WO2021024146A1 - Digital gauge meter - Google Patents
Digital gauge meter Download PDFInfo
- Publication number
- WO2021024146A1 WO2021024146A1 PCT/IB2020/057304 IB2020057304W WO2021024146A1 WO 2021024146 A1 WO2021024146 A1 WO 2021024146A1 IB 2020057304 W IB2020057304 W IB 2020057304W WO 2021024146 A1 WO2021024146 A1 WO 2021024146A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- meter
- digital
- unit
- digital meter
- temperature
- Prior art date
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D13/00—Component parts of indicators for measuring arrangements not specially adapted for a specific variable
- G01D13/02—Scales; Dials
- G01D13/12—Graduation
- G01D13/20—Graduation with luminescent markings
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
Definitions
- the embodiments herein generally relate to a gauge meter and more particularly to, a digital gauge meter which provides variety of digital display capabilities and can be controlled or managed by an external handheld electronic device (for e.g. cellular or mobile handset) in variety of industrial applications.
- an external handheld electronic device for e.g. cellular or mobile handset
- gauge meters available in the market use mechanical push buttons to change any mode of operation of the gauges.
- the customer also needs to refer a manual and a programming tree to do the intended changes in various operation modes.
- the process parameter values are transmitted via a current loop or a voltage loop.
- the bar graph for the process value being measured, if provided, is also not visible from far of distance from where the meter is placed. Now transmitting these values wirelessly through a fixed antenna also is a challenge. Especially when such antennas protrudes out of the gauge meter frame, while this can create a maintenance issue and may involve breakages of the antenna.
- Another aspect is setting the calibration schedule for the instruments.
- a separate reminder list or calibration schedule in a log which can be in the form of a paper or computer.
- the calibration schedule cannot be easily set and no reminders are offered.
- the device should also be capable of processing all values of relays, delay on each relay, selection of current outputs, and voltage outputs which can be easily programmed via a mobile application. Further the calibration schedule can be easily set by the device through the mobile application of the device.
- the embodiment herein provides a digital gauge meter wherein the gauge meter includes a sturdy casing enclosure accommodating an electronic circuitry which consist of an analog input units provided with sensor inputs, wherein the sensor inputs have two parameters related to a medium (such as steam, water, gas, chemical, mixture of chemicals, slurry, etc.). Of the two parameters a primary parameter can be pressure, differential pressure, flow rate, temperature, pH, etc. and temperature as a secondary parameter together forming a measured parameters (MP).
- a primary parameter can be pressure, differential pressure, flow rate, temperature, pH, etc. and temperature as a secondary parameter together forming a measured parameters (MP).
- a temperature measurement unit which includes at least two temperature sensors, wherein one of the temperature sensors is mounted on the enclosure to measure ambient temperature and other is mounted on the electronic circuitry to measure internal temperature of the electronic circuitry; a processor configured to operate at various configuration modes, upon execution of instructions related to specific modes, processes signals from the analog input units and the temperature measurement unit to provide proportional output signals to peripheral units which are connected to the processor; an analog output unit, consisting of at least two analog output channels of current and voltage output, wherein the output of these channels is proportional to the measured parameters (MP) and as per various configuration modes of the meter; a relay output unit, consisting of at least four relay outputs, wherein each relay operates according to the MP value depending on configured upper, lower limits and respective delays; a touch based display unit having multiple screens, colorful scales, navigation keys, menu, etc., wherein the screens displays MP value, relay outputs and configuration menu for setting various modes of the digital meter while also providing visual interpretation of the measured parameters and outputs; a wireless unit, transmitting the measured parameter values to an I
- the meter consist of a controller reset switch, which when pressed resets the digital gauge meter while the mode configuration of the meter remains unchanged.
- the meter may consist of a configuration reset switch, which when pressed resets the mode configuration of the meter to factory default.
- the meter may also include a real time clock RTC to set and keep date time updated.
- the display unit screen consist of a dial display, whereby MP value is whereby MP value as a percentage of Full Scale Reading is displayed as a bar graph in terms of 50 LEDs.
- the display unit screen consist of the navigation keys such as up, down, left, right and enter key with which a user can select and navigate through the menu and various mode configurations of the digital meter.
- the scales of the display changes color as per the values of the measured parameter.
- a differential input is provided to the digital meter.
- the storage unit stores log data related to MP value, analog outputs, relay outputs and instructions related to execution of different modes.
- FIG. 1 illustrates a front schematic view of a digital gauge meter according to an embodiment mentioned herein;
- FIG. 2 illustrates a high level block diagram of a digital gauge meter describing various elements according to an embodiment mentioned herein;
- FIG. 3 illustrates a detailed block diagram of a digital gauge meter describing various elements according to an embodiment mentioned herein;
- FIG. 4 illustrates various information displayed on the screen of an OLED display of the digital gauge meter according to an embodiment mentioned herein.
- the appearances of the phrase “in one embodiment” in various places in the specification are not necessarily all referring to the same embodiment.
- specific details are set forth such as particular architectures, interfaces, techniques, etc. in order to provide a thorough understanding of the present invention.
- the present invention may be practiced in other embodiments that depart from these specific details. That is, those skilled in the art will be able to devise various arrangements which, although not explicitly described or shown herein, embody the principles of the invention and are included within its spirit and scope.
- FIG. 1 illustrates a front schematic view of a digital gauge meter according to an embodiment mentioned herein.
- the digital gauge meter includes a display whereby a bar graph displayed on the display may be visible from a long distance, and programming (in the event app is not available) can be through capacitive touch buttons provided on the front PCB board.
- the display is a colour OLED display which may be visible from various angles even in broad daylight. The relay values and status may be known from the colour of the displayed relay number on the screen.
- all values of relays, the delay on each relay, selection of current outputs, and voltage outputs can be easily programmed through an application in an portable electronic device like cellular or mobile handset.
- data transmission may be through a wireless antenna.
- the wireless antenna may be masked on stem portion of the gauge.
- the connection to the gauge is through a single 19 pin connector on the back of the gauge, which provides pins for power supply, current output, voltage output, the four relays and additionally a ground connection.
- All gauge components including electronic circuits are housed in a stainless steel casing with a transparent polycarbonate sheet or glass on the front.
- FIG. 2 illustrates a high level block diagram of a digital gauge meter describing various elements according to an embodiment mentioned herein. All the status of the device and parameters controlled are visible on the mobile device through an app and remotely to a server if connected through Wi-Fi. In an example embodiment, the device addresses all the communications to and from the gauge through a mobile handset and application.
- datalogging facility may be provided in the gauge meter itself. This will help in storing all event data, process data for retrieval at a later date. With the onboard electronics capable of transmitting the data over the internet, the functionality helps users/customers to monitor process values remotely.
- all of this data may be stored in a cloud enterprise arrangement.
- the cloud storage can also facilitate data analysis of various parameters and triggering alarms and notifications like emails, text messages etc. at preset values becomes easy.
- the data analysis further helps in predicting impending failures, preventing leakage of gases (to conform to environmental norms), managing inventory, etc.
- the gauge meter may be used for pressure control in process plants, monitoring filters, regulating pump pressures, detecting leakage of gases and maintenance of such facilities periodically, measuring, regulating and controlling cylinder force in power presses, monitoring levels of liquids and gases in cryogenic and non-cryogenic tanks to name just a few applications.
- the present embodiments provides a digital gauge meter which can be controlled through a portable electronic device like mobile handset and application. Further, this device is also capable of being remotely monitored for the status of various parameters or can be directly visible through the display.
- FIG. 3 illustrates a detailed block diagram of the digital gauge meter 100 describing various elements according to an embodiment mentioned herein.
- the meter includes an electronic circuitry which consist of an analog input units (1, 2) provided with sensor inputs, a temperature measurement unit 208, which includes at least two temperature sensors, a processor 210 configured to operate at various configuration modes, upon execution of instructions related to specific modes, processes signals from the analog input units and the temperature measurement unit to provide proportional output signals to peripheral units 209 which are connected to the processor.
- the meter further includes an analog output unit 212 which consist of at least two analog output channels of current and voltage output, a relay output unit 214, consisting of at least four relay outputs, a touch based display unit 216 having multiple screens 108, colorful scales 104, navigation keys 106, menu, etc., a wireless unit 218, transmitting the measured parameter values to an IoT cloud unit 204 and/or a portable electronic device 206 having an application which is capable of interpreting these parameter values and also able to configure various modes of the digital meter, and a socket 110, embedded with the sensors.
- an analog output unit 212 which consist of at least two analog output channels of current and voltage output
- a relay output unit 214 consisting of at least four relay outputs
- a touch based display unit 216 having multiple screens 108, colorful scales 104, navigation keys 106, menu, etc.
- a wireless unit 218 transmitting the measured parameter values to an IoT cloud unit 204 and/or a portable electronic device 206 having an application which is capable
- the sensor inputs have at least two parameters under measurement which is related to a medium.
- the medium may be steam, water, gas, chemical, mixture of chemicals, slurry, etc. but not limited to the embodiments mentioned herein.
- a primary parameter may be a pressure, differential pressure, flow rate, temperature, pH, etc. and temperature as a secondary parameter together forming a measured parameters (MP).
- MP measured parameters
- the two parameters under measurement may be either similar or different.
- one of the temperature sensors may be mounted on the enclosure to measure ambient temperature and other may be mounted on the electronic circuitry to measure internal temperature of the electronic circuitry.
- the output of these channels may be proportional to the measured parameters (MP) and as per various configuration modes of the meter.
- MP measured parameters
- each of the relay operates according to the MP value depending on configured upper, lower limits and respective delays.
- the screens displays MP value, relay outputs and configuration menu for setting various modes of the digital meter while also providing visual interpretation of the measured parameters and outputs.
- the socket may be coupled to the casing at one end and making direct contact with the liquids or gases under pressure at other end.
- FIG. 4 illustrates various information displayed on the screen of an OLED display of the digital gauge meter according to an embodiment mentioned herein.
- the colour rich, informative OLED display may provide basic information of the process parameters.
- the mobile application may be every effective in monitoring or knowing the process parameters and also all the configuration of the digital gauge 100.
- the gauges 100 may often be installed at a height or in remote places which may not be so easily accessible. In such cases, the mobile application comes in handy to take the reading from the gauge. With the wireless capability the mobile device may be moved anywhere within a radius of 20 feet (6 meters) and pair the smartphone (with Ogauge app installed on it) with the Ogauge.
- only one Ogauge can be paired at any given time. All information about this gauge like configuration, modes, etc. will be available on the screen of the portable device or mobile phone. Based on the users role, changing the configuration of the gauge is also possible. The selected mode of operation of the Ogauge will decide the display units on the screen of the gauge.
- the pressure gauge may be used in different modes like pressure, force or level (in open tanks) measurements.
- a differential pressure gauge can be used in differential pressure mode, level mode (for open tanks and also pressurized tanks).
- Ogauge with device type pressure may also be used in hydraulic presses to display force.
- the Ram diameter of the press on which it has been installed will have to be keyed in during setting up the mode.
- Display units will be Force units in this case. It is important to choose an appropriate gauge based on the hydraulic press / cylinder it has to be installed on.
- the Ogauge with device type pressure may be used to measure, monitor and control liquid level in tanks open to atmosphere. Level units will be displayed in this case. The inputs needed will be specific gravity of the liquid, tank orientation and related inputs based on tank orientation. Ogauges for differential pressure are available in planar and nonplanar styles. In planar gauges, both the pressures are displayed on the gauge. Based on the type of sensor selected, the media temperature is also displayed on the gauge.
- the status of the relay may be seen in Screen 2.
- the relay changes state. This is indicated by a change in colour of relay number on the screen to red.
- relay resets, relay returns to original colour which is white.
- screen 3 gives additional information about the upper and lower limits of each of the relays along with the delay that has been set for each relay at respective units.
- a colored arrow alongside helps in identifying the relay number very easily.
- the scroll time of the screen helps in seeing settings of each of the four relays. Scrolling setting can be manual or auto.
- the gauge also has facility to set sectors within a range. Lower limit and upper limit of each of the sectors can be defined within a range. When the display parameter is within these limits, the colour associated with that sector, is displayed on the screen. Overlapping of sectors is not possible.
- the present embodiment provides the digital gauge meter as described above which may be configured through the touch based display system.
- This meter may also be conveniently configurable through the mobile application and the log generated from the meter may also be stored in the portable electronic device or in a remote server through IOT based cloud environment.
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- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
Description
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Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IN201921031424 | 2019-08-02 | ||
IN201921031424 | 2019-08-02 |
Publications (1)
Publication Number | Publication Date |
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WO2021024146A1 true WO2021024146A1 (en) | 2021-02-11 |
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Application Number | Title | Priority Date | Filing Date |
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PCT/IB2020/057304 WO2021024146A1 (en) | 2019-08-02 | 2020-08-02 | Digital gauge meter |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113091966A (en) * | 2021-03-01 | 2021-07-09 | 中煤第七十二工程有限公司 | Load controller |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN200941076Y (en) * | 2006-08-08 | 2007-08-29 | 北京石大创业测控技术有限公司 | Intelligent pressure, temp displaying control meter |
US20150048955A1 (en) * | 2013-08-15 | 2015-02-19 | Western/The Scott Fetzer Company | Information gauge with analog backup |
US20180375940A1 (en) * | 2012-01-09 | 2018-12-27 | May Patents Ltd. | System and method for server based control |
-
2020
- 2020-08-02 WO PCT/IB2020/057304 patent/WO2021024146A1/en active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN200941076Y (en) * | 2006-08-08 | 2007-08-29 | 北京石大创业测控技术有限公司 | Intelligent pressure, temp displaying control meter |
US20180375940A1 (en) * | 2012-01-09 | 2018-12-27 | May Patents Ltd. | System and method for server based control |
US20150048955A1 (en) * | 2013-08-15 | 2015-02-19 | Western/The Scott Fetzer Company | Information gauge with analog backup |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113091966A (en) * | 2021-03-01 | 2021-07-09 | 中煤第七十二工程有限公司 | Load controller |
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