JP3459100B2 - Disaster prevention equipment - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention simplifies disaster prevention equipment such as sprinkler monitoring panels, fire receivers, and repeaters used in disaster prevention equipment such as sprinkler fire extinguishing equipment and automatic fire alarm equipment, and particularly simplifies internal circuits thereof. The present invention relates to a disaster prevention device whose address can be easily set.

[0002]

2. Description of the Related Art FIG. 4 is a block diagram showing a fire receiver as an example of a conventional disaster prevention device. In the figure, reference numeral 1 is a fire receiver, which is, for example, a disaster prevention center on the first floor of a building such as a building. No.), and is also electrically connected to a plurality of other control panels, such as CRT panel 2, building management panel 3 and emergency broadcast facility operation panel 4, which are also installed in the disaster prevention center, and on each floor of the building The plurality of arranged terminal devices such as a fire detector DE, a repeater RP, a transmitter P, a smoke proof device ER, and a district sound device B are also electrically connected.

The fire receiver 1 has, as its internal unit, a control means for controlling the above-mentioned entire equipment including the fire receiver 1, for example, a main unit 11 and a main unit 11 electrically connected to the main unit 11. A display / operation unit 12 capable of direct input / output to / from a plurality of transmission circuits 13a to 13d electrically connected to the main unit 11 to transmit commands and information, and transmission circuits 13a to 13d.
Transfer unit 1 that is electrically connected to each of 13c by two signal lines (no code) and transmits and receives commands and information.
4a, 14b, 14c. The transfer units 14a, 14b, 14c are the above-mentioned CRTs, respectively.
The board 2, the building management board 3, and the emergency broadcast facility operation board 4 are electrically connected, and the above-mentioned terminal equipment is electrically connected to the transmission circuit 13d by two signal lines S + and S-.

The main unit 11 includes a storage device ROM1 for storing a program, a microprocessor MPU1 for controlling the entire equipment according to the program stored in the ROM1, a work storage device RAM1, a display / operation unit 12 and transmission. Interface IF1 for inputting / outputting commands and information to / from the circuits 13a to 13d
1 to IF15.

The display / operation unit 12 is an input / output control unit 121 composed of a microprocessor or the like (not shown), and by being controlled by the input / output control unit 121, a screen display of an LCD or the like (not shown) or an LED. A display unit 122 for performing status display (not shown), an operation unit 123 including various switches (not shown) for performing test input to the fire receiver 1 and control input such as sound stop / recovery operation, and an input. The output control unit 121 has a buzzer 124 or the like for issuing a main alarm or a preliminary alarm when controlled by the output controller 121.

The conventional fire receiver 1 is constructed as described above, and now a fire occurs inside the building, and the fire detector DE which detects the occurrence of the fire generates a fire signal, or When a person who discovers the occurrence of a fire pushes a push button (not shown) of the transmitter P to cause the transmitter P to generate a fire signal, the fire signal is received through the two signal lines S + and S-. It is transmitted to the transmission circuit 13d of the machine 1. Fire signal or information is transmitted from the transmission circuit 13d to the IF 15
It is collected, that is, taken in by the MPU 1 via the, and the floor-based processing and the like are performed here. As a result, MPU1
Also, by sending a command via the input / output control unit 121 of the display / operation unit 12, the display unit 122 is caused to display the screen and status display of the fire occurrence, and the buzzer 124 is sounded. Furthermore, the MPU 1 includes an IF 12 and a transmission circuit 13.
By sending a command, for example, a display signal, through the a and the transfer unit 14a, the detailed situation of the fire occurrence, etc. is displayed on the CRT panel 2, and IF13, IF14, the transmission circuits 13b, 13c and the transfer units 14b, 14c, respectively.
For example, a command to turn off the power of the lighting device on the fire occurrence floor is sent to the building management panel 3, and a command to perform the emergency broadcast to the emergency broadcast facility operation panel 4, and the IF 15 and the transmission circuit 13d are also sent. The local audio system B is operated via the.

In the conventional fire receiver 1, the transmission circuits 13a to 13c are respectively provided to the plurality of transfer units 14a to 14c.
Since c is connected, the configuration of the internal unit becomes complicated, and since IFs 12 to 14 are required for each of the transmission circuits 13a to 13c connected to the transfer units 14a to 14c, the main unit 11 itself becomes complicated. was there.
Therefore, the fire receiver disclosed in Japanese Patent Application No. 5-296967 was invented.

As shown in the block diagram of FIG. 5, the fire receiver 1A includes a microprocessor MPU2, a storage device ROM2 and a RAM, as in the main unit 11 of FIG.
2 and the main unit 11A having the interfaces IF21 and IF22 (the conventional main unit 11
Interface is smaller than that of
4 and the same display / operation unit 12 as shown in FIG. 4, and the only transmission circuit 13 connected to the IF 22 and similar to the transmission circuits 13a to 13d shown in FIG.
And the two signal lines S drawn from the transmission circuit 13.
It is provided with at least one transfer unit 14aA to 14cA connected in parallel between + and S-, for example, three transfer units 14aA to 14cA.

FIG. 6 shows the transfer unit 14aA shown in FIG.
-14cA and a part of the terminal equipment such as a fire detector DE
3 is a detailed block diagram of a relay RP. The transfer units 14aA to 14cA include transmission circuits TRX1 to TRX3 connected to the signal lines S + and S-, respectively, and control circuits 141 and 151 connected to the transmission circuits and configured mainly with a microprocessor or the like (not shown). , 161, and
Address setting units AD1 to AD3 connected to each control circuit and for setting a self address so that the transmission circuit 13 can specify the transfer unit, each control circuit and C
Transfer circuit 142.15 for transferring information and commands between the RT board 2, the building management board 3, and the emergency broadcast facility operation panel 4.
2, 162.

Similarly, the fire detector DE and the relay RP are
In addition to the transmission circuits TRX4 and TRX5 and the address setting units AD4 and AD5, respectively, a detection unit 52 for detecting a fire, and a terminal device that cannot be directly connected to the signal lines S + and S-, for example, a fire detector DE are different types. Of the fire detectors T1, T2, ... For detecting the presence or absence of signals from the fire detectors, the discrimination circuit 51 for discriminating the fire based on the output from the detection unit 52, the discrimination for monitoring the signal monitoring circuit 62. And a circuit 61.

In the fire receiver 1A thus constructed, when the detection section 52 of the fire detector DE detects a fire that has occurred inside the building, the discrimination circuit 51 causes the address setting section A to operate.
The fire signal is transmitted together with the self-address from D4 to the transmission circuit T.
Transmission circuit 13 through RX4 and signal lines S + and S-
The transmission circuit 13 can recognize that the fire signal is emitted from the fire detector DE by transmitting the signal to the fire detector DE. Similarly,
The signal monitoring circuit 62 of the repeater RP is a fire detector such as T2.
When the presence of a signal is detected from the discriminating circuit 61, the discriminating circuit 61 transmits the fire signal together with the self-address from the address setting unit AD5.
You can recognize that it is emitted from.

The fire signal thus transmitted is further transmitted from the transmission circuit 13 to the IF of the main unit 11A.
It is taken into the MPU 2 via 22 and the necessary processing is performed here. As a result, when the MPU 2 generates an instruction, for example, a display signal and sends it to the transmission circuit 13, the transmission circuit 1
3 is a transfer unit 1 in which the address AD1 is added to the display signal.
By sending to 4aA, the transfer unit 14aA can recognize that the received display signal is a signal to itself,
Therefore, this display signal is transferred to the CRT board 2 and displayed.

When the detection section 52 has a test circuit (not shown), the operation section 1 in the display / operation unit 12 is provided.
Operate 23 switches to input test input to main unit 1
When the MPU 2 sends a test signal to the transmission circuit 13 by applying it to 1A, the transmission circuit 13 attaches the address AD4 to the test signal, and the signal lines S + and S-, the fire detector D
The signal is sent to the detection unit 52 through the transmission circuit TRX4 and the determination circuit 51 in E, and the necessary test of the fire detector DE is performed.

From the CRT board 2 to the main unit 11
The information to the inside MPU1 includes a failure signal, a switch status signal, a smoke control signal, etc.
In addition to the above-mentioned display signal, the T board 2 includes a smoke control signal, a smoke control response signal, a fire restoration signal, a switch status signal, a failure signal, a transfer stop signal, and the like. Similarly, information from the building management panel 3 to the MPU 1 includes a failure signal, and conversely, as an instruction from the MPU 1 to the building management panel 3, in addition to the power-off signal, a fire (district) signal, smoke control There are response signals, fire recovery signals, inspection mode signals, failure signals, etc. An emergency broadcast signal is sent from the emergency broadcast facility operation panel 4 to the MPU 1.

[0015]

The conventional transfer unit or terminal equipment as a transmission unit has a problem that a transmission circuit must be provided for each of them and an address must be set. The present invention has been made to solve such a problem, and an object thereof is to provide a disaster prevention device including a transmission unit having a simplified internal circuit configuration and easy address setting.

[0016]

DISCLOSURE OF THE INVENTION A disaster prevention device according to the present invention has a single transmission circuit and address setting section, and is connected to these transmission circuit and address setting section in common and individually connected to an external control panel or terminal device. And a plurality of circuits to be connected, each circuit including a transmission unit that adds a different numerical value to an address set in the address setting unit to obtain its own address.

[0017]

According to the present invention, if, for example, the set value n is set in the unique address setting section of the transmission unit, each of the plurality of circuits in the transmission unit has a different numerical value, for example, +.
0, +1, +2, +3, etc. are added to obtain the own address.

[0018]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below in detail with reference to the accompanying drawings. FIG. 1 is a block diagram showing an NS monitoring board (sprinkler monitoring board) as a first embodiment of a disaster prevention device according to the present invention. This NS monitoring board 1B is the same main unit 11A as shown in FIG. The display / operation unit 12, the transmission circuit 13, and the only transfer unit 14 as a transmission unit.

The transfer unit 14 is the NS monitoring board 1B.
A unit for transmitting / receiving information to / from another control panel such as a fire receiver connected to the C via a signal line.
RT board 2, building management board 3, emergency broadcast facility operation panel 4
And the fire indicator 5 are connected. The transfer unit 14 includes a transmission circuit T connected to the signal lines S + and S-.
RX, a plurality of control circuits 141, 151, 161, 171, which are commonly connected to the transmission circuit TRX and are configured around a microprocessor (not shown), the control circuits and the CRT board 2 and the building, respectively. Transfer circuits 142, 152, 162, 172 for inputting and outputting transfer signals to and from the control panel 3, the emergency broadcast facility operation panel 4, and the fire indicator 5.
And a unique address setting unit AD commonly connected to each control circuit. The control circuits 141 and 15
1, 161 and 171 add different numerical values and recognize as their own addresses. For example, the addition value is +0, +1, + to the setting value n of the address setting unit AD, respectively.
When set to 2, +3, the address of the control circuit 141 is n + 0, the control circuit 151 is n + 1, and the control circuit 161.
Becomes n + 2 and the control circuit 171 becomes n + 3, and each control circuit recognizes a different address.

In the NS monitor board 1B thus constructed, when the internal transmission circuit 13 sends a transfer signal together with an address to the signal lines S + and S-, each control circuit
It is determined whether the transfer signal is a transfer signal to itself, and if it is the transfer signal, the transfer signal is sent to another control panel via the corresponding transfer circuit. Further, when a transfer signal is input from another control board via the corresponding transfer circuit, each control circuit sends the transfer signal together with its own address to the transfer unit 1
By outputting through the transmission circuit TRX in 4,
The transmission circuit 13 in the S monitoring board 1B can identify the transmission source of the transfer signal from the address added to the transfer signal.

FIG. 2 is a block diagram showing a second embodiment of the disaster prevention equipment according to the present invention, that is, a repeater as a transmission unit. This repeater 16 is the same fire receiver 1A as shown in FIG. Are connected between the signal lines S + and S- from the fire detectors 7 to 10 having no plurality of address setting units.

Unlike the fire detector DE of FIG. 6, the relay 16 is a fire detector that cannot be directly connected to the signal lines S + and S-, for example, the fire detectors 7, 8, 9, 10 that perform only a switching operation when a fire is detected. Is a terminal device for relaying the fire signal of No. 1, converting it into a coded signal, and then transmitting the coded signal to the fire receiver 1A. The repeater 16 is mainly composed of a transmission circuit TRX connected to the signal lines S + and S- shown in FIG. 1, and a microprocessor etc. (not shown) commonly connected to the transmission circuit TRX. Multiple discriminating circuits 6
1, 71, 81, 91, monitoring circuits 62, 72, 82, 92 for monitoring the voltage between signal lines between the respective discrimination circuits and the fire detectors 7, 8, 9, 10, respectively, and FIG. It has a unique address setting section AD similar to that shown in FIG.
The discrimination circuits 61, 71, 81 and 91 recognize different addresses as in the first embodiment.

In the repeater 16 thus configured, for example, when the fire detector 7 detects a fire and performs a switching operation, it is determined through the monitoring circuit 62 that the signal lines are short-circuited. The circuit 61 detects and this discrimination circuit 6
1 outputs the coded fire signal together with its own address via the transmission circuit TRX. Then, the fire receiver 1A can recognize that the fire detector 7 detects a fire from the received fire signal and address.

In the second embodiment, the relay 16 is not limited to being connected to the fire detector, but may be, for example, a smoke control device or a district audio system, and one fire may be provided between the signal lines. Not only the detector but also a plurality of fire detectors may be connected to discriminate the fire signal as a district.

FIG. 3 is a diagram simply showing the address recognition method of each transmission unit. Microprocessor MPU
1, MPU2, MPU3, MPU4 are control units of the transmission unit 14 or 16, respectively, and are the control circuits 141, 151, 161, 171 or the second embodiment.
It corresponds to the discrimination circuits 61, 71, 81, 91 in the embodiment. The DIP switch DSW is a common address setting unit, and is the address setting unit AD of the first or second embodiment.
Equivalent to.

Each microprocessor MPU1, MPU
2, MPU3 and MPU4 have ports P0 and P, respectively.
The added value from 0 to 3 is set by H (high) and L (low) of 1. Then, each microprocessor reads the 8-bit numerical value of the DIP switch DSW and, at the same time, adds an arbitrary numerical value from the states of its own ports P0 and P1 to obtain its own address. The setting of this port does not necessarily need to be set to 1 for H and 0 for L, and may be reversed, and many ports can be used as needed. Furthermore, DIP switch D
Two bits of 8 bits of SW may be replaced with two ports for recognition. Thus, by providing a common address setting unit for a plurality of circuits in the transmission unit and adding different numerical values to each circuit, it is possible to set the addresses of a plurality of circuits with one address setting, Address setting becomes easy. By sharing the transmission circuit, the labor of connection and the like can be simplified, and it is particularly effective when a plurality of circuits are accommodated in one substrate.

[0027]

As described above in detail, the disaster prevention device according to the present invention is uniquely connected to the unique address setting section and the address setting section, and individually connected to the external control panel, terminal device, or the like. And a transmission circuit that transmits and receives signals with addresses based on the operations of the plurality of control circuits, and each control circuit adds a different numerical value to the address set in the address setting unit. Since it is equipped with a transmission unit that uses its own address, the addresses of a plurality of control circuits in the transmission unit are set by setting only one address in the address setting unit, and there is a margin as an address setting unit. Not only can it be done, but the work becomes easier. Further, by sharing the transmission circuit, it is possible to reduce the size of the disaster prevention device and to easily connect to the signal line.

[Brief description of drawings]

FIG. 1 is a block diagram showing a first embodiment of the present invention.

FIG. 2 is a block diagram showing a second embodiment of the present invention.

FIG. 3 is a diagram simply showing an address recognition method of each transmission unit.

FIG. 4 is a block diagram showing an example of a conventional fire receiver.

5 is a block diagram showing a fire receiver obtained by improving the fire receiver shown in FIG.

FIG. 6 is a block diagram showing in detail a part of the fire receiver shown in FIG.

[Explanation of symbols]

1B NS monitoring panel 14 Transfer unit TRX transmission circuit AD address setting section 141, 151, 161, 171 control circuit 16 Repeater 61, 71, 81, 91 discrimination circuit 2, 3, 4, 5 Other control panels 7,8,9,10 Fire detector

Claims (6)

(57) [Claims] 1. A single address setting unit, a plurality of control circuits commonly connected to the address setting unit and individually connected to an external control panel, a terminal device, etc., and an operation of the plurality of control circuits. A disaster prevention device including a transmission circuit that transmits and receives a signal with an address based on the transmission unit, and each control circuit includes a transmission unit that adds a different numerical value to the address set in the address setting unit to obtain its own address. 2. The transmission unit has a unique address setting section, a plurality of control circuits, and a unique transmission circuit, and each control circuit is commonly connected to the transmission circuit and the address setting section. Item 1 disaster prevention equipment. 3. The transmission unit is a transfer unit, and the control circuit attaches its own address to a transfer signal from or to the control panel, or recognizes its own address. The disaster prevention device according to claim 1 or 2, wherein the transmission circuit inputs and outputs the transfer signal with the self-address. 4. The transmission unit is a repeater, the control circuit assigns the self address to an operation signal from or to the terminal device, or recognizes the self address, and The disaster prevention device according to claim 1, wherein the transmission circuit inputs and outputs the operation signal with the self-address. 5. The disaster prevention device according to claim 1, 2 or 4, wherein the terminal device is at least one fire detector, transmitter, smoke-proof device or district acoustic device. 6. The disaster prevention device according to claim 1, wherein the address setting unit is a DIP switch, and the plurality of control circuits in the transmission unit have a microprocessor.