JP3001493U - Emergency call device - Google Patents

Abstract

(57) [Summary] [Structure] The fire sensor SE ₁ , the gas leak sensor SE ₂ , and the CPU ₁ to which the emergency signals f ₂ , f ₃ and f ₄ from the emergency notification button SW ₁ are input, and the control is closed by the CPU. Station lines L ₁ and L ₂
A DC loop circuit 3 for forming a DC loop, a dial tone detection circuit 2 for detecting a dial tone f ₁ input from the station line when the DC loop circuit forms a DC loop in the station line, It is provided with a PB signal circuit 4 for transmitting a PB signal of a predetermined report destination, and an emergency message compiling circuit 6 for compiling an emergency message transmitted by the PB signal circuit to the report destination. [Effect] The dial tone is detected by the dial tone detection circuit before the outgoing call sequence starts. Therefore, the incoming call and outgoing call do not collide, the operation sequences of both are always executed normally, and the emergency message is reliably sent to the destination. it can.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to an emergency call device, and more particularly to an emergency call device that can make an emergency call when a dial tone is detected by a dial tone detection circuit.

[0002]

[Prior art]

As shown in FIG. 4, the conventional emergency notification device EQ ₁₁ is composed of a CPU 21, a comparator 22, a DC loop circuit 23, a PB signal circuit 24, and a line transformer 29. One of the primary coils 29b of the line transformer 29 is a local station. The line L ₁₂ and the other side are connected to a station line L ₁₁ (L ₁₁ is a main line and L ₁₂ is a double line) via a capacitor C ₂ .

Both ends of the secondary coil 29 a are connected to (−) and (+) of the comparator 22, respectively, and the output side of the comparator 22 is connected to the control input side of the CPU 21. The control output side of the CPU 21 is connected to the PB signal circuit 24 and the DC loop circuit 23, respectively, and the output side of the PB signal circuit 24 is connected to the secondary coil 29 a of the line transformer 29.

One of the DC loop circuits 23 is connected to the office line L _12, and the other is connected to the office line L ₁₁ via the closed loop 23a. A telephone TE ₁₁ provided with a handset 31 and a numeric keypad 32, a fire sensor SE ₁₁ , a gas leak sensor SE ₁₂ , and an emergency call button SW ₁₁ are provided outside the emergency call device EQ ₁₁ .

[0005] telephone TE ₁₁ is connected to the office line L _11, L _12, so that the wear in the receive calls via the office line L _11, L _12. The fire sensor SE ₁₁ , the gas leak sensor SE ₁₂ , and the emergency notification button SW ₁₁ are connected to the control input side of the CPU 21, respectively, and send emergency signals f ₁₂ , f ₁₃ , and f ₁₄ to the CPU 21.

[0006] Here, when there is an incoming call, inverted polarity of the office line L _11, L _12, calling signal 16Hz is sent to the emergency call device EQ ₁₁ from the station line L _11, L _12. Therefore, the comparator 22 operates with a call signal of 16 Hz, notifies the CPU 21 that there is an incoming call, and the CPU 21 detects the incoming call. During standby, for example, when the fire sensor SE ₁₁ operates and the emergency signal f ₁₂ is sent to the CPU 21, the CPU 21 sends a PB signal of a predetermined report destination from the PB signal circuit 24 to the office lines L ₁₁ , L. Send to ₁₂ .

When the emergency signals f ₁₂ , f ₁₃ and f ₁₄ are input to the CPU 21 when an incoming call is detected, the CPU 21 connects the station lines L ₁₁ and L ₁₂ once, and then the station lines L ₁₁ and L _12. Is disconnected and the P B signal is transmitted to the office lines L ₁₁ and L ₁₂ .

[0008]

[Problems to be solved by the device]

In such an emergency call device EQ ₁₁ , as shown in FIG. 5, at the point where the polarity is reversed, the call signal 16 Hz is transmitted from the station lines L ₁₁ and L ₁₂ to the emergency call device EQ ₁₁ for 1 second, and the rest is 2 seconds. The first 16 Hz is transmitted after the polarity is inverted, and the period is 0 to 2 seconds, which is disparate.

At the time of this incoming call, 16 Hz of the ringing signal cannot be detected, and when the emergency signal f ₁₂ is sent to the CPU 21 when the ringing signal is at rest, the PB signal circuit 24 outputs the PB signal of a predetermined destination at the time point. Is sent, and the incoming and outgoing call collide, and the operation sequence of both parties is confused.

[0010]

[The purpose of the device]

 The present invention has been made in view of the above-mentioned difficulties, and an object of the present invention is to provide an emergency notification device capable of surely selecting a predetermined report destination and promptly reporting an emergency.

[0011]

[Means for Solving the Problems]

 To achieve this object, the emergency call device of the present invention is closed by the control of the CPU and the CPU to which the emergency signal from the fire sensor, the gas leak sensor, and the emergency call button is input to form a DC loop on the station line. DC loop circuit, a dial tone detection circuit that detects a dial tone that is input from the office line when a direct current loop is formed in the office line by the DC loop circuit, and a PB signal that is a predetermined destination for the office line. It is provided with a PB signal circuit for sending a message, and an urgent message compiling circuit for compiling an emergency message sent by the PB signal circuit to a report destination.

In addition, the emergency call device of the present invention has a CPU to which an emergency signal from a fire sensor, a gas leak sensor, and an emergency call button is input, and a DC loop on the station line which is closed by the control of the CPU. A DC loop circuit to be formed, a dial tone detection circuit to detect a dial tone input from the office line when a DC loop is formed on the office line by the DC loop circuit, and to a predetermined call destination to the office line DP It is provided with a DP signal circuit for transmitting a signal and an emergency message compiling circuit for compiling an emergency message to be sent to a destination by the DP signal circuit.

[0013]

[Action]

 When the station line is a PB signal line, when an emergency signal from the fire sensor, gas leak sensor or emergency call button is sent to the CPU, the DC loop circuit operates under the control of the CPU and a DC loop is formed on the station line. It When the DC loop circuit forms a DC loop on the office line, the dial tone detection circuit detects the dial tone input from the office line.

When the dial tone is detected by the dial tone detection circuit, the PB signal circuit sends out a PB signal of a predetermined addressee to the office line, and the emergency message composed by the emergency message compiling circuit is sent to the addressee. Is sent. When the office line is a DP signal line, the PB signal becomes a DP signal.

[0015]

【Example】

Hereinafter, an embodiment of an emergency call device according to the present invention will be described in detail with reference to the drawings. As shown in FIG. 1, the emergency call device EQ ₁ according to the present invention receives a fire sensor SE ₁ , a gas leak sensor SE ₂ , and emergency signals f ₂ , f ₃ , f ₄ from an emergency call button SW _1. A CPU ₁ , a DC loop circuit 3 which operates under the control of the CPU and forms a DC loop on the station lines L ₁ and L ₂ (L ₁ is a main line and L ₂ is a double line), and a dial tone f ₁ input from the station line. A dial tone detection circuit 2 for detecting a dial tone, a PB signal circuit 4 for transmitting a PB signal of a predetermined report destination to the office line under the control of the CPU when a dial tone is detected by the dial tone detection circuit, and a PB signal. And an emergency message compiling circuit 6 that composes an emergency message to be sent to a report destination by the circuit.

The CPU 1 receives the fire sensor SE ₁ , the gas leak sensor SE ₂ , and the emergency signals f ₂ , f ₃ , and f ₄ from the emergency notification button SW ₁ , and the DC loop circuit 3 connects the DC loop circuit 3 to the DC loop. Yes There is formed, can a dial tone f ₁ is detected by the dial tone detection circuit 4, the control function of the office line L _1, PB signal of a predetermined report destination to L ₂ and out-feed by PB signal circuit 4 is doing. Further, the CPU 1 controls the emergency message organization circuit 6 so as to compose an emergency message sent by the PB signal circuit 4 to the notification destination, and monitors via the emergency message organization circuit 6 whether or not the notification destination responds. To have.

The DC loop circuit 3 is closed under the control of the CPU 1 to form a DC loop on the office lines L ₁ and L ₂ . The dial tone detection circuit 2 has a circuit configuration for detecting the dial tone f ₁ input from the office lines L ₁ and L ₂ . The PB signal circuit 4 is operated under the control of the CPU ₁ and has a circuit configuration for transmitting a PB signal of a predetermined report destination to the office lines L ₁ and L ₂ .

The emergency message organization circuit 6 has a circuit configuration for organizing an emergency message sent to the call destination by the PB signal circuit 4, and for example, a voice sending IC used in an answering machine is adopted. The emergency call device EQ ₁ has a line transformer 9 between the dial tone detection circuit 2, the PB signal circuit 4, the emergency message organization circuit 6 and the office lines L ₁ and L ₂ for impedance matching and DC separation. provided, one primary coil 9b of the line transformer 9 is the office line L ₁ through the capacitor C _1, the other is connected to the office line L _2.

Both ends of the secondary coil 9 a of the line transformer 9 are connected to a dial tone detection circuit 2, a PB signal circuit 4, and an emergency message organization circuit 6 for detecting the dial tone f ₁ , respectively, and the dial tone detection circuit 2 is connected. The output side of is connected to the control input side of the CPU 1, and the control output side is connected to the PB signal circuit 4, respectively. Further, the emergency message organization circuit 6 and the CPU 1 are connected by a control line, and when the first destination selected by the PB signal sent from the PB signal circuit 4 responds, the emergency message organization circuit 6 sends an emergency message. If the PB signal is transmitted and does not respond within a predetermined time, the PB signal is transmitted again to the second destination.

[0020] The office line L ₂ is one of the direct current loop circuit 3 composed of normally open contact, while the office line L ₁ through the塞流line wheels 3a for short-circuiting the office line L _1, L ₂ Each is connected. Handset 11 and the telephone set TE ₁ with a numeric keypad 12 is provided is connected to the office line L _1, L _2, so that the possible sending and receiving via the office line L _1, L _2. In such an emergency reporting apparatus EQ ₁ (for PB signal), for example, a fire sensor SE ₁ Gado operation and emergency signal f ₂ is sent to the CPU 1, the origination sequence in terms when 3, emergency signal f ₂ Is sent to the CPU 1, the DC loop circuit 3 forms a DC loop. When the DC loop is formed on the office lines L ₁ and L ₂ , the dial tone f ₁ is detected at the time point, and the PB signal is sent from the PB signal circuit 4 to the office lines L ₁ and L ₂ at the time point.

[0021] When a predetermined PB signal is sent to the first callee and the first callee responds, an emergency message organized by the emergency message organization circuit 6, for example, "○○ town △△ "Emergency situation" is sent to the office lines L ₁ and L ₂ several times. If the first report destination does not respond, the PB signal is sent to the second report destination, and if the second report destination does not respond, then the PB signal is sent to the third report destination.

In this way, since the incoming call and the outgoing call do not collide with each other, an emergency message can be reliably sent to the callee without causing a situation in which the operation sequences of both parties are confused. When the telephone TE ₁ is making an outside call via the office lines L ₁ and L ₂ , this outside call is disconnected and the emergency message is given priority.

In addition, the emergency call device EQ ₂ according to the present invention, as shown in FIG. 2, has a fire sensor SE ₁ , a gas leak sensor SE ₂ , and emergency signals f ₂ , f ₃ , f ₄ from the emergency call button SW _1. and CPU1 input, a DC loop circuit 3 that form a DC loop and station line station lines L _1, L ₂ operates in the control of the CPU1, a dial tone f ₁ input from the office line L _1, L ₂ A dial tone detection circuit 2 for detecting, and a DP signal circuit 5 for sending a DP signal of a predetermined report destination to the office line under the control of the CPU 1 when the dial tone is detected by the dial tone detection circuit, An emergency call circuit 6 for sending an emergency message to a call destination by a DP signal circuit is provided.

In the emergency call device EQ ₂ , both ends of the secondary coil 9 a of the line transformer 9 are connected to the dial tone detection circuit 2 and the emergency message organization circuit 6, respectively. Further, one of the DP signal circuits 5 to which the control output side of the CPU 1 is connected is the station line L _1, and the other is the station line L ₂ via the closed loop 3a and the normally open contact of the DC loop circuit 3 respectively. It is connected.

The connection of the emergency call device EQ ₂ other than the DP signal circuit 5 is the same as that of the emergency call device EQ ₁ shown in FIG. The operation of the emergency call circuit EQ ₂ is the same as that of the emergency call device EQ ₁ shown in FIG. 1 except that the PB signal becomes the DP signal.

[0026]

[Effect of device]

 As is apparent from the above description, in the emergency call device according to the present invention, the dial tone detection circuit detects the dial tone before the dialing sequence starts. It is always executed normally, and emergency messages can be reliably sent to the callee.

[Brief description of drawings]

FIG. 1 is a block diagram showing an embodiment of an emergency notification device according to the present invention.

FIG. 2 is a block diagram showing another embodiment of the emergency notification device according to the present invention.

FIG. 3 is an operation sequence of the emergency call device according to the present invention.

FIG. 4 is a block diagram of a conventional emergency notification device.

FIG. 5 shows an operation sequence of a conventional emergency notification device.

[Explanation of symbols]

1 ... CPU 2 ... Dial tone detection circuit 3 ... DC loop circuit 4 ... PB signal circuit 5 ... DP signal circuit 6・ ・ ・ ・ Emergency message organization circuit EQ ₁ , EQ ₂・ ・ Emergency notification device L ₁ , L ₂・ ・ Station line f ₁・ ・ ・ ・ Dial tone f ₂ , f ₃ , f ₄・ ・ Emergency signal SE ₁・ ・ Fire sensor SE ₂・ ・ ・ ・ Gas leak sensor SW ₁・ ・ ・ ・ Emergency call button

Claims (2)

[Scope of utility model registration request] 1. A CPU (1) to which an emergency signal (f ₂ , f ₃ , f ₄ ) from a fire sensor (SE ₁ ), a gas leak sensor (SE ₂ ) and an emergency call button (SW ₁ ) is input. A DC loop circuit (3) which is closed under the control of the CPU and forms a DC loop on the station lines (L ₁ , L ₂ ); and a station line when the DC loop circuit forms a DC loop on the station line. A dial tone detection circuit (2) for detecting a dial tone (f ₁ ) input from the PB signal circuit, a PB signal circuit (4) for transmitting a PB signal of a predetermined notification destination to the office line, and the PB signal circuit. And an emergency message organization circuit (6) for organizing an emergency message sent to the report destination by the emergency notification apparatus. 2. A fire sensor (SE ₁ ), a gas leak sensor (SE ₂ ), a CPU (1) to which an emergency signal (f ₂ , f ₃ , f ₄ ) from an emergency call button (SW ₁ ) is input. A DC loop circuit (3) which is closed under the control of the CPU and forms a DC loop on the station lines (L ₁ , L ₂ ); and a station line when the DC loop circuit forms a DC loop on the station line. A dial tone detection circuit (2) for detecting a dial tone (f ₁ ) inputted from the above, a DP signal circuit (5) for transmitting a DP signal to a predetermined report destination to the office line, and the DP signal circuit And an emergency message organization circuit (6) for organizing an emergency message sent to the notification destination by the emergency notification apparatus.