Disaster prevention system

Abstract

This system provides a disaster prevention system with improved reliability by significantly reducing failures caused by wiring connected to terminal equipment. [Solution] The disaster prevention system connects a fire hydrant device equipped with a transmitter 16 that transmits a fire alarm signal when operated, a pump starter 18 that transmits a pump start signal, and a pump start interlocking device 60 to a signal line drawn from a disaster prevention receiving panel 12. The transmitter 16, pump starter 18, and pump start interlocking device 60 are located in positions where they are operated, and include a wireless switch device 70 that generates electricity when operated and operates with the generated power to transmit a predetermined wireless signal, and a receiving unit 72 that transmits a fire alarm signal or a pump start signal when it receives a predetermined wireless signal from the wireless switch device 70.

Description

Technical Field

[0001] The present invention relates to a disaster prevention system in which a disaster prevention device provided with a terminal device that transmits a predetermined signal when pressed is connected to a signal line drawn from a higher-level device.

Background Art

[0002] Conventionally, in tunnels such as expressways and motorways, disaster prevention receiving panels and fire hydrant devices are installed as emergency facilities. The fire hydrant device includes, for example, a valve group including a fire hose and a fire hydrant valve in a fire hydrant storage section in a housing equipped with a fire hydrant door, and two fire extinguishers are stored in a fire extinguisher storage section in a housing equipped with a fire extinguisher door. Also, generally, the fire hydrant devices are installed at predetermined intervals, for example, at 50-meter intervals, in the longitudinal direction of the tunnel.

[0003] In addition, the fire hydrant device is provided with, as terminal devices, a red indicator light, a transmitter (manual reporting device), a pump starting device used when the fire department starts the fire pump equipment, a pump starting interlocking device interlocked with the operation of the fire hydrant valve, a response lamp indicating that the transmitter has been pressed, and a telephone jack for making a call between the fire hydrant device and a disaster prevention receiving panel installed in an electrical room during maintenance or the like.

[0004] Here, FIG. 14 is an explanatory diagram showing a wiring circuit section for the terminal devices of a conventional fire hydrant device. In FIG. 14, the wiring for a transmitter 160, a response lamp 380, a telephone jack 350, a pump starting device 180, and a pump starting interlocking device 600 provided in the fire hydrant device is shown. Using a terminal block 300 housed in a terminal box provided in the housing of the fire hydrant device, the telephone line T, the telephone common line TC, the response line MF, the response common line FC, the manual reporting line M, the pump starting line HA, and the manual reporting common line (shared with the pump starting common line) MC of the signal line drawn from the disaster prevention receiving panel are wired so that the corresponding terminal devices are connected. Note that, for the red indicator light, since wiring is performed using a terminal block housed in a terminal box different from the terminal block 300 shown in FIG. 14, the explanation and illustration are omitted.

[0005] Furthermore, among the terminal equipment shown in Figure 14, the manual notification line M, pump starter line HA, and manual notification common line MC, which play particularly important roles in the event of a fire, are connected to the transmitter 160, pump starter 180, and pump starter interlocking device 600. A termination resistor R1 is connected between the terminals of terminal block 300 to which the manual notification line M and manual notification common line MC are connected, and a termination resistor R2 is connected between the terminals of terminal block 300 to which the pump starter line HA and manual notification common line MC are connected, thereby enabling wire breakage monitoring. [Prior art documents] [Patent Documents]

[0006] [Patent Document 1] Japanese Patent Publication No. 2024-014254 [Overview of the project] [Problems that the invention aims to solve]

[0007] However, conventional wire break monitoring does not monitor the wiring (internal wiring) from the second terminal block to the terminal equipment installed on the fire hydrant system. As a result, wire breaks in the internal wiring cannot be detected until the operation of the terminal equipment is checked during periodic inspections of the disaster prevention system. If a fire occurs while the internal wiring is left unattended, the disaster prevention system will not function properly.

[0008] Furthermore, while the terminal equipment is equipped with a waterproof structure to protect the internal wiring and the wiring connections of the terminal equipment to which the internal wiring is connected, for example, the transmitter is located on the front of the fire hydrant system which has a door, and the pump starter and pump starter interlocking device are located inside the front side of the fire hydrant system which also has a door. As a result, they are susceptible to water leakage that enters through the gap between the door and the housing, and deterioration of the internal wiring and wiring connections over time cannot be completely avoided, leading to the confirmation of problems such as short circuits and disconnections in the internal wiring.

[0009] Thus, since the presence of internal wiring in terminal equipment affects the reliability of the disaster prevention system, there are proposed countermeasures that would allow for monitoring of internal wiring failures. However, this requires, as a prerequisite, a reduction in failures such as short circuits and disconnections in the internal wiring.

[0010] The present invention aims to provide a disaster prevention system with improved reliability by significantly reducing failures caused by wiring connected to terminal equipment. [Means for solving the problem]

[0011] (Disaster prevention system) The present invention relates to a disaster prevention system in which a disaster prevention device equipped with terminal equipment that transmits a predetermined signal when operated is connected to a signal line drawn from a higher-level device, Terminal devices are, A wireless switch device is provided at a position to be operated, generates electricity when operated, and operates using the generated power to transmit a predetermined wireless signal. A receiving unit connected between a predetermined pair of signal wires included in a signal line, which transmits a predetermined signal to the predetermined pair of signal wires when it receives a predetermined wireless signal from a wireless switch device, It is characterized by having the following features.

[0012] (Receiver unit housed in terminal box) Inside the disaster prevention device, there is a terminal box with a waterproof structure. Inside the terminal box, there is a receiver and a terminal block. The receiving unit is connected to a predetermined pair of signal wires via a terminal block.

[0013] (Interlocking switch) The terminal device has a first switch terminal and a second switch terminal, and includes an interlocking switch that, when operated, short-circuits the first switch terminal and the second switch terminal and transmits a predetermined signal to a predetermined pair of signal wires. The first switch terminal of the interlocking switch is connected to one of a predetermined pair of signal wires, and the second switch terminal of the interlocking switch is connected to the other of a predetermined pair of signal wires. The interlocking switch and the receiver are connected in parallel between a predetermined pair of signal wires.

[0014] (Structure of wireless switch device and interlocking switch) A wireless switch device and an interlocking switch are arranged inside the case body, which is a predetermined cylindrical shape, from one end to the other. The wireless switch device is A pressing operation part is provided on one end of the case body of the wireless switch device and can be pressed from one end of the case body, A drive shaft portion is provided on the other end of the case body of the wireless switch device, and is pushed out toward the other end of the case body when the pressing operation part is pressed, Equipped with, When the press operation part is pressed, the wireless switch device generates power and operates, and the interlocking switch is pressed by the drive shaft part pushed out to the other end of the case body, thereby short-circuiting the first switch terminal and the second switch terminal.

[0015] (A disaster prevention system equipped with a disaster prevention receiving panel and fire hydrant device) The higher-level device is a disaster prevention receiving panel that monitors abnormalities in a predetermined monitoring area. The fire prevention device is a fire hydrant system installed in a designated monitoring area, and has a terminal box with a waterproof structure inside. The terminal equipment includes a transmitter that transmits a fire alarm signal as a predetermined signal when operated, and a pump starter that transmits a pump start signal when operated. Wireless switch devices are provided at the locations where the transmitter and pump starter are operated. Inside the terminal box, there is a receiver and a terminal block. The receiving unit is, When a predetermined wireless signal is received from the transmitter's wireless switch device, a fire alarm signal is transmitted to a predetermined pair of signal wires corresponding to the transmitter. When a predetermined wireless signal is received from the wireless switch device of the pump starter unit, a pump start signal is transmitted to a predetermined pair of signal wiring corresponding to the pump starter unit.

[0016] (Receiver that operates on power supplied via the first terminal block) The fire hydrant system includes, as a terminal box, a first terminal box provided with a first terminal block to which a first line included in the signal line is connected, a second terminal box provided with a second terminal block to which a second line included in the signal line is connected, and comprises the second line includes a predetermined pair of signal wirings corresponding to the transmitter and a predetermined pair of signal wirings corresponding to the pump starting unit, The receiver is provided in either the first terminal box or the second terminal box, and operates when a predetermined power supply is supplied from the first line via the first terminal block.

[0017] (Receiver that operates on power supplied via the second terminal block) The fire hydrant system includes, as a terminal box, a first terminal box provided with a first terminal block to which a first line included in the signal line is connected, a second terminal box provided with a second terminal block to which a second line included in the signal line is connected, and comprises the second line includes a power supply wiring in addition to a predetermined pair of signal wirings corresponding to the transmitter and a predetermined pair of signal wirings corresponding to the pump starting unit, The receiver is provided in either the first terminal box or the second terminal box, and operates when a predetermined power supply is supplied from the power supply wiring via the second terminal block.

[0018] (Pump starting unit) The pump starting unit includes a pump starting device that is operated when receiving the supply of fire extinguishing water from the outside, a pump starting interlocking device that is operated in conjunction with the opening operation of the opening / closing operation unit of the fire hydrant valve, and comprises a wireless switch device is provided at each of the positions where the pump starting device and the pump starting interlocking device are operated, When the receiving unit receives a predetermined wireless signal from the wireless switch device of the pump starting device or the pump starting interlocking device, it transmits a pump starting signal to a predetermined pair of signal wires common to the pump starting device and the pump starting interlocking device.

[0019] (Response lamp) The fire hydrant system is equipped with a response lamp that indicates when the transmitter has been operated. The signal line includes a predetermined pair of signal wires corresponding to the response lamps. The response lamp is connected via the receiver and terminal block between a predetermined pair of signal wires corresponding to the response lamp. The receiving unit, upon receiving a predetermined wireless signal from the transmitter's wireless switch device, enables the transmission of a response signal from the disaster prevention receiving panel to the response lamp via a predetermined pair of signal wiring corresponding to the response lamp. [Effects of the Invention]

[0020] (Effectiveness of disaster prevention systems) The present invention relates to a disaster prevention system in which a disaster prevention device equipped with terminal equipment that transmits a predetermined signal when operated is connected to a signal line drawn from a higher-level device. The terminal equipment includes a wireless switch device provided at the location where it is operated, which generates electricity when operated and operates using the generated power to transmit a predetermined wireless signal, and a receiving unit connected between a predetermined pair of signal wires included in the signal line, which transmits a predetermined signal to a predetermined pair of signal wires when it receives a predetermined wireless signal from the wireless switch device. This makes it possible to provide the location where the wireless switch device is provided (the location where the terminal equipment is operated) and the location where the receiving unit is provided (the location where it transmits a signal to a pair of signal wires) as separate locations.

[0021] Therefore, the receiving unit connected to a pair of signal wires (signal lines) can be installed in a suitable location that is not affected by factors of aging deterioration such as moisture, regardless of the operating position of the terminal equipment. This makes it possible to significantly reduce problems such as short circuits and disconnections in the wiring caused by aging deterioration of the wiring and the wiring connections of the receiving unit, and to provide a highly reliable disaster prevention system.

[0022] Furthermore, since no wiring is required for the wireless switch device, even if the wireless switch device (the part of the terminal equipment that is operated) is located in a place susceptible to water leakage, the absence of wiring to the wireless switch device means that the location of the wireless switch device does not affect the rate of occurrence of short circuits, disconnections, and other wiring problems.

[0023] (Effect of the receiver unit housed in the terminal box) Furthermore, the disaster prevention device is equipped with a waterproof terminal box, and inside the terminal box are a receiving unit and a terminal block. The receiving unit is connected to a predetermined pair of signal wires via the terminal block. As a result, the internal wiring for connecting the receiving unit to the pair of signal wires is completed inside the waterproof terminal box, which significantly reduces the risk of short circuits, disconnections, and other problems in the internal wiring.

[0024] (Effect of the interlocking switch) Furthermore, the terminal device has a first switch terminal and a second switch terminal, and is equipped with an interlocking switch that, when operated, short-circuits the first and second switch terminals to transmit a predetermined signal to a predetermined pair of signal wires. The first switch terminal of the interlocking switch is connected to one of the predetermined pair of signal wires, and the second switch terminal of the interlocking switch is connected to the other of the predetermined pair of signal wires. The interlocking switch and the receiving unit are connected in parallel between the predetermined pair of signal wires. This makes it possible to transmit a signal to a higher-level device through the operation of the receiving unit caused by the operation of the wireless switch device, or through the operation of the interlocking switch (short-circuiting the first and second switch terminals). Therefore, even if a failure occurs in either the wireless switch device (or the receiving unit) or the interlocking switch, it is possible to transmit a signal to a higher-level device using the other unit that is not experiencing a failure. This ensures even higher reliability by providing the terminal device with a fail-safe function.

[0025] (Effects of the structure of wireless switch devices and interlocking switches) Furthermore, a wireless switch device and an interlocking switch are arranged within a predetermined cylindrical case body, from one end to the other. The wireless switch device includes a pressable operating part located on one end of the case body and pressable from that end, and a drive shaft located on the other end of the case body that is pushed out to the other end of the case body when the pressable operating part is pressed. When the pressable operating part is pressed, the wireless switch device generates power and operates, and the interlocking switch is pressed by the drive shaft pushed out to the other end of the case body, thereby short-circuiting the first switch terminal and the second switch terminal. As a result, there is no need to change the operation required to simultaneously operate the wireless switch device and the interlocking switch from the operation performed with conventional terminal equipment, allowing road users to operate the terminal equipment in the same way as with conventional disaster prevention devices.

[0026] (Effectiveness of a disaster prevention system equipped with a disaster prevention receiving panel and fire hydrant device) Furthermore, the higher-level device is a disaster prevention receiving panel that monitors abnormalities in a predetermined monitoring area, the disaster prevention device is a fire hydrant device installed in a predetermined monitoring area and equipped with a terminal box with a waterproof structure inside, and the terminal equipment includes a transmitter that transmits a fire alarm signal as a predetermined signal when operated and a pump start unit that transmits a pump start signal when operated, a wireless switch device is provided at each of the positions where the transmitter and pump start unit are operated, a receiver and a terminal block are provided inside the terminal box, and the receiver transmits a fire alarm signal to a predetermined pair of signal wires corresponding to the transmitter when it receives a predetermined wireless signal from the wireless switch device of the transmitter, and transmits a pump start signal to a predetermined pair of signal wires corresponding to the pump start unit when it receives a predetermined wireless signal from the wireless switch device of the pump start unit. As a result, terminal equipment equipped with a wireless switch device and a receiver can be applied to the transmitter and pump start unit (pump start device, pump start interlocking device), which play particularly important functions in the event of a fire, thereby ensuring high reliability as a disaster prevention system.

[0027] (Effects of the receiver unit operating on power supplied via the first terminal block) Furthermore, the fire hydrant system includes a terminal box comprising a first terminal box with a first terminal block to which a first circuit included in the signal circuit is connected, and a second terminal box with a second terminal block to which a second circuit included in the signal circuit is connected. The second circuit includes a predetermined pair of signal wiring corresponding to a transmitter and a predetermined pair of signal wiring corresponding to a pump starter. The receiver is located in either the first or second terminal box and operates when a predetermined power supply is provided from the first circuit via the first terminal block. Therefore, the power supply for operating the receiver can be secured by the first circuit connected to the first terminal block. In addition, although some of the internal wiring for connecting the second circuit and the receiver spans between the first and second terminal boxes, the location of the first and second terminal boxes can be set to an appropriate location that is not affected by factors such as moisture and other factors that cause deterioration over time, regardless of the operating position of the terminal equipment, and does not increase the rate of occurrence of failures such as short circuits or disconnections of internal wiring.

[0028] (Effects of the receiver unit operating on power supplied via the second terminal block) Furthermore, the fire hydrant system includes a terminal box, which is a first terminal box equipped with a first terminal block to which a first circuit included in the signal circuit is connected, and a second terminal box equipped with a second terminal block to which a second circuit included in the signal circuit is connected. The second circuit includes a predetermined pair of signal wiring corresponding to the transmitter and a predetermined pair of signal wiring corresponding to the pump starter, as well as power wiring. The receiving unit is provided in either the first or second terminal box and operates when a predetermined power supply is provided from the power wiring via the second terminal block. Therefore, the power supply for operating the receiving unit can be secured by the second circuit connected to the first terminal block. Furthermore, if the receiving unit is located in the second terminal box, the internal wiring for connecting the second line and the receiving unit is completed within the second terminal box. If the receiving unit is located in the first terminal box, a portion of the internal wiring for connecting the second line and the receiving unit will cross between the first and second terminal boxes. However, the location of the first and second terminal boxes can be set to an appropriate location that is not affected by factors such as moisture and other factors that cause deterioration over time, regardless of the operating position of the terminal equipment, and this does not increase the incidence of failures such as short circuits or disconnections in the internal wiring.

[0029] (Effect of the pump starter) Furthermore, the pump starting unit includes a pump starting device that is operated when receiving a supply of firefighting water from an external source, and a pump starting interlocking device that is operated in conjunction with the opening operation of the fire hydrant valve's opening / closing control unit. A wireless switch device is provided at each of the operating positions of the pump starting device and the pump starting interlocking device. The receiving unit transmits a pump starting signal to a predetermined pair of signal wires common to the pump starting device and the pump starting interlocking device when it receives a predetermined wireless signal from the wireless switch device of the pump starting device or the pump starting interlocking device. This makes it possible to operate the pump starting device and pump starting interlocking device in the same way as conventional pump starting devices and pump starting interlocking devices even when terminal equipment equipped with a wireless switch device and a receiving unit is used.

[0030] (Effect of the response lamp) Furthermore, the fire hydrant system is equipped with a response lamp to indicate that the transmitter has been operated, and the signal line includes a predetermined pair of signal wires corresponding to the response lamp. The response lamp is connected between the predetermined pair of signal wires corresponding to the response lamp via a receiver and a terminal block. The receiver is configured to transmit a response signal from the disaster prevention receiver panel to the response lamp via the predetermined pair of signal wires corresponding to the response lamp when it receives a predetermined wireless signal from the transmitter's wireless switch device. This allows the system to operate in the same way as conventional response lamps even when terminal equipment equipped with a wireless switch device and a receiver is applied to the transmitter and pump starting unit (pump starting device, pump starting interlocking device). [Brief explanation of the drawing]

[0031] [Figure 1] This is an explanatory diagram showing an overview of the tunnel disaster prevention system. [Figure 2] This is an explanatory diagram showing a fire hydrant system from the front. [Figure 3] This is an explanatory diagram showing the fire hydrant system from the front, with the fire hydrant door, maintenance door, and fire extinguisher door open. [Figure 4] This is an explanatory diagram showing a fire hydrant system viewed from above, with a partial cross-section. [Figure 5] This is a wiring diagram showing a first embodiment of the wiring circuit section. [Figure 6] This is an explanatory diagram showing the location of the transmitter's wireless switch device. [Figure 7] This is an explanatory diagram showing the functional configuration of the wireless switch device according to the first embodiment. [Figure 8] This is an explanatory diagram showing the functional configuration of the receiving unit. [Figure 9] This is a wiring diagram showing a second embodiment of the wiring circuit section. [Figure 10] This is a wiring diagram showing a third embodiment of the wiring circuit section. [Figure 11] This is an explanatory diagram showing the location of the transmitter's wireless switch device and interlocking switch. [Figure 12] This is an explanatory diagram showing the functional configuration of the wireless switch device according to the third embodiment. [Figure 13] This is a wiring diagram showing a fourth embodiment of the wiring circuit section. [Figure 14] This is a wiring diagram showing the wiring circuit section of a conventional fire hydrant system. [Modes for carrying out the invention]

[0032] Embodiments of the disaster prevention system according to the present invention will be described in detail below with reference to the drawings. However, the present invention is not limited to the following embodiments.

[0033] [Basic Concepts of the Embodiment] First, the basic concept of the embodiment will be explained. The embodiment generally relates to a disaster prevention system in which a disaster prevention device, equipped with terminal equipment that transmits a predetermined signal when operated, is connected to a signal line drawn from a higher-level device.

[0034] Here, "higher-level device" refers to a device that primarily manages or controls disaster prevention devices connected to itself, and "disaster prevention device" refers to equipment that is primarily managed or controlled by the higher-level device. The "higher-level device" is, for example, a disaster prevention receiving panel in emergency equipment installed for monitoring areas such as tunnels, and is a concept that also includes central monitoring devices, receivers, control panels, etc. Furthermore, "disaster prevention device" refers to a device equipped with predetermined disaster prevention equipment, including terminal equipment, such as notification devices and fire hydrant systems, and the "terminal equipment that transmits a predetermined signal when operated" is a concept that includes transmitters and pump starters (pump starters, pump starter interlocking devices), etc.

[0035] Furthermore, the "terminal device that transmits a predetermined signal when operated" in the embodiment comprises a "wireless switch device" and a "receiving unit".

[0036] A "wireless switch device" generates electricity through operation and uses the generated power to operate and transmit a predetermined wireless signal. It is installed in a terminal device at a location where it is operated.

[0037] Here, the structure for generating electricity by operating a wireless switch device is arbitrary, but it includes, for example, a structure that employs an electromagnetic induction method in which a permanent magnet, which is a magnetic field generating part, is movably mounted relative to a fixedly positioned electromagnetic induction coil, and when operated, the permanent magnet moves in a predetermined direction relative to the fixedly positioned electromagnetic induction coil, changing the magnetic flux passing through the electromagnetic induction coil and thereby generating electricity.

[0038] Furthermore, the "receiving unit" is connected between a predetermined pair of signal wires included in the signal line and transmits a predetermined signal to the predetermined pair of signal wires when it receives a predetermined wireless signal from the wireless switch device.

[0039] Here, the structure for transmitting a signal to a pair of signal wires when the receiving unit receives a wireless signal from a wireless switch device is arbitrary, but for example, it may include a structure equipped with a switch contact that opens and short-circuits the signal wires to be connected, with the switch contact connected between one and the other of the pair of signal wires in question, with the switch contact normally turned off (open) to open the space between the signal line and the common line, and when a wireless signal is received from a wireless switch device, the switch contact is turned on (closed) to short-circuit the space between one and the other of the pair of signal wires and transmit the signal.

[0040] Thus, since the wireless switch device operates using its own power generation, there is no need to supply power to the wireless switch device, eliminating the need for an internal power source such as a battery or power wiring to supply power to the wireless switch device. Furthermore, since the wireless switch device transmits signals wirelessly, there is no need for signal wiring corresponding to the wireless switch device, and in this embodiment, there is no need to provide wiring to the wireless switch device.

[0041] Furthermore, since the transmission and reception of signals between the wireless switch device and the receiver are performed wirelessly, the wireless switch device and the receiver can be installed in separate locations as long as they are within communication range. The receiver, which is connected to a pair of signal wires, can be installed in a suitable location that is not affected by factors such as moisture and other factors that cause deterioration over time, regardless of the operating position of the terminal equipment (the position of the wireless switch device).

[0042] Therefore, the terminal equipment of this embodiment makes it possible to significantly reduce malfunctions such as short circuits and disconnections in the wiring that occur due to the deterioration of the wiring and wiring connections connected to the receiving unit over time, thereby providing a highly reliable disaster prevention system.

[0043] Furthermore, while the placement of the receiver unit is arbitrary, it can be, for example, installed together with a terminal block inside a terminal box located within a disaster prevention device. The "terminal box" has a waterproof structure, and the "terminal block" has a predetermined number of terminals (wiring connection parts) for electrically connecting the receiver unit and signal wiring. In this way, by housing the receiver unit within a waterproof terminal box, the wiring connecting the receiver unit and the terminal block (internal wiring) is completed inside the terminal box, which significantly reduces problems such as short circuits and disconnections in the internal wiring routed by the disaster prevention device.

[0044] Furthermore, while the placement of the wireless switch device is arbitrary, it is typically installed in the same location as conventional transmitters and pump starters. Additionally, even if the wireless switch device is placed in an area susceptible to water leakage, the absence of wiring to the wireless switch device ensures that its location does not affect the incidence of short circuits, disconnections, or other wiring failures.

[0045] Furthermore, the terminal device includes an "interlocking switch" connected in parallel with the receiving unit between a pair of signal wires. The "interlocking switch" has a first switch terminal and a second switch terminal, and when operated, it short-circuits the first switch terminal and the second switch terminal to transmit a predetermined signal to a predetermined pair of signal wires. The first switch terminal is connected to one of the predetermined pair of signal wires, and the second switch terminal is connected to the other of the predetermined pair of signal wires. Short-circuiting the first switch terminal and the second switch terminal of the interlocking switch is referred to as "operation of the interlocking switch".

[0046] This configuration allows signals to be transmitted to the signal wiring due to either the operation of the wireless switch device or the operation of the interlocking switch. Even if a malfunction occurs in either the wireless switch device (or receiver) or the interlocking switch, the other, which is functioning normally, can be used to transmit the signal, thus providing the terminal equipment with a fail-safe function.

[0047] Furthermore, if the terminal equipment is equipped with an interlocking switch, it is desirable that the wireless switch device be operated in the same way as conventional devices, and that the interlocking switch be able to be operated, so that road users can operate it in the same way as conventional disaster prevention devices.

[0048] One such structure is one in which, for example, a wireless switch device and an interlocking switch are arranged inside a case body which is a predetermined cylindrical shape, from one end to the other, and the wireless switch device is equipped with a "press operation part" and a "drive shaft part".

[0049] The "press operation part" is provided on one end of the case body of the wireless switch device and can be pressed from one end of the case body. The "drive shaft part" is provided on the other end of the case body of the wireless switch device and is pushed out to the other end of the case body when the press operation part is pressed. When the press operation part is pressed, the wireless switch device generates electricity and operates, and the interlocking switch is activated by being pressed by the drive shaft part that has been pushed out to the other end of the case body.

[0050] Here, "one end" and "the other end" are used to clarify the positional relationship between the press operation part and the drive shaft part of the wireless switch device, interlocking switch, and wireless switch device, and do not limit "one end" and "the other end" to any specific position.

[0051] Furthermore, a concrete example of a disaster prevention system equipped with such wireless switch devices and terminal equipment with a receiver unit is one in which the higher-level device is a "disaster prevention receiving panel," the disaster prevention device is a "fire hydrant system," and the terminal equipment includes a "transmitter that transmits a fire alarm signal" and a "pump starter that transmits a pump start signal." In addition, the "wireless switch device" is provided at each of the locations where the transmitter and pump starter unit are operated, and the "receiver" is provided inside the terminal block together with the terminal block.

[0052] Here, the "receiving unit" may be a common receiving unit that corresponds to the wireless switch device of the transmitter and the receiving unit that corresponds to the wireless switch device of the pump starter, or it may be provided as separate receiving units. In addition, in order to enable the receiving unit to identify which wireless switch device the wireless signal was received from, the wireless signal includes information that identifies the wireless switch device, such as a switch ID.

[0053] Furthermore, in conventional fire hydrant systems, the terminal box is divided into two parts: a first terminal box used for red indicator lights, etc., and a second terminal box used for transmitters, pump starters, response lamps, etc. The "first terminal box" is equipped with a first terminal block to which the first circuit included in the signal line is connected, and the "second terminal box" is equipped with a second terminal block to which the second circuit included in the signal line is connected. The second circuit includes signal wiring corresponding to the transmitter and pump starter.

[0054] Furthermore, if the fire hydrant system is equipped with a first terminal box and a second terminal box as terminal boxes, the receiving unit will be located in either the first terminal box or the second terminal box, and will operate either by receiving a predetermined power supply from the first circuit via the first terminal block, or by receiving a predetermined power supply from the power wiring via the second terminal block. The power supply provided from the first or second circuit to operate the receiving unit may be either AC power or DC power.

[0055] Here, if the receiving unit operates on power from the first line, or if the receiving unit operates on power from the second line and is housed in the first terminal box, internal wiring spanning between the first and second terminal boxes is necessary. However, the location of the terminal boxes can be any suitable location that is not affected by factors such as moisture and other factors that cause deterioration over time, regardless of the operating location of the terminal equipment. The internal wiring spanning between the first and second terminal boxes does not increase the rate of failures such as short circuits or disconnections. Furthermore, if the receiving unit operates on a DC power supply and is housed in the second terminal box, the internal wiring is completed within the second terminal box.

[0056] Furthermore, the "pump starting unit" includes a "pump starting device" and a "pump starting interlocking device," as in the conventional unit. The "wireless switch device" is provided at each of the operating positions of the pump starting device and the pump starting interlocking device. The "receiving unit" transmits a pump starting signal to a predetermined signal wiring common to the pump starting device and the pump starting interlocking device when it receives a predetermined wireless signal from the wireless switch device of the pump starting device or the pump starting interlocking device.

[0057] Furthermore, the fire hydrant system, as in conventional systems, is equipped with a "response lamp," and the signal line includes predetermined signal wiring corresponding to the response lamp. The response lamp is connected to the predetermined signal wiring corresponding to the response lamp via a receiving unit and a terminal block. When the receiving unit receives a predetermined wireless signal from the transmitter's wireless switch device, it enables the disaster prevention receiving panel to transmit a response signal to the response lamp via the predetermined signal wiring corresponding to the response lamp.

[0058] Here, the structure for enabling the receiving unit to transmit a response signal from the disaster prevention receiving panel to the response lamp is arbitrary, but for example, it may include a structure equipped with a switch contact that opens and short-circuits the connected wiring, with the switch contact connected between one and the other of the target signal wiring, and under normal circumstances the switch contact is turned off (open) to open the connection between one and the other of the signal wiring, and when a wireless signal is received from the transmitter's wireless switch device the switch contact is turned on (closed) to short-circuit the connection between one and the other of the signal wiring and enable the transmission of the signal.

[0059] The following describes a specific embodiment. In the specific embodiment shown below, the disaster prevention system is a "tunnel disaster prevention system" constructed for tunnels, the "higher-level device" is a "disaster prevention receiving panel", the "disaster prevention device" is a "fire hydrant device", and the "terminal equipment equipped with a wireless switch device and a receiver" is a "transmitter, pump starter, and pump starter interlocking device".

[0060] [Specific details of the embodiment] I will now explain the disaster prevention system in more detail. The details will be divided as follows: a. Overview of the disaster prevention system b. Configuration of fire hydrant system c. First embodiment of the wiring circuit section for terminal equipment c1. Configuration of the wiring circuit section c2. Transmitter c3. Wireless switch device c4. Receiver c5. Operation of the disaster prevention system when terminal equipment is operated. d. Second embodiment of the wiring circuit section for terminal equipment e. Third embodiment of the wiring circuit section for terminal equipment f. Fourth embodiment of the wiring circuit section for terminal equipment g. Modified form of the present invention

[0061] [a. Overview of the disaster prevention system] First, we will explain the overview of the disaster prevention system. For this explanation, please refer to Figure 1, which shows an overview of the tunnel disaster prevention system.

[0062] As shown in Figure 1, in the disaster prevention system, fire hydrant devices 10 are installed in the tunnel at predetermined intervals along the length of the tunnel, for example, at 50-meter intervals. A predetermined number of installation sections, for example, a section with four fire hydrant devices 10, is considered one section, and the four fire hydrant devices 10 are sequentially connected to signal lines 14 (signal cables) drawn out from the disaster prevention receiving panel 12 to each installation section. The number of fire hydrant devices 10 connected to one signal line 14, i.e., the number of fire hydrant devices 10 included in one installation section, and the installation intervals of the fire hydrant devices 10 are arbitrary.

[0063] Furthermore, the signal lines 14 include signal lines for high-voltage systems (AC lines) that are intended for commercial AC power, and signal lines for low-voltage systems (DC lines) that are intended for a specified DC voltage, etc.

[0064] The fire hydrant system 10 is equipped with terminal devices that transmit signals upon operation, such as a transmitter 16 and a pump starter 17. When the transmitter 16 is operated, it transmits a fire alarm signal to the disaster prevention receiving panel 12 via a pair of signal wires (signal line and common line) corresponding to the transmitter 16, which are included in the low-voltage signal line. When the pump starter 17 is operated, it transmits a pump start signal to the disaster prevention receiving panel 12 via a pair of signal wires (signal line and common line) corresponding to the pump starter 17, which are included in the low-voltage signal line. The pump starter 17 includes a pump starter and a pump starter interlocking device.

[0065] The disaster prevention receiving panel 12 is equipped with a monitoring and control unit 20, which monitors the reception of fire alarm signals from the transmitter 16. When it receives a fire alarm signal, it performs a fire alarm operation, outputting a fire alarm from the disaster prevention receiving panel 12, and also performs a predetermined operation to control other emergency equipment in conjunction with it, such as displaying a message prohibiting entry into the tunnel on an alarm display board installed at the tunnel entrance.

[0066] Furthermore, the monitoring control unit 20 monitors for the reception of pump start signals from the pump start unit 17. When it receives a pump start signal, it controls the start of the fire pump equipment and performs a pump start operation to supply fire extinguishing water to the fire hydrant device 10.

[0067] [b. Configuration of fire hydrant system] Next, the configuration of the fire hydrant system will be explained. In this explanation, please refer to Figure 2, which shows the fire hydrant system from the front; Figure 3, which shows the fire hydrant system from the front with the fire hydrant door, maintenance door, and fire extinguisher door open; and Figure 4, which shows a partial cross-section of the fire hydrant system viewed from above. Note that the cross-section shown in Figure 4 is the cross-section along the cutting line aa in Figure 2.

[0068] In the explanation of Figures 2 to 4, the X, Y, and Z directions are mutually orthogonal. Specifically, when viewing the front of the fire hydrant device with various doors, the X direction is the left-right direction, the Y direction is the up-down direction, and the Z direction is the front-back direction. Furthermore, in the X direction, the +X side is the right side and the -X side is the left side; in the Y direction, the +Y side is the upper side and the -Y side is the lower side; and in the Z direction, the +Z side is the front side and the -Z side is the rear side. The same applies to Figures 6 and 11.

[0069] As shown in Figure 2, the fire hydrant device 10 has a structure divided into a housing 26a which houses the fire hydrant and a housing 26b which houses the fire extinguisher, and decorative frames 28a and 28b are attached to the front of the housings 26a and 26b.

[0070] The door opening of the decorative frame 28a of the housing 26a is divided into upper and lower sections. A forward-tilting fire hydrant door 32 that opens downward by hinge 32a is provided on the lower side of the door opening, and a maintenance door 33 that opens upward by hinge 33a is provided on the upper side of the door opening. Inside this is the fire hydrant storage section, which houses the fire hose and valves including the fire hydrant valve.

[0071] On the left side of the door opening of the decorative frame 28b of the housing 26b, a fire extinguisher door 40 is provided, which opens horizontally to the left by a hinge 40a. Inside, in the fire extinguisher storage compartment, for example, two fire extinguishers 44 are stored. In addition, a viewing window 42 is provided in the fire extinguisher door 40 corresponding to the position of the stored fire extinguishers 44, allowing the presence or absence of fire extinguishers 44 to be confirmed from the outside.

[0072] On the right side of the door opening of the decorative frame 28b, there is an electrical door 34 that opens horizontally to the right by a hinge 34a. The electrical door 34 is equipped with terminal equipment such as a red indicator light 36, a transmitter 16, and an answering lamp 38, and a telephone jack 35 is provided inside the housing of the electrical door 34 as shown in Figure 3.

[0073] The red indicator lights 36 are normally kept lit at all times, allowing the location of the fire hydrant system 10 to be identified from a distance. Furthermore, when a pump activation signal is transmitted from the pump activation device 18 or the pump activation interlocking device 60 to the disaster prevention receiving panel, the disaster prevention receiving panel controls all the red indicator lights 36 of the fire hydrant systems 10 to flash simultaneously.

[0074] The transmitter 16 transmits a fire alarm signal to the disaster prevention receiving panel when operated. It comprises a wireless switch device and a receiver. When the transmitter 16 is operated, the wireless switch device generates electricity and uses the generated power to operate and transmit a predetermined wireless signal. The receiver, located elsewhere, receives the predetermined wireless signal, and the receiver then transmits the fire alarm signal to the disaster prevention receiving panel.

[0075] The response lamp 38 lights up in response to a response signal transmitted from the disaster prevention receiving panel when the disaster prevention receiving panel receives a fire alarm signal. The response lamp 38 is also connected to the disaster prevention receiving panel via a response switch contact of the receiving unit, which operates in conjunction with the operation of the transmitter 16, and is designed to light up only when the transmitter 16 is operated.

[0076] As shown in Figure 3, the right side of the fire hydrant storage area within the housing 26a is a valve storage area. A water supply pipe 46, which is drawn in from the outside, is connected to a water tap 48 and branches off to a fire hydrant valve 50 and an automatic pressure regulating valve 52, to which a fire hose 62 is connected. The left side of the fire hydrant storage area within the housing 26a is a hose storage area. A hose storage frame 64 is provided in the hose storage area, and the fire hose 62, which is drawn in from below, is stored by being wound inward in a clockwise or counterclockwise direction. A water discharge nozzle 68 is attached to the end of the fire hose 62, which is pulled out through a hose outlet 65 installed on the back side of the fire hydrant door 32, and the water discharge nozzle 68 is detachably held in a nozzle holder 66.

[0077] The fire hydrant valve 50 is opened and closed by a fire hydrant valve opening / closing lever 56 located in an operation box 54 on the back side of the fire hydrant door 32. When the fire hydrant valve opening / closing lever 56 is opened, this movement is transmitted to an interlocking box 58 via a wire link, and the fire hydrant valve 50 is opened and closed remotely.

[0078] The interlocking box 58 is equipped with a pump activation interlocking device 60 that detects the open position of the fire hydrant valve opening / closing lever 56. The pump activation interlocking device 60 includes a wireless switch device and a receiver. When the pump activation interlocking device 60 detects the lever open position, the wireless switch device is pressed to generate electricity, which operates and transmits a predetermined wireless signal. The receiver, located at another location, receives the predetermined wireless signal, and the receiver transmits the pump activation signal to the disaster prevention receiver panel. The disaster prevention receiver panel controls the activation of the fire pump equipment and also controls the simultaneous flashing of the red indicator lights 36 installed on all fire hydrant devices 10.

[0079] Furthermore, a pump activating device 18 used by the fire brigade is located inside the maintenance door 33. The pump activating device 18 is equipped with a wireless switch device and a receiver. When the pump activating device 18 is operated, the wireless switch device generates electricity and operates using the generated power to transmit a predetermined wireless signal. The receiver, located elsewhere, receives the predetermined wireless signal and transmits the pump activation signal to the disaster prevention receiver panel. The disaster prevention receiver panel controls the activation of the fire pump equipment and also controls the simultaneous flashing of the red indicator lights 36 installed on all fire hydrant devices 10.

[0080] Furthermore, the receiving unit has switch contacts connected in parallel that operate when a predetermined signal is received from the wireless switch device of the pump starting device 18 and the wireless switch device of the pump starting interlocking device 60. When a predetermined signal is received from either the wireless switch device of the pump starting device 18 or the pump starting interlocking device 60, the receiving unit transmits a pump starting signal to the disaster prevention receiving panel. Furthermore, as shown in Figures 3 and 4, a first terminal box 45a and a second terminal box 45b, both equipped with terminal blocks, are located on the inner rear of the housing 26b behind the fire extinguisher door 40. The terminal block of the first terminal box 45a is connected to a high-voltage signal line from the disaster prevention receiving panel, as well as internal wiring for the red indicator light 36. The first terminal box 45a also contains a receiving unit common to the transmitter 16, pump starter 18, and pump starter interlocking device 60, and the receiving unit operates on commercial AC power supplied by the high-voltage signal line from the disaster prevention receiving panel.

[0081] Furthermore, the terminal block of the second terminal box 45b is connected to the low-voltage signal line from the disaster prevention receiving panel, as well as to the transmitter 16, the pump starter 18, the receiving section of the pump starter interlocking device 60, the response lamp 38, and the telephone jack 35.

[0082] [c. First embodiment of the wiring circuit section for terminal equipment] Next, a first embodiment of the wiring circuit section for terminal equipment of a fire hydrant system will be described.

[0083] (c1. Configuration of the wiring circuit section) First, the configuration of the wiring circuit section will be explained. In this explanation, refer to Figure 5, which is a wiring circuit diagram showing the first embodiment of the wiring circuit section.

[0084] As mentioned above, the terminal equipment of the fire hydrant system includes a red indicator light 36, a transmitter 16, a response lamp 38, and a telephone jack 35 on the electrical door 34, and a pump starter 18 and a pump starter interlocking device 60 are installed inside the housing 26a.

[0085] Furthermore, each of the transmitter 16, pump starter 18, and pump starter interlocking device 60 is provided with a wireless switch device 70. The wireless switch device 70 generates electricity when operated and uses the generated power to operate and transmit a predetermined wireless signal.

[0086] Inside the first terminal box 45a, a first terminal block 29 and a receiving unit 72 are provided. The number of terminals on the first terminal block 29 is arbitrary, but in this embodiment, four terminals are used. The power supply for the red indicator light 36 and the receiving unit 72 is connected to terminals PU and PV by internal wiring, and AC power wiring PU and PV, which are included in the high-voltage signal line drawn from the disaster prevention receiving panel 12, is also connected to them. For example, AC power 100V is supplied from the disaster prevention receiving panel 12 to the red indicator light 36 and the receiving unit 72 via AC power wiring PU and PV, causing the red indicator light 36 to light up and the receiving unit 72 to operate.

[0087] The receiving unit 72 receives a predetermined radio signal from the radio switch device 70 provided on each of the transmitter 16, pump starter 18, and pump starter interlocking device 60, and turns on (closes) the transmitter switch contact, first pump starter switch contact, second pump starter switch contact, and response switch contact provided on the receiving unit 72 in accordance with the received radio signal.

[0088] The second terminal box 45b houses the second terminal block 30. The number of terminals on the second terminal block 30 is arbitrary, but in this embodiment, 14 terminals are used. Similar to the conventional example in Figure 14, the telephone line T, telephone common line TC, response line MF, response common line FC, manual notification line M, manual notification common line (shared with the pump start common line) MC, and pump start line HA, which are included in the low-voltage signal line drawn from the disaster prevention receiver panel 12, are connected to the corresponding terminals on the second terminal block 30.

[0089] Here, the manual notification line M and the manual notification common line MC are connected via the transmitter switch contacts of the receiving unit 72. The pump start line HA and the manual notification common line MC are connected via the first pump start switch contacts and the second pump start switch contacts of the receiving unit 72, which are connected in parallel. The response switch contact of the receiving unit 72 is a switch contact that turns on in conjunction with the turn on of the transmitter switch contact of the receiving unit 72, and the response line MF and the response common line FC are connected via the response switch contact of the receiving unit 72.

[0090] The telephone jack 35 is connected to the corresponding terminal of the second terminal block 30 by an internal telephone line, similar to the conventional example in Figure 14. However, the internal wiring to the transmitter 16, pump starter 18, pump starter interlocking device 60, and response lamp 38 differs from the conventional example in Figure 14.

[0091] The internal wiring for the transmitter 16, pump starter 18, and pump starter interlocking device 60 connects the second terminal block 30 and the receiver 72, and the terminals MC, M, MC, and HA of the second terminal block 30 and the receiver 72 that have the same designation are connected by internal wiring.

[0092] The internal wiring for the response lamp 38 connects terminal MF of the second terminal block 30 to terminal MF of the receiving unit 72, terminal FC of the receiving unit 72 to one terminal of the response lamp 38, and the other terminal of the response lamp 38 to terminal FC of the second terminal block 30.

[0093] In this way, by configuring the wiring circuit section for the terminal equipment of the fire hydrant system, there is no internal wiring to the wireless switch device 70 of the transmitter 16, pump starter 18, and pump starter interlocking device 60, which are located near the electrical door 34, which is susceptible to water leakage, and the piping to which fire extinguishing water is supplied.

[0094] Furthermore, the internal wiring for the transmitter 16, pump starter 18, and pump starter interlocking device 60, which play particularly important roles in the event of a fire, is located between the receiver 72 housed in the first terminal box 45a and the second terminal block 30 housed in the second terminal box 45b. The wiring length is short, and both the first terminal box 45a and the second terminal box 45b are waterproof. The location where the first terminal box 45a and the second terminal box 45b are positioned is on the rear side of the housing 26b, without a door structure, with no nearby piping, and is therefore unaffected by water leakage.

[0095] Therefore, the first embodiment of the wiring circuit section makes it possible to significantly reduce problems such as disconnection or short circuits of internal wiring due to aging, compared to the conventional example in Figure 14.

[0096] Furthermore, for the manual notification line M, pump start line HA, and manual notification common line MC drawn from the disaster prevention receiving panel 12, a termination resistor R1 is connected between terminal M and terminal MC of the second terminal block 30, and a termination resistor R2 is connected between terminal HA and terminal MC, similar to the conventional example in Figure 14, thereby enabling wire breakage monitoring.

[0097] (c2. Transmitter) Next, the transmitter will be described. In this description, please refer to Figure 6, which shows the location of the transmitter's wireless switch device.

[0098] As shown in Figure 6, the case body 74 of the transmitter 16 is attached and fixed to a mounting plate 75 located on the back side of the electrical door 34, and the case body 74 contains a wireless switch device 70 equipped with a press operation part 76.

[0099] The case body 74 is, for example, a cylindrical body with an opening on the front side, and a flange portion 7410 formed at one end of the front cylindrical body is attached and fixed to the mounting plate 75 by screws 7412 and nuts 7414.

[0100] A pressable operating section 76 of the wireless switch device 70 is positioned on the front side of the case body 74 so as to be pressable toward the rear. The pressable operating section 76 protrudes forward from the case body 74 and extends forward from the mounting plate 75 through a through hole formed in the mounting plate 75. A cap-shaped waterproof cover 78 made of soft synthetic resin or rubber is provided for the pressable operating section 76 that extends forward from the mounting plate 75. The waterproof cover 78 is attached and fixed to the mounting plate 75 at the same time that the flange portion 7410 of the case body 74 is fixed to the mounting plate 75 with screws 7412 and nuts 7414.

[0101] A protective plate storage section 80 is provided between the electrical door 34 and the mounting plate 75, corresponding to the position of the press operation section 76 of the wireless switch device 70. A protective plate 82 is held on the surface side of the electrical door 34, corresponding to the position of the protective plate storage section 80, so that it can be detached inward (to the rear) by a press operation from the front.

[0102] When operating the transmitter 16, the protective plate 82 is pressed in. When the protective plate 82 is pressed in, it detaches from the surface of the electrical door 34. By pressing the push operation part 76 located on the back side of the electrical door 34 via the detached protective plate 82, the wireless switch device 70 generates electricity and operates using the generated power to transmit a predetermined wireless signal. Since the pressed-in protective plate 82 remains detached on the back side of the electrical door 34, during restoration after a fire has been extinguished, the electrical door 34 must be opened, and the protective plate 82 that has detached to the back side of the electrical door 34 must be reattached to the front side of the electrical door 34 and held in place.

[0103] (c3. Wireless switch device) Next, the wireless switch device will be described. In this description, refer to Figure 7, which shows the functional configuration of the wireless switch device of the first embodiment.

[0104] As mentioned above, the wireless switch device 70 operates using power generated by its own power generation and transmits a predetermined wireless signal. Its function and configuration are arbitrary, but for example, as shown in Figure 7, it includes a push button 84, a power generation mechanism 86, a power generation unit 88, a rectifier and smoothing circuit unit 90, a constant voltage circuit unit 92, a signal processing unit 94, and a signal transmission unit 96 connected to an antenna 98.

[0105] The push button 84 is the part that is pressed, and its structure and type are arbitrary, but for example, in the transmitter 16 shown in Figure 6, it corresponds to the push operation part 76 that is pressed by pressing the protective plate 82.

[0106] The power generation mechanism 86 operates the power generation unit 88 when the push button 84 is pressed, causing the power generation unit 88 to perform self-generation, for example, by electromagnetic induction. More specifically, in some cases, the power generation unit 88 is provided with a permanent magnet, which is a magnetic field generating unit, that is movable relative to a fixedly positioned electromagnetic induction coil. When the push button 84 is pressed, the permanent magnet moves in a predetermined direction relative to the fixedly positioned electromagnetic induction coil, changing the magnetic flux passing through the electromagnetic induction coil, thereby generating electricity and outputting generated power.

[0107] The rectifier and smoothing circuit section 90 includes, for example, a diode bridge that constitutes a full-wave rectifier circuit, and rectifies the generated voltage output by the power generation section 88. The constant voltage circuit section 92 converts the generated voltage rectified by the rectifier and smoothing circuit section 90 into a predetermined constant voltage power supply and supplies it to the signal processing section 94 and the transmission section 96 to operate them.

[0108] The signal processing unit 94 outputs a predetermined signal when it operates after receiving power from the constant voltage circuit unit 92. Its configuration and functions are arbitrary, but for example, a computer circuit equipped with a CPU, memory, and various input / output ports, such as a microprocessor circuit, can be used. The signal format of the signal output by the signal processing unit 94 is also arbitrary, but in this embodiment, wireless switch devices 70 are provided on the transmitter 16, pump starter 18, and pump starter interlocking device 60. In order for the receiver 72 to identify the wireless switch device 70 that transmitted the signal, for example, the signal includes a unique switch ID for each wireless switch device 70.

[0109] The transmitting unit 96 modulates the signal (digital signal) output from the signal processing unit 94 into a predetermined radio signal (signal radio wave) and transmits it. Its configuration and function are arbitrary, but for example, some use a predetermined channel frequency in the 920MHz band, which is a low-power communication band, and transmit a radio signal with a transmission power of 1mW or less using FSK modulation.

[0110] The wireless switch device 70 is provided in the transmitter 16, the pump starter 18, and the pump starter interlocking device 60. Although they all have basically the same configuration, they differ in that their switch IDs are different.

[0111] Furthermore, the push button 84 of the wireless switch device 70 provided on the pump starting device 18 has a structure in which an operating knob (operating button) is positioned at the front end of the pressing operation part 76 shown in Figure 6. In addition, the push button 84 of the wireless switch device 70 provided on the pump interlocking starting device 60 has a mechanism structure that receives rotational force transmitted to the interlocking box 58 by a wire link when the fire hydrant valve opening / closing lever 56 shown in Figure 3 is opened, and presses the pressing operation part 76 shown in Figure 6.

[0112] (c4. Receiving section) Next, the receiving unit will be described. For this description, please refer to Figure 8, which shows the functional configuration of the receiving unit.

[0113] As shown in Figure 8, the receiving unit 72 includes a receiving circuit unit 100 to which the antenna 101 is connected, a receiving control unit 102, a power supply unit 104, a switch contact 106 for the transmitter, a switch contact 108 for response, a switch contact 110 for starting the first pump, and a switch contact 112 for starting the second pump.

[0114] The power supply unit 104 is supplied with AC 100V via the first terminal block 29, and the AC 100V is converted into a DC power supply of a predetermined voltage and supplied to each component of the receiving unit 72, thereby operating the receiving unit 72.

[0115] The receiving circuit unit 100 receives and demodulates the wireless signals transmitted from the wireless switch devices 70 installed in each of the transmitter 16, pump starter 18, and pump starter interlocking device 60, which are received by the antenna 101, and outputs the received signal containing the switch ID to the receiving control unit 102.

[0116] The configuration and functions of the receiving control unit 102 are arbitrary, but for example, a computer circuit equipped with a CPU, memory, and various input / output ports, such as a microprocessor circuit, can be used. The receiving control unit 102 determines from the switch ID included in the received signal input from the receiving circuit unit 100 whether the source is the transmitter 16, the pump starter 18, or the wireless switch device 70 installed on the pump starter interlocking device 60. If it is determined to be the wireless switch device 70 of the transmitter 16, it turns on the transmitter switch contact 106 and the response switch contact 108. If it is determined to be the wireless switch device 70 of the pump starter 18, it turns on the first pump starter switch contact 110. If it is determined to be the wireless switch device 70 of the pump starter interlocking device 60, it turns on the second pump starter switch contact 112.

[0117] Furthermore, since the wireless switch device 70 operates using self-generated power, the time it can transmit wireless signals (operating time) is limited, and the receiving unit 72 may not continuously receive wireless signals from the target wireless switch device 70 while it wants to turn on various switch contacts. For this reason, the receiving control unit 102 turns on the corresponding switch contacts on the condition that it has received a wireless signal from the wireless switch device 70, and after turning them on, it maintains that on state regardless of whether or not it has received a wireless signal. Then, when restoring after a fire has been extinguished, for example, by receiving a restoration signal from the disaster prevention receiving panel 12, the switch contacts that are in the on state are turned off. For this reason, although not shown in the diagram, a restoration signal line for the restoration signal is routed between the disaster prevention receiving panel 12 and the receiving unit 72.

[0118] The transmitter switch contact 106 is connected to the manual notification line M and the manual notification common line MC via terminals M and MC of the second terminal block 30 shown in Figure 5.

[0119] Furthermore, the response switch contact 108 is a switch contact that turns on in conjunction with the ON state of the transmitter switch contact 140. It is connected to the response line MF and the response common line FC via the response lamp 38 and terminals MF and FC of the second terminal block 30 shown in Figure 5. It turns on when the transmitter 16 is operated, enabling the transmission of a response signal between the response signal line MF and the response common line MC, thereby lighting up the response lamp 38.

[0120] Furthermore, the first pump start switch contact 110 and the second pump start switch contact 112 are connected in parallel and are connected to the pump start line HA and the manual notification common line MC via terminals HA and MC of the second terminal block 30 shown in Figure 5.

[0121] Here, the first terminal box 45a has, for example, a glass window on a lid that can be opened and closed, allowing the interior to be viewed. Wireless signals transmitted from the wireless switch devices 70 provided on each of the transmitter 16, pump starter 18, and pump starter interlocking device 60 propagate through the glass window and can be received by the internal receiver 72. In addition, to suppress attenuation of the wireless signal, the antenna 101 of the receiver 72 may be provided outside the first terminal box 45a.

[0122] (c5. Operation of the disaster prevention system when terminal equipment is operated) Next, we will explain the operation of the disaster prevention system when terminal equipment is operated. In the event of a fire caused by a vehicle accident or the like in the tunnel, road users will operate the transmitter 16 installed on the fire hydrant device 10 to report the fire. When a road user operates the transmitter 16, the wireless switch device 70 generates power and operates, transmitting a predetermined wireless signal including a switch ID that indicates the transmitter 16.

[0123] The wireless signal transmitted from the wireless switch device 70 of the transmitter 16 is received by the receiver 72 housed in the first terminal block 45a, and the receiver 72 turns on the transmitter switch contact 106 and the response switch contact 108. When the transmitter switch contact 106 is turned on, a predetermined DC voltage is applied between the manual notification line M and the manual notification common line MC, causing current to flow and transmitting a fire notification signal to the disaster prevention receiver panel 12. Upon receiving the fire notification signal, the disaster prevention receiver panel 12 performs a fire alarm operation.

[0124] Furthermore, upon receiving a fire alarm signal, the disaster prevention receiving panel 12 applies a predetermined DC voltage as a response signal to the response line MF and the response common line FC, thereby causing a current to flow and illuminating the response lamp 26.

[0125] Next, if road users are to carry out firefighting activities at the scene of a fire, they will open the fire hydrant door 32, take out the water nozzle 68 and pull out the fire hose 62, operate the fire hydrant valve opening / closing lever 56 to the open position to open the fire hydrant valve 50, and then discharge firefighting water from the water nozzle 68 towards the source of the fire to carry out firefighting activities.

[0126] When the fire hydrant valve opening / closing lever 56 is operated to the open position, the wireless switch device 70 installed on the pump start-up interlocking device 60 is pressed, generating electricity and operating to transmit a predetermined wireless signal including a switch ID indicating the pump start-up interlocking device 60.

[0127] The wireless signal transmitted from the wireless switch device 70 of the pump start interlocking device 60 is received by the receiving unit 72 housed in the first terminal block 45a, and the receiving unit 72 turns on the second pump start switch contact 112. When the second pump start switch contact 112 is turned on, a predetermined DC voltage is applied between the pump start line HA and the manual notification common line MC, causing current to flow and transmitting a pump start signal to the disaster prevention receiving panel 12. Upon receiving the pump start signal, the disaster prevention receiving panel 12 performs the pump start operation.

[0128] Furthermore, when the fire brigade receives water from the fire hydrant system 10 to carry out firefighting activities, they open the fire hydrant door 32 and the maintenance door 33, connect the fire hose to the water tap 48, and operate the pump starter 18.

[0129] When the pump starter 18 is operated, the wireless switch device 70 installed on the pump starter 18 is pressed, generating electricity and operating to transmit a predetermined wireless signal including a switch ID indicating the pump starter 18.

[0130] The wireless signal transmitted from the wireless switch device 70 of the pump starter 18 is received by the receiver 72 housed in the first terminal block 45a, and the receiver 72 turns on the first pump starter switch contact 110. When the first pump starter switch contact 110 is turned on, a predetermined DC voltage is applied between the pump starter line HA and the manual notification common line MC, causing current to flow and transmitting a pump starter signal to the disaster prevention receiver panel 12. Upon receiving the pump starter signal, the disaster prevention receiver panel 12 performs the pump starter operation.

[0131] Furthermore, the wireless signals transmitted from the wireless switch device 70 of the pump starter 18 and the pump starter interlocking device 60 will pass through the partition wall 26c that separates the housings 26a and 26b shown in Figure 4. However, the wireless signals will pass through the wire passage openings in the partition wall 26c, and will be propagated to the receiving unit 72 without being attenuated by the partition wall 26c.

[0132] [d. Second embodiment of the wiring circuit section for terminal equipment] Next, a second embodiment of the wiring circuit section for the terminal equipment of the fire hydrant system will be described. In this description, refer to Figure 9, which is a wiring circuit diagram showing the second embodiment of the wiring circuit section.

[0133] As shown in Figure 9, the second embodiment of the wiring circuit section is characterized in that the receiving unit 72 is housed in the second terminal box 45b instead of the first terminal box 45a. Because the receiving unit 72 is housed in the second terminal box 45b, a DC power line R drawn from the disaster prevention receiving panel 12 to supply power to the receiving unit 72 is connected to the second terminal block 30, and the power supply unit 104 of the receiving unit 72 and the second terminal block 30 are connected so that the receiving unit 72 operates by a predetermined DC power supply voltage applied between the DC power line R and the manual notification common line MC. The other configurations are basically the same as those of the first embodiment of the wiring circuit section shown in Figure 5, so the same reference numerals are used and their descriptions are omitted.

[0134] Therefore, in the second embodiment of the wiring circuit section, the second terminal block 30 and the receiving unit 72 are housed in a second terminal box 45b equipped with a waterproof structure. The internal wiring for the transmitter 16, pump starter 18, and pump starter interlocking device 60, which play particularly important roles in the event of a fire, is completed within the second terminal box 45b. This makes it possible to further reduce problems such as disconnection or short circuits of internal wiring due to aging compared to the first embodiment.

[0135] Furthermore, since the receiving unit 72 is housed in the second terminal box 45b, the length of the internal wiring to the receiving unit 72 is further shortened, making it possible to further reduce problems such as breakage or short circuits in the internal wiring due to aging compared to the first embodiment.

[0136] [e. Third embodiment of the wiring circuit section for terminal equipment] Next, a third embodiment of the wiring circuit section for terminal equipment of the fire hydrant system will be described. In this description, refer to Figure 10, which is a wiring circuit diagram showing the third embodiment of the wiring circuit section; Figure 11, which shows the location of the transmitter's wireless switch device and interlocking switch; and Figure 12, which shows the functional configuration of the wireless switch device of the third embodiment.

[0137] As shown in Figure 10, the third embodiment of the wiring circuit is characterized in that each of the transmitter 16, pump starter 18, and pump starter interlocking device 60 is further provided with interlocking switches 114, 116, and 118.

[0138] Taking the transmitter 16 as an example, as shown in Figure 11, a drive shaft 7610 protrudes from the rear of the wireless switch device 70 housed in the case body 74 of the transmitter 16. This drive shaft 7610 is pushed out (moves) in conjunction with the forward-protruding press operation part 76 being pressed. An interlocking switch 114 is positioned inside the bottom cover 122 of the case body 74, opposite the drive shaft 7610. The interlocking switch 114 is a non-locking switch that turns on when the switch knob 120 is pressed and remains in the on state, and returns to the off state when the switch knob 120 is pressed again while it is in the on state.

[0139] The lead terminals 124 of the interlocking switch 114 are brought out to the outside of the case body 74 through the bottom cover 122, and a terminal waterproof cover 126 made of soft synthetic resin or rubber is attached to the bottom cover 122 to cover the lead terminals 124. The rest of the structure of the transmitter 16 is basically the same as that of the transmitter 16 of the first embodiment shown in Figure 5, so the same reference numerals are used and their explanation is omitted.

[0140] Furthermore, as shown in the functional configuration of the wireless switch device 70 in Figure 12, the interlocking switch 114 is turned on via a power generation mechanism 86 that is activated when the push button 84 (press operation part 76) is pressed. In the transmitter 16 shown in Figure 11, a drive shaft part 7610 is added to the power generation mechanism 86. The other functional configurations of the wireless switch device 70 are basically the same as those of the wireless switch device 70 of the first embodiment shown in Figure 7, so the same reference numerals are used and their explanation is omitted.

[0141] Furthermore, taking the interlocking switch 114 of the transmitter 16 as an example, as shown in Figure 10, the interlocking switch 114 is connected to terminals MC and M of the second terminal block 30 by internal wiring, and is connected to the manual notification line M and manual notification common line MC drawn out from the disaster prevention receiving panel 12 via the second terminal block 30. The wiring connection to the interlocking switch 114 is the same as the wiring connection to the switch provided in the conventional transmitter 16 shown in Figure 14.

[0142] In addition, in the third embodiment, the transmitter 16 is equipped with a wireless switch device 70, and the receiving unit 72 that receives the wireless signal from the wireless switch device 70 is housed in the first terminal box 45a, similar to the first embodiment shown in Figure 8. The transmitter switch contacts of the receiving unit 72 are connected to terminals M and MC of the second terminal block 30 by internal wiring. Therefore, the interlocking switch 114 of the transmitter 16 is connected in parallel with the transmitter switch contacts of the receiving unit 72 between the manual notification line M and the manual notification common line MC.

[0143] When the transmitter 16 is operated, a wireless signal is transmitted from the wireless switch device 70 to the receiver 72, which turns on the transmitter switch contact 106 of the receiver 72, and also turns on the switch contact of the interlocking switch 114 of the transmitter 16, thereby transmitting a fire alarm signal to the disaster prevention receiver panel 12.

[0144] Therefore, even if a malfunction occurs in either the wireless switch device 70 (or the receiver unit 72) or the interlocking switch 114, it is possible to transmit a fire alarm signal to the disaster prevention receiver panel 12 using the other device that is not malfunctioning. Furthermore, the transmitter 16 of the third embodiment is equipped with a fail-safe function, which ensures even higher reliability.

[0145] Although the explanation used the transmitter 16 as an example, the pump starter 18 and the pump starter interlocking device 60 are basically the same as the transmitter 16. Even if a malfunction occurs in either the wireless switch device 70 (or receiver 72) or the interlocking switches 116 and 118, it is possible to transmit the pump start signal to the disaster prevention receiver panel 12 using the other device that is not malfunctioning. The pump starter 18 and pump starter interlocking device 60 of the third embodiment are equipped with a fail-safe function, which further enhances reliability.

[0146] [f. Fourth embodiment of the wiring circuit section for terminal equipment] Next, a fourth embodiment of the wiring circuit section for the terminal equipment of the fire hydrant system will be described. In this description, refer to Figure 13, which is a wiring circuit diagram showing the fourth embodiment of the wiring circuit section.

[0147] As shown in Figure 13, the fourth embodiment of the wiring circuit is characterized in that the transmitter 16, pump starter 18, and pump starter interlocking device 60 are each further equipped with interlocking switches 114, 116, and 118, and the receiver 72 is housed in the second terminal box 45b instead of the first terminal box 45a. In other words, the fourth embodiment is an embodiment that combines the second and third embodiments.

[0148] Since the receiving unit 72 is provided in the second terminal box 45b, a DC power line R drawn from the disaster prevention receiving panel 12 is connected to the second terminal block 30 to supply power to the receiving unit 72. The power supply unit 104 of the receiving unit 72 and the second terminal block 30 are connected so that the receiving unit 72 operates by a predetermined DC power supply voltage applied between the DC power line R and the manual notification common line MC. The other configurations are basically the same as the third embodiment of the wiring circuit shown in Figure 10, so the same reference numerals are used and their explanations are omitted.

[0149] Therefore, in the fourth embodiment of the wiring circuit section, similar to the second embodiment, the second terminal block 30 and the receiving unit 72 are housed in a second terminal box 45b equipped with a waterproof structure. The internal wiring for the transmitter 16, pump starter 18, and pump starter interlocking device 60, which play particularly important roles in the event of a fire, is completed within the second terminal box 45b. Furthermore, the length of the wiring is even shorter, which further reduces problems such as disconnection or short circuits of the internal wiring due to aging.

[0150] Furthermore, in the fourth embodiment of the wiring circuit section, similar to the third embodiment, even if any malfunction occurs in either the wireless switch device 70 (or receiver 72) or the interlocking switches 114, 116, or 118, it is possible to transmit a fire alarm signal or pump start signal to the disaster prevention receiver panel 12 using the other switch that is not malfunctioning. The transmitter 16, pump start device 18, and pump start interlocking device 60 are equipped with fail-safe functions, thereby ensuring even higher reliability.

[0151] [g. Variations of the present invention] Modifications of the disaster prevention system according to the present invention will be described in more detail. In addition to the embodiments described above, the disaster prevention system of the present invention includes the following modifications.

[0152] (Manual notification device) In the above embodiment, a fire hydrant system was used as an example of a disaster prevention device, but any device that functions as a disaster prevention device can be used, for example, a manual notification device. The manual notification device is equipped with a transmitter, and, similar to the above embodiment, a wireless switch device and a receiver are provided on the transmitter, with the wireless switch device being placed in a position where it can be operated and the receiver being placed in a terminal box inside the device.

[0153] (Wireless switch device) In the above embodiment, a wireless switch device and a receiver are provided for the transmitter, pump starter, and pump starter interlocking device. However, the target terminal equipment is not limited to these terminal equipment, and other terminal equipment that may be affected by water leakage due to the structure of the disaster prevention device may also be targeted.

[0154] (Receiving unit) In the above embodiment, a common receiving unit was provided for the transmitter, pump starter, and pump start interlocking unit, but a receiving unit may be provided for each terminal device. Also, in the above embodiment, the receiving unit turns on different switch contacts depending on whether it receives a wireless signal from the wireless switch device of the pump starter or from the wireless switch device of the pump start interlocking unit, but in either case, the pump start signal will be transmitted to the pump start line HA and the manual notification common line MC, so the switch contacts of the pump starter and the pump start interlocking unit may be made common switch contacts.

[0155] (Internal wiring disconnection monitoring) In the above embodiment, disconnection monitoring of the internal wiring between the receiving unit and the second terminal block is not performed, but disconnection monitoring of the internal wiring between the receiving unit and the second terminal block may be performed. In this case, the termination resistor R1 provided between terminals M and MC of the second terminal block should be provided between terminals M and MC of the receiving unit, and the termination resistor R2 provided between terminals HA and MC of the second terminal block should be provided between terminals HA and MC of the receiving unit.

[0156] Furthermore, in the third and fourth embodiments described above, the internal wiring of the interlocking switches and the second terminal block may also be monitored for disconnections. In this case, a termination resistor can be added between the switch terminals of each interlocking switch.

[0157] (Terminal equipment equipped with an interlocking switch) In the third and fourth embodiments described above, the interlocking switch and the internal wiring connected to the interlocking switch are located on the front side of the fire hydrant device housing and are therefore susceptible to water leakage. For example, an elastic rubber partition can be provided between the interlocking switch 114 and the drive shaft 7610 as shown in Figure 11, so that even if water leaks from the interlocking switch 114 side, the leakage will not affect the wireless switch device side, thereby further increasing the reliability of the redundancy.

[0158] (others) Furthermore, the present invention includes appropriate modifications that do not impair its purpose and advantages, and is not limited by the numerical values ​​shown in the above embodiments. [Explanation of Symbols]

[0159] 10: Fire hydrant system 12: Disaster Prevention Receiving Panel 14: Signal Wiring 16,160: Transmitter 17: Pump starting unit 18,180: Pump starting device 20: Monitoring and Control Unit 26a, 26b: Enclosure 28a, 28b: Decorative frame 29: 1st terminal block 30: 2nd terminal block 32: Fire hydrant door 33: Maintenance Door 34: Electric Door 35,350: Phone jacking 36: Red indicator light 38,380: Response lamp 40: Fire extinguisher door 42: Peephole 44: Fire extinguisher 45a: 1st terminal box 45b: 2nd terminal box 46: Water supply piping 48: Water tap 50: Fire hydrant valve 52: Automatic pressure regulating valve 54: Control Box 56: Fire hydrant valve opening / closing lever 58: Interlocking Box 60,600: Pump start-up interlocking device 62: Fire hose 64: Hose storage frame 65: Hose outlet 66: Nozzle holder 68: Water spray nozzle 70: Wireless switching device 72: Receiving Unit 74: Case body 75: Mounting plate 76: Press operation part 7610: Drive shaft section 78: Waterproof cover 80: Protective panel storage compartment 82: Protective plate 84: Push button 86: Power generation mechanism 88: Power Generation Department 90: Rectifier smoothing circuit section 92: Constant Voltage Circuit Section 94: Signal Processing Unit 96: Transmitter 98,101: Antenna 100: Receiving circuit section 102: Receiving Control Unit 104: Power supply section 106: Transmitter switch contact 108: Response switch contact 110: Switch contact for starting the first pump 112: Switch contact for starting the second pump 114, 116, 118: Interlocking switches 120: Switch knob 122: Bottom lid 124: Lead terminals 126: Terminal waterproof cover 300:Terminal block

Claims

1. A disaster prevention system in which a disaster prevention device equipped with terminal equipment that transmits a predetermined signal when operated is connected to a signal line drawn from a higher-level device, The aforementioned terminal device is A wireless switch device is provided at a position to be operated, generates electricity through the operation, and operates using the generated power to transmit a predetermined wireless signal. A receiving unit connected between a predetermined pair of signal wires included in the signal line, which transmits the predetermined signal to the predetermined pair of signal wires when it receives the predetermined wireless signal from the wireless switch device, A disaster prevention system characterized by having the following features.

2. A disaster prevention system according to claim 1, Inside the aforementioned disaster prevention device, a terminal box with a waterproof structure is provided. Inside the terminal box, the receiving unit and the terminal block are provided. The disaster prevention system is characterized in that the receiving unit is connected to the predetermined pair of signal wiring via the terminal block.

3. A disaster prevention system according to claim 1, The terminal device has a first switch terminal and a second switch terminal, and includes an interlocking switch that, when operated, short-circuits the first switch terminal and the second switch terminal and transmits the predetermined signal to the predetermined pair of signal wires. The first switch terminal of the interlocking switch is connected to one of the predetermined pair of signal wires, and the second switch terminal of the interlocking switch is connected to the other of the predetermined pair of signal wires. A disaster prevention system characterized in that the interlocking switch and the receiving unit are connected in parallel between the predetermined pair of signal wirings.

4. A disaster prevention system according to claim 3, The wireless switch device and the interlocking switch are arranged inside the case body, which is a predetermined cylindrical shape, from one end to the other. The aforementioned wireless switch device, The wireless switch device has a pressing operation part provided on one end of the case body, which can be pressed from one end of the case body, A drive shaft portion is provided on the other end of the case body of the wireless switch device, and is pushed out toward the other end of the case body when the pressing operation portion is pressed, Equipped with, A disaster prevention system characterized in that, when the pressing operation part is pressed, the wireless switch device generates power and operates, and the interlocking switch is pressed by the drive shaft part pushed out to the other end of the case body, thereby short-circuiting the first switch terminal and the second switch terminal.

5. A disaster prevention system according to claim 1, The aforementioned higher-level device is a disaster prevention receiving panel that monitors abnormalities in a predetermined monitoring area. The aforementioned fire prevention device is a fire hydrant device installed in the predetermined monitoring area and equipped with a terminal box having a waterproof structure inside. The terminal device includes a transmitter that transmits a fire alarm signal as the predetermined signal when the operation is performed, and a pump start unit that transmits a pump start signal when the operation is performed. The wireless switch device is provided at each of the operating positions of the transmitter and the pump starter. Inside the terminal box, the receiving unit and the terminal block are provided. The receiving unit is When the transmitter receives the predetermined wireless signal from the wireless switch device, the fire alarm signal is transmitted to the predetermined pair of signal wiring corresponding to the transmitter. A disaster prevention system characterized in that, when a predetermined wireless signal is received from the wireless switch device of the pump starting unit, the pump starting signal is transmitted to a predetermined pair of signal wiring corresponding to the pump starting unit.

6. A disaster prevention system according to claim 5, The aforementioned fire hydrant device has a terminal box, A first terminal box is provided with a first terminal block to which the first line included in the signal line is connected, A second terminal box is provided, which has a second terminal block to which the second line included in the aforementioned signal line is connected, Equipped with, The second circuit includes the predetermined pair of signal wiring corresponding to the transmitter and the predetermined pair of signal wiring corresponding to the pump starter, The receiving unit is Provided in either the first terminal box or the second terminal box, A disaster prevention system characterized by operating when a predetermined power supply is supplied from the first circuit via the first terminal block.

7. A disaster prevention system according to claim 5, The aforementioned fire hydrant device has a terminal box, A first terminal box is provided with a first terminal block to which the first line included in the signal line is connected, A second terminal box is provided, which has a second terminal block to which the second line included in the aforementioned signal line is connected, Equipped with, The second circuit includes a predetermined pair of signal wiring corresponding to the transmitter and a predetermined pair of signal wiring corresponding to the pump starter, in addition to power wiring. The receiving unit is Provided in either the first terminal box or the second terminal box, A disaster prevention system characterized by operating when a predetermined power supply is supplied from the power wiring via the second terminal block.

8. A disaster prevention system according to claim 5, The pump starting unit is A pump starting device that is operated when receiving a supply of firefighting water from an external source, A pump start-up interlocking device that operates in conjunction with the opening operation of the fire hydrant valve's opening / closing control section, Equipped with, The wireless switch device is provided at each of the positions where the pump starting device and the pump starting interlocking device are operated. The disaster prevention system is characterized in that, when the receiving unit receives a predetermined wireless signal from the wireless switch device of the pump starting device or the pump starting interlocking device, it transmits the pump starting signal to a predetermined pair of signal wiring common to the pump starting device and the pump starting interlocking device.

9. A disaster prevention system according to claim 5, The fire hydrant device is equipped with a response lamp that indicates when the transmitter has been operated. The signal line includes the predetermined pair of signal wires corresponding to the response lamp, The response lamp is connected via the receiving unit and the terminal block between the predetermined pair of signal wires corresponding to the response lamp, The disaster prevention system is characterized in that, when the receiving unit receives a predetermined wireless signal from the wireless switch device of the transmitter, it enables the disaster prevention receiving panel to transmit a response signal to the response lamp via a predetermined pair of signal wiring corresponding to the response lamp.

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