CN208269973U - A kind of data acquisition transmission instrument for pollution sources on-line automatic monitoring system - Google Patents
A kind of data acquisition transmission instrument for pollution sources on-line automatic monitoring system Download PDFInfo
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- CN208269973U CN208269973U CN201820905949.XU CN201820905949U CN208269973U CN 208269973 U CN208269973 U CN 208269973U CN 201820905949 U CN201820905949 U CN 201820905949U CN 208269973 U CN208269973 U CN 208269973U
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Abstract
The utility model provides a kind of data acquisition transmission instrument for pollution sources on-line automatic monitoring system, including shell, data acquisition unit, processing unit, data transmission unit, power supply unit, wiring units, display unit and push-button unit.Wherein, data acquisition unit, processing unit, data transmission unit, power supply unit, wiring units and display unit are respectively mounted in the housing, and push-button unit is mounted on the upper lid surface of data acquisition transmission instrument；Processing unit is connect with display unit, data transmission unit, push-button unit and data acquisition unit respectively；Power supply unit output two-way isolation voltage is respectively data acquisition unit, processing unit and other unit connecting with processing unit power supplies；Wiring units include the connecting terminal of the waterproof connector and data acquisition unit on shell.The data acquisition transmission instrument of the utility model can cover a variety of environmental monitoring applications such as water quality monitoring, flue gas monitoring, air quality monitoring, temperature-humidity monitoring.
Description
Technical field
The utility model relates to a kind of data for pollution sources automatic monitoring on line (monitoring) system to acquire transmission instrument, belong to
In environmental monitoring field.
Background technique
According to the environmental protection standard of country, environmentally friendly on-line monitoring system should be able to cover water quality monitoring, flue gas monitoring, air quality
A variety of environmental monitoring applications such as monitoring, temperature-humidity monitoring, data acquisition transmission instrument answer mountable by Pollution Source Monitoring point, realization
The data of the acquisition of the digital quantity of enviromental monitoring equipment and sensor, analog quantity or monitoring result, acquisition can pass through wireless public network
Equal communication modes upload to main website or cloud platform.
Data in existing environmental protection on-line monitoring system acquire transmission instrument structure, there are shell blow-by, interface it is few,
The defects of wiring units are not isolated with input power, local operation is inconvenient, causing scene to occur, product degree of protection is low, corrodes
Property gas easily invades, part monitoring signals can not access, wiring there are security risk, acquisition data be inconvenient to the problems such as checking.
Utility model content
For above-mentioned defect existing in the prior art, it is online for pollution sources that the purpose of the utility model is to provide one kind
The data of automatic monitored control system acquire transmission instrument.
To achieve the goals above, the utility model uses following technical scheme:
A kind of data for pollution sources on-line automatic monitoring system acquire transmission instrument, including shell, data acquisition unit,
Processing unit, data transmission unit, power supply unit, wiring units, display unit and push-button unit；The data acquisition unit,
Processing unit, data transmission unit, power supply unit, wiring units and display unit are respectively mounted in the housing, the push-button unit
It is mounted on the upper lid surface of data acquisition transmission instrument；The processing unit respectively with display unit, data transmission unit, key list
Member is connected with data acquisition unit；The power supply unit exports two-way isolation voltage, is all the way data acquisition unit power supply, another
Road is processing unit and other unit connecting with processing unit power supplies；The wiring units include waterproof connector on shell and
The connecting terminal of data acquisition unit.
Further, the shell uses the aluminium alloy compartment of surface plastic spraying, and the wall thickness of shell is 5mm.
Further, the upper cover of the shell is connect using shaft with pedestal, close using rubber ring between upper cover and pedestal
Envelope.
Further, the push-button unit is fixed on the upper lid surface of data acquisition transmission instrument using 3M glue.
Further, the data acquisition unit has 2 road RS485 interfaces, 3 tunnel RS232 interfaces, the input of 4 way switch amounts
Interface, 8 road analog input interfaces and analog acquisition chip, wherein switch value input interface is compatible with active signal and passive letter
Number.
Further, optical coupling isolator, institute are equipped between the RS485 interface, switch value input interface and processing unit
It states and is equipped with digital isolator between RS232 interface, analog acquisition chip and processing unit.
Further, the display unit uses dot matrix type LCD, passes through parallel data between display unit and processing unit
Interface connection.
Further, the push-button unit uses matrix film keyboard, by general between membrane keyboard and processing unit
Input/output interface connection.
Further, the LED of display working condition is also configured on the membrane keyboard.
Further, the data transmission unit uses LTE module, passes through string between data transmission unit and processing unit
The connection of row communication interface.
The data acquisition transmission instrument of the utility model has a variety of data acquisition interfaces, and IP65 grades of protection design makes
Terminal may be mounted at environmental protection in pollution monitoring environment, can cover water quality monitoring, flue gas monitoring, air quality monitoring, warm and humid
A variety of environmental monitoring applications such as degree monitoring sufficiently meet the needs of environmental protection administrations at different levels are to environmental information network construction, can be effective
Support the environmental monitoring and pollution management of environmental protection administration.
Detailed description of the invention
Fig. 1 is utility model device structural schematic diagram；
Fig. 2 is the utility model circuit design block diagram；
Fig. 3 is the utility model analog input voltage and current signal compatible circuit schematic diagram.
Specific embodiment
The technical solution of the utility model is further described with reference to the accompanying drawings and detailed description.
The present embodiment data acquisition transmission instrument include shell, data acquisition unit, processing unit, data transmission unit,
Power supply unit, wiring units, display unit and push-button unit.Data acquisition unit, processing unit, data transmission unit, power supply
Unit, wiring units, display unit are respectively mounted in the housing, and push-button unit is mounted on 1 surface of upper cover of data acquisition transmission instrument
And the IP grade to guarantee complete machine is fitted closely using 3M glue and upper cover 1.
As shown in Fig. 1, the shell of data acquisition transmission instrument uses the aluminium alloy compartment of surface plastic spraying, and upper cover 1 uses
Shaft is connect with pedestal 2, and the faying face between upper cover 1 and pedestal 2 uses seal with elastometic washer, and the wall thickness of shell surrounding 5mm guarantees
Impact resistance, IP65 grades of degree of protection design can enter shell corrosion control electricity with waterproof, dust, corrosive gas
Road.The front top that data acquire transmission instrument is the display area LCD 3, and the transparent glass that display window is 92*72mm opens a window, glass
Rubber seal is equally used between glass and upper cover.The positive bottom that data acquire transmission instrument is key area 4, and key uses 4 rows 5
Column matrix membrane keyboard is connected between membrane keyboard and processing unit by universal input/output interface；Also match on membrane keyboard
3 LED light are set, its working condition can be shown when terminal LCD is non-lit up.The downside that data acquire transmission instrument is 5 waterproofs
Connector 5, leftmost side waterproof connector are power input interface, and rightmost side waterproof connector is the antennal interface of data transmission unit, in
Between three waterproofs be connected in the wiring interface of data acquisition unit.
As shown in Fig. 2, the circuit system of data acquisition transmission instrument includes data acquisition unit, processing unit, data biography
Defeated unit, power supply unit, display unit and push-button unit.Wherein power supply unit is electrically isolated with other units, data acquisition
Unit is electrically isolated with other units.Power supply unit using FAN6863 as transmission instrument, 2 tunnels of output isolation 5V voltage point
It Wei not data acquisition unit, processing unit and other unit being isolated with processing unit non-electrical power supplies.
Processing unit is the core of data acquisition transmission instrument, and processing unit is using AT91SAM9G25-CU as core processing
Device, it is as follows with the interactive mode of other each units: to be connect by parallel communication interface with display unit, pass through serial ports and data
Transmission unit connection, is connect with push-button unit by universal input/output interface, passes through serial ports and Serial Peripheral Interface (SPI) and data
Acquisition unit connection.
Wiring units are made of the connection terminal portion of waterproof connector 5 and data acquisition unit on shell, physical cabling
When need to open data acquisition transmission instrument upper cover 1 and by cable pass through shell on waterproof connector 5 cable can be mounted on number
According on the input terminal of acquisition unit.
Data acquisition unit has 2 road RS485 interfaces, 3 tunnel RS232 interfaces, 4 way switch amount input interfaces, 8 tunnel analog quantitys
Input interface, wherein the compatible active signal of On-off signal and passive signal, analog acquisition pass through ADC chip
MAX1168BEEQ is realized.It can be by 4~20mA electric current of analog input interface after 2 500 ohm of resistor coupled in parallel shown in Fig. 3
Signal is converted to 1~5V voltage signal, accomplishes that analog input voltage signal and current signal are compatible.
Data transmission unit is realized using general LTE module, by serial between data transmission unit and processing unit
Communication interface connection.Data transmission unit can be uploaded to the data that data acquisition unit acquires by wireless public network or Ethernet
Main website or cloud platform are checked for user.
Display unit uses the LCD of 320*240 dot matrix.Display unit can local real-time display data acquisition unit acquisition
The information such as switching value, analog quantity.
In terms of electrical isolation, being isolated between RS485, switching value and processing unit is realized by optocoupler, RS232, simulation
Being isolated between amount acquisition chip and processing unit is realized by special digital isolator ISO7763DW.
The course of work of the present embodiment system are as follows: data acquire transmission instrument LCD after the power supply of power input alternating current 220V is normal
Rear system worked well is lighted, upper cover 1 is opened, switching value or analog quantity are accessed into corresponding wiring units interface, processing unit
Self-timing acquires the data of data acquisition unit, and collected data upload to main website by data transmission unit or cloud is flat
Platform is checked for user, LCD can also be cooperated to directly display acquisition data by keyboard when being viewed locally.Acquisition data can also pass through
USB exports journal file.
Claims (10)
1. a kind of data for pollution sources on-line automatic monitoring system acquire transmission instrument, which is characterized in that including shell, data
Acquisition unit, processing unit, data transmission unit, power supply unit, wiring units, display unit and push-button unit；The data
Acquisition unit, processing unit, data transmission unit, power supply unit, wiring units and display unit are respectively mounted in the housing, described
Push-button unit is mounted on the upper lid surface of data acquisition transmission instrument；The processing unit is single with display unit, data transmission respectively
Member, push-button unit are connected with data acquisition unit；The power supply unit exports two-way isolation voltage, is all the way data acquisition unit
Power supply, another way are processing unit and other unit connecting with processing unit power supplies；The wiring units include on shell
The connecting terminal of waterproof connector and data acquisition unit.
2. a kind of data for pollution sources on-line automatic monitoring system according to claim 1 acquire transmission instrument, special
Sign is that the shell uses the aluminium alloy compartment of surface plastic spraying, and the wall thickness of shell is 5mm.
3. a kind of data for pollution sources on-line automatic monitoring system according to claim 1 acquire transmission instrument, special
Sign is that the upper cover of the shell is connect using shaft with pedestal, and seal with elastometic washer is used between upper cover and pedestal.
4. a kind of data for pollution sources on-line automatic monitoring system according to claim 1 acquire transmission instrument, special
Sign is that the push-button unit is fixed on the upper lid surface of data acquisition transmission instrument using 3M glue.
5. a kind of data for pollution sources on-line automatic monitoring system according to claim 1 acquire transmission instrument, special
Sign is that the data acquisition unit has 2 road RS485 interfaces, 3 tunnel RS232 interfaces, 4 way switch amount input interfaces, 8 road moulds
Analog quantity input interface and analog acquisition chip, wherein switch value input interface is compatible with active signal and passive signal.
6. a kind of data for pollution sources on-line automatic monitoring system according to claim 5 acquire transmission instrument, special
Sign is, optical coupling isolator is equipped between the RS485 interface, switch value input interface and processing unit, and the RS232 connects
Digital isolator is equipped between mouth, analog acquisition chip and processing unit.
7. a kind of data for pollution sources on-line automatic monitoring system according to claim 1 acquire transmission instrument, special
Sign is that the display unit uses dot matrix type LCD, is connected between display unit and processing unit by parallel data grabbing card.
8. a kind of data for pollution sources on-line automatic monitoring system according to claim 1 acquire transmission instrument, special
Sign is that the push-button unit uses matrix film keyboard, is connect between membrane keyboard and processing unit by universal input output
Mouth connection.
9. a kind of data for pollution sources on-line automatic monitoring system according to claim 8 acquire transmission instrument, special
Sign is, the LED of display working condition is also configured on the membrane keyboard.
10. a kind of data for pollution sources on-line automatic monitoring system according to claim 1 acquire transmission instrument, special
Sign is that the data transmission unit uses LTE module, passes through serial communication interface between data transmission unit and processing unit
Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820905949.XU CN208269973U (en) | 2018-06-12 | 2018-06-12 | A kind of data acquisition transmission instrument for pollution sources on-line automatic monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820905949.XU CN208269973U (en) | 2018-06-12 | 2018-06-12 | A kind of data acquisition transmission instrument for pollution sources on-line automatic monitoring system |
Publications (1)
| Publication Number | Publication Date |
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| CN208269973U true CN208269973U (en) | 2018-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820905949.XU Active CN208269973U (en) | 2018-06-12 | 2018-06-12 | A kind of data acquisition transmission instrument for pollution sources on-line automatic monitoring system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113759761A (en) * | 2020-06-03 | 2021-12-07 | 深圳市德安通科技有限公司 | Wireless multi-channel switching value acquisition card |
-
2018
- 2018-06-12 CN CN201820905949.XU patent/CN208269973U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113759761A (en) * | 2020-06-03 | 2021-12-07 | 深圳市德安通科技有限公司 | Wireless multi-channel switching value acquisition card |
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