CN211913376U - Intelligent gas distribution system and intelligent gas distribution device - Google Patents
Intelligent gas distribution system and intelligent gas distribution device Download PDFInfo
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- CN211913376U CN211913376U CN201922452267.5U CN201922452267U CN211913376U CN 211913376 U CN211913376 U CN 211913376U CN 201922452267 U CN201922452267 U CN 201922452267U CN 211913376 U CN211913376 U CN 211913376U
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Abstract
The utility model provides an intelligence gas distribution system and intelligent distributing device. An intelligent gas distribution system comprising: gaseous valve timing mechanism, gaseous valve timing mechanism includes: a mixing line; the standard gas input pipeline is communicated with the mixing pipeline and is provided with a first mass flow controller and a first measuring unit; the diluent gas input pipeline is communicated with the mixing pipeline, and a second mass flow controller and a second measuring unit are arranged on the diluent gas input pipeline; the main controller is respectively electrically connected with the first mass flow controller, the first measuring unit, the second mass flow controller and the second measuring unit; and the remote monitoring unit is electrically connected with the main controller in a bidirectional way. The utility model provides an intelligence gas distribution system has improved gas distribution system's degree of automation, has further improved staff's work efficiency, has guaranteed distribution in-process staff's security.
Description
Technical Field
The utility model relates to a gaseous detecting instrument technical field, in particular to intelligence gas distribution system and intelligent gas distribution device.
Background
The intelligent gas distribution system is widely applied to manufacturers and detection mechanisms of various gas analysis instruments, and provides necessary conditions for calibration and calibration of test instruments.
In the existing intelligent gas distribution system, when gas is distributed, firstly, gas distribution parameters of standard gas and diluent gas are set through a touch screen, according to the gas distribution parameters of the standard gas and the diluent gas, a standard gas mass flow controller controls the flow of the standard gas, a diluent gas mass flow controller controls the flow of the diluent gas, and the standard gas and the diluent gas are mixed to prepare the gas with the target concentration.
However, in the existing intelligent gas distribution system, in the gas distribution process, a worker is required to be always on site to supervise, the working efficiency is low, and meanwhile, because some standard gases are harmful gases, when the gas tightness of a gas circuit is not high or a steel cylinder valve filled with the standard gases is loosened, the harmful gases are easily leaked, and potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
For the low and low technical problem of field operation security of gas distribution system degree of automation among the solution prior art, the utility model provides an intelligence gas distribution system through remote control and the gaseous valve actuating mechanism of control, can improve gas distribution system's degree of automation, has further improved staff's work efficiency, has guaranteed the security of staff in the gas distribution process.
The utility model provides an intelligence gas distribution system, include:
a gas distribution mechanism, the gas distribution mechanism comprising:
a mixing line;
the standard gas input pipeline is communicated with the mixing pipeline, and a first mass flow controller and a first measuring unit are arranged on the standard gas input pipeline;
the diluent gas input pipeline is communicated with the mixing pipeline, and a second mass flow controller and a second measuring unit are arranged on the diluent gas input pipeline;
the main controller is electrically connected with the first mass flow controller, the main controller is electrically connected with the first measuring unit, the main controller is electrically connected with the second mass flow controller, and the main controller is electrically connected with the second measuring unit;
and the remote monitoring unit is electrically connected with the main controller in a bidirectional way.
Further, the remote monitoring unit includes:
a remote monitoring terminal;
and the remote monitoring terminal is electrically connected with the main controller in a bidirectional way through the wireless communication module.
Further, still include:
the alarm unit is electrically connected with the main controller;
the alarm unit is used for alarming and prompting a worker when the gas distribution mechanism fails.
Furthermore, the standard gas input pipelines are multiple;
many the standard gas input pipeline all with the mixing line is linked together, many all be provided with first mass flow controller and first measuring unit on the standard gas input pipeline.
Further, the gas distribution mechanism further comprises:
the standard gas output pipeline is communicated with the mixing pipeline;
an evacuation line in communication with the mixing line.
Further, the mixing pipeline, the standard gas input pipeline, the diluent gas input pipeline, the standard gas output pipeline and the emptying pipeline are all made of polytetrafluoroethylene materials.
Furthermore, a first air inlet end is arranged on the standard gas input pipeline, and a first pressure reducing valve is arranged at the first air inlet end;
and a second air inlet end is arranged on the diluent gas input pipeline, and a second pressure reducing valve is arranged at the second air inlet end.
The utility model also provides an intelligence gas distribution device contains the aforesaid intelligence gas distribution system.
Further, still include:
the standard gas analyzer is communicated with the standard gas output pipeline;
and the gas chromatograph is communicated with the emptying pipeline.
The utility model discloses a technological effect or advantage:
the utility model provides an intelligent gas distribution system, which is provided with a remote monitoring unit, a first measuring unit is arranged on a standard gas input pipeline, and a second measuring unit is arranged on a diluent gas input pipeline; in the gas distribution process, gas distribution parameters are set remotely through a remote monitoring unit, a main controller adjusts the control quantity of a first mass flow controller and a second mass flow controller according to the gas distribution parameters, standard gas and diluent gas are mixed to prepare standard gas with target concentration, meanwhile, a first measuring unit measures the pressure value, the temperature value and the flow value in a standard gas input pipeline in real time, a second measuring unit measures the pressure value, the temperature value and the flow value in a diluent gas input pipeline in real time, and the pressure value, the temperature value and the flow value are sent to a wireless monitoring unit through the main controller to be stored in real time. The utility model discloses a through remote control and the gaseous valve actuating mechanism of control, can improve gas distribution system's degree of automation, further improved staff's work efficiency, guaranteed distribution in-process staff's security.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention.
Fig. 1 is a block diagram of an intelligent air distribution system provided in an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a gas distribution mechanism according to an embodiment of the present invention.
Description of the drawings: 1. a standard gas input pipeline; 11. a first mass flow controller; 12. a first pressure reducing valve; 2. a diluent gas input line; 21. a second mass flow meter; 22. a second pressure reducing valve; 3. a mixing line; 4. a standard gas output pipeline; 5. the line is evacuated.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be described in further detail with reference to the accompanying drawings and the detailed description. Although embodiments of the present invention have been disclosed in the accompanying drawings, it should be understood that the invention can be embodied in any form and should not be limited to the embodiments set forth herein.
In the description of the present invention, it is to be understood that the terms "inside", "outside", "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. The terms "first," "second," and the like, are used herein to describe various elements, components, regions, layers and/or sections, but are used only to distinguish one element, component, region, layer or section from another element, component, region, layer or section. Terms such as "first," "second," and the like, as well as other numerical terms, are not used herein to imply a sequence or order unless clearly indicated by the context.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the term "connected" is to be interpreted broadly, for example, as a fixed connection, a detachable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
For the low and low technical problem of field operation security of gas distribution system degree of automation among the solution prior art, the utility model provides an intelligence gas distribution system through remote control and the gaseous valve actuating mechanism of control, can improve gas distribution system's degree of automation, has further improved staff's work efficiency, has guaranteed the security of staff in the gas distribution process.
The technical solution of the present invention will be described in detail below with reference to the following specific embodiments and accompanying drawings.
This embodiment relates to an intelligence gas distribution system, includes:
a gas distribution mechanism, the gas distribution mechanism comprising:
a mixing line 3;
a standard gas input pipeline 1, wherein the standard gas input pipeline 1 is communicated with the mixing pipeline 3, and a first mass flow controller 11 and a first measuring unit (not shown in the figure) are arranged on the standard gas input pipeline 1;
a diluent gas input pipeline 2, wherein the diluent gas input pipeline 2 is communicated with the mixing pipeline 3, and a second mass flow controller 21 and a second measuring unit (not shown in the figure) are arranged on the diluent gas input pipeline;
the main controller is electrically connected with the first mass flow controller 11, the first measuring unit, the second mass flow controller 21 and the second measuring unit;
and the remote monitoring unit is electrically connected with the main controller in a bidirectional way.
The intelligent gas distribution system provided by the embodiment is provided with a remote monitoring unit, a first measuring unit is arranged on a standard gas input pipeline 1, and a second measuring unit is arranged on a diluent gas input pipeline 2; in the gas distribution process, gas distribution parameters are set remotely through a remote monitoring unit, a main controller adjusts the control quantity of a first mass flow controller 11 and a second mass flow controller 21 according to the gas distribution parameters, standard gas and diluent gas are mixed to prepare standard gas with target concentration, meanwhile, a first measuring unit measures the pressure value, the temperature value and the flow value in a standard gas input pipeline in real time, a second measuring unit measures the pressure value, the temperature value and the flow value in a diluent gas input pipeline in real time, and the pressure value, the temperature value and the flow value are sent to a wireless monitoring unit through the main controller to be stored in real time. The utility model discloses a through remote control and the gaseous valve actuating mechanism of control, can improve gas distribution system's degree of automation, further improved staff's work efficiency, guaranteed distribution in-process staff's security.
Specifically, referring to fig. 1, the intelligent air distribution system provided in this embodiment includes: the gas distribution mechanism is electrically connected with the main controller, the main controller is electrically connected with the remote monitoring unit in a two-way mode, and the main controller is further electrically connected with the alarm unit.
The gas distribution mechanism is used for mixing the standard gas and the diluent gas to prepare the diluent gas with target concentration. Referring to fig. 2, in particular, a gas distribution mechanism includes: a standard gas input pipeline 1, a diluent gas input pipeline 2 and a mixing pipeline 3. Standard gas input pipeline 1 is linked together with mixing pipeline 3, be provided with first mass flow controller 11 and first measuring unit on the standard gas input pipeline 1, first mass flow controller 11 includes the governing valve, first mass flow controller 11 passes through the standard gas flow of governing valve control through standard gas input pipeline 1, first measuring unit includes pressure sensor, temperature sensor and flowmeter, first measuring unit is arranged in the real-time pressure value of measuring in the standard gas input pipeline, temperature value and flow value. The standard gas input pipeline is many, and many standard gas input pipelines are linked together with the hybrid line, all is provided with first mass flow controller 11 and a measuring unit on many standard gas input pipelines, as preferred, and standard gas input pipeline 1 is 2 in this embodiment. In order to prevent gas from being mixed when the standard gas input pipeline 1 and the diluent gas input pipeline 2 are not used, a first gas inlet end is arranged on each of the standard gas input pipelines 1, a first pressure reducing valve 12 is arranged at each of the first gas inlet ends, a second gas inlet end is arranged on each of the diluent gas input pipelines 2, a second pressure reducing valve 22 is arranged at each of the second gas inlet ends, and the corresponding pressure reducing valves are closed when the standard gas input pipeline 1 and the diluent gas input pipeline 2 are not used. The gas distribution mechanism further comprises: the device comprises a standard gas output pipeline 4 and an emptying pipeline 5, wherein the standard gas output pipeline 4 is communicated with the mixing pipeline 3, and the emptying pipeline 5 is communicated with the mixing pipeline 3. Meanwhile, in order to prevent the input gas from corroding the pipeline, the mixing pipeline 3, the standard gas input pipeline 1, the diluent gas input pipeline 2, the standard gas output pipeline 4 and the emptying pipeline 5 are all made of polytetrafluoroethylene materials.
The main controller is adapted to receive the pressure value, the temperature value and the flow value to adjust the control amounts of the first mass flow controller 11 and the second mass flow controller 21. Referring to fig. 1, specifically, the main controller is electrically connected to the first mass flow controller 11, the main controller is electrically connected to the second mass flow controller 21, and the main controller is further electrically connected to the first measurement unit. More specifically, the main controller is electrically connected to the pressure sensor, the temperature sensor and the flow meter in the first measurement unit, respectively, and the main controller is also electrically connected to the second measurement unit, more specifically, the main controller is electrically connected to the pressure sensor, the temperature sensor and the flow meter in the second measurement unit, respectively.
The remote monitoring unit is used for remotely setting gas distribution parameters and acquiring and storing a pressure value, a temperature value and a flow value through the main controller. Referring to fig. 1, the remote monitoring unit includes a remote monitoring terminal and a wireless communication module, and the remote monitoring terminal is electrically connected to the main controller in a bidirectional manner through the wireless communication module. More specifically, the remote monitoring terminal may be a mobile phone, a tablet computer or a notebook computer, and the wireless communication module may be a bluetooth module, a WIFI module or an ethernet module.
The alarm unit is used for alarming and prompting working personnel when the gas distribution mechanism is in failure. Referring to fig. 1, the alarm unit may be a buzzer or an indicator lamp, in particular. When the difference value between the flow value received by the main controller and the remotely set flow value is larger than the preset threshold value, the alarm unit gives an alarm to prompt a worker, and the worker checks whether the gas distribution mechanism has a fault.
The intelligent gas distribution system provided by the embodiment has the following specific working procedures: during gas distribution, a remote monitoring terminal sets gas distribution parameters, the gas distribution parameters are remotely sent to a main controller through a wireless communication module, the main controller calculates control quantities of a first mass flow controller 11 and a second mass flow controller 21 according to the gas distribution parameters, the first mass flow controller 11 controls the opening amplitude of a regulating valve in the first mass flow controller 11 according to the control quantities, the second mass flow controller 21 controls the opening amplitude of a regulating valve in the second mass flow controller 21 according to the control quantities, a first measuring unit measures a pressure value, a temperature value and a flow value in a standard gas input pipeline 1 in real time and sends the pressure value, the temperature value and the flow value to the main controller, a second measuring unit measures a pressure value, a temperature value and a flow value in a diluent gas input pipeline 2 in real time and sends the pressure value, the temperature value and the flow value to the main controller, the main controller remotely transmits the pressure value, the temperature value and the flow value in the standard gas input pipeline 1 and the diluent gas input pipeline 2 to a remote terminal through a wireless communication module in real time, workers can monitor the field working condition in real time through the remote terminal, meanwhile, the main controller compares the flow value transmitted by the first measuring unit and the second measuring unit with the flow value calculated by the main controller according to the gas distribution parameters, gas flow in the standard gas input pipeline 1 and the diluent gas input pipeline 2 is automatically compensated and input according to the comparison calculation result, when the difference value between the flow value received by the main controller and the remotely set flow value is larger than a preset threshold value, the alarm unit alarms and prompts the workers at the moment, and the workers check whether a gas distribution mechanism is in fault or not.
The embodiment also provides an intelligent air distribution device, which comprises the intelligent air distribution system. The intelligent gas distribution system further comprises: the device comprises a standard gas analyzer and a gas chromatograph, wherein the standard gas analyzer is communicated with a standard gas output pipeline 4, and the gas chromatograph is communicated with an emptying pipeline 5.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (9)
1. An intelligent gas distribution system, comprising:
a gas distribution mechanism, the gas distribution mechanism comprising:
a mixing line;
the standard gas input pipeline is communicated with the mixing pipeline, and a first mass flow controller and a first measuring unit are arranged on the standard gas input pipeline;
the diluent gas input pipeline is communicated with the mixing pipeline, and a second mass flow controller and a second measuring unit are arranged on the diluent gas input pipeline;
the main controller is electrically connected with the first mass flow controller, the main controller is electrically connected with the first measuring unit, the main controller is electrically connected with the second mass flow controller, and the main controller is electrically connected with the second measuring unit;
and the remote monitoring unit is electrically connected with the main controller in a bidirectional way.
2. The intelligent gas distribution system of claim 1, wherein the remote monitoring unit comprises:
a remote monitoring terminal;
and the remote monitoring terminal is electrically connected with the main controller in a bidirectional way through the wireless communication module.
3. The intelligent air distribution system of claim 1, further comprising:
the alarm unit is electrically connected with the main controller;
the alarm unit is used for alarming and prompting a worker when the gas distribution mechanism fails.
4. The intelligent gas distribution system of claim 1, wherein the standard gas input line is multiple;
many the standard gas input pipeline all with the mixing line is linked together, many all be provided with first mass flow controller and first measuring unit on the standard gas input pipeline.
5. The intelligent gas distribution system of any one of claims 1 to 4, wherein the gas distribution mechanism further comprises:
the standard gas output pipeline is communicated with the mixing pipeline;
an evacuation line in communication with the mixing line.
6. The intelligent gas distribution system of claim 5, wherein the mixing line, the standard gas input line, the diluent gas input line, the standard gas output line, and the evacuation line are all polytetrafluoroethylene materials.
7. The intelligent gas distribution system of claim 1, wherein the standard gas input pipeline is provided with a first gas inlet end, and the first gas inlet end is provided with a first pressure reducing valve;
and a second air inlet end is arranged on the diluent gas input pipeline, and a second pressure reducing valve is arranged at the second air inlet end.
8. An intelligent air distribution device, characterized by comprising the intelligent air distribution system according to any one of claims 1-7.
9. The intelligent air distribution device of claim 8, further comprising:
the standard gas analyzer is communicated with the standard gas output pipeline;
and the gas chromatograph is communicated with the emptying pipeline.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922452267.5U CN211913376U (en) | 2019-12-30 | 2019-12-30 | Intelligent gas distribution system and intelligent gas distribution device |
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| CN201922452267.5U CN211913376U (en) | 2019-12-30 | 2019-12-30 | Intelligent gas distribution system and intelligent gas distribution device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113351120A (en) * | 2021-06-08 | 2021-09-07 | 哈尔滨工业大学 | Gas mixing system and mixing method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113351120A (en) * | 2021-06-08 | 2021-09-07 | 哈尔滨工业大学 | Gas mixing system and mixing method |
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