JPH09180084A - Load survey meter system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a load survey meter system which obtains load survey information of high precision and is simple in data processing. SOLUTION: When gas equipments 13 (13-1 to 13-n) start or stop operating, radio equipments 17 (17-1 to 17-n) on the sides of the gas equipments 13 send operation state information to a radio equipment 15 on the side of a microcomputer meter 3. The radio equipment 15 on the side of the microcomputer meter 3 receives the operation state information sent from the radio equipments 17 and sends it to the microcomputer meter 3. The microcomputer meter 3 generates gas consumption information from the amount of used gas passing through the microcomputer meter 3 and records the operation state information and gas consumption information at previously set intervals of time. The recorded operation state information and gas consumption information are sent to a center 11.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a load survey meter system using wireless communication.

[0002]

2. Description of the Related Art Conventionally, when carrying out a load survey, a gas meter measures an integrated gas flow rate at a sampling interval as short as possible to calculate an instantaneous gas usage amount at a sampling timing. Then, based on the type of gas equipment and the characteristic gas usage pattern that were examined in advance, the gas equipment used was identified at the sampling timing (or specified time region), and the amount of gas used by that gas equipment was estimated. It was used as load survey data for each gas equipment.

[0003]

However, in such a method, since the gas equipment to be used is specified from the total flow rate of the gas passing through the gas meter and the gas use pattern data for each gas equipment is estimated, the accuracy of It was difficult to obtain high data with high reliability. In particular, when a large number of gas appliances are connected, or when a gas appliance in which the amount of gas used is not constant is operated in a complicated pattern, the reliability of data is significantly reduced.

Further, even when relatively reliable data can be obtained, it is necessary to shorten the sampling interval for measurement in order to improve the accuracy, so that the required amount of data memory becomes huge and the data The collection interval had to be shortened, and the overall work load was large and complicated.

Furthermore, it has been difficult to capture the operating status of the gas equipment as data because of the problem of the wall and distance between the gas meter and the gas equipment and the aesthetics.

The present invention has been made in view of such a problem, and an object thereof is to provide a load survey meter system in which highly accurate load survey information can be obtained and data processing is simple. is there.

[0007]

In order to achieve the above-mentioned object, the present invention is installed in at least one gas equipment in a system in which a center and a microcomputer meter are connected by a public line. The wireless communication device includes a wireless device group that transmits operating condition information and a wireless device that is installed in the microcomputer meter and that receives operating condition information transmitted from the wireless device group. The microcomputer meter measures the gas usage amount. However, the load survey meter system is characterized in that the gas usage amount information and the operation status information are sent to the center.

[0008]

BRIEF DESCRIPTION OF THE DRAWINGS FIG.
Embodiments will be described in detail. FIG. 1 is a schematic configuration diagram of a load survey meter system according to an embodiment of the present invention. As shown in FIG. 1, a microcomputer meter 3 is installed in the customer 1, and the microcomputer meter 3 is connected to a T-NCU 5 (network control device). T-NCU5 is public line 7
Is connected to the C-NCU 9 (network control unit) via the, and the C-NCU 9 is connected to the center 11.

The customer 1 has a plurality of gas appliances, for example, a stove 13-1, an FF air conditioner 13-2, ..., A water heater 1.
3-n are installed. The wireless device 15 is installed in the microcomputer meter 3, and includes a stove 13-1, an FF air conditioner 13-2, ...
Radios 17-1, 17-2, ... Are installed in each.

For example, the radio device 17-1 is connected to a signal line taken out from the operation circuit of the stove 13-1, and the state of this signal line is monitored to judge whether the operation of the stove 13-1 is started or stopped. When the state of the stove 13-1 has changed, the operating condition information 21 is sent to the wireless device 15 on the microcomputer meter 3 side by radio. Similarly, the other radios 17-2, ... Send the operation status information 21 of the gas equipment in which the radios 17-2 ,.

FIG. 2 is a format diagram of the operation status information 21. As shown in FIG. 2, the operation status information 21 includes gas equipment ID 23, ON / OFF information 25, and gas usage information 2
Consists of seven. The gas equipment ID 23 corresponds to each gas equipment 13
It is an ID number assigned to. The ON / OFF information 25 is information indicating whether the gas equipment 13 is operating or stopped, and the gas usage information 27 is information such as “strong”, “medium”, and “weak”. For example, it indicates that the vehicle is being driven “strong”.

The radio 15 on the side of the microcomputer meter 3 receives the operation status information 21 from the radio 17 on the side of each gas device 13 and sends the operation status information 21 to the microcomputer meter 3.

The microcomputer meter 3 measures the gas usage amount passing through the microcomputer meter 3 to create gas usage amount information, and the operation status information 21 and the gas usage amount information are set at preset time intervals along with the operation status. Information 21 and gas usage information (load survey information) are sent to the center 11.

Next, the procedure for sending the load survey information to the center 11 will be described with reference to the flowcharts of FIGS. FIG. 3 is a flowchart showing the operation of the wireless device 17 on the gas equipment 13 side, and FIG. 4 is a flowchart showing the operation of the microcomputer meter 3 and the wireless device 15.

First, as shown in FIG. 3, each gas device 13
Radio 1 connected to the signal line extracted from the driving circuit of
When the gas equipment 13 starts or stops the operation (step 301), the operation number 7 sends the operation status information 21 to the wireless device 15 on the microcomputer meter 3 side (step 302). That is,
The radio 17 is connected to the radio 1 on the side of the microcomputer meter 3 every time the operation of the gas equipment 13 is switched on and off.
5, the driving status information 21 is transmitted. When the gas appliance 13 continues to operate or stops (step 30
1), the radio 17 on the gas equipment 13 side is the gas equipment 13
Wait while monitoring.

Next, as shown in FIG. 4, the wireless device 15 on the side of the microcomputer meter 3 receives the operation status information 21 sent from the wireless device 17 on the side of each gas device 13 in step 302 of FIG. 3 ( (Step 401), the operation status information 21 is sent to the microcomputer meter 3.

On the other hand, the microcomputer meter 3 creates gas usage amount information from the gas usage amount obtained from a flow meter (not shown) inside the microcomputer meter 3 (step 402), and operates at preset time intervals. The status information 21 and the gas usage information are recorded (step 403). Then, the recorded operation status information 21 and gas usage amount information are sent to the center 11 (step 404).

As described above, according to the present embodiment, since the usage status and gas usage of the gas equipment 13 are used as the load survey data, the accuracy and reliability of the data are high. Further, there is no need to perform complicated data processing such as estimating the operated gas equipment 13 from the total gas usage.

[0019]

As described above in detail, according to the present invention, it is possible to provide a load survey meter system in which highly accurate load survey information is obtained and data processing is simple.

[Brief description of the drawings]

FIG. 1 is a schematic configuration diagram of a load survey meter system according to an embodiment of the present invention.

FIG. 2 is a format diagram of the operation status information 21.

FIG. 3 is a flowchart showing the operation of a radio device 17 on each gas device 13 side.

FIG. 4 is a flowchart showing the operation of the microcomputer meter 3 and the wireless device 15.

[Explanation of symbols]

 1 ... Consumer 3 ... Micrometer 5 ... T-NCU 7 ... Public line 9 ... C-NCU 11 ... Center 13 ... Gas equipment 15 ... Radio 17 ……… Radio device 21 ………… Operation status information 23 ………… Gas equipment ID 25 ………… ON / OFF information 27 ………… Gas usage information

Claims (3)

[Claims] 1. In a system in which a center and a microcomputer meter are connected by a public line, at least one gas device is installed in each, and a group of radios transmitting operation status information of each gas device, and installed in the microcomputer meter. And a wireless device that receives operating status information transmitted from the wireless device group, wherein the microcomputer meter measures a gas usage amount and sends the gas usage amount information and the operating status information to a center. Load survey meter system characterized by. 2. The operation status information includes an ID number of a gas appliance, on / off information of the gas appliance,
The load survey meter system according to claim 1, further comprising gas usage information. 3. The load survey meter system according to claim 1, wherein the wireless device group transmits the operation status information every time the on / off state of operation of the installed gas equipment is switched.