CN102087206A - On-line turbidity meter based on Internet of Things technology - Google Patents
On-line turbidity meter based on Internet of Things technology Download PDFInfo
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- CN102087206A CN102087206A CN 201010598417 CN201010598417A CN102087206A CN 102087206 A CN102087206 A CN 102087206A CN 201010598417 CN201010598417 CN 201010598417 CN 201010598417 A CN201010598417 A CN 201010598417A CN 102087206 A CN102087206 A CN 102087206A
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Abstract
The invention aims to disclose an on-line turbidity meter based on the Internet of Things technology, comprising a measuring part and an Internet of Things part, wherein the Internet of Things part realizes data display and alarm and displays the data onto a network; the measuring part and the Internet of Things part are mutually connected by an RS 232 interface, and serial port data are mutually transmitted and communicated; an LED laser light source serves as a light source of the measuring part to effectively improve the accuracy and the reproducibility of a measuring instrument; and the Internet of Things part can know the operation situation of the instrument at any time and place by the network. The on-line turbidity meter based on the Internet of Things technology has the simple structure and is practical.
Description
Technical field
The present invention relates to a kind of online turbidimeter, particularly a kind of online turbidimeter based on technology of Internet of things.
Background technology
Generally, containing suspension such as earth, flour sand, fine organism, inorganics, planktonic organism and colloid thing in the water can make the muddiness that water quality becomes and present certain turbidity; And turbidity is one of a kind of important indicator of weighing water quality, and the water of occasions such as waterworks and sewage treatment plant all needs the turbidity of strict control water.
Along with people more and more pay attention to food security and environmental protection, the public pays close attention to the monitoring and the measurement of water turbidity more.Usually, the measuring method of turbidimeter is that nephelometer emits beam, and makes it to pass one section sample, and detects and how much light to be arranged by the scattering of the institute of the particle the water from being 90 ° direction with incident light; This scattered light measuring method is called scattering method.
The design considerations Rayleigh theory and the mitscherlich's law of scattered light turbidimeter, i.e. IR=KN10, IR is the scattered light light intensity in the formula, and K is a constant, and N is a unit volume endoparticle number, and I0 is the incident light light intensity.As can be known, when incident light light intensity I0 was constant, scattered light signal IR was directly proportional with granule number N in the sample from following formula.
The advantage of scattering method is just can obtain excellent precision as long as guarantee the stability of light source and detecting element.
Domestic and international online turbidimeter is mainly based on scatter measurement method, and major part also is to use the light source of incandescent lamp bulb as instrument, but bulb is because of life-span short (homemade 350 hours, import 8000 hours), so need often to safeguard.
Internet of Things is the important component part of generation information technology, and the English name of Internet of Things is " The Internet of things "; As its name suggests, Internet of Things is exactly " a thing thing link to each other internet ", and this has the two-layer meaning: the first, and the core and the basis of Internet of Things remain the internet, are the extension on the basis, internet and the network of expansion; The second, its user side extends and has expanded between any object and the object, carries out message exchange and communicates by letter.
Current network develop rapidly, almost be dissolved into the every nook and cranny in the life, can connect network by computer or mobile phone whenever and wherever possible, when instrument is inserted the internet, great change will take place in instrument, people do not need to check real time data to the scene, as long as there is the equipment of online just can know the ruuning situation of instrument whenever and wherever possible at one's side.
In sum, at the defective of prior art, need a kind of online turbidimeter especially, to solve above-mentioned problem based on technology of Internet of things.
Summary of the invention
The object of the present invention is to provide a kind of online turbidimeter based on technology of Internet of things, solve the defective of above-mentioned prior art, improve the accuracy and the reappearance of surveying instrument effectively, can know the ruuning situation of instrument by network whenever and wherever possible, simple in structure, very practical.
Technical matters solved by the invention can realize by the following technical solutions:
A kind of online turbidimeter based on technology of Internet of things, it is characterized in that, it comprises that a measure portion and realizes data presentation and warning and with the Internet of Things part of data presentation to the network, and the RS232 interface is connected to each other also that serial data transmits UNICOM mutually between described measure portion and the described Internet of Things part.
In one embodiment of the invention, described measure portion comprises that a test cell and shows and control module, transmits UNICOM mutually by serial data between described test cell and described demonstration and the control module.
In one embodiment of the invention, described test cell comprises that one detects jar and is arranged on the porous extinction plate that detects pot bottom, be provided with light source in the described upper end of detecting jar, be respectively arranged with water delivering orifice and gas outlet on the upper side of described detection jar, the described lower side that detects jar is provided with water inlet, be provided with the bubble baffle plate of cooling down in the described position of detecting the corresponding described water inlet in inside of jar, the described light path that detects the described light source in inside of jar is provided with photo-sensitive cell, described photo-sensitive cell is connected with an A/D test circuit, the described bottom of detecting jar is provided with sewage draining exit, and the bottom of described detection jar is provided with dismountable clear glass window.
Further, described light source is the LED LASER Light Source.
Further, described photo-sensitive cell is a silicon photocell.
Further, the A/D test circuit of described measuring unit comprises I/V translation circuit, amplifying circuit, reference voltage source and A/D change-over circuit, the output terminal of described photo-sensitive cell connects I/V translation circuit, amplifying circuit and A/D change-over circuit successively, described reference voltage source is connected with described A/D change-over circuit, and the output terminal of described A/D change-over circuit connects described demonstration and control module.
In one embodiment of the invention, described demonstration and control module comprise a single-chip microcomputer, display module and key-press module, described display module is connected with described single-chip microcomputer with key-press module, described single-chip microcomputer is provided with the serial data interface and is connected with described A/D test circuit, described single-chip microcomputer is provided with the RS232 interface and is connected with described Internet of Things module, and described single-chip microcomputer is provided with the SPI interface and is connected with output circuit.
In one embodiment of the invention, described Internet of Things partly comprises serial ports receiver module, character string decomposing module, decoder module, data synthesis module, comparison alarm module, data disaply moudle, dynamic IP parsing module and Web publishing module; Described serial ports receiver module connects described character string decomposing module, described decoder module, described data synthesis module, described relatively alarm module, described dynamic IP parsing module and described Web publishing module successively, and described data disaply moudle is connected with described Web publishing module.
Online turbidimeter based on technology of Internet of things of the present invention, the light source of measure portion adopts the LED LASER Light Source, improves the accuracy and the reappearance of surveying instrument effectively; Internet of Things partly can be known the ruuning situation of instrument whenever and wherever possible by network, simple in structure, very practical, realizes purpose of the present invention.
Characteristics of the present invention can be consulted the detailed description of the graphic and following better embodiment of this case and be obtained to be well understood to.
Description of drawings
Fig. 1 is the structural representation of measure portion of the present invention;
Fig. 2 is the structured flowchart of A/D test circuit of the present invention;
Fig. 3 is the structural representation of demonstration of the present invention and control module;
Fig. 4 is the structured flowchart of Internet of Things part of the present invention.
Embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the present invention.
As Fig. 1, Fig. 2, shown in Figure 3, online turbidimeter based on technology of Internet of things of the present invention, it comprises that a measure portion and realizes data presentation and warning and with the Internet of Things part 300 of data presentation to the network, and the RS232 interface is connected to each other also that serial data transmits UNICOM mutually between described measure portion and the described Internet of Things part 300.
Described measure portion comprises that a test cell 100 and shows and control module 200, transmits UNICOM mutually by serial data between described test cell 100 and described demonstration and the control module 200.
The stability of light source 130 directly influences the accuracy and the reappearance of surveying instrument.Adopt tungsten halogen lamp to arrive several thousand hours, and adopt LED LASER Light Source (gas laser light source or other forms of LASER Light Source) for the turbidimeter light source life has only hundreds of, not only energy-conserving and environment-protective, and the life-span can bring up to 100,000 hours.So in the present invention, light source 130 is the LED LASER Light Source.
Photo-sensitive cell 150 is a silicon photocell.
Water flows to into detection jar 110 from water inlet 113, run into when cooling down bubble baffle plate 140, be divided into two the tunnel, the bubble weigh light upwards steeps baffle plate about 140 and closely contacts with detecting jar 110 owing to cooling down, Gu Shui is heavy can only be downward, walk around the bubble baffle plate 140 of cooling down and enter sensing chamber, when water arrives water delivering orifice 111, discharge naturally, in detecting jar 110, form a level altitude surface level.
The light of light source 130 is injected in the water from top to bottom at detection jar 110 centers, 1CM before the distance perspective optical element 150, and penetrate clear glass window 170, and arriving porous extinction plate 120, porous extinction plate 120 is with light absorption.
Photo-sensitive cell 150 is sent to test circuit 160 with the scattered light signal that the particle of illumination in water at its 1CM place, front produces, and how many its scattered light signals is directly proportional with particle in the water.
The position of gas outlet 112 is higher than water delivering orifice 111, just in case water inlet substantially exceeds water outlet, can protect not full irrigation, has protected light source 130 not intake.(referring to Fig. 1)
A/D test circuit 160 comprises I/V translation circuit 161, amplifying circuit 162, reference voltage source 163 and A/D change-over circuit 164, the output terminal of photo-sensitive cell 150 connects I/V translation circuit 161, amplifying circuit 162 and A/D change-over circuit 164 successively, reference voltage source 163 is connected with A/D change-over circuit 164, and the output terminal of A/D change-over circuit 164 connects described demonstration and control module 200.(referring to Fig. 2)
As shown in Figure 3, demonstration and control module 200 comprise a single-chip microcomputer 210, display module 220 and key-press module 230, display module 220 is connected with single-chip microcomputer 210 with key-press module 230, single-chip microcomputer 210 is provided with serial data interface 211 and is connected with part of detecting 100, single-chip microcomputer 210 is provided with RS232 interface 212 and is connected with Internet of Things part 300, and single-chip microcomputer 210 is provided with SPI interface 213 and is connected with output circuit.
As shown in Figure 4, described Internet of Things part 300 comprises serial ports receiver module 310, character string decomposing module 320, decoder module 330, data synthesis module 340, compares alarm module 350, data disaply moudle 360, dynamic IP parsing module 370 and Web publishing module 380; Described serial ports receiver module 310 connects described character string decomposing module 320, described decoder module 330, described data synthesis module 340, described relatively alarm module 350, described dynamic IP parsing module 370 and described Web publishing module 380 successively, and described data disaply moudle 360 is connected with described Web publishing module 380.
During work, the serial ports receiver module 310 of Internet of Things part 300 is connected with the RS232 interface 212 of the single-chip microcomputer 210 of demonstration and control module 200, the encrypted characters string that receives is resolved into single character through character decomposing module 320, single character is decrypted into individual data through decoder module 330, individual data synthesizes 5 integers through data synthesis module 340, data after synthetic judge more whether exceed alarming value through comparing alarm module 350, the data presentation that data disaply moudle 360 shows needs is to screen, dynamic IP parsing module 370 computer IP is fixed and by Web publishing module 380 with data presentation to webpage, finish the allomeric function of Internet of Things part 300.
More than show and described ultimate principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; that describes in the foregoing description and the instructions just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications; these changes and improvements all fall in the claimed scope of the invention, and the claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (8)
1. online turbidimeter based on technology of Internet of things, it is characterized in that, it comprises that a measure portion and realizes data presentation and warning and with the Internet of Things part of data presentation to the network, and the RS232 interface is connected to each other also that serial data transmits UNICOM mutually between described measure portion and the described Internet of Things part.
2. the online turbidimeter based on technology of Internet of things as claimed in claim 1, it is characterized in that, described measure portion comprises that a test cell and shows and control module, transmits UNICOM mutually by serial data between described test cell and described demonstration and the control module.
3. the online turbidimeter based on technology of Internet of things as claimed in claim 2, it is characterized in that, described test cell comprises that one detects jar and is arranged on the porous extinction plate that detects pot bottom, be provided with light source in the described upper end of detecting jar, be respectively arranged with water delivering orifice and gas outlet on the upper side of described detection jar, the described lower side that detects jar is provided with water inlet, be provided with the bubble baffle plate of cooling down in the described position of detecting the corresponding described water inlet in inside of jar, the described light path that detects the described light source in inside of jar is provided with photo-sensitive cell, described photo-sensitive cell is connected with an A/D test circuit, the described bottom of detecting jar is provided with sewage draining exit, and the bottom of described detection jar is provided with dismountable clear glass window.
4. the online turbidimeter based on technology of Internet of things as claimed in claim 3 is characterized in that described light source is the LED LASER Light Source.
5. the online turbidimeter based on technology of Internet of things as claimed in claim 3 is characterized in that described photo-sensitive cell is a silicon photocell.
6. the online turbidimeter based on technology of Internet of things as claimed in claim 3, it is characterized in that, the A/D test circuit of described measuring unit comprises I/V translation circuit, amplifying circuit, reference voltage source and A/D change-over circuit, the output terminal of described photo-sensitive cell connects I/V translation circuit, amplifying circuit and A/D change-over circuit successively, described reference voltage source is connected with described A/D change-over circuit, and the output terminal of described A/D change-over circuit connects described demonstration and control module.
7. the online turbidimeter based on technology of Internet of things as claimed in claim 2, it is characterized in that, described demonstration and control module comprise a single-chip microcomputer, display module and key-press module, described display module is connected with described single-chip microcomputer with key-press module, described single-chip microcomputer is provided with the serial data interface and is connected with described A/D test circuit, described single-chip microcomputer is provided with the RS232 interface and is connected with described Internet of Things module, and described single-chip microcomputer is provided with the SPI interface and is connected with output circuit.
8. the online turbidimeter based on technology of Internet of things as claimed in claim 1, it is characterized in that described Internet of Things partly comprises serial ports receiver module, character string decomposing module, decoder module, data synthesis module, comparison alarm module, data disaply moudle, dynamic IP parsing module and Web publishing module; Described serial ports receiver module connects described character string decomposing module, described decoder module, described data synthesis module, described relatively alarm module, described dynamic IP parsing module and described Web publishing module successively, and described data disaply moudle is connected with described Web publishing module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010598417 CN102087206A (en) | 2010-12-21 | 2010-12-21 | On-line turbidity meter based on Internet of Things technology |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010598417 CN102087206A (en) | 2010-12-21 | 2010-12-21 | On-line turbidity meter based on Internet of Things technology |
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| CN102087206A true CN102087206A (en) | 2011-06-08 |
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| CN 201010598417 Pending CN102087206A (en) | 2010-12-21 | 2010-12-21 | On-line turbidity meter based on Internet of Things technology |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103674900A (en) * | 2013-11-30 | 2014-03-26 | 中山欧麦克仪器设备有限公司 | Automatic alarm turbidity detection instrument |
| CN108007903A (en) * | 2018-01-24 | 2018-05-08 | 四川沃文特生物技术有限公司 | A kind of sample turbidity detection device |
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| CN2514351Y (en) * | 2001-12-20 | 2002-10-02 | 孙墨杰 | Batch-type on-line automatic washing turbidimeter |
| CN1447119A (en) * | 2002-12-24 | 2003-10-08 | 华南理工大学 | ALarm unit in turbidity online examination with self-compensation for light variation of multiple tube pairs and examination methods |
| CN1777798A (en) * | 2003-03-17 | 2006-05-24 | 焦耳显微系统加拿大公司 | System enabling remote analysis of fluids. |
| CN1932483A (en) * | 2005-09-16 | 2007-03-21 | 柳长庆 | Environment protection sewage nephelometer |
| CN101266254A (en) * | 2008-05-09 | 2008-09-17 | 邯郸市隆达利科技发展有限公司 | Water quality automatic on-line monitoring system |
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2010
- 2010-12-21 CN CN 201010598417 patent/CN102087206A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2514351Y (en) * | 2001-12-20 | 2002-10-02 | 孙墨杰 | Batch-type on-line automatic washing turbidimeter |
| CN1447119A (en) * | 2002-12-24 | 2003-10-08 | 华南理工大学 | ALarm unit in turbidity online examination with self-compensation for light variation of multiple tube pairs and examination methods |
| CN1777798A (en) * | 2003-03-17 | 2006-05-24 | 焦耳显微系统加拿大公司 | System enabling remote analysis of fluids. |
| CN1932483A (en) * | 2005-09-16 | 2007-03-21 | 柳长庆 | Environment protection sewage nephelometer |
| CN101266254A (en) * | 2008-05-09 | 2008-09-17 | 邯郸市隆达利科技发展有限公司 | Water quality automatic on-line monitoring system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103674900A (en) * | 2013-11-30 | 2014-03-26 | 中山欧麦克仪器设备有限公司 | Automatic alarm turbidity detection instrument |
| CN108007903A (en) * | 2018-01-24 | 2018-05-08 | 四川沃文特生物技术有限公司 | A kind of sample turbidity detection device |
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Application publication date: 20110608 |