JP2010282445A - Alarm - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an alarm performing notification operation of alarm cause information and allowing a worker to display not only alarm contents but also detailed history information such as frequency or concentration without using a communication tool or the like. <P>SOLUTION: After an inspection switch 40 is turned on, an MPU 20 notifies an alarm occurrence frequency of past one year by a blink of a power lamp/failure display lamp 50, and notifies a frequency of a high-concentration alarm in a CO gas alarm by a blink of a CO gas alarm lamp 31b. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to an alarm device that detects and alerts the occurrence of an abnormality in a monitoring area.

  When the alarm device is installed in the monitoring area, for example, it detects various abnormalities such as leakage of gas, carbon dioxide, carbon monoxide, etc., or fires in the monitoring area, and issues an alarm. And since the alarm device having the automatic return function cancels the alarm and returns when the predetermined return condition is satisfied, the alarm may be canceled even if the worker arrives at the site by a report from the user. There was a problem that the worker could not grasp appropriate alarms, such as whether the alarm was actually given or which alarm was being given. In particular, it is difficult to investigate the cause of an alarm if it is not possible to identify what type of alarm has been performed in a combined alarm device that performs multiple types of alarms such as fire alarms, city gas alarms, and carbon monoxide gas alarms. Met.

  Therefore, the alarm device shown in Patent Document 1 stores the operation history information and the alarm stop history information in the storage unit, and displays the operation history information and the alarm stop history information after performing the inspection process. .

JP 2005-292969 A

  However, in the conventional alarm device described above, after performing the inspection process by operating the inspection switch, the operation history information and the alarm stop history information are automatically displayed as they are. For this reason, there is a problem that it is difficult for the worker to know how far the inspection operation is and where the alarm cause information is displayed.

  In addition, it is possible to read the operation history information and the alarm stop history information by connecting with a communication jig as confirmation of the cause of the alarm, but in this case, it takes time and effort to prepare a communication jig or perform communication, There is a problem that the cause of the alarm cannot be confirmed smoothly on site.

  Therefore, the present applicant has proposed a method of displaying only the cause of alarm by operating the check switch of the alarm device. However, the operation of the alarm switch can only confirm the history of the final alarm or multiple alarms. Which alarm is generated in any period and how often the alarm occurs. It was not possible to know at the site how much concentration (danger) the alarm was triggered by.

  Therefore, the present invention provides an alarm device that performs an alarm cause information notification operation, and allows an operator to display not only alarm content but also detailed history information such as frequency and concentration without using a communication jig or the like. It is an issue to provide.

  The invention according to claim 1, which has been made to solve the above-described problem, includes an abnormality occurrence detection unit that detects an occurrence of an abnormality in the monitoring area, and an alarm unit that alarms the occurrence of an abnormality detected by the abnormality occurrence detection unit. A history information storage means for storing history information alarmed by the alarm means, a start signal input means for inputting a start signal for starting notification of the history information by an external operation, and the start signal After the start signal is input from the input means, out of the history stored in the history information storage means, the number of times the alarm means alarmed within a predetermined period and / or detected by the abnormality occurrence detection means A notification information output means for detecting and outputting the number of occurrences of an abnormality that is equal to or greater than a predetermined threshold among the detected abnormalities.

  According to a second aspect of the present invention, in the first aspect of the present invention, the notification information output means has a predetermined threshold value among the number of times the alarm means has alarmed and / or an abnormality detected by the abnormality occurrence detection means. The above abnormality occurrence number is repeatedly output a predetermined number of times at a predetermined time interval.

  The invention according to claim 3 is the invention according to claim 1 or 2, wherein the notification information output means includes alarm number display means for flashing and displaying the number of times the alarm means alarmed. It is a feature.

  The invention according to claim 4 is the invention according to any one of claims 1 to 3, wherein the notification information output means is equal to or greater than a predetermined threshold value among the abnormality occurrences detected by the abnormality occurrence detection means. It includes an abnormality number display means for blinking and displaying the number of occurrences of the abnormality.

  According to a fifth aspect of the present invention, in the invention according to any one of the third or fourth aspect, a predetermined threshold value among the number of times the alarm means has alarmed and the occurrence of an abnormality detected by the abnormality detection means. When an upper limit is set for the number of occurrences of the above-mentioned abnormality, the number of times that the alarming unit has alarmed and / or the number of occurrences of abnormality that is greater than or equal to a predetermined threshold among the number of occurrences of abnormality detected by the abnormality occurrence detection unit The notification information output means blinks the alarm number display means and / or the abnormality number display means for a predetermined number of times.

  The invention according to claim 6 is the invention according to any one of claims 3 to 5, wherein the alarm frequency display means and the abnormal frequency display means are flashed at different timings depending on the notification information output means. It is characterized by that.

  The invention according to claim 7 is the invention according to claim 1, wherein the number of times that the alarm means alarmed within the predetermined time period is not less than a predetermined number of times. Is output.

  The invention according to claim 8 is the first alarm display means according to the invention according to claim 7, wherein the notification information output means displays that the number of times the alarm means has alarmed is not less than the predetermined number of times. And a second alarm display means for displaying that the number of times the alarm means has been alarmed is less than the predetermined number of times.

  As described above, according to the first aspect of the present invention, after a start signal is input from the start signal input unit, an alarm within a predetermined period of time stored in the history information storage unit is stored. Since the notification information output means outputs the number of times the means alarmed and / or the number of abnormality occurrences equal to or greater than a predetermined threshold among the abnormalities detected by the abnormality occurrence detection means, the worker not only provides the alarm contents but also the predetermined number The frequency within the period, the number of abnormalities exceeding a predetermined threshold such as a high concentration, for example, can be displayed by a simple operation without using a communication jig or the like, and workability can be improved.

  According to the second aspect of the present invention, the notification information output means predetermines the number of times the alarm means has alarmed and / or the number of times of abnormality occurrence that is greater than or equal to a predetermined threshold among the abnormalities detected by the abnormality occurrence detection means. Since the alarm cause information notifying means is repeatedly notified a predetermined number of times at time intervals, it is possible to reduce the possibility that the worker overlooks these times.

  According to the third aspect of the present invention, the notification information output means includes the alarm number display means for flashing and displaying the number of times the alarm means has been alarmed. It is possible to check the number of times the means has been alarmed.

  According to the fourth aspect of the present invention, the notification information output means includes an abnormality number display means for blinking and displaying an abnormality occurrence number equal to or greater than a predetermined threshold among the abnormality occurrences detected by the abnormality occurrence detection means. Therefore, it is possible to confirm the number of occurrences of abnormality equal to or greater than a predetermined threshold among the occurrences of abnormality detected by the abnormality occurrence detection means by the operation such as blinking of the abnormality number display means.

  According to the fifth aspect of the present invention, an upper limit is set for the number of times of alarm occurrence by the alarm means and the number of abnormality occurrences equal to or greater than a predetermined threshold among the abnormality occurrences detected by the abnormality occurrence detection means, When the number of occurrences of an abnormality that is greater than or equal to a predetermined threshold among the occurrences of abnormality detected by the abnormality occurrence detection means is greater than or equal to the upper limit, the notification information output means keeps the alarm count display means and / or the abnormal count display means constant. Since the number of times of blinking is fixed, when the number of alarms or the number of abnormal occurrences exceeding a predetermined threshold exceeds a certain number, the number of blinks is fixed to prevent the confirmation time from becoming too long.

  According to the sixth aspect of the present invention, the alarm number display means and the abnormality number display means blink at different timings depending on the control means, so that even if both blink, the possibility of overlooking one is reduced. it can.

  According to the seventh aspect of the invention, the notification information output means outputs whether or not the number of times the alarm means alarmed within the predetermined period is equal to or greater than the predetermined number of times. When an operator wants to know whether or not it is frequently performed, the worker can know more quickly than displaying the number of alarms.

  According to the eighth aspect of the invention, the notification information output means includes a first alarm display means for displaying that the number of times the alarm means has been alarmed is a predetermined number or more, and the number of times that the alarm means has been alarmed is a predetermined number of times. Second alarm display means for indicating that the alarm means was less than the number of times the alarm means alarmed in advance depending on whether the first alarm display means or the second alarm display means is displayed. It is possible to quickly know whether or not the predetermined number of times has been reached.

It is a front view which shows the external appearance of the gas alarm device concerning the 1st Embodiment of this invention. It is a principal block diagram of the gas alarm shown by FIG. It is a principal part flowchart of the control program of the gas alarm shown by FIG. FIG. 2 is a timing chart when the gas alarm device shown in FIG. 1 has generated only one alarm in the past year and there is no high concentration alarm in the CO gas alarm. It is a timing chart when the frequency | count of alarm generation of the gas alarm device shown by FIG. 1 was 1 time and the high concentration alarm frequency in a CO gas alarm was 1 time. FIG. 2 is a timing chart in the case where the number of times of alarm generation of the gas alarm device shown in FIG. 1 is 3 degrees and the number of high concentration alarms in the CO gas alarm is 2 degrees in the past year. FIG. 2 is a timing chart in the case where the number of alarms generated by the gas alarm device shown in FIG. 1 is 5 degrees in the past year and the number of high concentration alarms in the CO gas alarm is 5 degrees. 2 is a timing chart in the case where the number of alarm occurrences is 6 degrees or more and there is no high concentration alarm number in the CO gas alarm in the past one year of the gas alarm device shown in FIG. 2 is a timing chart in the case where the number of times of alarm generation is 6 degrees or more and the number of high concentration alarms in the CO gas alarm is 3 degrees in the past year of the gas alarm device shown in FIG. 2 is a timing chart in the case where the number of alarm occurrences of the gas alarm device shown in FIG. 1 is 6 degrees or more and the high concentration alarm number of CO gas alarms is 6 degrees or more in the past year. It is a timing chart when the alarm generation | occurrence | production has not occurred in the past one year of the gas alarm device shown in FIG. It is a timing chart which shows the other form of the alarm device shown by FIG. 1 thru | or FIG. It is a timing chart when the frequency | count of alarm generation is 2 times in the past one year of the gas alarm device concerning the 2nd Embodiment of this invention. It is a timing chart in case the frequency | count of alarm generation is 6 degree | times in the past one year of the gas alarm device concerning the 2nd Embodiment of this invention.

[First Embodiment]
Next, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a front view showing an appearance of a gas alarm device as an alarm device according to a first embodiment of the present invention, and FIG. 2 is a block diagram of a main part of the gas alarm device shown in FIG.

1 and 2, the gas alarm device 1 having a fire detection function is formed in a substantially rectangular shape, and is installed on a wall, a ceiling, or the like of a monitoring area. In addition, the monitoring area | region has shown the room, the range, etc. which are the installation locations where the gas alarm device 1 can be monitored.

  The gas alarm device 1 includes a sensor unit 10, a microprocessor unit (MPU) 20, an alarm unit 30, an inspection switch 40, and a power lamp / failure display lamp 50. The gas alarm device 1 is operated by electric power supplied from a built-in battery or a commercial power source.

  The sensor unit 10 is electrically connected to the MPU 20. The sensor unit 10 detects the occurrence of a fire such as an electrochemical sensor, a thermal sensor, a smoke sensor, or the like in which a current corresponding to the CO concentration flows due to an oxidation reaction of carbon monoxide (hereinafter also referred to as CO). The sensor signal for detecting the occurrence of abnormality is output to the MPU 20.

  As described above, the sensor unit 10 is a sensor capable of detecting the occurrence of abnormality (state change or the like) to be detected. The CPU 21 of the MPU 20 detects the CO concentration, temperature, and the like in the monitoring area based on the input sensor signal, thereby detecting the occurrence of abnormal conditions such as CO gas leakage and fire. As described above, in the present embodiment, the case where the sensor unit 10 and the CPU 21 implement the abnormality occurrence detection means in the claims will be described. For example, when the sensor unit 10 detects the abnormality occurrence, the abnormality occurrence detection signal Can be configured to realize the abnormality occurrence detecting means only by the sensor unit 10.

  As is well known, the MPU 20 includes a central processing unit (CPU) 21 that performs various processes and controls according to a predetermined program, a ROM 22 that is a read-only memory storing programs for the CPU 21, and various data. And a RAM 23, which is a readable / writable memory having an area necessary for processing operations of the CPU 21. The ROM 22 stores a program for performing alarm processing and inspection processing of the gas alarm device 1 and alarm confirmation mode processing described later.

  The MPU 20 is connected to an electrically erasable / rewritable read-only memory unit 24 that can retain stored contents even when the apparatus main body is in a power-off state. The memory unit 24 uses an EEPROM or the like, and stores various information such as alarm cause information 24a as history information. That is, the memory unit 24 is history information storage means in the claims. The alarm cause information 24a is additionally updated with the cause of alarm (history information) each time the alarm is performed by the alarm unit 30 by the CPU 21.

  The alarm cause information 24a has data for notifying the cause of the alarm that has occurred so far. The cause of the alarm in the present embodiment is caused by fire, CO, city gas, etc., and identification data that can be identified is set in the alarm cause information 24a. The alarm cause information 24a is configured with alarm date and time, gas concentration at the time of alarm detection, and the like in addition to data for identifying the alarm cause.

  The alarm unit 30 is electrically connected to the MPU 20 and has an alarm display unit 31 and an alarm sound output unit 32. As shown in FIG. 1, the alarm display unit 31 includes a fire alarm lamp 31a such as red, a CO gas alarm lamp 31b such as yellow, and a city gas alarm lamp 31c such as red. The fire alarm lamp 31a is turned on by the CPU 21 in response to detection of fire occurrence (abnormality occurrence). The CO gas alarm lamp 31b serving as an abnormal number display means is turned on by the CPU 21 in response to detection of occurrence of CO gas leakage (occurrence of abnormality). In the alarm confirmation mode for notifying alarm cause information, which will be described later, the CPU 21 blinks as many times as the number of occurrences of the high concentration alarm. The city gas warning lamp 31c is turned on by the CPU 21 in response to detection of occurrence of city gas leakage (occurrence of abnormality).

The alarm sound output unit 32 is electrically connected to the MPU 20 and has an alarm sound output circuit and a speaker (not shown). The alarm sound output circuit is controlled by the CPU 21 and outputs a signal corresponding to an alarm sound, an alarm sound, a definite sound described later, and the like requested by the CPU 21 to the speaker. The speaker outputs sound based on a signal input from the alarm sound output circuit.

  As described above, in the present embodiment, the case where the alarm means in the claims is realized by the alarm unit 30 having the alarm display unit 31 and the alarm sound output unit 32 will be described. The alarm display unit 31 and the alarm sound output unit For example, it may be realized by a warning unit 30 including any one of 32 and the like.

  The inspection switch 40 is electrically connected to the MPU 20 and, as shown in FIG. 1, is connected to a pull string 41 that is pulled out of the alarm device 1. An operation switch to be pressed is used. The inspection switch 40 is turned on when the drawstring 41 is pulled, and outputs an on signal indicating that this is turned on to the MPU 20. Further, an off signal indicating that the drawstring 41 is turned off when the drawstring 41 is released is output to the MPU 20. The CPU 21 inputs an ON signal from the inspection switch 40 as a “start signal”, and the single inspection and the interlock inspection described later are determined by the OFF signal from the inspection switch 40, and in the alarm confirmation mode, a predetermined time is set in advance. It is determined when 6 seconds or more have passed. The inspection switch 40 constitutes start signal input means in the claims.

  The power lamp / failure display lamp 50 as the alarm count display means is a green LED or the like that is electrically connected to the MPU 20 and controlled to be turned on / off by the CPU 21. The power lamp / failure display lamp 50 is lit in the normal mode in which the gas alarm device 1 is operated by receiving power supply, and is flashed in the inspection mode. Further, in the alarm confirmation mode for notifying the alarm cause information 24a described later, the CPU 21 blinks as many times as the number of alarm occurrences of the alarm cause information 24a.

  As described above, in the present embodiment, the CPU 21, the alarm display unit 31 (CO gas alarm lamp 31b), and the power lamp / failure display lamp 50 constitute the notification information output means.

  Next, operation | movement of the gas alarm device 1 which concerns on this invention is demonstrated based on the flowchart of FIG. In this embodiment, the ON state (or OFF state) of the inspection switch 40 is assumed to have been determined when the predetermined state continues for each predetermined time, and it is possible to select single inspection or linked inspection. The confirmation of the ON state for each predetermined time is referred to as “independent inspection is confirmed”, “linkage inspection is confirmed”, and “alarm confirmation mode is confirmed”, respectively.

  FIG. 3 is a main part flowchart of processing executed by the CPU 21. For example, the gas alarm device 1 is installed in the monitoring area and is activated when the shipping mode is switched to the normal mode. First, in step S1, the CPU 21 determines whether or not the inspection switch 40 is turned on (the pull string 41 is pulled). When it is determined that the inspection switch 40 is not turned on, that is, the start signal is not detected, the process proceeds to step S15. In step S15, other processing is performed and the process returns to step S1, but in this other processing, normal mode monitoring processing, failure detection processing, and the like are performed.

  On the other hand, if it is determined that the inspection switch 40 has been turned on, that is, it has been detected that a start signal has been detected, the timer is started in step S2, and the process proceeds to step S3. In step S3, it is determined whether the inspection switch 40 has been turned off. If the inspection switch 40 has been turned off, the process has been cancelled, and the process proceeds to step S15. When it is determined that the inspection switch 40 is not OFF, that is, the state where the pull string 41 is pulled is continued, the process proceeds to step S4, and it is determined whether the single inspection is confirmed by the time measured by the timer. If the single inspection has not been confirmed, the process returns to step S3. If the fixed inspection has been confirmed after a certain time has passed in the ON state, a confirmation sound (buzzer sound) “beep” is output in step S5, and step S6. Proceed to

  In step S6, it is determined whether the inspection switch 40 is turned off. If the inspection switch 40 is turned off, the single inspection process is performed in step S7, and the process proceeds to step S15. When it is determined that the inspection switch 40 is not OFF, that is, the state where the pulling string 41 is pulled is continued, the process proceeds to step S8, and it is determined whether the linked inspection is confirmed by the time measured by the timer. If the linked inspection has not been confirmed, the process returns to step S6, and if the linked inspection has been confirmed after a certain time has passed in the ON state, a confirmation sound of “beep” is output in step S9 and the process proceeds to step S10.

  In step S10, it is determined whether the inspection switch 40 has been turned off. If the inspection switch 40 has been turned off, the linked inspection process is performed in step S11, and the process proceeds to step S15. If it is determined that the inspection switch 40 is not OFF, that is, it is determined that the state where the pull string 41 is pulled is continued, the process proceeds to step S12, and it is determined whether the alarm confirmation mode is determined by the time measured by the timer. If the alarm confirmation mode has not been confirmed, the process returns to step S10. If the alarm confirmation mode has been confirmed after a predetermined time has elapsed in the ON state, a confirmation sound of “beep” is output in step S13 and the process proceeds to step S14. .

  In step S14, the process proceeds to the alarm confirmation mode, an alarm confirmation process described later is performed, and the process proceeds to step S15. The inspection switch 40 may be turned off (release the drawstring 41) at an arbitrary time after the alarm confirmation mode is confirmed.

  As described above, when the alarm confirmation mode is confirmed in step S12, it is a case where a predetermined time (6 seconds in the timing chart described later) has elapsed since the input of the start signal, and step S6 is performed before step S12. Or when it determines with the inspection switch 40 being OFF by step S10, an inspection process is performed. On the other hand, the alarm confirmation mode is entered after the inspection switch 40 has elapsed for a predetermined time (6 seconds).

  Next, an example of the operation (action) of the gas alarm device 1 having the above-described configuration will be described with reference to the timing charts of FIGS. Note that the period for counting the number of alarms, the blinking interval, the number of repetitions, the upper limit number of blinking, and the like in the following description are examples and may be changed as appropriate.

  When the ON state of the check switch 40 at time t1 (input of the start signal) continues for about 150 milliseconds, the gas alarm device 1 confirms the single check at time t2 and enables the single check process. A definite sound “beep” is output from the output unit 32. In addition, if the inspection switch 40 is turned off before the linked inspection is confirmed from the confirmation sound, the independent inspection is performed. Next, when 3 seconds have passed since the inspection switch 40 is turned on while the inspection switch 40 is kept on, the interlocked inspection is confirmed at time t3, and the interlocked inspection process is enabled. A definite sound is output. If the inspection switch 40 is turned off before the alarm confirmation mode is determined from the finalized sound, the linked inspection is performed.

  When the time for confirmation of the single inspection and the interlocked inspection has elapsed, that is, when 6 seconds have elapsed since the ON state of the inspection switch 40 has been turned on, the alarm confirmation mode is determined at time t4 and the alarm confirmation processing is enabled. A warning sound “beep” is output from the alarm sound output unit 32.

  Thereafter, the alarm confirmation process is started. In the alarm confirmation processing of the present embodiment, the number of times of alarm occurrence as the number of times the alarm means has issued, and the number of times of high concentration alarm in the CO gas alarm as the number of occurrences of abnormality exceeding a predetermined threshold among the abnormalities detected by the abnormality occurrence detection means. Is displayed. The number of alarm occurrences is the total number of fire occurrence detection times, CO gas leak occurrence detection times, and city gas leak occurrence detection times. The number of high-concentration alarms in the CO gas alarm is the number of times of detecting CO that is equal to or higher than a threshold value (for example, 1000 ppm) for determining a high concentration in the number of detections of occurrence of CO gas leakage. These times are counted by selecting the data (history information) set in the alarm cause information 24a that matches a condition such as a count or a threshold value.

  The timing chart of FIG. 4 shows a case where the number of times of alarm generation is only once in the past year as a predetermined period and there is no high concentration alarm in the CO gas alarm. In this case, at time t5 after the confirmation of the alarm confirmation mode, the power lamp / failure display lamp 50 blinks once, which is the number of alarm occurrences, and is repeated twice, for example, at intervals of 6 seconds. That is, it is repeated a predetermined number of times at a predetermined time interval. Then, for example, at the time t6 after one second from the last blinking, an end sound “Peep” is output from the alarm sound output unit 32.

  Next, the case where the number of times of alarm occurrence is 1 in the past year and the number of times of high concentration alarm in the CO gas alarm is 1 will be described with reference to the timing chart of FIG.

  In the case of FIG. 5, the CO gas alarm lamp 31b blinks once at time t6 one second after the power lamp / failure display lamp 50 blinks once at time t5. Then, the power lamp / fault display lamp 50 blinks once, the power lamp / fault display lamp 50 blinks once at time t7 after 6 seconds, and the CO gas alarm lamp 31b blinks once at time t8 after one second. . Then, the power lamp / fault display lamp 50 blinks once at a time t9 after 6 seconds when the second power lamp / fault display lamp 50 blinks once, and the CO gas alarm lamp 31b is set to 1 at a time t10 one second later. Flash once. That is, blinking the power lamp / failure display lamp 50 once, which is the number of times of alarm generation, is repeated three times at intervals of 6 seconds, and the CO gas alarm lamp 31b is blinked once, which is the number of times of high concentration alarm in the CO gas alarm. Is repeated three times at intervals of 6 seconds with a delay of 1 second from the power lamp / failure display lamp 50. Then, at the time t11, for example, one second after the last blinking of the CO gas alarm lamp 31b, an end sound “Peep” is output from the alarm sound output unit 32. That is, the power lamp / failure display lamp 50 and the CO gas alarm lamp 31b are blinking at different timings.

  FIG. 6 is a timing chart in the case where the number of times of alarm generation is 3 degrees in the past year and the number of high concentration alarms in the CO gas alarm is 2 degrees.

  In the case of FIG. 6, the power lamp / failure indicator lamp 50 blinks three times at intervals of 1 second from time t5, and the CO gas alarm lamp 31b is turned on at intervals of 1 second from time t7 one second after the third blinking time t6. Blink twice. This is repeated as two sets at intervals of 6 seconds from the third flashing of the power lamp / failure indicator lamp 50. That is, as shown in FIG. 6, the second set is performed from time t8, which is 6 seconds after time t6, and the third set is performed from time t10, which is 6 seconds after time t9. Then, at the time t11, for example, one second after the last blinking of the CO gas alarm lamp 31b, an end sound “Peep” is output from the alarm sound output unit 32.

  FIG. 7 is a timing chart in the case where the number of alarm occurrences is 5 degrees in the past year and the high concentration alarm number in the CO gas alarm is 5 degrees. This case is similar to FIG. In this embodiment, the blinking interval is 1 second and the repetition interval is 6 seconds. In the case of FIG. 7, the second repetition of the power lamp / failure display lamp 50 is performed 1 second after the CO gas alarm lamp 31b. Done.

  FIG. 8 is a timing chart when the number of alarms generated is 6 degrees or more in the past year and there is no high concentration alarm in the CO gas alarm. In the present embodiment, the upper limit indicating the number of times of alarm generation or the high concentration alarm in the CO gas alarm is set to 5 times, so in the case of FIG. 8, the power supply lamp / failure display lamp 50 is set to 1 from time t5. A predetermined number of times (19 in the case of the present embodiment) blinks at a second interval, and at time t7 one second after the last blinking time t6 of the power lamp / failure display lamp 50, the warning sound output unit 32 reads “ The ending sound “Peep” is output. That is, when the number of times exceeds the upper limit, the power lamp / failure display lamp 50 and / or the CO gas alarm lamp 31b is blinked a certain number of times.

  FIG. 9 is a timing chart in the case where the number of alarm occurrences is 6 degrees or more and the high concentration alarm in the CO gas alarm is 3 degrees in the past year. In the case of FIG. 9, unlike FIG. 6, the power lamp / failure display lamp 50 continues to be lit at intervals of 1 second as in FIG. 8, so the CO gas alarm lamp 31 b is one of the power lamp / failure display lamp 50. Blink slightly after the first blink. The CO gas alarm lamp 31b flashes 3 times at 1 second intervals, then flashes 3 times at 1 second intervals with a 6 second interval, and further flashes 3 times at 1 second intervals at 6 second intervals. For example, after one second from the blinking of the alarm, the warning sound output unit 32 outputs an end sound “Peep”.

  FIG. 10 is a timing chart in the case where the number of alarm occurrences is 6 degrees or more and the high concentration alarm in the CO gas alarm is 6 degrees or more in the past year. In the case of FIG. 10, both the power lamp / failure display lamp 50 and the CO gas alarm lamp 31b blink 19 times at 1 second intervals. However, as in FIG. 9, the CO gas alarm lamp 31 b blinks with a slight delay from the blinking of the power lamp / failure display lamp 50. Then, for example, one second after the last blinking of the CO gas alarm lamp 31b, an end sound “Peep” is output from the alarm sound output unit 32.

  Finally, the case where no alarm has been generated in the past year is shown in the timing chart of FIG. In the case of FIG. 11, since no alarm has been generated in the past year, neither the power lamp / failure display lamp 50 nor the CO gas alarm lamp 31b blinks, and at time t4, the alarm sound output unit 32 makes a “beep” sound. The alarm sound output unit 32 outputs an end sound “Peep” at the time t5 after 1 second.

  According to the above embodiment, after the inspection switch 40 is turned on, the MPU 20 notifies the number of alarms generated in the past year by blinking the power lamp / fault display lamp 50, and the number of high concentration alarms in the CO gas alarm. Because the CO gas alarm lamp 31b flashes, the communication tool etc. not only indicate the alarm contents but also the frequency of the past year and the number of times the CO concentration was high when the alarm was issued. It can be displayed by a simple operation without using it, and workability can be improved.

  In addition, the control means repeatedly flashes the number of alarms generated in the past year and the number of high-concentration alarms in the CO gas alarm three times at intervals of 6 seconds, so that the operator may miss these numbers. Can be reduced.

  Further, since the power lamp / failure display lamp 50 is used as the alarm number display means and the CO gas alarm lamp 31b is used as the abnormality number display means, these means do not need to be provided exclusively and the cost can be reduced. be able to.

  In the embodiment, when the number of alarms generated in the past year and the number of high concentration alarms in the CO gas alarm are 6 times or more, the MPU 20 sets the power lamp / failure display lamp 50 and the CO gas alarm lamp 31b in advance. Since the number of times of flashing is fixed, when the number of alarms generated in the past year and the number of high concentration alarms in the CO gas alarm are 6 times or more, the number of flashes is fixed to prevent the confirmation time from becoming too long. it can.

  Further, since the power lamp / failure display lamp 50 and the CO gas alarm lamp 31b are blinked at different timings depending on the MPU 20, even when both of them blink, the possibility of overlooking one of them can be reduced.

  In the above-described embodiment, when the number of alarms generated is 3 degrees and the high concentration alarm is 2 degrees in the CO gas alarm in the past year, as shown in FIG. The CO gas alarm lamp 31b flashes twice after 50 flashes three times, but not limited to this, as shown in FIG. 12, the CO gas alarm is slightly delayed after the power lamp / failure display lamp 50 flashes once. The lamp 31b may start blinking.

  In the above-described embodiment, the CO gas alarm is described as the number of times of high concentration. However, in the fire alarm lamp 31a and the city gas alarm lamp 31c, the alarms represented by the alarms are high concentration and high risk. A threshold value may be set and displayed by blinking of each lamp.

  In the above-described embodiment, the power lamp / failure display lamp 50 is used as the alarm count display means. However, the alarm count display means is used when another lamp provided in the gas alarm device 1 is in the alarm confirmation mode. You may make it use as.

[Second Embodiment]
Next, the gas alarm device 1 concerning the 2nd Embodiment of this invention is demonstrated with reference to FIG.13 and FIG.14. Note that the same parts as those in the first embodiment described above are denoted by the same reference numerals and description thereof is omitted.

  In the present embodiment, the hardware configuration as shown in FIG. 1 and FIG. 2 and the operation of the gas alarm device 1 shown in FIG. 3 are the same as those in the first embodiment, but the number of alarm occurrences in the past year. The display method corresponding to is different. In the present embodiment, a predetermined number of times is set in advance as the number of alarm occurrences in the past year, and when the actual number of alarm generations is 1 degree or more and less than the predetermined number, the power lamp / failure display lamp 50 is set. If it is blinked and the predetermined number of times is exceeded, the CO gas alarm lamp 31b is blinked.

  FIG. 13 is a timing chart in the case where the number of alarm occurrences is twice in the past year as a predetermined period, and FIG. 14 is a timing in the case where the number of alarms is 6 degrees in the past year as a predetermined period. It is a chart. 13 and 14, the predetermined number of times is set to 6 degrees.

  First, the timing chart of FIG. 13 will be described. In the timing chart of FIG. 13, t1 to t4 are the same as those in the first embodiment. In the case of FIG. 13, since the number of times of alarm generation has been 2 times in the past year, the power lamp / failure display lamp 50 as the first alarm display means is switched 3 times at 1 second intervals from time t5 after the alarm confirmation mode is confirmed. Blink. Then, for example, at the time t6 after one second from the last blinking, an end sound “Peep” is output from the alarm sound output unit 32.

  Next, the timing chart of FIG. 14 will be described. In the timing chart of FIG. 14, t1 to t4 are the same as those in the first embodiment. In the case of FIG. 14, since the number of alarm occurrences has been 6 degrees in the past year, the CO gas alarm lamp 31b as the second alarm display means blinks three times at 1 second intervals from time t5 after the alarm confirmation mode is confirmed. . Then, for example, at the time t6 after one second from the last blinking, an end sound “Peep” is output from the alarm sound output unit 32.

  If the number of alarms generated in the past year has been zero, neither the power lamp / failure indicator lamp 50 nor the CO gas alarm lamp 31b blinks, and the alarm sound output unit 32 reads “Beep” at time t4 as in FIG. The alarm sound output unit 32 outputs an end sound “Peep” at time t5 one second after outputting the definite sound “”.

  According to the present embodiment, when the number of alarm occurrences is 1 to less than 6 degrees in the past year, the power lamp / fault display lamp 50 is blinked, and when the number of alarm occurrences is 6 degrees or more in the past year. Since the CO gas alarm lamp 31b is blinking, whether the number of alarm occurrences in the past year is 6 degrees or more depending on which of the power lamp / failure display lamp 50 or the CO gas alarm lamp 31b is blinking. That is, it is possible to quickly know whether alarms are frequently generated.

  Also, if the number of alarm occurrences has been more than 1 degree and less than 6 degrees in the past year, the power lamp / fault display lamp 50 will blink, and if the number of alarm occurrences has been more than 6 degrees in the past year, the CO gas alarm lamp Since 31b is blinking, when the number of alarm occurrences is 0, neither of them can be blinked to notify a worker or the like that no alarm has occurred.

  In the above-described embodiment, when the number of alarm occurrences is 1 degree or more and less than 6 degrees in the past year, the power lamp / fault display lamp 50 blinks three times, and the number of alarm occurrences is 6 degrees or more in the past year. In this case, the CO gas alarm lamp 31b blinks three times, but it is needless to say that the number is not limited to this number. Whether or not it is at least 6 degrees or more is displayed by using only the power lamp / failure display lamp 50, without blinking when it is 0 to 5 degrees, and blinking when it is 6 degrees or more. You may make it distinguishable.

  In the two embodiments described above, the number of times the alarm has occurred and the number of high concentration alarms in the CO gas alarm are displayed by the number of times the power lamp / fault display lamp 50 and the CO gas alarm lamp 31b blink. A buzzer sound such as “beep” may be output from the alarm sound output unit, or the number of times may be output by voice.

  Further, the above-described embodiments are merely representative forms of the present invention, and the present invention is not limited to the embodiments. That is, various modifications can be made without departing from the scope of the present invention.

  Moreover, although the case where the present invention is applied to a gas alarm device has been described in the above-described embodiment, the present invention is not limited to this, and for example, inspection modes such as a fire alarm device and a gas leak alarm device are set. It can be applied to various alarm devices.

1 Gas alarm (alarm)
10 Sensor part (Abnormality detection means)
20 MPU (history information output means)
24 Memory unit (history information storage means)
30 Alarm section (alarm means)
31b CO gas alarm lamp (history information output means, abnormal number display means, first alarm display means)
40 Inspection switch (start signal input means)
50 Power lamp / failure indicator lamp (history information output means, alarm count display means, second alarm display means)

Claims (8)

In an alarm device having an abnormality occurrence detecting means for detecting an abnormality occurrence in a monitoring region and an alarm means for alarming the occurrence of an abnormality detected by the abnormality occurrence detecting means,
History information storage means for storing history information alarmed by the alarm means;
A start signal input means for inputting a start signal for starting notification of the history information by an external operation;
After the start signal is input from the start signal input means, out of the history stored in the history information storage means, the number of times the alarm means alarmed within a predetermined period and / or the occurrence of abnormality Notification information output means for detecting and outputting the number of occurrences of abnormality equal to or greater than a predetermined threshold among the abnormalities detected by the means;
An alarm device comprising:   The notification information output means repeatedly outputs the number of times that the warning means has issued an alarm and / or the number of occurrences of an abnormality equal to or greater than a predetermined threshold among the abnormalities detected by the abnormality occurrence detection means at a predetermined time interval. The alarm device according to claim 1.   3. The alarm device according to claim 1, wherein the notification information output unit includes an alarm number display unit that blinks and displays the number of times the alarm unit has alarmed. 4.   2. The notification information output means includes an abnormality number display means for blinking and displaying an abnormality occurrence number equal to or greater than a predetermined threshold among the abnormality occurrences detected by the abnormality occurrence detection means. 4. The alarm device according to any one of items 3 to 3.   An upper limit is set for the number of times the alarm means has alarmed and the number of abnormality occurrences equal to or greater than a predetermined threshold among the abnormality occurrences detected by the abnormality occurrence detection means, and the number of times the alarm means has alarmed and / or the abnormality occurrence detection means is When the number of occurrences of abnormality that is equal to or greater than a predetermined threshold among detected abnormality occurrences is greater than or equal to the upper limit, the notification information output means blinks the alarm number display means and / or the abnormality number display means for a certain number of times. The alarm device according to claim 3 or 4, wherein   The alarm device according to any one of claims 3 to 5, wherein the alarm frequency display means and the abnormal frequency display means blink at different timings depending on the notification information output means.   2. The alarm device according to claim 1, wherein the notification information output unit outputs whether or not the number of times the alarm unit has alarmed within a predetermined period is greater than or equal to a predetermined number.   The notification information output means includes a first alarm display means for displaying that the number of times the alarm means has been alarmed is not less than the predetermined number of times, and that the number of times that the alarm means has been alarmed is less than the predetermined number of times. The alarm device according to claim 7, further comprising second alarm display means for displaying.

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