JP2009205292A - Alarm-ready system meter - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To decide and notify whether CO generation is caused by gas equipment or equipment except gas by monitoring presence/absence of gas use and a signal from a CO alarm having a communication means. <P>SOLUTION: When receiving the signal from the CO alarm 30, the presence/absence of a use amount of the gas is decided, is output to an external communication means 40 in gas unused time to perform communication to the outside, to perform display on a home display 38, or to output a signal such that special notification sound different from an alarm when detecting abnormality is raised to an alarm. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to an apparatus for performing a measure for preventing an accident in cooperation with a gas meter that measures a flow rate of gas used and an abnormality alarm installed indoors.

  Conventionally, as this type of alarm device compatible system meter, for example, the one described in Patent Document 1 has been known. The configuration will be described below with reference to FIG.

  As shown in FIG. 13, the gas meter 1 includes an integration display unit 2, a metering unit 3, and a flow rate sensor 4. The integrated display unit 2 displays a count (integrated display) of the flow rate of gas supplied from a gas container (not shown) as a gas supply source to a gas appliance (not shown). The integration display unit 2 is connected to the flow sensor 4 via the measuring unit 3.

  The gas meter 1 is connected to a shutoff valve 5 that shuts off the gas supply from the gas container to the gas appliance, a terminal block 7 to which the gas leak alarm 6 is connected, and a transmission controller (NCU) 8 by closing the valve. Terminal block 9.

  The NCU 8 is connected to a telephone line network through a telephone line, and a modem (not shown) for communicating with a remote management center and a telephone line are connected between the subscriber telephone and the gas meter 1. An automatic switching device (not shown) for switching is provided.

  Further, the gas meter 1 includes a control circuit 10. The control circuit 10 includes a microcomputer (μCOM) 11 that is a main control unit, a battery 12 that functions as an operation power supply, an interface 13, and the like. Here, ROM is a read-only memory for storing programs, fixed data, etc., 15 is a central processing unit (CPU) 15 for performing various processing operations in accordance with the programs stored in ROM 14, and 16 is used for processing in CPU 15. The RAM is a readable / writable memory having a work area to be processed and a data storage area for storing processing calculation results. Further, the pulse output end of the flow sensor 4, the control end of the shut-off valve 5, the terminal blocks 7 and 9, etc. are connected to the interface 13 described above.

In the above configuration, the CPU 15 in the gas meter 1 detects the gas flow rate flowing from the gas container to the gas appliance, integrates the detected gas flow rate to detect the gas usage, and the gas leak alarm 6 When a gas leak is detected, the NCU 8 is controlled to perform a gas leak notification process for reporting the gas leak to a remote management center.
Japanese Patent No. 3976624

  However, in the conventional configuration, the gas is shut off based on the gas leak detection information of the gas leak alarm. However, when gas is not used, for example, when CO is generated using petroleum equipment, etc. There was a problem that nothing was done.

  The present invention solves the above-mentioned conventional problems, monitors signals from a CO alarm device equipped with communication means and the presence / absence of gas use, and determines whether CO is generated by gas equipment or equipment other than gas. An object of the present invention is to provide a system meter corresponding to an alarm device configured to notify.

  In order to solve the above-described conventional problems, an alarm-compatible system meter according to the present invention communicates information with at least one of a fire alarm, a gas alarm, and a CO alarm having a communication means. A communication unit, a gas meter having an external communication unit capable of communicating with the outside, an identification unit for identifying a signal of the alarm device, and a treatment selection unit for the gas meter to select a treatment in accordance with an identification result from the identification unit When the signal from the CO alarm device is received, the treatment selection means determines the presence or absence of the amount of gas used, and outputs to the external communication means when the gas is not used to communicate with the outside. Or a signal that emits a special notification sound different from the alarm at the time of abnormality detection is output to the alarm device.

  As a result, even if CO is generated by a device other than gas, it is possible to prevent serious accidents by promptly responding to the outside or notifying home residents, thereby improving safety. be able to.

  When receiving the abnormality detection signal from the CO alarm device, the alarm corresponding system meter of the present invention determines whether or not the amount of gas used is generated, and if the amount of gas used is generated, The gas supply is cut off by the shut-off valve after judging that it is being used, and if no gas consumption is generated, it is judged that a device other than gas, for example, oil-fueled equipment is being used. Because CO generation information is reported to the outside via communication means, CO generation abnormalities of appliances with combustion are detected using the communication function of the CO alarm device and gas meter regardless of fuel, and the outside or at home By notifying a person, a quick accident can be prevented, so that a serious accident can be prevented in advance and safety can be improved.

  According to a first aspect of the present invention, there is provided communication means for communicating information with at least one of a fire alarm, a gas alarm and a CO alarm provided with communication means, and external communication means capable of communication with the outside. A gas meter comprising: an identification means for identifying a signal of the alarm device; and a treatment selection means for the gas meter to select a treatment according to an identification result from the identification means, the treatment selection means comprising a CO alarm device When the signal is received, the presence / absence of the amount of gas used is determined, and when the gas is not used, it is output to the external communication means to communicate with the outside.

  Thus, by notifying the outside that CO is generated by equipment other than gas, it is possible to prevent a serious accident in advance by being able to take a quick action, and safety can be improved.

  In the second invention, in particular, when the signal from the CO alarm is received by the treatment selection means of the first invention, it is determined whether or not the gas is used, and CO is generated in the home display device when the gas is not used. Is configured to output a signal for displaying.

  This makes it possible to prevent a serious accident by informing the home-career that CO is generated by a device other than gas, thereby improving safety.

  In the third invention, in particular, when the signal from the CO alarm device is received, the treatment selection means of the first invention determines the presence or absence of the amount of gas used. When the gas is not used, the fire alarm device, the gas The alarm device or the CO alarm device is configured to output a signal that emits a special notification sound different from the alarm at the time of abnormality detection to one or more alarm devices.

  As a result, it is possible to surely inform home residents that CO is generated by equipment other than gas, and it is possible to prevent serious accidents in advance by being able to take prompt action, thereby improving safety. Can be improved.

  In the fourth invention, in particular, the treatment selection means of the first invention is configured to output the installation location information of the alarm device included in the identification result from the identification means to the outside when performing the treatment.

  As a result, it is possible to identify where CO emissions from equipment other than gas are occurring, and to be able to reliably notify the outside, and to prevent serious accidents by taking appropriate measures, Safety can be improved.

  In the fifth invention, in particular, the treatment selection means of the first invention is configured to output a signal for displaying the installation location information of the alarm device included in the identification result from the identification means on the home display device when performing the treatment. It is what.

  As a result, it is possible to identify the location where CO is generated by equipment other than gas, and it is possible to surely inform the home of the location of occurrence and prevent serious accidents by taking appropriate measures. Can improve safety.

  In the sixth aspect of the invention, in particular, the treatment selection means of the first aspect of the invention is configured to add and output the device installation location information from the device having the communication means to the signal output when performing the treatment. is there.

  Thereby, it is possible to identify which device causes the CO generation, so that it is possible to know a reliable countermeasure, thereby preventing a serious accident and improving safety.

  A seventh invention is a program for causing a computer to function as all or part of the alarm meter-compatible system meter according to any one of the first to sixth inventions. And since it is a program, at least one part of the program of this invention is easily realizable using a general purpose computer or a server. Also, program distribution and installation can be simplified by recording on a recording medium or distributing a program using a communication line.

  The present invention can achieve the object of the present invention by making the main parts of the first to sixth inventions into embodiments, so the details of the embodiments corresponding to each claim will be described below with reference to the drawings. The description will be given with reference to the best mode for carrying out the present invention. Note that the present invention is not limited to the present embodiment. Further, in the description of each embodiment, the same configuration and the same function and effect are given the same reference numerals, and redundant description will not be given.

(Embodiment 1)
FIG. 1 is a block diagram of a system meter corresponding to an alarm device according to the first embodiment of the present invention, FIG. 2 is a block diagram of the system meter corresponding to the alarm device, FIG. 3 is a block diagram of a CO alarm device, and FIG. It is a flowchart which shows the determination processing at the time of CO generation | occurrence | production of the same alarm device corresponding system meter.

  1 and 2, the alarm-compatible system meter includes an ultrasonic flow rate measuring unit 18 as a flow rate measuring unit that measures the flow rate of the gas flowing through the flow path 17, and a gas blocking unit that blocks the gas when an abnormality is detected. Shutoff valve 19, communication means 20 for information communication with external information detection means, gas meter 21 provided with external communication means 40 for information communication with a remote management center, and notification means for detecting and notifying a fire 22 and a fire alarm 24 provided with a communication means 23, a gas alarm 27 provided with a notification means 25 and a communication means 26 for detecting and informing a combustible or toxic fluid, and carbon monoxide (hereinafter referred to as CO). And a CO alarm device 30 provided with a communication device 29, and at least one of the fire alarm device 24, the gas alarm device 27, and the CO alarm device 30. One or more alarm devices and to telecommunications, identified by the identification means 31 of the alarm, a gas meter 21 is configured to include a treatment selection means 32 for selecting a treatment in accordance with the identification result. Here, 33 is a gas water heater, gas cooker, gas fan heater and other gas equipment connected to the flow path 17, 34 is a non-gas equipment such as an FF oil heater and oil fan heater, and 38 is various information. Is an in-home display device.

  When the signal from the CO alarm device 30 shown in FIG. 3 is received, the ultrasonic flow rate measuring means 18 of the gas meter 21 instantaneously determines whether or not the gas is used, and it is determined that the gas is being used. For example, by immediately shutting off the gas, the gas can be shut off immediately, and a security process with improved safety can be performed. By using the ultrasonic flow rate measuring means 18, it is possible to instantaneously discriminate even when a low flow rate gas is used, and to quickly shut off the gas. Here, 36 is a CO sensor.

  The operation of the alarm-compatible system meter configured as described above will be described below with respect to determination when CO occurs.

  In FIG. 4, the treatment selection means 32 determines whether or not there is a signal from the CO alarm device 30 in step (hereinafter referred to as S) 1, and if there is a signal, the signal from the ultrasonic flow rate measurement means 18. In step S2, it is determined whether there is a gas flow rate. If there is a gas flow rate, the process proceeds to step S4. When there is no gas flow rate in S2, it is determined that CO is generated from a device other than gas, and information on the occurrence of CO from a device other than gas is reported to the management center through the external communication means 40 (S3). If there is a gas flow rate in S2, a shutoff output is made to the shutoff valve 19 (S4), the gas is shut off, and information on the occurrence of CO from the gas equipment is reported to the management center (S5).

  As described above, in the present embodiment, it is possible to prevent a serious accident beforehand by notifying the outside that CO is generated by a device other than gas, so that a serious accident can be prevented. Can be improved.

(Embodiment 2)
FIG. 5 is a flowchart showing a determination process when CO occurs in the alarm-compatible system meter according to Embodiment 2 of the present invention. A block diagram of the alarm-compatible system meter is the same as that in FIG. That is, the treatment selection means 32 stores a program for executing the control flow from S6 to S12 shown in FIG.

  In FIG. 5, the treatment selection means 32 determines whether there is a signal from the CO alarm device 30 (S6), and if there is a signal, determines whether there is a gas flow rate based on the signal from the ultrasonic flow rate measurement means 18. If there is a gas flow rate (S7), the process proceeds to S10. If there is no gas flow rate in S7, it is determined that CO is generated from a device other than gas, and information on the occurrence of CO from a device other than gas is sent to the management center through the external communication means 40 (S8). A signal for displaying the occurrence of CO from a device other than gas is output to the in-home display device 38. If there is a gas flow rate in S7, a shutoff output is made to the shutoff valve 19 (S10), the gas is shut off, information on the occurrence of CO from the gas equipment is sent to the management center (S11), and the in-home display device 38 is sent in S12 Outputs a signal indicating that CO has been generated from the gas equipment.

  As described above, in the present embodiment, it is possible to prevent a serious accident in advance by notifying a resident that CO is generated by a device other than gas, so that a serious accident can be prevented. Can be improved.

(Embodiment 3)
FIG. 6 is a flowchart showing a determination process when CO occurs in the alarm-compatible system meter according to Embodiment 3 of the present invention. A block diagram of the alarm-compatible system meter is the same as that in FIG. That is, the treatment selection means 32 stores a program for executing the control flow from S13 to S20 shown in FIG.

  In FIG. 6, the treatment selection means 32 determines whether there is a signal from the CO alarm device 30 (S13), and if there is a signal, determines whether there is a gas flow rate based on the signal from the ultrasonic flow rate measurement means 18. If there is a gas flow rate (S14), the process proceeds to S18. If there is no gas flow rate in S14, it is determined that CO is generated from a device other than gas, and information on the presence of CO generated from a device other than gas is sent to the management center through the external communication means 40 (S15). A signal for performing CO generation from equipment other than gas is output to the in-home display device 38, and a signal for performing special notification is output to each alarm device (S17). If there is a gas flow rate at S14, a shutoff output is made to the shutoff valve 19 (S18), the gas is shut off, information on the occurrence of CO from the gas equipment is sent to the management center (S19), and the home display device 38 is sent at S20. Outputs a signal indicating that CO has been generated from the gas equipment.

  As described above, in the present embodiment, it is possible to reliably notify home residents from many alarm devices that CO is generated by a device other than gas, and it is possible to promptly deal with serious accidents in advance. Can be prevented, and safety can be improved.

(Embodiment 4)
FIG. 7 is a flowchart showing a determination process when CO occurs in the alarm device corresponding system meter according to the fourth embodiment of the present invention, and FIG. 8 is a configuration diagram of location information of the alarm device that communicates when each alarm device is activated. A block diagram of the alarm-compatible system meter is the same as that in FIG. That is, the treatment selection means 32 stores a program for executing the control flow from S21 to S27 shown in FIG.

  In FIG. 7, the treatment selection means 32 determines whether or not there is a signal from the CO alarm device 30 (S21), and if there is a signal, determines whether or not there is a gas flow rate based on the signal from the ultrasonic flow rate measurement means 18. If there is a gas flow rate (S22), the process proceeds to S25. When there is no gas flow rate in S22, it is determined that CO is generated from a device other than gas, and the CO generation location is specified from the installation location information of the alarm device included in the signal from the CO alarm device 30 (S23). ). Information on the occurrence of CO from equipment other than gas and information on the location of CO occurrence are reported to the management center through the external communication means 40 (S24). If there is a gas flow rate in S22, a shutoff output is made to the shutoff valve 19 (S25), the gas is shut off, and the CO generation location is identified from the location information of the alarm device included in the signal from the CO alarm device 30. (S26). Then, the management center is notified of CO occurrence information and CO occurrence location information from the gas equipment (S27).

  In this embodiment, the CO occurrence has been described. However, the occurrence location can be more reliably specified by using the alarm location information even when the fire alarm 24 or the gas alarm 27 is activated. It becomes. Moreover, although it is the information regarding the direction of the installation location information of the alarm device in FIG. 8, in addition to the four directions of east, west, south, and north, for example, in the case of the northeast, the information can be obtained by setting the north and east information to 1. Eight directions can be represented without increasing, and the location can be specified in more detail.

  As described above, in the present embodiment, it is possible to identify where CO generation by equipment other than gas occurs, and to be able to reliably notify the outside, and to deal with serious accidents. Can be prevented and safety can be improved.

(Embodiment 5)
FIG. 9 is a flowchart showing a determination process when CO occurs in the alarm system counter according to the fifth embodiment of the present invention. A block diagram of the alarm-compatible system meter is the same as that in FIG. That is, the treatment selection means 32 stores a program for executing the control flow from S28 to S36 shown in FIG.

  In FIG. 9, the treatment selection means 32 determines whether or not there is a signal from the CO alarm device 30 (S28), and if there is a signal, determines whether or not there is a gas flow rate based on the signal from the ultrasonic flow rate measurement means 18. If there is a gas flow rate, the process proceeds to S33. If there is no gas flow rate in S29, it is determined that CO is generated from a device other than gas, and the CO generation location is identified from the installation location information of the alarm device included in the signal from the CO alarm device 30 (S30). ). Then, the management center is notified of the CO generation information and the CO generation location information from the equipment other than the gas through the external communication means 40 (S31), and the display with the CO generation from the equipment other than the gas and the CO is sent to the home display device 38 in S32. Outputs a signal to display the location. If there is a gas flow rate in S29, a shutoff output is made to the shutoff valve 19 (S33), the gas is shut off, and the CO generation location is specified from the location information of the alarm device included in the signal from the CO alarm device 30. (S34). Then, information on the occurrence of CO from the gas equipment and the information on the location where the CO has occurred is reported to the management center (S35), and a signal for displaying the occurrence of CO from the gas equipment and the CO occurrence location is output to the in-home display device 38 in S36. .

  As described above, in the present embodiment, it is possible to identify where CO generation by a device other than gas occurs, and to be able to reliably notify the home of the occurrence location and to be able to take appropriate measures. Therefore, serious accidents can be prevented and safety can be improved.

(Embodiment 6)
FIG. 10 is a flowchart showing a determination process when CO occurs in the alarm-compatible system meter according to the sixth embodiment of the present invention, FIG. 11 is a block diagram of a gas device equipped with communication means and devices other than gas, and FIG. It is an installation place information block diagram of each apparatus which communicates with an alarm device corresponding system meter. A block diagram of the alarm-compatible system meter is the same as that in FIG. That is, the treatment selection means 32 stores a program for executing the control flow from S37 to S45 shown in FIG.

  In FIG. 10, the treatment selection means 32 determines whether or not there is a signal from the CO alarm device 30 (S37), and if there is a signal, determines whether or not there is a gas flow rate based on the signal from the ultrasonic flow rate measurement means 18. If there is a gas flow rate (S38), the process proceeds to S42. If there is no gas flow rate in S38, it is determined that CO is generated from a device other than gas, and the CO generation location is specified from the alarm location information included in the signal from the CO alarm 30 (S39). ). In S40, the device installation location information from the gas device 33 and the non-gas device 34 is compared with the CO generation location specified in S39 to determine whether there is a matching device, and the matching device is a CO generating device. (S41). If there is a gas flow rate at S38, a shutoff output is made to the shutoff valve 19 (S42), the gas is shut off, and the CO generation location is specified from the location information of the alarm device included in the signal from the CO alarm device 30. (S43). In S44, device installation location information from the gas device 33 and the non-gas device 34 is compared with the CO generation location specified in S43 to determine whether there is a matching device, and the matching device is a CO generation device. (S45).

  In the present embodiment, the identification of the CO generating device has been described. However, even when the device cannot be identified, that is, when there is no device at the CO generating location, there is a movable device such as an oil fan heater. By performing processing such as reporting the CO occurrence location information to the management center and displaying it on the home display device, it is possible to ensure the safety equivalent to or higher than the conventional one. In addition, by adding the device operation information to the device installation location information, it is possible to specify the CO generating device more accurately.

  As described above, according to the present embodiment, it is possible to identify a device that generates CO, so that it is possible to prevent a serious accident in advance by knowing a reliable countermeasure. Can be improved.

  As described above, the alarm-compatible system meter according to the present invention can identify the location where an abnormality has occurred based on the installation location information of not only a CO alarm device but also a fire alarm device and a gas alarm device. It can also be applied to the occurrence of abnormal conditions.

Configuration diagram of an alarm-compatible system meter in Embodiments 1 to 6 of the present invention The block diagram of the alarm corresponding system meter in Embodiment 1-6 of this invention The block diagram of the CO alarm device in Embodiment 1-6 of this invention The flowchart which shows the determination processing at the time of CO generation | occurrence | production of the alarm meter corresponding system meter in Embodiment 1 of this invention. The flowchart which shows the determination processing at the time of CO generation | occurrence | production of the alarm meter corresponding system meter in Embodiment 2 of this invention. The flowchart which shows the determination processing at the time of CO generation | occurrence | production of the alarm device corresponding system meter in Embodiment 3 of this invention. The flowchart which shows the determination processing at the time of CO generation | occurrence | production of the alarm meter corresponding system meter in Embodiment 4 of this invention. Installation location information configuration diagram of alarm device in Embodiment 4 of the present invention The flowchart which shows the determination processing at the time of CO generation | occurrence | production of the alarm meter corresponding system meter in Embodiment 5 of this invention. The flowchart which shows the determination processing at the time of CO generation | occurrence | production of the alarm device corresponding system meter in Embodiment 6 of this invention. The block diagram of gas equipment provided with the communication means in Embodiment 6 of this invention, and equipment other than gas Configuration location information configuration diagram of each device that communicates with the alarm-compatible system meter according to Embodiment 6 of the present invention Block diagram of a conventional flow measurement device

Explanation of symbols

17 Flow path 18 Ultrasonic flow rate measurement means 19 Shut-off valve 20, 23, 26, 29, 37, 39 Communication means 21 Gas meter 22, 25, 28 Notification means 24 Fire alarm 27 Gas alarm 30 CO alarm 31 Identification means 32 Treatment selection means 33 Gas equipment 34 Equipment other than gas 38 Home display device 40 External communication means

Claims (7)

  A communication unit that communicates information with at least one of a fire alarm device, a gas alarm device, and a CO alarm device that includes a communication unit; and a gas meter that includes an external communication unit capable of communicating with the outside; An identification means for identifying a signal of the alarm device, and a treatment selection means for the gas meter to select a treatment according to the identification result from the identification means, the treatment selection means has received a signal from a CO alarm device In this case, the alarm-compatible system meter is configured to determine whether or not the amount of gas used is present and to output to the external communication means when the gas is not used and communicate with the outside.   The treatment selection means, when receiving a signal from the CO alarm device, determines the presence or absence of the amount of gas used, and outputs a signal indicating CO generation on the home display device when the gas is not used. The alarm-compatible system meter according to claim 1.   When the signal from the CO alarm is received, the treatment selection means determines whether or not the gas is used. When the gas is not used, one or more of a fire alarm, a gas alarm, and a CO alarm The alarm-compatible system meter according to claim 1 or 2, wherein a signal that emits a special notification sound different from an alarm when an abnormality is detected is output to the alarm device.   The alarm according to any one of claims 1 to 3, wherein the treatment selection means outputs the installation location information of the alarm device included in the identification result from the identification means when performing the treatment to the outside. System meter.   The treatment selection means outputs a signal for displaying on the in-home display device information on the location of the alarm device included in the identification result from the identification means when performing the treatment. System meter for alarm devices described in the section.   The treatment selection unit adds the device installation location information from the device equipped with the communication unit to the signal output when performing the treatment, and outputs the added signal. Alarm meter system meter.   A program for causing a computer to function as all or a part of the alarm meter-compatible system meter according to claim 1.

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