CN204269587U true CN204269587U (en) | 2015-04-15 |
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| CN201420797436.3U Expired - Fee Related CN204269587U (en) | 2014-12-17 | 2014-12-17 | A kind of multiparameter online water analysis instrument |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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2014
- 2014-12-17 CN CN201420797436.3U patent/CN204269587U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150415 Termination date: 20161217 |
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| CF01 | Termination of patent right due to non-payment of annual fee |