CN218332315U - Air monitoring system - Google Patents
Air monitoring system Download PDFInfo
- Publication number
- CN218332315U CN218332315U CN202222520490.0U CN202222520490U CN218332315U CN 218332315 U CN218332315 U CN 218332315U CN 202222520490 U CN202222520490 U CN 202222520490U CN 218332315 U CN218332315 U CN 218332315U
- Authority
- CN
- China
- Prior art keywords
- air
- controller
- wind direction
- nitrogen
- hydrocarbon content
- 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.)
- Active
Links
Images
Landscapes
- Separation By Low-Temperature Treatments (AREA)
Abstract
An embodiment of the utility model provides an air monitoring system, include: the device comprises a detection assembly, a monitor, a controller and a nitrogen making device, wherein the detection assembly and the monitor are respectively electrically connected with the controller which is electrically connected with the nitrogen making device; the nitrogen making device comprises at least two air inlets and at least two control switches for controlling the opening of the air inlets, the at least two air inlets are matched with the at least two air inlet switches one by one, and the controller is used for controlling the at least two control switches; the detection assembly comprises at least two wind direction sensors which are respectively and electrically connected with the controller; the monitor comprises at least two total hydrocarbon content monitors, and the total hydrocarbon content monitors are respectively electrically connected with the controller. The embodiment of the utility model provides a through setting up two at least air intakes and two at least total hydrocarbon content monitoring appearance that correspond, can detect the inhaled air of system nitrogen device in advance, when the inhaled air is not conform to the requirement, reduce the inhaled air to the qualification rate of making nitrogen gas has been guaranteed.
Description
Technical Field
The utility model relates to a chemical industry technique especially relates to an air monitoring system.
Background
With the development of polysilicon technology, the demand for nitrogen gas is also increasing. At present, nitrogen is generally prepared by a production process flow of preparing qualified nitrogen by taking air as a raw material and finally producing the qualified nitrogen through layer-by-layer separation and purification. However, in the actual production process, carbon-containing substances such as carbon dioxide and carbon monoxide in the air greatly affect the working efficiency of the nitrogen production process purifier and the fractionating tower, so that when the carbon content (generally expressed in the form of total hydrocarbons) in the air is too high, the yield of the produced nitrogen is low.
Disclosure of Invention
The embodiment of the utility model provides a pair of air monitoring system has solved the lower problem of nitrogen gas qualification rate when the carbon content in the air is too high among the prior art.
An embodiment of the utility model provides an air monitoring system, include:
the device comprises a detection assembly, a monitor, a controller and a nitrogen generating device, wherein the detection assembly and the monitor are respectively electrically connected with the controller which is electrically connected with the nitrogen generating device;
the nitrogen making device comprises at least two air inlets and at least two control switches for controlling the opening of the air inlets, the at least two air inlets are matched with the at least two air inlet switches one by one, and the controller is used for controlling the at least two control switches;
the detection assembly comprises at least two wind direction sensors, the at least two wind direction sensors are respectively and electrically connected with the controller, and the at least two wind direction sensors are used for monitoring the wind direction and the wind speed of air to be detected;
the monitor comprises at least two total hydrocarbon content monitors, the total hydrocarbon content monitors are respectively electrically connected with the controller, and the total hydrocarbon content monitors are used for monitoring the hydrocarbon content value of the air to be detected.
Optionally, the detection assembly further includes a coaxial code wheel, the plurality of wind direction sensors are electrically connected to the controller through the coaxial code wheel, and the coaxial code wheel is configured to send the wind direction information to the controller.
Optionally, the at least two wind direction sensors are in one-to-one correspondence with the at least two total hydrocarbon content monitors, and the at least two wind direction sensors are arranged at intervals around the nitrogen generating device.
Optionally, the at least two total hydrocarbon content monitors correspond to the at least two wind direction sensors one to one, and the at least two total hydrocarbon content monitors are arranged around the nitrogen generating device at intervals.
Optionally, the distance between the monitor and the nitrogen generating device is a first distance;
and under the condition that the wind speed of the air to be detected is monitored to be a first wind speed by the detection assembly, the controller is further used for calculating the time of the air to be detected reaching the nitrogen generating device according to the first distance and the first wind speed.
Optionally, the monitoring component is further configured to generate wind direction information based on the wind direction and the wind speed, the monitor is further configured to generate numerical information based on the numerical value of the hydrocarbon content, the controller is further configured to generate control information according to the wind direction information and the numerical information when the numerical information exceeds a preset threshold, and the control information is used to control the at least two control switches to reduce the opening degree.
Optionally, under the condition that the numerical information exceeds a preset threshold, the controller is further configured to generate the control information according to the wind direction of the air to be detected and the time for the air to be detected to reach the nitrogen generating device.
Optionally, when the value of the hydrocarbon content of the air to be measured exceeds a preset threshold, the value of the hydrocarbon content of the air to be measured is inversely proportional to the volume of the nitrogen generator absorbing the air to be measured;
the higher the numerical value of the hydrocarbon content of the air to be detected exceeds the preset threshold value, the smaller the volume of the air to be detected absorbed by the nitrogen making device is.
Optionally, the controller is a manufacturing execution system MES.
Optionally, the preset threshold is 4ppm.
The embodiment of the utility model provides a nitrogen making system, include: the device comprises a detection assembly, a monitor, a controller and a nitrogen generating device, wherein the detection assembly and the monitor are respectively electrically connected with the controller, and the controller is electrically connected with the nitrogen generating device; the nitrogen making device comprises at least two air inlets and at least two control switches for controlling the opening degree of the air inlets, the at least two air inlets are matched with the at least two air inlet switches one by one, and the controller is used for controlling the at least two control switches; the detection assembly comprises at least two wind direction sensors, the at least two wind direction sensors are respectively and electrically connected with the controller, and the at least two wind direction sensors are used for monitoring the wind direction and the wind speed of air to be detected; the monitor comprises at least two total hydrocarbon content monitors, the total hydrocarbon content monitors are respectively electrically connected with the controller, and the total hydrocarbon content monitors are used for monitoring the hydrocarbon content value of the air to be detected. The embodiment of the utility model provides a through setting up two at least air intakes and two at least total hydrocarbon content monitoring appearance that correspond, can detect the inhaled air of system nitrogen device in advance, when the inhaled air is not conform to the requirement, reduce the inhaled air to the qualification rate of making nitrogen gas has been guaranteed.
Drawings
Fig. 1 is a schematic structural diagram of a nitrogen production system according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Before discussing exemplary embodiments in greater detail, it should be noted that some exemplary embodiments are described as processes or methods depicted as flowcharts. Although a flowchart may describe the steps as a sequential process, many of the steps can be performed in parallel, concurrently or simultaneously. In addition, the order of the steps may be rearranged. A process may be terminated when its operations are completed, but may have additional steps not included in the figure. A process may correspond to a method, a function, a procedure, a subroutine, a subprogram, etc.
Furthermore, the terms "first," "second," and the like may be used herein to describe various orientations, actions, steps, elements, or the like, but the orientations, actions, steps, or elements are not limited by these terms. These terms are only used to distinguish one direction, action, step or element from another direction, action, step or element. For example, the first speed difference value may be referred to as a second speed difference value, and similarly, the second speed difference value may be referred to as a first speed difference value, without departing from the scope of the present application. The first speed difference and the second speed difference are both speed differences, but they are not the same speed difference. The terms "first", "second", etc. should not be construed to indicate or imply relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a nitrogen production system provided by an embodiment of the present invention, the present invention provides a nitrogen production system, including:
the device comprises a detection assembly 100, a monitor 200, a controller 300 and a nitrogen generating device 400, wherein the detection assembly 100 and the monitor 200 are respectively electrically connected with the controller 300, and the controller 300 is electrically connected with the nitrogen generating device 400;
the nitrogen making device 400 comprises at least two air inlets and at least two control switches for controlling the opening of the air inlets, the at least two air inlets are matched with the at least two air inlet switches one by one, and the controller 300 is used for controlling the at least two control switches;
the detection assembly 100 comprises at least two wind direction sensors, the at least two wind direction sensors are respectively electrically connected with the controller 300, and the at least two wind direction sensors are used for monitoring the wind direction and the wind speed of the air to be detected;
the monitor 200 comprises at least two total hydrocarbon content monitors, the total hydrocarbon content monitors are respectively electrically connected with the controller 300, and the total hydrocarbon content monitors are used for monitoring the value of the hydrocarbon content of the air to be detected.
In this embodiment, the nitrogen generator 400 includes at least two air inlets and at least two control switches for controlling the openings of the air inlets, wherein the air inlets are used for absorbing air as a raw material, and the nitrogen is prepared through a production process flow of finally producing qualified nitrogen through layer-by-layer separation and purification. The control switch can control the increase or decrease of the air absorption amount according to the situation.
The wind direction sensor is a physical device which detects and senses external wind direction information by the rotation of a wind direction arrow, transmits the wind direction information to the coaxial code disc and outputs a relevant numerical value corresponding to the wind direction. The wind direction sensor can measure the near-earth wind direction in the outdoor environment and can be divided into a photoelectric type, a voltage type, luo Panshi and the like according to the working principle. By providing wind direction sensors in a plurality of directions of the nitrogen generator 400, incoming wind and wind speed in different directions can be detected.
The total hydrocarbon content monitor is capable of detecting the carbon content of the air, which, once too high (typically in the form of total hydrocarbons), may result in an unacceptable nitrogen product from my plant air separation.
By adding the wind vane and the total hydrocarbon content monitor on the periphery of the plant area, the carbon component content in the peripheral air and the direction influencing the exceeding of the carbon content in the air are predicted in advance, so that a user can be guided to trace the source of emission in numerous plants on the periphery, and a scheme for controlling the external discharge capacity is formulated.
The embodiment of the utility model provides a nitrogen system, include: the device comprises a detection assembly, a monitor, a controller and a nitrogen generating device, wherein the detection assembly and the monitor are respectively electrically connected with the controller which is electrically connected with the nitrogen generating device; the nitrogen making device comprises at least two air inlets and at least two control switches for controlling the opening degree of the air inlets, the at least two air inlets are matched with the at least two air inlet switches one by one, and the controller is used for controlling the at least two control switches; the detection assembly comprises at least two wind direction sensors, the at least two wind direction sensors are respectively and electrically connected with the controller, and the at least two wind direction sensors are used for monitoring the wind direction and the wind speed of air to be detected; the monitor comprises at least two total hydrocarbon content monitors, the total hydrocarbon content monitors are respectively electrically connected with the controller, and the total hydrocarbon content monitors are used for monitoring the hydrocarbon content value of the air to be detected. The embodiment of the utility model provides a through setting up two at least air intakes and two at least total hydrocarbon content monitoring appearance that correspond, can detect the inhaled air of system nitrogen device in advance, when the inhaled air is not conform to the requirement, reduce the inhaled air to the qualification rate of making nitrogen gas has been guaranteed.
Optionally, the detecting assembly 100 further includes a coaxial encoder, the plurality of wind direction sensors are electrically connected to the controller 300 through the coaxial encoder, and the coaxial encoder is configured to send the wind direction information to the controller 300.
In this embodiment, the wind direction sensor is a physical device that detects and senses external wind direction information by rotation of a wind direction arrow, transmits the wind direction information to a coaxial code wheel, and outputs a value related to a corresponding wind direction, wherein the coaxial code wheel plays a role of transmitting the wind direction information, and transmits the wind direction information to the controller 300 for analysis, thereby determining a wind direction.
Optionally, the at least two wind direction sensors are in one-to-one correspondence with the at least two total hydrocarbon content monitors, and the at least two wind direction sensors are arranged at intervals around the nitrogen generating device 400.
Optionally, the at least two total hydrocarbon content monitors correspond to the at least two wind direction sensors one to one, and the at least two total hydrocarbon content monitors are arranged around the nitrogen production device 400 at intervals.
In this embodiment, the at least two wind direction sensors and the at least two total hydrocarbon content monitors are illustrated by taking 8 as an example, and the nitrogen production device 400 is used as a center, and one wind direction sensor is respectively arranged in eight directions, namely east, west, south, north, east, south, west and south, so as to detect the wind direction information from the outside by the rotation of the wind direction arrow, transmit the wind direction information to the coaxial code disc, output the relevant value of the corresponding wind direction, and transmit the relevant information to the controller 300. The nitrogen making device 400 is used as a center, a total hydrocarbon content monitor is respectively arranged in eight directions of east, west, south, north, east, south, west, north, west and south, the numerical value of the hydrocarbon content is monitored in real time, and the numerical value is sent to the controller 300.
Optionally, the distance between the monitor 200 and the nitrogen generating device 400 is a first distance;
when the detecting component 100 monitors that the wind speed of the air to be detected is a first wind speed, the controller 300 is further configured to calculate the time for the air to be detected to reach the nitrogen generating device 400 according to the first distance and the first wind speed.
In this embodiment, the distance between the monitor 200 and the nitrogen generator 400 is the first distance, and when the wind speed is obtained, the time when the wind direction reaches the nitrogen generator 400 can be calculated, so that the air inlet of the nitrogen generator 400 can be adjusted by the time, and the suction of unqualified air is avoided.
Optionally, the monitoring component is further configured to generate wind direction information based on the wind direction and the wind speed, the monitor 200 is further configured to generate numerical information based on the numerical value of the hydrocarbon content, and the controller 300 is further configured to generate control information according to the wind direction information and the numerical information when the numerical information exceeds a preset threshold, where the control information is used to control the at least two control switches to decrease the opening degree.
Optionally, when the numerical information exceeds a preset threshold, the controller 300 is further configured to generate the control information according to the wind direction of the air to be measured and the time for the air to be measured to reach the nitrogen generating device 400.
Optionally, when the value of the hydrocarbon content of the air to be measured exceeds a preset threshold, the value of the hydrocarbon content of the air to be measured is inversely proportional to the volume of the nitrogen generator 400 absorbing the air to be measured;
the higher the value of the hydrocarbon content of the air to be measured exceeds the preset threshold, the smaller the volume of the air to be measured absorbed by the nitrogen generator 400.
In this embodiment, the monitoring component is further configured to generate wind direction information based on the wind direction and the wind speed, the monitor 200 is further configured to generate numerical information based on the value of the hydrocarbon content, and the controller 300 is further configured to generate control information according to the wind direction information and the numerical information if the numerical information exceeds a preset threshold, and the alarm information is configured to control the at least two control switches to reduce the opening degree, specifically, to reduce the absorption amount of the air inlet when the hydrocarbon content in the air exceeds the standard.
It should be noted that the staff can be reminded by the time when the air reaches the nitrogen making device 400, and the staff can operate the suction opening in the time, so as to improve the qualified rate of the nitrogen. Specifically, in the case that the value of the hydrocarbon content of the air to be measured exceeds a preset threshold, the value of the hydrocarbon content of the air to be measured is inversely proportional to the volume of the nitrogen generator 400 absorbing the air to be measured;
the higher the value of the hydrocarbon content of the air to be measured exceeds the preset threshold, the smaller the volume of the air to be measured absorbed by the nitrogen generator 400.
Optionally, the controller 300 is a manufacturing execution system MES.
In this embodiment, the MES system is a production information management system facing to the execution layer of the manufacturing enterprise workshop. The MES can provide management modules for enterprises, such as manufacturing data management, planning and scheduling management, production scheduling management, inventory management, quality management, human resource management, work center/equipment management, tool and tool management, purchasing management, cost management, project bulletin board management, production process control, bottom layer data integration analysis, upper layer data integration decomposition and the like, and creates a solid, reliable, comprehensive and feasible manufacturing cooperative management platform for the enterprises.
Optionally, the preset threshold is 4ppm.
Optionally, when the numerical information exceeds a preset threshold, the controller 300 is further configured to generate the control information according to the wind direction of the air to be measured and the time for the air to be measured to reach the nitrogen generating device 400.
In the embodiment, a pre-alarm value of more than or equal to 4ppm is set for a total hydrocarbon content detector, when implementation data of the total hydrocarbon content detector exceeds the alarm value, the wind direction which possibly causes the carbon content in the air to exceed the standard is judged by synchronously combining information of a wind vane, when the pre-alarm information is received by a workshop, workers feed back the pre-alarm information to relevant departments of a company step by step, the relevant departments contact a factory which possibly generates the transmission direction of the alarm information, and specific objects are judged by screening, so that the continuous increase of the carbon content in the air is avoided, and the influence on the air suction quality of an air compressor inlet in an air separation nitrogen making system is avoided.
The embodiment of the utility model provides a nitrogen system, include: the device comprises a detection assembly, a monitor, a controller and a nitrogen generating device, wherein the detection assembly and the monitor are respectively electrically connected with the controller which is electrically connected with the nitrogen generating device; the nitrogen making device comprises at least two air inlets and at least two control switches for controlling the opening degree of the air inlets, the at least two air inlets are matched with the at least two air inlet switches one by one, and the controller is used for controlling the at least two control switches; the detection assembly comprises at least two wind direction sensors, the at least two wind direction sensors are respectively and electrically connected with the controller, and the at least two wind direction sensors are used for monitoring the wind direction and the wind speed of air to be detected; the monitor comprises at least two total hydrocarbon content monitors, the total hydrocarbon content monitors are respectively electrically connected with the controller, and the total hydrocarbon content monitors are used for monitoring the numerical value of the hydrocarbon content of the air to be detected. The embodiment of the utility model provides a through setting up two at least air intakes and two at least total hydrocarbon content monitoring appearance that correspond, can detect the inhaled air of system nitrogen device in advance, when the inhaled air is not conform to the requirement, reduce the inhaled air to the qualification rate of making nitrogen gas has been guaranteed.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (10)
1. An air monitoring system, comprising:
the device comprises a detection assembly, a monitor, a controller and a nitrogen generating device, wherein the detection assembly and the monitor are respectively electrically connected with the controller, and the controller is electrically connected with the nitrogen generating device;
the nitrogen making device comprises at least two air inlets and at least two control switches for controlling the opening of the air inlets, the at least two air inlets are matched with the at least two air inlet switches one by one, and the controller is used for controlling the at least two control switches;
the detection assembly comprises at least two wind direction sensors which are respectively and electrically connected with the controller, and the at least two wind direction sensors are used for monitoring the wind direction and the wind speed of air to be detected;
the monitor comprises at least two total hydrocarbon content monitors, the total hydrocarbon content monitors are respectively electrically connected with the controller, and the total hydrocarbon content monitors are used for monitoring the hydrocarbon content value of the air to be detected.
2. The system of claim 1, wherein the detection assembly further comprises a coaxial code wheel, the plurality of wind direction sensors being electrically connected to the controller through the coaxial code wheel, respectively, the coaxial code wheel being configured to transmit wind direction information to the controller.
3. The system of claim 2, wherein the at least two wind direction sensors are in one-to-one correspondence with the at least two total hydrocarbon content monitors, the at least two wind direction sensors being spaced around the nitrogen plant.
4. The system of claim 3, wherein the at least two total hydrocarbon content monitors are in one-to-one correspondence with the at least two wind direction sensors, the at least two total hydrocarbon content monitors being spaced around the nitrogen-generating means.
5. The system of claim 1, wherein the distance between the monitor and the nitrogen-generating device is a first distance;
and under the condition that the wind speed of the air to be detected is monitored to be a first wind speed by the detection assembly, the controller is further used for calculating the time of the air to be detected reaching the nitrogen generating device according to the first distance and the first wind speed.
6. The system of claim 5, wherein the detection assembly is further configured to generate wind direction information based on the wind direction and the wind speed, the monitor is further configured to generate numerical information based on the numerical value of the hydrocarbon content, and the controller is further configured to generate control information based on the wind direction information and the numerical information, the control information being configured to control the at least two control switches to decrease the opening degree if the numerical information exceeds a preset threshold value.
7. The system of claim 6, wherein the controller is further configured to generate the control information based on a wind direction of the air to be measured and a time of arrival of the air to be measured at the nitrogen generator in the case that the numerical information exceeds a preset threshold.
8. The system of claim 7, wherein the value of the hydrocarbon content of the air under test is inversely proportional to the volume of the nitrogen generator absorbing the air under test in the event that the value of the hydrocarbon content of the air under test exceeds a preset threshold;
the higher the numerical value of the hydrocarbon content of the air to be detected exceeds the preset threshold value, the smaller the volume of the air to be detected absorbed by the nitrogen making device is.
9. The system of claim 1, wherein the controller is a Manufacturing Execution System (MES).
10. The system of claim 7, wherein the predetermined threshold is 4ppm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222520490.0U CN218332315U (en) | 2022-09-22 | 2022-09-22 | Air monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222520490.0U CN218332315U (en) | 2022-09-22 | 2022-09-22 | Air monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218332315U true CN218332315U (en) | 2023-01-17 |
Family
ID=84838848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222520490.0U Active CN218332315U (en) | 2022-09-22 | 2022-09-22 | Air monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218332315U (en) |
-
2022
- 2022-09-22 CN CN202222520490.0U patent/CN218332315U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104345020A (en) | Dust detection alarm system | |
| JP2021515237A (en) | Wireless exposure monitor | |
| CN205692017U (en) | Electric integrated monitoring system | |
| CN115640915B (en) | Intelligent gas pipe network compressor safety management method and Internet of things system | |
| CN116843174A (en) | Building engineering construction safety supervision system based on data analysis | |
| JP2014167765A (en) | Operation state monitoring device for center graph base facility and method thereof | |
| CN102621970A (en) | Urban industrial gas safety intelligent monitoring system based on Internet of Things and urban industrial gas safety intelligent monitoring method | |
| CN205785320U (en) | A kind of green construction real-time monitoring system | |
| CN103325205A (en) | Indoor fire prediction method based on radial basis function neural network and system thereof | |
| CN218332315U (en) | Air monitoring system | |
| CN113643515A (en) | Combustible dust automatic identification judges and alarm system | |
| Mir et al. | Sensing harmful gases in industries using IoT and WSN | |
| CN107860426A (en) | Environmental monitoring system and method | |
| CN111002328A (en) | Wheeled robot checking system and method | |
| CN110208028A (en) | The online fault detection method of concrete production equipment and system based on dust concentration | |
| CN113406281A (en) | Harmful gas monitoring system based on LORA communication | |
| CN105676175B (en) | The monitoring positioning of the high disaster tolerance degree in underground and personnel's help system | |
| CN210072385U (en) | Gas alarm controller with communication function | |
| CN210293276U (en) | Unmanned aerial vehicle-based substation operation environment monitoring system | |
| CN116163810A (en) | Coal mine environment safety monitoring system and method | |
| CN110665859A (en) | Automatic sorting system is used in ball round pin production | |
| Gajbhiye et al. | A survey on weather monitoring system in agriculture zone using Zigbee | |
| CN109194737A (en) | A kind of Architectural Engineering Environment monitoring system | |
| KR102051289B1 (en) | Efficiency-Utility Monitoring System of Automation Equipment | |
| CN1086493C (en) | Intelligent composite multiple-sensor fire detector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |