JP4310903B2 - Emergency call system terminal equipment - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
  The present invention is installed in a vehicle, and in the event of an emergency such as a traffic accident or a sudden illness, the current location information of a vehicle, data on registered vehicles, etc. TECHNICAL FIELD The present invention relates to an emergency call system terminal device having a function of transmitting and receiving a situation and an emergency call system using the same.
[0002]
[Prior art]
  Conventionally, it is installed in vehicles such as automobiles, and calls are made to the center (hereinafter referred to as the emergency call center) that has jurisdiction over the emergency call system such as the police, fire department, or emergency call center via the carrier's base station. There is known an emergency call system terminal device provided with an emergency call communication means for processing.
[0003]
  In a conventional emergency call system terminal device, for example, in Japanese Patent Laid-Open No. 10-32650, a power source is connected to a mobile communication telephone through a switch. However, there has been disclosed a mobile communication telephone that allows a user to block after receiving a signal that can be blocked from an emergency call contact when an emergency call is made.
[0004]
[Problems to be solved by the invention]
  In conventional emergency call system terminal devices, the emergency call contact can be turned off manually after making an emergency call in case of an emergency such as a traffic accident or sudden illness, or to make a reliable call with the emergency call contact. The power supply cannot be turned off unless a signal that allows the power supply to be cut off is received. In addition, emergency call processing was automatically started, data communication and voice calls were made after a call was made or received at the emergency call center, and when the necessary communication or call was completed, the call was automatically terminated. . In the case of such a system, if a failure occurs in the emergency call system terminal device or emergency call center system in an emergency call state, the wireless line continues to be occupied in the call state and the call can be terminated. Disappear.
[0005]
  The present invention solves the above problems, and by providing a function for forcibly shutting off the power supply to the emergency call system terminal device, the call state is fixed due to a failure of the emergency call system terminal device or the emergency call center system, etc. Thus, an emergency call system terminal device and an emergency call system are provided that prevent the wireless line from being occupied continuously by shutting off the power supply and disconnecting the call line even when the call end operation cannot be performed.
[0006]
[Means for Solving the Problems]
  In order to solve the above-mentioned problems, the present invention is designed to be mounted on a vehicle, and an emergency call system terminal that performs emergency state notification processing to a center that has jurisdiction over the emergency call system by operation of an emergency call transmission means in an emergency. Equipment,This emergency call system terminal device includes an emergency call notification means for performing emergency call processing at the center.Internal circuitry,Consists of a battery installed outside the emergency call system terminal device and an auxiliary battery installed inside the emergency call system terminal devicePower supplyAnd internal circuitBetween the power supply path connecting thePartProvided in the middle of the power supply pathTheWith a pluggable connectorA power supply control circuit provided on the power supply path inside the emergency call system terminal device and connected to the power supply, the power supply control circuit monitors the power supply voltage of the battery, switches from the battery to the auxiliary battery, and the battery or The power supply voltage is supplied from the auxiliary battery to the internal circuit. The connector is provided in the power supply path from the battery and the auxiliary battery to the power control circuit or the power supply path from the power control circuit to the internal circuit, and the connector is removed. In this case, at least the power supply from the power source to the emergency call communication means in the internal circuit is cut off. In addition, another aspect of the present invention is an emergency call system terminal device that is designed to be mounted on a vehicle and that performs emergency call processing to a center that has jurisdiction over the emergency call system by the operation of an emergency call sending means in an emergency. The emergency call system terminal device has an internal circuit including an emergency call notification means for performing emergency call processing to the center, a battery provided outside the emergency call system terminal device, and an emergency call system terminal device. A power supply path connecting the power supply and the internal circuit consisting of the auxiliary battery provided, a pluggable three-terminal connector provided outside the emergency call system terminal device and in the middle of the power supply path, and inside the emergency call system terminal device A power control circuit provided on a power supply path of the battery and connected to a connector and an internal circuit. The power source voltage is monitored, the battery is switched to the auxiliary battery, and the power supply voltage is supplied from the battery or the auxiliary battery to the internal circuit. The connector connects the battery and the power control circuit at the first terminal. When the second terminal is connected to the auxiliary battery, the third terminal is connected to the second terminal and the power supply control circuit, and the connector is disconnected, at least the emergency call communication of the internal circuit from the power supply The power supply to the means is cut off.
[0007]
DETAILED DESCRIPTION OF THE INVENTION
  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
[0008]
  (First embodiment)
  FIG. 1 is a block diagram showing a configuration of an emergency call system terminal device according to the first embodiment of this invention. The emergency call system terminal device 1 is mounted on a vehicle such as an automobile, and in the event of an emergency such as a traffic accident or a sudden illness, it sends the current vehicle location information and registered vehicle data to the emergency call center to make an emergency vehicle dispatch request. It is a device to perform. The communication antenna 2 is an antenna that performs processing for transmitting a transmission signal from the emergency call communication unit 11 to the base station of the communication carrier and outputting a reception signal from the communication carrier to the emergency call communication unit 11. The emergency call transmission button 3 is an emergency call transmission means, and is a button for generating a signal for the user to press in an emergency such as a traffic accident or sudden illness to start an emergency call transmission process. The GPS antenna 4 is an antenna that receives data from GPS satellites.
[0009]
  The main battery 5 is a battery that supplies power to the electrical equipment of the vehicle and also supplies power to the emergency call system terminal device 1. The microphone 6 is a microphone module having a built-in microphone, an amplification circuit, and the like that perform processing for outputting a user's voice to the emergency call system terminal device 1 during voice call communication in emergency call communication processing. The speaker 7 is a speaker for sounding a reception voice signal from the emergency call center at the time of the voice call communication.
[0010]
  Next, the internal configuration of the emergency call system terminal device 1 will be described. In response to a call request signal from the control unit 12, the emergency call communication means 11 performs a call transmission process to a call partner corresponding to the telephone number via the base station of the carrier by the telephone number input from the control unit 12. To start. Further, when a signal for transition during a call, such as a call response from a call partner or a signal during a call, is received, the control unit 12 transmits a signal notifying that the transition has occurred during a call, while shifting to a voice call control or a data communication control. Output to. In addition, information such as the traveling direction and direction of the vehicle input from the control unit 12 and data such as position information are transmitted to the emergency call center corresponding to the telephone number via the base station of the communication carrier. Perform outgoing processing.
[0011]
  The control unit 12 records, in the storage unit 15, data such as location information acquired from the location information acquisition processing unit 14, history data of emergency call notification processing, and abnormality history data when an abnormality has occurred in the emergency call system terminal device 1. Take control. Further, it is recognized that an emergency call notification request has been made by an operation signal from an emergency call sending means such as the emergency call sending button 3, and the location information obtained from the location information acquisition processing unit 14 and recorded in the storage unit 15 is recorded. Enter the data. In addition, the telephone number of the emergency call center is acquired from the storage unit 15, and the telephone call request is made to the emergency call communication means 11 using the telephone number. Further, when a signal for shifting during a call such as a response signal or a busy signal such as a response signal from the call partner corresponding to the telephone number is received from the emergency call communication means 11, it is recognized that the call has been switched to a call state. In addition, a signal for transmitting the location information history data obtained from the location information acquisition processing unit 14 to the emergency call center corresponding to the telephone number via the telecommunications carrier's base station or the like is notified to the emergency call. Processing to output to the means 11 is performed.
[0012]
  The gyro sensor 13 is means for generating information such as the traveling direction and direction of the vehicle. The position information acquisition processing unit 14 is a means for outputting data such as position information generated from the data from the gyro sensor 13 and the data received by the GPS receiver 16 from the GPS antenna 4 to the control unit 12.
[0013]
  The storage unit 15 is a memory that records information such as the telephone number of the emergency call center, the registration number of the vehicle on which the emergency call system terminal device 1 is mounted, and the position information generated by the position information acquisition processing unit 14. The process which outputs the data recorded by the request signal from is also performed. The GPS receiver 16 is a device that performs processing for outputting data such as position information to the position information acquisition processing unit 14 based on data obtained from the GPS antenna 4. In order to realize a hands-free voice call at the time of emergency call communication processing, the hands-free device 17 converts the voice signal transmitted from the user and the voice signal received from the center during the voice call by the signal processing and level adjustment function. On the other hand, the signal processing apparatus performs echo cancellation processing and howling control processing.
[0014]
  The power supply control circuit 18 supplies power to the internal circuit of the emergency call system terminal device 1 by the power supply from the main battery 5, and also when the power supply from the main battery 5 is interrupted or below a predetermined power supply voltage value. In this case, the power supply control circuit switches to the power supply from the auxiliary battery 19 and performs control to continue the power supply to the internal circuit of the emergency call system terminal device 1. The auxiliary battery 19 is built in the emergency call system terminal device 1, and is connected to the emergency call system terminal device 1 instead of the main battery 5 when the power supply from the main battery 5 is interrupted or when the power supply voltage is lower than a predetermined power supply voltage. A battery that supplies power.
[0015]
  The power switch 20 is a switch provided in a power supply path for supplying power from the power control circuit 18 to the internal circuit of the emergency call system terminal device 1, and supplies power to the emergency call system terminal device 1 by user operation. Forcibly shuts off. The protective cover 21 is a cover provided so as to cover the power switch 20, and has a configuration that can be removed by the user when it is necessary to operate the power switch 20 due to a malfunction or abnormality of the device. Yes.
[0016]
  The operation of the emergency call system terminal device 1 according to the first embodiment of the present invention configured as described above will be described. The power supply control circuit 18 generates power to be supplied to the internal circuit of the emergency call system terminal device 1 by supplying power from the main battery 5. Here, the internal circuit of the emergency call system terminal device 1 is a circuit constituting the emergency call system terminal device. For example, the emergency call communication means 11, the control unit 12, the GPS receiver 16, the hands-free device 17, and the like. A circuit or device. Further, the power switch 20 is normally covered with the protective cover 21 and is kept on, and supplies the power supplied from the power control circuit 18 to the internal circuit of the emergency call system terminal device 1. With this power supply, the emergency call system terminal device 1 can operate. In this state, the position information acquisition processing unit 14 generates position information data based on data from the gyro sensor 13, data received by the GPS receiver 16 from the GPS antenna 4, and the like at normal times other than during emergency call notification processing. In addition, the control unit 12 performs processing for periodically acquiring data such as position information from the position information acquisition processing unit 14 and recording the data in the storage unit 15.
[0017]
  In such a state, when an emergency such as a traffic accident or sudden illness occurs, the user presses the emergency call transmission button 3 which is one of the emergency call transmission means. When the user presses the emergency call transmission button 3, a signal indicating that the button has been pressed is output to the control unit 12. The control unit 12 recognizes that an emergency call transmission request has been made by an operation signal from the emergency call transmission button 3, and starts an emergency call notification process. Further, data such as location information accumulated from the storage unit 15 and the telephone number of the emergency call center are acquired, and a telephone call request is made to the emergency call contact means 11 using the telephone number. The emergency call communication means 11 uses the communication antenna 2 to start a telephone call process to the call partner corresponding to the telephone number via the base station of the communication carrier. The emergency call contact means 11 recognizes that the call has shifted to a call state when receiving a signal such as a call response from a call partner or a signal during a call, and shifts to voice call control or data communication control. A signal is sent to the control unit 12 informing that it has shifted during a call. The control unit 12 determines that the call is successful, and sends the data such as the location information acquired from the storage unit 15 to the emergency call center that is the call partner corresponding to the telephone number via the base station of the communication carrier. A process for transmitting position data and the like is performed. When all the location information data from the emergency call system terminal device 1 is received, the emergency call center performs a process of switching to a voice call.
[0018]
  When the emergency call contact means 11 receives a signal indicating that the call has been switched to a voice call, it outputs a signal indicating the shift to the control unit 12. When the control unit 12 receives a signal indicating that the voice call has been switched to, the control unit 12 performs control for connecting the voice path between the emergency call communication unit 11 and the hands-free device 17 and shifts to a voice call communication process. During the voice call communication process, the emergency call contact means 11 outputs a voice signal received from the emergency call center to the hands-free device 17. The hands-free device 17 uses an internal signal processing circuit to acquire the sound level and frequency characteristics from the received sound signal, performs processing such as increasing the sound level of the received sound signal, and outputs the result to the speaker 7.
[0019]
  The speaker 7 performs a process of sounding the received audio signal input from the hands-free device 17 and transmits it to the user. The microphone 6 acquires an audio signal from the user and a received audio signal generated by the speaker 7 and outputs the acquired audio signal to the handsfree device 17. When a transmission signal having a signal component with the same audio level and frequency characteristics acquired from the received audio signal is input, the hands-free device 17 determines that the received audio signal is input from the microphone 6 and removes the echo component. To the emergency call notification means 11. The emergency call contact means 11 receives the transmission voice signal from the hands-free device 17 and performs a process of transmitting it to the emergency call center, thereby executing an emergency call contact process.
[0020]
  While the emergency call communication process as described above is being executed, the call state is fixed due to abnormal operation of the emergency call system terminal device 1 or abnormal radio wave condition or failure of the emergency call center system. When it becomes impossible to perform the talking operation, the user can forcibly end the talking state by removing the protective cover 21 and turning off the power switch 20. Since the power supply control circuit 18 cuts off the power supply from the power control circuit 18 to the internal circuit of the emergency call system terminal device 1, the power supply of all internal circuits including the control unit 12 and the emergency call communication means 11 Supply is cut off and the radio line is opened.
[0021]
  As described above, by providing the power switch 20 in the power supply path from the power control circuit 18, the call state remains continuous due to an abnormal operation of the emergency call system terminal device 1 and the call cannot be ended. Even in the event of an emergency, it is possible to forcibly cut off the power supply by turning off the power switch 20 to end the call.
[0022]
  In this embodiment, the power switch for shutting off the power supply is provided outside the emergency call system terminal device, but is not limited to the installation location, and may be the emergency call system terminal device unit or the vehicle unit. Further, in this embodiment, a protective cover is provided to prevent the power switch from being operated due to carelessness or mischief, but the present invention is not limited to this, and careless operation is not performed. If you are in a safe place, you don't need a protective cover. In this embodiment, the power supply to all internal circuits in the emergency call system terminal device is cut off by the switch-off operation. However, the present invention is not limited to this, and the call state The internal circuit portion that can terminate the state where the call cannot be terminated while the state is maintained, for example, only the emergency call contact means 11 or the power supply portions of both the emergency call contact means 11 and the control unit 12 may be cut off. .
[0023]
  In this embodiment, the auxiliary battery is provided in the emergency call system terminal device. However, the auxiliary battery is not limited to the inside as long as it is provided in the emergency call system terminal device, and may be provided outside.
[0024]
  (Second Embodiment)
  FIG. 2 is a block diagram of a power supply path portion connecting the internal circuit of the emergency call system terminal device from the power supply control circuit in the internal configuration of the emergency call system terminal device according to the second embodiment of the present invention. The emergency call system terminal device 1 is an emergency call system terminal device similar to that shown in FIG. 1, and only the power supply path portion is described as described above. The power supply control circuit 18 is a power supply control circuit similar to that shown in FIG. The connector 22 includes a concave connector 22a and a convex connector 22b. The concave connector 22a is provided with terminals on the power supply side from the power control circuit 18 and on the power consumption side that supplies power to the internal circuit of the emergency call system terminal device 1. The connector can be connected to or disconnected from the power supply side and the power consumption side by inserting or pulling out the convex connector 22b.
[0025]
  The operation of the apparatus configuration of the present embodiment as described above will be described below. At the time of emergency call communication processing and normal time, as shown in FIG. 2A, the convex connector 22b is inserted into the concave connector 22a, and the power supply from the power control circuit 18 is supplied to the internal circuit of the emergency call system terminal device 1. To supply. As described in the first embodiment of the present invention, this power supply performs the normal operation and the emergency operation when an emergency such as a traffic accident or sudden illness occurs.
[0026]
  While the emergency call communication process is being executed, the call state is fixed due to abnormal operation of the emergency call system terminal device 1 or abnormal radio wave condition or failure of the system of the emergency call center, etc., and the call is terminated. When this becomes impossible, the user can disconnect the power supply from the power supply control circuit 18 and forcibly end the call state by pulling out the convex connector 22b from the concave connector 22a. In this way, the power supply control circuit 18 cuts off the power supply from the power supply control circuit 18 to the internal circuit of the emergency call system terminal device 1 by pulling the convex connector 22b, so that the control unit 12 and the emergency call communication means 11 are included. The power supply to all internal circuits is cut off and the radio line is opened.
[0027]
  As described above, by providing a connector in the power supply path from the power supply control circuit 18 and shutting off by the operation of pulling out the convex connector 22b, the power supply can be reliably shut off and may be accidentally pulled out except in an emergency. Or, it can be surely operated only when necessary without coming off due to vibration or shock.
[0028]
  In this embodiment, a two-terminal connector is used. However, the present invention is not limited to this, and a function of connecting and disconnecting the power control circuit side and the internal circuit side of the emergency call system terminal. There is no particular limitation on the configuration and structure of the connector. Moreover, the installation location of the connector is not limited to the emergency call system terminal device portion, and may be a vehicle portion. Furthermore, in this embodiment, the connector is not provided with a protective cover, but a protective cover may be provided. In this embodiment, the power supply to all internal circuits in the emergency call system terminal device is cut off by pulling out the connector. However, the present invention is not limited to this, and the call state is The internal circuit portion that can end the state where the call cannot be ended while being maintained, for example, only the emergency notification contact means 11 or the power supply portions of both the emergency notification contact means 11 and the control unit 12 may be cut off.
[0029]
  (Third embodiment)
  FIG. 3 is a block diagram of a power supply path portion connecting the internal circuit of the emergency call system terminal device from the power supply control circuit in the internal configuration of the emergency call system terminal device according to the third embodiment of the present invention. The emergency call system terminal device 1 is an emergency call system terminal device similar to that shown in FIG. 1, and only the power supply path portion is described as described above. The power supply control circuit 18 is a power supply control circuit similar to that shown in FIG. The transistor 23 is a transistor that supplies power to or cuts off power from the power control circuit 18 to the internal circuit of the emergency call system terminal device 1. The resistor 24 is a resistor provided to prevent an excessive current from flowing through the base of the transistor 23 to destroy the transistor. The switch 25 is a switch that is operated by a user to control a current between the emitter and the collector of the transistor by connecting or blocking between the base of the transistor 23 and the ground.
[0030]
  The operation of the apparatus configuration of the present embodiment as described above will be described below. During emergency call communication processing and during normal operation, the switch 25 is turned on, and the base terminal of the transistor 23 is grounded via the resistor 24. As a result, current can flow from the emitter terminal of the transistor 23 to the collector terminal. Thus, power is supplied from the power supply control circuit 18 to the internal circuit of the emergency call system terminal device 1. As described in the first embodiment of the present invention, this power supply performs the normal operation and the emergency notification operation when an emergency such as a traffic accident or sudden illness occurs.
[0031]
  While the emergency call notification process is being executed, the call state may continue due to abnormal operation of the emergency call system terminal device 1 or abnormal radio wave condition or failure of the emergency call center system, etc. When it becomes impossible, the user turns off the switch 25. When the switch 25 is turned off, the base terminal of the transistor 23 is opened, and no current flows from the emitter terminal to the collector terminal. As a result, since the power supply from the power control circuit 18 to the internal circuit of the emergency notification system terminal device 1 is cut off, the power supply to all internal circuits including the control unit 12 and the emergency call communication means 11 is cut off. Open the wireless line.
[0032]
  As described above, when a transistor is provided in the power supply path from the power supply control circuit 18 and this transistor is operated by a switch, the switch circuit unit can operate with a small current, and the switch circuit unit and wiring for the switch circuit can be operated. The configuration can be simplified.
[0033]
  In this embodiment, the switch for shutting off the power supply is provided outside the emergency call system terminal device. However, the switch is not limited to the installation location, and may be a location that can be manually operated on the emergency call system terminal device. Furthermore, in this embodiment, the connector is not provided with a protective cover, but a protective cover may be provided. In this embodiment, the transistor is turned off by switching off so that the power supply to all internal circuits in the emergency call system terminal device is cut off. However, the present invention is not limited to this. The internal circuit portion that can terminate the state where the call cannot be terminated while the call state is maintained, for example, only the emergency call contact means 11 or the power supply portions of both the emergency call contact means 11 and the control unit 12 is cut off. It is good also as a structure.
[0034]
  (Fourth embodiment)
  FIG. 4 is a block diagram of a power supply path portion connecting the power supply control circuit to the internal circuit of the emergency call system terminal device in the internal configuration of the emergency call system terminal device according to the fourth embodiment of the present invention. The emergency call system terminal device 1 is an emergency call system terminal device similar to that shown in FIG. 1, and only the power supply path portion is described as described above. The main battery 5, the power control circuit 18 and the auxiliary battery 19 are the same main battery, power control circuit and auxiliary battery as described in FIG. The connector 26 includes an insertion type three-terminal concave connector 26a and a convex connector 26b. The concave connector 26a connects the main battery 5 to the power supply control circuit 18, the auxiliary battery 19 connects the connector 26, and the connector 26 supplies power. The path connecting the control circuit 18 is configured to be connected or disconnected by inserting or pulling out the convex connector 26b.
[0035]
  The operation of the apparatus configuration of the present embodiment as described above will be described below. At the time of emergency call communication processing and normal time, as shown in FIG. 4, the convex connector 26 b is inserted into the concave connector 26 a and supplies the power supplied from the power control circuit 18 to the internal circuit of the emergency call system terminal device 1. . As described in the first embodiment of the present invention, this power supply performs the normal operation and the emergency operation when an emergency such as a traffic accident or sudden illness occurs.
[0036]
  While the emergency call communication process is being executed, the call state is fixed due to abnormal operation of the emergency call system terminal device 1 or abnormal radio wave condition or failure of the system of the emergency call center, etc., and the call is terminated. If this becomes impossible, the user can forcibly terminate the call state by cutting off the power supply to the power supply control circuit 18 by pulling out the convex connector 26b from the concave connector 26a. In this way, the power supply to the power supply control circuit 18 is cut off by the operation of pulling out the convex connector 26b, so that the power supply to all internal circuits including the control unit 12 and the emergency call communication means 11 is cut off. Open the wireless line.
[0037]
  As described above, the power supply path from the main battery 5 and the auxiliary battery 19 to the power control circuit 18 is provided with a connector, and the power supply is cut off by the operation of pulling out the convex connector 26b. A reliable operation can be performed only when necessary, without being accidentally pulled out except at times, or coming off due to vibration or impact. Further, in the connector configuration of the present embodiment, since the wiring process from the main battery 5 and the auxiliary battery 19 is simple, the connector can be quickly operated in an emergency, and a portion that is usually not touched can be freely selected. it can. Furthermore, in this embodiment, the connector is not provided with a protective cover, but a protective cover may be provided.
[0038]
  In this embodiment, the power supply to all internal circuits in the emergency call system terminal device is cut off by pulling out the connector. However, the present invention is not limited to this, and the call state is The internal circuit portion that can end the state where the call cannot be ended while being maintained, for example, only the emergency notification contact means 11 or the power supply portions of both the emergency notification contact means 11 and the control unit 12 may be cut off.
[0039]
  In addition, the present invention is provided with a function of shutting off the power supply in the event of an abnormality due to a failure or the like of the emergency call system terminal device or emergency call center. Needless to say, the object can be achieved by using the blocking function of the present invention even when it occurs.
[0040]
  In the present embodiment, the state of the call is fixed at the time of emergency call notification processing, and the device configuration in which the user determines that the end of call operation cannot be executed and the power is turned off has been described. It is also possible to notify the user by providing means for displaying on the display device when the operation cannot be executed, or displaying an abnormality by lighting or blinking the lamp.
[0041]
  Further, in the present embodiment, when the call state is fixed at the time of emergency call contact processing, and the end of call operation cannot be performed, the apparatus configuration that cuts off the power by pulling out the connector of the three-terminal configuration has been described. In the present invention, the power shut-off means is an insertion type connector, and the connector includes a vehicle-mounted battery for supplying power to the vehicle electrical equipment and an auxiliary battery provided in the emergency call system terminal device as the terminal configuration of the connector. A terminal for connecting a path for output to the power supply control circuit via a device, a device provided outside the emergency call system terminal device, and a device corresponding to the device provided outside the emergency call system terminal device The power supply may be cut off by pulling out one of the connectors.
[0042]
【The invention's effect】
  As is apparent from the above, according to the present invention, an emergency call system is provided by providing a power cut-off means for cutting off the power supply in the power supply path connecting the internal circuit of the emergency call system terminal device and the battery for supplying power. When a terminal device or emergency call center system becomes unable to complete a normal call due to a failure or accident, it is possible to cut off the power line and disconnect the call line to prevent the wireless line from being occupied. .
[0043]
  In addition, by providing a three-terminal connector as a power shut-off means, the power of both the battery mounted on the vehicle and the auxiliary battery provided in the emergency call system terminal device can be shut off reliably, and it is mistakenly used except in an emergency situation. It is possible to provide a power shut-off means that is difficult to turn off. Furthermore, by providing a protective cover that covers the power shut-off means, it becomes difficult to operate with carelessness and mischief except in an emergency, and the reliability of the emergency call system terminal device and its system can be improved.
[0044]
  Furthermore, using an insertion-type connector as a power shut-off means, a terminal for connecting a power control circuit between a battery mounted on a vehicle and an auxiliary battery, and a device for connecting an external device and a device inside an emergency call system terminal device With this configuration, not only can the power be shut off reliably, but it can also be used as a power shut-off means that is difficult to accidentally turn off except in an emergency situation, and an external device can be connected to the emergency call system terminal device. By sharing with the connector for this purpose, not only the power supply can be cut off but also signals from external devices can be cut off, so a more reliable blocking effect can be obtained.
[Brief description of the drawings]
FIG. 1 is a block diagram showing a configuration of an emergency call system terminal device according to a first embodiment of the present invention.
FIG. 2 is a block diagram of a power supply path section between the power supply control circuit and the internal circuit of the internal configuration of the emergency call system terminal device according to the second embodiment of the present invention.
FIG. 3 is a block diagram of a power supply path section between a power control circuit and an internal circuit of an internal configuration of an emergency call system terminal device according to a third embodiment of the present invention.
FIG. 4 is a block diagram of a power supply path section between a power supply control circuit and an internal circuit of an internal configuration of an emergency call system terminal device according to a fourth embodiment of the present invention.
[Explanation of symbols]
  1 Emergency call system terminal equipment
  2 Communication antenna
  3 Emergency call button
  4 GPS antenna
  5 Main battery
  6 Microphone
  7 Speaker
  11 Emergency call communication means
  12 Control unit
  13 Gyro sensor
  14 Location information acquisition processing unit
  15 Storage unit
  16 GPS receiver
  17 Hands-free control device
  18 Power control circuit
  19 Auxiliary battery
  20 Power switch
  21 Protective cover
  22 Connector
  22a Concave connector
  22b Convex connector
  23 Transistor
  24 resistors
  25 switches
  26 Connector
  26a Concave connector
  26b Convex connector

Claims (5)

An emergency call system terminal device that is designed to be mounted on a vehicle and performs emergency call processing to the center that has jurisdiction over the emergency call system by the operation of the emergency call sending means in an emergency.
This emergency call system terminal device
An internal circuit including an emergency notification communication means for performing emergency status notification processing to the center ;
A power supply path that connects the internal circuit and a power source composed of a battery provided outside the emergency call system terminal device and an auxiliary battery provided inside the emergency call system terminal device ;
And a vent capable inserted connector provided in the middle of the external or One the power supply path of the emergency call system terminal equipment,
Monitoring the power supply voltage of the battery, switching from the battery to the auxiliary battery, and connecting the battery and the auxiliary battery to a power supply control circuit for supplying a power supply voltage from the battery or the auxiliary battery to the internal circuit, and the connector Is provided in the power supply path from the battery and auxiliary battery to the power control circuit or in the power supply path from the power control circuit to the internal circuit,
An emergency call system terminal device that cuts off power supply from at least the power supply to the emergency call notification means in the internal circuit when the connector is disconnected . An emergency call system terminal device that is designed to be mounted on a vehicle and performs emergency call processing to the center that has jurisdiction over the emergency call system by the operation of the emergency call sending means in an emergency.
This emergency call system terminal device
An internal circuit including an emergency notification communication means for performing emergency status notification processing to the center;
A power supply path that connects the internal circuit and a power source composed of a battery provided outside the emergency call system terminal device and an auxiliary battery provided inside the emergency call system terminal device;
A pluggable three-terminal connector provided outside the emergency call system terminal device and in the middle of the power supply path,
A power control circuit provided on the power supply path inside the emergency call system terminal device and connected to the connector and an internal circuit;
The power supply control circuit monitors the power supply voltage of the battery, switches from the battery to the auxiliary battery, and supplies the power supply voltage from the battery or the auxiliary battery to the internal circuit,
The connector connects the battery and the power control circuit at a first terminal, connects the auxiliary battery at a second terminal, and connects the second terminal and the power control circuit at a third terminal. connection,
An emergency call system terminal device that cuts off power supply from at least the power supply to the emergency call notification means in the internal circuit when the connector is disconnected . The power source includes a battery mounted on the vehicle, and an auxiliary battery provided inside the emergency call system,
The connector includes first and second connectors;
The first connector has a first terminal and a second terminal respectively connected to the power supply control circuit, and a third terminal connected to the auxiliary battery,
The second connector is configured to be removable with respect to the first connector, the battery can be connected to a first terminal of the first connector, and a second terminal and a third terminal of the first connector. The emergency call system terminal device according to claim 1 , configured to be connectable . The emergency call system terminal device according to claim 1 , further comprising display means for displaying that the call end operation cannot be performed when a call state with the center system is fixed and the call end operation cannot be executed . The emergency call system terminal device according to claim 1, wherein the connector is covered with a protective cover .

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