JPH0779191A - Method and device for safety management transmission/ reception - Google Patents

Abstract

PURPOSE:To provide a safety management transmission/reception method and the safety management transmitter/receiver detecting an abnormality quickly without manual intervention and coping quickly with the abnormalities. CONSTITUTION:A safety inquiry signal is sent for each prescribed time t0, and when a safety response signal from a portable radio equipment 18 is not received within a time t1, a 1st abnormal generating signal is sent to the portable radio equipment 18, from which an abnormal alarm tone or the like is raised and when the safety response signal is not received even from the lapse of a specific time t2, a message of the abnormality and a position history and speech history of an answered person are displayed on a maintenance terminal equipment 22 of a management station 10 and dialing is made automatically to an emergency contact destination to send a voice signal informing the abnormality in this safety management transmission reception method and the safety management transmitter-receiver.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a transmission / reception method for safety management performed between a portable wireless device carried by an operator at various work sites and a management station, and particularly when an abnormal situation occurs. The present invention relates to a safety management transmission / reception method and a safety management transmission / reception device capable of promptly detecting an event and taking a quick countermeasure.

[0002]

2. Description of the Related Art For example, in a work site having a wide range of areas such as a steel-related factory, a chemical factory, and a coal mine, when an abnormal situation such as a personal injury occurs, it is necessary to take prompt measures against it. It is required to detect an abnormal situation as soon as possible. A wireless device or the like has been conventionally used as a means for achieving this. That is, in order to transmit information or to communicate an emergency situation between the management station for managing the safety of the worker, the worker carries a wireless device, and a base station or a switchboard. Information is exchanged with the management station via.

The above-mentioned conventional safety management transmission / reception method will be described more specifically with reference to FIG. FIG. 5 is a block diagram of a configuration of a conventional transmission / reception system for performing safety management transmission / reception. As shown in FIG. 5, a conventional safety management transmission / reception system includes a management station 10 that performs safety management, a portable wireless device 18 carried by an operator, and a base for wireless communication between the portable wireless device 18. An exchange 14 for exchanging signal line connections between the station 16, a transceiver 12 provided in the management station 10 and the base station 16, and a control unit 20 'for controlling the exchange 14.
It consists of and.

Next, each part of the conventional safety management transmission / reception system will be specifically described. The exchange 1 is installed in the management station 10.
A transmitter / receiver 12 connected to the transmitter / receiver 4 is installed.
2 is used to communicate with the worker's portable wireless device 18 such as safety confirmation. A plurality of base stations 16 are installed at predetermined locations on the work site so as to cover all areas of the work site.
8 is provided with an antenna for wireless communication with each other and other transmission / reception functions, and each base station 16 is connected to the exchange 14.
Therefore, the portable radio 18 in the area of the base station 16
Through the base station 16 of the management station 10.
To communicate with. Exchanger 14 and control unit 20 '
Is for performing an exchange operation between the transceiver 12 of the management station 10 and the base station 16 that performs wireless communication with the portable wireless device 18, and controlling the exchange operation.

Next, the operation of the conventional safety management transmission / reception system will be described. First, the transmission from the transceiver 12 of the management station 10 to the target portable radio 18 is performed by the exchange 1
Wireless signals are transmitted from all the base stations 16 via 4 to call the target portable radio 18, and the portable radio 1
When 8 responds, the line is connected by the exchange 14 to form a speech path. In addition, for the transmission from the portable wireless device 18 to the transceiver 12 of the management station 10, the base station 16 in the area receives the wireless signal from the portable wireless device 18,
It is transmitted to the transmitter / receiver 12 via the exchange 14, and the transmitter / receiver 12 is off-hooked to respond to form a speech path.

In the safety confirmation operation in the above-mentioned conventional safety management transmission / reception system, each worker periodically contacts a person (administrator) in the management station 10, or
The manager uses the transceiver 12 of the management station 10 to call each worker, and the worker responds to the call using the portable wireless device 18.

[0007]

However, in the above-mentioned conventional safety management transmission / reception system and its safety confirmation operation method, each portable wireless device 18 side responds to the transmission from the management station 10 side. Therefore, a plurality of workers are always involved, and in particular, the management station 10 has to contact each worker one by one, which is very time-consuming and the work of safety confirmation is complicated. was there.

Further, some accident occurs on the worker side,
When it becomes unresponsive, the management station 10 side confirms the unresponsive worker by communicating with other nearby workers and directly going to the site. There is a problem that it is necessary to have the confirmation work done, and it is not possible to respond promptly in an emergency, and there is a risk that the emergency measures for workers and rescue work may be delayed.

The present invention has been made in view of the above-mentioned circumstances, and it is possible to communicate with each worker without manpower, to quickly detect the occurrence of an abnormal situation, and at the work site side and the management station side. It is an object of the present invention to provide a safety management transmission / reception method and a safety management transmission / reception device capable of promptly taking measures against an abnormal situation on both sides.

[0010]

The invention according to claim 1 for solving the problems of the above-mentioned conventional example, the communication between the management station and the portable radio, the base station, the switch, and the control. In the safety management transmission / reception method for managing the safety of the owner of the portable wireless device by means of a unit, an inquiry step of transmitting a safety inquiry signal to the portable wireless device at a constant time t0 by the control unit. A safety response determination step of determining whether or not a safety response signal responsive to the safety inquiry signal from the portable wireless device is received within a specific time t1, and the safety inquiry signal is not received within the time t1. In the case of a failure, a first abnormality handling step of transmitting a first abnormality occurrence signal to the portable wireless device to notify the occurrence of abnormality, and receiving the safety response signal within a specific time t2 from the transmission of the first abnormality occurrence signal If not Message and the position history of the portable radio apparatus of the occurrence of the abnormal state is characterized by having a second anomaly step of displaying the information of the call history in the management station.

According to a second aspect of the present invention for solving the above-mentioned problems of the conventional example, in the safety management transmission / reception method according to the first aspect, at the same time as the second abnormality handling step, a pre-registered portable radio device is provided. It is characterized by including an abnormality handling step of automatically dialing an emergency contact and transmitting a voice signal to the emergency contact to generate a voice notifying the occurrence of an abnormality when a call is possible with the emergency contact.

According to a third aspect of the present invention for solving the problems of the conventional example, the base station, the switch, and the control unit perform communication between the management station and the portable radio, and In a safety management transmission / reception device that manages the safety of the owner of a portable wireless device, the control unit instructs the portable wireless device to transmit to the portable wireless device for a fixed time
A safety inquiry signal transmission unit for transmitting a safety inquiry signal every time, and a safety response signal determination unit for determining whether or not a safety response signal in response to the safety inquiry signal from the portable radio is received within a specific time t1. And a first abnormality occurrence signal transmission unit for transmitting a first abnormality occurrence signal to the portable radio to notify the occurrence of abnormality when the safety inquiry signal is not received within the time t1, and the first abnormality occurrence. A second abnormality occurrence signal sending section for outputting the second abnormality occurrence signal to the control section when the safety response signal is not received within a specific time t2 from the signal transmission, and a maintenance terminal installed in the management station. And a history registration unit that stores information about the position history and call history of the portable wireless device displayed on the portable wireless device. When the control unit receives the second abnormality occurrence signal, the portable wireless device is transmitted from the history registration unit. Position history, is characterized in that in conjunction with abnormality occurrence of the message by reading the information of the call history is a control unit operative to output to the maintenance terminal.

According to a fourth aspect of the present invention for solving the above-mentioned problems of the conventional example, in the safety management transmission / reception apparatus according to the third aspect, a voice transmission for transmitting a voice signal for issuing a voice notifying the occurrence of an abnormality to the control unit. Section and a subscriber information registration section for registering emergency contact information of the portable radio, and when the control section receives the second abnormality occurrence signal, the subscriber information registration section of the portable radio transmits It is characterized in that it is a control unit which operates so as to read out the emergency contact information and automatically dial it, and when the call is ready, to transmit the voice signal from the voice transmission unit to the emergency contact destination.

[0014]

According to the invention described in claim 1, the safety inquiry signal is transmitted at every constant time t0, and the safety response signal responding to the safety inquiry signal must be received from the portable radio device within the time t1. If the first abnormality occurrence signal notifying the occurrence of an abnormality is transmitted to the portable wireless device that has not responded yet and the safety response signal is not received within the time t2, it is considered that an abnormal situation has occurred and the message of abnormal situation occurrence and the unanswered Since it uses a safety management transmission / reception method that displays position history and call history information related to portable radios on the management station side, it is possible to quickly detect the occurrence of an abnormal situation without human intervention and quickly respond to the abnormal situation. .

According to the second aspect of the present invention, at the same time as the second abnormality handling step, a pre-registered emergency contact is automatically dialed, and when the call becomes available, a voice signal for notifying the occurrence of the abnormality is transmitted to the emergency contact. Since the safety management transmission / reception method according to claim 1 is adopted, it is possible to promptly contact the emergency contact when an abnormal situation occurs and to promptly deal with the abnormal situation.

According to the third aspect of the invention, the fixed time t
When a safety inquiry signal is transmitted from the safety inquiry signal transmission unit every 0, and the safety response signal determination unit determines that the safety response signal responsive to the safety inquiry signal is not received from the portable wireless device within the time t1, The first anomaly occurrence signal sending unit sends a first anomaly occurrence signal to the portable wireless device that has not responded yet, and the second anomaly occurrence signal sending unit controls if a safety response signal is not received within time t2. A second abnormality occurrence signal to the control unit, and the control unit receives the second abnormality occurrence signal to register the history of position history and call history information regarding the unresponsive mobile wireless device as an abnormal situation. Since it is a safety management transmission / reception device that is read from the department and displayed on the maintenance terminal of the management station together with the message of the abnormal situation occurrence, the occurrence of the abnormal situation can be detected quickly without the need for human intervention. You can quickly deal.

According to the fourth aspect of the present invention, when the control section receives the second abnormality occurrence signal, the emergency contact information of the portable radio is read from the subscriber information registration section and automatically dialed to enable the call. The safety management transmission / reception device according to claim 3, wherein a voice signal notifying the occurrence of an abnormality is transmitted from the voice transmitting unit to the emergency contact, so that the emergency contact can be contacted promptly in the event of an abnormal situation, and the emergency situation can be promptly notified. I can deal with it.

[0018]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a block diagram of a basic safety management transmission / reception system for performing a safety management transmission / reception method according to an embodiment of the present invention. The same parts as those of the conventional system shown in FIG. 5 will be described with the same reference numerals.

In the safety management transmission / reception system of this embodiment, as in the conventional case, a management station 10 having a transceiver 12, a plurality of portable radios 18, and a base station for performing wireless communication with the portable radios 18. 16, an exchange 14 that forms a communication path between the transceiver 12 and the base station 16, and a control unit 20 that controls exchange of the exchange 14. Further, the management station 10 is provided with a maintenance terminal 22 having a display as an information display unit for displaying various kinds of information and a transceiver 12 for directly talking with the portable wireless device 18. In addition, the portable wireless device 18 is provided with a function of automatically transmitting a signal that is a basis of the position registration signal at regular time intervals, and a speaker that emits at least two different types of alarm sounds and at least two speakers. And a light emitting device capable of emitting light in stages.

As a characteristic part of this embodiment, in particular, various devices are connected to the control unit 20 so that the control unit 20 can perform various operations. Before describing the control unit 20 and various devices connected to the control unit 20, the characteristic functions of the present embodiment implemented by the control unit 20 and each unit related thereto will be described. The characteristic functions of this embodiment are basically (1) safety inquiry processing, (2) abnormality occurrence confirmation processing,
It has (3) first abnormality handling processing and (4) second abnormality handling processing.

The safety inquiry processing means each portable radio 1
8 is a process for transmitting a safety inquiry signal S1 to the portable radio device 18 at regular time intervals t0 to generate a normal alarm sound or the like in the portable wireless device 18. Abnormality occurrence confirmation processing means that each portable wireless device 18 within a fixed time t1 with respect to the safety inquiry signal S1.
This is a process for determining the reception of the safety response signal S2 from the.
The first abnormality handling process is a process for generating an abnormal alarm sound or the like in the portable wireless device 18 which does not respond when the safety response signal S2 is not received. The second abnormality handling processing is to display the abnormality-related information on the maintenance terminal 22 of the management station 10 if there is no response to the first abnormality handling processing within the specific time t2, and display it as an emergency contact. This is processing such as automatic dialing to notify the occurrence of an abnormal situation.

Next, the configuration of each part for realizing the above functions will be described. Note that each unit described below is basically connected to the control unit 20 and operates under the control of the control unit 20. First, the safety inquiry signal sending unit 24
Is connected to a first time counter 28a for sending a timing signal TS1 and sends a safety inquiry signal S1 to the control unit 20 at regular time intervals t0 according to the timing signal TS1 from the first time counter 28a.

The safety response signal discriminating unit 26 is connected to the control unit 20, receives the safety response signal S2 from each portable radio device 18 indicating that the portable radio device 18 is in a normal state, and receives the safety response signal S2 from each portable radio device 18. It is determined whether or not the response is within a predetermined time t1. Therefore, the safety response signal determination unit 26
A second time counter 28b is connected to
Further, the first time counter 28a is connected to the second time counter 28b.

That is, the timing signal TS1 for sending the safety inquiry signal S1 from the first time counter 28a.
Is the safety inquiry signal sending unit 24 and the second time counter 2.
8b, the second time counter 28b starts counting by this timing signal TS1 and counts until a predetermined time t1 is reached. At time t1, the safety response signal discriminating unit 26 finishes counting. The signal TS2 is output.

When the safety response signal discriminating section 26 receives the safety response signal S2 within the time t1, it outputs a clear signal CL1 for clearing the second time counter 28b, and also from the second time counter 28b. When the count end signal TS2 is received, the subscriber abnormality determination unit 36 outputs the unacknowledged signal MS indicating that the safety response signal S2 has not been received within the time t1.

In order to deal with a plurality of portable wireless devices 18, the second time counters 28b are provided by the number corresponding to the number of the portable wireless devices 18, and the safety response signal discriminating section 26 is further provided. , The identification number of each portable wireless device 18 attached to each safety response signal S2 is read, the second time counter 28b corresponding to the identification number is cleared, and the associated second time counter 28b outputs When the safety response signal discriminating section 26 receives the count end signal TS2, the unacknowledged signal MS is added with an identification number and output to the subscriber abnormality discriminating section 36.

The subscriber abnormality discriminating section 36 is connected to the safety response signal discriminating section 26, and the unacknowledged signal MS from the safety response signal discriminating section 26 (safety within a predetermined time t1 by counting up the second time counter 28b). Upon receipt of the response signal S2), the first abnormality occurrence signal S3 is output to the control unit 20. The portable radio 18
If there are plural numbers, the subscriber abnormality determining section 36 outputs the first abnormality occurrence signal S3 from the unacknowledged signal MS with the identification number to the portable wireless device 18 corresponding to the identification number. Therefore, the identification number of the portable radio is added to the output first abnormality occurrence signal S3.

Here, the subscriber abnormality judging section 36 is provided with a third
Is connected to the time counter 28c. Then, the operation of the third time counter 28c receives the count end signal TS2 output from the second time counter 28b and starts counting, and when counting for the specific time t2, adds the count end signal TS3. This is output to the person abnormality determination unit 36. Therefore, if the safety response signal S2 from the portable wireless device 18 is not received even after the elapse of the specific time t2 from the output of the first abnormality occurrence signal S3, the subscriber abnormality determination unit 36 determines the third time counter 28c. Will receive the count end signal TS3 from.

Then, the subscriber abnormality discriminator 36 determines that the time t
When 2 is passed, the second abnormality occurrence signal S4 is output to the control unit 20 by the count end signal TS3 output from the third time counter 28c. Therefore,
In this embodiment, the subscriber abnormality determining section 36 is an abnormality occurrence signal sending section that outputs the first abnormality occurrence signal S3 and the second abnormality occurrence signal S4. However, it is conceivable that the first and second abnormality occurrence signals S3 and S4 are output from separate signal transmission units.

If the safety response signal discriminating section 26 discriminates that the safety response signal S2 is received within the specific time t2,
When the clear signal CL2 is output to the third time counter 28c, and the count end signal TS3 is not input to the subscriber abnormality determination unit 36, the second abnormality occurrence signal S4 is output.
Is not output.

Also here, when there are a plurality of portable radios 18, the third time counters 28c corresponding in number to the second time counters 28b are provided, and the clear signal CL2 is the safety response signal S2. Is output to the third time counter 28c corresponding to the portable wireless device 18 that has transmitted. In addition, the subscriber abnormality determination unit 36 outputs the count end signal T from the third time counter 28c.
S3 is identified, the identification number of the portable wireless device 18 which has not transmitted the safety response signal S2 is added, and the second abnormality occurrence signal S4 is transmitted.

Further, when the safety response signal discriminating unit 26 discriminates that the safety response signal S2 is received after the elapse of the specific time t2, the clear signal CL3 is outputted to the subscriber abnormality discriminating unit 36.

Upon receiving the clear signal CL3, the subscriber abnormality discriminator 36 outputs a cancel signal KS to the controller 20. When there are a plurality of portable wireless devices 18, the clear signal CL3 indicates the portable wireless device 1
The identification number of 8 is added, and the identification number is also added to the release signal KS, and the abnormality handling processing of the corresponding portable wireless device is released from this identification number.

Further, the abnormal alarm signal transmitting section 38 receives the first abnormal occurrence signal S3 from the subscriber abnormality judging section 36 and causes the control section 20 to generate an abnormal alarm sound on the transmission display section of the portable radio device 18. An abnormal alarm signal AS is sent. The control unit 20 adds the abnormality alarm signal AS to the first abnormality occurrence signal S3 and sends it.

On the other hand, the automatic position registration discriminating unit 30 receives a signal transmitted from the portable radio 18 at regular intervals as the position registration signal IS from the control unit 20, discriminates the position from the position registration signal IS, and joins. The position information is output to the person data unit 32. Here, the portable wireless device 18 transmits a signal (position signal) at regular time intervals, and the position signal is received by the base station 16 in the corresponding reception zone and sent to the control unit 20 via the exchange 14. It is output and further output from the control unit 20 to the automatic position registration determination unit 30 as a position registration signal IS. The automatic position registration discriminating unit 30 discriminates the position from the identification number of the portable wireless device 18 attached to the position signal and the received number of the base station 16. That is, the subscriber is discriminated by the identification number of the portable wireless device 18, the control unit 20 detects the received base station 16, and the position of the corresponding subscriber is discriminated by the number.

The subscriber data unit 32 registers the current position and time of the portable wireless device 18 from the position information from the automatic position registration determination unit 30, and the state of the portable wireless device 18 (in the zone where communication is possible). It is a storage unit that stores basic data such as whether or not, whether or not it is in a transmission / reception state, and whether or not a call is currently being made. In addition, the subscriber who has registered the current position etc. has an alarm service function. It also determines whether or not the subscriber is a registered subscriber. Here, the registered subscriber who receives the abnormality alarm service function is a person who has been registered in advance and is allowed to have a portable wireless device which is a target of the safety management transmission / reception method of the present embodiment. Therefore, the registered subscriber name that receives the abnormal alarm service function is registered and stored in advance in the subscriber data section 32, and the subscriber who registered the current location and the like by referring to this registered subscriber name is the registered subscriber. It is determined whether or not there is. In addition, the subscriber data section 32 includes
Not only the registered subscriber name but also emergency contact information (registered contact information such as a telephone number) are stored in advance.

The subscriber history registration section 34 is provided in the subscriber data section 32 and is determined to be a registered subscriber.
This is a storage unit for registering and storing data such as position information and call operation information as a history. Here, the stored history is used when an abnormality occurs.

The voice transmitting section 40 is a subscriber abnormality judging section 36.
When the second abnormality occurrence signal S4 is received from the control unit 20, a voice signal for notifying the occurrence of an emergency is output to the control unit 20. Then, the control unit 20 automatically dials the registered contact information read from the subscriber data unit 32 and sends a ring back tone, and when the receiver of the registered contact address goes off-hook, the above-mentioned voice signal is sent. Is output.

Next, the control unit 20 will be specifically described. When the safety inquiry signal S1 is received from the safety inquiry signal sending unit 24, the first processing operation of the control unit 20 is to output the safety inquiry signal S1 to all the base stations 16 via the exchange 14. . After this, the safety inquiry signal S1 is transmitted from the base station 16 to the portable radio device 18. In addition, the portable wireless device 18 has a safety inquiry signal S1.
When it receives, it normally sounds an alarm sound and flashes normally.

In the second processing operation of the control unit 20, the safety response signal S2 from the portable radio 18 is received via the base station 16 and the exchange 14, and the safety response signal S2 is received by the safety response signal discriminating unit 26. To be sent to. In addition, the position registration signal IS from the portable wireless device 18 is transmitted to the base station 16 and the exchange 14.
The position registration signal IS is received through the automatic position registration discriminator 30.

The third processing operation of the control section 20 receives the first abnormality occurrence signal S3 from the subscriber abnormality determination section 36, and the corresponding portable radio 1 through the switch 14 and the base station 16.
8 is to be transmitted.

The fourth processing operation of the control unit 20 receives the abnormal alarm signal AS from the abnormal alarm signal transmitting unit 38, adds it to the first abnormal occurrence signal S3, and applies it through the exchange 14 and the base station 16. To the portable wireless device 18 In addition, the portable radio 18 uses the first abnormality occurrence signal S3.
Upon receipt of (including the abnormal alarm signal AS), an abnormal alarm sound is sounded and blinking light emission is carried out in the event of an abnormality.

The fifth processing operation of the control section 20 is to receive the second abnormality occurrence signal S4 from the subscriber abnormality determination section 36, read the relevant history data in the subscriber history registration section 34, and send it together with a message indicating the occurrence of an abnormal situation. Output to the maintenance terminal 22 of the management station 10. As a result, the history data of the subscriber having the abnormal situation is displayed on the maintenance terminal 22.

The sixth processing operation of the control unit 20 is triggered by the reception of the second abnormality occurrence signal S4, and the second abnormality occurrence signal S
The registered contact information (telephone number) of the emergency subscriber is read out from the subscriber data section 32 by the identification number attached to 4, and the exchange 14 is further controlled to perform automatic dialing and voice transmission. The voice signal received from the unit 40 is automatically transmitted when the receiver of the registered contact goes off hook.

When the cancellation signal KS is received from the subscriber abnormality discriminating unit 38, the seventh processing operation of the control unit 20 is that the identification number of the portable wireless device added to the cancellation signal KS indicates the corresponding portable wireless device. A message "safety has been confirmed" is output to the maintenance terminal 22 for the subscriber who is the owner, and all the abnormality handling processing for the subscriber is cancelled.

Next, the basic operation of the safety management transmission / reception method of this embodiment will be described with reference to FIG. FIG. 2 is a flowchart of the safety management transmission / reception method. First, the safety inquiry processing as the first function of the present embodiment will be described. The safety inquiry signal transmission unit 24 sends a signal from the safety inquiry signal transmission unit 24 to the control unit 20 by a timing signal issued from the first timer counter 28a at every specific time t0. The safety inquiry signal S1 is transmitted (101). Then, from the control unit 20 to the exchanger 14
Also, the safety inquiry signal S1 is transmitted to the portable wireless device 18 via the base station 16. At this time, the second timer counter 28b starts counting (102).

Next, the process proceeds to the abnormality occurrence confirmation processing as the second function of this embodiment, and the control unit 20 sends the safety response signal S2.
Is received (103), and the safety response signal determination unit 26 is further received.
Then, it is judged whether or not the reception is within the time t1 (104). When there are a plurality of portable radios 18, the identification number of each portable radio attached to the safety response signal S2 identifies which portable radio 18 the safety response signal S2 came from. It is like this.

Here, if the safety response signal S2 is received within the time t1, the safety response signal discriminating unit 26 makes the second
The clear signal CL1 is output to the timer counter 28b of (1) to clear the second timer counter 28b (105), and the process 101 is returned to. If the safety response signal S2 is not received within the time t1, it is judged from the subscriber data section 32 whether the portable wireless device 18 is normal (106). That is, it is confirmed from the state of the portable wireless device 18 stored in the subscriber data unit 32 that the mobile phone 18 is not in a call, out of the zone, switched off, etc., and if normal, the third function of the present embodiment. The process moves to the first abnormality handling process (107). If the portable wireless device 18 is in a call, the process proceeds to step 105.

Next, the first function as the third function of this embodiment will be described.
The abnormality handling process of is specifically described with reference to FIG. FIG. 3 is a flowchart of the first abnormality handling processing. As shown in FIG. 3, the first abnormality handling processing is as follows.
If the safety response signal S2 is not received within the time t1, the non-response signal MS is output from the safety response signal discriminating unit 26 to the subscriber abnormality discriminating unit 36 (201), and at the same time, the third time counter 28c starts counting. (202).

Upon receipt of the unacknowledged signal MS, the subscriber abnormality discriminating section 36 outputs the first abnormality occurrence signal S3 to the control section 2.
0 and output to the abnormal alarm signal transmitter 38 (203),
Upon receipt of the first abnormality occurrence signal S3, the abnormality alarm signal sending section 38 outputs the abnormality alarm signal AS to the control section 20 (204), and the control section 20 adds the abnormality alarm signal AS to the first abnormality occurrence signal S3. And transmits it to the portable wireless device 18 via the exchange 14 and the base station 16 (205).
This causes the portable wireless device 18 to generate an abnormal alarm sound or abnormal blinking light instead of the normal alarm sound or the normal blinking light emission, and the surroundings of the owner of the portable wireless device 18 which has not responded within the predetermined time t1. Can be made aware of the abnormal occurrence.

When the first abnormality handling processing (107) is completed, as shown in FIG. 1, it is judged whether or not the safety response signal S2 is received within the time t2 counted by the second time counter 28c. It is judged by the part 26 (10
8) When the safety response signal S2 is received within the time t2, the safety response signal determination unit 26 outputs the clear signal CL2 to the third timer counter 28c to clear the third timer counter 28c (109 ), And returns to processing 101.
If the safety response signal S2 is not received within the time t2, the process moves to the second abnormality handling process as the fourth function of this embodiment (110).

Next, the second function as the fourth function of the present embodiment.
The abnormality handling process of is specifically described with reference to FIG. FIG. 4 is a flowchart of the second abnormality handling processing. This second abnormality handling processing is, as shown in FIG.
If the safety response signal S2 is not received within the time t2, the third
The count end signal TS3 is output from the time counter 28c to the subscriber abnormality determining unit 36 (301), and the subscriber abnormality determining unit 36 that has received the count end signal TS3
The second abnormality occurrence signal S4 is output to the control unit 20 and the voice transmission unit 40 (302).

When the control section 20 receives the second abnormality occurrence signal S4, the control section 20 executes the following two processes. First, information (subscriber information) such as the location history and call history of the subscriber to whom the safety response signal S2 has not been sent from the subscriber history registration unit 34 is read (303), and the management station 10 is maintained. This subscriber information is output to the terminal 22 together with the abnormal situation occurrence message (304). This allows
On the maintenance terminal 22, it is possible to display the occurrence of an abnormal situation and to refer to the subscriber information (information such as location history and call history) of the subscriber who has not responded. Secondly, the telephone number of the emergency contact is read from the subscriber data section 32 and automatically dialed (305). Then, when the receiver of the emergency contact goes off-hook and the communication line is connected, a voice signal notifying the emergency is output from the voice transmitting unit 40 (30
6). As a result, the other party of the emergency contact can recognize the occurrence of the emergency as a voice.

When the owner of the portable radio 18 in an abnormal situation sends out the safety response signal S2 in order to avoid the abnormal situation, the safety response signal S2 is sent to the safety response signal discriminating unit 2
6 determines that the clear signal CL is sent to the subscriber abnormality determination unit 36.
3 is sent out, and the subscriber abnormality determination unit 36 further controls the control unit 20.
A cancellation signal KS is outputted to the maintenance terminal 22 to display a message "safety has been confirmed" on the maintenance terminal 22, and all the abnormal processing for the corresponding subscriber is canceled.

According to the safety management transmission / reception method and the safety management transmission / reception device of the present embodiment, when an abnormal state occurs, first, as the first abnormality response processing, the corresponding portable radio 1
Notify the surroundings of 8 with an alarm sound, and
Next, as the second abnormality handling processing, the maintenance terminal 22 of the management station 10
Since it is possible to display the information of the subscriber in which the abnormality has occurred, it is possible to take prompt emergency measures at both the site and the management station side.

Furthermore, it is possible to automatically dial an emergency contact other than the management station 10 that has been registered in advance to notify the occurrence of an emergency by voice. This has the effect of promptly recognizing the person and promptly taking emergency measures.

In this way, it is possible to rescue workers in a wide range of areas and carry out dangerous operations more quickly in emergency situations. There is an effect that improvement can be achieved.

[0058]

According to the first aspect of the present invention, the safety inquiry signal is transmitted at every constant time t0, and the safety response signal responsive to the safety inquiry signal is not received from the portable radio device within the time t1. Then, if the first abnormal occurrence signal notifying the abnormal occurrence is transmitted to the portable wireless device that has not responded yet and the safety response signal is not received within the time t2, it is considered that an abnormal situation has occurred and the message indicating the abnormal situation has occurred. The safety management transmission / reception method that displays the position history and call history information regarding the portable wireless device of the response on the management station side, so that the occurrence of an abnormal situation can be detected promptly without human intervention There is an effect that can be dealt with.

According to the second aspect of the present invention, at the same time as the second abnormality handling step, the pre-registered emergency contact is automatically dialed, and when the call becomes available, a voice signal for notifying the occurrence of the abnormality is transmitted to the emergency contact. Since the safety management transmission / reception method according to claim 1 is employed, it is possible to promptly contact the emergency contact when an abnormal situation occurs and to promptly deal with the abnormal situation.

According to the third aspect of the invention, the fixed time t
When a safety inquiry signal is transmitted from the safety inquiry signal transmission unit every 0, and the safety response signal determination unit determines that the safety response signal responsive to the safety inquiry signal is not received from the portable wireless device within the time t1, The first anomaly occurrence signal sending unit sends a first anomaly occurrence signal to the portable wireless device that has not responded yet, and the second anomaly occurrence signal sending unit controls if a safety response signal is not received within time t2. A second abnormality occurrence signal to the control unit, and the control unit receives the second abnormality occurrence signal to register the history of position history and call history information regarding the unresponsive mobile wireless device as an abnormal situation. Since it is a safety management transmission / reception device that is read from the department and displayed on the maintenance terminal of the management station together with the message of the abnormal situation occurrence, the occurrence of the abnormal situation can be detected quickly without the need for human intervention. There is an effect that can quickly deal.

According to the fourth aspect of the invention, when the control section receives the second abnormality occurrence signal, the emergency contact information of the portable radio is read out from the subscriber information registration section and automatically dialed to enable the call. The safety management transmission / reception device according to claim 3, wherein a voice signal notifying the occurrence of an abnormality is transmitted from the voice transmitting unit to the emergency contact, so that the emergency contact can be contacted promptly in the event of an abnormal situation, and the emergency situation can be promptly notified. There is an effect that can be dealt with.

[Brief description of drawings]

FIG. 1 is a configuration block diagram of a safety management transmission / reception system according to an embodiment of the present invention.

FIG. 2 is a flowchart showing a safety management transmission / reception method of this embodiment.

FIG. 3 is a flow chart showing a first abnormality handling processing of the present embodiment.

FIG. 4 is a flowchart showing a second abnormality handling processing of the present embodiment.

FIG. 5 is an explanatory diagram showing an example of a conventional safety management transmission / reception system.

[Explanation of symbols]

10 ... Management station, 12 ... Transceiver, 14 ... Exchanger,
16 ... Base station, 18 ... Portable radio device, 20 ... Control part, 24 ... Safety inquiry signal sending part, 26 ... Safety response signal discriminating part, 28 ... Time counter, 32 ... Subscriber data part, 34 ... Subscriber history Registration unit, 36 ... Subscriber abnormality determination unit, 38 ... Abnormal alarm signal transmission unit, 40
... Voice transmitter, S1 ... Safety inquiry signal, S2 ... Safety response signal, S3 ... First abnormality occurrence signal, S4 ... Second abnormality occurrence signal, TS1 ... Timing signal, TS2, TS3
… Count end signal, CL1, CL2, CL3… Clear signal, MS… Unresponsive signal, KS… Release signal, AS…
Abnormal alarm signal, IS ... position registration signal

Claims (4)

[Claims] 1. A safety management transmission / reception method, wherein communication between a management station and a portable wireless device is performed by a base station, an exchange, and a control unit to manage the safety of the owner of the portable wireless device. , The controller transmits to the portable wireless device for a fixed time t
An inquiring step of transmitting a safety inquiry signal every 0, a safety response determining step of determining whether or not a safety response signal in response to the safety inquiry signal from the portable wireless device is received within a specific time t1, A first abnormality handling step of transmitting a first abnormality occurrence signal to the portable radio to notify the abnormality occurrence when the safety inquiry signal is not received within time t1, and the transmission of the first abnormality occurrence signal. Second abnormality handling step of displaying a message of occurrence of an abnormal situation and information on the position history and call history of the portable wireless device on the management station side when the safety response signal is not received within a specific time t2 from A safety management transmission / reception method comprising: 2. Simultaneously with the second abnormality handling step, an emergency contact address of a portable wireless device registered in advance is automatically dialed, and a voice is generated to inform the emergency contact address when an error occurs. The safety management transmission / reception method according to claim 1, further comprising an abnormality handling step of transmitting a voice signal to the emergency contact. 3. A safety management transmission / reception device for managing communication between a management station and a portable wireless device by a base station, an exchange, and a control unit to manage the safety of the owner of the portable wireless device. , A safety inquiry signal transmitting section for transmitting a safety inquiry signal to the portable radio at fixed time intervals t0 and a safety response signal in response to the safety inquiry signal from the portable radio for a specific time t1. A safety response signal discriminating unit for discriminating whether or not it has been received, and a first abnormality occurrence signal for notifying the occurrence of abnormality if the safety inquiry signal is not received within the time t1 to the portable radio device. A first abnormality occurrence signal sending unit and a second abnormality occurrence signal which outputs a second abnormality occurrence signal to the control unit when the safety response signal is not received within a specific time t2 from the transmission of the first abnormality occurrence signal. Signal transmitter A history registration unit that stores information on the position history and call history of the portable radio displayed on the maintenance terminal installed in the management station, and when the control unit receives the second abnormality occurrence signal, A safety management transmission / reception device, which is a control unit that operates so as to read the position history and call history information of the portable wireless device from a history registration unit and output the information together with a message indicating that an abnormal situation has occurred to the maintenance terminal. 4. The control unit is provided with a voice transmitting unit for transmitting a voice signal for emitting a voice notifying the occurrence of an abnormality, and a subscriber information registering unit for registering information of emergency contact information of a portable radio, and the control is provided. When the section receives the second abnormality occurrence signal, it reads the emergency contact information of the portable radio from the subscriber information registration section and automatically dials it, and when the call becomes available, the voice signal from the voice transmission section is sent. The safety management transmission / reception device according to claim 3, wherein the safety management transmission / reception device is a control unit that operates to transmit to the emergency contact.