JP2000276669A - Smoke prevention and discharge linked control system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To accurately drive smoke prevention and discharge equipment or inhibit to drive it corresponding to the presence/absence of a person inside a smoke prevention and discharge area without the need of making the person perform any operation. SOLUTION: To a smoke prevention and discharge equipment line L1, terminal equipment 2 is connected in the preceding stage of connecting the smoke prevention and discharge equipment 3. The terminal equipment 2 is at least provided with a human body detection means 21 for detecting a human body and a control means 20 and SW1 for driving the smoke prevention and discharge equipment 3 when the human body detection means 21 does not detect the human body at the time of receiving driving signals through the smoke prevention and discharge equipment line L1 and inhibiting the drive of the smoke prevention and discharge equipment 3 when the human body detection means 21 detects the human body at the time of receiving the driving signals through the smoke prevention and discharge equipment line L1.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement in an interlocking control system for smoke control, in which a fire receiver controls an operation of a fire detector or the like in conjunction with a smoke control device.

[0002]

2. Description of the Related Art Conventionally, an automatic fire alarm system has been introduced in large-scale buildings and condominiums, and a fire receiver has been installed in a central monitoring room, a management room, and the like.
Fire detectors are installed in each room, dwelling unit and floor to monitor the occurrence of fires based on data such as smoke density and ambient temperature.

[0003] When a fire detector issues a fire signal and receives a fire signal via a detector line, the fire receiver uses a sound device (such as a bell) set in advance for the detector line to start the fire. The building is notified of the outbreak and people in the building can be evacuated quickly. Also, like the acoustic device,
A drive signal is sent to the smoke-prevention device line that is set in accordance with the sensor line, and the smoke-prevention device (fire door, smoke-exhaust fan, etc.) that receives the drive signal is driven to prevent the exhaust. A smoke interlocking control system is configured to form a smoke evacuating section in the building to prevent smoke from entering.

[0004] In such a smoke control system,
Driving the smoke control equipment while there is a person in the smoke control area can be dangerous. Therefore, a switch is provided for each section where the fire receiver or the smoke control equipment is installed. To operate or prohibit the operation of smoke prevention equipment.

[0005]

By the way, in the above-mentioned conventional smoke and smoke interlocking control system, when the fire receiver is provided with the switch means, unless the fire receiver is manually operated at the place where the fire receiver is installed. Driving or prohibition of smoke prevention equipment cannot be set. Therefore, for example, when operating in a driving prohibited state during normal times, it is necessary to go to the place where the fire receiver is installed and drive the smoke prevention equipment to drive the smoke prevention equipment. there were.

In addition, when a switch is provided for each section in which the smoke control device is installed, the drive or prohibition of the drive of the smoke control device is required unless the switch is provided manually. Cannot be set. Therefore, for example, when operating in a driving prohibited state during normal times, in order to operate the smoke prevention device, it is necessary to go to the section where the switch means is provided and perform the driving operation of the smoke prevention device. there were.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and requires no operation by a person, and drives a smoke prevention device according to the presence / absence of a person in a smoke prevention section. Alternatively, it is another object of the present invention to provide a smoke-exhaust smoke interlocking control system capable of accurately prohibiting driving.

[0008]

According to a first aspect of the present invention, there is provided a smoke-exhaust / smoke control system, wherein a terminal is connected to a smoke-prevention equipment line before connecting the smoke-prevention equipment. The terminal is connected to a human body detecting means for detecting a human body and, when a driving signal is received through a smoke prevention equipment line, if the human body detecting means does not detect a human body, At least a control unit for prohibiting the operation of the smoke prevention device if the human body detection unit detects the human body when the driving signal is received via the smoke prevention device line while driving the device.

According to the second aspect of the present invention, the terminal unit is further connected to the fire receiver via a signal line, and the control unit of the terminal unit is connected to a smoke prevention device line. When driving or prohibiting the operation of smoke prevention equipment in response to the reception of the driving signal via
A confirmation signal for driving or prohibiting driving of the smoke prevention equipment is transmitted through a signal line.

[0010] According to the third aspect of the present invention, the terminal further includes a sound output means for outputting a predetermined voice message when the operation of the smoke prevention device is prohibited. Here, the predetermined voice message is a message that prompts a person in the smoke-control area where the smoke-control apparatus is installed to evacuate, for example, "Drive the smoke-control apparatus to open the smoke-control area. Form. Please evacuate immediately. "

According to the fourth aspect of the present invention, the control means of the terminal prohibits the operation of the smoke control device in response to the reception of the drive signal via the smoke control device line. After the predetermined time has elapsed, the smoke prevention device is driven.

[0012]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a diagram showing an example of a configuration of a main part of an anti-smoke smoke interlocking control system of the present invention.
Here, the configuration of an automatic fire alarm system installed in a large-scale building or condominium is shown as an example of a smoke emission control system.

A fire detector 1 installed in a central monitoring room or a manager's office has a fire detector S via a detector line Ls.
And the transmitter P, while connecting the smoke control device 3 via the smoke control device line L1. Further, a terminal device 2 is connected to the fire receiver 1 via a signal line L2 before the smoke prevention device 3 is connected. Here, the terminal device 2 and the smoke prevention equipment 3 are installed in each predetermined smoke prevention section corresponding to the sensor line Ls.

The fire receiver 1 includes a fire detector S and a transmitter P
When a fire signal is received via the detector line Ls by the notification of the above, the line number (eg, one line) of the detector line Ls to which the fire detector S or the transmitter P that has issued the alarm is connected is displayed. In addition, an alarm sound is emitted from a speaker (not shown), and an audio device (not shown) registered corresponding to the sensor line Ls is also emitted.

The fire receiver 1 drives the fire detector S or the smoke control device line L1 registered corresponding to the detector line Ls to which the transmitter P is connected. Send a signal. When the terminal device 2 receives the drive signal transmitted via the smoke control device line L1, the terminal device 2 determines whether the smoke control device 3 is in accordance with the presence or absence of a person in the smoke control section.
Is controlled.

Therefore, as shown in FIG. 2, the terminal device 2 includes a CPU 20 for controlling the following components, an infrared sensor 21 for detecting a person in the smoke-elimination section, and a speaker S.
P, a voice output unit 22 for outputting a predetermined voice message, a storage unit 23 storing various programs and the like necessary for the operation of the terminal device 2, a switch SW
1 and SW2.

Here, CPU 20, switches SW1, S
W2 constitutes the control means of the present invention, the infrared sensor constitutes the human body detecting means of the present invention, the audio output unit 22 and the speaker SP constitute the audio output means of the present invention, and the switches SW1 and SW2 Is normally open. When the terminal device 2 receives a drive signal from the fire receiver 1 via the smoke elimination device line L1, the terminal device 2 performs an operation as shown in the flowchart (100 to 104) of FIG. Upon receiving the signal (100),
The CPU 20 determines whether the infrared sensor 21 detects a human body (101).

If the infrared sensor 21 detects a human body, the CPU 20 keeps the switch SW1 open and does not drive the smoke prevention and emission device 3. And the switch S
With W2 open, signal line L2 to fire receiver 1
A drive prohibition confirmation signal is sent out via. This drive prohibition confirmation signal informs the fire receiver 1 that the smoke elimination device 3 is not to be driven. When the fire receiver 1 receives this signal, the smoke elimination device is not driven. A message indicating the fact may be displayed or output as audio.

At the same time, the CPU 20 causes the audio output unit 22 to output a predetermined audio message, for example, an audio message such as "drive smoke prevention equipment to form a smoke prevention section. Please evacuate immediately." Output from the SP to encourage people in the smoke control area to evacuate (1
02). Then, when a predetermined time (for example, 30 seconds) elapses (103), the CPU 20 closes the switch SW1 and forcibly drives the smoke prevention device 3. Then, the switch SW2, which is in the open state, is closed, and a drive confirmation signal is transmitted to the fire receiver 1 via the smoke prevention equipment line L1.

This drive confirmation signal notifies the fire receiver 1 that the smoke control device 3 has been driven. When the fire control device 1 receives this signal, the fire control device 3 It is sufficient to display a message indicating that is driven or to output as a voice (104).
On the other hand, if the result of determination in step 101 is that the infrared sensor 21 has detected a human body, the CPU 20 closes the switch SW1, drives the smoke prevention device 3, and
The switch SW2 is closed, and a drive confirmation signal is sent to the fire receiver 1 via the smoke control device line L1 (10).
4).

[0021]

As can be understood from the above description, in the smoke control system according to the first aspect, when the terminal device receives a drive signal via the smoke control device line, the terminal device is connected to the human body. If the detection means does not detect a human body, the smoke prevention equipment is driven, while if the human body detection means detects a human body, the operation of the smoke prevention equipment is prohibited, so there is no need for human operation. In addition, it is possible to automatically drive or prohibit the operation of the smoke prevention device automatically in accordance with the presence or absence of a person in the smoke prevention section.

[0022] In the smoke prevention and smoke interlocking control system according to the second aspect, when the terminal device drives or inhibits the driving of the smoke prevention device in response to the reception of the drive signal via the smoke prevention device line, A confirmation signal is sent to the fire receiver to activate or prohibit the operation of the smoke control device. And the like can be notified by display, voice, or the like.

According to the third aspect of the present invention, when the terminal device prohibits the operation of the smoke control device,
Since the predetermined voice message is output, it is possible to promptly evacuate a person in the smoke-elimination section. In the smoke prevention and smoke interlocking control system according to claim 4, the terminal device includes:
In response to the reception of the drive signal via the smoke control device line, if the drive of the smoke control device is prohibited and the predetermined time elapses, the smoke control device is driven. For example, by forcibly driving the smoke emission control device, the smoke emission prevention section can be quickly formed, and the spillage of smoke can be prevented.

[Brief description of the drawings]

FIG. 1 is a diagram showing an example of a configuration of a main part of a smoke emission control system according to the present invention.

FIG. 2 is a block diagram illustrating an example of an internal configuration of a terminal.

FIG. 3 is a flowchart illustrating an example of a basic operation of the terminal.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Fire receiver 2 ... Terminal device 3 ... Smoke elimination device 20 ... CPU 21 ... Infrared sensor 22 ... Voice output part SW1, SW2 ... Switch SP ... Speaker Ls: Detector line L1: Smoke prevention device line L2: Signal line

Claims (4)

[Claims] 1. A fire prevention apparatus having a configuration in which a fire receiver that receives a fire signal via a sensor line sends a drive signal to a smoke prevention equipment line registered corresponding to the sensor line. In the smoke interlocking control system, a terminal device is connected to the smoke prevention device line before connecting the smoke prevention device, the terminal device includes a human body detection unit that detects a human body, and the smoke prevention device. When the drive signal is received via the device line, if the human body detecting means does not detect a human body, the drive signal is received via the smoke control device line while driving the smoke control device. A control unit for prohibiting the operation of the smoke prevention device if the human body detection unit detects a human body. 2. The terminal device according to claim 1, wherein the terminal device is further connected to the fire receiver via a signal line, and the control means of the terminal device is connected via the smoke prevention device line. When the driving or prohibition of the smoke prevention equipment is performed in response to the reception of the driving signal, the fire receiver is
A smoke prevention and smoke interlocking control system, wherein a confirmation signal for driving or prohibiting the operation of the smoke and smoke prevention device is transmitted through the signal line. 3. The terminal according to claim 1, wherein said terminal further comprises a sound output means for outputting a predetermined sound message when driving of said smoke elimination device is prohibited. Characterized by a smoke control system. 4. The smoke control device according to claim 1, wherein the control unit of the terminal device prohibits the operation of the smoke control device in response to the reception of the drive signal via the smoke control device line. A smoke prevention and smoke interlocking control system characterized in that when a predetermined time has passed since then, the smoke prevention and smoke prevention device is driven.