KR101728438B1 - Communication system for a temperature-pressure compensation device - Google Patents

Communication system for a temperature-pressure compensation device Download PDF

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Publication number
KR101728438B1
KR101728438B1 KR1020150141338A KR20150141338A KR101728438B1 KR 101728438 B1 KR101728438 B1 KR 101728438B1 KR 1020150141338 A KR1020150141338 A KR 1020150141338A KR 20150141338 A KR20150141338 A KR 20150141338A KR 101728438 B1 KR101728438 B1 KR 101728438B1
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South Korea
Prior art keywords
bluetooth module
pressure
gas
usb bluetooth
information
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KR1020150141338A
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Korean (ko)
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KR20170042394A (en
Inventor
김용덕
임태원
신범석
이동호
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티엠에스케이 주식회사
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
    • G06Q50/06—Electricity, gas or water supply
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
    • G01F15/02—Compensating or correcting for variations in pressure, density or temperature
    • G01F15/04—Compensating or correcting for variations in pressure, density or temperature of gases to be measured
    • G01F15/043—Compensating or correcting for variations in pressure, density or temperature of gases to be measured using electrical means
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2209/00—Arrangements in telecontrol or telemetry systems
    • H04Q2209/40—Arrangements in telecontrol or telemetry systems using a wireless architecture
    • H04Q2209/43—Arrangements in telecontrol or telemetry systems using a wireless architecture using wireless personal area networks [WPAN], e.g. 802.15, 802.15.1, 802.15.4, Bluetooth or ZigBee

Abstract

SUMMARY OF THE INVENTION The present invention provides a communication system for a pressure compensation apparatus which enables a USB Bluetooth module and a smart device installed in a pressure compensation apparatus to communicate through a wireless communication network. To this end, the communication system for a pressure compensation apparatus according to the present invention comprises: a gas meter for calculating a city gas consumption amount; A pressure correction device mounted on the gas meter for correcting an error of the gas meter; A USB Bluetooth module mounted on a communication port of the pressure compensation device; And a smart device that transmits and receives data through the wireless communication network with the USB Bluetooth module, wherein the USB Bluetooth module controls the temperature of the gas, the pressure of the gas, the non-corrected instantaneous flow rate, the non- A correction coefficient, and a compression coefficient to the smart device via the wireless communication network, and the USB Bluetooth module transmits information for modifying at least one of the information to the wireless communication network And transmits the information to the pressure correction device. The pressure correction device uses the information transmitted from the USB Bluetooth module to measure the temperature of the gas used in the gas meter, the pressure of the gas, At least one of an instantaneous flow rate, a non-static flow amount, a corrected production amount, a correction coefficient, and a compression coefficient is corrected.

Description

[0001] COMMUNICATION SYSTEM FOR A TEMPERATURE-PRESSURE COMPENSATION DEVICE [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a communication system for connecting a communication between a pressure compensation device and a smart device.

Liquefied natural gas (Liquefied Natural Gas) is a liquid whose volume is compressed by liquefaction of natural gas at-162 ° C to facilitate the storage and transportation of natural gas produced underground. This liquid is vaporized by the vaporization equipment and supplied to the customer through piping in the form of natural gas, which is called city gas.

Urban gas is lighter than air, has a higher ignition temperature than other fuels, and is not easily burned. Therefore, the risk of accidents such as fire is low.

Urban gas is supplied to each customer through piping. A gas meter for measuring the volume of city gas consumption is attached to each customer supplied, and the usage fee is charged by the volume measured by the gas meter.

The volume of city gas per unit weight depends on the temperature and the magnitude of the pressure. That is, the city gas supplier supplies the city gas to each customer at a predetermined reference temperature and reference pressure at a supply reference point provided with a regulator. However, when the temperature / pressure of the city gas at the point where the city gas meter is installed is different from the reference temperature / reference pressure at the supply reference point, the volume value corresponding to the city gas weight outputted at the supply reference point, The value of the city gas volume measured at the site is different.

In Korea, the reference temperature and pressure are 0 ℃ and 1 atm, and the regulator supplies city gas at the pressure required for each customer. During the transportation of city gas to each customer through piping, the meter reading value of the gas meter varies with the season, day and night because the density of the gas varies depending on the ambient temperature and the atmospheric pressure. The inconsistency between the reference value of the temperature and pressure applied when the city gas company sends the city gas from the regulator to each customer and the temperature and the pressure value at the time of actual weighing in the gas meter of each customer is calculated as the value of the city gas consumption of each customer Which causes an error, which causes the supplier or the consumer to suffer an economic loss.

For example, when using city gas in hot or elevated areas, it is unreasonable to use the same amount of energy even when using less calories (calories are proportional to volume, not proportional to volume) than cold regions or lowlands Lt; / RTI >

In order to eliminate such unreasonableness, a device for correcting an error of a metered value of a city gas consumption amount (hereinafter, simply referred to as a "pressure correction device") has been proposed. The pressure correction device is disclosed in Japanese Patent No. 811239 (Hereinafter, simply referred to as "the above document") and the like.

In order to use the pressure compensation device attached to the gas meter, information about the measurement environment of the gas meter must be input to the pressure compensation device.

This input operation is performed after the notebook computer and the warm-compensation device are connected by wire.

However, the gas meter is installed at various positions such as the floor, the wall, and the ceiling, and is installed in a narrow space which is generally difficult to access by the operator.

Therefore, it is difficult for an operator to connect the pressure compensation device and the notebook through a cable. In addition, where the worker must carry the laptop by hand, it is difficult to work with the weight of the laptop. In addition, due to the limitation of the cable length, it is also difficult for the operator to carry out work in a convenient place away from the pressure compensating device.

SUMMARY OF THE INVENTION The present invention has been proposed in order to solve the above-mentioned problems, and it is an object of the present invention to provide a communication system for a pressure compensation device, which enables communication between a USB Bluetooth module and a smart device installed in a pressure- .

According to an aspect of the present invention, there is provided a communication system for a pressure compensation apparatus, comprising: a gas meter for calculating a city gas consumption; A pressure correction device mounted on the gas meter for correcting an error of the gas meter; A USB Bluetooth module mounted on a communication port of the pressure compensation device; And a smart device that transmits and receives data through the wireless communication network with the USB Bluetooth module, wherein the USB Bluetooth module controls the temperature of the gas, the pressure of the gas, the non-corrected instantaneous flow rate, the non- A correction coefficient, and a compression coefficient to the smart device via the wireless communication network, and the USB Bluetooth module transmits information for modifying at least one of the information to the wireless communication network And transmits the information to the pressure correction device. The pressure correction device uses the information transmitted from the USB Bluetooth module to measure the temperature of the gas used in the gas meter, the pressure of the gas, At least one of an instantaneous flow rate, a non-static flow amount, a corrected production amount, a correction coefficient, and a compression coefficient is corrected.

According to the present invention, the USB Bluetooth module and the smart device installed in the pressure compensation device can transmit and receive data through the wireless communication network. Accordingly, the user can easily manage the plurality of pressure compensating devices using the USB Bluetooth module and the smart device.

1 is a block diagram of a communication system for a pressure compensation apparatus according to an embodiment of the present invention.
BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a pressure-
3 is a diagram illustrating an internal configuration of a USB Bluetooth module applied to a communication system for a pressure compensation apparatus according to the present invention.
4 is a flowchart showing a method of communication in a communication system for a pressure compensation apparatus according to the present invention.
FIG. 5 is a view showing various examples including service apps output on a display of a smart device applied to a communication system for a pressure compensation device according to the present invention. FIG.
FIG. 6 is an exemplary view showing a display of a smart device in which the service application shown in FIG. 5 is executed. FIG.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

2 is a view showing various examples of a pressure compensation apparatus applied to a communication system for a pressure compensation apparatus according to the present invention. FIG. 2 is a diagram illustrating an internal configuration of a USB Bluetooth module applied to a communication system for a pressure compensation device according to the present invention.

1, a communication system for a pressure compensation apparatus according to the present invention includes a gas meter 40, a pressure correction device 30 mounted on the gas meter 40, And a smart device 10 for communicating with the USB Bluetooth module.

First, the gas meter 40 is divided into a membrane meter, a rotary meter, and a turbine meter. In most gas meters 40, a pressure compensation device 30, which is an electronic device, is detachably or integrally attached to estimate the gas rate.

Second, the pressure compensation device 30 measures the temperature and the pressure of the gas flowing in the pipe, converts the volume and the flow rate of the gas delivered from the gas meter 40 by using the standard temperature and pressure It is a device.

The pressure correction device 30 stores the temperature, pressure, non-corrected momentary flow rate, non-static flow rate, corrected production amount, correction coefficient, compression coefficient, and the like of the measured gas. The storage of the information is stored in units of hours, days, months, and years, and all values must be input in accordance with the respective environments at the time of starting the pressure correction apparatus 30.

The pressure compensation device 30 can be divided into a separate type which is installed after the gas meter 40 is installed, and an integral type which is integrally attached to the gas meter.

2 (a) shows a pressure compensating device 30 which is detachably installed in the film meter 40, and FIG. 2 (b) shows a pressure compensating device 30 shows a turbocompressor 40 and a turbocompressor 40. The turbocompressor 30 includes a turbocompressor 40 and a turbocompressor 40. The turbocompressor 30 includes a turbocompressor 40, .

The pressure correction device uses the information transmitted from the USB Bluetooth module 20 to calculate the temperature of the gas used in the gas meter, the pressure of the gas, the non-corrected instantaneous flow rate, the non-static flow rate, It is possible to correct at least one of the compression coefficients.

Third, the smart device 10 inputs information necessary for the warming-up correction device 30 or reads and outputs the information stored in the warming-up correction device 30.

As described above, the pressure compensating device 30 stores the temperature, pressure, non-corrected instantaneous flow rate, non-static flow rate, corrected production amount, correction coefficient, compression coefficient, and the like of the measured gas. Further, at the initial operation of the pressure compensation device 30, all values must be inputted in accordance with the respective environments.

The smart device 10 communicates with the USB Bluetooth module 20 mounted on the warming correction device 30 through a wireless communication network to transmit various information to the warming correction device 30, And receives and outputs various kinds of information stored in the correction device 30.

The smart device 10 may be a smart phone or a tablet PC in which a program necessary for communicating with the USB Bluetooth module 20 may be installed.

Fourth, the USB Bluetooth module 20 communicates with the smart device 10 through a wireless communication network to transmit information stored in the warming-up correction device 30 to the smart device 10, And transmits the information transmitted from the device 10 to the pressure correction device 30. [

The USB Bluetooth module 20 communicates with the smart device 10 through a wireless communication network to transmit information stored in the gas meter 40 to the smart device 10, And transmits the information transmitted from the device 10 to the gas meter 40.

That is, the USB Bluetooth module 20 is connected to the communication port of the gas meter 40 or the pressure correction device 30, and transmits data from the gas meter 40 or the pressure correction device 30 Receives the setting value of the gas meter (40) or the pressure correction device (30) from the smart device (10), and transmits the set value to the gas meter (40) or the pressure correction device (30).

To this end, the USB Bluetooth module 20 also communicates with the gas meter or the pressure correction device 30.

The USB Bluetooth module 20 may be embedded in the gas meter 40 or the pressure compensating device 30 or may be embedded in the gas meter 40 or the communication device of the pressure compensating device 30, Can be mounted to the meter (40) or the pressure compensation device (30).

The USB Bluetooth module 20 may include a communication unit 21, an input unit 23, a storage unit 24, an output unit 25, and a control unit 22, as shown in FIG.

The communication unit 21 communicates with the smart device 10 through the wireless communication network and can also communicate with the control unit of the gas meter 40 or the control unit of the warming- In this case, the communication unit 21 can also communicate with the control unit of the gas meter 40 or the control unit of the pressure correction unit 30 via a wireless communication network.

Information necessary for driving the USB Bluetooth module 20 may be input through the input unit 23 and information necessary for driving the USB Bluetooth module 20 may be stored in the storage unit 24. [ And the functions performed by the USB Bluetooth module 20 may be output through the output unit 25. [ However, at least one of the input unit 23, the storage unit 24, and the output unit 25 may be omitted.

The control unit 22 controls at least one of the functions of the communication unit 21, the input unit 23, the storage unit 24, and the output unit 25.

FIG. 4 is a flowchart illustrating a method of performing communication in a communication system for a pressure-compensation apparatus according to the present invention, FIG. 5 is a flowchart illustrating a method of transmitting a service application output to a display of a smart device applied to a communication system for a pressure- And FIG. 6 is an exemplary view showing a display of a smart device in which the service app shown in FIG. 5 is executed.

As shown in Fig. 4, the communication method of the communication system for a pressure compensation apparatus according to the present invention is a communication method in which a service application (hereinafter simply referred to as a "service application") for a pressure compensation apparatus is executed in the smart device 10 A step S302 of establishing communication between the smart device 10 and the USB Bluetooth module 20 and a communication between the smart device 10 and the USB Bluetooth module 20, 10 and the USB Bluetooth module 20 send and receive data.

<1. Service application installation phase>

For execution of the present invention, the service application is transmitted to the smart device 10 requesting the service application.

The smart device 10 may be, for example, a smart phone. The smart phone refers to an intelligent terminal that adds a computer support function such as internet communication and information search to a mobile phone, and can install an application desired by a user. However, the smart device 10 is not limited to the smartphone. Accordingly, the communication system and method for a pressure compensation apparatus according to the present invention described below can be equally applied to various terminals performing functions similar to those of a smartphone.

The user can visit various web sites through the smart device 10 to retrieve various information, as well as download the service application, which is applied to the communication method for the pressure compensation device according to the present invention, from the application store, Bar and functions.

Here, the application store is a place where the service application can be downloaded. The application store stores various kinds of apps including the service application. When a download request is received from the smart device 10, And transmits the service application to the smart device 10.

The app store is a term used in the abbreviation of 'Application Store'. It is a term used for a mobile application (such as a calendar management, address book, alarm, calculator, game, video, internet access, music reproduction, navigation, Mobile contents (software) marketplace "that allows consumers to freely buy and sell content applications (apps) such as mobile phones, mobile phones, and accelerators.

The app store transmits the service app sent from a server (not shown) managed by the service app to the smart device 10. Thus, substantially, the service app is transmitted from the server to the smart device 10. [ FIG. 5 shows a state in which the service application 11 is installed in the smart device 10.

&Lt; 2. Data transmission / reception step (S304) >

The present invention allows the smart meter 10 to communicate with the gas meter 40 or the pressure compensating device 30 through the USB Bluetooth module 20. In particular, . Hereinafter, for the sake of convenience, a system in which the warming-up correction device 30 and the smart device 10 perform wireless communication through the USB Bluetooth module 20 will be described as an example of the present invention.

According to the present invention, the smart pressure device 30 and the smart device 10 connected to the gas meter 40 can perform wireless communication using the USB Bluetooth module 20.

The USB Bluetooth module 20 is a device capable of bidirectional wireless communication, and can use, for example, bluetooth.

The USB Bluetooth module 20 may be embedded in the on-pressure assurance device 30 or may be mounted on a USB terminal of the on-pressure compensating device 30. [

According to the present invention, the USB Bluetooth module 20, which is a USB Bluetooth module for small-size wireless communication, is connected to the pressure compensation device 30. The service application capable of performing wireless communication with the USB Bluetooth module 20 is installed in the smart device 10 such as a smart phone or a PDF or a notebook computer.

According to the present invention, a user who wants to store various data in the temperature correction device (30) or a user who wants to receive various data from the temperature correction device (30) It is possible to efficiently carry out operations such as bar operation.

For example, in the past, prior work such as cable connection and computer operation was required. However, according to the present invention, by using the USB Bluetooth module 20 mounted on the pressure compensating device 30 via the USB Bluetooth module 20 or the USB terminal built in the pressure compensating device 30, Data transmission / reception is performed between the temperature correction device 30 and the smart device 20 via a wireless communication network.

Accordingly, the time required for the operation using the conventional notebook computer and the wired communication network is saved several times. In addition, according to the present invention, a user can easily perform a desired operation if he / she has only the small USB Bluetooth module 20 and the smart device 10.

The USB Bluetooth module 20 and the smart device 10 are easy to carry.

In order to perform wireless communication between the USB Bluetooth module 20 installed in the communication port of the temperature compensation device 30 and the smart device 10 such as a smart phone, a PDF, a notebook computer, The USB Bluetooth module 20 must read data and transmit it to the smart device 10 wirelessly. Also, the USB Bluetooth module 20 must transmit data through an opposite path.

To this end, the USB Bluetooth module 20 must be equipped with a program for allowing the USB Bluetooth module 20 to perform wireless communication, in particular, a program for performing bidirectional communication. The program may be stored in the storage unit 24.

The smart device 10 transmits information for matching the environment of the gas meter 40 and the environment of the pressure correction device 30 to the pressure correction device 30 through the USB Bluetooth module 20 And the data stored in the pressure correction device 30 can be received through the USB Bluetooth module 20, analyzed, output, or stored.

Conventionally, a user connects a computer to a pressure compensation device attached to a gas meter, and then uses the computer to check detailed information of the pressure compensation device, or to obtain reference information, an alarm, a compression ratio, . In this case, wired communication was performed via RS232.

Thus, in order to make measurements on the pressure compensating devices installed in various places, the user had to carry a computer and a cable. As a result, the operation was not smoothly performed.

However, according to the present invention, a user can manage a plurality of temperature correction devices 30 while carrying only the smart device 10 and the small USB Bluetooth module 20 which are easy to carry.

The USB Bluetooth module 20 collects data such as reference information and alarms, compression ratios, pulse values, current values and the like of the temperature correction device 30 from the pressure correction device 30 and transmits them to the smart device 10 As shown in Fig.

In order for the USB Bluetooth module 20 to transmit and receive data, the USB Bluetooth module 20 includes an RS232 communication port that can be connected to the pressure compensating device 30, A communication circuit 21 composed of an antenna, a printed circuit board on which a central processing unit (controller) 22 for processing collected information is mounted, and a battery (not shown) for supplying power for driving the USB Bluetooth module 20 (Power supply unit), and the like.

The storage unit 24 of the USB Bluetooth module 20 may be provided with software that can perform data modulation and IP search functions necessary to collect data of the pressure correction device 30 and transmit the data to the smart device Program) is stored. The storage unit 24 of the USB Bluetooth module 20 is also connected to the communication unit 21 through a software program ) Is stored.

As described above, the USB Bluetooth module 20 includes a 232 serial communication IC for RS232 communication with the gas meter 40 or the pressure compensating device 30, and a USB communication module for performing bidirectional wireless communication with the smart device 10 And the communication unit 21 including an antenna for transmitting the data.

The USB Bluetooth module 20 is a memory for storing data transmitted and received by communicating with at least one of the gas meter 40, the pressure compensating device 30 and the smart device 10, that is, And a storage unit 24.

The USB Bluetooth module 20 includes a power supply unit configured of a battery that supplies power necessary for driving the USB Bluetooth module 20. [ A 3.6-volt special battery may be used for the battery. The 3.6 Volt power source applied to the battery is turned down to a constant voltage (3.0 to 3.3 volts) which the stray elements constituting the USB Bluetooth module 20 can stably use through the DC / DC converter.

The USB Bluetooth module 20 includes a DC / DC Convert IC for converting signals and the controller 22 for controlling all signals and commands transmitted and received from the USB Bluetooth module 20.

As described above, the smart device 10 must be equipped with the service application 11 as shown in FIG. 5. When the service application 11 is executed, a screen as shown in FIG. And output through the display of the smart device 10.

The service application 11 may be developed using XML and JAVA API provided by Android.

The service application 11 receives basic data of the pressure correction device 30 through the USB Bluetooth module 20 and reads the data.

As shown in FIG. 6, the screen output by the service application 11 includes a product information window for outputting product information of the warming-up correction device 30, a pulse for reading and inputting information on the pulse, A reading and input window, an integrated value reading and input window for reading and inputting the accumulated value, a date and time setting window for setting the date and time, a compression rate capable of inputting and outputting information about compression rate and pulse output And a pulse output input window, an RS 485 protocol setting window for setting the RS 485 protocol, and the like.

That is, the service application outputs the product information of the pressure compensation device through the product information window, allows the user to read and input information about the pulse through the pulse reading and input window, and displays the integrated value reading and input window Allows the user to read and input the accumulated value, allows the user to set the date and time through the date and time setting window, and allows the user to input and output information about the compression rate and pulse output through the compression rate and pulse output input window And allows the user to configure the RS 485 protocol via the RS 485 protocol settings window.

A communication method between the USB Bluetooth module 20 and the smart device 10 will be briefly summarized as follows.

First, when a communication request is received from the smart device 10, the smart device 10 searches the USB Bluetooth module 20.

Next, the smart device 10 confirms the ID of the searched USB Bluetooth module 20.

In this case, the ID of the warming-up correction device 30 to which the USB Bluetooth module 20 is connected can be confirmed, or the ID of the USB Bluetooth module 20 and the ID of the warming- It may be confirmed together.

Next, the smart device 10 registers the identified ID.

Next, the smart device 10 connects the USB Bluetooth module 20 with the wireless communication.

Next, the smart device 10 waits to transmit and receive data from the USB Bluetooth module 20.

Next, when the USB Bluetooth module 20 transmits data received from the pressure correction unit 30 to the smart device 10, the smart device 10 decodes the data.

Next, the smart device 10 outputs the data through a screen as shown in FIG. The user confirms the data.

Next, the user inputs data to be transmitted to the pressure correction device 30 through the smart device 10.

Next, the smart device 10 transmits the input data to the USB Bluetooth module 20.

Next, the USB Bluetooth module 20 transmits the data received from the smart device 10 to the warming-up correction device 30.

Next, the pressure correction device 30 stores data received from the USB Bluetooth module 20.

Finally, the pressure correction apparatus 30 is driven using the stored data.

The Bluetooth wireless signal generated by the smart device 10 is transmitted to the USB Bluetooth module 20 via the antenna mounted on the USB Bluetooth module 20. [

The USB Bluetooth module 20 reads the data received from the smart device 10 from the warming compensation device 30 and transmits the communication related to the serial communication of the warming correction device 30 Converts it into serial data in accordance with a value such as a speed, a data bit, and a parity bit, and transmits the serial data to the pressure correction device 30 through the RS232 serial communication port.

The data of the pressure correction device 30 is transmitted to the smart device 10 through a process opposite to the above process.

The smart device 10 reads the received data and outputs it to the screen of the smart device 10.

The user can process the data on the screen using the output screen, and then take necessary measures.

It will be understood by those skilled in the art that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive. The scope of the present invention is defined by the appended claims rather than the detailed description and all changes or modifications derived from the meaning and scope of the claims and their equivalents are to be construed as being included within the scope of the present invention do.

10: Smart device 20: USB Bluetooth module
30: Pressure compensating device 40: Gas meter

Claims (2)

A gas meter for calculating city gas consumption;
A pressure correction device mounted on the gas meter for correcting an error of the gas meter;
A USB Bluetooth module mounted on a communication port of the pressure compensation device; And
And a smart device for transmitting and receiving data through the wireless communication network with the USB Bluetooth module,
Wherein the USB Bluetooth module transmits at least one of the temperature of the gas, the pressure of the gas, the non-corrected instantaneous flow rate, the non-static oil production amount, the corrected production amount, the correction coefficient and the compression coefficient transmitted from the pressure correction device to the wireless communication network To the smart device,
Wherein the USB Bluetooth module receives information for modifying at least one of the information from the smart device through the wireless communication network and transmits the information to the warming-
The pressure correction device uses the information transmitted from the USB Bluetooth module to calculate the temperature of the gas used in the gas meter, the pressure of the gas, the non-corrected instantaneous flow rate, the non-static flow rate, the corrected product flow rate, Correct at least one,
The smart device is equipped with the USB Bluetooth module and a service application capable of performing communication via the wireless communication network,
The service application outputs the product information of the pressure compensation device through the product information window, and can read and input information about the pulse through the pulse reading and input window. The integrated value is read through the integrated value reading and input window You can set the date and time through the date and time setting window. You can input and output the compression rate and pulse output information through the compression rate and pulse output input window. The RS 485 protocol setting window And a function of setting an RS 485 protocol through the communication network.

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Publication number Priority date Publication date Assignee Title
KR102298952B1 (en) * 2020-06-29 2021-09-08 (주)바른기술시스템 Wireless remote meter reading system and control method using active reed sensor

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
다음 블로그, "우리원컴,와이파이 장착 온압보정기 개발, 보급에 들어가", 2015년 2월 6일(URL : http://blog.daum.net/kjwrone/12)*
조선비즈닷컴, "‘도시가스 스마트그리드 사업단’ 오는 11월 가스앱 정식버전 출시", 2014년 10월 29일(URL : http://biz.chosun.com/site/data/html_dir/2014/10/29/2014102901146.html)*

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