JPH03276398A - Self fire alarming system - Google Patents

Abstract

PURPOSE:To simplify the wiring execution and the extension of a sub-display device by attaining the control of a warning area indicating lamp based on the control data of a transmitting signal from a receiver and connecting to a pair of transmitting lines with the sub-display device in the same way as a repeater. CONSTITUTION:A repeater 7 is connected with a heat sensor 2a, a smoke sensor 2b, etc., through a line. A receiver 1 has a transmitting function to make the monitoring data of the sensor 2a or 2b returned from the repeater 7 called with transmitting a transmitting signals Vs in the order of addresses. Besides, the receiver 1 detects the interruption generating repeater 7 accesses the repeater and makes it return a return signal VR being monitoring data. Besides, in the receiver 1, control data to be transmitted to a sub-display device 8 provided with corresponding warning area indicating lamps 101 to 104 are prepared based on the monitoring data returned from the repeater 7. The control data are time-divided and multiple-transmitted to the device 8 through a transmitting line 6 and the indicating lamps 101 to 104 are controlled.

Description

[Detailed description of the invention] [Industrial application field] The present invention relates to a self-fire alarm system.

[Prior Art] Figures 9(a) and 9(b) show the configuration of a self-fire alarm system. Connect the sensors and receive alarm signals from these sensors 2a and 2b with the receiver 1,
Based on the received JATSUBU signal, the area where the alarm was issued was displayed and alarms were controlled. Also, similar to the alarm area indicator light provided in the receiver 1, the sub-display device 4 equipped with an alarm area indicator light is a control signal that is sent from the receiver 1 to directly turn on and off the alarm area indicator light. It is connected to the receiver 1 via a line 5, and the area where the alarm has been issued can be displayed using a control signal from the receiver 1.

The latter system connects the sensor 2a via line 3 to a repeater 7 which is connected to receiver 1 via transmission line 6.

A disaster prevention sensor such as 2b is connected, and the receiver 1 calls the repeater 7 with a time-division multiplexed transmission signal, and receives information corresponding to the status of the sensors 2a and 2b connected to the repeater 7 as monitoring data. Based on this monitoring data, the area indicator lights and alarms were controlled. The sub-display device 4° is connected to a repeater 7 via a control line 5°, and receives control signals sent via the control line 5° by the repeater 7 which has taken in the control data of the transmission signal from the receiver 1. It is designed to turn on and off the corresponding district alarm indicator light.

[Problems to be Solved by the Invention] By the way, the sub-display device F4 or 4' of the above-mentioned conventional example receives a control signal from the receiver 1 or the repeater 7 to turn it on and off corresponding to each district alarm indicator light. Since it is configured to be connected to the receiver 1 or the repeater 7 via the control line 5 or 5', there are problems in that the wiring is complicated and it is not easy to accommodate additional lines.

The present invention has been made in view of the above-mentioned problems, and the invention according to claim 1 simplifies wiring construction for the sub-display device.
The invention as claimed in claim 2 is aimed at providing a self-fire alarm system that can easily cope with the addition of lines, etc.
In accordance with the object of the invention, it is an object of the present invention to provide a self-fire alarm system in which a sub-display device can be installed using a ready-made switch box, and which further improves workability and adaptability when expanding. .

[Means for Solving the Problems] In order to achieve the above-mentioned object, the invention according to claim 1 includes: a repeater that receives information from a disaster prevention sensor connected to a corresponding line; It consists of a receiver that connects each repeater via a transmission line, and transmits a transmission signal including address data, control data, etc. and a reply period timing signal to the receiver, and the repeater transmits address data of the transmission signal. is connected to the transmission line in a self-fire alarm system that returns monitoring data such as information from the disaster prevention sensor to the receiver via the transmission line in response to a reply period timing signal when the address matches the own address. In addition, a plurality of alarm area indicator lights, an address setting section for setting a unique address, and when the received address data matches the unique address, control data is taken in, and the above alarm area is displayed according to the control data. It is equipped with a sub-display device having a signal processing section that controls and drives the lights.

The invention according to claim 11t2 is the invention according to claim 1, in which the main body of the sub-display device is formed in a module size that can be stored in a ready-made switch box.

[Function] According to the present invention, the sub-display device is connected to the transmission line, and also includes a plurality of alarm area indicator lights, an address setting section for setting a unique address, and a display device that matches the received address data with the unique address. Since the device has a reception control section that takes in control data when the signal is transmitted and controls and drives the warning area indicator light according to the control data, the warning is issued based on the control data of the transmission signal from the receiver. The sub-display device can be connected to a pair of transmission lines in the same way as a repeater, and there is no need to connect it directly to a repeater or receiver; Wiring for the sub-display device is easy because all you need to do is connect the wires and the power supply line, and when adding an additional display device, all you need to do is cross-wire the transmission line and power line from the existing sub-display device. Expansion can be easily accommodated.

Furthermore, by forming the main body of the sub-display device in a module size that can be stored in a ready-made switch box, the sub-display device can be installed in the same way as a ready-made wiring device, and construction is simplified.

[Example] The present invention will be explained below with reference to Examples.

FIG. 1 shows the overall configuration of an embodiment, in which a pair of transmission lines 6 and a power line 9 are led out from a receiver 1, and these transmission lines 6
A disaster prevention system is constructed by connecting the power line 9, the repeater 7, and the sub-display device 8.

The repeater 7 connects the heat sensor 2a and the smoke detector 2 via the line 3.
A disaster prevention sensor such as b is connected.

The sub-display device 8 is formed in accordance with the module dimensions of a ready-made wiring device and can be built into a so-called serial type ready-made switch box (not shown) on the surface of the main body 11 as shown in FIG.
As shown in Figure 3, four alarm area indicator lights10. ~10
4, and a circuit section shown in FIG. 4 is built into the main body 11.

The receiver 1 transmits a transmission signal Vs to a repeater 7 and a sub-display device 8 via a transmission line 6, and as shown in the fifth rya<a>, a start pulse signal S indicating the start of signal transmission is transmitted.
T, a mode data signal MD indicating a signal mode, an address data signal AD that includes page data and transmits address data for calling the repeater 7 and the sub-display device 8, a control for controlling the repeater 7 and the sub-display device 8; Control data signal CD and checksum data signal C8 for transmitting data
and a bipolar (±24v) consisting of a return timing signal WT that sets the return signal period from terminals 2.3.7 to 9.
It is a time division multiplexed signal, and data is transmitted using pulse width modulation.

In each repeater 7 and sub-display device 8, when the address data of the transmission signal Vs received via the transmission l16 and its own unique address data match, the control data of the transmission signal Vs is taken in, and the control data of the transmission signal Vs is taken in. The monitoring data signal is converted into a current mode signal (
The transmission lines 6 are short-circuited via an appropriate low impedance and the signal is sent back as a signal sent out.

The receiver 1 has a transmission function that constantly sends out the transmission signal Vs cyclically in the order of the addresses and returns the monitoring data of the connected sensor 2a or 2b from the called repeater 7, and either of the relays. Figure 5 returned from vessel 7 (
When an interrupt signal Vi as shown in b) is received,
Interrupt processing means is provided which detects the interrupt generating repeater 7, accesses the repeater 7, and causes the repeater 7 to send back reply signals v and I as monitoring data.

In addition, in the receiver 1, based on the monitoring data returned from the repeater 7 as described above, the corresponding alarm area indicator light 1
01 to 104 are created, and the control data is sent to the sub display device 8 via the transmission line 6. The alarm area indicator lights 101 to 104 are controlled by time-division multiplexing transmission to f8. Here, the control data consists of an 8-bit signal, for example, 2 bits correspond to on and off, and the four warning area indicator lights 10. ~10. Each can be turned on and off separately. Of course, a 4-bit configuration may be used to support one load and one bit.

As shown in FIG. 4, the sub-display device 8 includes a receiving circuit that receives the bipolar transmission signal Vs sent from the receiver 1, and a circuit that performs rectification and smoothing to obtain power for the signal processing circuit. ,
An input/output circuit section 12 composed of a circuit that creates a reply signal, etc., an address setting section 14 that sets a unique address, address data of a transmission signal Vs received by the input/output circuit section 12, and an address setting section 14 If they match, the control data is fetched, and based on the control data, the latching relays R3'+ to R3'4 are set or reset, and the relay contacts r to r4 are turned on or off. Or by turning off the warning area indicator light10. A signal processing section 13 that turns on or off 104, and an oscillation circuit section 1 that oscillates a reference clock.
5, and alarm area indicator lights 101 to 10.
．． A light emitting power source is obtained from a power line 9.

In the disaster prevention system of the present invention, the warning area indicator lights 101 to 10 of the sub-display device 8. By controlling the lighting and extinguishing of the display using the transmission signal Vs in the same way as the repeater 7, the sub-display device 8 can be wired with four wires, the pair of transmission lines 6 and the power line 9, and the line 3 can be added. If you want to increase the number of district indications, etc., from the existing sub-indication bag W8 to the transmission line 6 and power line 9 as shown in Figure 6.
A sub-display device 8 having a different address is installed by wiring across the two.

The system of the above embodiment uses 2 bits of 8-bit control data to turn on and off one warning area indicator light, but if it is controlled to turn on and off using 1 bit, one sub 8 warning area indicator lights on the display device 810. ~1
0. In this case, the main body 11 is of a size corresponding to a switch box with two modular dimensions.
′ is used.

In addition, four alarm area indicator lights 101 to 10° are provided, and the main body 11 corresponding to the dimensions of the single module is used as the sub-display device 8 as described above. Of course, as shown in Figure 7,
It is also possible to use a main body 11'' that corresponds to the dimensions of a two-unit module.

[Effects of the Invention] The present invention is connected to a transmission line, and includes a plurality of alarm area indicator lights, an address setting section for setting a unique address, and control data that is set when the received address data matches the unique address. The sub-display device is equipped with a signal processing unit that takes in the control data and controls and drives the warning area indicator lights according to the control data, so that the warning area is determined based on the control data of the transmission signal from the receiver. It is capable of controlling indicator lights, and its sub-display device can be connected to a pair of transmission lines in the same way as a repeater, eliminating the need for direct connection to a repeater or receiver, and at least one pair of transmission lines. Wiring for the sub-display device is easy because all you need to do is connect the wires and the power supply line, and when adding an additional display device, all you need to do is cross-wire the transmission line and power line from the existing sub-display device. This has the effect of being able to easily accommodate expansion. In addition to the effect of the invention as claimed in claim 1, the invention as claimed in claim 2 has the main body of the sub-display device formed in a module size that can be stored in a ready-made switch box, so that the installation of the sub-display device can be carried out in a ready-made switch box. It can be done in the same way as wiring equipment, and has the effect of making construction even easier.

[Brief explanation of drawings]

Fig. 1 is a schematic system configuration diagram of an embodiment of the present invention;
The figure is a front view of the sub-display device used in the above, FIG. 3 is a perspective view of the sub-display device used in the above, FIG. 4 is a circuit diagram of the sub-display device used in the above, and FIG. An explanatory diagram of a transmission signal, FIG. 6 is an explanatory diagram when a sub-display device used in the above is added, and FIGS. 7 and 8 are perspective views of another example of the sub-display device.
FIGS. 9(a) and 9(b) are schematic system configuration diagrams of conventional examples, respectively. 1 is a receiver, 2a and 2b are sensors, 6 is a transmission line, 7 is a repeater, 8 is a sub-display device, 9 is a power line, 10 to 10 (are alert area indicator lights, and 11 is the main body).

Claims (2)

[Claims] (1) Consists of a repeater that receives information from disaster prevention sensors connected to the corresponding line, and a receiver that connects each repeater via a pair of transmission lines. A transmission signal including data such as data and a reply period timing signal is transmitted, and when the address data of the transmission signal matches its own address, the repeater makes monitoring data such as the information of the disaster prevention sensor correspond to the reply period timing signal. In a self-fire alarm system that sends a response to a receiver via the above-mentioned transmission line, it is connected to the above-mentioned transmission line, and includes a plurality of alarm area indicator lights, an address setting section for setting a unique address, and a received address. The self-display device is characterized by comprising a sub-display device having a signal processing unit that takes in control data when the data matches a unique address and controls and drives the warning area indicator light according to the control data. Fire alarm system. (2) The self-fire alarm system according to claim 1, wherein the main body of the sub-display device is formed in a module size that can be stored in a ready-made switch box.