CN102778540A - Environment-friendly data acquirer with function of automatic comparison - Google Patents
Environment-friendly data acquirer with function of automatic comparison Download PDFInfo
- Publication number
- CN102778540A CN102778540A CN2012102481825A CN201210248182A CN102778540A CN 102778540 A CN102778540 A CN 102778540A CN 2012102481825 A CN2012102481825 A CN 2012102481825A CN 201210248182 A CN201210248182 A CN 201210248182A CN 102778540 A CN102778540 A CN 102778540A
- Authority
- CN
- China
- Prior art keywords
- stream
- interface circuit
- circuit
- pollutant
- switch unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Abstract
The invention provides an environment-friendly data acquirer with function of automatic comparison, mainly comprising a power circuit, a keypad display circuit, a flow path switching unit, a central processing unit, a flow path switching control circuit, an input interface circuit and an output interface circuit; the central processing unit drives the flow path switching unit by the flow path switching control circuit, the flow path switching unit is provided with at least two inlet flow paths and an outlet flow path, which can be communicated with one another in a switching way, wherein one inlet flow path is for a pollutant sample, and the other flow path is for a standard comparison quality control sample; the outlet flow path is an outlet flow path going to a pollutant on-line measurer; one end of the input interface circuit is connected with the pollutant on-line measurer, and the other end of the input interface circuit is connected with central processing unit; and one end of the output interface circuit is connected with a monitoring information center, and the other end of the output interface circuit is connected with the central processing unit.
Description
Technical field
What the present invention relates to is a kind of automatic comparison environment protection digital Acquisition Instrument, belongs to Environment Monitoring Unit.
Background technology
National Environmental on-line monitoring infosystem be one catchment, environmental monitoring and controls such as atmosphere, pollution source, flue dust, and data acquisition, data analysis, information issue or the like are the integrated environment information platform of supervising of one.This system is presided over by national environmental protection portion and implements, and has invested more than 100 hundred million yuan, is made up of with country, province, city and county monitor messages at different levels center tens thousand of the pollutant on-line monitoring points that spread all over the country.A typical pollutant on-line monitoring point is adopted appearance etc. by several pollutant on-line measurement instruments and environmental protection number and is formed; The environmental protection number is adopted appearance and is concentrated the measurement data of gathering each pollutant measurement instrument, and is sent to the monitor message center to measurement data based on the TCP/IP IP by wireless or cable network.Because carry out daily verification the surveying instrument that pollutant on-line measurement instrument can not be worked in the laboratory, the accuracy and the validity of pollutant on-line measurement apparatus measures data can't be guaranteed.Country's 12 planning; With continuing construction and the popularization that the tens billion of units of investment are used for the environment online monitoring system, can't the guaranteeing of the accuracy of pollutant on-line measurement apparatus measures data and validity forms serious challenge to further developing of National Environmental on-line monitoring infosystem.
Summary of the invention
The objective of the invention is to overcome the deficiency that prior art exists; And a kind of automatic comparison environment protection digital Acquisition Instrument is provided; It can realize the automatic comparison calibrating to pollutant on-line measurement instrument; With the measuring accuracy of assurance pollutant on-line measurement instrument, thereby guaranteed that the environment protection digital Acquisition Instrument is gathered and the accuracy and the validity of the data of transmission.
The objective of the invention is to accomplish through following technical scheme; It mainly comprises the power circuit that is used to provide direct supply; Be used for the keyboard-display circuit that user's input and relevant information show; Be used for the stream switch unit that pollutant sample and standard comparison Quality Control appearance is selected; Be used for data and transmit, handle and the CPU of control, be used to drive the stream switch unit the stream control switching circuit, be used for being connected the input interface circuit that carries out the data input and carry out the output interface circuit that data are exported with being used for being connected based on the TCP/IP IP with the monitor message center with pollutant on-line measurement instrument; Described CPU drives described stream switch unit through described stream control switching circuit; Described stream switch unit has at least two import streams and one outlet stream and can switch and communicates; One of them import stream is for flowing into the import stream of pollutant sample, and another import stream is the import stream of inflow standard comparison Quality Control appearance; The outlet stream is the outlet stream that flows to pollutant on-line measurement instrument; Described input interface circuit one end links to each other with pollutant on-line measurement instrument, and the other end links to each other with described CPU; Described output interface circuit one end links to each other with the monitor message center, and the other end links to each other with described CPU.
Described stream switch unit disposes and makes import stream and outlet stream switch the solenoid valve communicate, and this solenoid valve is single two to advance the three-way solenoid valve that outes, or is formed by the solenoid valve combination of two one-in-and-one-outs.
Described CPU constitutes by single cpu circuit or by many cpu circuits; Described input interface circuit is 4-20mA electric current loop input circuit, or RS-232, RS-422 and RS-485 interface circuit, or comprises the interface circuit of a plurality of aforementioned 4 kinds of circuit; Described output interface circuit is based on the radio network interface circuit of TCP/IP IP, or based on the wired network interface circuit of TCP/IP IP.
Described automatic comparison environment protection digital Acquisition Instrument has one or more groups stream switch unit, stream control switching circuit and input interface circuit.
When the present invention is operated in automatic comparison; Central processing unit controls stream control switching circuit; Drive the stream switch unit; Import stream and the outlet stream that flows to the pollutant measurement instrument of stream switch unit of the inflow standard comparison Quality Control appearance of stream switch unit are communicated; Standard comparison Quality Control appearance inflow pollutant on-line measurement instrument detects like this, and measurement data is imported by input interface circuit, and CPU compares through the actual measurement data value standard value known with it to standard comparison Quality Control appearance; With the accuracy and the validity of calibrating pollutant on-line measurement apparatus measures data, its result exports the monitor message center to through output interface circuit.
Description of drawings
Fig. 1 is the theory diagram of automatic comparison environment protection digital Acquisition Instrument according to the invention.
Fig. 2 is the theory diagram with automatic comparison environment protection digital Acquisition Instrument of 2 groups of stream switch units, stream control switching circuit and input interface circuit.
Embodiment
To combine accompanying drawing that the present invention is elaborated below; Shown in Figure 1; The present invention mainly comprises: power circuit 6, keyboard-display circuit 7, are used for the stream switch unit 1 of pollutant sample and the selection of standard comparison Quality Control appearance; One is used for the CPU 2 that data transmit, handle and control; One be used to drive the stream switch unit stream control switching circuit 3, be used for being connected the input interface circuit 4, that carries out the data input and be used for being connected based on the TCP/IP IP and carry out the output interface circuit 5 that data are exported with monitor message center 8 with pollutant on-line measurement instrument 9; Said power circuit 6 provides the direct supply that needs through the AC/DC conversion to system, and keyboard-display circuit 7 is used for the demonstration of user's input and relevant information.Described CPU 2 drives described stream switch unit 1 through described stream control switching circuit 3; Described stream switch unit 1 has at least two import streams and one outlet stream and can switch and communicates; One of them import stream is for flowing into the import stream 1a of pollutant sample, and another import stream is the import stream 1b of inflow standard comparison Quality Control appearance; The outlet stream is the outlet stream 1c that flows to pollutant on-line measurement instrument; Described input interface circuit 4 one ends link to each other with pollutant on-line measurement instrument 9, and the other end links to each other with described CPU 2; Described output interface circuit 5 one ends link to each other with the monitor message center, and the other end links to each other with described CPU 2.
Described stream switch unit 1 disposes and makes import stream and outlet stream switch the solenoid valve communicate, and this solenoid valve is single two to advance the three-way solenoid valve that outes, or is formed by the solenoid valve combination of two one-in-and-one-outs.
Described CPU 2 constitutes by single cpu circuit or by many cpu circuits; Described input interface circuit 4 is 4-20mA electric current loop input circuits, or RS-232, RS-422 and RS-485 interface circuit, or comprises the interface circuit of a plurality of aforementioned 4 kinds of circuit; Described output interface circuit 5 is based on the radio network interface circuit of TCP/IP IP, or based on the wired network interface circuit of TCP/IP IP.
Described automatic comparison environment protection digital Acquisition Instrument has one or more groups stream switch unit 1, stream control switching circuit 3 and input interface circuit 4.
When system works to the pollutant on-line measurement time; CPU 2 control stream control switching circuits 3; Drive stream switch unit 1; Import stream 1a and the outlet stream 1c that flows to the pollutant measurement instrument of stream switch unit 1 of the inflow pollutant sample of stream switch unit 1 are communicated, and the pollutant sample flows into pollutant on-line measurement instrument and detects like this, and measurement data is by input interface circuit 4 inputs; Handle through CPU 2, export the monitor message center to through output interface circuit 5.When system works during in on-line automatic comparison; CPU 2 control stream control switching circuits 3; Drive stream switch unit 1; Import stream 1b and the outlet stream 1c that flows to the pollutant measurement instrument of stream switch unit 1 of the inflow standard comparison Quality Control appearance of stream switch unit 1 are communicated; Standard comparison Quality Control appearance inflow pollutant on-line measurement instrument detects like this, and measurement data is by input interface circuit 4 inputs, and CPU 2 compares through the actual measurement data value standard value known with it to standard comparison Quality Control appearance; With the accuracy and the validity of calibrating pollutant on-line measurement apparatus measures data, its result exports the monitor message center to through output interface circuit 5; Pollutant sample and standard comparison Quality Control appearance can be liquid, also can be gas.
Only adopt a kind of standard comparison Quality Control appearance among the embodiment shown in Figure 1; Stream switch unit 1 is two import streams and an outlet stream; Can adopt single two to advance the three-way solenoid valve that outes and realize; Also can realize by the solenoid valve combination of two one-in-and-one-outs; The present invention also can adopt standard comparison Quality Control appearance more than two kinds and two kinds according to concrete needs, and stream switch unit 1 corresponding inlet stream also will be more than two, can adopt solenoid valve to realize or adopt being similar to the special use eight logical injectors that Tianjin, island company is used for TOC-V and realizing.
Among the embodiment shown in Figure 1; Have only one group of stream switch unit 1, stream control switching circuit 3 and input interface circuit 4; Therefore can only connect a pollutant on-line measurement instrument; And a typical pollutant on-line monitoring point generally has many pollutant on-line measurement instruments, and correspondingly the present invention also should have stream switch unit 1, stream control switching circuit 3 and the input interface circuits 4 organized more.See accompanying drawing 2, this embodiment has 2 groups of stream switch units, stream control switching circuit and input interface circuit.
Claims (4)
1. compare the environment protection digital Acquisition Instrument automatically for one kind; It mainly comprises the power circuit that is used to provide direct supply; Be used for the keyboard-display circuit that user's input and relevant information show; Be used for the stream switch unit that pollutant sample and standard comparison Quality Control appearance is selected; Be used for data and transmit, handle and the CPU of control, be used to drive the stream switch unit the stream control switching circuit, be used for being connected the input interface circuit that carries out the data input and carry out the output interface circuit that data are exported with being used for being connected based on the TCP/IP IP with the monitor message center with pollutant on-line measurement instrument; It is characterized in that described CPU (2) drives described stream switch unit (1) through described stream control switching circuit (3); Described stream switch unit (1) has at least two import streams and one outlet stream and can switch and communicates; One of them import stream is for flowing into the import stream (1a) of pollutant sample, and another import stream is the import stream (1b) of inflow standard comparison Quality Control appearance; The outlet stream is the outlet stream (1c) that flows to pollutant on-line measurement instrument; Described input interface circuit (4) one ends link to each other with pollutant on-line measurement instrument, and the other end links to each other with described CPU (2); Described output interface circuit (5) one ends link to each other with the monitor message center, and the other end links to each other with described CPU (2).
2. automatic comparison environment protection digital Acquisition Instrument according to claim 1; It is characterized in that described stream switch unit (1) disposes the solenoid valve that the import stream is communicated with the switching of outlet stream; This solenoid valve is single two to advance the three-way solenoid valve that outes, or is formed by the solenoid valve combination of two one-in-and-one-outs.
3. automatic comparison environment protection digital Acquisition Instrument according to claim 1 is characterized in that described CPU (2) constitutes by single cpu circuit or by many cpu circuits; Described input interface circuit (4) is 4-20mA electric current loop input circuit, or RS-232, RS-422 and RS-485 interface circuit, or comprises the interface circuit of a plurality of aforementioned 4 kinds of circuit; Described output interface circuit (5) is based on the radio network interface circuit of TCP/IP IP, or based on the wired network interface circuit of TCP/IP IP.
4. automatic comparison environment protection digital Acquisition Instrument according to claim 1 is characterized in that described automatic comparison environment protection digital Acquisition Instrument has one or more groups stream switch unit (1), stream control switching circuit (3) and input interface circuit (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210248182.5A CN102778540B (en) | 2012-07-18 | 2012-07-18 | A kind of automatic comparison environment protection digital Acquisition Instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210248182.5A CN102778540B (en) | 2012-07-18 | 2012-07-18 | A kind of automatic comparison environment protection digital Acquisition Instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102778540A true CN102778540A (en) | 2012-11-14 |
| CN102778540B CN102778540B (en) | 2015-08-26 |
Family
ID=47123515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210248182.5A Expired - Fee Related CN102778540B (en) | 2012-07-18 | 2012-07-18 | A kind of automatic comparison environment protection digital Acquisition Instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102778540B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1247981A (en) * | 1998-09-12 | 2000-03-22 | 张新华 | Automatically sampling remote water and air quality monitoring system |
| CN1591008A (en) * | 2003-08-28 | 2005-03-09 | 湖南力合科技发展有限公司 | Pollution source on line monitoring network system |
| CN102147373A (en) * | 2011-01-19 | 2011-08-10 | 重庆大学 | Multi-parameter water quality monitoring system based on micro-optical-electro-mechanical system (MOEMS) micro spectrometer |
| CN202735321U (en) * | 2012-07-18 | 2013-02-13 | 嘉兴长天环保科技有限公司 | Environmental protection data collecting instrument capable of automatic comparison |
-
2012
- 2012-07-18 CN CN201210248182.5A patent/CN102778540B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1247981A (en) * | 1998-09-12 | 2000-03-22 | 张新华 | Automatically sampling remote water and air quality monitoring system |
| CN1591008A (en) * | 2003-08-28 | 2005-03-09 | 湖南力合科技发展有限公司 | Pollution source on line monitoring network system |
| CN102147373A (en) * | 2011-01-19 | 2011-08-10 | 重庆大学 | Multi-parameter water quality monitoring system based on micro-optical-electro-mechanical system (MOEMS) micro spectrometer |
| CN202735321U (en) * | 2012-07-18 | 2013-02-13 | 嘉兴长天环保科技有限公司 | Environmental protection data collecting instrument capable of automatic comparison |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102778540B (en) | 2015-08-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201638439U (en) | Full-metering simulation device | |
| CN102944426A (en) | Measurement and control system and method for test bed of X-type aero-engine | |
| CN203798913U (en) | Intelligent multichannel heater operating state and current monitoring system | |
| CN104965462A (en) | Sensing detection system | |
| CN103246282B (en) | A kind of pitch control device test device | |
| CN202735321U (en) | Environmental protection data collecting instrument capable of automatic comparison | |
| CN202735322U (en) | Intelligent online environment-monitoring and automatically comparing quality control instrument | |
| CN203324466U (en) | Verification system capable of verifying multiple electric-energy meters with different current specifications at the same time | |
| CN102778540A (en) | Environment-friendly data acquirer with function of automatic comparison | |
| CN104991575B (en) | One kind can remote operation flow/level sensing teaching experiment platform system and its application method | |
| CN102749423A (en) | Intelligent environment online monitoring and automatically-comparing quality control instrument | |
| CN206208991U (en) | A kind of direct-current resistance tester for transformer | |
| CN101308191B (en) | Diode electrical characteristics test system | |
| CN108828181A (en) | A kind of surface water quality monitoring system and monitoring method | |
| CN203217365U (en) | PLC (Programmable Logic Controller) based point-to-multipoint switching value detector | |
| CN100504419C (en) | Apparatus and method for testing photoelectric characteristic of thermo-optic switch array | |
| CN105044657B (en) | Gate energy meter monitoring system | |
| CN204461493U (en) | A kind of SF 6gas monitoring apparatus | |
| CN104716526A (en) | Signal terminal reusing method and device | |
| CN204903504U (en) | Environment -friendly data acquisition instrument | |
| CN104535217B (en) | A kind of multichannel temperature measurement circuit | |
| CN204924918U (en) | Linear light journey air quality automatic monitoring's long -range matter accuse system | |
| CN104049556B (en) | Portable radio-frequency switch unit integrated control system and method | |
| CN203233425U (en) | A message checking control apparatus of a digital value input electric energy meter in an intelligent transformer station | |
| CN206725719U (en) | PLC plate analog detection tools |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20150826 Termination date: 20190718 |