CN202383102U - Multi-parameter online water quality analyzer - Google Patents

Multi-parameter online water quality analyzer Download PDF

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Publication number
CN202383102U
CN202383102U CN201120545903XU CN201120545903U CN202383102U CN 202383102 U CN202383102 U CN 202383102U CN 201120545903X U CN201120545903X U CN 201120545903XU CN 201120545903 U CN201120545903 U CN 201120545903U CN 202383102 U CN202383102 U CN 202383102U
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CN
China
Prior art keywords
module
signal processing
processing module
connects
sampling
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Expired - Fee Related
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CN201120545903XU
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Chinese (zh)
Inventor
黄建
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GUIYANG XUETONG INSTRUMENT GAUGE CO Ltd
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GUIYANG XUETONG INSTRUMENT GAUGE CO Ltd
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Priority to CN201120545903XU priority Critical patent/CN202383102U/en
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Publication of CN202383102U publication Critical patent/CN202383102U/en
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Abstract

The utility model discloses a multi-parameter online water quality analyzer, which comprises a microprocessor and a liquid crystal display (LCD), wherein the microprocessor is connected with the LCD, more than two alternating current (AD) sampling modules and a photoelectric isolation module with more than two channels are connected with the microprocessor, the alternating current sampling modules are used for acquiring data and is connected with a signal processing module, the photoelectric isolation module is used for outputting and is connected with a digital-to-analogue conversion (DAC) output module, and the DAC output module is connected with a voltage converting current module. According to the multi-parameter online water quality analyzer, a surface mount technology is adopted to greatly increase the integration degree; and parameters to be measured can be chosen as required, all channels are mutually independent and do not interfere with one another, and complex function switches and adjusting knobs are omitted, so that the whole device is small in volume and convenient to install and use. All parameters are set independently, and the LCD displays in Chinese and is clear to operate.

Description

The online Water Test Kits of multiparameter
Technical field
The utility model relates to the online Water Test Kits of a kind of multiparameter, belongs to the technical field of online analytical instrument of water quality.
Background technology
Present online Water Test Kits on the market only has single parameter, and the detection of accomplishing multiparameter like need just needs many analytical instrument co-operation; So just cause water quality detection very loaded down with trivial details.Existing water quality testing meter also exists intelligent degree not high simultaneously, and digital display interface is dull, the problem that volume ratio is bigger; It adopts many board members such as display board, mainboard, power panel, signal plate; Integrated degree is low, and result of use is not ideal enough, and cost is higher.
Summary of the invention
The technical matters that the utility model will solve is: provide that a kind of integrated degree is high, volume is little, the online Water Test Kits of easy to operate multiparameter is to overcome the deficiency of prior art.
The technical scheme of the utility model is: the online Water Test Kits of multiparameter; Structure comprises microprocessor and LCDs; Microprocessor is connected with LCDs, connecting plural AD sampling module that is used for image data and the photoelectric isolation module more than two passages that are used to export on the microprocessor, on the AD sampling module, is connected with signal processing module; On photoelectric isolation module, be connected with the DAC output module, on the DAC output module, be connected with the voltage transitions current module.
The quantity of AD sampling module is 4, and it is respectively an AD sampling module, the 2nd AD sampling module, the 3rd AD sampling module and the 4th AD sampling module; The one AD sampling module connects ORP signal processing module and conductance signal processing module; The 2nd AD sampling module connects the processes temperature signal module of pH signal processing module and electric leading-pH; The 3rd AD sampling module connects the processes temperature signal module of dissolved oxygen signal processing module and dissolved oxygen; The 4th AD sampling module connects the processes temperature signal module of chlorine residue signal processing module and chlorine residue.
The number of channels of photoelectric isolation module is 2-6, on each passage of photoelectric isolation module, is connected with the DAC output module respectively.
Lead at electricity ,-be connected with first temperature sensor on the processes temperature signal module of pH; On the processes temperature signal module of dissolved oxygen, be connected with second temperature sensor; On the processes temperature signal module of chlorine residue, be connected with three-temperature sensor; The conductance signal processing module connects conductance electrode; The ORP signal processing module is connected with the ORP electrode; The pH signal processing module connects the pH electrode, and the dissolved oxygen signal processing module connects dissolved oxygen electrode, and the chlorine residue signal processing module connects the chlorine residue electrode.
The passage of photoelectric isolation module is 6.
Compare with prior art, the utility model adopts mount technology, can make the big panel height of integrated degree like this; With electricity lead, all components and parts of OR, pH passage are integrated on the wiring board of 130mm (wide) * 120mm (height); With the wiring board at another piece 101mm (wide) * 90mm (height) of setting up of dissolved oxygen, chlorine residue, measured parameter can be selected as required, and is separate between each passage; Do not disturb mutually; Do not had complicated functional switch and adjusting knob, the machine volume that makes is little, and installation and use are all very convenient.Each parameter is provided with separately, and adopts Chinese to show that it is explicit to operate on the LCDs.Simultaneously the utility model has also that integrated degree is high, easy to use, passage is many, is convenient to advantage such as expansion.
Description of drawings
Fig. 1 is the circuit theory diagrams of the utility model.
Embodiment
The embodiment of the utility model: as shown in Figure 1, microprocessor 1 adopts existing uPSD3234A-40U6 chip, and microprocessor 1 is not only the function of a CPU, and it stores the space of data and program in addition.UPSD3234A has two Flash storeies, and wherein 128K master Flsah storer is used for the dress program; Secondly the inferior Flash of 32K is used to store data.Microprocessor 1 connects LCDs 31; LCDs 31 adopts MGLS-19264; The MGLS-19264 that selects for use can provide the demonstration of figure, letter and Chinese character; Major function is to show resultant conductivity value, pH, ORP, dissolved oxygen, chlorine residue, temperature and electric current, and the operation interface of full Chinese is provided, and makes things convenient for the user to operate.
Microprocessor 1 connects the AD sampling module that is used for image data more than two; It can select the AD1112IDGST of 16 of binary channels; Its quantity is preferably 4, 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; The one AD sampling module 2 connects ORP signal processing module 4 and conductance signal processing module 3; The 2nd AD sampling module 5 connects the processes temperature signal module 7 of pH signal processing module 6 and electric leading-pH; The 3rd AD sampling module 8 connects the processes temperature signal module 10 of dissolved oxygen signal processing module 9 and dissolved oxygen; The 4th AD sampling module 11 connects the processes temperature signal module 13 of chlorine residue signal processing module 12 and chlorine residue.The processes temperature signal module 7 of the processes temperature signal module 13 of chlorine residue, the processes temperature signal module 10 of dissolved oxygen and electric leading-pH adopts the MC1403 of a SOP8 paster encapsulation to provide constant 2.5V voltage; Adopt the principle of electric resistance partial pressure, supply the sampling of AD sampling module chip to draw temperature value.Conductance signal processing module 3 adopts the paster (two of TL062I, one of AD620) of three SOP8 encapsulation and the paster CD4053 of a SOP16 encapsulation to organize structure respectively, volume be traditional conductivity meter the signal processing part partial volume 1/10.ORP signal processing module 4 adopts the 272C of a DIP8 encapsulation respectively, the paster MC1403 (pH processing module and ORP signal processing module are shared) of the paster AD620 of a SOP8 encapsulation, a SOP8 encapsulation, the paster 7660 (pH processing module and ORP signal processing module are shared) of a SOP8 encapsulation.PH signal processing module 6 adopts the 272C of a DIP8 encapsulation respectively, the paster MC1403 (pH processing module and ORP signal processing module are shared) of the paster AD620 of a SOP8 encapsulation, a SOP8 encapsulation, the paster 7660 (pH processing module and ORP signal processing module are shared) of a SOP8 encapsulation.Dissolved oxygen signal processing module 9 adopts an OPA128JM chip to gather current signal, amplifies through an OP07 and converts voltage to, becomes positive voltage to voltage transformation through an AD620 again, crosses OP07 and follows, supply the ADS1112 sampling for logical again one.Chlorine residue signal processing module 12 adopts an OPA128JM chip to gather current signal, amplifies through an OP07 and converts voltage to, becomes positive voltage to voltage transformation through an AD620 again, crosses OP07 and follows, supply the ADS1112 sampling for logical again one.Lead at electricity ,-be connected with first temperature sensor 32 on the processes temperature signal module 7 of pH; On the processes temperature signal module 10 of dissolved oxygen, be connected with second temperature sensor 33; On the processes temperature signal module 13 of chlorine residue, be connected with three-temperature sensor 34; Conductance signal processing module 3 connects conductance electrode 35; ORP signal processing module 4 is connected with ORP electrode 36; PH signal processing module 6 connects pH electrode 37, and dissolved oxygen signal processing module 9 connects dissolved oxygen electrode 38, and chlorine residue signal processing module 12 connects chlorine residue electrode 39.
Microprocessor 1 also connects two photoelectric isolation modules 16 with last passage that are used to export; Preferred 2-6; This example is an example with the photoelectric isolation module 16 of 6 passages; Each photoelectric isolation module 16 adopts the light lotus root of 3 TLP521-1 respectively, and 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.Each photoelectric isolation module 16 effect is that the electric current output is with not common-battery source, the not interference each other of signal sampling part.Each DAC output module 17 adopts the DAC7512 chip respectively, and volume has only 1/20 of common DAC chip.Each voltage transitions current module 18, adopt the LM324 chip, each DAC output module 17 is that 12 number is touched conversion chip, converts digital signal the voltage of 1~5V to, converts the electric current of 4~20mA again to through voltage transitions current module 18.
The AC/DC power module that is provided with on the wiring board 29 adopts HAT10-0512-NF, becomes direct current 5V and ± 12V to the alternating current 220V power source conversion, and DC/DC power module 30 adopts HDN3-5S24, converts the 5V of direct current to 24V again, with 5V not altogether.

Claims (5)

1. online Water Test Kits of multiparameter; Structure comprises microprocessor (1) and LCDs (31); It is characterized in that: microprocessor (1) is connected with LCDs (31); Upward connect plural AD sampling module that is used for image data and the photoelectric isolation module (16) more than two passages that are used to export at microprocessor (1); On the AD sampling module, be connected with signal processing module, on photoelectric isolation module (16), be connected with DAC output module (17), on DAC output module (17), be connected with voltage transitions current module (18).
2. the online Water Test Kits of multiparameter according to claim 1; It is characterized in that: the quantity of AD sampling module is 4, 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); The one AD sampling module (2) connects ORP signal processing module (4) and conductance signal processing module (3); The 2nd AD sampling module (5) connects the processes temperature signal module (7) of pH signal processing module (6) and electric leading-pH; The 3rd AD sampling module (8) connects the processes temperature signal module (10) of dissolved oxygen signal processing module (9) and dissolved oxygen; The 4th AD sampling module (11) connects the processes temperature signal module (13) of chlorine residue signal processing module (12) and chlorine residue.
3. the online Water Test Kits of multiparameter according to claim 1 is characterized in that: the number of channels of photoelectric isolation module (16) is 2-6, on each passage of photoelectric isolation module (16), is connected with the DAC output module respectively.
4. the online Water Test Kits of multiparameter according to claim 1 is characterized in that: lead at electricity ,-be connected with first temperature sensor (32) on the processes temperature signal module (7) of pH; On the processes temperature signal module (10) of dissolved oxygen, be connected with second temperature sensor (33); On the processes temperature signal module (13) of chlorine residue, be connected with three-temperature sensor (34); Conductance signal processing module (3) connects conductance electrode (35); ORP signal processing module (4) is connected with ORP electrode (36); PH signal processing module (6) connects pH electrode (37), and dissolved oxygen signal processing module (9) connects dissolved oxygen electrode (38), and chlorine residue signal processing module (12) connects chlorine residue electrode (39).
5. the online Water Test Kits of multiparameter according to claim 3 is characterized in that: the passage of photoelectric isolation module (16) is 6.
CN201120545903XU 2011-12-23 2011-12-23 Multi-parameter online water quality analyzer Expired - Fee Related CN202383102U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201120545903XU CN202383102U (en) 2011-12-23 2011-12-23 Multi-parameter online water quality analyzer

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Application Number Priority Date Filing Date Title
CN201120545903XU CN202383102U (en) 2011-12-23 2011-12-23 Multi-parameter online water quality analyzer

Publications (1)

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CN202383102U true CN202383102U (en) 2012-08-15

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104122376A (en) * 2014-06-30 2014-10-29 南京领先环保技术有限公司 Multi-parameter water quality analyzer
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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104122376A (en) * 2014-06-30 2014-10-29 南京领先环保技术有限公司 Multi-parameter water quality analyzer
CN104122376B (en) * 2014-06-30 2016-05-25 南京领先环保技术股份有限公司 A kind of multiparameter water quality analyzer
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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