CN207611030U - It is a kind of based on Internet of Things exhaust gas discharge in ammonia detecting system - Google Patents
It is a kind of based on Internet of Things exhaust gas discharge in ammonia detecting system Download PDFInfo
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- CN207611030U CN207611030U CN201721895811.8U CN201721895811U CN207611030U CN 207611030 U CN207611030 U CN 207611030U CN 201721895811 U CN201721895811 U CN 201721895811U CN 207611030 U CN207611030 U CN 207611030U
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Abstract
The detecting system of ammonia in a kind of exhaust gas discharge based on Internet of Things of the utility model, including：Sequentially connected smoke collecting device, ammonia detection device, Internet of Things wireless communication module and monitoring center.Smoke collecting device is for acquiring the flue gas in flue and being conveyed to ammonia detection device, ammonia detection device is used to be acquired the ammonia in flue gas and processing is converted into digital signal, Internet of Things wireless communication module be used for will treated that digital signal is sent to aggregation node, the digital signal received is sent to monitoring center by aggregation node by mobile communications network.The detecting system can realize remote monitoring and alarm to amount of ammonia slip, to ensure that power-plant flue gas discharge meets standard.
Description
Technical field
The utility model is related to ammonia in environmental monitoring technology field more particularly to a kind of exhaust gas discharge based on Internet of Things
Detecting system.
Background technology
China's thermal power output accounts for gross generation 70% or so, and coal accounts for the 90% of fired power generating unit fuel, with its people
Economic rapid growth, power generation capacity are grown rapidly, the atmosphere polluting problem getting worse caused by fire coal, the especially northern winter
The period atmosphere polluting problem that heats in season is even more serious.It, will be straight if the atmosphere pollution of power plant emission cannot be controlled effectively
Connect the improvement for influencing China's atmosphere quality.
Pollution aggravation in order to control, promotes the technological progress of Thermal Power Generation Industry and the sustainable development of power industry,《Thermal power plant is big
Gas emission standard》Start to execute, the control of concentration and total emission volumn to flue gas emission requires more stringent and accurate, phase
Answer to flue gas monitoring technology, more stringent requirements are proposed.To realize qualified discharge, denitrating system is installed additional in thermal power plant, common de-
Nitre technique uses selective catalytic reduction, and the technique denitration efficiency is high, performance is stablized, but there are ammonia agent residual and escape, makes
The problem of at environmental pollution.
The detection device of current ammonia is divided into two kinds：One kind is hand-held detecting instrument, convenient in the area of uncontrollable discharge
Domain is measured in real time, but testing staff's presence detection is needed when detection, and high labor cost cannot achieve monitoring in real time in 24 hours；
Another to discharge the escaping of ammonia detecting system in exhaust gas in a organized way, setting can detect ammonia escape amount near flue and carry out in real time
Data store, but still need to staff's timing and go collection in worksite detection data.
Utility model content
In order to solve the above technical problems, the purpose of this utility model be to provide it is a kind of based on Internet of Things exhaust gas discharge in ammonia
Detecting system, it can be achieved that the remote monitoring to amount of ammonia slip and alarm.
The detecting system of ammonia in a kind of exhaust gas discharge based on Internet of Things of the utility model, including：Smoke collecting device,
Ammonia detection device, Internet of Things wireless communication module and monitoring center；
The smoke collecting device includes：Sequentially connected sampling pipe, dedusting mechanism and vacuum pump；
The ammonia detection device includes：Ammonia gas sensor, voltage conversion circuit, amplifying circuit, A/D converter circuit and master
Control unit；
The vacuum pump is connected with ammonia gas sensor, and the ammonia concentration that the ammonia gas sensor acquires vacuum pump is converted
At current signal transfer to voltage conversion circuit, the amplifying circuit is connected with the voltage conversion circuit to receive conversion
The voltage signal of acquisition, the A/D converter circuit is connected with the amplifying circuit to receive amplified voltage signal, described
Main control unit is connected with A/D converter circuit to receive the digital signal that conversion obtains, and the main control unit carries out digital signal
Handle and by the Internet of Things wireless communication module will treated signal transmission to monitoring center.
In the exhaust gas discharge based on Internet of Things of the utility model in the detecting system of ammonia, the ammonia detection device is also
It include the input unit being connected with the main control unit.
In the exhaust gas discharge based on Internet of Things of the utility model in the detecting system of ammonia, the ammonia detection device is also
It include the vacuum pump control circuit that the flow to vacuum pump being connected with main control unit is controlled.
In the exhaust gas discharge based on Internet of Things of the utility model in the detecting system of ammonia, the Internet of Things wireless communication
Module is ZigBee wireless communication modules.
In the exhaust gas discharge based on Internet of Things of the utility model in the detecting system of ammonia, the monitoring center includes number
According to storage unit, display unit and alarm unit, the data storage cell be connected with Internet of Things wireless communication module with
Main control unit treated digital signal is received, the display unit is connected with data storage cell to show ammonia amount, institute
Alarm unit is stated with data storage cell to be connected.
In the exhaust gas discharge based on Internet of Things of the utility model in the detecting system of ammonia, the alarm unit is LED
Indicator light or buzzer.
The detecting system of ammonia, is adopted by smoke collecting device in a kind of exhaust gas discharge based on Internet of Things of the utility model
Collect the gas in flue, and fast and accurately detect the amount of ammonia slip in flue gas by ammonia detection device, then passes through Internet of Things
Wireless communication module by monitoring data transmission to monitoring center, it can be achieved that the remote monitoring to amount of ammonia slip and alarm, to ensure
Power-plant flue gas discharge meets standard.
Description of the drawings
Fig. 1 is the structure diagram of the detecting system of ammonia during a kind of exhaust gas based on Internet of Things of the utility model discharges；
Fig. 2 is the smoke collecting device of the detecting system of ammonia during a kind of exhaust gas based on Internet of Things of the utility model discharges
Structure diagram；
Fig. 3 is the ammonia detection device of the detecting system of ammonia during a kind of exhaust gas based on Internet of Things of the utility model discharges
Structure diagram；
Fig. 4 is the knot of the monitoring center of the detecting system of ammonia during a kind of exhaust gas based on Internet of Things of the utility model discharges
Structure block diagram.
Specific implementation mode
The detecting system of ammonia in a kind of exhaust gas discharge based on Internet of Things of the utility model is illustrated with reference to attached drawing.
The detecting system of ammonia in a kind of exhaust gas discharge based on Internet of Things of the utility model as shown in Figure 1, including：According to
Smoke collecting device 1, ammonia detection device 2, Internet of Things wireless communication module 3 and the monitoring center 4 of secondary connection.Smoke collecting
For acquiring the flue gas in flue and being conveyed to ammonia detection device 2, ammonia detection device 2 is used for the ammonia in flue gas device 1
Gas is acquired and processing is converted into digital signal, and Internet of Things wireless communication module 3 is for by treated, digital signal to be sent
To aggregation node, the digital signal received is sent to monitoring center 4 by aggregation node by mobile communications network.
As shown in Fig. 2, smoke collecting device 1 includes：Sequentially connected sampling pipe 11, dedusting mechanism 12 and vacuum pump 13.
When it is implemented, dedusting mechanism 12 may also set up in sampling pipe 11, flue gas directly carries out in sampling pipe 11 in flow process
Water-dust removing.
As shown in figure 3, ammonia detection device 2 includes：Ammonia gas sensor 21, voltage conversion circuit 22, amplifying circuit 23, AD
Conversion circuit 24 and main control unit 25.The vacuum pump 13 is connected with ammonia gas sensor 21, and ammonia gas sensor 21 turns with voltage
It changes circuit 22 to be connected, ammonia gas sensor 21 is used to the ammonia concentration that vacuum pump 13 acquires being converted into current signal transfer to electricity
Voltage conversion circuit 22.Voltage conversion circuit 22 is connected with amplifying circuit 23, and voltage conversion circuit 22 is used to turn current signal
It changes voltage signal into and is output to amplifying circuit 23 again.Amplifying circuit 23 is connected with A/D converter circuit 24, and amplifying circuit 23 is used for
By output after voltage signal enhanced processing to A/D converter circuit 24.A/D converter circuit 24 is connected with main control unit 25, AD conversion
Voltage signal is converted into digital data transmission to main control unit 25 by circuit 24.Main control unit 25 handles simultaneously digital signal
By the Internet of Things wireless communication module 3 will treated signal transmission to monitoring center 4.When it is implemented, main control unit
25 use STM32F103c microcontrollers.
Further, ammonia detection device 2 further includes the input unit 26 being connected with main control unit 25.Input unit 26
Calibration calibration is carried out to equipment before dispatching from the factory for equipment.
Further, ammonia detection device 2 further includes that the flow to vacuum pump 13 being connected with main control unit 25 carries out
The vacuum pump control circuit 27 of control.
When it is implemented, Internet of Things wireless communication module 3 uses ZigBee wireless communication modules.
As shown in figure 4, monitoring center 4 includes data storage cell 41, display unit 42 and alarm unit 43.The number
The digital signal that is connected with Internet of Things wireless communication module 3 that treated to receive main control unit 25 according to storage unit 41, it is described
Display unit 42 is connected with data storage cell 41 to show ammonia amount, the alarm unit 43 and 41 phase of data storage cell
Connection.When it is implemented, alarm unit 43 is LED light or buzzer.Light warning is carried out when detecting that ammonia is exceeded
Or audible alarm prompt.
The above is only the preferred embodiment of the present invention, the thought being not intended to limit the utility model, it is all
Within the spirit and principles of the utility model, it is new to should be included in this practicality for any modification, equivalent replacement, improvement and so on
Within the protection domain of type.
Claims (6)
1. the detecting system of ammonia in a kind of exhaust gas discharge based on Internet of Things, which is characterized in that including：Smoke collecting device, ammonia
Gas detection device, Internet of Things wireless communication module and monitoring center；
The smoke collecting device includes：Sequentially connected sampling pipe, dedusting mechanism and vacuum pump；
The ammonia detection device includes：Ammonia gas sensor, voltage conversion circuit, amplifying circuit, A/D converter circuit and master control list
Member；
The vacuum pump is connected with ammonia gas sensor, and the ammonia concentration that vacuum pump acquires is converted into electricity by the ammonia gas sensor
Signal transmission is flowed to voltage conversion circuit, and being connected with the voltage conversion circuit for the amplifying circuit is obtained to receive conversion
Voltage signal, the A/D converter circuit is connected with the amplifying circuit to receive amplified voltage signal, the master control
Unit is connected with A/D converter circuit to receive the digital signal that conversion obtains, and the main control unit handles digital signal
And by the Internet of Things wireless communication module will treated signal transmission to monitoring center.
The detecting system of ammonia during 2. the exhaust gas based on Internet of Things discharges as described in claim 1, which is characterized in that the ammonia
Detection device further includes the input unit being connected with the main control unit.
The detecting system of ammonia during 3. the exhaust gas based on Internet of Things discharges as described in claim 1, which is characterized in that the ammonia
Detection device further includes the vacuum pump control circuit that the flow to vacuum pump being connected with main control unit is controlled.
The detecting system of ammonia during 4. the exhaust gas based on Internet of Things discharges as described in claim 1, which is characterized in that the Internet of Things
Net wireless communication module is ZigBee wireless communication modules.
The detecting system of ammonia during 5. the exhaust gas based on Internet of Things discharges as described in claim 1, which is characterized in that the monitoring
Center includes data storage cell, display unit and alarm unit, the data storage cell and Internet of Things radio communication mold
Digital signal that block is connected that treated to receive main control unit, the display unit are connected with data storage cell to show
Ammonia amount, the alarm unit are connected with data storage cell.
The detecting system of ammonia during 6. the exhaust gas based on Internet of Things discharges as claimed in claim 5, which is characterized in that the alarm
Unit is LED light or buzzer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721895811.8U CN207611030U (en) | 2017-12-29 | 2017-12-29 | It is a kind of based on Internet of Things exhaust gas discharge in ammonia detecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721895811.8U CN207611030U (en) | 2017-12-29 | 2017-12-29 | It is a kind of based on Internet of Things exhaust gas discharge in ammonia detecting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207611030U true CN207611030U (en) | 2018-07-13 |
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ID=62799864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721895811.8U Active CN207611030U (en) | 2017-12-29 | 2017-12-29 | It is a kind of based on Internet of Things exhaust gas discharge in ammonia detecting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207611030U (en) |
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2017
- 2017-12-29 CN CN201721895811.8U patent/CN207611030U/en active Active
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