CN210739968U - Portable LNG gas cylinder tester - Google Patents
Portable LNG gas cylinder tester Download PDFInfo
- Publication number
- CN210739968U CN210739968U CN201921549777.8U CN201921549777U CN210739968U CN 210739968 U CN210739968 U CN 210739968U CN 201921549777 U CN201921549777 U CN 201921549777U CN 210739968 U CN210739968 U CN 210739968U
- Authority
- CN
- China
- Prior art keywords
- controller
- gas cylinder
- temperature sensor
- circuit board
- integrated circuit
- 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
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The utility model relates to a gas cylinder detection area discloses a portable LNG gas cylinder tester, including controller, level sensor, temperature sensor, mass flow meter and vacuum degree meter, the controller includes the box, and the box is provided with integrated circuit board, display screen and power supply, and level sensor, temperature sensor, mass flow meter, vacuum degree meter and display screen all are connected with the integrated circuit board communication. The utility model collects the pressure, temperature, liquid level, flow and the like in the gas cylinder in real time through the liquid level sensor, the temperature sensor vacuum gauge and the mass flow meter, and verifies the data of the gas cylinder pressure gauge through the vacuum gauge, uploads the detection data to the controller, and monitors and displays various data of the gas cylinder in real time through the display screen; the transmission format of the acquired data can be customized according to the requirements of users, and can be remotely transmitted to a designated platform through the wireless communication module, so that the remote monitoring is facilitated.
Description
Technical Field
The utility model relates to a gas cylinder detection area, concretely relates to portable LNG gas cylinder tester.
Background
A gas cylinder is a pressure vessel for containing a gas or liquid under pressure. Because the gas cylinder needs to contain compressed gas and the internal pressure of the gas cylinder is high, the quality of the composite gas cylinder needs to be detected so as to avoid safety accidents caused by defects possibly existing in the body of the gas cylinder.
The gas cylinder belongs to special pressure vessel, and in the use, the national regulation needs to carry out the check-up detection every 3 years, and every gas cylinder check-up detection all needs to pass through many processes such as cylinder valve of tearing open, washing, pressure testing, stoving, evacuation, finally guarantees that the gas cylinder accords with the requirement of reuse, and can prevent secondary pollution. In the prior art, when the gas cylinder is detected, the pressure, the temperature and the saturated vapor pressure in the gas cylinder need to be detected respectively, and a conventional gas cylinder detection device only comprises a pressure sensor and a liquid level sensor, so that the operation is complex, the workload is large, and the centralized detection cannot be carried out.
SUMMERY OF THE UTILITY MODEL
Based on the problems, the utility model provides a portable LNG gas cylinder tester, which collects the pressure, temperature, liquid level, flow and the like in the gas cylinder in real time through a liquid level sensor, a temperature sensor vacuum gauge and a mass flow meter, tests the data of a gas cylinder pressure gauge through the vacuum gauge, uploads the test data to a controller, and monitors and displays various data of the gas cylinder in real time through a display screen; the transmission format of the acquired data can be customized according to the requirements of users, and can be remotely transmitted to a designated platform through the wireless communication module, so that the remote monitoring is facilitated.
For solving the above technical problem, the utility model discloses a technical scheme is:
a portable LNG gas cylinder tester comprises a controller, a liquid level sensor, a temperature sensor, a mass flow meter and a vacuum gauge, wherein the controller comprises a box body, the box body is provided with an integrated circuit board, a display screen and a power supply, and the liquid level sensor, the temperature sensor, the mass flow meter, the vacuum gauge and the display screen are all in communication connection with the integrated circuit board; the integrated circuit board is used for converting signals of the liquid level sensor, the temperature sensor, the mass flowmeter and the vacuum meter into digital signals and transmitting the digital signals to the display screen for displaying; the power supply supplies working current to the controller.
Furthermore, the bottom of the box body of the controller is provided with a rubber pad, and the box body of the controller is provided with a grounding connector.
Furthermore, the vacuum gauge is a composite vacuum gauge which mainly comprises a resistance gauge, a resistance unit circuit, an ionization gauge and an ionization unit circuit; the resistance unit circuit is used for completing the constant temperature power regulation of the resistance gauge heating wire, sampling and amplifying the voltage signal of the measurement bridge circuit which changes along with the vacuum degree, and converting the voltage signal into a digital signal through analog-to-digital conversion; one part of the ionization unit circuit provides working voltage and emission current stability required by the ionization gauge, the other part of the ionization unit circuit completes detection and amplification of ion current, the ion current is converted into a digital signal through analog-to-digital conversion, and a vacuum degree display panel which independently displays the reading of a vacuum gauge is arranged on the controller.
Furthermore, the number of the temperature sensors is two, each temperature sensor is in communication connection with the display screen through a temperature transmitter module arranged on the integrated circuit board, one temperature sensor extends into the liquid level of the gas cylinder, and the other temperature sensor is located above the liquid level in the gas cylinder.
Furthermore, the mass flowmeter is in communication connection with the integrated circuit board through a cable and an RS485 interface, and the controller is provided with a flow calculator in communication connection with the integrated circuit board.
Furthermore, the integrated circuit board of the controller is in communication connection with the computer terminal in a wired or wireless mode.
Furthermore, still including being used for placing the controller prevent the static dolly, prevent that static dolly bottom is provided with the silence gyro wheel.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model collects the pressure, temperature, liquid level, flow and the like in the gas cylinder in real time through the liquid level sensor, the temperature sensor vacuum gauge and the mass flow meter, and verifies the data of the gas cylinder pressure gauge through the vacuum gauge, uploads the detection data to the controller, and monitors and displays various data of the gas cylinder in real time through the display screen; the transmission format of the acquired data can be customized according to the requirements of users, and can be remotely transmitted to a designated platform through the wireless communication module, so that the remote monitoring is facilitated.
Drawings
FIG. 1 is a schematic connection diagram of a portable LNG cylinder tester and a gas cylinder in an embodiment;
FIG. 2 is a schematic perspective view of a controller according to an embodiment;
FIG. 3 is a schematic structural view of the controller and the anti-static cart in the embodiment;
wherein: 1. a controller; 2. a liquid level sensor; 3. a temperature sensor; 4. a mass flow meter; 5. a vacuum gauge; 6. a display screen; 7. a rubber pad; 8. a ground connection; 9. a vacuum degree display panel; 10. a flow calculator; 11. an RS485 interface; 12. an anti-static trolley; 13. a mute roller; 14. a gas cylinder.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.
Example (b):
referring to fig. 1-3, a portable LNG gas cylinder 14 tester, includes a controller 1, a liquid level sensor 2, a temperature sensor 3, a mass flow meter 4 and a vacuum gauge 5, the controller 1 includes a box body, the box body is provided with an integrated circuit board, a display screen 6 and a power supply, the liquid level sensor 2, the temperature sensor 3, the mass flow meter 4, the vacuum gauge 5 and the display screen 6 are all connected with the integrated circuit board in a communication manner; the integrated circuit board is used for converting signals of the liquid level sensor 2, the temperature sensor 3, the mass flow meter 4 and the vacuum meter 5 into digital signals and transmitting the digital signals to the display screen 6 for displaying; the power supply supplies operating current to the controller 1.
In this embodiment, the gas cylinder 14 is provided with a pressure gauge for displaying the gas pressure in the gas cylinder 14, the liquid level sensor 2 is used for detecting the liquid level height in the gas cylinder 14, the temperature sensor 3 is used for detecting the temperature in the gas cylinder 14, the vacuum gauge 5 is used for detecting the gas pressure value in the gas cylinder 14, and the flow sensor is used for detecting the gas flow at the outlet of the gas cylinder 14. The detection ends of the liquid level sensor 2 and the temperature sensor 3 are arranged in the gas cylinder 14 in advance, the vacuum gauge 5 and the mass flow meter 4 are arranged at the outlet of the gas cylinder 14, and then the transmission cables of the liquid level sensor 2, the temperature sensor 3, the vacuum gauge 5 and the mass flow meter 4 are respectively electrically connected with corresponding interfaces on the integrated circuit board. After controller 1 switch on power supply, controller 1 starts, level sensor 2, temperature sensor 3, the signal conversion that vacuum gauge 5 and mass flow meter 4 will detect becomes the signal of telecommunication, and transmit detected signal to integrated circuit board, corresponding calculation procedure has been set up in advance in the integrated circuit board, signal conversion with different intensity is corresponding liquid level height data, temperature data, the gas pressure data in the gas cylinder 14 and the gas flow data of 14 exits of gas cylinder, and transmit to display screen 6, show through display screen 6, the monitoring personnel of being convenient for directly perceived reads the record. The reading of the vacuum gauge 5 is compared with the reading of the pressure gauge, and the verification of the pressure gauge on the gas cylinder 14 can be realized. The utility model discloses a level sensor 2 adopts DYQ-6D capacitanc level pressure sensor, pressure range 0 ~ 4 MPa/+/-0.02 MPa, and DYQ-6D capacitanc level pressure sensor is from taking RS485 teletransmission interface.
The bottom of the box body of the controller 1 is provided with a rubber pad 7, and the box body of the controller 1 is provided with a grounding joint 8. The industrial controller 1 generally adopts an aluminum alloy case body, firstly, heat can be conducted quickly, secondly, static electricity generated in the controller 1 is led out in time by arranging the grounding connector 8 on the aluminum alloy case body, and the problem that the static electricity is gathered on the aluminum alloy case body to influence signal processing of an integrated circuit board is avoided. The box body in the embodiment is formed by bending and welding Q235 plates, and the surfaces of the plates are sprayed with antirust paint and finish paint; the front end of the box body is an operation interface, a display screen 6, a composite vacuum gauge and a flow calculator 10 are installed, and the zinc alloy handle is convenient for carrying the box body; 4 shock-absorbing rubber pads 7 have been installed to the bottom half, the effectual vibrations that have reduced the box are to the influence that equipment produced. The box body adopts a back-opening door form, the distribution gas cabinet lock prohibits opening the door under the condition of equipment power-on, the back door is provided with a power supply, a mass meter, special interfaces for temperature, vacuum, pressure liquid level and the like, and an increase line interface is reserved at the same time, so that functional diversity is realized. The integrated circuit board is also provided with a man-machine interaction main control board for manually changing the parameter setting.
The vacuum gauge 5 is a composite vacuum gauge which mainly comprises a resistance gauge, a resistance unit circuit, an ionization gauge and an ionization unit circuit; the resistance unit circuit is used for completing the constant temperature power regulation of the resistance gauge heating wire, sampling and amplifying the voltage signal of the measurement bridge circuit which changes along with the vacuum degree, and converting the voltage signal into a digital signal through analog-to-digital conversion; one part of the ionization unit circuit provides working voltage and emission current stability required by the ionization gauge, the other part of the ionization unit circuit completes detection and amplification of ion current, the ion current is converted into a digital signal through analog-digital conversion, and a vacuum degree display panel 9 which independently displays the reading of a vacuum gauge is arranged on the controller 1. The resistance unit circuit and the ionization unit circuit both use a digital circuit with a microprocessor as a core, on one hand, the nonlinear processing and operation of the vacuum digital signals of the resistance unit are completed, and finally the signals are sent to the display screen 6 for display, and on the other hand, the sampling and operation of the digital signals of the ionization unit are completed and sent to the display screen 6 for display; meanwhile, the automatic switching of the ion current amplification range and the emission current conversion can be carried out. The microprocessor can also receive each button instruction or back plate external control signal instruction of the panel of the controller 1 and send out corresponding execution instructions, and outputs vacuum control signals, vacuum degree simulation signals, computer communication signals and the like.
The mass flow meter 4 is in communication connection with the integrated circuit board through a cable and an RS485 interface 11, and the controller 1 is provided with a flow calculator 10 in communication connection with the integrated circuit board. The flow calculator 10 in this embodiment is a D08-8C digital flow calculator, can provide a working power supply for the gas mass flow meter 4(MFC), and has functions of operation control, digital display of instantaneous flow and accumulated flow, and the like, and can calculate the static evaporation rate in the gas cylinder 14 according to the accumulated flow and the instantaneous flow.
The integrated circuit board of the controller 1 is in communication connection with a computer terminal in a wired or wireless manner. The controller 1 is provided with a local network communication interface which can be in communication connection with a computer terminal, so that wired communication between the controller 1 and the computer terminal is realized, and data detected by the liquid level sensor 2, the temperature sensor 3, the mass flow meter 4 and the vacuum degree meter 5 are transmitted to the computer terminal for storage and recording. The controller 1 is also provided with a wireless communication module, and the controller 1 is in communication connection with the computer terminal through the wireless communication module. The wireless communication module in the embodiment is a wireless communication product with excellent performance developed based on the requirement of a 3G/4G network. The method is mainly applied to data transmission services of industrial users, and supports functions of transparent data transmission, image transmission, equipment monitoring, wireless routing internet access and the like. The high-performance 32-bit processor is adopted, a protocol and a large amount of data can be processed at high speed, and various 3G/4G industrial modules (WCDMA/EVDO/TD-SCDMA, TD-L TE/FDD-LTE networks) can be matched. 10/100M Ethernet port, WIFI wireless interface and serial port are provided. A variety of end devices can be interfaced. And a WEB configuration mode is supported, the management is convenient and simple, and the remote short message control is supported.
Referring to fig. 3, the controller also comprises an anti-static trolley 12 for placing the controller 1, and a mute roller 13 is arranged at the bottom of the anti-static trolley 12. The transportation of equipment when being convenient for detect in different places, and noiselessness in the transportation.
The portable LNG cylinder 14 tester in this embodiment has the following main technical parameters:
the liquid level sensor 2: a DYQ-6D capacitance type liquid level pressure sensor;
a pressure sensor: range of measurement: 0 to 4 MPa/+/-0.02 MPa;
temperature sensor 3: b grade, 200 ℃ below zero to 500 ℃, is fully immersed, and the cable needs to resist temperature of 196 ℃ below zero to 200 ℃;
a temperature transmitter module: the temperature sensor 3 is matched for use and is provided with an RS485 interface 11;
resistance gauge: 105-1 × 10-1Pa is less than or equal to +/-25 percent;
ionization gauge: 4-1 × 10-5Pa is less than or equal to +/-20%;
a composite vacuum gauge: the vacuum gauge is matched with a vacuum gauge pipe for use and is provided with an RS485 interface 11;
and 4, mass flow meter: 0-30slm 3/h, ± 0.2% f.s.;
the flow calculator 10: the flow totalizer is provided with an RS485 interface 11;
integrated circuit board (with man-machine interaction main control board): MCU master frequency 168M, 4 way RS485,2 way RS232,32M storage.
The installation technical requirements are as follows:
1. the controller 1 of the gas cylinder 14 detector is required to be horizontally placed on a movable trolley, the movable trolley is placed on the horizontal ground, wheels of the movable trolley are locked, and the movable trolley cannot shake randomly;
2. the gas cylinder 14 detector is installed in a proper place, preferably in a room which can be sheltered from wind and rain;
3. high objects are forbidden to be stacked within 2 meters around the equipment, so that the equipment is prevented from being damaged by the toppling of the high objects;
4. all parts are far away from a corrosive environment, and a back door is strictly forbidden to be opened under the condition that equipment is electrified;
5. the equipment power supply system DC220V supplies power, and the grounding terminal of the equipment shell is safely connected with the grounding grid;
6. all electrical and electronic element wiring must accord with the standard, and the wiring of connecting is forbidden to change or concatenate privately.
The embodiment of the present invention is the above. The specific parameters in the above embodiments and examples are only for the purpose of clearly showing the verification process of the present invention, and are not used to limit the protection scope of the present invention, which is still subject to the claims, and all the equivalent structural changes made by using the contents of the specification and drawings of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a portable LNG gas cylinder tester which characterized in that: the intelligent vacuum pump comprises a controller (1), a liquid level sensor (2), a temperature sensor (3), a mass flow meter (4) and a vacuum meter (5), wherein the controller (1) comprises a box body, the box body is provided with an integrated circuit board, a display screen (6) and a power supply, and the liquid level sensor (2), the temperature sensor (3), the mass flow meter (4), the vacuum meter (5) and the display screen (6) are all in communication connection with the integrated circuit board; the integrated circuit board is used for converting signals of the liquid level sensor (2), the temperature sensor (3), the mass flow meter (4) and the vacuum meter (5) into digital signals and transmitting the digital signals to the display screen (6) for displaying; the power supply supplies working current to the controller (1).
2. The portable LNG cylinder tester of claim 1, wherein: the bottom of the box body of the controller (1) is provided with a rubber pad (7), and the box body of the controller (1) is provided with a grounding joint (8).
3. The portable LNG cylinder tester of claim 1, wherein: the vacuum gauge (5) is a composite vacuum gauge which mainly comprises a resistance gauge, a resistance unit circuit, an ionization gauge and an ionization unit circuit; the resistance unit circuit is used for completing the constant temperature power regulation of the resistance gauge heating wire, sampling and amplifying the voltage signal of the measurement bridge circuit which changes along with the vacuum degree, and converting the voltage signal into a digital signal through analog-to-digital conversion; one part of the ionization unit circuit provides working voltage and emission current stability required by the ionization gauge, the other part of the ionization unit circuit completes detection and amplification of ion current, the ion current is converted into a digital signal through an analog-digital converter, and a vacuum degree display panel (9) which independently displays the reading of the vacuum gauge is arranged on the controller (1).
4. The portable LNG cylinder tester of claim 1, wherein: the quantity of temperature sensor (3) is two, every temperature sensor (3) are connected with display screen (6) communication through the temperature transmitter module that sets up on integrated circuit board, and one of them temperature sensor (3) stretch into the liquid level of gas cylinder (14) in, another temperature sensor (3) are located the liquid level top in gas cylinder (14).
5. The portable LNG cylinder tester of claim 1, wherein: the mass flow meter (4) is in communication connection with the integrated circuit board through a cable and an RS485 interface (11), and the controller (1) is provided with a flow meter calculator (10) in communication connection with the integrated circuit board.
6. A portable LNG cylinder tester according to any one of claims 1-5, characterized in that: and the integrated circuit board of the controller (1) is in communication connection with the computer terminal in a wired or wireless mode.
7. The portable LNG cylinder tester of claim 6, wherein: the controller is characterized by further comprising an anti-static trolley (12) used for placing the controller (1), wherein a mute roller (13) is arranged at the bottom of the anti-static trolley (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921549777.8U CN210739968U (en) | 2019-09-17 | 2019-09-17 | Portable LNG gas cylinder tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921549777.8U CN210739968U (en) | 2019-09-17 | 2019-09-17 | Portable LNG gas cylinder tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210739968U true CN210739968U (en) | 2020-06-12 |
Family
ID=70983768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921549777.8U Active CN210739968U (en) | 2019-09-17 | 2019-09-17 | Portable LNG gas cylinder tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210739968U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114911282A (en) * | 2022-05-31 | 2022-08-16 | 北京北方华创微电子装备有限公司 | Temperature control system and method for source bottle |
| CN115111529A (en) * | 2022-08-02 | 2022-09-27 | 兰州理工大学 | Interlayer vacuum degree monitoring and alarming method and system for low-temperature Dewar |
| WO2023115177A1 (en) * | 2021-12-21 | 2023-06-29 | Robert Bosch Limitada | Method and system for detecting replacement of pressurised fluid storage containers |
| WO2023115179A1 (en) * | 2021-12-21 | 2023-06-29 | Robert Bosch Limitada | Method and system for detecting replacement of pressurised fluid storage containers |
| WO2023115178A1 (en) * | 2021-12-21 | 2023-06-29 | Robert Bosch Limitada | Method and system for detecting the replacement of pressurized fluid storage containers |
| WO2023115180A1 (en) * | 2021-12-21 | 2023-06-29 | Robert Bosch Limitada | Method and system for detecting replacement of pressurised fluid storage containers |
-
2019
- 2019-09-17 CN CN201921549777.8U patent/CN210739968U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023115177A1 (en) * | 2021-12-21 | 2023-06-29 | Robert Bosch Limitada | Method and system for detecting replacement of pressurised fluid storage containers |
| WO2023115179A1 (en) * | 2021-12-21 | 2023-06-29 | Robert Bosch Limitada | Method and system for detecting replacement of pressurised fluid storage containers |
| WO2023115178A1 (en) * | 2021-12-21 | 2023-06-29 | Robert Bosch Limitada | Method and system for detecting the replacement of pressurized fluid storage containers |
| WO2023115180A1 (en) * | 2021-12-21 | 2023-06-29 | Robert Bosch Limitada | Method and system for detecting replacement of pressurised fluid storage containers |
| CN114911282A (en) * | 2022-05-31 | 2022-08-16 | 北京北方华创微电子装备有限公司 | Temperature control system and method for source bottle |
| CN115111529A (en) * | 2022-08-02 | 2022-09-27 | 兰州理工大学 | Interlayer vacuum degree monitoring and alarming method and system for low-temperature Dewar |
| CN115111529B (en) * | 2022-08-02 | 2024-04-26 | 兰州理工大学 | Sandwich vacuum degree monitoring and alarming method and system for low-temperature Dewar |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210739968U (en) | Portable LNG gas cylinder tester | |
| CN103076491B (en) | Supply line's detection method of AC/DC universal and testing circuit | |
| CN102621516B (en) | Electric energy meter operational abnormity judging method based on large-scale data application background | |
| CN105242119A (en) | Electromagnetic environment monitoring system with noise integrated and method | |
| CN202929124U (en) | Substation high-voltage shunt capacitor intelligent online monitoring system | |
| CN102497030A (en) | Line-loss actual-measurement and positioning method based on high-voltage electric energy meter and system thereof | |
| CN204188757U (en) | Portable power equipment leakage point insulating pick-up unit | |
| CN211206604U (en) | Mobile electrical equipment on-line monitoring device | |
| CN202957659U (en) | Line loss actual measurement and positioning system based on high voltage electric energy meter | |
| WO2022193661A1 (en) | Transformer reactive power disturbance calculation method based on gic monitoring device | |
| CN104978631A (en) | Electric energy metering and management system for large-scale enterprise | |
| CN206684243U (en) | The on-line monitoring system of power capacitor working condition in reactive power compensator | |
| RU2330294C2 (en) | METHOD FOR SUPPLYING AND METERING ELECTRIC POWER IN 0,4 kV DISTRIBUTION NETWORKS WITH ANTITHEFT PROTECTION | |
| CN203535128U (en) | Crosslinked polyethylene high-voltage cable on-line monitoring and early warning system | |
| CN113075447A (en) | Intelligent detection device and method for 400V low-voltage distribution network | |
| CN102062819B (en) | Intelligent nuclear phase device | |
| CN203178469U (en) | Portable transmitter verification meter | |
| CN109188098A (en) | A kind of ground resistance on-line monitoring management system | |
| CN213581213U (en) | Overhead distribution line fault positioning system | |
| CN211209375U (en) | Online monitoring system of intelligent quick user incoming line demarcation type cable branch box | |
| CN204696455U (en) | One can network monitoring intelligence civil power input module | |
| CN103616587A (en) | On-line type electric energy comprehensive quality analysis meter | |
| CN207232382U (en) | Electric energy metering secondary overall operation situation on-Line Monitor Device | |
| CN208350982U (en) | A kind of detection device of electric energy meter under cryogenic conditions | |
| CN211955619U (en) | Electricity larceny prevention metering comparison detector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |