JP4075940B2 - Apartment fire alarm system, residential building receiver - Google Patents

Description

  The present invention relates to an apartment fire alarm system and a housing ridge receiver used therefor.

In recent apartments, each dwelling unit has a sensor line that is connected to the alarm monitoring panel installed in the manager's room, etc. and connected to the dwelling unit receiver that is connected to the control line. Although connected to monitor fires, the Applicant has made it possible for the fire detectors of each dwelling unit in such a system to be easily tested from the entrance of each dwelling unit. A house alarm monitoring call system is proposed.
In this system, as shown in Patent Document 1 below, each dwelling unit is provided with a relay with a test terminal interposed between the fire detector and the dwelling unit receiver. A remote tester is connected to the attached repeater so that the fire alarm test of the dwelling unit can be performed easily.

In addition, for the purpose of improving this system, the Applicant will sequentially test fire detectors connected to the detector line through the dwelling unit receiver in each dwelling unit from the dwelling unit receiver installed in the manager's room. Japanese Patent Application No. 2005-126510 proposes a collective housing alarm monitoring call system that eliminates the need to go to the entrance of each dwelling unit by issuing a notification.
Japanese Patent No. 3338598

By the way, in such a system, when calling the dwelling unit receiver of each dwelling unit, when access is unsuccessful due to a failure of the control line, dwelling unit receiver, dwelling unit receiver is communicating, etc. There is.
In that case, the failure to access the unsuccessful dwelling unit receiver will cause a problem that the fire alarm connected to the sensor line cannot be issued, and the access will be unsuccessful again. Therefore, it was necessary to perform a test report with access to all the dwelling unit receivers including the dwelling unit receiver, and the test reporting efficiency could not be said to be good.

  Therefore, the present invention is proposed in consideration of such circumstances, and access is unsuccessful when the fire detectors of the sensor line are tested and issued by sequentially calling the dwell unit receivers of each dwelling unit. Even if there is a dwelling unit receiver, it is not necessary to redo the test reporting with access to all the dwelling unit receivers, and the purpose is to improve the efficiency of the test reporting.

  In order to achieve the above object, in claim 1, a sensor line connected to a fire sensor is led out, and a dwelling unit receiver installed in each dwelling unit and a dwelling unit receiver are connected by at least a control line. This is a multi-family fire alarm system that has a function to execute a detector remote test mode that fires a fire detector connected to a detector line from a building receiver through a dwelling unit receiver. In mode, while skipping the dwell unit receivers that have been unsuccessfully accessed from the dwelling unit receiver, sequentially access other dwell unit receivers, and then re-access the skipped dwell unit receivers to report the test. By repeating the operation, the fire detectors connected to the respective detector lines of the dwelling unit receiver are sequentially informed of the test.

  Here, skipping the dwelling unit receiver that has been unsuccessfully accessed means that access to the dwelling unit receiver is interrupted and the subsequent housing information panel is accessed.

  According to the second aspect of the present invention, in the sensor remote test mode, the re-access to the skipped dwelling unit receiver is sequentially performed in the skipped order so that the test transmission of the sensor line is performed.

  According to claim 3, a sensor line connected to a fire detector is led out, a dwell unit receiver installed in each dwelling unit is connected by at least a control line, and a fire detection unit connected to the sensor line through the dwelling unit receiver. Residential building receivers used in multi-family fire alarm systems that have the function of executing a sensor remote test mode that triggers the tester for the detector, and access is unsuccessful in the sensor remote test mode. While skipping the receiver, sequentially access other dwelling unit receivers, then re-access the skipped dwelling unit receivers and repeat the test alerting operation to each sensor line of the dwelling unit receiver. It is characterized by the fact that the connected fire detectors are made to issue a test sequentially.

  According to claim 1, when there is a dwell unit receiver that has been unsuccessfully accessed when calling out all dwell unit receivers of the system and performing fire alarm test notification, the dwell unit receiver is skipped. While accessing other dwelling unit receivers in sequence and then re-accessing the skipped dwelling unit receivers, if there is a dwelling unit receiver that has been unsuccessfully accessed, access all dwelling unit receivers again. Therefore, it is not necessary to redo the test report accompanied with the error, and the test report can be made more efficient.

  According to claim 2, since the re-access to the skipped dwelling unit receiver is sequentially performed in the skipped order, the signal processing of the re-access can be simplified, and the access is unsuccessful at the beginning. It is possible to prevent the dwelling unit receiver from being left without being re-accessed.

  According to claim 3, when calling all the unit receivers of the system and performing the test notification of the fire detector, if there is a unit receiver that has been unsuccessfully accessed, the unit receiver is skipped. While accessing other dwelling unit receivers in sequence and then re-accessing the skipped dwelling unit receivers, if there is a dwelling unit receiver that has been unsuccessfully accessed, access all dwelling unit receivers again. Therefore, it is not necessary to redo the test report accompanied with the error, and the test report can be made more efficient.

  Embodiments of the present invention will be described below.

  FIG. 2 is a system diagram showing an example of a schematic basic configuration of the apartment house fire alarm system of the present invention.

  In this apartment house fire alarm system, the transmission line L1 is led out from the dwelling receiver 1, and the dwelling unit receiver 2 of each dwelling unit is connected, and each dwelling unit receiver 2 is connected to the fire detector through the sensor line L2. 3 is connected.

  Here, the transmission line L1 includes a control line L1a and a communication line L1b, which will be described later.

In this system, in the normal mode, the dwelling unit receiver 1 sends out a calling signal including the address of the dwelling unit receiver 1 of each dwelling unit through the control line L1a, so that the dwelling unit receiver 2 breaks down, breaks, The fire signal input from the fire detector 3 to the receiver 2 is monitored.
When an interrupt is received from any of the dwelling unit receivers 2 and a signal notifying that a fire signal has been input from the fire detector 3 is received, a predetermined fire alarm indicating the location where the dwelling unit receiver 2 is installed And alerts neighboring dwelling units on the same floor and directly above the dwelling unit.

  In addition, the dwelling unit receiver 1 performs a call call specifying the address of the dwelling unit receiver 2 of each dwelling unit through the call line L2b, or controls a calling call between the dwelling unit receivers 2 of each dwelling unit. ing.

  In such a system, the detector address of the fire detector 3 is registered in advance for each detector line L2 in the housing ridge receiver 1, and the detector line L2 is obtained by executing a sensor remote test mode to be described later. The test detection of the fire detector 3 connected to the terminal can be performed.

  FIG. 3 is a block diagram illustrating an example of an internal configuration of the dwelling receiver 1.

  The dwelling receiver 1 includes a call switching circuit 11A for switching control of a call path with each dwelling unit receiver 2, a call circuit 11 having a handset H, a multiplex transmission circuit 12, and an audio output unit 13 having a speaker SP. The address of the fire detector S is stored for each of the operation unit 14, the display unit 15, and the sensor line L 2, or the address of the dwelling unit receiver 2 that is not successfully accessed in the sensor remote test mode is stored. A storage unit 16 and a fire detector remote test circuit 17 are provided. The call circuit 11 may be a hands-free device without a handset.

The signal processing unit 10 transmits and receives a calling signal including an address to and from each dwelling unit receiver 2 to monitor the state of the dwelling unit receiver 2 and has a function of controlling each unit.
When the sensor remote test mode is selected and the test switch 18 is operated, the signal processing unit 10 sends the calling signal designating the address of the dwelling unit receiver 2 of each dwelling unit and sequentially accesses it, and the access is successful. The sensor connection signal is transmitted with priority given to the dwelling unit receiver 2, the sensor line L2 and the control line L1a are connected, the test signal is transmitted, and each sensor line L2 is sent depending on whether an operation confirmation signal is returned. A test report of the fire detector 3 connected to is performed.

When all the test reports of the fire sensor S connected to the sensor line L2 are completed, a sensor cutoff signal is sent to disconnect the connection between the control line L1a and the sensor line L2.
The addresses of the unsuccessful access units 2 are sequentially stored in the storage unit 16, and as soon as the test notification of the unsuccessful access unit 2 is completed, these unsuccessful access units. A call signal designating the address of the receiver 2 is sent out and sequentially accessed to perform test notification.

  From the call circuit 11, a call line L1b for sending and receiving call signals is derived, and a call path with the dwelling receiver 1 or other dwelling unit receiver 2 is formed under the control of the call switching circuit 11A. Intercom call is made.

  A control line L1a is derived from the multiplex transmission circuit 12, and transmission / reception of various signals is performed by the multiplex transmission method through the control line L1a.

  The operation unit 14 includes a mode selection switch 19, and the selection of the normal mode and the sensor remote test mode can be specified by the selection operation of the mode selection switch 19, and the test switch 18 is selected and set to the sensor remote test mode. Is operated, it is possible to issue a test report for the fire detector 3 as shown in FIG.

  The fire detector remote test circuit 17 includes a test signal generation circuit unit 17A, a current change detection circuit unit 17B, a sensor circuit drive power supply 17C, and a test switch 18.

  The test signal generation circuit unit 17A sends a test signal designating the address of the fire detector 3 connected to the sensor line L2 through the dwelling unit receiver 2 that has been successfully accessed.

  The current change detection circuit unit 17B detects a current change in the control line L1a connected to the sensor line L2 due to the operation of the fire detector 3 that has received the test signal, and detects this in the sensor line. Let it be an operation confirmation signal from the fire detector 3 connected to L2.

  The sensor line drive power supply unit 17C supplies drive power for the fire detector 3 through the control line L1a when executing the sensor remote test mode.

  FIG. 4 is a block diagram illustrating an example of a main configuration of the dwelling unit receiver 2.

  A sensor line L2 is led out from the dwelling unit receiver 2, and a fire sensor 3 to which a sensor address is added is connected. A termination resistor 6 is connected to the termination of the sensor line L2.

  The dwelling unit receiver 2 includes a call circuit 21 including a control circuit 20, a call switching circuit 21 </ b> A that performs switching control of a call path with the dwelling unit receiver 1 or another dwelling unit receiver 2, an alarm circuit 22, and a microphone 23. And a speaker SP, a memory 24 for storing the address of the dwelling unit receiver 2 and the like, and a line connection switching means 25. Similar to the dwelling receiver 1, the call circuit 25 may be a hands-free device without the handset H.

A control line L1a and a communication line L1b are connected to the control circuit 20, and various signals are transmitted and received through the control line L1a by a multiplex transmission method.
The control circuit 20 responds when a call signal including an address is received from the dwelling receiver 1, and controls the line connection switching means 25 when receiving a sensor connection signal to connect the contacts 25a and 25b to the contacts. aClose.
Further, when the sensor cutoff signal is received from the dwelling receiver 1, the contacts 25a and 25a are closed at the contact b.

  The alarm circuit 22 outputs an alarm when a security sensor (not shown) such as the fire detector 3, a gas leak sensor, or a security switch is triggered. The alarm includes at least an alarm sound and an alarm message.

The line connection switching means 25 has contacts 25a and 25a for switching the connection of the sensor line L2 to the control line L1a side or the control circuit 20 side, and the contact b is closed and the contact a is controlled by the control circuit 20. Switch to either closed.
The contacts 25a and 25b are closed in the normal mode, but are closed in the sensor remote test mode.
In the state where the contacts 25a and 25b are closed, the sensor line L2 is connected to the control circuit 20, and the dwelling unit receiver 2 shorts the sensor line L2 when the fire detector S detects a fire. Then, a short circuit of the sensor line L2 is detected and a fire alarm is output, and a fire signal is sent to the dwelling receiver 1.

On the other hand, in a state where the contact is closed, the sensor line L3 is connected to the control line L1a side, and the dwelling receiver 1 and the sensor line L2 are connected.
The detector remote test mode is performed in this state, and the driving power is sent from the dwelling receiver 1 to the fire detector S through the control line L1a, and the test signal specifying the address is sent. An operation confirmation signal by the notification of S is returned to the dwelling receiver 1.

In the system as described above, the dwelling receiver 1 performs a predetermined alarm process when receiving a fire signal from the dwelling unit receiver 2 in the normal mode, and from the lobby intercom installed at the common entrance of the apartment house. When a call to a specific dwelling unit is received, the dwelling unit receiver 2 of that dwelling unit is called, and a call control is performed between the lobby intercom and the dwelling unit receiver 2, for example, known operations for monitoring calls in a housing complex I do.

  FIG. 5 is a diagram illustrating an example of a main configuration of the fire detector 3. R represents a terminating resistor.

Each of the fire detectors 3 has a control processing unit 30 and a contact 31a. When a fire factor is detected or when a test signal is received, the contact 31a is closed and the detector line L2 is short-circuited to confirm a fire signal or operation. A fire alarm unit 31 that generates a signal and a signal transmission unit 32 that receives a test signal sent from the dwelling receiver 1 through the sensor line L2.
The operation confirmation signal is sent here by short-circuiting the sensor line L2, but this is not a limitation.

Next, the basic operation of the detector remote test mode, which is the main part of the apartment house fire alarm system of the present invention, will be described. FIG. 1 is a flowchart (100 to 113) showing this basic operation.
In this apartment house fire alarm system, a test report for the fire detector 3 can be performed by operating the dwelling receiver 1.
When the detector remote test mode is selected by the selection setting of the mode selection switch 19 and the test switch 18 is operated, the dwelling receiver 1 sequentially increments the address of the dwelling unit receiver 2 of each dwelling unit. A call signal including an address is transmitted to access and wait for a response.

Then, for the dwelling unit receiver 2 that has not responded, while skipping and storing the address, to the dwelling unit receiver 2 that has responded, a sensor connection signal is sent to the sensor line L2 and the control line L1a. A test signal designating the address of the fire detector 3 registered in accordance with the sensor line L2 is transmitted.
The fire detector 3 that has received the test signal sends out an operation confirmation signal if the operation is normal. Therefore, the dwelling receiver 1 determines that the fire detector 3 to which the operation confirmation signal has been returned is normal. On the other hand, the fire detector 3 that has not returned the operation confirmation signal is determined to be abnormal, and an abnormality process such as displaying the address, installation location, and the like of the fire detector 3 is performed.
When the test report of the fire detector 3 is completed for each sensor line L2, a sensor cutoff signal is sent to the dwelling unit receiver 2 to which the sensor line L2 is connected, and the sensor line L2 and the control line L1a are sent. Disconnect the connection.

After the access of all the dwelling unit receivers 2 is completed, the dwelling unit receivers 2 that have been skipped and stored are accessed again.
That is, the dwelling unit receiver 1 sequentially accesses the skipped dwelling unit receivers 2 in the order in which they are stored, and the fire detectors 3 registered for each sensor line L2 with respect to the dwelling unit receivers 2 that responded. The process of sending a test signal designating the address of the first and skipping the dwelling unit receiver 2 that has not responded and storing the address is repeated until access to all the dwelling unit receivers 2 in the system is successful.

The flowchart which shows an example of the basic operation of the sensor remote test mode which makes the principal part of this invention system System diagram showing an example of a schematic basic configuration of the system of the present invention The block diagram which shows an example of the principal part structure of a residence ridge receiver The block diagram which shows an example of the principal part structure of a dwelling unit receiver Block diagram showing an example of the main configuration of a fire detector

Explanation of symbols

1 Dwelling unit receiver 2 Dwelling unit receiver 3 Fire detector L1a Control line L2 Sensor line

Claims (3)

To derive a sensor line connecting the fire detectors, a dwelling receiver installed in each dwelling unit, connected by at least the control lines and Houses receiver, through dwelling receiver from Houses receiver, sensor lines This is a multi-family housing fire alarm system that has a function to execute a remote test mode of a sensor that sends a test signal designating the pre-registered fire detector address of each fire detector and triggers the fire detector to issue a test. And
In the sensor remote test mode, skip the dwell unit receiver that was not successfully accessed from the dwell unit receiver, and sequentially access other dwell unit receivers while storing the address of the skipped dwell unit receiver. After that, the dwell unit receiver with the address that was skipped and memorized was re-accessed, and the detector address of the fire detector registered for each detector line was specified for the dwell unit receiver that responded. Fire connected to each sensor line of the above dwelling unit receiver by repeating the operation of sending the test signal and skipping the dwelling unit receiver that did not respond again and storing the address of the skipped dwelling unit receiver An apartment fire alarm system characterized by the fact that the detectors are made to test sequentially. In claim 1,
In the sensor remote test mode, the re-access to the skipped dwelling unit receiver is performed sequentially in the skipped order so that the test notification of the sensor line is performed. Deriving a sensor line connected to a fire sensor, connecting a dwell unit receiver installed in each dwelling unit with at least a control line, and through the dwelling unit receiver, a detector for a fire sensor registered in advance for each sensor line Used in apartment fire alarm systems with a function to execute a sensor remote test mode that sends a test signal with an address to test fire alarms connected to the sensor line,
In the above sensor remote test mode, skip the dwell unit receiver that was not successfully accessed , store the address of the skipped dwell unit receiver, sequentially access other dwell unit receivers, then skip and store. and re-access the dwelling unit receiver address had been for dwelling receiver that respond sends out a test signal specifying the registered address of the fire detector has for each sensor lines, the response again By repeating the operation of skipping dwelling unit receivers that did not exist and storing the address of the skipped dwelling unit receiver, the fire detectors connected to the respective detector lines of the dwelling unit receivers can be tested and issued sequentially. A residential ridge receiver.

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