JP2002357468A - Gas shut-off device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a gas shut-off device capable of improving convenience by changing its gas shutoff date for allowing usage of gas at the date on which gas users frequency use gas. SOLUTION: When a shutoff event occurs at a predetermined date or at a time point with an allowable time against a dangerous condition in a shutoff event occurrence part 1, a control part 3 inputs a time obtained from a clock part 4 to a shutoff setting date holding part 5 for obtaining a shutoff date, and gas is shut off by means of a gas shutoff part 2 when the date in the clock part 4 matches with the shutoff date.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a gas shut-off device for ensuring safety in using gas.

[0002]

2. Description of the Related Art A conventional gas shut-off device of this type is shown in FIG.
A functional block diagram as shown in (a diagram showing a sixth embodiment of the present invention is taken into consideration) is provided. In this figure, a shut-off event generating unit 1 has a function of generating an event for shutting off gas, a gas shut-off unit 2 has a function of shutting off gas, and a control unit 3 controls the operation of the gas shut-off device 11. It has a function of controlling the gas and shutting off the gas by the gas shut-off unit 2 when the event of shutting off the gas occurs in the shut-off event generation unit 1.

[0003] The shut-down event generator 1 generates a shut-down event at a time when there is a certain date or time for a dangerous state in the use of gas. Thus, the control unit 3 causes the gas blocking unit 2 to block the gas.

[0004]

In the above-described conventional gas shut-off device, when the shut-down event generating unit 1 generates a shut-down event, the control unit 3 immediately shuts off the gas by the gas shut-off unit 2. In other words, when a blocking event occurs, even if there is a certain date or time for dangerous situations,
Gas is shut off immediately when a shut-off event occurs, regardless of holidays or days of the week. Therefore, if the gas user becomes unable to use the gas until the gas maintenance company takes measures to use the gas, or if the gas user frequently uses the gas, such as during a time period, a holiday, or a day of the week, the gas user may not be able to use the gas. In some cases, the gas cannot be used, which causes inconvenience to the user of the gas.

The present invention solves the above-mentioned conventional problems. In the case where the event of interruption occurs with a certain date or time margin for a dangerous situation, , Due to the gas being not available suddenly during use by shutting off the gas outside the hours, holidays and days of the week when the gas maintenance company cannot take action, or by temporarily opening the gas (cancelling the gas shut-off) An object of the present invention is to provide a gas shut-off device that eliminates inconvenience.

[0006]

In order to achieve the above object, a gas shut-off device according to the present invention comprises a gas shut-off unit for shutting off a gas, a shut-off event generating unit for generating an event for shutting off a gas, Or a clock section that measures the date or day of the week,
A cutoff time and date to be input by inputting the time, date or day of the clock section, a cutoff time or a cutoff setting date and time holding section for outputting a cutoff date or a day of the week, and a clock when a cutoff event occurs in the cutoff event occurrence section. Time or date or day of the week from the department, and input the acquired time or date or day of the week into the block setting date and time storage section to obtain the block time or the block date or the day of the week. And a control unit for shutting off the gas by the gas shut-off unit when the cut-off time or the shut-off date or the shut-off day of the shut-off date and time storage unit is matched.

[0007] With this configuration, if the shutoff date and time stored in the shutoff setting date and time unit match the date and time of the clock unit after the shutoff event occurs in the shutoff event occurrence unit, the gas is shut off by the gas shutoff unit. Can be closed on days of the week, except during hours and holidays when maintenance can be carried out immediately, and when gas users frequently use gas,
Avoiding days of the week increases convenience for gas users.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention according to a first aspect of the present invention is directed to a gas shut-off unit for shutting off a gas, a shut-off event generating unit for generating a reason for shutting off a gas, and a clock unit for measuring time, date or day of the week. When the time, date or day of the clock section is inputted and the cutoff time or the cutoff date or the day of the week to output the cutoff date and time, and the cutoff setting date and time holding section, and when the cutoff event occurrence section causes a cutoff, The time, date, or day of the week is obtained from the clock section, and the obtained time, date, or day of the week is input to the block setting date and time storage section to obtain the block time, block date, or block day, and the time, date, or day of the clock section is obtained. When the day of the week coincides with the cut-off time or the cut-off date or the cut-off day of the cut-off set date and time holding unit, the control unit that cuts off the gas with the gas cut-off unit is provided. By ensuring that the gas is shut off at the cut-off time or date or day of the week if the user does not match the time or date or day of the week that the gas is used frequently, the gas maintainer will not interfere with the gas usage. Work can be performed quickly, and the gas users can avoid inconvenience to the gas users due to sudden gas shut-off at the time or on the date or day of the week when the gas users frequently use the gas.

According to a second aspect of the present invention, there is provided a gas shutoff unit for shutting off a gas, a shutoff event generating unit for generating an event for shutting off a gas, a clock unit for measuring time or date or day of the week, A cutoff date / time zone holding unit that holds a time zone, a date zone, or a day of the week, respectively, which is a range of a permitted time, a date, or a day of the week. A cut-off date and time and a cut-off set date and time holding unit that outputs a cut-off day, and obtains time or date or day of the week from the clock unit when a cut-off event occurs in the cut-off reason generating unit.
When the obtained time, date, or day of the week is included in the time, date, or day of the week of the shutoff date and time holding unit, the gas is immediately shut off by the gas shutoff unit, and the time, date, or day of the week is set to the shutoff date and time. If the time, date, or day of the week is not included in the time zone, date, or day of the week of the holding unit, the time, date, or day of the week is obtained from the clock unit. A control unit that acquires a shutoff date or a shutoff day, and shuts off gas at the gas shutoff unit when the time or date or day of the clock unit matches the shutoff time or the shutoff date or the shutoff day of the shutoff setting date and time holding unit. By providing gas, gas users frequently use the gas, or the time and date or day of the week, which is the range of the cutoff date and time (time zone or day Band or day of the week), safety is ensured by immediately shutting off the gas, while the gas is cut off at the same shut-off date and time as the invention according to claim 1 except for the shut-off date and time zone. By ensuring that gas is maintained, gas maintainers can work without disturbing the use of the gas, and if gas users frequently use the gas, Blocking can avoid inconveniencing the gas user.

According to a third aspect of the present invention, there is provided a gas shutoff unit for shutting off a gas, a shutoff event generating unit for generating an event for shutting off a gas, a clock unit for measuring time or date or day of the week, Opening permission date and time zone holding unit that holds the time zone, date zone, or day of the week that is the range of the time, date, or day of the week that is allowed to open, and the opening permission state or opening that allows the opening. The opening permission state holding unit that holds the unopening non-permission state, the opening reception unit that receives the opening after the interruption, and the time or date from the clock unit when the interruption event occurs in the interruption event occurrence unit. Or, when the acquired time, date, or day of the week is included in the time zone, date band, or day of the week of the opening permission date and time holding unit, the opening permission state holding unit stores the opening permission letter. When the time, date, or day of the clock section is not included in the time, date, or day zone of the opening permission date / time zone holding section, gas is shut off by the gas shut-off section. The state-holding unit holds the unplugging-non-permitted state to block the gas at the gas-blocking unit. And a control unit that does not release the shutoff of the gas shutoff unit if the opening of the gas shutoff unit is released, and the shutoff of the gas shutoff unit is released if the opening permission state holding unit holds the unopening prohibited state. By that
Even if the gas is shut off during a time zone that is not included in the time zone (time zone, date zone, or day of the week) that can be dispatched by the gas maintenance company, the current date and time of the clock section will be changed to the date and time of the opening permission date and time zone holding section. When the gas is included, the gas is stored in a state where opening is permitted, so that, for example, the gas user can release the shutoff of the gas according to an instruction from a gas maintenance company, and the date and time when the gas user frequently uses the gas can be released. In addition, since the stopper can be temporarily opened, it is possible to avoid inconvenience to the user of the gas due to sudden gas shutoff.

According to a fourth aspect of the present invention, in the third aspect of the present invention, there is provided a gas flow rate measuring unit for measuring a gas flow rate. Obtain the gas flow rate from the measuring unit, when the gas flow rate has changed from less than a specified flow rate to a specified flow rate or more,
The control unit obtains the time, date, or day of the week from the clock unit, and performs the same operation as described above to determine whether the gas is being used by the change in the specified flow rate from the gas flow rate measurement unit after the occurrence of the interruption event. If it is performed later and the opening is permitted, the gas can be temporarily released after being shut off, thereby effectively avoiding inconvenience to the user of the gas.

According to a fifth aspect of the present invention, there is provided a gas shutoff unit for shutting off a gas, a shutoff event generating unit for generating an event for shutting off a gas, a gas flow rate measuring unit for measuring a gas flow rate,
A clock section for measuring time, date, or day of the week, a cutoff date / time zone holding section for holding a time zone, a date zone, or a daytime zone, which is a range of time, date, or day of the week, respectively, for which shutoff is permitted; After the event of shutting down occurs, obtain the gas flow rate from the gas flow rate measurement unit, and when the gas flow rate changes from less than the specified flow rate to the specified flow rate or more, obtain the time or date or day of the week from the clock unit. A control unit that shuts off the gas with the gas shut-off unit when the acquired time, date, or day of the week is included in the time zone, date zone, or day zone of the shut-off date / time zone holding unit. After determining whether the gas is in use based on the change in the specified flow rate from the gas flow rate measurement unit after the occurrence, the current date and time are obtained from the clock unit, and the gas maintenance business is performed. There may shut off gas to the time zone can be dispatched or date or day band.

According to a sixth aspect of the present invention, there is provided a gas shutoff section for shutting off a gas, a shutoff event generating section for generating an event for shutting off a gas, a gas flow rate measuring section for measuring a gas flow rate,
After the reason for performing the cutoff occurs in the cutoff occurrence unit, a gas flow rate is obtained from the gas flow rate measurement unit, and when the gas flow rate becomes less than a prescribed flow rate, the gas is cut off by the gas cutoff unit. With the provision of the gas flow meter, after the occurrence of the shutoff event, the gas flow measurement unit determines that the gas flow has become less than the specified flow rate and the gas user determines that the gas has been used, and then the gas is cut off. It is possible to prevent the gas from suddenly becoming unusable while the user is using the gas.

[0014]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a functional block diagram of a gas shut-off device according to a first embodiment of the present invention.
FIG. 4 is a flowchart showing the operation of the gas shut-off device in the first embodiment.

In FIG. 1, reference numeral 11 denotes a gas shut-off device for measuring the amount of gas used, monitoring the gas usage, and shutting off the gas in the event of an abnormality. Reference numeral 1 denotes a shut-off event generating unit that generates an event for shutting off a gas when there is a certain date or time for a dangerous state in the use of gas. There are a leak state for detecting gas leak, a gradually decreasing battery voltage state, and a state before the expiration of the certification as a gas safety shut-off device.
Reference numeral 2 denotes a gas shut-off unit that shuts off gas, and 3 denotes a control unit that controls the operation of the gas shut-off device 11. 2 to shut off the gas. Reference numeral 4 denotes a clock unit for measuring the current date and time, which holds, for example, year, month, day, hour, minute, second, and day of the week as the current date and time, and is sequentially updated in seconds. Reference numeral 5 denotes a cut-off setting date-and-time holding unit that outputs a cut-off time or a cut-off date or a cut-off day by inputting a time, a date, or a day of the week measured by the clock unit 4 after the cut-off event occurs in the cut-off event generating unit 1. It is. For example, the cut-off setting date and time holding unit 5
When a value such as "19:48" is input as the time, "10: 00: 0" which comes next is output as the cutoff time. If "December 31" is input as a date, "9:00:00" on January 4 after the New Year holiday is output as a cut-off date, and if "May 2" is input as a date, the cut-off date is input. "May 6, 9:00:00" after Golden Week is output. When "Saturday" is input as a day of the week, "Monday" is output as a cutoff day.

Next, the operation and operation of the control unit 3 of the gas shut-off device 11 will be described with reference to the flowchart of FIG.

In this flow chart, first, the interruption cause generating unit 1
Starts operation when an interruption reason occurs. Note that an example will be described in which the time of the current date and time (time or date or day of the week) is set as an input value, and the cutoff time is output as the cutoff date and time (cutoff time or date and day of the week).

Step 101 is a cut-off setting date and time holding section 5
In the process of acquiring the current time from which the interruption time is based on the clock unit 4, the process proceeds to step 102 after the time is acquired. For example, “19:48:39” is acquired as the time.

Step 102 is a process for obtaining a cutoff time. The cutoff time “10:00:00” for performing the next cutoff from the cutoff setting date and time holding unit 5 based on the time obtained in step 101.
Second ”, and the process proceeds to step 103.

Step 103 is a cut-off setting date and time holding section 5
In the process of acquiring the current time from the clock unit 4 in order to compare the current time with the cutoff time, the process proceeds to step 104 after acquiring the time.

In step 104, the current time is set to step 1
In the process of determining whether or not the cutoff time acquired at 02 is "10: 00: 00: 00", the process returns to step 103 if not, and proceeds to step 105 if it is.

Step 105 is a shutoff process, in which a shutoff command is output to the gas shutoff unit 2, the gas shutoff unit 2 shuts off the gas, and all the processes are terminated.

(Second Embodiment) FIG. 3 is a functional block diagram of a gas shut-off device according to a second embodiment of the present invention.
It is a flowchart which shows operation | movement of the gas shut-off apparatus in 2nd Example.

In FIG. 3, reference numeral 11 denotes a gas shut-off device for measuring the amount of gas used, monitoring the gas usage, and shutting down the gas in the event of an abnormality. Reference numeral 1 denotes a shut-off event generating unit that generates an event for shutting off a gas when there is a certain date or time for a dangerous state in the use of gas. There are a leak state for detecting gas leak, a gradually decreasing battery voltage state, and a state before the expiration of the certification as a gas safety shut-off device.
Reference numeral 2 denotes a gas shut-off unit that shuts off gas, and 3 denotes a control unit that controls the operation of the gas shut-off device 11. 2 to shut off the gas. Reference numeral 4 denotes a clock unit for measuring the current date and time, which holds, for example, year, month, day, hour, minute, second, and day of the week as the current date and time, and is sequentially updated in seconds. Reference numeral 5 denotes a cut-off setting date-and-time holding unit that outputs a cut-off time or a cut-off date or a cut-off day by inputting a time, a date, or a day of the week measured by the clock unit 4 after the cut-off event occurs in the cut-off event generating unit 1. It is. For example, the cut-off setting date and time holding unit 5
When a value such as "19:48" is input as the time, "10: 00: 0" which comes next is output as the cutoff time. If "December 31" is input as a date, "9:00:00" on January 4 after the New Year holiday is output as a cut-off date, and if "May 2" is input as a date, the cut-off date is input. "May 6, 9:00:00" after Golden Week is output. When "Saturday" is input as a day of the week, "Monday" is output as a cutoff day. Reference numeral 6 denotes a cut-off date and time holding unit for holding a time zone, a date zone, or a day of the week, which is a range of time in which shut-off is permitted, for example, as a time zone, a gas user does not use gas very frequently, The maintenance company is open for business
18:00 ”, the date zone is other than“ December 29-January 3 ”for the year-end and New Year holidays and“ August 14-16 ”for the Bon Festival. There are "Monday to Saturday" in the middle.

Next, the operation and operation of the control unit 3 of the gas shut-off device 11 will be described with reference to the flowchart of FIG.

In this flow chart, first, the interruption cause generating unit 1
Starts operation when an interruption reason occurs. Note that an example will be described in which the time of the current date and time (time or date or day of the week) is set as an input value, and the cutoff time is output as the cutoff date and time (cutoff time or date and day of the week).

Step 201 is a process for obtaining the current time from the clock unit 4 in order to perform a comparison process with the shut-off time zone of the shut-off date / time zone holding unit 6. After obtaining the time, the process proceeds to step 202. For example, “19:48:39” is acquired as the time.

Step 202 is a process for judging whether or not the time acquired in step 201 is included in the time zone "9:00 to 18:00" held in the cutoff date / time zone holding unit 6. The process proceeds to step 206, and if not included, the process proceeds to step 203.

Step 203 is a process for acquiring a cut-off time. Based on the time obtained in step 201, a cut-off time for the next cut-off is obtained from the cut-off date and time holding unit 5, and the process proceeds to step 204.

Step 204 is a block setting date and time holding section 5
In the process of acquiring the current time from the clock unit 4 in order to compare the current time with the cutoff time, the process proceeds to step 205 after acquiring the time.

In step 205, the current time is set in step 2
In the processing for determining whether or not they match the cutoff time acquired in step 03, if they do not match, the process returns to step 204, and if they match, the process proceeds to step 206.

Step 206 is a shutoff process in which a shutoff command is output to the gas shutoff unit 2, the gas shutoff unit 2 shuts off the gas, and all the processes are terminated.

As described in the first and second embodiments, it is determined whether the current time of the clock unit 4 matches the shut-off time of the shut-off date and time storage unit 5 (step 104 in the first embodiment).
In the second embodiment, in order to perform step 205), in addition to the method of holding the cut-off time and comparing the time with the time of the clock unit 4, the difference time from the current time to the cut-off time is held and counted by the timer. There is a method of making a determination based on the lapse of the difference time.

(Third Embodiment) FIG. 5 is a functional block diagram of a gas shut-off device according to a third embodiment of the present invention.
It is a flowchart which shows operation | movement of the gas shut-off apparatus in 3rd Example.

In FIG. 5, reference numeral 11 denotes a gas shut-off device for measuring the amount of gas used, monitoring the gas usage, and shutting off the gas in the event of an abnormality, which is installed in each household as a user of the gas. Reference numeral 1 denotes a shut-off event generating unit that generates an event for shutting off a gas when there is a certain date or time for a dangerous state in the use of gas. There are a leak state for detecting gas leak, a gradually decreasing battery voltage state, and a state before the expiration of the certification as a gas safety shut-off device.
Reference numeral 2 denotes a gas shut-off unit that shuts off gas, and 3 denotes a control unit that controls the operation of the gas shut-off device 11. 2 to shut off the gas. Reference numeral 4 denotes a clock unit for measuring the current date and time, which holds, for example, year, month, day, hour, minute, second, and day of the week as the current date and time, and is sequentially updated in seconds. Reference numeral 7 denotes an opening permission date and time zone holding unit that holds a time zone, a date zone, or a day of the week, which is a range of time in which the opening is permitted after the shutoff.
For example, as a time zone, there is a possibility that a gas user frequently uses the gas, and “1” is not operated by a gas maintenance company.
8:00 to 9:00 ”and the date and time zone is“ December 2
The date ranges from 9th to 3rd of January and Bon on August 14th to 16th, and the day of the week includes "Sunday" when a gas maintenance company is not operating. Reference numeral 8 denotes an opening reception unit that receives a request to open the gas blocking unit 2 that has been shut off. Reference numeral 9 denotes an open-permission-permitted state holding unit that holds an open-permission-permitted state in which the opening of the gas blocking unit 2 is permitted or an open-permission-disabled state in which the opening is not permitted.

Next, the operation and operation of the control unit 3 of the gas shut-off device 11 will be described with reference to the flowchart of FIG.

In this flow chart, first, the interruption reason occurrence unit 1
Starts operation when an interruption reason occurs. Note that an example will be described in which the time of the current date and time (time or date or day of the week) is set as an input value, and the cutoff time is output as the cutoff date and time (cutoff time or date and day of the week). Step 301 is a process of acquiring the current time from the clock unit 4 in order to perform a comparison process with the time zone of the opening permission date / time zone holding unit 7.
Go to 02.

Step 302 is a process for judging whether or not the time acquired in step 301 is included in the time zone held in the opening permission date / time zone holding unit 7. If the time zone is included, the process proceeds to step 303. If not included, the process proceeds to step 304.

Step 303 is a setting process for causing the opening permission state holding unit 9 to hold the opening permission state, and proceeds to step 305.

Step 304 is a setting process for causing the opening permission state holding unit 9 to hold the unopening permission state, and proceeds to step 305.

Step 305 is a shut-off process, in which the gas is shut off by the gas shut-off unit 2 before the operation proceeds to step 306.

Step 306 is a process of waiting for a request for opening from the opening receiving unit 8. When the request is received, the process proceeds to step 307.

Step 307 is a process for judging whether or not the state held in the opening permission state holding section 9 is the opening permission state. If the opening state is the opening permission state, the opening is accepted and the process proceeds to step 308. The process proceeds and if the opening is not permitted, the process returns to step 306 without accepting the opening.

Step 308 is a gas shutoff release process, which accepts the opening to release the gas shutoff state of the gas shutoff unit 2 and terminates all the processes.

(Fourth Embodiment) A functional block diagram of a gas shut-off device according to a fourth embodiment of the present invention will be described with reference to FIG. 5 shown in the third embodiment. FIG. 7 is a flowchart showing the operation of the gas shut-off device according to the fourth embodiment of the present invention.

In FIG. 7, reference numeral 11 denotes a gas shut-off device for measuring the gas usage and monitoring the gas usage and for shutting off the gas in the event of an abnormality. Reference numeral 1 denotes a shut-off event generating unit that generates an event for shutting off a gas when there is a certain date or time for a dangerous state in the use of gas. There are a leak state for detecting gas leak, a gradually decreasing battery voltage state, and a state before the expiration of the certification as a gas safety shut-off device.
Reference numeral 2 denotes a gas shut-off unit that shuts off gas, and 3 denotes a control unit that controls the operation of the gas shut-off device 11. 2 to shut off the gas. Reference numeral 4 denotes a clock unit for measuring the current date and time, which holds, for example, year, month, day, hour, minute, second, and day of the week as the current date and time, and is sequentially updated in seconds. Reference numeral 7 denotes an opening permission date and time zone holding unit that holds a time zone, a date zone, or a day of the week, which is a range of time in which the opening is permitted after the shutoff.
For example, as a time zone, there is a possibility that a gas user frequently uses the gas, and “1” is not operated by a gas maintenance company.
8:00 to 9:00 ”and the date and time zone is“ December 2
The date ranges from 9th to 3rd of January and Bon on August 14th to 16th, and the day of the week includes "Sunday" when a gas maintenance company is not operating. Reference numeral 8 denotes an opening reception unit that receives a request to open the gas blocking unit 2 that has been shut off. Reference numeral 9 denotes an open-permission-permitted state holding unit that holds an open-permission-permitted state in which the opening of the gas blocking unit 2 is permitted or an open-permission-disabled state in which the opening is not permitted. Reference numeral 10 denotes a gas flow rate measuring unit for detecting a gas flow rate, and detects a passing gas amount per unit time or a passing time per unit volume as a gas passing flow rate.

Next, the operation and operation of the control unit 3 of the gas shut-off device 11 will be described with reference to the flowchart of FIG.

In this flowchart, first, the interruption cause generating unit 1
Starts operation when an interruption reason occurs.

In step 401, the gas flow rate is measured by the gas flow rate measuring unit 10, and if the measured flow rate is less than the specified flow rate, the process proceeds to step 402;
Return to 1.

In step 402, the gas flow rate is measured by the gas flow rate measuring unit 10, and if the flow rate is equal to or more than the specified flow rate, the process proceeds to step 403.
Return to 2.

Step 403 is a process for obtaining the current time from the clock unit 4 in order to perform a comparison process with the time zone of the opening permission date / time zone holding unit 7. After obtaining the time, the process proceeds to step 404.

Step 404 is a process for judging whether or not the time acquired in step 403 is included in the time zone held in the opening permission date / time zone holding unit 7. If the time zone is included, the process proceeds to step 405. If not included, the process proceeds to step 406.

Step 405 is a setting process for causing the opening permission state holding unit 9 to hold the opening permission state, and proceeds to step 407.

Step 406 is a setting process for causing the unplugging permission state holding unit 9 to hold the unplugging non-permission state, and proceeds to step 407.

Step 407 is a shutoff process, in which the gas is shut off by the gas shutoff unit 2 before proceeding to step 408.

Step 408 is a process of waiting for a request for opening from the opening receiving unit 8. When the request is received, the process proceeds to step 409.

Step 409 is a process for judging whether or not the state held in the opening permission state holding section 9 is the opening permission state. If the opening state is the opening permission state, the opening is accepted and the process proceeds to step 410. The process proceeds, and if the opening is not permitted, the process returns to step 408 without accepting the opening.

Step 410 is a gas shutoff release process in which the gas shutoff state of the gas shutoff unit 2 is released upon receipt of the opening, and all the processes are terminated.

(Fifth Embodiment) FIG. 8 is a functional block diagram of a gas shut-off device according to a fifth embodiment of the present invention.
It is a flowchart which shows operation | movement of the gas shut-off apparatus in 5th Example.

In FIG. 8, reference numeral 11 denotes a gas shut-off device for measuring the amount of gas used, monitoring the gas usage, and shutting off the gas in the event of an abnormality. Reference numeral 1 denotes a shut-off event generating unit that generates an event for shutting off a gas when there is a certain date or time for a dangerous state in the use of gas. There are a leak state for detecting gas leak, a gradually decreasing battery voltage state, and a state before the expiration of the certification as a gas safety shut-off device.
Reference numeral 2 denotes a gas shut-off unit that shuts off gas, and 3 denotes a control unit that controls the operation of the gas shut-off device 11. 2 to shut off the gas. Reference numeral 4 denotes a clock unit for measuring the current date and time, which holds, for example, year, month, day, hour, minute, second, and day of the week as the current date and time, and is sequentially updated in seconds. 6 holds a time zone, a date zone, or a day zone, which is a range of time during which the cutoff is permitted. For example, as a time zone, a gas user does not use gas very frequently, and a gas maintenance company operates. The date zone is “9: 00-18: 00”, and the date band is a date other than “December 29-January 3” for the year-end and New Year holidays and “August 14-16” for the Bon Festival. May be "Monday to Saturday" where a gas maintenance company is open. 10
Denotes a gas flow rate measuring unit for detecting a gas flow rate, and detects a passage time per unit time as a gas passage flow rate.

Next, the operation and operation of the control unit 3 of the gas shut-off device 11 will be described with reference to the flowchart of FIG.

In this flowchart, first, the interruption cause generating unit 1
Starts operation when an interruption reason occurs. Note that an example will be described in which the time of the current date and time (time or date or day of the week) is set as an input value, and the cutoff time is output as the cutoff date and time (cutoff time or date and day of the week).

In step 501, the gas flow rate is measured by the gas flow rate measuring unit 10. If the gas flow rate is less than the specified flow rate, the process proceeds to step 502. Otherwise, the process returns to step 501.

In step 502, the gas flow rate is measured by the gas flow rate measuring unit 10, and if the gas flow rate is equal to or more than the specified flow rate, the flow proceeds to step 503, and if not, the flow returns to step 502.

Step 503 is a process for obtaining the current time from the clock unit 4 to perform a comparison process with the time zone of the cutoff date / time zone holding unit 6. After obtaining the time, the process proceeds to step 504.

Step 504 is a process for judging whether or not the time acquired in step 503 is included in the time zone “9:00 to 18:00” held in the cut-off date / time zone holding unit 6. The process proceeds to 505, and if not included, returns to step 501.

Step 505 is a shutoff process in which a shutoff command is output to the gas shutoff unit 2, the gas shutoff unit 2 shuts off the gas, and all the processes are terminated.

(Sixth Embodiment) FIG. 10 is a functional block diagram of a gas cutoff device according to a sixth embodiment of the present invention, and FIG. 11 is a flowchart showing the operation of the gas cutoff device according to the sixth embodiment. .

In FIG. 10, reference numeral 11 denotes a gas shut-off device for measuring the amount of gas used, monitoring the state of gas use, and shutting off the gas in the event of an abnormality. The gas shut-off device is installed in each household that is a user of the gas. Reference numeral 1 denotes a shut-off event generating unit that generates an event for shutting off a gas when there is a certain date or time for a dangerous state in the use of gas. There are a leak state for detecting gas leak, a gradually decreasing battery voltage state, and a state before the expiration of the certification as a gas safety shut-off device. Reference numeral 2 denotes a gas shut-off unit that shuts off gas, and 3 denotes a control unit that controls the operation of the gas shut-off device 11. 2 to shut off the gas. Reference numeral 10 denotes a gas flow rate measuring unit for detecting a gas flow rate, and detects a passing gas amount per unit time or a passing time per unit volume as a gas passing flow rate.

Next, the operation and operation of the control unit 3 of the gas shut-off device 11 will be described with reference to the flowchart of FIG.

In this flowchart, first, the interruption reason generating unit 1
Starts operation when an interruption reason occurs.

In step 601, the gas flow rate is measured by the gas flow rate measuring unit 10, and if the flow rate is less than the specified flow rate, the process proceeds to step 602. Otherwise, the process returns to step 601.

Step 602 is a shutoff process in which a shutoff command is output to the gas shutoff unit 2, the gas shutoff unit 2 shuts off the gas, and all the processes are terminated.

[0075]

As described above, according to the first to sixth aspects of the present invention, the gas is cut off at a time or date or day of the week that cannot be processed by a gas maintenance company, or the gas is temporarily The gas can be released from the shut-off state, and the gas user can be prevented from becoming unable to use the gas during the frequent gas use hours or on holidays or days of the week. Convenience can be improved.

[Brief description of the drawings]

FIG. 1 is a functional block diagram of a gas cutoff device according to a first embodiment of the present invention.

FIG. 2 is a flowchart of a control unit of the gas shutoff device according to the first embodiment of the present invention.

FIG. 3 is a functional block diagram of a gas cutoff device according to a second embodiment of the present invention.

FIG. 4 is a flowchart of a control unit of a gas shutoff device according to a second embodiment of the present invention.

FIG. 5 is a functional block diagram of a gas shutoff device according to a third embodiment and a fourth embodiment of the present invention.

FIG. 6 is a flowchart of a control unit of a gas shutoff device according to a third embodiment of the present invention.

FIG. 7 is a flowchart of a control unit of a gas shutoff device according to a fourth embodiment of the present invention.

FIG. 8 is a functional block diagram of a gas cutoff device according to a fifth embodiment of the present invention.

FIG. 9 is a flowchart of a control unit of a gas shutoff device according to a fifth embodiment of the present invention.

FIG. 10 is a functional block diagram of a gas cutoff device according to a sixth embodiment of the present invention.

FIG. 11 is a flowchart of a control unit of a gas shutoff device according to a sixth embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Shutdown reason generating part 2 Gas shutoff part 3 Control part 4 Clock part 5 Shutdown setting date and time holding part 6 Shutdown date and time zone holding part 7 Opening permission date and time zone holding part 8 Opening reception part 9 Opening permission state holding part 10 Gas flow rate Measuring unit 11 Gas shut-off device

Continued on the front page (72) Inventor Takeshi Nawata 1006 Kadoma Kadoma, Osaka Prefecture Matsushita Electric Industrial Co., Ltd. (72) Inventor Takuhisa 1006 Kadoma Kadoma, Osaka Pref. Person Yasuo Kiba 1006 Kazuma Kadoma, Kazuma, Osaka Prefecture Inside Matsushita Electric Industrial Co., Ltd. 41-2-2 Hirano-cho, Chuo-ku Osaka Gas Co., Ltd. (72) Inventor Hiroshi Ishida 507-2 Shinhocho, Tokai City, Aichi Prefecture Toho Gas Co., Ltd. 2F030 CB01 CB02 CC13 CE02 CF05 CF11 507 Takaramachi 2 Toho Gas Co., Ltd.

Claims (6)

[Claims] 1. A gas shut-off unit for shutting off a gas, a shut-off event generating unit for generating an event for shutting off a gas, a clock unit for measuring time, date or day of the week, and a time, date or day of the clock unit And a cut-off setting date and time holding unit for outputting a cut-off time or a cut-off date or a cut-off day, and a time, date or day of the week from a clock unit when a cut-off event occurs in the cut-off reason generating unit. Then, the obtained time, date or day of the week is input to the cutoff setting date and time storage section to obtain the cutoff time, the cutoff date or the day of the week, and the time, date or day of the clock section is
A gas cutoff device, comprising: a control unit that cuts off the gas by the gas cutoff unit when the cutoff time or the cutoff date or the cutoff day of the cutoff setting date and time storage unit matches the cutoff date or the cutoff day. 2. A gas shut-off unit for shutting off a gas, a shut-off event generating unit for generating an event for shutting off a gas, a clock unit for measuring time, date, or day of the week, and a time, date, or day of the week for which shut-off is permitted. A cut-off date and time holding unit that holds a time zone, a date band, or a day of the week, respectively, and a cut-off time, a cut-off date, or a cut-off day for shutting down by inputting the time, date, or day of the clock unit. The time and date or day of the week to be obtained from the clock unit when a reason for performing the interruption occurs in the interruption reason generation unit, and the acquired time or date or day of the week is set to When it is included in the time zone, date zone, or day zone, the gas is immediately shut off by the gas shut-off unit. If it is not included in the interval, date, or day of the week, the time, date, or day of the week is obtained from the clock section, and the obtained time, date, or day of the week is input into the block setting date and time storage section, and the block time, date, or A control unit that acquires a shutoff day, and shuts off gas at the gas shutoff unit when the time, date, or day of the clock unit matches the shutoff time, the shutoff date, or the shutoff day of the shutoff setting date and time holding unit. A gas shut-off device characterized by the above-mentioned. 3. A gas shut-off unit for shutting off a gas, a shut-off event generating unit for generating an event for shutting off a gas, a clock unit for measuring time, date or day of the week, and a time for permitting opening after shut-off. The opening permission date and time zone holding part that holds the time zone or the date zone or the day of the week that is the range of the date or the day of the week, respectively, and the opening permission state that allows opening or the opening disallowing state that does not allow opening. The opening permission state holding unit to be held, the opening reception unit that receives the opening after the interruption, and the time or date or day of the week are acquired from the clock unit when the interruption event occurs in the interruption event occurrence unit. When the set time, date, or day of the week is included in the time, date, or day of the week of the opening permission date / time holding unit, the opening permission state holding unit holds the opening permission state, and the gas shielding is performed. The gas is cut off at the disconnection section, and when the time, date, or day of the week of the clock section is not included in the time, date, or day of the week of the opening permission date and time holding section, the opening of the opening permission state holding section is performed. When the gas is blocked by the gas blocking unit by holding the plug non-permitted state, and when the plug receiving unit receives the opening after the blocking, the open permission state holding unit holds the open permission state. And a control unit that releases the shutoff of the gas shutoff unit, and does not release the shutoff of the gas shutoff unit when the opening permission state holding unit holds the unopening prohibited state. Gas shut-off device. 4. The method according to claim 1, further comprising a gas flow rate measuring unit for measuring a gas flow rate, wherein the control unit obtains the time, date, or day of the week from the clock unit after the event of shutting down occurs at the shutting down event occurrence unit. 4. The gas shut-off device according to claim 3, wherein a gas flow rate is obtained from a gas flow rate measurement unit, and the gas flow rate changes from less than a specified flow rate to a specified flow rate or more. 5. A gas shut-off unit for shutting off a gas, a shut-off event generating unit for generating an event for shutting off a gas, a gas flow measuring unit for measuring a gas flow rate, and a clock for measuring time, date or day of the week. Unit, a cutoff date / time band holding unit that holds a time zone, a date band, or a weekday band, which is a range of a time, a date, or a day of the week, respectively, in which the cutoff is permitted. Acquiring a gas flow rate from the gas flow rate measurement unit, and when the gas flow rate changes from less than a specified flow rate to a specified flow rate or more, obtains time or date or day of the week from a clock unit, and the obtained time or date or day of the week is And a control unit for shutting off the gas by the gas shut-off unit when the time is included in the time zone, date zone, or day zone of the shut-off date / time zone holding unit. 6. A gas shut-off unit for shutting off a gas, a shut-off event generating unit for generating an event for shutting off a gas, a gas flow rate measuring unit for measuring a gas flow rate, and shut-off by the shut-off event generating unit. After an event has occurred, a gas flow rate is obtained from the gas flow rate measurement section, and when the gas flow rate becomes less than a prescribed flow rate, a control section that cuts off gas at the gas cutoff section is provided. Gas shut-off device.