JP3295194B2 - Fire alarm system - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fire alarm system in which a terminal device is connected to a receiving section, an address is assigned to the terminal device, and a terminal device whose state has changed is detected.

[0002]

2. Description of the Related Art In a fire alarm system for connecting a terminal device such as a fire detector to a receiving unit, assigning an address to the terminal device, and detecting a terminal device whose state has changed, the state of the terminal devices is changed. A fire alarm system disclosed in Japanese Patent Application Laid-Open No. Hei 2-201597 has been proposed for the purpose of allowing the receiving unit to quickly grasp what has changed.

In this conventional example, terminal devices are divided into a plurality of groups, and the timing at which the terminal devices respond to the receiving unit differs for each group of terminal devices. The terminal device whose status has changed responds to the receiving unit (performs system polling). Next, in this system polling, the timing of responding to the receiving unit for each terminal device in the group to which the terminal device responding to the receiving unit belongs is determined. The terminal device that has changed and changed the state responds to the receiving unit at its own response timing (performs point polling), calls the terminal device that responded to the receiving unit in this point polling, and the receiving unit transmits predetermined information from the terminal device. (Selecting).

[0004] In this way, the operation of obtaining predetermined information is executed only for the terminal device whose state has changed, and the operation of obtaining information is not executed for the terminal device whose state does not change. A change in the state of the terminal device can be grasped in a shorter time than in a case of sequentially obtaining predetermined information.

[0005]

However, among fire detectors, there is a non-storage type fire sensor having no storage function. In the case of this non-storage type fire detector, a fire receiver is stored in the storage device. Perform the operation. That is, after the fire receiver has determined that the fire detector has detected a level higher than the fire determination level, the fire receiver checks the level of the fire detector at predetermined timings and continuously exceeds the predetermined level. If the number of times exceeds a predetermined number, the accumulation in the fire detector is terminated, and it is determined that a fire has been detected and an alarm is issued.
After this storage is complete, the receiver is not required to collect information from the fire detector since its operation has been determined.

However, even if the operation of the fire detector is determined, if the detected smoke density falls below the fire determination level, the fire detector determines that the state has changed. In the above-mentioned conventional example, since the response to the fire receiver is made when the state of the fire detector changes, even if the state returns to the state indicating the non-fire phenomenon, it is necessary to respond to the fire receiver. Become. Therefore, if the detected smoke concentration falls below the fire determination level as described above, the fire detector will respond again, and if the detected smoke concentration rises above the fire determination level, the fire detector will turn off. And responds to the receiver.

That is, even after the operation of the fire detector is determined and the fire receiver gives an alarm according to the fire detector,
If the detected smoke concentration repeatedly increases and decreases in the vicinity of the fire detection level, the fire detector frequently responds to the fire receiver, and as a result, the number of responses to the fire receiver becomes unnecessarily large,
There is a problem that the processing of the fire receiver is delayed.

In the storage type fire detector, the detector itself performs a storage operation, and after the storage is completed, the operation is determined in response to the fire receiver. Thereafter, the detected smoke density becomes lower than the fire determination level. When it decreases, the state changes and responds to the fire receiver. After that, when the detected smoke density increases above the fire determination level, the accumulation starts again, and when the accumulation ends, it responds to the fire receiver. Therefore, even in the storage type fire detector, if the detected smoke concentration repeatedly increases and decreases near the fire determination level, the number of responses to the fire receiver becomes unnecessarily large, and the processing of the fire receiver is delayed. is there.

The transmitter is the same as the storage type fire detector in that the operation is determined when the response signal is transmitted to the fire receiver. Therefore, the transmitter is provided with the storage type fire detector. There is a similar problem with. That is, when the switch is turned on after the switch is turned on, it means that the state of the transmitter has changed. Therefore, the transmitter responds to the fire receiver, and when turned on again, it responds to the fire receiver. Therefore, when the switch of the transmitter is repeatedly turned on and off, the number of responses to the fire receiver becomes unnecessarily large, and there is a problem that the processing of the fire receiver is delayed.

By the way, the fire detector connected to the fire receiver has one type of fire discrimination level (5% / in terms of dimming rate).
m), two types of fire discrimination levels (levels of 10% / m smoke density), 3
There is a multi-signal fire detector having at least two levels among the types of fire determination levels (levels for determining a fire at a smoke density of 15% / m). If the fire detector outputs signals corresponding to two types of fire determination levels, two and three, and if the fire receiver attempts to determine a fire at, for example, two types of fire determination levels, the smoke density gradually increases. Then, after the fire detector outputs signals corresponding to the two fire discrimination levels and the operation is determined at the two fire discrimination levels, when the smoke density further increases and reaches the three fire discrimination levels, The fire detector responds again to the fire receiver. Also in this case, there is a problem that the number of responses to the fire receiver becomes unnecessarily large, and the processing of the fire receiver is delayed. Note that heat,
The same applies to the detection of phenomena other than smoke, such as light, gas, and odor.

According to the present invention, in a fire alarm system for performing system polling, point polling, and selecting of a plurality of terminal devices, after the operation of the terminal devices is determined,
It is an object of the present invention to provide a fire alarm system that does not delay the processing of the fire receiver even if the detection level repeatedly increases and decreases in the vicinity of the fire determination level. By the way, fire
The fire detector of the terminal device connected to the receiver
If one type of fire discrimination level (smoke density of 5% / m
Fire discrimination level) and two types of fire discrimination levels (1
0% / m smoke density for fire detection), 3 types of fires
Discrimination level (level for discriminating fire at 15% / m smoke density)
). In the above conventional example
Using this multi-signal fire detector,
Second, when the smoke density reaches 5% / m,
The multi-signal fire detector detects the state change and the multi-signal fire detector
The fire detector responds to the fire receiver and the smoke density is 10% / m
The multi-signal fire detector changes state again when
Detect and multi-signal fire detector responds to fire receiver again
When the smoke density reaches 15% / m, a multi-signal fire
The detector detects further status changes, and a multi-signal fire detector
Responds to the fire receiver. On the other hand, multi-signal fire detectors
The smoke density value to be detected increases monotonically even if it is increasing
Ripple repeatedly increases and decreases instead of doing
Is normal, and the detected smoke concentration is close to a certain fire determination level.
It may go up and down by the side.
When the fire detection level is exceeded, the fire detector
Responds to the fire receiver and the detected smoke density
When the fire detector drops below the discrimination level,
The state changes and responds to the fire receiver and repeats this. I
Therefore, the detected smoke density increases or decreases near the fire determination level.
Repeatedly, the number of responses to the fire
You. Here, for example, the desired fire of a multi-signal fire detector
Two types of fire discrimination levels (10% / m smoke
Concentration), if the smoke concentration gradually increases, one type
At the fire discrimination level (smoke density of 5% / m)
Responds to the receiver, after which the detected smoke density is one type of fire discrimination
In the vicinity of the level repeatedly increases and decreases (multi-signal fire detector is
ON and OFF are repeated at one type of fire discrimination level)
The number of responses to disaster receivers has increased
There is a problem that processing is delayed. The fire to be detected
The same applies when the phenomenon is heat, light, gas, smell, or the like. Book
The invention provides system polling and
Multi-signal fire detection with topling, selecting, etc.
The receiving unit determines the level signal received from the
Type fire detector at a predetermined fire discrimination level (for example, two types of fire
When using at the fire level, the specified fire level
Low smoke density (for example, one fire discrimination level)
When the signal fire detector repeatedly turns on and off
In addition, the number of response signals to the
Providing fire alarm equipment to prevent delays in processing
It is the purpose.

[0012]

According to the present invention, when performing system polling, point polling, selecting, and the like on a plurality of terminal devices, a fire determination command for stopping the response to the receiving unit is issued to the terminal device whose operation has been determined. What to send. Also, the present invention relates to a method for receiving smoke from a multi-signal fire detector.
The receiver level of a fire receiver or the like determines the level of
If the level is not the desired fire discrimination level,
Regarding the fire discrimination level,
Send a level stop command to stop sending the response signal to the sensor
Multi-signal type fire detector
Will not respond to the receiver at that fire discrimination level.
You.

[0013]

According to the present invention, when performing system polling, point polling, and selecting a plurality of terminal devices, the receiving unit sends a fire determination command to the terminal device whose operation has been determined,
In system polling and point polling, the terminal device that has received the fire determination command stops responding to the receiving unit, so after the operation of the fire detector is determined, the detection level repeatedly increases and decreases near the fire determination level, etc. However, no response is made to the fire receiver, and the processing of the fire receiver is not delayed. The present invention also relates to a multi-signal fire detector.
The receiver determines the level of smoke received from the
If the bell is not at the desired fire discrimination level,
Fire detection level, then multi-signal fire detector
Sends a level stop command to stop sending response signals
And the multi-signal fire detector that received the level stop command
Because it does not respond at the fire discrimination level,
Multi-signal fire detection with smoke density lower than the regular fire detection level
Even if the device is turned on and off repeatedly,
Delay in the processing of the receiver because the number of response signals to
Can be prevented.

[0014]

1 is a time chart showing an embodiment of the present invention, FIG. 2 is a wiring diagram of a fire alarm system to which the above embodiment is applied, and FIG. 6 is a time chart illustrating an operation.

In the example shown in FIG. 2, a fire detector RE (smoke type, thermal type, flame type,
Gas type, smell type fire detectors), transmitter P, repeater R
Various terminal devices such as P are connected, different addresses are assigned to these terminal devices, and these terminal devices are divided into four groups G0, G1, G2, and G3.

The group G0 includes three fire detectors S and one transmitter P, the group G1 includes three fire detectors S and one transmitter P, and the group G2 includes: Two fire detectors S, one repeater RP, and one transmitter P belong to the group G3, and three fire detectors S and one transmitter P belong to the group G3. The addresses of the terminal devices are assigned address 0, address 1, address 2,..., Address 15 sequentially from the first address of the group G0. A plurality of on / off general sensors (having no address) for transmitting a fire signal due to a short circuit between wires are connected to the repeater RP at the address 10. In this example, the number of terminal devices in one group is 4
Although the number may be other than four, and the number of groups is four, the number of groups may be divided into groups other than four.

The receiver RE has a local acoustic connection line L
2, a plurality of district bells B are connected, a plurality of smoke elimination devices ER are connected via a smoke elimination connection line L3, and a plurality of displays are connected via a display connection line L4. .

In the above embodiment, the control system terminal devices such as the district bell B, the smoke control device ER, and the display device AN are not assigned addresses, and the individual signal lines L2 for each terminal device or system are not provided. L4 is turned on and off (so-called P wiring connection), and the monitoring system terminal devices such as the fire detector S, the transmitter P, and the repeater RP are serially transmitted by two common power / signal lines L1. The address can be designated by such as, and can be controlled individually (so-called R wiring connection).

The receiver RE normally performs system polling,
Before performing point polling and selecting,
It performs system polling for transmitter, point polling for transmitter, and selecting.

Here, "normal system polling"
The terminal devices are divided into a plurality of groups in advance, and instead of specifying the terminal device whose status has changed, only the presence or absence of the terminal device whose status has changed is checked for each group, that is, polling is performed. The timing of responding to the terminal RE is made different for each group of terminal devices, and the terminal device whose state has changed responds to the receiver RE at the response timing assigned to the group to which the terminal device whose state has changed (for example, the pulse Polling (responding by sending).

"Normal point polling" is polling for specifying a terminal device that has responded to normal system polling (that is, polling for specifying a terminal device that has undergone a state change). Terminal equipment belonging to the receiver R
E makes a call, and changes the timing of responding to the receiver RE (for example, the timing of responding by sending a pulse) for each terminal device in the group, and the terminal device whose state has changed is assigned to the terminal device itself. The polling is a response to the receiver RE (for example, a response by sending a pulse) at the timing of response to the device RE.

In the "selecting" in the normal point polling, when the terminal device responds to the receiver RE in the normal point polling, the terminal device which responded in the normal point polling among the terminal devices in the corresponding group is determined by the receiver RE. The polling is called individually, and specific information is collected by the receiver RE (for example, collected by a code signal).

"System polling for transmitter"
Only the transmitters among the terminal devices are divided into a plurality of groups in advance, and instead of specifying the transmitter whose status has changed, only the presence or absence of a transmitter whose status has changed is determined for each group. Polling to check, ie, the receiver R
The timing of responding to E is made different for each group of transmitters, and the transmitter whose state has changed responds to the receiver RE at the response timing assigned to the group to which it belongs (for example, responds by sending a pulse). Polling.

The "transmitter point polling" is a polling for specifying a transmitter that has responded to the transmitter system polling. A transmitter belonging to a group responding to the receiver RE in the transmitter system polling is called. The timing of responding to the receiver RE is made different for each transmitter in the group, and the transmitter whose state has changed responds to the receiver RE at the response timing assigned to itself (for example, responds by transmitting a pulse). Polling.

"Selecting" in the transmitter point polling means that, when the transmitter P responds to the receiver RE in the transmitter point polling, the transmitter P in the group responds in the transmitter point polling. The called transmitters P are individually called, and the receiver RE collects specific information (for example, collects with a code signal).
Polling.

The receiver RE sequentially calls a plurality of terminal devices to request transmission of specific information, and when receiving the specific information from the terminal device, disconnects the line between the receiver and the terminal device. Is determined not to have occurred. Also,
When the type information is used as the specific information, the receiver R
E transmits the type information received from the terminal device and the type information of the terminal device registered in the receiver RE to the receiver RE.
Are collated, and if the two types of information do not match, it is determined that the type of the terminal device has been changed.

Next, the operation of the above embodiment will be described.

First, in FIG. 1 and FIG. 3, the operation proceeds from the upper left to the upper right, the operation proceeds from the right end to the left end one level lower, and the processing proceeds sequentially in this way.

In FIGS. 1 and 3, the receiver R is shown on the horizontal line.
The operation of E is shown, and the operation of the transmitter P or the terminal equipment other than the transmitter P is shown below the horizontal line. In FIGS. 1 and 3, a broken-line frame indicates a response timing of a signal indicating that a state change has occurred, and if there is no description in the broken-line frame, a signal indicating a state change is transmitted to the transmitter P. Alternatively, it indicates that a terminal device other than the transmitter P did not output (that is, did not respond to polling), and when a pulse waveform is described in the frame of the broken line, It indicates that the response has been made to the receiver RE at the timing, and a signal returned by the transmitter P or the like to the receiver RE is shown in a solid frame below the horizontal line.

FIG. 1 is a time chart (ie, a normal time chart) when there is no transmitter P or the like whose state has changed in the above embodiment, and FIG. It is a time chart when it exists.

First, at P1 in FIG. 1, prior to the normal system polling, a system polling for the transmitter is performed in order to determine the presence or absence of the activated transmitter P. That is, all the terminal devices are grouped into several groups (grouped into four groups in FIG. 1), and the receiver RE sends out a signal SPAD · CM1 indicating a status information return command in system polling for the transmitter. The transmitter P (operated transmitter) P whose state has changed with respect to has changed its state at each response timing of the groups G0 to G3 to which the transmitter belongs (response timings different from each other are given in advance for each group). By sending a pulse indicating this to the receiver RE.

In this transmitter system polling, if there is no transmitter P whose state has changed, then
At P2 in FIG. 1, normal system polling is performed to determine whether or not all terminal devices including the transmitter P have changed. That is, the receiver RE performs the code SPAD · C indicating the status information return instruction in the normal system polling.
M2 is sent, and if there is a terminal device whose state has changed, the terminal device belongs to the group G0 to G3 to which it belongs.
At each response timing (a different response timing is assigned in advance to each group), a response indicating that the state has changed is sent to the receiver RE.

In this normal system polling, if there is no terminal device whose state has changed, then disconnection determination selection is performed for the terminal device at address 0 in P3 of FIG. That is, in order to determine the disconnection of the terminal device at address 0 (that is, to determine the presence or absence of connection), the code SAD indicating the type information return instruction
(N) · CM3 (n is a number indicating an address, in this case, 0), and in response, a code SAD indicating the own address and the type of the fire detector is sent from the terminal device at the address 0. (N) If the ID (ID is a type and n is 0) is returned to the receiver RE, the receiver RE can confirm that no disconnection has occurred with the terminal device at the address 0.

Thereafter, in P4 of FIG. 1, the same system polling for the transmitter as in P1 is performed again, and in P5 in FIG. 1, the same normal system polling as in P2 is performed again. In P6 of FIG. 1, the disconnection determination selection is performed for the terminal device at address 1 which is the next address, which is the same as the disconnection determination selection in P3, and the transmitter system polling in P1 is performed in P7 in FIG. Transmitter system polling is performed, and these operations are repeated. That is, the system polling for the transmitter and the normal system polling are repeated, and each time the system polling is completed for one cycle, disconnection discrimination selecting is performed on the terminal device whose address is incremented by one.

In the above-described embodiment, even if the normal system polling and the subsequent normal point polling and selecting take a long time, the transmitter system polling is always executed prior to the normal system polling. Therefore, when the transmitter P operated by human judgment operates, the transmitter P
The receiver RE can quickly grasp the fire information from the fire alarm, and the larger the fire alarm system, the greater its effect.

In the above embodiment, in the fire alarm equipment provided with a monitoring terminal device for monitoring a fire phenomenon, a receiver, and a control terminal device controlled by the receiver, a monitoring terminal is provided. Different addresses are assigned to each of the devices, and the monitoring terminal device and the receiver communicate by serial transmission via the address (R wiring), and the control terminal devices are turned on / off by their own signal lines. Connected to the receiver (P wiring).

That is, all the district bells B are connected between the two signal lines, and the district acoustic connection line L2 is simultaneously turned on and off. The smoke prevention connection line L3 is composed of one common line and another signal line to each smoke prevention device ER, that is, (the number of smoke prevention devices ER + 1) signal lines. Equipment ER
Are individually controlled on and off. The display unit connection line L4 is composed of a plurality of signal lines based on the number of display contents, all the display units are connected between these signal lines, and common contents are controlled by on / off control of predetermined signal lines. The display is controlled on the display. The monitoring system terminal connection line L1 is composed of two signal lines, all the fire detectors S and the transmitters P are connected between the two signal lines, and each device has an individual address. The information is individually transmitted and received by transmitting and receiving signals by assigning an address. In the above-described embodiment, the control of the district bells B is performed simultaneously. However, the control may be performed separately as in the smoke prevention connection line L3, and the individual bells may be controlled.

As described above, when the terminal equipment of the monitoring system is connected by the R wiring and the terminal equipment of the control system is connected by the P wiring,
Since a minimum of two R wirings are required to connect to the monitoring terminal equipment, the wiring space can be reduced. In the case of a small-scale fire alarm system with a small number of control terminal equipment, the control system requires Since the number of P wirings connected to the terminal equipment is small, the wiring space can be reduced, and a repeater is required when the control system terminal equipment is R-wired. Since it is connected by P wiring, no repeater is required, and the space for installing the repeater can be effectively used. Further, not only the space for signal lines and the like is reduced, but also the wiring is different between the monitoring system and the control system, so that fire monitoring can be performed promptly, transmission processing of command codes and the like is reduced, and the The burden is reduced, and the determination becomes easier.

It is sufficient that at least one of a fire detector, a repeater, and a transmitter is connected as a terminal device of the monitoring system, and a local sound device, a fire door, a smoke proof device, and the like are used as the terminal devices of the control system. It is only necessary that at least one of controlled devices such as a damper and a display device is connected.

FIG. 3 is a time chart showing the operation when the status of the transmitter P and the terminal equipment other than the transmitter P has changed in the system polling for the transmitter and the normal system polling in the above embodiment.

At P10 in FIG. 3, the system polling for the transmitter is performed. Since the pulse is returned from the transmitter P at the second timing, one of the transmitters P belonging to the group G1 responds (transmits). The state of the machine P changes)
In P11 of FIG. 3, the group G1
, A transmitter point polling is performed. That is, the receiver RE sends to the terminal device a code GAD (g) · CM1 indicating transmitter point polling for determining which of the transmitters P belonging to the group G1 has responded (g denotes the group. Number, in this case 1
Since the pulse is returned from the transmitter P at the fourth timing belonging to the group G1 in response to this polling, the address of the fourth address 7 among the four transmitters P belonging to the group G1 is returned. This means that the transmitter P (the eighth transmitter P) has responded, and at P12, the receiver RE performs a selecting operation on the transmitter P at the address 7 to request data.

That is, the receiver RE transmits the code SAD indicating the status information return instruction to the terminal device at address 7.
(N) · CM0 (n is a number indicating an address, in this case, 7) is transmitted. In contrast, address 7
Is a signal SAD (n) · DA indicating the self address and the data to be sent (where DA is the data to be sent, in this case a fire signal is set as data,
n is 7) to the receiver RE.

At P13 in FIG. 3, the receiver RE sends a code SAD (n) .CM4 indicating a fire determination command to the eighth transmitter P based on the received data DA.
(N is a number indicating an address, in this case 7)
Is sent. As a result, the eighth transmitter P turns on the response light, and it is possible to reliably display that the eighth transmitter P has issued an alert.

Here, the "fire determination command" is a "command for stopping the terminal device whose operation has been determined among the terminal devices from responding to the receiver RE". When the receiver RE determines that the terminal device has detected a fire based on the status information collected by the receiver RE from the terminal device by the selecting and performs an alarm process such as display of a fire area (ie, the terminal). When the fire on the device is confirmed), the fire confirmed status for the terminal device is
Do not release until a fire recovery operation is performed. If the terminal device continues to respond to system polling and point polling after the fire is determined, the receiver RE performs meaningless processing on the terminal device even though the fire determination is maintained. The polling and selecting operations for other terminal devices whose operations have not been determined are delayed due to the meaningless processing.

For this reason, the terminal equipment for which the fire has been determined (that is, the terminal equipment whose operation has been determined) is transmitted to the receiver RE.
Sends out a fire confirmation command by selecting, and thereafter stops the terminal device from responding to system polling and point polling. In the above description, the case where the fire is confirmed has been described. However, a failure occurs in the fire detector (for example, the light emitting element stops emitting light).
Also, when the operation is determined, for example, when the secondary side of the repeater breaks the electric circuit on the secondary side, etc., the response to the system polling and the point polling may be stopped by the fire determination command.

In the case of the transmitter P, when the push button is pressed, the receiver RE displays the fire area or address,
Since an alarm is issued, the operation of the transmitter P is determined.

Therefore, the eighth transmitter P, which has received the fire determination command SAD (7) · CM4 from the receiver RE,
Stop responding to subsequent system polling and point polling. When the processing for the fire is completed and the equipment is restored, the fire restoration instruction SP
When AD / CM6 is transmitted from the receiver RE, the transmitter P, which has received the fire determination command as described above, is restored by the fire restoration signal.

After the system polling for the transmitter, the point polling for the transmitter, the selecting, etc. are completed, the normal system polling, the normal point polling, the selecting, etc. are performed.

That is, normal system polling is performed at P20 in FIG. 3, the state of terminal equipment such as the fire detector S belonging to the group G2 changes, and normal point polling is performed at P21 in FIG. That is, P
At 20, the receiver RE sends out a code SPAD.CM2 indicating a status information return command by normal system polling, and a pulse is returned at the third timing, and P2
In step 1, a status information return command GAD (g) .CM2 by normal point polling is sent to the terminal device of group G2 (g is a number indicating the group, in this case, 2
Since the pulse is returned from the terminal device at the second timing, of the four terminal devices belonging to the group G2, the second terminal device (the tenth terminal device)
Has changed, and at P22 in FIG. 3, the receiver RE performs a selecting operation on the tenth terminal device (the terminal device at the address 9) to request data. That is, the receiver RE transmits the address of the terminal device that has received the response signal and the status information return instruction SAD (n).
CM0 (n is a number indicating an address, in this case, 9). On the other hand, the terminal device having the address 9 sends the code SAD (n) · DA (where n is 9 and DA is the data to be sent) indicating the self address and the data to be sent to the receiver RE. .

At P22 in FIG. 3, the receiver RE performs necessary operations on the signal level of the data DA based on the received data DA. Explaining this signal level, a fire detector usually has, for example, one to three levels in the case of a smoke detector, and more specifically, a smoke density of 5% / m in terms of dimming rate. 1 kind, 10% / m 2
Species, 15% / m, is set to three levels. Then, a fire determination level at which a fire alarm should be performed is stored for each address in a storage unit described later in the receiver RE.
Linked information for each level (information on the operation of controlled terminal equipment, etc.)
Is stored, and the operation according to the level is performed. Receiver R
E determines whether or not the data from the terminal device at the address 9 is a signal (for example, a two-level signal) for which a fire alarm should be issued, and if the data received from the terminal device is, for example, a one-level signal, FIG. In P23 of No. 3, a level stop command SAD (n) .CM5 (in this case, n is 9) is sent to the terminal equipment at address 9 indicating that the signal at that level is not necessary.

Here, the "level stop command" is used to determine the level signal of smoke or the like received from the fire detector in the selecting, and if the received level signal is not the level signal of the desired fire determination level. Then, the command for stopping the transmission of the response signal to the fire detector with respect to the received level signal ". Therefore, the fire detector S that has received the level stop command does not subsequently respond with respect to the level whose response has been stopped.

One type of fire equivalent level (level for distinguishing a fire at a smoke density of 5%) and two types of fire equivalent level (1
It has a plurality of discrimination levels, such as a level for discriminating a fire at 0% smoke density) and three types of fire equivalent levels (a level for discriminating a fire at 15% smoke density). Then, it is effective to use the above-mentioned level stop command for a multi-signal fire detector that sends out a corresponding level signal. In other words, the receiver RE determines the level of the signal received from the multi-signal fire detector, and if the received fire level of the received level signal is not the level signal corresponding to the desired fire level, the received signal is received. Regarding the level signal, the multi-signal fire sensor sends a level stop command to stop the transmission of the response signal to the multi-signal fire sensor. Receiver R by point polling
Do not respond to E. Therefore, even if the multi-signal fire detector is repeatedly turned on and off at a smoke density lower than the level at which the receiver RE determines that a fire has occurred, useless response signals due to this are not sent to the receiver RE. It is possible to prevent processing delay in the receiver RE.

In the above embodiment, when performing system polling, point polling, and selecting a plurality of terminal devices, a fire determination command is sent to the terminal device whose operation has been determined, and a response to the receiver RE in system polling and point polling is sent. To stop, but
As the “terminal device whose operation has been determined”, in addition to the transmitter P that has transmitted the fire signal to the receiver RE, the accumulation type fire sensor that has transmitted the fire signal to the receiver RE, and the accumulation by the receiver RE has been completed. There is a non-storage type fire detector.

As described above, when performing system polling, point polling, and selecting a plurality of terminal devices, a fire determination command is sent to the terminal device whose operation has been determined, and the response to the receiving unit is stopped. Even if the detection level of smoke or the like repeatedly increases and decreases in the vicinity of the fire-equivalent level after the determination is made, no response to the receiver is made, and the processing of the receiver is not delayed. When the equipment is restored, the receiving unit sends a fire restoration command signal to the terminal device, and the terminal device that has received the fire determination command is restored by the fire restoration command. Also, the multi-signal fire detector that has received the level stop command is restored by the fire restoration command.

FIG. 4 shows the fire receiver R in the above embodiment.
FIG. 9 is a block diagram showing an example of E and an example of a device connected to the receiver RE.

The receiver RE includes a microprocessor MPU
1, RAM 11, RAM 13 to RAM 19, and ROM
It has 11 to ROM13, IF11 to IF14, signal transmission / reception unit TRX1, operation unit OP, display unit DP, and device control unit ERC.

The ROM 11 is a storage area for programs and the like relating to the flowcharts shown in FIGS. The microprocessor MPU1 and the ROM 11 include a normal system polling unit for performing normal system polling, a normal point polling unit for performing normal point polling, a selecting unit for performing selection,
It is an example of a transmitter system polling means for performing a transmitter system polling and a transmitter point polling means for performing a transmitter point polling.

The ROM 12 has a transmitter P, a fire detector S,
This is a terminal device map table storage area that stores the addresses of the terminal devices such as the repeater RP and the types of the terminal devices in the initial setting state. The ROM 13 is a storage area of an interlocking control table for interlocking control of controlled devices such as smoke elimination devices ER based on a fire signal from a terminal device.

The RAM 11 is a work area. RAM
Reference numeral 13 stores the group number g of the group to which the transmitter P or a terminal device other than the transmitter P to which the response signal has been transmitted belongs based on the timing of receiving the pulse at the time of the system polling for the transmitter or the normal system polling. Area. The RAM 14 is an area for storing the number m in the transmitter P or a group of terminal devices other than the transmitter P that has transmitted the response signal based on the timing of receiving the pulse at the time of the transmitter point polling or the normal point polling. It is.

The RAM 15 is a storage area for storing the control contents executed in the transmitter system polling or the normal system polling. The RAM 16 is an area for storing a terminal device number to be controlled in the selecting and its control contents (for example, a test command, a fire determination command, a level stop command). The RAM 17 is a storage area for status information collected from each terminal device. RAM18
Is a storage area of the type (ID) of the terminal device actually connected. That is, at the time of initial setting, the ROM 12
Is loaded, and thereafter the contents are changed according to the type information collected by the disconnection monitoring selection. RAM19
Is an area for storing an address of a terminal device determined to be in a disconnected state by disconnection monitoring selecting.

FIG. 5 is a block diagram showing the photoelectric smoke detector S in the above embodiment.

The photoelectric smoke detector S includes a microprocessor MPU2, RAM21 to RAM25, and ROM21 to RO.
M23, IF21 to IF24, signal transmitting / receiving unit TRX2,
A clock source CL, a light emitting diode LD for smoke detection,
It has a photodiode PD, a test lamp TL, and a light emitting diode LED as an operation confirmation lamp.

The ROM 21 is a storage area for programs and the like relating to the flowcharts shown in FIGS. 8 and 18 to 21. The ROM 22 is a storage area for the self-address terminal number of the terminal device itself, the type ID of the terminal device, and the like. ROM2
Reference numeral 3 denotes a storage area for various determination criteria for fire, failure, and the like.
Note that a dip switch or the like may be used instead of the ROM 22.

The RAM 21 is a work area,
An area 22 stores current state information.
23 is an area for storing the status information sent to the receiver RE, and RAM 24 is an area for storing various flags.
The RAM 25 stores a terminal device group number g, a group number m, and a transmission address n required for transmission calculated from its own terminal device number at the time of initialization (S1) described later.
Storage area. The signal transmitting / receiving unit TRX2 is similar to the signal transmitting / receiving unit TRX1.

FIG. 6 is a block diagram showing the transmitter P in the above embodiment.

The transmitter P is a microprocessor MPU
3, RAM31 to RAM35, ROM31, ROM3
2, IF32 to IF34, a signal transmission / reception unit TRX3, a push-button type switch SW to be operated in case of fire, and a light emitting diode LED as a response lamp.

The ROM 31 is a storage area for programs relating to the flowcharts shown in FIG. 9 and FIGS. 22 to 25, and the ROM 32 is a storage area for the transmitter P's own address and type. Note that a dip switch or the like may be used instead of the ROM 32.

The RAM 31 is a work area.
Reference numeral 32 denotes an area for storing current state information.
An area 33 stores the state information sent to the receiver RE. The RAM 34 is a storage area for various flags, and the RAM 35 is a storage area for the group number g of the transmitter P required for transmission, the number m in the group, and the address n for transmission. The signal transmitting / receiving unit TRX3 is similar to the signal transmitting / receiving unit TRX1.

FIG. 7 shows the fire receiver R in the above embodiment.
6 is a flowchart showing a basic operation of E.

First, initialization is performed (S1), and an address L for performing disconnection discrimination selecting is set to "0" (S2). Then, prior to the normal system polling, system polling for the transmitter is performed (S
3) When there is a response from the transmitter to the transmitter system polling (S4), transmitter point polling is performed for the responding group (S4).
5) When there is a response from the transmitter to this transmitter point polling (S6), selecting is performed for the responding transmitter (S7), and control is performed when there is a control interrupt. An interruption process is performed (S8, S9), and the process returns to the transmitter system polling (S3).

On the other hand, if there is no response from the transmitter P when the system polling for the transmitter is performed (S4), it means that none of the transmitters P is operating and normal system polling is performed (S11). If there is a response from the terminal device to the normal system polling (S1
2) Normal point polling is performed for the group that has responded (S13). When a response is received from the terminal device to the normal point polling (S14),
Selection is performed for the terminal device that has responded (S15), and the process proceeds to step S8. If there is no response in the transmitter point polling or the normal point polling (S6, S14), it is determined that there is an erroneous response due to noise or the like in the system polling, and disconnection discrimination selecting is performed (S16), and step S8 is performed. Proceed to. When there is no response in normal system polling (S1
2) Perform disconnection determination selecting (S16).

FIG. 8 shows one of the terminal devices in the above embodiment.
3 is a flowchart showing a basic operation of the photoelectric smoke detector S, which is one of the two.

First, an initial setting is made (S20), and the command received from the receiver RE does not have an address designation, and that part is a command SPAD indicating normal system polling.
If (S21, S22), system processing is performed (S21).
23) If a clock pulse is generated (S2
4) Perform sensor processing such as light emission and light reception (ie, smoke detection operation) (S25), and return to step S21. on the other hand,
If the command from the receiver RE is not SPAD but a command GAD (g) indicating point polling specifying the group to which the receiver RE belongs (S22, S26), point processing is performed (S27), and the signal from the receiver RE is output. Is not the command GAD (g) but the command SAD (n) indicating the selecting that specifies its own address, then (S
28), a selecting process is performed (S29).

FIG. 9 is a flowchart showing the basic operation of the transmitter P in the above embodiment.

First, initial setting is performed (S500). If the command received from the receiver RE has no address designation and the part is a command SPAD indicating system polling (S501, S502), system processing is performed (S503). ), When a signal is generated from the switch SW by pressing the push button (S50).
4) Input processing is performed (S505), and step S501 is performed.
Return to On the other hand, if the command from the receiver RE is not SPAD but a command GAD (g) indicating point polling designating the group to which the receiver RE belongs (S502,
S506), the point processing is performed (S507), and the signal from the receiver RE is not the GAD (g), but the command SAD (n) indicating the selection specifying its own address.
If (S508), a selecting process is performed (S508).
509).

FIG. 10 is a flowchart showing a specific example of the transmitter system polling (S3) in the fire receiver RE of the above embodiment.

Transmitter system polling command SP indicating a status information return command for status change of transmitter P
The receiver RE sends AD / CM1 (S31), sets a variable g indicating a group number to "0" (S32), and stores the group number in response. That is, the group G0
(S3)
3) When a pulse from a response from the transmitter P is received (S34), "0" which is a variable g at that time is stored in the RAM 13 (S35). Then, the variable g is incremented by 1 (S37), and the above operations S33 to S37 are repeated until the variable g reaches the final value G (S3).
6) Return.

FIG. 11 is a flowchart showing a specific example of the normal system polling (S11) in the fire receiver RE of the above embodiment.

Normal system polling command SPAD indicating a status information return command for a status change of a terminal device
The receiver RE sends CM2 (S41), sets a variable g indicating a group number to "0" (S42), and stores the group number in response. That is, when the response timing of the terminal device belonging to the group G0 arrives (S43) and a pulse due to a response from the terminal device is received (S4).
4) Then, “0” which is the variable g at that time is stored in the RAM 13 (S45). Then, the variable g is incremented by one (S47), and the above operations S33 to S37 are repeated until the variable g reaches the final value G (S46), and the process returns.

FIG. 12 is a flowchart showing a specific example of transmitter point polling (S5) in the fire receiver RE of the above embodiment.

The receiver RE, for the group (stored in the RAM 13) to which the transmitter P that has responded to the transmitter system polling belongs, transmits a point information polling command to the transmitters P in the group. Command GAD (g) · CM1 is sent (S51),
A variable m indicating the number of the transmitter P as a terminal device in the group is set to "0" (S52), and the number m in the group of the responding transmitter P is converted into the address n of the transmitter P and stored. I do. In other words, when the response timing of the m-th transmitter P arrives and a pulse due to the response from the transmitter P is received (S53, S54), the value obtained by adding the variable m at that time to the head address of the group is: It is stored in the RAM 14 as the address n of the responding transmitter P (S5).
5) The variable m is incremented by 1 (S57), and the variable m
Until the value reaches the final value M, the above operations S53 to S57 are repeated (S56). Then, when the transmitter point polling for all the groups g (the number of the group g is stored in the RAM 13) responding to the transmitter system polling is completed (S58, S59), the process returns.

FIG. 13 is a flowchart showing a specific example of the normal point polling (S13) in the fire receiver RE of the above embodiment.

For the group to which the transmitter P belongs in response to the normal system polling (S11), the receiver RE transmits a normal point polling command GAD (g).
CM2 is transmitted (S61), and a variable m indicating the number of the terminal device in the group is set to "0" (S62).
The number m of the terminal device in the responding group is converted into the address n of the terminal device and stored. That is, when the response timing of the m-th terminal device arrives and a response pulse is received from the terminal device (S63, S64), the variable m at that time
Is added to the head address of the group, and the address of the terminal device to be selected is designated as RAM1.
4 and the variable m is incremented by one (S65, S
67) until the variable m reaches the final value M;
The operation of S67 is repeated (S69), and the process returns.

FIG. 14 is a flowchart showing a specific example of the selecting (S7, S15) in the fire receiver RE of the above embodiment.

First, the receiver RE performs transmitter point polling (S5) or normal point polling (S1).
3), and among the addresses of the transmitter P or the terminal equipment other than the transmitter P stored in the RAM 14, the address n read from the head is specified, and the selecting command SAD (n ) .CM0 is transmitted (S71). When receiving from the terminal device at the address n specified (that is, called by selecting),
It is fire information (signals related to changes in physical quantities of fire phenomena,
For example, if the signal is a two-level signal or a signal related to a fire operation such as an operation signal of the transmitter P (S72, S74), the type ID of the terminal device to which the address n is assigned is stored in the RAM.
18 (S75).

If the fire information has reached the fire discrimination level based on the ID (for example, if the ID is two kinds of detectors, signals of two kinds of fire equivalent levels have been output), the accumulation is unnecessary. In this case (S76, S77), the fire is definitely determined for the terminal device at the address n because the fire is definitely determined. The command SAD (n) .CM4 indicating a fire determination command for preventing the terminal device at the address n from responding to the system polling and the point polling is transferred to the RA.
M16 is set (S78), and a control device to be controlled by the fire signal of the address n (a controlled device to be linked is set in advance for each terminal device, and in the case of a multi-signal fire sensor, for each level of the level signal, Is set in advance)
It reads out from the interlocking table of the OM 13 and sends it to the device control unit ERC (S79).

The state of the terminal device at address n is represented by R
It is stored in the AM 17 and its status is displayed on the display unit DP (that is, the fire area or the address n is displayed), and a main sound device (not shown) is sounded (S80), and the leading n is deleted from the RAM 14 (S81). . If the received fire information has not reached the fire determination level corresponding to the ID of the terminal device (S76), the level stop command S for stopping the response regarding the turning on / off of the unnecessary level is performed.
AD (n) · CM5 is set in the RAM 16 (S8
4), proceed to step S80. If accumulation is required (S77), the start of accumulation is stored in the RAM 10 (S77).
85), and proceed to step S80. If the address n remains in the RAM 14, the operations of steps S71 to S81 are repeated until the processing for the remaining address n is completed (S82).

FIG. 15 is a flowchart showing a specific example of disconnection determination selecting (S16) by the fire receiver RE in the above embodiment.

First, the receiver RE sets the address L of the terminal device to be subjected to the disconnection determination (using the same address n as the address n, but distinguishing it from the necessity of storing it separately).
A disconnection discrimination selecting command SAD (L) · C that reads from M19 and requests type information for disconnection discrimination
When M3 is transmitted (S91) and a signal is received from the terminal device (S92), the type ID of the terminal device of the address L is read from the RAM 18 (S93), and the type received from the terminal device of the address L is read from the RAM 18. If the type does not match (S94), the type received from the terminal device at the address L is stored in the RAM 18, and the fact that the type of the terminal device at the address L has been changed is displayed on the display unit DP (S95).

Then, the address L of the terminal device is incremented by 1 (S96). When the address L becomes the final address, the address L is returned to "0" (S9).
8). If a signal from the terminal device is not received within a predetermined time (S99), it is determined that the terminal device at address L is abnormally connected, and this fact is stored in the RAM 17, and the terminal device at address L is detected as abnormal. Is sent to the display unit DP (that is, a signal indicating that the wire is disconnected) (S9).
9a).

FIG. 16 is a flowchart showing a specific example of the control interruption process (S19) by the fire receiver RE in the above embodiment.

First, if a command common to all terminal devices (for example, a command for a restoration command) is stored in the RAM 15 (S100), the common command is read out and the command is sent out by normal system polling (S101). Then, the transmitted command is erased from the RAM 15 (S102), and if other common commands for all terminal devices remain in the RAM 15, command reading,
Transmission and deletion are repeated (S103). Next, commands such as a fire determination command and a level stop command to be transmitted to the terminal device specified by the address are read from the RAM 16, and the commands are transmitted by selecting (S104). Then, the transmitted command is deleted from the RAM 16 (S105), and if other commands specifying the terminal device remain in the RAM 16, the reading, transmitting, and deleting of the command are repeated (S106).

FIG. 17 is a flowchart showing a specific example of a control interruption by the fire receiver RE in the above embodiment, which is arbitrarily generated.

The control interruption by the fire receiver RE is mainly for processing the input information from the operation unit OP, and will not be described in detail, but also occurs when the accumulation of the fire detector is completed by internal processing. I do. When the storage of the fire detector is completed (S111), the command SAD (n) .CM4 of the fire determination command for the terminal device of the address n which is determined to be a fire by the completion of the storage is set in the RAM 16, and the terminal device of the address n is set. Then, the information of the controlled terminal device to be controlled in association with is read from the linkage table of the ROM 13 and an operation command signal is transmitted to the device control unit ERC (S115). Then, the state of the terminal device at the address n is stored in the RAM 17, the fire area or the address n is displayed on the display unit DP (S116), and the process returns.

If the storage is not completed (S111), the interruption is caused by an input from the operation unit OP. Therefore, input information is read from the operation unit OP (S112), and there is a fire recovery input for returning the system from the fire alarm state to the monitoring state. BA (S
113) A command SP that clears all state information in the RAM 17 to return to the monitoring state and indicates a fire recovery instruction
The AD / CM 4 is set in the RAM 15, the fire indication on the display unit DP is erased, a restoration signal is sent to the device control unit ERC (S114), and the process returns.

If the input information from the operation unit OP is a storage restoration input for canceling the storage of the terminal device (fire detector) in the storage state (S117), all the storing terminal devices in the RAM 17 are stored. Is changed to the monitoring state, the command SPAD.CM7 indicating the storage restoration command is set in the RAM 15 (S118), and the process returns.

On the other hand, if the input information from the operation unit OP is a district sound stop input for stopping the sound of the district sound (S1).
19), a local sound stop signal is transmitted to the device control unit ERC (S120), and the process returns. If the input information from the operation unit OP is a remote test input for starting a test of a terminal device such as a fire detector (S121), a remote test command for the terminal device at the address n input from the operation unit OP is issued. The command SAD (n) .CM8 shown is set in the RAM 16 (S122), and the process returns. Further, the operation unit O
If the input information from P is an automatic test input for automatically performing a test of a terminal device (S123), all terminal devices automatically execute the remote test process and display the test result on the display unit DP. (S124), and returns. If the input information from the operation unit OP is another input, a process according to the input from the operation unit OP is performed (S125).

FIG. 18 is a flowchart showing a specific example of the system processing (S23 shown in FIG. 8) executed by the photoelectric smoke sensor S in the above embodiment.

A command received from the receiver SE is a command SPAD indicating system polling (S2).
2), a state information return instruction CM2 requesting state change information
If it is (S131), the current state information is read from the RAM 22, and the transmitted state information is read from the RAM 23 (S132). If the two state information do not match, it means that the state of the photoelectric smoke detector S has changed,
At this time, the RAM 24 is referred to (S133, S13
4) Regarding system polling and point polling, if there is no response stop flag such as a level stop flag or a fire determination flag (S135), the group number g to which the photoelectric smoke detector S belongs is read from the RAM 25 (S135).
136), the slot number s indicating the response timing to the system polling is set to “0” (S13).
7).

When the slot number s matches the group number g (S138), the response timing has arrived, and a response pulse is transmitted at this time (S13).
9) Respond to the receiver RE. If the slot number s does not match the group number g (S138), the number s
The slot number is incremented by one when the transmission timing for the packet has timed out (S140, S14).
1) The slot number s is compared with the group number g (S138).

On the other hand, the command received from the receiver RE is
If the command is not the status information return command CM2 (S131) but is the fire recovery command CM6 (S142), the RAM 22, 23,
The current status information, transmitted status information, and various flags stored in each of the S.24 are deleted (S143), and if it is another command, a process corresponding to the other command is executed (S144).

FIG. 19 is a flowchart showing a specific example of the point process (S27) executed by the photoelectric smoke detector S in the above embodiment.

If the command received from the receiver RE is the point polling code GAD (g) designating the group g to which the receiver RE belongs (S26) and the status information return command CM2 requesting the status change information (S151) ),
The current state information is read from the RAM 22, and the transmitted state information is read from the RAM 23 (S152). If the two status information do not match, this means that the status of the photoelectric smoke detector S has changed.
4 (S153, S154), if the response stop flag is not stored (S155), the status information in the RAM 22 may be sent to the receiver RE. RAM2 is the number m in the group
5 (S156), and the slot number s is set to "0".
(S157).

When the slot number s matches the group number m (S158), the response pulse is output to the receiver R
E (S159) and responds to the receiver RE. If the slot number s does not match the group number m (S
158) When the transmission timing for the slot number s has timed out, the slot number s is incremented by 1 (S160, S161), and the slot number s is compared with the number g in the group (S158). On the other hand, the command received from the receiver RE is not CM2 (S15
1) If it is another command, the process according to the command is performed (S162).

FIG. 20 is a flowchart showing a specific example of the selecting process (S29) executed by the photoelectric smoke detector S in the above embodiment.

If the command received from the receiver RE is the command SAD (n) for designating the address n of the fire detector S (S28 shown in FIG. 8) and if the status information return command CM0 by selecting (S171). ), The address n of the terminal device is read out from the RAM 25, and the data DA (for example, two types of equivalent level signals) indicating the current state information is transmitted to the R.
The signal SAD (n) · DA indicating a change in the state of the photoelectric smoke detector S is read out from the AM 22 and the signal transmission / reception unit TR
The data DA transmitted from X2 (S172) is stored in the RAM 23 (S173). If the command received from the receiver RE is not the status information return command CM0 but the command CM3 for requesting the type information (that is, disconnection discrimination selecting) (S171, S174), the address n of the terminal device is read from the RAM 25. The type information ID of the sensor S is read from the ROM 22, and the code SAD (n) indicating the type information is sent from the signal transmitting / receiving unit TRX2.
Send the ID (S175).

On the other hand, if the command received from the receiver RE is the fire determination command CM4 (S176), an ON signal is sent to the operation confirmation LED to turn on the LED (S177), and the subsequent status information is transmitted. Receiver RE for system polling and point polling based on
Is stored in the RAM 24 (S178). If the command received from the receiver RE is the command CM5 indicating a level stop command (S
179) The data DA (for example, one type of equivalent level signal) of the state to be stopped is read from the RAM 23, and a level stop flag for stopping the response to the receiver RE regarding system polling and point polling is stored in the RAM 24 only for the state. It is stored (S180).

If the command received from the receiver RE is the command CM8 indicating a remote test command (S181), the test flag is stored in the RAM 23 (S182), a test process is performed (S183), and any other command is used. If so, a process according to the command is performed (S162).

FIG. 21 is a flowchart showing a specific example of the sensor processing (S25) executed by the photoelectric smoke detector S in the above embodiment.

First, the current state information is read from the RAM 22, and a steady value flag indicating that a steady value monitoring process is to be performed when no failure has occurred (S191, S192) is stored in the RAM 24.
If it is not stored in (S193, S194), a fire determination process is performed. Fire discrimination processing is based on light emitting diode
Signal (S195) to the interface IF
23, the sensor level is read and set as the SLV (S196), the fire discrimination criterion stored in the ROM 23 is read, and the SLV is compared with the fire discrimination criterion (S197). When the photoelectric smoke detector S is of a multi-signal type, it has one to three types of reference values of fire equivalent levels as fire determination standards.

The photoelectric smoke detector S is in the normal state or
It is determined whether the state is a class fire state, a class 2 fire state, or a class 3 fire state. If there is a change in the state detected by the photoelectric smoke detector S (S198), data DA (for example, 1) indicating the current state is displayed. The type equivalent level signal) is stored in the RAM 22 (S1).
99) Next, the steady value flag for performing the steady value monitoring process is set to RA.
It is stored in M24 (S200).

When the steady value flag is stored in the RAM 24 (S194), the fire discrimination processing is not performed, and the steady value (the amount of noise light in the normal state) for confirming the function of the photoelectric smoke sensor S is determined. Then, a steady value monitoring process is performed to detect whether or not the steady value is within a predetermined range (S201). If there is an abnormality (S202), the failure data is stored in the RAM 22 (S203), and the RAM 2
4 is deleted (S20).
4).

FIG. 22 is a flowchart showing a specific example of the system processing (S503) executed by the transmitter P in the above embodiment.

A command received from the receiver RE is a system polling command SPAD (S shown in FIG. 9).
502) If the status information return command CM1 requests only the transmitter P for the status change information (S531), the current status information is read from the RAM 32, and the transmitted status information is read as R.
It reads from the AM 33 (S 532), and if the two status information do not match, it means that the status of the transmitter P has changed, and refers to the RAM 34 (S 533, S 534), and a fire determination flag for system polling, point polling, etc. If the response stop flag is not stored (S
535), the number g of the group to which this transmitter P belongs
The data is read from the AM 35 (S536), and the slot number s indicating the response timing to the system polling is set to "0" (S537).

When the slot number s matches the group number g (S538), a response pulse is sent out (S538).
539), respond to the receiver RE. If the slot number s does not match the group number g (S538), the slot number s is incremented by 1 when the transmission timing for the number s has timed out (S540,
(S541), the slot number s is compared with the group number g (S538).

On the other hand, the command received from the receiver RE is
If it is not the status information return command CM1 (S531) but the fire recovery command CM6 (S542), the RAM 32, 33,
Then, the current status information, transmitted status information, and various flags stored in the storage device 34 are deleted (S543), and if the received command is another command, processing corresponding to the command is performed (S5).
44).

In this system processing (S503), not only the status information return command CM1 requesting the status change information only to the transmitter P but also the status information return command CM2 requesting the normal status change information is received. May respond. In this case, the transmitter P usually determines the fire at the same time as the alarm is issued, and once the fire is determined, the receiver P cannot respond to the RE thereafter.

FIG. 23 is a flowchart showing a specific example of the point process (S507) executed by the transmitter P in the above embodiment.

The command received from the receiver RE is the point polling command GAD (g) for designating the group g to which the receiver RE belongs (S506), and the status information return command CM1 for requesting only the transmitter P for status change information. If it is (S551), the current state information is read from the RAM 32, and the transmitted state information is read from the RAM 33 (S552). And, if both status information do not match,
RAM3 means that the state of the transmitter P has changed.
4 (S553, S554), and if there is no response stop flag (S535), since the state information in the RAM 32 is information that can be transmitted to the receiver RE, the in-group number m of the transmitter P is stored in the RAM 35. Read (S556)
At the same time, the slot number s is set to “0” (S5
57).

When the slot number s matches the in-group number m (S558), a response pulse is transmitted (S559) and a response is made to the receiver RE. Slot number s
Does not match the in-group number m (S558),
When the response timing for the number s ends,
The slot number is incremented by one (S560, S56
1) The slot number s is compared with the in-group number g (S558). On the other hand, if the command received from the receiver RE is not the status information return command CM2 for transmitting a status change (S551), and if the received command is another command, processing according to the command is performed (S562).

In this point processing (S507), as in the case of the system processing (S503), a state information return command CM requesting only the transmitter P for state change information.
Instead of responding to only one, it may respond to a state information return command CM2 requesting normal state change information.

FIG. 24 is a flowchart showing a specific example of the selecting process (S509) executed by the transmitter P in the above embodiment.

The command received from the receiver RE is a selecting command SA specifying the address n of the transmitter P.
If it is D (n) (S508) and the status information return command CM0 by selecting (S571), the address n of the terminal device is read from the RAM 35, the data DA indicating the current status information is read from the RAM 32, and the signal transmission / reception is performed. A command SAD (n) · DA indicating a change in the state of the transmitter P is transmitted from the unit TRX3 (S572), and the RAM
The transmitted data DA is stored in the storage device 33 (S57).
3). The command received from the receiver RE is not the status information return command CM0 but the command CM3 requesting the type information.
(Ie, disconnection determination selecting) (S57)
1, S574), the address n of the terminal device is read from the RAM 35, and the type information ID of the transmitter P is stored in the ROM 32.
From the command SAD (n)
The ID is transmitted from the signal transmitting / receiving unit TRX3 (S57)
5).

On the other hand, if the command received from the receiver RE is the fire determination command CM4 (S576), an ON signal is sent to the response light LED to turn on the LED (S577) and based on the status information thereafter. The fire determination flag for stopping the response regarding the system polling and the point polling is stored in the RAM 34 (S578).
The command received from the receiver RE is a remote test command CM8.
If it is (S580), the test flag is stored in the RAM 33 (S581), and the test process is performed (S582). If it is another command, the process according to the command is performed (S58).
3).

FIG. 25 is a flowchart showing a specific example of the input processing (S505) executed by the transmitter P in the above embodiment.

When the person who discovers the fire operates the push-button switch SW provided on the transmitter P, there is a switch input from the switch SW (S504). At this time, the data indicating the operation of the switch SW DA to RAM
32 (S599), and returns.

FIG. 26 is a time chart showing another embodiment of the present invention.

In this time chart, in the system polling, when there are a large number of terminal devices such as the transmitter P and the fire detector S, a large number of groups relating to the terminal devices are divided into a plurality of tracks, and this track is used. This is an example of system polling.

FIG. 27 is a circuit diagram showing a fire receiver RE1 used in the embodiment shown in FIG.

The fire receiver RE1 is basically the same as the receiver RE shown in FIG. 4, but differs from the receiver RE in that a RAM 12 is added. The RAM 12 has a transmitter system polling, a normal system polling,
When the terminal devices are grouped in order to perform transmitter point polling, normal point polling, and the like, these groups are divided into a plurality of tracks, and an area for storing a number t assigned to each track.

The fire detector and the transmitter used in the embodiment shown in FIG. 26 and the following embodiments have the same configuration as the fire detector S and the transmitter P in FIGS. 5 and 6. The fire detector used in the example has a RAM 25 therein,
It differs from the fire detector S in FIG. 5 in that the track number t is also stored. 26 is different from the transmitter P in FIG. 6 in that the RAM 35 therein also stores the track number t.

In the embodiment shown in FIG. 26, eight groups of terminal devices are provided, and the first four
, And the remaining four groups belong to the track 1, and four terminal devices belong to each group.

At P1a in FIG. 26, the system polling for the transmitter is performed for the terminal device on track 0,
The transmitter system polling command to which only the transmitter belonging to the track 0 responds is SPAD.CM1.
(0).

Although not limited to this command, "SPAD" in the command is composed of, for example, 8 bits, and "CM1"
(0) "is composed of 8 bits. That is, a configuration for specifying a group or an address of a command is specified by the first eight bits of the entire command, and the track t is specified by using a part of the last eight bits of the entire command, and “CM1 ( 0) "is a transmitter status return command for truck 0 (" CM1 "is a normal transmitter status information return command), and" CM2 (1) "is
This is a normal state information return command for track 1 (note that "C
"M2" is a normal state information return instruction).

Then, at P2a, normal system polling is performed on the terminal device of track 0. The normal system polling command for the terminal device of track 0 is SPAD.CM2 (0). Thereafter, at P3a, The disconnection determination selecting is performed for the terminal device at address 0.

In this way, after the polling of the transmitter belonging to track 0 and the polling of the terminal device belonging to track 0 are completed, the polling of the transmitter belonging to track 1 and the polling of the terminal device belonging to track 1 are completed. Is performed. That is, in P4a, track 1
Of the transmitter belonging to the track 1, the command of the system polling for the transmitter belonging to the track 1 is SPAD.CM1.
(1). Then, at P5a, normal system polling is performed on the terminal device of track 1, and the normal system polling command performed on the terminal device belonging to track 1 is SPAD.CM2 (1).
Thereafter, in P6a, disconnection determination selecting is performed for the terminal device at address 1.

In this manner, when the system polling of the transmitter and the terminal device is completed for the tracks 0 and 1, the above operation is repeated (the disconnection determination selecting is performed by sequentially incrementing the address by 1). That is, in P7a, the system polling for the transmitter for the track 0 is performed in the same manner as in P1a.
Normal system polling is performed for track 0 similar to 2a, and..., And these operations are repeated.

As described above, when a large number of groups relating to transmitters or terminal devices are divided into a plurality of tracks and system polling is performed using these tracks, the number of transmitters or terminal devices is extremely large, but the address setting area is not large. It is advantageous when the number is small. That is, by specifying one of the plurality of tracks by the command, the track functions as a substantial address, and the address can be expanded by a plurality of times.

FIG. 28 is a time chart showing the operation in the case where there is a transmitter and a terminal device whose state has changed in the transmitter system polling and the normal system polling in the embodiment shown in FIG.

At P10a in FIG. 28, code SPA indicating the system polling for the transmitter for track 0
When the receiver RE1 transmits D.CM1 (0) and the transmitter responds at the response timing of the group G1 (when one of the transmitters belonging to the group G1 is pressed), the group G1 is assigned to P11a. On the other hand, code GAD (1), which indicates point polling for the transmitter
The receiver RE1 sends CM1 (0), and at this time, when the fourth transmitter responds, at P12a, the status information return instruction S is sent to the eighth (address 7) transmitter.
AD (7) · CM0 (0) is transmitted by the receiver RE1,
Since the eighth transmitter transmits its own address and data DA, it is determined that the eighth transmitter has been operated by the receiver RE1.
Confirm.

As a result, in P13a, the fire determination command SAD (7) .CM4 (0) is sent to the responding transmitter.
Is transmitted by the receiver RE1, whereby the eighth transmitter stops responding to the receiver RE1 for system polling and point polling, and the transmitter turns on the response light. In P14a, after the fire extinguishing activity was performed and the fire was extinguished, when the receiver RE1 issued the fire restoration command SPAD.CM6 to all the terminal devices, the transmitter from which the fire determination command was issued is restored, It will be possible to respond when the alarm is issued again.

On the other hand, in P20a, when the terminal device responds at the response timing of the group G2 when the receiver RE1 sends the command SPAD.CM2 (1) for performing normal system polling for the terminal device belonging to the track 1 (track 1). When one of the terminal devices belonging to the group G2 changes state), when the command GAD (2) .CM2 (1) for performing the normal point polling is transmitted to the group G2 in P21a, the second one is performed. Terminal devices respond. Therefore, P
At 22a, a command SAD (9) .C indicating a status information return instruction to the 36th terminal device (address 9 of track 1 and 16 terminal devices belong to 1 track)
Since the M0 (1) is transmitted and the 36th terminal device transmits the state change information DA, the receiver RE1 can confirm the contents of the state change.

Here, in P23a, the receiver RE1
Sends a level stop command SAD (9)
Assume that CM5 (1) has been transmitted. In other words, this means that the fire-equivalent level used when the response signal was sent was an unnecessary fire-equivalent level, and the fire-equivalent level was subsequently transmitted to the 36th terminal device. Stop sending. Then, in P30a, disconnection discrimination selection is performed for the terminal device at the address 0. Next, in P40a, the receiver RE1 performs system polling for the track 1 for the transmitter. Perform polling. Hereinafter, the above operation is repeated.

FIG. 29 is a flowchart showing a basic operation of the fire receiver RE1.

This flowchart is basically the same as the basic operation of the receiver RE shown in FIG.
7A, S7b, and S7c are different from the basic operation of the receiver RE shown in FIG.

That is, in FIG. 29, the receiver RE1
Is that, after the selecting (S7) or the disconnection determination selecting (S16), the track number t is changed to its final number T (in the above embodiment, the final number of the track T = 1).
If not (S7a), the track number t is incremented by 1 (S7b). If the track number t reaches the final number T (S7a), the track number t is reset to 0 (S7c), and the control is performed. Interrupt processing (S8, S9)
Move on to

Also, during one normal polling cycle (a cycle composed of normal system polling, normal point polling, and selecting), at least one of transmitter polling (transmitter system polling and transmitter point polling). ) May be executed. For example, the polling for the transmitter may be performed between the normal system polling and the normal point polling, and the polling for the transmitter is performed between one normal point polling and the next normal point polling. You may do so.

As described above, by executing the polling for the transmitter in the middle of one cycle of the normal polling,
When the transmitter is pressed immediately after executing the transmitter polling, the receiver can know the fact that the transmitter has been pressed earlier than in the embodiment shown in FIGS.

A control system terminal such as a bell B is connected to the same signal line as the smoke elimination device ER, the fire detector S, the transmitter P, and the like, and addresses are assigned to these control system terminal devices. In this manner, information collection and command control may be similarly performed.

Further, instead of the transmitter system polling, a specific terminal device system polling for a specific terminal device such as a monitoring terminal device may be executed. To
Point polling for a specific terminal device such as a terminal device for a monitoring system may be executed. The specific terminal devices of the monitoring system in this case are a transmitter, a fire detector, a gas leak detector, and the like.

In each of the above embodiments, a group composed of a plurality of terminal devices is specified by system polling without distinction between transmitter system polling and normal system polling. Alternatively, a transmitter or a terminal device is specified by point polling in which only the terminal device is given an opportunity to respond, and information is collected from the specified transmitter or terminal device by selecting. The features of each of the above embodiments may be adopted in the methods shown in FIGS.

FIG. 30 shows that one of the groups composed of a plurality of terminal devices is specified by system polling, and then the selecting operation is performed on each of the terminal devices belonging to the specified group. By doing
5 is a time chart for collecting information.

In this time chart, in the embodiment shown in FIGS. 1 to 29, point polling is omitted, and all terminal devices belonging to the group responding to the system polling are selected.

That is, for all the terminal devices belonging to the group responded to in the system polling shown in P1b, the selecting shown in P2b, P3b, P4b, P5b, P6b is performed, and the point polling is omitted.

FIG. 31 omits system polling,
9 is a time chart for collecting information by performing point polling on all terminal devices and performing selection on only the terminal devices that responded thereto.

That is, system polling is omitted, and P
1c, P2c, etc., the point polling is performed on all the terminal devices, and only the responding terminal devices are selected, as shown on P3c, to collect information. It is a chart.

In each of the above embodiments, by executing the system polling for the transmitter, when the terminal device of the higher priority type such as the transmitter operates, the receiver can quickly grasp the information of the type. The receiving unit can quickly grasp the fire information of the transmitter. Therefore, a plurality of transmitters, a plurality of fire detectors, and a plurality of terminal devices that are connected to the receiving unit with addresses assigned to various terminal devices such as smoke prevention devices, are divided into a plurality of groups. In system polling for detecting a group to which a terminal device whose status has changed according to the response timing, for example, only a transmitter, only a transmitter and a fire detector (only a fire monitoring device), etc. The point at which system polling for a specific terminal device that only the terminal device responds to is performed before normal system polling, or for the group that responded to the system polling, the terminal device whose status has changed according to the timing of responding In polling, system polling for a specific terminal device to which only the terminal device of the specific type described above responds Even if the number of terminal devices is enormous, the fire information of the type of terminal device that should be immediately recognized, such as a transmitter, can be received by the receiving unit by performing it before the normal point polling, or by executing these in combination. Can be grasped quickly.

Further, in each of the above embodiments, after the operation of the terminal device is determined, the fire determination command for stopping the response to the reception unit is transmitted to the terminal device whose operation has been determined. For example, even if the detection level repeatedly increases and decreases in the vicinity of the fire determination level, the terminal device does not frequently respond to the receiving unit, and therefore, the receiving unit newly operates without collecting extra information. Information about terminal devices can be quickly collected.

When the system polling, the point polling, and the selecting are performed, a fire determination command sending means (a fire that stops a response to the receiving unit for a terminal device whose operation has been determined among the terminal devices). A means for sending a confirmation command) is used. Alternatively, a system polling and a selecting for collecting predetermined information from terminal devices belonging to a group to which the terminal device responds to the receiving unit by the system polling are performed. The fire determination instruction sending means may be used when executing and not performing point polling, or using the fire determination instruction sending means when performing point polling and selecting and not performing system polling. You may make it.

Further, in each of the above embodiments, when the fire information received by the receiving unit from the multi-signal type fire detector is not at the desired fire discrimination level, the level stop command is sent from the receiving unit to the fire detector. Therefore, the receiving unit does not collect unnecessary level signals of the multi-signal fire detector, thereby reducing unnecessary responses to the receiving unit. That is, the fire receiver has a level stop means for sending a level stop command for an unnecessary level, and the fire detector has a level stop means for stopping a response related to the level when receiving the level stop command. are doing.

The level stop means of the fire detector reads the reference level from the predetermined storage means when receiving the level stop command from the receiving section, compares the detected level with the read reference level, and determines whether the detected level is the reference level. This is a means for preventing a response indicating that a state change has occurred to the receiving unit when it is determined that the level has exceeded the level. Instead of this means, a means for preventing the operation of reading the reference level from the predetermined storage means when a level stop command is received from the receiving unit may be used. Even if you do this,
As a result, the same operation as the above-described operation of preventing the response indicating that the state change has occurred is performed on the reference level at which the reading is stopped.

Even if it is determined that the level is an unnecessary level as a result of the determination by the receiving unit, the receiving unit receives the fire information from the multi-signal type fire detector for the unnecessary level. It is possible to judge that the detected level is an unnecessary level. Therefore, if the fire receiver memorizes the fire detector that stopped the level, the wiring related to the responded sensor is disconnected. You can check later that you did not.

A detecting means for detecting an environmental change based on a fire phenomenon and outputting a sensor level, and a fire discriminating means for discriminating a fire by comparing the sensor level outputted from the detecting means with a plurality of different levels. Means, response means for responding to the receiving unit at the time of polling from the receiving unit, receiving a level stop command addressed by the receiving unit, and receiving the level stop command by the received level stop command. The fire detector may be constituted by the level stop means for stopping the response regarding the designated level.

In the above embodiment, when performing system polling, the group is divided into a plurality of tracks, information for identifying the track is stored in a command, and system polling is executed for each track. Even if the number of terminal devices to be installed is larger than the number of terminal devices corresponding to the address, the address length is the same, that is, if the address length is not longer than a predetermined length, the The number of possible terminal devices can be increased.

In general, a microprocessor processes information in units of 4 bits or 8 bits. If, for example, 8 bits are used as an address, when the number of terminal devices is increased, the address becomes 9 bits or the like. As described above, the number of bits becomes incomplete when viewed from the microprocessor, and processing by the microprocessor becomes difficult. However, as described above, it is not necessary to make the length of the address longer than the predetermined length. The difficulty of processing can be eliminated.

When system polling and selecting are performed and point polling is not performed, a plurality of groups in system polling may be divided into a plurality of tracks, and system polling may be performed for each track. , Point polling,
When performing the selecting and not performing the system polling, divide multiple terminal devices into multiple tracks,
Point polling may be executed for each track.

In the above embodiment, a plurality of groups constituted by terminal devices are divided into a plurality of groups (for performing system polling for specific terminal devices, normal system polling, point polling for specific terminal devices, normal point polling, etc.). Although the track is divided into tracks and the number t is assigned to each track, instead of this, only a group composed of a specific terminal device such as a transmitter is divided into a plurality of tracks,
A number t may be assigned to each track,
Only a group consisting of terminal devices not including a specific terminal device is divided into a plurality of tracks, and a number t
May be stored.

In each of the above embodiments, a terminal device is identified by performing point polling on a group that has responded to system polling, and information is collected by selecting. Normally, point polling is omitted. Alternatively, selection may be made sequentially and cyclically to all terminal devices in the group that responded by normal system polling, or normal group polling may be performed sequentially without regular system polling, and normal group polling may be sequentially performed on each group. You may make it select to the changed terminal device. Further, the specific terminal device point polling may be omitted, and the specific terminal device system polling may be sequentially and cyclically selected for all the specific terminal devices in the group. Instead of performing polling, each group may be sequentially and cyclically point-polled for a specific terminal device, and may be selected for the specific terminal device whose status has changed. Even in this case, the receiving unit can quickly grasp that the transmitter is pressed, and in this case, the level stop, the fire determination, and the like may be applied.

The terminal device and the specific terminal device may be specified by a combination of the normal system polling, the normal point polling, the selecting, and the specific terminal device point polling (that is, the specific terminal device system polling is omitted). May be done). further,
A terminal device and a specific terminal device may be specified by a combination of normal system polling, system polling for a specific terminal device, normal point polling, and selecting. Even in this case, the receiving unit can quickly grasp that the transmitter is pressed, and in this case, the level stop, the fire determination, and the like may be applied. Note that when a terminal device or a specific terminal device is specified by a combination of the normal system polling, the system polling for a specific terminal device, the normal point polling, and the selecting, the “normal point polling” includes the normal system polling or the system polling for the specific terminal device. In the terminal device in the group to which the terminal device responding to the receiving unit belongs, the timing at which the terminal device responds to the receiving unit is different for each terminal device. is there.

[0170]

According to the first to fifth aspects of the present invention, a plurality of terminal devices are subjected to system polling, point polling, selecting, and the like, and after the operation of the fire detector is determined, the detection level becomes the fire determination level. , The response to the receiving unit is not performed, and the processing of the receiving unit is not delayed. Claims
According to the inventions described in 6 to 11, a plurality of terminal devices are connected to the system.
Polling, point polling, selecting, etc.
And the level of smoke received from the multi-signal fire detector
Discriminates and sets the multi-signal fire detector to a predetermined fire discrimination level.
When used as a fire detector for
Fire signal such as smoke or heat at a different level from the
Even if the signal fire detector repeatedly turns on and off,
Processing of the receiver due to an increase in response signals to the receiver
This has the effect of preventing the delay of the program.

[Brief description of the drawings]

FIG. 1 is a time chart showing one embodiment of the present invention.

FIG. 2 is a wiring diagram of a fire alarm system to which the embodiment is applied.

FIG. 3 is a time chart showing another operation in the embodiment.

FIG. 4 shows an example of a fire receiver RE in the embodiment,
It is a block diagram showing an example of a device connected to the receiver RE.

FIG. 5 is a block diagram showing a photoelectric smoke detector S in the embodiment.

FIG. 6 is a block diagram showing a transmitter P in the embodiment.

FIG. 7 is a flowchart showing a basic operation of the fire receiver RE in the embodiment.

FIG. 8 is a flowchart showing a basic operation of a photoelectric smoke detector S which is one of the terminal devices in the embodiment.

FIG. 9 is a flowchart showing a basic operation of the transmitter P in the embodiment.

FIG. 10 is a flowchart illustrating a specific example of system polling for a transmitter (S3) in the fire receiver RE of the embodiment.

FIG. 11 is a flowchart showing a specific example of normal system polling (S11) in the fire receiver RE of the embodiment.

FIG. 12 is a flowchart showing a specific example of transmitter point polling (S5) in the fire receiver RE of the embodiment.

FIG. 13 is a flowchart showing a specific example of normal point polling (S13) in the fire receiver RE of the embodiment.

FIG. 14 is a flowchart showing a specific example of selecting (S7, S15) in the fire receiver RE of the embodiment.

FIG. 15 is a flowchart showing a specific example of disconnection determination selecting (S16) by the fire receiver RE in the embodiment.

FIG. 16 is a flowchart showing a specific example of a control interruption process (S19) by the fire receiver RE in the embodiment.

FIG. 17 is a flowchart showing a specific example of a control interruption by the fire receiver RE in the embodiment, which is an arbitrarily generated control interruption.

FIG. 18 is a flowchart showing a specific example of a system process (S23 shown in FIG. 8) executed by the photoelectric smoke detector S in the embodiment.

FIG. 19 is a flowchart showing a specific example of a point process (S27) executed by the photoelectric smoke detector S in the embodiment.

FIG. 20 is a flowchart showing a specific example of a selecting process (S29) executed by the photoelectric smoke detector S in the embodiment.

FIG. 21 is a flowchart showing a specific example of a sensor process (S25) executed by the photoelectric smoke detector S in the embodiment.

FIG. 22 is a flowchart showing a specific example of a system process (S503) executed by the transmitter P in the embodiment.

FIG. 23 is a flowchart showing a specific example of a point process (S507) executed by the transmitter P in the embodiment.

FIG. 24 is a flowchart showing a specific example of a selecting process (S509) executed by the transmitter P in the embodiment.

FIG. 25 is a flowchart showing a specific example of an input process (S505) executed by the transmitter P in the embodiment.

FIG. 26 is a time chart showing another embodiment of the present invention.

FIG. 27 is a circuit diagram showing a fire receiver RE1 used in the embodiment shown in FIG. 26.

FIG. 28 is a time chart showing an operation when a transmitter and a terminal device whose status has changed exist in the transmitter system polling and the normal system polling in the embodiment shown in FIG. 26;

FIG. 29 is a flowchart showing a basic operation of the fire receiver RE1.

FIG. 30 specifies one of groups constituted by a plurality of terminal devices by system polling, and then performs selecting for each of the terminal devices belonging to the specified group. 5 is a time chart for collecting information.

FIG. 31 is a time chart for collecting information by performing point polling on all terminal devices and performing selection on only the terminal devices that responded thereto.

[Explanation of symbols]

RE, RE1: Fire receiver, P: Transmitter, S: Fire detector, L1: Signal line, L2: Regional sound connection line, L3: Smoke prevention connection line, L4: Display connection line, OP: Operation unit , DP: display unit, ER: smoke control device, ERC: device control unit, SPAD / CM1: transmitter system polling command, SPAD / CM2: normal system polling command, GAD (g) / CM1: group g GAD (g) .CM2 ... Command for normal point polling for group g, SAD (n) .CM0 ... Address n Selection command for terminal equipment, SAD (L) .CM3 ... Address Selection command for disconnection determination for L terminal equipment, SAD (n) · CM4 ... Command for determining fire for address n terminal equipment, S D (n) · CM5: command to stop level for address n terminal devices; SAD (n) · CM6: command to restore fire for address n terminal devices; SAD (n) · CM7: command to restore storage for address n terminal devices SAD (n) · CM8: Remote test command for address n terminal devices SAD (n) · ID: Address n terminal device type information I
D send command, SAD (n) · DA: data sent from the terminal n to the fire receiver, SPAD · CM1 (t): system polling command for the transmitter with track number t, SPAD · CM2 (t)… track Normal system polling command of number t, GAD (g) · CM1 (t): command of transmitter point polling of group g of track number t, GAD (g) · CM2 (t)… group g of track number t Normal point polling command.

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-4-115395 (JP, A) JP-A-48-66306 (JP, A) JP-A-59-14092 (JP, A) JP-A-2- 201599 (JP, A) JP-A-2-201598 (JP, A) (58) Fields investigated (Int. Cl. ⁷ , DB name) G08B 17/00 G08B 26/00 H04Q 9/00 311

Claims (11)

(57) [Claims] 1. A fire alarm system for connecting a plurality of terminal devices such as a transmitter and a fire detector to a receiving unit, assigning an address to each of the terminal devices, and detecting the terminal device whose state has changed. , The plurality of terminal devices are divided into a plurality of groups, and the timing of responding to the receiving unit is varied for each of the groups;
System polling means for performing, at the time of the response of the group to which the terminal device whose state has changed belongs, a system polling in which the terminal device whose state has changed responds to the receiving unit; and responding to the receiving unit in this system polling. Point polling in which the terminal device in the group to which the terminal device belongs responds differently to the receiving unit for each of the terminal devices, and the terminal device whose status has changed performs point polling in which the terminal device responds at its own response timing. Means for selecting from the terminal device responding to the receiving unit in the point polling to select the receiving device to collect specific information; and selecting the terminal device whose operation has been determined among the terminal devices. Fire to stop responding to the receiver Fire alarm system characterized by having a; a fire determined command transmitting means for transmitting a command. 2. A fire alarm system, wherein a plurality of terminal devices such as a transmitter and a fire detector are connected to a receiving unit, an address is assigned to each of the terminal devices, and the terminal device whose state has changed is detected. , The plurality of terminal devices are divided into a plurality of groups, and the timing of responding to the receiving unit is varied for each of the groups;
System polling means for performing polling in which the terminal device whose status has changed responds to the receiving unit at the time of the response of the group to which the terminal device whose status has changed belongs to; Selecting means for performing selection for the receiving unit to collect predetermined information from each terminal device of the group to which the terminal device belongs; and And a fire determination command transmission means for transmitting a fire determination command for stopping a response. 3. A fire alarm system in which a plurality of terminal devices such as a transmitter and a fire detector are connected to a receiving unit, an address is assigned to each of the terminal devices, and the terminal device whose state has changed is detected. Point polling means for making the timing at which the plurality of terminal devices respond to the receiving unit different for each terminal device, and performing polling in response to the receiving unit when the terminal device whose status has changed is at the response timing; A selecting means for performing selection for the receiving unit to collect predetermined information from the terminal device responding to the receiving unit in the point polling; And a means for transmitting a fire determination command for transmitting a fire determination command for stopping a response to the receiving unit. 4. The terminal device according to claim 1, wherein the terminal device whose operation is determined is a storage-type fire sensor that has transmitted a fire signal to the reception unit, a fire sensor whose storage operation has been completed in the reception unit, and the reception unit. Fire alarm equipment, characterized in that it is at least one of the transmitters that sent a fire signal to the fire alarm. 5. The device according to claim 1, wherein the receiving unit sends a restoration signal to the terminal device when the equipment is restored, and the terminal device is restored by the restoration signal. Fire alarm equipment. 6. Multiple fire detectors are connected to the receiver,
An address is assigned to each of the above fire detectors, and the state changes
In the fire alarm system that detects the above fire detector
hand, Divide the multiple fire detectors into multiple groups and
If the timing of responding to the Shinbe is different for each group
Of the group to which the fire detector whose status has changed
At the time of the above response, the above fire changed in the above state
The sensor performs system polling in response to the receiver.
System polling means; Responded to the receiver in this system polling
The above fire detector belongs Fire detectors in the group
The timing of responding to the receiving unit is determined for each of the fire detectors.
The fire detector whose condition has changed
At the timing of the response, a point port responding to the receiver
Point polling means for performing a ring; The fire responding to the receiver at this point polling
From the disaster detector, select the above receiver to collect predetermined information
Selecting means for performing In this selection, we receive from the fire detector
Level determining means for determining the level signal; When the reception level signal is not a signal of a desired level
Then, regarding the received level, then the fire detection
Command to stop sending the response signal
Means for sending a level stop command to be sent; Has the receiving unit, The fire detector receiving the level stop command,
Do not respond to the level signal that has been
Fire alarm equipment. 7. In claim 6, The receiving unit sends a recovery signal to the fire detector when the equipment is restored.
And the level stop command was received.
The fire detector is to be restored by the restoration signal
A fire alarm system. Claim 8. Multiple fire detectors are connected to the receiver,
An address is assigned to each of the above fire detectors, and the state changes
Used for fire alarm equipment that detects the above fire detector
Fire receiver A level that determines the level signal received from the fire detector
Signal determination means; The received level signal corresponds to the desired fire discrimination level
If the received level signal is not
After that, send a response signal to the fire detector.
Level stop means for sending a level stop command to stop
When; Fire alarm equipment characterized by having. 9. In claim 8, The fire receiver will return to the fire detector when the equipment is restored.
It sends the old signal and receives the above level stop command.
The fire detector is activated by the recovery signal. Recover
Fire alarm equipment characterized by the fact that: 10. Multiple fire detectors connected to the receiver
Addresses are assigned to each of the above fire detectors, and
Fire alarm equipment that detects the above fire detector
In the fire detector used, Detects environmental changes based on fire phenomena and outputs sensor levels
Detecting means to perform; The sensor level output from the detection means
Fire that compares multiple levels with different levels
Disaster determination means; The state change as a result of this determination means is
Response means for responding to the receiving unit at the time of polling
When; Receives the level stop command specified by the address from the receiver.
Specified by this received level stop command
Level stop means for stopping the response regarding the level; Fire alarm equipment characterized by having. 11. In claim 10, Upon receiving the level stop command, the fire detector
It is noted that recovery is performed by a recovery signal at the time of recovery.
Fire alarm system.