CN218470616U - Multi-channel oxygen analysis device - Google Patents
Multi-channel oxygen analysis device Download PDFInfo
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- CN218470616U CN218470616U CN202222561601.2U CN202222561601U CN218470616U CN 218470616 U CN218470616 U CN 218470616U CN 202222561601 U CN202222561601 U CN 202222561601U CN 218470616 U CN218470616 U CN 218470616U
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Abstract
The utility model relates to a granary oxygen concentration monitoring technology field refers in particular to a multichannel oxygen analysis device, including touch display screen, the PLC controller, solenoid valve control module group, a filter, the air pump, flowmeter and oxygen divide the board appearance, touch display screen passes through the circuit electricity and connects in the PLC controller, the PLC controller passes through the circuit electricity and connects in solenoid valve control module group, the inlet end of solenoid valve control module group has multichannel sampling channel through the trachea connection, the end of giving vent to anger of solenoid valve control module group passes through the trachea and connects in the inlet end of filter, the end of giving vent to anger of filter passes through the trachea and connects in the inlet end of air pump, the first end of giving vent to anger of air pump passes through the trachea and connects in the inlet end of flowmeter, the end of giving vent to anger of flowmeter passes through the trachea and connects in oxygen divides the board appearance, oxygen divides the board appearance to pass through the circuit electricity and connects in touch display screen. The utility model discloses only divide the board appearance through an oxygen, can satisfy multichannel oxygen analysis, reduced the cost of oxygen analysis appearance equipment.
Description
Technical Field
The utility model relates to a granary oxygen concentration control technical field refers in particular to a multichannel oxygen analysis device.
Background
In the process of storing grains in the granary, the granary needs to be kept in a low-oxygen environment. Because of the large area of the grain bin, it is necessary to monitor the oxygen content in the grain in multiple orientations. At present, a plurality of oxygen analyzers are generally adopted in a traditional granary to be used for carrying out multi-azimuth monitoring on the granary, and the equipment cost is higher.
SUMMERY OF THE UTILITY MODEL
To the problem, the utility model provides a multichannel oxygen analysis device only divides the board appearance through an oxygen, can satisfy multichannel oxygen analysis, has reduced the cost of oxygen analysis appearance equipment.
In order to achieve the above purpose, the utility model discloses the technical scheme who uses as follows:
the utility model provides a multichannel oxygen analytical equipment, including touch display screen, the PLC controller, solenoid valve control module group, the filter, the air pump, flowmeter and oxygen divide the board appearance, touch display screen passes through the circuit electricity and connects in the PLC controller, the PLC controller passes through the circuit electricity and connects in solenoid valve control module group, the inlet end of solenoid valve control module group has multichannel sampling channel through the trachea connection, the end of giving vent to anger of solenoid valve control module group passes through the trachea and connects in the inlet end of filter, the end of giving vent to anger of filter passes through the trachea and connects in the inlet end of air pump, the end of giving vent to anger of air pump passes through the trachea and connects in the inlet end of flowmeter, the end of giving vent to anger of flowmeter passes through the trachea and connects in oxygen divides the board appearance, oxygen divides the board appearance to pass through the circuit electricity and connects in touch display screen.
According to the scheme, the air pump further comprises a pressure limiting valve, the second air outlet end of the air pump is connected to the air inlet end of the pressure limiting valve through an air pipe, and the air outlet end of the pressure limiting valve is connected with an exhaust pipeline.
According to the scheme, the device further comprises a carbon dioxide measuring module, the air inlet end of the carbon dioxide measuring module is connected to the exhaust pipeline through an air pipe, and the air outlet end of the carbon dioxide measuring module is connected to the oxygen plate separating instrument through an air pipe.
According to the scheme, the PLC comprises a relay control module.
According to the scheme, a zirconium oxide sensor is arranged in the oxygen plate separating instrument.
According to the scheme, the filtering specification of the filter is less than or equal to 0.1um, and the filter is provided with 20 filter elements.
According to the above scheme, the air pump comprises an air pump.
According to the scheme, the electromagnetic valve control module can be externally connected with 10 sampling channels.
According to the scheme, the circuit is a modbus bus.
The utility model discloses beneficial effect:
the utility model adopts the structure, the PLC controller is sent a control instruction through the touch display screen, the PLC controller controls the electromagnetic valve control module, the multi-channel gas to be measured is selected (the multi-channel sampling channel is switched on in a time-sharing way to switch the multi-channel gas), the gated gas enters the oxygen analyzer after passing through the filter, the air pump and the flowmeter in sequence, thereby measuring the gas concentration data, and the concentration data is transmitted to the touch display screen through the circuit to be displayed; the utility model discloses only divide the board appearance through an oxygen, can satisfy multichannel oxygen analysis, reduced the cost of oxygen analysis appearance equipment.
Drawings
FIG. 1 is a block diagram of the overall structure of the present invention;
fig. 2 is a schematic diagram of the working principle of the present invention.
1. A touch display screen; 2. a PLC controller; 3. an electromagnetic valve control module; 4. a filter; 5. an air pump; 6. a flow meter; 7. an oxygen plate separating instrument; 8. a pressure limiting valve; 9. a carbon dioxide measurement module.
Detailed Description
The technical solution of the present invention will be described below with reference to the accompanying drawings and examples.
As shown in FIG. 1 and FIG. 2, a multichannel oxygen analytical equipment, including touch display screen 1, PLC controller 2, solenoid valve control module 3, filter 4, air pump 5, flowmeter 6 and oxygen divides board appearance 7, touch display screen 1 is connected in PLC controller 2 through the circuit electricity, PLC controller 2 is connected in solenoid valve control module 3 through the circuit electricity, solenoid valve control module 3's inlet end is connected with multichannel sampling channel through the trachea, solenoid valve control module 3's the end of giving vent to anger is connected in filter 4's inlet end through the trachea, filter 4's the end of giving vent to anger is connected in air pump 5's inlet end through the trachea, air pump 5's the first end of giving vent to anger is connected in flowmeter 6's inlet end through the trachea, flowmeter 6's the end of giving vent to anger is connected in oxygen divides board appearance 7 through the trachea, oxygen divides board appearance 7 to pass through circuit touch display screen 1 electricity connection. The above structure is the basic structure of the utility model.
The utility model discloses a such structure setting sends control command to PLC controller 2 through touch display screen 1, and PLC controller 2 controls solenoid valve control module group 3, selects the multichannel gas that awaits measuring (the timesharing switches on multichannel sampling channel and switches over the multichannel gas), and the gas of gating is in proper order behind filter 4, air pump 5, flowmeter 6, gets into oxygen analysis appearance 7 to measure the gas concentration data, this concentration data passes through the line transmission and shows to touch display screen 1. The utility model discloses only divide board appearance 7 through an oxygen, can satisfy multichannel oxygen analysis, reduced equipment cost.
The touch display screen 1 is communicated with the PLC 2 through a modbus bus, and can set switching time of a plurality of channels; the electromagnetic valve control module 3 is used for connecting a plurality of sampling channels, so that the gases in the channels can be conveniently collected; the filter 4 is used for filtering the gas; the air pump 5 is used for guiding the sampling air to the flowmeter 6; the flow meter 6 is used for monitoring the flow of the gas; the oxygen analyzer 7 is used to measure the gas concentration.
In this embodiment, the air pump further comprises a pressure limiting valve 8, the second air outlet end of the air pump 5 is connected to the air inlet end of the pressure limiting valve 8 through an air pipe, and the air outlet end of the pressure limiting valve 8 is connected to an exhaust pipe. With the adoption of the structure, when the gas reaches the preset pressure value, the gas can be safely exhausted.
In this embodiment, still include carbon dioxide measurement module 9, carbon dioxide measurement module 9's inlet end passes through the trachea and connects in exhaust duct, and carbon dioxide measurement module 9's the end of giving vent to anger passes through the trachea and connects in oxygen minute board appearance 7. By adopting the structure, the device can be used for detecting the concentration of carbon dioxide in the exhaust gas, and further monitoring whether the exhaust gas exceeds the standard or not and whether the exhaust gas is attached with environment protection or not.
In the present embodiment, the PLC controller 2 includes a relay control module. By adopting the structure, the control effect is good, and the service life is long.
In this embodiment, a zirconia sensor is provided in the oxygen analyzer 7. By adopting the structure, the device has reliable performance, quick response and long service life.
In this embodiment, the filter 4 has a filtering specification of 0.1um or less and is provided with 20 filter elements. By adopting the structure, the filter effect is good and the service life is long.
In the present embodiment, the air pump 5 includes an air pump. By adopting the structure, the air exhaust effect is good, and the service life is long.
In this embodiment, the electromagnetic valve control module 3 may be externally connected with 10 sampling channels. By adopting the structure, the oxygen content of the gas in the 10 sampling channels can be monitored simultaneously.
In practical application, the touch display screen 1 further has the following functions: 1) Channel selection function and real-time alarm function: the channel selection function can be realized by touching the display screen 1, the channel selection key is clicked, the gas measurement of the channel is selected or cancelled, and the system performs circular measurement in the selected channel; the current measurement channel is displayed in a yellow-green flashing mode, and after pre-exhausting is finished, the measurement result is displayed in a green mode; when the system enters a testing stage, the system is set according to the alarm, the gas concentration triggering alarm is displayed on the real-time alarm column, and the system can double click the screen to respond to the alarm. 2) The alarm setting function: setting the starting/stopping of the gas alarm function of each channel; and setting alarm upper and lower limit values of each channel, and triggering alarm when the gas concentration exceeds the alarm value. 3) A time setting function: setting the pre-evacuation time of each channel gas, and after the channels are switched, evacuating the gas in the previous channel in a certain time; the gas pre-exhausting time is the time required by the gas exhausting of the last channel on site; setting the testing time of the gas in each channel, entering the testing stage after the evacuation is finished, and automatically switching to the next path after the testing is finished according to the set testing time. 4) Browsing historical alarm information. 5) Calibration: and (4) entering a calibration interface, controlling the electromagnetic valve control module 3 to be switched to a calibration gas channel by the PLC 2, then operating the oxygen analyzer 7 for calibration, exiting the interface after the calibration is finished, and returning to the cycle test.
The embodiments of the present invention have been described with reference to the accompanying drawings, but the present invention is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present invention, and these forms are within the scope of the present invention.
Claims (9)
1. A multi-channel oxygen analysis device, characterized in that: including touch display screen (1), PLC controller (2), solenoid valve control module group (3), filter (4), air pump (5), flowmeter (6) and oxygen depiler (7), touch display screen (1) is connected in PLC controller (2) through the circuit electricity, PLC controller (2) are connected in solenoid valve control module group (3) through the circuit electricity, the inlet end of solenoid valve control module group (3) is connected with multichannel sampling channel through the trachea, the end of giving vent to anger of solenoid valve control module group (3) is connected in the inlet end of filter (4) through the trachea, the end of giving vent to anger of filter (4) is connected in the inlet end of air pump (5) through the trachea, the first end of giving vent to anger of air pump (5) is connected in the inlet end of flowmeter (6) through the trachea, the end of giving vent to anger of flowmeter (6) is connected in oxygen depiler (7) through the trachea, oxygen depiler (7) are connected in touch display screen (1) through the circuit electricity.
2. A multichannel oxygen analyzing apparatus as claimed in claim 1, wherein: the air pump further comprises a pressure limiting valve (8), the second air outlet end of the air pump (5) is connected to the air inlet end of the pressure limiting valve (8) through an air pipe, and the air outlet end of the pressure limiting valve (8) is connected with an exhaust pipeline.
3. A multi-channel oxygen analyzing apparatus according to claim 2, characterized in that: still include carbon dioxide measurement module (9), the inlet end of carbon dioxide measurement module (9) passes through the trachea and connects in exhaust duct, the end of giving vent to anger of carbon dioxide measurement module (9) passes through the trachea and connects in oxygen minute board appearance (7).
4. A multi-channel oxygen analyzing apparatus according to claim 2, characterized in that: the PLC controller (2) comprises a relay control module.
5. A multi-channel oxygen analyzing apparatus as claimed in claim 1, wherein: a zirconium oxide sensor is arranged in the oxygen plate separating instrument (7).
6. A multi-channel oxygen analyzing apparatus as claimed in claim 1, wherein: the filtration specification of the filter (4) is less than or equal to 0.1um, and 20 filter elements are arranged.
7. A multi-channel oxygen analyzing apparatus as claimed in claim 1, wherein: the air pump (5) comprises an air pump.
8. A multi-channel oxygen analyzing apparatus as claimed in claim 1, wherein: the electromagnetic valve control module (3) can be externally connected with 10 sampling channels.
9. A multi-channel oxygen analyzing apparatus as claimed in claim 1, wherein: the line is a modbus bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222561601.2U CN218470616U (en) | 2022-09-27 | 2022-09-27 | Multi-channel oxygen analysis device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222561601.2U CN218470616U (en) | 2022-09-27 | 2022-09-27 | Multi-channel oxygen analysis device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218470616U true CN218470616U (en) | 2023-02-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222561601.2U Active CN218470616U (en) | 2022-09-27 | 2022-09-27 | Multi-channel oxygen analysis device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218470616U (en) |
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2022
- 2022-09-27 CN CN202222561601.2U patent/CN218470616U/en active Active
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