JP3032314B2 - Disaster prevention monitoring system and terminal equipment for disaster prevention monitoring - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a disaster prevention monitoring system in which a disaster prevention monitoring terminal device such as a repeater or various sensors is connected to a transmission line drawn from a receiver to each monitoring area, and a disaster prevention monitoring system for the same. The present invention relates to a device, and more particularly to a technique for preventing an error in an installation position of a disaster prevention monitoring terminal device.

[0002]

2. Description of the Related Art Conventionally, such a disaster prevention monitoring system has
A transmission line is drawn out from a receiver installed in a monitoring room or the like to each monitoring area side, and terminal equipment for disaster prevention monitoring such as a repeater or various sensors is connected to the transmission line. When the receiver sequentially transmits a command signal and an address signal to the terminal device by a control method such as a polling method, the terminal device called by the command signal and the address signal generates a detection signal indicating the state of the monitored area. The receiver is returned, and it is possible to centrally monitor the occurrence of abnormalities such as the presence or absence of a fire in each monitoring area.

[0003]

However, in such a conventional disaster prevention monitoring system, a large number of different types of terminal equipment are connected, so that a predetermined type of terminal equipment is located at a predetermined position in the equipment design drawing. However, there is a problem that a terminal device of a different type is erroneously attached without being attached.

In order to prevent such a problem from occurring, conventionally, for example, in the installation work for mounting the terminal equipment, a construction person has to install a predetermined type of terminal equipment in a predetermined monitoring area in accordance with the equipment design drawing. Is installed, and its own type and address are set by a type setting dip switch provided for each terminal device. That is,
Terminal devices are classified into one type, two types or three types according to the difference in detection sensitivity, and types such as smoke detectors and heat detectors according to differences in detection methods and the like. By setting the type and the address indicating the installation position with the type setting dip switch, each terminal device can be specified on the receiver side.

[0005] After the installation work is completed, while the receiver is set to the monitoring operation state, the construction person forcibly activates each terminal device using the test jig to perform the alert operation.
Make the receiver display the type and address of the terminal device that issued the alert, and confirm the correspondence between the observer at the receiver and the construction worker at the monitoring area using a wireless transceiver etc. By doing so, it has been confirmed whether a terminal device of a predetermined type and address is installed at a predetermined position.

[0006] Also, in the periodic inspection and maintenance after the installation work, the terminal equipment is confirmed by the same procedure. However, such a confirmation operation needs to be performed individually for a large number of terminal devices, and thus has a problem that it is extremely complicated and inefficient. The present invention has been made in view of such a conventional problem, and has a disaster prevention monitor capable of efficiently confirming the type and installation position of each terminal device during installation work or maintenance. The purpose is to provide a system.

[0007]

In order to achieve the above object, the present invention connects a disaster prevention monitoring terminal device such as a repeater and various sensors to a transmission line drawn from a receiver to each monitoring area. Disaster prevention monitoring system and its disaster prevention monitoring equipment. A display unit that performs blinking display with a light emitting diode (LED) or the like is provided on the terminal device for disaster prevention monitoring connected to the transmission line drawn from the receiver, and the terminal device for disaster prevention monitoring specified by the command signal and the address signal by the receiver is provided. Displaying its own type by blinking or the like on the display unit of the terminal device, or setting its own address and data indicating the terminal type in advance in each disaster prevention monitoring terminal device, The address and data indicating the terminal type corresponding to the disaster prevention monitoring terminal device are set, and the receiver receives the address returned from the disaster prevention monitoring terminal device specified by the control signal and the return signal indicating the terminal type. An arrangement error of the disaster prevention monitoring terminal device is determined, and when the arrangement error is recognized, a display such as blinking is displayed on the display unit of the corresponding disaster prevention monitoring terminal device.

[0008]

According to the disaster prevention monitoring system and the disaster prevention monitoring terminal device of the present invention having such a configuration, a specific display corresponding to the designation is displayed on the display unit of the disaster prevention monitoring terminal device specified on the receiver side. By doing so, a construction person or the like can easily confirm the location where the disaster prevention monitoring terminal device of a predetermined type should be installed or check whether or not the terminal device is located at a predetermined position simply by looking at the display. .

In addition, the address of each disaster prevention monitoring terminal device and the information of the terminal type indicating the sensor type or the sensitivity type are stored in the receiver in association with each other in advance, and the receiver stores each disaster prevention monitoring terminal device. When the above information is compared with the return signal returned in response to the designation of, if the information does not match, an error is displayed on the display unit of the corresponding disaster prevention monitoring terminal device, so that the An arrangement error can be easily confirmed.

[0010]

An embodiment of the present invention will be described below with reference to the drawings. First, an outline of the overall configuration of the disaster prevention monitoring system will be described with reference to FIG. In FIG. 1, a receiver 1 installed in a central monitoring room or the like transmits transmission lines A1 to A1 for each of a plurality of monitoring systems.
An is extracted, and various sensors S11 to S15, Sn1 to Sn5 and repeaters M11, M12,
Terminal devices for disaster prevention monitoring such as Mn1 and Mn2 are connected, and terminal devices for disaster prevention monitoring such as various sensors S16 to S1b and Sn6 to Snb are connected via these repeaters M11, M12, Mn1 and Mn2. It is connected.

In the case of a sensor, these terminal devices are classified into one to three types in accordance with the difference in sensor sensitivity. In addition, functions such as a smoke sensor and a heat sensor are different. Is set in accordance with. Further, each terminal device has a unique address, and these types and unique addresses can be switched and set as binary data of a predetermined number of bits by a dip switch or the like built in each terminal device. Has become.

Further, the repeaters M11, M12, Mn1, Mn2, etc., manage a plurality of sensors connected thereto as a group, and are designated by a group address designated by the receiver 1. . FIG. 2 shows the structure of a disaster prevention monitoring terminal device applied to such a disaster prevention monitoring system. In FIG. 2, reference numeral 2 denotes a base portion fixed in advance to a ceiling or the like,
A transmission control unit 3 connected to a predetermined transmission line is built in.

The transmission control unit 3 responds to a control signal transmitted from the receiver 1 to control transmission and reception of signals between the receiver 1 and its own disaster prevention monitoring terminal device, and to display a signal to be described later. A display control unit 20 for controlling the display operation of the unit 4 is provided, and these controls are performed by program processing of a built-in microcomputer. Reference numeral 4 denotes a display unit composed of a light emitting diode (LED) fixed to the base unit 2, which is set in the display control unit 20 and an address specified by a control signal transmitted from the receiver 1 in a normal monitoring mode. When the specific self address matches, a predetermined lighting operation is performed by the transmission control unit 3. Also, when the receiver 1 sends a control signal instructing maintenance in a maintenance mode to be described later, and the address specified by the control signal matches the unique self address set in the transmission control unit 3. A blinking operation is performed at a predetermined cycle.

Reference numeral 5 denotes a sensor. For example, in the case of a fire detector, a sensor unit 6 for detecting fire information such as smoke and heat is incorporated. When the sensor 5 is attached to the base 2, the connection terminal 2a provided on the base 2 is connected to the connection terminal 5a provided on the sensor 5, whereby the transmission control unit 3 and the sensor unit 6 are connected. In the normal monitoring mode, the transmission control unit 3 is connected according to an instruction from the receiver 1.
Returns the detection signal of the sensor unit 6 to the receiver 1 via the transmission line.

Next, the operation of the terminal device for disaster prevention monitoring will be described with reference to FIGS. First, as shown in FIG. 3, the control signal transmitted from the receiver 1 is, for example, a 1-byte command signal Tc and a 1-byte address signal Ta.
, And a 1-byte checksum signal Ts, and is formed of a time-series signal in which a parity bit, a stop bit, and a start bit signal are interposed between the signals, and changes the code of the command signal Tc. Thus, a disaster prevention monitoring mode, a maintenance mode for maintenance and inspection, and the like are designated, and a specific terminal device is designated by the address signal Ta. On the other hand, the terminal device returns the signal Tr to the receiver 1 within the next predetermined period in response to the control signal.

The receiver 1 transmits the control signal Ta and returns the signal Tr from the terminal device at a predetermined period τ.
By transmitting the control signal To to the transmission line while sequentially changing the address signal Ta, the terminal equipment specified by the address signal Ta is made to sequentially respond to the command signal Tc. Next, when the normal disaster prevention monitoring mode is set by such a control signal To, the terminal device of this embodiment performs the operation shown in the flowchart of FIG. That is, the terminal device in a state where the sensor 5 is attached to the base unit 2 is the transmission control unit 3.
Determines that the mode is the monitoring mode by receiving the command signal Tc, and waits for its own address to be specified in step 100.

If the address signal Ta matches the self address, the process shifts to step 110, where the display controller 20
Causes the display unit 4 to perform a blinking operation once to indicate that the address matches the self address. Further, a detection signal detected by the sensor unit 6 is returned via a transmission path. Then, by performing the same operation in response to the control signal To repeatedly transmitted from the receiver 1, disaster prevention monitoring is performed.

Next, the operation of the terminal device when the maintenance mode is designated by the command signal Tc of the control signal To will be described. The maintenance mode is not performed for disaster prevention monitoring, but is performed to find out whether there is an abnormality in the system between the receiver and the terminal device or the like. When the transmission control unit 3 determines that the maintenance mode is set by receiving the command signal Tc, step 12
At 0, it waits for its own address to be specified.

If the address signal Ta coincides with the self address, the processing shifts to step 130, where the display control unit 20
Causes the display unit 4 to perform a blinking operation at a predetermined cycle, and displays the type of the sensor 5 to be attached to the base unit 2. That is, the data of the type of the sensor 5 to be attached to the base unit 2 is set in the transmission control unit 3, and when a self-address is specified in the maintenance mode, a blinking operation of a predetermined cycle corresponding to the type is performed. I do. For example, if the type of the sensor 5 to be attached is a heat sensor, 3
It flashes at a cycle of turning on for 1 second and turning off for 1 second. If it is a smoke detector, it flashes at a cycle of turning on for 1 second and turning off for 1 second. Even in accordance with the difference, the transfer operation of a unique cycle is performed.

The blinking operation is continued until the designation of the maintenance mode by the command control signal Tc is canceled or an abnormality such as a fire occurs.
According to this embodiment, when checking whether a predetermined type of sensor 5 is attached to the base unit 2, the receiver 1
Set the maintenance mode with
By simply comparing the blinking of the display unit 4 with the type of the sensor 5, the presence or absence of an installation error can be easily confirmed.

In addition, when the maintenance mode is set in the receiver 1 in the installation work of the sensor, etc., the display unit 4 of the base unit 2 blinks according to the type. The detector to be mounted can be easily confirmed, and the construction or maintenance can be performed more easily and surely than in the case of performing the mounting work while confirming with the equipment design drawing as in the related art.

Next, another embodiment will be described with reference to FIG.
The terminal device shown in FIG. 5 is applied to a disaster prevention monitoring system having a configuration as shown in FIG. First, the configuration will be described. Reference numeral 7 denotes a base unit previously fixed to a ceiling or the like, 8 denotes a sensor, and a transmission control unit 9 and a display control unit 2
0, a sensor unit 10 and a display unit 11 including a light emitting diode (LED).

Reference numeral 7a denotes a connection terminal provided on the base unit 7, which is connected to a transmission line from the receiver 1. Reference numeral 8a denotes a connection terminal provided on the sensor 8, which is connected to the transmission control unit 9. When the sensor 8 is attached to the base section 7, the connection lines 7a and 8a are connected, so that the transmission line and the transmission control section 9 are connected. A dip switch, a rotary switch, and the like (not shown) for setting a group address, a self-address, and a type of the sensor are provided on one side of the sensor 8, and these switches are used to set the group address, the self-address, and the type. The data is supplied to the transmission control unit 9.

When the sensor 8 is attached to the base unit 7, the transmission control unit 9 responds to the control signal transmitted from the receiver 1 to connect the receiver 1 with its own disaster prevention monitoring terminal device. The display control unit 20 has a function of controlling the transmission and reception of signals in the control unit, and the display control unit 20 controls the display operation of the display unit 11.

Next, the operation of the disaster prevention monitoring terminal device will be described. First, in the normal disaster prevention monitoring mode, when a command and a self-address are designated by a control signal as shown in FIG. 3 from the receiver 1, the transmission control unit 9 transmits a detection signal detected by the sensor unit 10. The display is returned to the receiver 1 side, and the display control unit 20 causes the display unit 11 to blink once. Then, a disaster prevention monitor is realized by returning a detection signal every time a command is repeatedly issued by a so-called polling method or the like.

When the receiver 1 designates a maintenance mode for maintenance / inspection and sends out a control signal set in a command signal corresponding to the mode, the transmission controller 9 confirms that the transmission controller 9 is in the maintenance mode. When it is determined that the own group address and the own address are designated, the display unit 11 is caused to perform a blinking operation at a predetermined cycle corresponding to the own group address.

For example, this blinking operation is realized by the processing shown in FIGS. That is, the display control unit 20
If it is determined in the maintenance mode that the own group address has been designated, the process proceeds to step 140, where the sensor unit 1
0 determines whether an abnormality such as a fire has been detected. If an abnormality has occurred, a warning process is performed in step 150 and a detection signal is returned to the receiver 1. Therefore, maintenance and inspection can be performed while continuing disaster prevention monitoring.

On the other hand, if there is no abnormality, the processing shifts to step 160, the transmission control section 9 inputs the data of its own group address set by the switch to a predetermined internal register, and the processing shifts to step 170. . Step 170
Then, the display unit 11 causes the display unit 11 to perform a blinking operation at a predetermined cycle corresponding to its own group address, and further performs about one or two blinking operations at step 180 to indicate the completion of the blinking operation. Ends.

FIG. 7 is a flowchart showing the processing of step 170 in further detail. In step 190, the transmission control unit 9 sets the content of the internal counter register [C] to 0, and then in step 200 The quotient data obtained as a result of dividing the group address data AD of the internal register by the decimal number 10 is stored in a predetermined memory [M].

Next, in step 210, the data in the counter register [C] and the data in the memory [M] are compared, and if they do not match, the display unit 4 is turned on for a predetermined unit time τa in step 220. Then, in step 230, the content of the counter register [C] is incremented by 1 and the process of step 210 is performed again. In this way, by repeating the processing of steps 210 to 230, the display unit 11 is turned on for a time corresponding to the decimal place of the group address data AD.

On the other hand, if it is determined in step 210 that the display unit 11 has been turned on for a time corresponding to the decimal place of the address data AD, the process proceeds to step 240, and the contents of the counter register [C] are again updated. 0, and then, in step 250, the group address data A
The remainder data obtained as a result of dividing D by the decimal number 10 is stored in a predetermined memory [N]. And step 2
At 60, the counter register [C] and the memory [N]
Are compared, and if they do not match, step 27
0, the display unit 11 for a predetermined unit time τb
Lights up. Then, in step 280, the content of the counter register [C] is incremented by 1 and the process of step 260 is performed again.

As described above, by repeating the processing of steps 260 to 280, the display section 11 is turned on for a time corresponding to the one's decimal place of the group address data AD.
If it is determined in step 260 that the data in the counter register [C] matches the data in the memory [N], the process proceeds to step 180 in FIG. Therefore,
When the processing shown in FIGS. 6 and 7 is performed, as shown in the timing chart of FIG. 8, a period M × τa corresponding to the tens place and a period N × τ corresponding to the ones place of the group address data AD are obtained.
Since the display unit 11 is turned on only during the period of the sum of b, and then the blinking operation for completion is performed, the group address set in the sensor 8 can be easily checked by checking this lighting time. You can check.

According to this other embodiment, in the maintenance mode, the display unit 11 of each sensor performs a lighting operation corresponding to the group address specified by the receiver 1 in the maintenance mode. If there is a sensor that does not operate in a certain group, it can be confirmed that the sensor is abnormal or incorrectly installed. Therefore, when the present invention is applied to a disaster prevention monitoring system in which a plurality of sensors are connected to each group via a repeater or the like, the maintenance mode is set and the lighting operation by the display 11 is performed. It is possible to confirm at a glance whether or not an error has occurred in mounting, and the inspection operation and the like can be greatly simplified.

Next, still another embodiment will be described. This embodiment is applied to a disaster prevention monitoring system as shown in FIG. First, the structure of the disaster prevention monitoring terminal device will be described with reference to FIG. 9. Reference numeral 12 denotes a base portion that is fixed to a ceiling or the like in advance. Reference numeral 13 denotes a sensor, which is a transmission control unit 1
4, a display control unit 20, a memory unit 15 including a read only memory (ROM), a sensor unit 16, and a display unit 17 including a light emitting diode (LED).

Reference numeral 12a denotes a connection terminal provided on the base section 12, which is connected to a transmission line from the receiver 1. 1
3a is a connection terminal provided on the sensor 13, which is connected to the transmission control unit 14. When the sensor 13 is attached to the base section 12, the connection lines 12a and 13a are connected, so that the transmission line and the transmission control section 14 are connected.

The memory unit 15 previously stores type data indicating the type of the sensor itself, and outputs the type data to the transmission control unit 14 under the control of the transmission control unit 14.
When the sensor 13 is attached to the base unit 12, the transmission control unit 14 responds to the control signal transmitted from the receiver 1 to transmit the signal between the receiver 1 and its own disaster prevention monitoring terminal device. The display control unit 20 has a function of controlling the display operation of the display unit 17, and performs these controls by program processing of a built-in microcomputer.

On the other hand, the receiver 1 is provided with a memory unit (not shown) for storing the address of each terminal device connected to the disaster prevention monitoring system shown in FIG. I have. That is, as shown in FIG. 10, type data indicating the sensitivity and type of the sensor is stored in the memory unit corresponding to the address of each terminal device. Next, the operation of this embodiment will be described. The operation in the maintenance mode for maintenance and inspection will be described.

When the receiver 1 sets the command signal of the control signal as shown in FIG. 3 to the maintenance mode and sends out the control signal by a so-called polling method, the transmission control unit 14 determines that the transmission is in the maintenance mode. And then
When it is determined that the own group address and the own address have been designated, the type data in the memory unit 15 is read and returned to the receiver 1.

The receiver 1 compares the returned signal with the type data (see FIG. 10) stored in the internal memory, and determines whether or not the type data corresponds to the sensor specified by the address signal. Make a judgment. If there is a match, there is no abnormality, polling processing of the next address is performed, and if there is no match, it is determined that a sensor of a predetermined type is not attached in association with a predetermined address, After transmitting the abnormality display signal again to the sensor of the same address, polling processing of the next address is performed.

Then, the display control unit 20, which has received the abnormality display signal, causes the display unit 17 to continuously perform a blinking operation at a preset cycle. As described above, according to this embodiment, the receiver 1 detects the mounting error of the sensor and causes the abnormal sensor to display the error, so that each of the sensors is removed and the address check is performed. No need to do
It is only necessary to remove and reset the sensors that are displaying an abnormality at the site, and inspection work and the like can be greatly simplified.

Although the above-described embodiment relates to a terminal device for disaster prevention monitoring such as a fire detector, a repeater applied to a polling type disaster prevention monitoring system may have a similar function. .

[0042]

As described above, according to the present invention, the terminal device for disaster prevention monitoring determines an error in its own mounting position in response to an instruction from the receiver, and if there is an abnormality, an error of the type is displayed on the display unit. Error message or the installation position is incorrect, or the receiver returns a signal indicating its own type from each disaster prevention monitoring terminal device.If there is an error in the return signal, an error is displayed on the display unit of the corresponding disaster prevention monitoring terminal device. Since the occurrence is displayed, it is possible to confirm whether or not the terminal device for disaster prevention monitoring is installed at a predetermined position extremely easily in an installation work or an inspection work.

[Brief description of the drawings]

FIG. 1 is a block diagram illustrating a configuration of a disaster prevention monitoring system.

FIG. 2 is a schematic configuration diagram illustrating a configuration of a disaster prevention monitoring terminal device according to an embodiment;

FIG. 3 is a timing chart showing a configuration of a control signal output by a receiver.

FIG. 4 is a flowchart showing an operation of the disaster prevention monitoring terminal device shown in FIG. 2;

FIG. 5 is a schematic configuration explanatory view showing a configuration of a disaster prevention monitoring terminal device of another embodiment.

6 is a flowchart showing an operation of the disaster prevention monitoring terminal device shown in FIG.

FIG. 7 is a flowchart further detailing the operation of the disaster prevention monitoring terminal device shown in FIG.

8 is a timing chart showing a lighting operation of a display unit of the disaster prevention monitoring terminal device shown in FIG.

FIG. 9 is a schematic configuration explanatory view showing a configuration of a disaster prevention monitoring terminal device of still another embodiment.

10 is a memory map showing contents of a memory unit provided in a receiver of the disaster prevention monitoring system to which the terminal device for disaster prevention monitoring shown in FIG. 9 is applied.

[Explanation of symbols]

 2, 7, 12; base units 3, 9, 14; transmission control units 4, 11, 17; display units 5, 8, 13; detectors 6, 10, 16; sensor units 15;

Continuation of the front page (56) References JP-A-4-260196 (JP, A) JP-A-59-202594 (JP, A) JP-A-2-121092 (JP, A) JP-A-2-201597 (JP) JP-A-2-110994 (JP, A) JP-A-60-104998 (JP, U) JP-A-60-95688 (JP, U) JP-A 64-3995 (JP, U) (58) Field surveyed (Int. Cl. ⁷ , DB name) G08B 17/00

Claims (4)

(57) [Claims] 1. A detection signal, which is connected to a transmission line drawn from a receiver and indicates a presence or absence of an abnormality in a monitored area, in response to a control signal having a command signal and an address signal transmitted from the receiver. In a disaster prevention monitoring terminal device that returns to a receiver via a transmission line and turns on a display unit when an abnormality is detected, a base unit connected to the transmission line and a sensor detachably attached to the base unit. The maintenance mode provided by the command signal and the address signal from the receiver provided in the base unit or the sensor, and in response to the instruction, the own terminal type set in advance. And a display control unit for displaying on the display unit. 2. A system according to claim 1, wherein said receiver is connected to a transmission line drawn out for each predetermined group from said receiver and responds to a control signal having a command signal and a group address signal transmitted from said receiver to determine whether there is an abnormality in a monitored area. In the disaster prevention monitoring terminal device which returns the detection signal shown to the receiver for each group via the transmission line and turns on the display unit when an abnormality is detected, the maintenance mode is instructed by the command signal and the group address signal. Then, a terminal device for disaster prevention monitoring, comprising: a display control unit that displays a preset terminal type in response to the instruction on the display unit. 3. A disaster prevention monitoring terminal device is connected to a transmission line drawn from a receiver, and in response to a control signal having a command signal and an address signal transmitted from the receiver,
Each disaster prevention monitoring terminal device returns a detection signal indicating the presence or absence of an abnormality to the receiver via the transmission line, and in the disaster prevention monitoring system that turns on the display unit when the abnormality is detected, the disaster prevention monitoring terminal device includes: When the maintenance mode is instructed by the command signal and the address signal transmitted from the receiver, a return signal indicating a preset own address and a terminal type is returned to the receiver in response to the instruction. And a display control unit for displaying the occurrence of an abnormality on the display unit in response to an abnormality designation control signal transmitted from the receiver, wherein each of the disaster prevention monitoring terminal devices Storage means for storing in advance address data indicating the installation position and type data indicating the terminal type, and the command signal and the address signal transmitted to the disaster prevention monitoring terminal device. In response, the return signal returned from the disaster prevention monitoring terminal device is compared with the address data and type data stored in the storage means. If the comparison results do not match, the returned disaster prevention monitor is returned. And a control unit for transmitting the abnormality designation control signal to the terminal device for use to display the occurrence of an abnormality on a display unit of the terminal device for disaster prevention monitoring. 4. The terminal device for disaster prevention monitoring according to claim 1, wherein the display unit performs the display by blinking at a predetermined cycle. .