JP2000227984A - Emergency report system terminal equipment and emergency report system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To suppress the power consumption of an auxiliary battery in the case of exchanging a main battery at the time of maintenance in an emergency report system terminal equipment for switching power supply from the main battery to the auxiliary battery when the main battery is failed at the occurrence of an accident. SOLUTION: Both of a power supply route 9 of power +B directly supplied from the main battery 7 and a power supply route 10 of power ACC supplied when a vehicle key switch 8 is turned to an accessory are monitored, and when power supply in both the routes 9 and 10 is stopped or only the supply of the power +B is stopped, the failure of the main battery 7 is judged and power supply from the main battery 7 is switched to the auxiliary battery 19.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is mounted on a vehicle such as an automobile, and is used in an emergency such as a traffic accident or sudden illness.
The present invention relates to an emergency call system terminal device and an emergency call system for transmitting data such as current vehicle position information and registered vehicles to an emergency call center.

[0002]

2. Description of the Related Art Conventionally, an emergency call, which is mounted on a vehicle such as an automobile and performs a telephone call processing to a center having jurisdiction over an emergency call system such as a police station or an emergency call center via a base station of a communication carrier. 2. Description of the Related Art An emergency call system terminal device provided with a communication unit is known. Emergency call system terminal equipment is usually supplied with power from the vehicle's main battery, but if the vehicle collides due to a traffic accident or the like, the main battery itself may be damaged, or the wiring that supplies power from the main battery may be damaged. Disconnection,
When the power supply becomes impossible, a power control device is provided for receiving power supply from the auxiliary battery instead of the main battery.

[0003]

However, the power supply control device in the conventional emergency call system terminal equipment switches the main battery to the auxiliary battery by using the power supply + B directly supplied from the main battery to the emergency call system terminal equipment. Since the power path was monitored, even when the main battery was removed from the vehicle during maintenance such as replacing the main battery, it was determined that the main battery was damaged or disconnected, and the power was switched from the main battery to the auxiliary battery. Therefore, there is a problem that the auxiliary battery is wasted.

The present invention has been made to solve the above-mentioned problems in the prior art, and provides an emergency call system terminal device and an emergency call system which can prevent power consumption of an auxiliary battery when replacing a main battery. The purpose is to do.

[0005]

In order to solve the above-mentioned problems, an emergency notification system terminal device of the present invention switches power supply from a main battery to an auxiliary battery.
This is performed by monitoring both the power supply + B supplied directly from the main battery and the power supply ACC supplied when the key switch of the vehicle is turned to an accessory. Thus, when the main battery is replaced while the engine is stopped with the key switch of the vehicle turned off, both the + B and the ACC power supply paths are in the supply stopped state. In such a case, unnecessary power consumption of the auxiliary battery can be prevented by not switching the power from the main battery to the auxiliary battery.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention according to claim 1 of the present invention provides a power supply from a main battery mounted on a vehicle when an emergency situation occurs and data on the vehicle is reported to an emergency notification center. If it is not possible, in an emergency call system terminal device equipped with a power control device that switches the power supply from the main battery to the auxiliary battery, the power supply from the main battery to the auxiliary battery can be switched by the power supplied directly from the main battery. + B
And an emergency call system terminal device that monitors both the power supply ACC supplied when the key switch of the vehicle is turned to an accessory, and monitors only the power supply + B directly supplied from the main battery as in the related art. Compared to, it is easy to distinguish whether the main battery has failed or has been removed for maintenance,
This has the effect that unnecessary power consumption of the auxiliary battery can be prevented.

According to a second aspect of the present invention, the power supply from the main battery to the auxiliary battery is switched when both the + B and the ACC simultaneously stop the power supply. In the emergency notification system terminal device described in 1 above, if both + B and ACC stop supplying power at the same time, it is possible to determine that the main battery has failed. By switching the power supply from the main battery to the auxiliary battery, , It is possible to surely notify the emergency call center.

According to a third aspect of the present invention, switching of power supply from the main battery to the auxiliary battery is performed when only + B stops power supply while ACC continues power supply. Claim 1 characterized by the following:
If only the + B stops power supply while the ACC continues to supply power, it can be determined that the main battery has failed, so the power supply from the main battery to the auxiliary battery can be determined. By performing the switching, it is possible to reliably notify the emergency call center.

According to a fourth aspect of the present invention, the switching of the power supply from the main battery to the auxiliary battery is performed when the other power supply is stopped within a predetermined time after the power supply of one is stopped. The emergency notification system terminal device according to claim 1, wherein if the power supply of one of the power supply is stopped within a predetermined time after the power supply of the other is stopped, it is determined that the main battery has failed. Since the power can be switched from the main battery to the auxiliary battery, it is possible to surely notify the emergency notification center.

According to a fifth aspect of the present invention, there is provided an emergency call system terminal device according to any one of the first to fourth aspects, and an emergency call transmission from the emergency call system terminal device by controlling the system. An emergency call system including an emergency call center that receives a signal and activates an emergency dispatch,
The power consumption of the auxiliary battery is suppressed, and when an emergency call is issued, the auxiliary battery can reliably send the emergency call.

Next, an embodiment of the present invention will be described in detail with reference to the drawings. (Embodiment) FIG. 1 is a block diagram showing a configuration of an emergency call system terminal device according to an embodiment of the present invention.
In FIG. 1, reference numeral 1 denotes an emergency notification system terminal device,
It is installed in vehicles such as automobiles, and in the event of an emergency such as a traffic accident or sudden illness, transmits the current vehicle position information and data such as registered vehicles to the police, emergency call center, etc., and requests an emergency vehicle dispatch. is there. 2 is a communication antenna,
Performing a process of transmitting a transmission signal from the emergency call notification means 11 to the base station of the communication carrier, and performing a process of outputting a reception signal from the communication carrier to the emergency notification communication means 11;
Reference numeral 3 denotes an emergency call transmission button, which is pressed by a user in an emergency such as a traffic accident or sudden illness to generate an operation signal for starting transmission processing. Reference numeral 4 denotes a GPS antenna which receives position data and time data from GPS satellites. Reference numeral 5 denotes a microphone for inputting a transmission voice signal of a user who gets on a vehicle equipped with the emergency notification system terminal device 1 when making a hands-free call. Reference numeral 6 denotes a speaker that sounds a voice signal received from a police station, an emergency call center, or the like when performing a hands-free call. Reference numeral 7 denotes a main battery, which supplies power to the electrical equipment of the vehicle equipped with the emergency notification system terminal device 1 and the emergency notification system terminal device 1, and supplies power to the emergency notification system terminal device 1 directly from the main battery 7. + B power supply path 9
And an accessory power supply AC from the main battery 7 to the emergency notification system terminal device 1 via the key switch 8 of the vehicle.
And a power supply path 10 for supplying C.

In the emergency call system terminal device 1, 1
Reference numeral 1 denotes an emergency call communication means, which responds to a call request signal from the control unit 12 by using a telephone number input from the control unit 12 via a base station or the like of a communication carrier to a communication partner corresponding to the telephone number. When the call originating process is started and a call response from the other party, or a signal such as a busy signal, etc., during a call is received, it is recognized that the call has shifted to a call state, and voice call control or data communication control is performed. And outputs a signal to the control unit 12 indicating that the call has been transferred during the call to the control unit 12, and further transmits data such as the traveling direction and direction of the vehicle and the position information and the like input from the control unit 12. A process of making a call to the police or emergency call center corresponding to the telephone number corresponding to the telephone number via the base station or the like of the company is performed.

Reference numeral 12 denotes a control unit. The control unit 12 recognizes that an emergency call request has been made based on an operation signal from the emergency call transmission button 3, and sends a current position information to the position information acquisition processing unit 14 in order to start an emergency call process. Along with outputting a signal requesting information, the information such as the traveling direction and direction of the vehicle, and data such as position information are input from the position information acquisition processing unit 14,
Further, the telephone numbers of the police, the emergency call center, etc. are obtained from the storage unit 15, and a call request is made to the emergency call contact means 11 using the telephone numbers.
When receiving a call response from the other party corresponding to the telephone number or a signal such as a busy signal that shifts to a busy state from the emergency call notification unit 11, it recognizes that the state has shifted to the talking state, and performs position information acquisition processing. The information such as the traveling direction and the direction of the vehicle obtained from the unit 14 and the data such as the position information are transmitted to the corresponding telephone number corresponding to the telephone number via the base station of the communication carrier. A process for outputting a signal to be transmitted to the emergency call notification means 11 is performed.

A gyro sensor 13 generates information such as the traveling direction and direction of the vehicle. Reference numeral 14 denotes a position information acquisition processing unit, which inputs data from the gyro sensor 13 in response to a position information request signal from the control unit 12, and generates position information generated from data received by the GPS receiver 17 from the GPS antenna 4. Then, a process of inputting data such as the traveling direction and direction of the vehicle input from the gyro sensor 13 and outputting data such as position information input from the GPS receiver 17 to the control unit 12 is performed.

Reference numeral 15 denotes a storage unit, which stores information such as telephone numbers of police and emergency call centers, registration numbers of vehicles equipped with the emergency call system terminal equipment 1 and registrants. The telephone number of the applicable police, emergency call center, etc.,
And a process of outputting information such as a registration number of a vehicle equipped with the emergency notification system terminal device 1 and a registrant. Reference numeral 16 denotes a hands-free system, which performs an echo canceling function and a howling preventing function in order to perform a hands-free call between a police station, an emergency call center, etc. and a user who gets on a vehicle equipped with the emergency call system terminal device 1. Etc. Reference numeral 17 denotes a GPS receiver.
A process of outputting data such as position information to the position information acquisition processing unit 14 from data input from the antenna 4 is performed.

Reference numeral 18 denotes a power supply control device which monitors the fluctuations in the voltage value or the current value in the power supply paths 9 and 10 of the main battery 7 mounted on the vehicle, and damages the main battery 7 due to a traffic accident, etc. When the power supply to the notification system terminal device 1 becomes impossible, it is detected that the power supply from the main battery 7 has become impossible, and control is performed to switch the power supply from the auxiliary battery 19. Reference numeral 19 denotes an auxiliary battery, which supplies operating power to the emergency notification system terminal device 1 instead of the power from the main battery 7 when power cannot be supplied from the main battery 7 due to a traffic accident or the like.

Next, the operation of this embodiment will be described. In FIG. 1, at normal times other than the emergency call transmission process, the position information acquisition processing unit 14 periodically acquires the current position information of the vehicle from an external device such as a navigation device that generates position information such as longitude and latitude. Alternatively, while inputting data from the gyro sensor 13 for generating information such as the traveling direction and direction of the vehicle, the GPS
A process of generating position information is performed based on data received from the S antenna 4, vehicle speed pulse signal data output according to the number of times the wheel has rotated, and the like.

In an emergency such as a traffic accident or sudden illness, the user presses the emergency call button 3. The emergency call transmission button 3 outputs an operation signal indicating that the button has been pressed by the user to the control unit 12. The control unit 12 outputs a signal requesting the current position information to the position information acquisition processing unit 14.
In response to the position information request signal from the control unit 12, the position information acquisition processing unit 14 inputs data from the gyro sensor 13 that generates information such as the traveling direction and direction of the vehicle, and the GPS receiver 17 4 to input data such as position information generated from the data received from.
The position information acquisition processing unit 14 stores data such as the traveling direction and direction of the vehicle input from the gyro sensor 13 and the GPS information.
Data such as position information input from the receiver 17 is output to the control unit 12.

The control unit 12 obtains the telephone numbers of the police and the emergency call center from the storage unit 15 and makes a call request such as a telephone call to the emergency call contact means 11 using the telephone numbers. Emergency call notification means 11 uses telephone antenna 2 to start a telephone call process to the other party corresponding to the telephone number via the base station of the communication carrier. When receiving an outgoing response from the other party or a signal such as a busy signal that shifts to a busy state, the emergency call notification unit 11 recognizes that the state has shifted to the talking state, and shifts to voice call control or data communication control. At the same time, it outputs a signal to the control unit 12 to notify that the call has been transferred. The control unit 12 determines that the call was successful, and transmits the information such as the traveling direction and the direction of the vehicle obtained from the position information acquisition processing unit 14 and the data such as the position information via the base station of the communication carrier. Then, a process of making a call to the police or emergency call center corresponding to the telephone number corresponding to the telephone number is performed.

When the control section 12 completes the data communication processing for transferring data such as position information to the police, an emergency call center, etc., the control section 12 shifts to voice communication through the hands-free system 16. When shifting to a voice call, the voice signal received from the emergency call notification means 11 is subjected to processing such as echo cancellation by the hands-free system 16 and output as voice from the speaker 6. The audio signal input from the microphone 5 is subjected to processing such as echo cancellation by the hands-free system 16, and is output to the emergency call communication means as a transmission audio signal. At the time of a voice call, a voice call is made between the user and the police or an operator of the emergency call center, and a report on an accident situation or the like is executed by voice.

On the other hand, a power supply control device 18 for controlling the power supply of the emergency notification system terminal device 1 monitors the power supply paths 9 and 10 from the main battery 7 and, when the power is normally supplied, the main battery The emergency notification system terminal device 1 is driven by the power supply from the terminal 7. When power supply from the main battery 7 is impossible due to damage to the main battery 7 due to a traffic accident, the power supply destination is switched to the auxiliary battery 19.

The power control device 18 is provided with power supply paths 9 and 10
Monitor the voltage or current fluctuations at + B and ACC
When both the power supply paths 9 and 10 show a voltage drop or a current drop at the same time, or when the power supply path 10 of the ACC is normal and only the + B power supply path 9 shows a voltage drop or a current drop Or, if the voltage or current of the other power supply path decreases within a certain time after the voltage or current of one power supply path decreases, it is determined that the main battery 7 has failed and the main battery 7 By switching the power supply to the battery 19, it is possible to surely notify the emergency notification center.

As described above, according to the present embodiment, the switching of the power supply from the main battery 7 to the auxiliary battery 19 is performed by switching the power supply path 9 of the power supply + B directly supplied from the main battery 7 and the key switch of the vehicle. Since the power supply path 10 of the power supply ACC supplied when the switch 8 is turned to the accessory is monitored, the main battery is compared with the conventional monitoring of only the power supply + B directly supplied from the main battery. It is possible to easily distinguish whether the battery has failed or has been removed by maintenance, and it is possible to prevent unnecessary power consumption of the auxiliary battery.

[0024]

As is apparent from the above description, the emergency notification system terminal device of the present invention switches the power supply from the main battery to the auxiliary battery by switching between the power supply + B directly supplied from the main battery and the vehicle. Power supply AC supplied when key switch is turned to accessory
Since the main battery is replaced while the engine is stopped with the key switch of the vehicle turned off, both the + B and the ACC power supply paths are in a supply stopped state since monitoring is performed by monitoring both of C and C. In such a case, power is not switched from the main battery to the auxiliary battery, so that unnecessary power consumption of the auxiliary battery can be prevented.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration of an emergency call system terminal device according to an embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Emergency notification system terminal device 2 Communication antenna 3 Emergency notification transmission button 4 GPS antenna 5 Microphone 6 Speaker 7 Main battery 8 Key switch 9 Power supply + B power supply path 10 Power supply ACC power supply path 11 Emergency notification communication means 12 Control unit 13 Gyro sensor 14 Position information acquisition processing unit 15 Storage unit 16 Hands-free system 17 GPS receiver 18 Power control device 19 Auxiliary battery

Continued on the front page F term (reference) 5C087 AA37 AA44 BB12 BB20 BB62 BB64 BB74 CC48 DD03 DD14 EE10 EE18 FF01 FF04 FF05 FF13 FF14 FF17 FF23 GG09 GG21 GG23 GG30 GG57 GG69 GG70 GG83

Claims (5)

[Claims] When a power supply from a main battery mounted on a vehicle is impossible when an emergency situation occurs and data on the vehicle is reported to an emergency notification center, the power supply is performed from the main battery to an auxiliary battery. In the emergency notification system terminal device equipped with a power control device that switches to the power supply, the power supply from the main battery to the auxiliary battery is switched when the power + B directly supplied from the main battery and the key switch of the vehicle are turned to accessories. Emergency call system terminal equipment that monitors both supplied power ACC. 2. The emergency notification system terminal device according to claim 1, wherein the switching of the power supply from the main battery to the auxiliary battery is performed when both the + B and the ACC stop the power supply at the same time. 3. The emergency power supply system according to claim 1, wherein switching of power supply from the main battery to the auxiliary battery is performed when only + B stops power supply while ACC continues power supply. Notification system terminal equipment. 4. The power supply according to claim 1, wherein the switching of the power supply from the main battery to the auxiliary battery is performed when the power supply of the other power supply is stopped within a predetermined time after the power supply of one power supply is stopped. Emergency call system terminal equipment. 5. The emergency call system terminal device according to claim 1, wherein said terminal device controls the system and receives an emergency call transmission signal from said emergency call system terminal device to activate an emergency dispatch. An emergency call system including an emergency call center.