KR101192745B1 - Wireless remote telemeter reading system - Google Patents

Abstract

PURPOSE: A wireless remote inspection system is provided to organize a wireless network itself by utilizing position information to wireless network configuration. CONSTITUTION: A measuring part(10) measures used amount of a meter(20) and transfers measuring data to outside. The measuring part has a unique ID(Identification). A failure sensing part(30) senses the failure of the measuring part and transfers failure data and the unique ID of the measuring part to outside. A metering part(50) obtains the measuring data, the failure data, and the unique ID and transfers the data to outside. A server(70) receives the data transferred from the measuring part and the metering part and calculates charge data corresponding to the received measuring data. The server transfers separate ordered contents to the metering part. [Reference numerals] (10) Measuring part; (20) Meter; (30) Failure sensing part; (50) Metering part; (70) Server

Description

Wireless remote meter reading system {WIRELESS REMOTE TELEMETER READING SYSTEM}

The present invention relates to a wireless remote meter reading system. More specifically, the present invention can determine the cause of the failure and the location of the failure as soon as the failure occurs, it is possible to facilitate the maintenance by mounting the location information to all the meter and repeater used in the wireless meter network, The present invention relates to a wireless remote meter reading system that can improve efficiency in organizing a wireless network by using location information in configuring a wireless network.

In general, urban-based essential facilities are electricity, water, gas and the like. These facilities are installed in homes, offices, etc. and used by residents, and each administrative agency collects a fee for each usage, and maintains and repairs each facility and uses it as a necessary resource.

At this time, the bill is collected by meter readers who visit each home, building, etc., and visually check and record the amount of usage displayed on each meter.

However, in some houses, the meter may be installed inside the house, and when the meter reader visits the house, the meter should be entered into the house under the permission of the owner, so there is a problem that the meter cannot be read when the owner is absent. In addition, there has been a problem in the loss of the meter reading data and the reliability of the data created and collected by the meter reader.

In addition, when the owner permits the meter to be read in the house, the water meter is buried underground because the water line is buried underground, and the water meter is also buried underground and protected by a cover. Since it is wired into a house, it is placed under the eaves of the house or at a high position. Therefore, there is an inefficient problem in that each house visits one by one, the cover is opened, the meter is read, and the high position meter requires a lot of time and a large number of manpower.

In addition, in the case of apartments, since each of the improvers are regularly arranged in the corridor, the meter readers can read the meter relatively conveniently, but this also has a cumbersome problem of checking the apartments directly with the naked eye while moving up and down the apartments of high floors.

In order to improve such a problem, there has been proposed an auto meter for reading the metering information of the conventional meter and transmitting the metered information to the outside.

Such a related art is an integrated control unit which generates metering data by a pulse signal provided from an electronic flow meter and performs control for transmitting metering data through a wireless channel at a predetermined date and time, and metering data by control from the controller. And a radio frequency unit for transmitting the meter reading data read from the memory to the auto gate through a dedicated channel under the control of a controller.

However, the prior art does not grasp from the outside as soon as a failure occurs, there was a problem that the charge collection is not made accurately.

In addition, according to the prior art, in searching for a communication path between each device constituting the metering system to detect the signal strength and the like to attempt to communicate with the device that sends the strongest signal, or by setting to communicate only with a preset repeater There is a problem in that a lot of effort must be put into management and maintenance because work must be done when adding or changing a wireless network. If a signal temporarily unexpectedly arrives far away, it is difficult to predict which repeater to select, which makes it difficult to deal with communication failures.

In addition, for the equipment management, the installation information of each equipment must be managed by document or DB when installing. If the installation information is wrong, it is difficult to determine the installation location, which may cause problems in maintenance.

The present invention is to provide a wireless remote meter reading system that can identify the cause of the failure and the location of the failure as soon as the failure occurs.

In addition, not only can the location information be installed on all the meter and repeater used in the wireless meter network, but also the maintenance can be facilitated, and the efficiency of organizing the wireless network by using the location information in the wireless network configuration can be improved. It is a technical problem to provide a wireless remote meter reading system.

In addition, in searching for the communication path between the devices constituting the metering system, the search is performed including the distance calculated using the location-based coordinates as well as the signal strength, so that a repeater with a short distance among the devices having good signal strength can be selected. It is therefore a technical problem to provide a wireless remote meter reading system that can not only efficiently use a communication network but also facilitate the maintenance of the entire system.

Wireless remote meter reading system according to the present invention for solving this problem is to use the power applied, to measure the amount of use of the meter and to transmit the measured data to the outside, a measuring unit having a unique ID, and the measuring unit A failure detection unit for detecting the presence of a failure and transmitting the detected failure data and the ID of the measurement unit to the outside, a reading unit and the measurement unit for acquiring the measurement data, failure data and ID, and transmitting the acquired data to the outside; And a server for receiving data transmitted from the meter reading unit, calculating bill data corresponding to the received measurement data, and transmitting a separate instruction to the meter reading unit, wherein the meter reading unit has a radio signal strength of a predetermined level or more. Among the repeaters having the server and the server through the relay located closest to the most based on the location information of the meter reading unit and It is characterized in that the communication.

In the wireless remote meter reading system according to the present invention, the measuring unit transmits to the outside a weighing value measuring unit for measuring the amount of use of the meter, a memory for storing the measured value of the weighing value measuring unit, and the measured value stored in the memory. And a power supply for supplying power to the measurement communication unit and the measured value measuring unit.

In the wireless remote meter reading system according to the present invention, the failure detection unit is a power detection unit for detecting the interruption of the power supply, a measurement value detection unit for detecting an abnormality of the measured value measured by the measurement unit, and the measurement unit Shock detection unit for detecting an external shock applied, fault communication unit for transmitting information on the failure detection detected in the power detection unit, measured value detection unit and the impact detection unit and the power detection unit, measured value detection unit And an ID provider for providing an ID of the measurement unit to the failure communication unit when a failure occurs in the shock detection unit.

In the wireless remote meter reading system according to the present invention, the measured value sensing unit, a change value sensing unit for detecting no change and over-change of the measured value of the measuring unit, a count unit for counting the detection time of the change value sensing unit; A time comparison unit for setting a counting time of the counting unit, a clock generation unit for providing time to the counting unit, a time determining unit for determining a counting time of the counting unit, and a change value of the change value sensing unit A comparison value setting unit for setting a value, a change value comparison unit for comparing a change value and a comparison value by determination of the time determining unit, and an abnormality determination unit for determining whether an abnormality is determined by comparison of the change value comparison unit; It is done.

In the wireless remote meter reading system according to the invention, the counting time of the time setting unit is characterized in that more than 1 hour 48 hours or less.

In the wireless remote meter reading system according to the present invention, the meter reading unit communication with the measurement unit, the failure detection unit and the server, and the communication state of the measurement unit, the failure detection unit and the server communicated through the meter communication unit A communication status display unit for displaying, a measurement value display unit for displaying the ID and the measured value of the measurement unit, a fault display unit for displaying the fault location of the fault detection unit and the ID of the measurement unit, and instructions to be transmitted from the server are displayed. An indication content display unit, a map display unit for displaying the position of the ID displayed on the fault display unit, a reading unit position display unit for displaying the current position of the meter reading unit, and an artificial satellite to provide a current position to the meter reading unit display unit And a map manager for providing a map image to the GPS communication unit and the map display unit.

In the wireless remote meter reading system according to the present invention, the meter reading unit detects repeaters having a wireless signal strength of a predetermined level or more, and selects a repeater located at the shortest distance based on the position information of the meter reading unit among the found repeaters. It is characterized in that the communication with the server.

In the wireless remote meter reading system according to the present invention, the meter reading unit is an area setting unit for setting an area on the map display unit, a search unit for searching the measurement unit corresponding to the area set by the area setting unit and the search unit It further comprises a selection unit for selectively displaying the measurement units retrieved by the.

In the wireless remote meter reading system according to the present invention, the meter reading unit is a search display unit for displaying the total number of the measurement unit corresponding to the area set by the area setting unit and a communication display unit for displaying the total number of the measurement unit communicating with the meter communication unit It characterized in that it further comprises.

In the wireless remote meter reading system according to the present invention, the server is a server communication unit for communicating with the measurement unit, the failure detection unit and the meter reading unit, a rate calculation unit for calculating the charge by receiving the measurement value of the measurement unit, the failure detection unit GPS communication module for determining the location, the location of the meter reading unit, a map program module for displaying the location of the fault detection unit and the meter reading recognized by the GPS communication module, the meter reading unit communicated by the server communication unit Command instruction unit for transmitting an instruction content, server memory for storing the calculated fee data and fault location, and input the personal information of the occupant installed in the measurement unit and stored in the server memory, if the position of the failure detection unit command instruction unit Characterized in that it comprises a personal information management unit for interlocking with personal information.

In the wireless remote meter reading system according to the present invention, the server manages the mobile phone number of the meter reading unit SMS text service unit and the SMS text service unit to send a text message to the mobile phone possessed by the commander indicating instructions It further comprises a phone number management unit.

According to the present invention, there is an effect that a wireless remote meter reading system that can determine the cause of the failure and the location of the failure as soon as the failure occurs.

In addition, not only can the location information be installed on all the meter and repeater used in the wireless meter network, but also the convenience of maintenance can be enhanced, and the efficiency of organizing the wireless network by using the location information in the wireless network configuration is improved. It is effective.

In addition, in searching for the communication path between the devices constituting the metering system, the search is performed including the distance calculated using the location-based coordinates as well as the signal strength, so that a repeater with a short distance among the devices having good signal strength can be selected. As a result, not only can the communication network be efficiently used, but the maintenance of the entire system can be facilitated.

1 is a block diagram of a wireless remote meter reading system according to an embodiment of the present invention.
FIG. 2 is a block diagram illustrating a measuring unit of FIG. 1.
3 is a block diagram illustrating a failure detection unit of FIG. 1.
4 is a block diagram illustrating a measured value detector of FIG. 3.
5 is a diagram illustrating an example of the configuration of the meter reading unit of FIG. 1.
FIG. 6 is a diagram illustrating an ID and a measurement value of the measurement unit displayed on the meter reading unit of FIG. 5.
FIG. 7 is a diagram illustrating an ID of a measurement unit in which a failure displayed on the reading unit of FIG. 5 is detected.
FIG. 8 is a diagram illustrating measurement units communicating with the meter reading unit of FIG. 5 through a map;
9 is a block diagram illustrating a server of FIG. 1.

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

As shown in Figure 1, the embodiment of the present invention uses a power source applied from the outside, measures the amount of use of the meter 20 and transmits the measured data measured to the outside, having a unique ID ( 10) and the failure detection unit 30 for detecting the failure of the measurement unit 10 and transmitting the detected failure data and the ID of the measurement unit 10 to the outside, and obtaining the measurement data, the failure data and the ID, Receives the meter reading unit 50 for transmitting the acquired data to the outside, the data transmitted from the measuring unit 10 and the meter reading unit 50, calculates the charge data corresponding to the received measurement data, and separate instructions It includes a server 70 for transmitting the contents to the meter reading unit 50, the meter reading unit 50 is configured to communicate with the server 70 via a relay located closest to the most based on its location information.

Here, the measuring unit 10 may be implemented as an auto meter or an auto gate capable of measuring the improved value of the improver 20. In addition, the measuring unit 10 may be provided and used as much as the number of the meter 20 in a house or an office. In addition, the meter 20 may be a water meter, electric meter, gas meter, hot water meter, heating meter. In this case, the measurement units 10 installed in each may be given a unique ID, and may be identified by the given ID.

At this time, the ID may be made of an address of a house, and may be made of an apartment name, a town, and a lake. In addition, it may be composed of separate letters and numbers.

In addition, in one building or apartment, the plurality of measuring units 10 and the failure detecting unit 30 used in each home or office may be connected to one repeater (not shown). That is, by using a repeater, the meter reader can easily read the meter without going up or down the building or apartment.

On the other hand, the failure detection unit 30 can transmit the presence or absence of the failure of each measurement unit 10, at this time, the failure measurement unit 10 can be easily identified by the unique ID.

In addition, the meter reading unit 50 may be implemented as a PDA, such as easy to carry a meter reader. In addition, the meter reading unit 50 may wirelessly communicate with the measuring unit 10, the failure detecting unit 30, and the server 70 to receive or transmit data.

In addition, the server 70 is installed in the central control center (not shown) that manages the meter reader, and can transmit the instructions to the meter reader 50 separately.

In addition, the measurement unit 10, the failure detection unit 30 and the meter reading unit 50 and the server 70 can be easily communicated through a plurality of two-way repeater (not shown) installed in each region.

In particular, the meter reading unit 50 is configured to communicate with the server 70 via a repeater located at the shortest distance based on the position information of the meter reading unit among the repeaters having a wireless signal strength of a predetermined level or more.

This will be described in more detail as follows.

That is, the meter and repeater are designed to organize the network configuration by themselves, and the repeater periodically transmits its own number, coordinates, and time information. The meter reader selects the most appropriate repeater based on the information of the outgoing signal of the repeater, the signal strength, and its position coordinate. This is done during the initial startup of the equipment and can be configured to be performed intermittently to cope with if a new repeater is built nearby.

For example, a PDA or laptop computer equipped with a GPS receiver can be used to input position coordinates and other setting values when the meter and repeater are installed, and the meter reads its position coordinates in addition to the meter reading and the state of the meter. The control center, which transmits the included data and collects the meter readings, is equipped with a GIS geographic information system, and may be configured to display the installation location in addition to the collected meter readings. According to this, in consideration of the installation location, the control center can be linked with the geographic information system for underground buried water pipes, gas pipes, etc., and thus can be used to determine the location of the leak pipe.

According to such a configuration, not only the location information is installed on all the meter and repeaters used in the wireless meter network, but also for the convenience of maintenance, the efficiency of organizing the wireless network by using the location information in the wireless network configuration is high. There is an effect to be uplifted.

In addition, in searching for the communication path between the devices constituting the metering system, the search is performed including the distance calculated using the location-based coordinates as well as the signal strength, so that a repeater with a short distance among the devices having good signal strength can be selected. As a result, not only can the communication network be efficiently used, but the maintenance of the entire system can be facilitated.

As shown in FIG. 2, the measuring unit 10 includes a weighing value measuring unit 11 measuring the amount of use of the meter 20, and a memory 13 storing the measured value of the weighing value measuring unit 11. ), A measurement communication unit 15 for transmitting the measured value stored in the memory 13 to the outside, and a power supply unit 17 for supplying power to the measured value measuring unit 11.

Here, the measured value measuring unit 11, the memory 13, the measuring communication unit 15, and the power supply unit 17 may be controlled by the measurement control unit 19.

In addition, the weighing value measuring unit 11 may be connected to the meter 20 to be manually or automatically interlocked to measure the value measured by the meter 20. In this case, the measured value may be converted into an analog signal measured by an A / D converter (not shown). In addition, an ID may be stored in the memory 13.

In addition, the measurement communication unit 15 may be provided with a respective antenna to transmit the measurement data to the outside through radio frequency (RF) communication, code division multiple access (CDMA), wireless LAN, wireless Internet, and the like. Accordingly, the measurement unit 10 may wirelessly transmit data to the meter reading unit 50 and the server 70. In this case, the measurement communication unit 15 may include a GPS antenna 12 to transmit its location to the outside.

In addition, the power supply unit 17 may be implemented as a power source or a battery (not shown) applied from the outside. Here, the switching switch for switching the power to automatically supply the power of the battery to the weighing value measuring unit 11 by detecting it when the supply of the external power supplied to the weighing value measuring unit 11 is interrupted by a power failure. 17a may be further provided. Therefore, even if the main power is cut off by the switching of the transfer switch 17a, the measurement unit 10 may be operated by the battery power.

And, as shown in Figure 3, the failure detection unit 30 is a power detection unit 31 for detecting the interruption of the power supply and a measurement value detection for detecting the abnormality of the measured value measured by the measurement unit 10 The failure detected by the unit 33, the shock detection unit 35 for detecting the external shock of the measurement unit 10, the power detection unit 31, the measured value detection unit 33 and the impact detection unit 35 Information of the measurement unit 10 to the failure communication unit 37 when a failure occurs in the failure communication unit 37 and the power detection unit 31, the measured value detection unit 33, and the impact detection unit 35 which transmit the status to the outside. It may include an ID provider 39 for providing.

Here, the power detector 31, the measured value detector 33, the shock detector 35, the fault communication unit 37, and the ID provider 39 may be controlled by the fault controller 34. In this case, the failure communication unit 37 may use the measurement communication unit 15, or may be implemented in the same configuration as the measurement communication unit 15. In addition, the ID provider 39 may provide an ID stored in the memory 13.

In addition, the power detection unit 31 may be implemented as a sensor for detecting the power (current or voltage) of the power of the power supply unit 17 or the battery. In addition, the measured value detector 33 may determine whether the measured value is abnormal by detecting a fluctuation range. In addition, the shock detection unit 35 may be implemented as a sensor for detecting a shock (vibration) generated when forcibly opening a case or the like protecting the meter 20. In addition, when a failure occurs by the ID providing unit 39, the meter reading unit 50 and the server 70 may recognize the failure of the specific measuring unit 10.

As shown in FIG. 4, the measured value detector 33 includes a change value detector 33a for detecting no change and an excessive change of the measured value of the measurer 10, and a change value detector 33a. A counting unit 33b for counting the sensing time of the counter), a time setting unit 33c for setting the counting time of the counting unit 33b, a clock 33d for providing time to the counting unit 33b, and a count A time determining unit 33e for determining the counting time of the unit 33b, a comparison value setting unit 33f for setting a comparison value to be compared with the change value of the change value detecting unit 33a, and a time determining unit 33e The change value comparison unit 33g for comparing the change value and the comparison value at the judgment of a) and the abnormality determination unit 33h for determining whether or not the abnormality is determined by comparing the change value comparison unit 33g.

Here, if the change value does not occur for a predetermined time in the change value detecting unit 33a, it may be determined as abnormal. In addition, if a large change value lasts for a predetermined time, it may be determined to be abnormal. In the comparison value of the comparison value setting unit 33f, it is preferable that the average value of the usage amount for one month or one year used by the user is set as the comparison value.

In this way, if the change value is irregular and occurs irregularly, it may be regarded as an abnormality, that is, carelessness in use of a user living in a house or an office, or as an abnormality (failure) of the meter 20, the measuring unit 10, or the like. Can be. Therefore, when the abnormality is transmitted to the meter reading unit 50, the meter reading member who has the meter reading unit 50 may visit the house or office where the abnormality is transmitted and directly confirm.

Therefore, the meter reader may check the meter 50 and visit only the house or office where the abnormality occurs, and confirm the abnormality, and may correctly calculate the use state of the resident. At this time, if there is no usage due to the health problems of residents, the resident may contact the nearest hospital to take action, the present invention is very useful for use in a house where people with disabilities or the elderly living alone.

In addition, the user may release the detection of the measurement value detection unit 33 by using the release unit 33i connected to the measurement value detection unit 33. That is, when the user does not want to detect the measurement value detector 33, the detection unit 33 may release the detection using the release unit 33i.

The counting time of the time setting unit 33c is preferably 1 hour to 48 hours. That is, if the counting time is sensed for more than 1 hour and less than 48 hours, if the user's health problems occur, the user can take immediate action before the stool. In addition, when the user has traveled for a long time, the use of the release unit 33i does not transmit the abnormality of the failure detection unit 30 to the meter reading unit 50 and the server 70 even when the user is away for a long period of time.

5 to 8, the meter reading unit 50 includes a meter reading unit 51 communicating with the measuring unit 10, the failure detecting unit 30, and the server 70, and a meter reading communication unit 51. Measurement to display the communication state of the measurement unit 10, the failure detection unit 30 and the server 70 communicated through the communication state display unit 53, and the measurement of the ID and the measured value of the measurement unit 10 is displayed The value display unit 55, the fault display unit 57 in which the fault position of the fault detection unit 30 and the ID of the measurement unit 10 are displayed together, and the instruction content display unit in which the instruction contents transmitted from the server 70 are displayed. (59), a map display unit 52 for displaying the position of the ID displayed on the fault display unit 57 on a map, a meter reading unit position display unit 54 for displaying the current position of the meter reading unit 50, and a meter reading unit The GPS communication unit 56 may communicate with the satellite to provide the current location to the location display unit 54, and the map manager 58 may provide a map image to the map display unit 52.

For example, the meter reading unit 51 primarily searches for repeaters having a wireless signal strength of a predetermined level or more, and among the secondly found repeaters, the repeater located at the shortest distance based on the position information of the meter 50. May be configured to communicate with server 70 by selecting.

Also, for example, the meter reading unit 50 may be implemented as PDA (Personal Digital Assistants). The meter reading unit 50 further includes a battery display unit 52 for displaying a state of charge of a battery (not shown) for supplying driving power.

In addition, the meter reader may act according to the instructions transmitted from the server 70 through the instruction display unit 59. That is, the meter reader may check the instruction of the center through the meter reading unit 50 even when the server 70 is not visited to the center where the server 70 is installed and perform a task accordingly.

Then, the measured value measured by the measuring unit 10 together with the address which is the ID of the measuring unit 10 through the measured value display unit 55 is displayed numerically, and the failure detection unit 57 detects the occurrence of a failure. While the unit 30 is displayed, the ID of the measurement unit 10 may be displayed together. Therefore, the meter reader can measure the measured value transmitted from the measuring unit 10 at a long distance, and can also check the failure position of the failure detecting unit 30 through the ID (address).

In addition, the map manager 58 may be embedded in the memory 58a as a map program for displaying a map image on the screen of the meter reading unit 50. In addition, the screen of the meter reading unit 50 may be implemented as a touch screen.

Therefore, the meter reader is displayed on the map when the failure of the measuring unit 10 through the meter reading unit 50, it is possible to easily determine the location of the failure. In addition, since their location is also displayed on the map, the meter reader can quickly access the fault location.

In addition, the meter reading unit 50 may include an area setting unit 50a for setting an area on the map display unit 52 and a search unit for searching the measurement units 10 corresponding to the area set by the area setting unit 50a. 50b and a selection unit 50c for selectively displaying the measurement units 10 searched by the search unit 50b.

Here, the area setting unit 50a may be implemented as a button provided in the case of the meter reading unit 50, or may be implemented as a separate fan mouse (not shown). That is, when a specific region (eg, Gongdeok 1-dong, Mapo-gu, Seoul) is input by using a button, the measurement units 10 corresponding to the region may be displayed on the screen. In this case, a specific area may be input more precisely by using the address number. In addition, an area may be set as a closed curve using a fan mouse on a map displayed on the screen. In addition, since the selection unit 50c may be implemented as a button, when the selected area is selected using the selection unit 50c, the measurement units 10 corresponding to the selected area may be displayed on the map. Therefore, the meter reader can easily grasp the measuring units 10 displayed on the map.

Then, the search display unit 50d for displaying the total number of the measurement units 10 corresponding to the area set by the area setting unit 50a, and the total of the measurement units 10 for communicating with the meter reading communication unit 51 are displayed. The communication display unit 50e may further include.

Here, when the total number of the measurement units 10 corresponding to the area selected by the search display unit 50d is displayed, and the total number of the measurement units 10 communicated in the area selected by the communication display unit 50e is displayed, the reader reads himself / herself. You can check the measuring unit 10 communicated in the position of. Therefore, referring to this, when the meter reader is moved to a position close to the communication unit 10 that is not communicated, the communication unit may communicate with the measurement unit 10 that was not communicated, so that the measurement values of the remaining measurement units 10 may be obtained.

And, as shown in FIG. 9, the server 70 measures the server communication unit 71 and the measurement unit 10 in communication with the measurement unit 10, the failure detection unit 30, and the meter reading unit 50. Charge calculation unit 73 for calculating the charge by receiving a value, the location of the failure detection unit 30, the GPS communication module 75 for identifying the position of the meter reading unit 50, and the GPS communication module ( Instructions are provided to the map program 77 for displaying the positions of the failure detection unit 30 and the meter reading unit 50 recognized through 75 and the meter reading unit 50 communicated by the server communication unit 71. The command instruction unit 79 for transmitting, the server memory 72 storing the calculated fee data and the fault location, and the personal information of the occupant in which the measurement unit 10 is installed are stored in the server memory 72, and the fault is stored. If the position of the sensing unit 30 is determined, the command instruction unit 79 may include a personal information management unit 78 for interlocking personal information.

Here, the server communication unit 71, the rate calculation unit 73, the GPS communication module 75, the map program 77, the command instruction unit 79 and the server memory 72 can be controlled by the server controller 74. have. In addition, since the positions of the fault detection unit 30 and the meter reading unit 50 recognized through the GPS communication module 75 are simultaneously detected, the control center instructs the meter reading close to the fault position to be confirmed through the command indicating unit 79. can do.

In addition, the server 70 may further include a bill output unit 76 for outputting a bill based on the calculated fee data.

On the other hand, the server 70 can be stored in the server memory 72 in association with the data of the failure detection unit 30 and the personal information corresponding thereto in advance. In this case, when a failure of the failure detection unit 30 occurs, personal information associated with the failure detection unit 30 may be transmitted to the meter reading unit 50 through the command indicating unit 79. Then, the meter reader can cope quickly with reference to the relevant hospital by referring to the age, age, pathological record, etc. of the residents living in the location of the failure detection unit 30 through the personal information.

Then, the server 70 manages the mobile phone number of the meter reader in the SMS text service unit 79a and the SMS text service unit 79a to transmit the instructions of the command instruction unit 79 to the mobile phone held by the meter reader. The telephone number management unit 79b may further include.

Here, if the mobile phone number of the meter reader in advance in the server memory 72 through the phone number management unit 79b, the instructions may be transmitted to the cell phone of the meter reader through the SMS text service unit 79a.

In this way, the present invention can easily grasp the fault location of the measuring unit 10 for measuring the improver 20.

As described in detail above, according to the present invention, there is an effect that a wireless remote meter reading system that can determine the cause of the failure and the location of the failure as soon as the failure occurs.

In addition, not only can the location information be installed on all the meter and repeater used in the wireless meter network, but also the convenience of maintenance can be enhanced, and the efficiency of organizing the wireless network by using the location information in the wireless network configuration is improved. It is effective.

In addition, in searching for the communication path between the devices constituting the metering system, the search is performed including the distance calculated using the location-based coordinates as well as the signal strength, so that a repeater with a short distance among the devices having good signal strength can be selected. As a result, not only can the communication network be efficiently used, but the maintenance of the entire system can be facilitated.

Although the preferred embodiments of the present invention have been disclosed for illustrative purposes, those skilled in the art will appreciate that various modifications, additions and substitutions are possible, without departing from the scope and spirit of the invention as disclosed in the accompanying claims. In addition, it is obvious that any person skilled in the art may make various modifications and imitations without departing from the scope of the technical idea of the present invention.

10: measuring unit
20: meter
30: failure detection unit
50: meter reading
70: server

Claims (11)

In a wireless remote meter reading system,
A measurement unit using an applied power source, measuring the amount of use of the meter and transmitting the measured measurement data to the outside, and having a unique ID;
A failure detection unit for detecting the failure of the measurement unit and transmitting the detected failure data and the ID of the measurement unit to the outside;
A meter reading unit for acquiring the measurement data, the fault data and the ID, and transmitting the acquired data to the outside; And
It comprises a server for receiving the data transmitted from the measuring unit and the meter reading unit, calculates the charge data corresponding to the received measurement data, and sends a separate instruction to the meter reading unit,
The meter reading unit is a wireless remote meter reading system, characterized in that for communicating with the server via a repeater located at the shortest distance based on the position information of the meter among the repeaters having a wireless signal strength of a predetermined level or more. The method of claim 1,
The measuring unit
A weighing value measuring unit measuring a usage amount of the meter;
A memory for storing measured values of the measured value measuring unit;
A measurement communication unit which transmits the measured value stored in the memory to the outside; And
And a power supply for supplying power to the measured value measuring unit. The method of claim 1,
The failure detection unit
A power detecting unit detecting an interruption of a power supply;
A measurement value detection unit for detecting an abnormality of the measurement value measured by the measurement unit;
An impact sensing unit for sensing an external impact applied to the measuring unit;
A fault communication unit for transmitting information on whether the fault is detected by the power detector, the measured value detector, and the shock detector to the outside; And
And an ID provider for providing an ID of the measurement unit to the failure communication unit when a failure occurs in the power detection unit, the measurement value detection unit, and the impact detection unit. The method of claim 3, wherein
The measured value detection unit
A change value detector for detecting no change in the measured value of the measurement unit and an over change;
A counting unit for counting a sensing time of the change value detecting unit;
A time setting unit for setting a counting time of the count unit;
A clock generator providing time to the count unit;
A time determining unit determining a counting time of the counting unit;
A comparison value setting unit for setting a comparison value to be compared with a change value of the change value detecting unit;
A change value comparison unit comparing the change value and the comparison value based on the judgment of the time determining unit; And
And an abnormality determination unit for determining whether or not an abnormality is determined by comparing the change value comparison unit. The method of claim 4, wherein
The counting time of the time setting unit is characterized in that more than 1 hour 48 hours or less, wireless remote meter reading system. The method of claim 1,
The meter reading unit
A meter communication unit communicating with the measurement unit, the fault detection unit, and the server;
A communication state display unit displaying communication states of the measurement unit, the fault detection unit, and the server communicated through the meter reading communication unit;
A measurement value display unit displaying an ID and a measurement value of the measurement unit;
A fault display unit displaying a fault location of the fault detection unit and an ID of the measurement unit;
An instruction display unit which displays an instruction transmitted from the server;
A map display unit displaying a location of the ID displayed on the fault display unit on a map;
A meter reading position display unit for displaying a current position of the meter reading unit;
A GPS communication unit communicating with the satellite to provide the current position to the meter reading unit display unit; And
And a map manager to provide a map image to the map display unit. The method according to claim 6,
The meter reading communication unit
And searching for repeaters having a wireless signal strength of a predetermined level or more, and selecting a repeater located closest to each other based on the location information of the meter reading unit from the found repeaters to communicate with the server. The method according to claim 6,
The meter reading unit
An area setting unit for setting an area in the map display unit;
A search unit for searching for measurement units corresponding to an area set by the area setting unit; And
And a selection unit for selectively displaying measurement units retrieved by the search unit. The method of claim 8,
The meter reading unit
A search display unit which displays a total of measurement units corresponding to the area set by the area setting unit; And
The wireless remote meter reading system further comprises a communication display unit for displaying the total of the measurement unit communicated with the meter communication unit. The method of claim 1,
The server
A server communication unit communicating with the measurement unit, the failure detection unit, and the meter reading unit;
A rate calculator which receives a measurement value of the measurement unit and calculates a rate;
A GPS communication module for identifying a location of the failure detection unit and a location of the meter reading unit;
A map program module for displaying a location of a failure detection unit and a reading unit recognized by the GPS communication module as a map;
A command instruction unit for transmitting instructions to a meter reading unit communicated by the server communication unit;
A server memory for storing the calculated fee data and fault location; And
And a personal information management unit for inputting personal information of the occupant of the measurement unit and storing the personal information in the server memory and interfacing the command instruction unit with the personal information when the location of the failure detection unit is determined. The method of claim 10,
The server
SMS text service unit to send a text message to the mobile phone carried by the meter reading instructions instructions; And
The SMS text service unit further comprises a phone number management unit for managing the mobile phone number of the meter reader, wireless remote meter reading system.

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