JP6696606B2 - Care support system, care support method and program - Google Patents

Description

  The present invention relates to a care support system, a care support method, and a program suitable for use in a care facility or the like.

  In Japan, the declining birthrate and aging population are rapidly advancing due to an increase in the average life expectancy of the people and a decrease in the birth rate. Along with this, the number of hospitals and welfare facilities for the elderly, which accommodate people who need nursing care (care recipients), is increasing, but due to the harsh working conditions, the nurses and caregivers are chronically lacking in manpower. It has caused a serious situation that there is no. Especially at night, a large number of people needing care need to be watched by a small number of people, which increases the burden on caregivers and the like, which is one of the causes of further labor shortage.

  In order to reduce the burden on such caregivers, there is a demand for technology that supports nursing care work. As an example, various techniques have been developed to monitor a nursing person in order to cause a machine to perform a part of the work of a caregiver or the like.

  In Patent Document 1, when the abnormality detection device detects an abnormality in a monitoring target such as a care recipient, an image of the monitoring target is captured, and the image data of the monitoring target is sent to an external terminal via a net or the like. Is disclosed to allow an external person to recognize the current status of the monitoring target.

JP, 2005-253025, A

  By the way, when a care-requiring person who is alone in the living room falls, for example, from the bed or falls and falls, there is a risk of injury, so that the caregiver or the like needs to deal with it as soon as possible. On the other hand, if the care-requiring person just gets up from the bed, there is no fear of injury immediately, and thus it is often unnecessary to promptly take care of the caregiver. Moreover, the state in which the person needs to deal with the problem as promptly as possible differs depending on the care recipient.

  However, in the technique disclosed in Patent Document 1, when the sensor senses the motion of the care-requiring person, the caregiver or the like has to check all the images in order to immediately transmit the images to the outside. When one caregiver is in charge of a large number of care recipients, for example, if the confirmation is performed in the order in which the image data is received, there is a risk that the care recipients who should be dealt with as soon as possible will be postponed. is there.

  In addition, the transmission of a large amount of image data over the internet will increase the amount of data communication, causing traffic congestion on the internet, which may further delay the treatment of the care recipient who should be treated as soon as possible. is there. Further, in order to respect the privacy of the care recipient, there is also a request that the transmission of the image data of the care recipient should be suppressed as much as possible unless necessary.

  The present invention has been made in view of the above circumstances, and an object thereof is to provide a care support system, a care support method, and a program that can appropriately watch over a target person while reducing the burden on a caregiver, for example. To do.

In order to achieve at least one of the above-mentioned objects, a care support system that reflects one aspect of the present invention includes a detection unit that detects any one of a plurality of types of states of a target person, and the detection unit. In a care support system including: a first transmitting unit that transmits a first notification signal indicating the state of the target person detected by the unit; and a second transmitting unit that transmits the image data stored in the storage unit . The image data is moving image data, and the storage unit stores the image data captured when any one of a plurality of states of the subject is detected by the detection unit, When the state of the target person detected by the detection unit corresponds to a predetermined state preset in association with the target person among the plurality of types of states , the state indicating the state of the target person is displayed. And a control unit for transmitting the notification signal No. 2 .

  According to the present invention, it is possible to provide a care support system capable of appropriately watching over a target person while reducing the burden on a caregiver or the like.

It is a figure which shows the whole structure of the care support system in this embodiment. It is a figure which shows the structure of the sensor box in the care support system of this embodiment. It is a figure which shows the structure of the management server in the care support system of this embodiment. It is a figure which shows the structure of the portable terminal in the care support system of this embodiment. It is a figure which shows the structure of the transmission destination information table in the care support system of this embodiment. It is a ladder chart figure which shows operation | movement in the care support system of this embodiment. It is a ladder chart figure which shows another operation | movement in the care support system of this embodiment. It is a figure which shows the example of the display screen of the portable terminal of this embodiment. It is a figure which shows the example of the display screen of the portable terminal concerning a modification. It is a figure which shows the example of the display screen of the portable terminal concerning another modification.

  Hereinafter, embodiments according to the present invention will be described with reference to the drawings. FIG. 1 is a diagram showing an overall configuration of a care support system according to the present embodiment. FIG. 2 is a diagram showing the configuration of the sensor box in the care support system of this embodiment. FIG. 3 is a diagram showing the configuration of the management server in the care support system of this embodiment. FIG. 4 is a diagram showing a configuration of a mobile terminal in the care support system of the present embodiment. FIG. 5: is a figure which shows the structure of the transmission destination information table in the care support system of this embodiment. In the present specification, “nursing” is a concept including “nursing”.

  The care support system in the present embodiment supports the care by watching the target person Ob by detecting the state of the monitored person (hereinafter referred to as the target person) Ob that is the monitoring target by the corresponding sensor box SB. It has a function.

  Such a care support system MS is, for example, as shown in FIG. 1, a sensor box SB (SB-1 to SB-4) provided in a room of a target person, a management server SV, and a fixed terminal device SP. And a mobile terminal TA (TA-1, TA-2) managed by a caregiver, which are wired or wireless, and are networks such as a LAN (Local Area Network), a telephone network and a data communication network ( A network and a communication line) are communicably connected via a NW. The network NW may be equipped with repeaters such as repeaters, bridges, routers, and cross-connects that relay communication signals. In the example shown in FIG. 1, the plurality of sensor boxes SB-1 to SB-4, the management server SV, the fixed terminal device SP, and the plurality of mobile terminals TA-1 and TA-2 are wireless LAN (including an access point AP). For example, they are communicatively connected to each other by a NW (LAN etc. conforming to the IEEE 802.11 standard). The sensor box SB corresponds to an example of a sensor device, and each of the fixed terminal device SP and the mobile terminal TA corresponds to an example of a terminal.

  The target person Ob is, for example, a person who needs nursing due to illness or injury, a person who needs nursing care due to deterioration of physical ability, or a single person living alone. In particular, from the viewpoint of enabling early detection and early coping, it is preferable that the target person Ob is a person who needs the discovery when a predetermined inconvenient event such as an abnormal state occurs in the person. .. Therefore, the care support system MS is suitably installed in a building such as a hospital, a welfare facility for the aged, and a dwelling unit according to the type of the target person Ob. In the example illustrated in FIG. 1, the care support system MS is arranged in a building of a care facility including a plurality of living rooms RM in which a plurality of target persons Ob live and a plurality of rooms such as a nurse station ST.

  First, the sensor box SB will be described. The sensor box SB is arranged on the ceiling or wall of the room RM of the target person Ob, and has a communication function of communicating with the management server SV or the like via the network NW. More specifically, as shown in FIG. 2, the sensor box SB includes a sensor unit 11, an SB sound input / output unit 12, a nurse call input unit 13, an SB control processing unit 14, and an SB communication IF unit 15. , SB storage unit 16.

  The sensor unit 11 is a device that is connected to the SB control processing unit 14 and detects the state of the target person Ob according to the control of the SB control processing unit 14 and outputs corresponding state data. In the present embodiment, the state of the target person Ob is wake-up, leaving the bed, falling, falling, and slight body movement abnormality, and the sensor unit 11 detects the Doppler sensor 111 and the like, for example. , A camera 112.

  The Doppler sensor 111 is a body motion sensor that transmits a transmission wave, receives a reflection wave of the transmission wave reflected by an object, and outputs a Doppler signal of a Doppler frequency component based on the transmission wave and the reflection wave. .. When the object is moving, the frequency of the reflected wave is shifted in proportion to the moving speed of the object due to the so-called Doppler effect, the difference between the frequency of the transmitted wave and the frequency of the reflected wave (Doppler frequency component) Occurs. The Doppler sensor 111 generates a signal of this Doppler frequency component as a Doppler signal and outputs it to the SB control processing unit 14. The transmission wave may be an ultrasonic wave, a microwave, or the like, but is a microwave in the present embodiment. Since the microwave can pass through the clothes and be reflected on the body surface of the subject Ob, the movement of the body surface can be detected even when the subject Ob is wearing clothes, which is preferable.

  The camera 112 is a device that is connected to the SB control processing unit 14 and generates an image (image data) under the control of the SB control processing unit 14. The camera 112 is arranged so as to be able to monitor the space (the space in the living room RM in the example shown in FIG. 1) where the target Ob to be monitored is located, and images the space from above as an imaging target, An image (image data) of a bird's eye view of the imaging target is generated, and the image of the imaging target is output to the SB control processing unit 14. Preferably, since there is a high probability that the entire object person Ob can be imaged, the camera 112 is set in advance in which the head of the object person Ob is supposed to be located in the bedding (eg, bed) on which the object person Ob lies down. It is arranged so as to be able to image the object to be imaged from directly above the planned head position (usually the position where the pillow is arranged). The sensor box SB uses the camera 112 of the sensor unit 11 to acquire an image of the target person Ob captured from above the target person Ob, preferably an image captured directly above the planned head position.

The camera 112 as described above may be a device that generates an image of visible light, but in the present embodiment, it has a function of generating an infrared image so that the target person Ob can be monitored even in a relatively dark place. Such a camera 112 is, for example, in the present embodiment, an imaging optical system that forms an infrared optical image of an imaging target on a predetermined imaging surface, and a light receiving surface is arranged so as to match the imaging surface. And an image sensor that converts an infrared optical image of the imaging target into an electrical signal, and image data that is data representing an infrared image of the imaging target by performing image processing on the output of the image sensor. It is a digital infrared camera including an image processing unit for generating the image.
In the present embodiment, the imaging optical system of the camera 112 is preferably a wide-angle optical system (so-called wide-angle lens (including a fisheye lens)) having an angle of view capable of capturing the entire living room RM of the target person Ob. Further, an infrared illuminating device that illuminates the space with infrared light may be further provided.

  The SB sound input / output unit 12 is a circuit that is connected to the SB control processing unit 14 and that acquires an external sound and inputs it to the sensor box SB. Is generated and output. The SB sound input / output unit 12 is configured to include, for example, a microphone that converts acoustic vibration of sound into an electric signal, a speaker that converts electric signal of sound into acoustic vibration of sound, and the like. The SB sound input / output unit 12 outputs an electric signal representing an external sound to the SB control processing unit 14, and also converts the electric signal input from the SB control processing unit 14 into acoustic vibration of the sound and outputs the acoustic vibration. It is preferable that the SB sound input / output unit 12 can be separated from the main body of the sensor box SB, be connected to the SB control processing unit 14 wirelessly or by wire, and be placed in any place in the living room. Further, when the SB sound input / output unit 12 is wirelessly connected to the SB control processing unit 14, it is preferable to provide a device for monitoring the remaining battery level in the SB sound input / output unit 12 and notifying the operator or the like. When the SB sound input / output unit 12 is connected to the SB control processing unit 14 by wire, it is preferable to provide a device for informing the operator or the like of whether or not the proper connection is made.

  The nurse call input unit 13 is a push-button switch or the like connected to the SB control processing unit 14. When the resident wants to make a nurse call, when the nurse call input unit 13 is input and operated, an electric signal indicating that the nurse call has been accepted is output from the nurse call input unit 13 to the SB control processing unit 14, thereby providing care. The signal is transmitted to the mobile terminal TA such as a technician. At this time, it is preferable to know that the signal is being transmitted, for example, by turning on the lamp attached to the nurse call input unit 13.

  The SB communication IF unit 15 is a communication circuit that is connected to the SB control processing unit 14 and performs communication under the control of the SB control processing unit 14. The SB communication IF unit 15 generates a communication signal containing the data to be transferred, which is input from the SB control processing unit 14, according to the communication protocol used in the network NW of the care support system MS, and the generated communication signal. It is transmitted to the management server SV or the like via the network NW. In addition, the SB communication IF unit 15 receives a communication signal from the management server SV or the like via the network NW, extracts data from the received communication signal, and the SB control processing unit 14 can process the extracted data. Data and output to the SB control processing unit 14. The SB communication IF unit 15 further uses, for example, a mobile phone communication network, a WiFi standard, a Bluetooth (registered trademark) standard, an IrDA (Infrared Data Association) standard, a USB (Universal Serial Bus) standard, and the like, and an external device. An interface circuit that inputs and outputs data to and from the device may be provided.

  The SB storage unit 16 is a circuit that is connected to the SB control processing unit 14 and stores various programs and various data under the control of the SB control processing unit 14. The various programs include, for example, a control processing program such as a monitoring processing program that executes information processing regarding monitoring of the target person Ob. The monitoring processing program includes a notification processing program for notifying the outside when a predetermined event occurs, and an image (moving image) captured by the camera 112, a fixed terminal device SP or a mobile terminal TA that requests the image. And a nurse call processing program for making a voice call with the fixed terminal device SP or the mobile terminal TA by using the SB sound input / output unit 12 and the like. The various data include moving image data captured by the camera 112, state data such as microscopic body movement data acquired by the Doppler sensor 111, data necessary for executing each program, and the target person Ob. It includes data necessary for monitoring. The SB storage unit 16 includes, for example, a ROM (Read Only Memory) which is a non-volatile storage element, and an EEPROM (Electrically Erasable Programmable Read Only Memory) which is a rewritable non-volatile storage element. The SB storage unit 16 includes a RAM (Random Access Memory) that serves as a working memory of the so-called SB control processing unit 14 that stores data and the like generated during execution of the program.

  The SB control processing unit 14 is a circuit for accepting a nurse call, generating a moving image, and detecting a preset predetermined action of the target person Ob. The SB control processing unit 14 includes, for example, a CPU (Central Processing Unit) and its peripheral circuits. The SB control processing unit 14 causes the sensor control unit (SB control unit) 141, the behavior detection processing unit 142, the notification processing unit 143, the streaming processing unit 144, and the nurse call processing unit 145 to be executed by executing the control processing program. Be functionally equipped.

  The SB control unit 141 controls the entire control of the sensor box SB.

  The action detection processing unit 142 detects a preset predetermined event in the target person Ob based on the output of the sensor unit 11. In the present embodiment, as described above, the predetermined event is wakeup, leaving the bed, falling, falling, and anomalous body movement of the target person Ob, and the action detection processing unit 142 is based on the output of the sensor unit 11. Waking up, leaving the bed, falling, falling, and abnormal body movements of the target person Ob are detected as events and notified to the notification processing unit 143. The action detection processing unit 142 can separately detect the rising of the target person Ob, the leaving of the bed, the fall, the fall, and the small body movement abnormality based on the output of the sensor unit 11. For example, the behavior detection processing unit 142 extracts a moving body region as a human body region of the target person Ob from the image acquired by the camera 112 of the sensor unit 11, and determines the posture of the target person Ob (for example, standing up from the aspect ratio of the extracted moving body region). Position, sitting position, recumbency, etc.), the position of the detected moving body region is detected, and based on these judgments and the detected posture and position of the target person Ob, whether to wake up, leave the bed, fall, or fall is determined. .. In addition, the action detection processing unit 142, when detecting the transition from the recumbent posture to the sitting posture in the bed area, determines that the user is awake and determines that an event of awakening (wakeup event) has occurred. Further, when the action detection processing unit 142 detects the transition from the sitting position to the standing position from inside the bed area to outside the bed area, it determines that the person is out of bed and determines that an event of leaving the bed (leaving event) has occurred. In addition, the behavior detection processing unit 142 determines that a fall has occurred and a fall event (fall event) has occurred when it is a transition from the inside of the bed area to the outside of the bed area and a recumbent posture outside the bed area is detected. to decide. Further, for example, when the behavior detection processing unit 142 detects the shift from the sitting posture or the standing posture to the recumbent posture outside the bed area, the behavior detection processing unit 142 determines that the subject is a fall and determines that a fall event (fall event) has occurred. Further, the action detection processing unit 142 detects the body movement of the chest (up and down movement of the chest) associated with the breathing movement of the target person Ob by the Doppler sensor 111 of the sensor unit 11, and the disturbance of the cycle in the body movement of the chest or the advance. When the amplitude of the body movement of the chest that is less than or equal to the set threshold value is detected, it is determined that the fine body movement abnormality has occurred, and it is determined that the event of the fine body movement abnormality (fine body movement abnormality event) has occurred. The behavior detection processing unit 142 has a function of making a judgment based on the stored daily behavior of the subject, and when the behavior is different from the stored normal behavior, or the behavior due to the stored dementia or the like is taken. For example, when it is determined that an abnormal event has occurred, the portable terminal TA may be notified as described later. In addition, it is preferable that the determination standard (determination algorithm) of the action detection processing unit 142 is unified for all the sensor boxes SB. As a result, even if the resident changes, there is no need to change the judgment criteria, which saves time and effort. However, the determination criteria of the action detection processing unit 142 may be customized for each sensor box SB.

  When the nurse call input unit 13 receives an input operation, the nurse call processing unit 145 notifies the notification processing unit 143 of an event, more specifically, a nurse call operation (nurse call event). Then, the nurse call processing unit 145 enables a voice call with the fixed terminal device SP or the mobile terminal TA via the SB communication IF unit 15 and the network NW.

  The notification processing unit 143 includes a nurse call event by the nurse call input unit 13 and a predetermined event in which the sensor unit 11 detects a predetermined behavior of the target person Ob (in the present embodiment, each event of getting up, leaving the bed, falling, and falling). ) Occurs in the sensor box SB, it notifies the outside. More specifically, the notification processing unit 143 identifies information indicating the type of event that has occurred (a nurse call event in the present embodiment, or a predetermined detection event (wake up, leaving bed, fall, fall, and small body movement abnormality). Information, that is, information indicating a type by classifying a predetermined state) and identifier information for identifying and identifying the sensor box SB detecting the target person Ob is generated, and SB notification is generated. When the request is transmitted from outside (transmission of a status data request signal) from the IF section 15 to the management server SV via the network NW, the notification processing section 143 uses the communication signal containing the status data such as image data. Is generated and transmitted from the SB communication IF unit 15 to the management server SV via the network NW.

  Although not used in the operation of the ladder chart to be described later, the streaming processing unit 144 receives a streaming video distribution request from the fixed terminal device SP or the mobile terminal TA via the network NW and SB communication IF unit 15. , Which delivers a moving image (for example, a live moving image) generated by the camera 112 of the sensor unit 11 to the requested fixed terminal device SP or portable terminal TA by streaming reproduction via the SB communication IF unit 15 and the network NW. Is.

  In FIG. 1, as an example, four first to fourth sensor boxes SB-1 to SB-4 are shown, and the first sensor box SB-1 is Mr. Ob who is one of the target persons Ob. -1 is installed in the room RM-1, the second sensor box SB-2 is installed in the room RM-2 of Mr. B Ob-2 who is one of the target persons Ob, and the third sensor box SB-3 is installed. Is placed in the room RM-3 of Mr. Ob-3, who is one of the target Ob, and the fourth sensor box SB-4 is the RM of Mr. Ob-4, who is one of the target Ob. -4.

  In such a sensor box SB, when the sensor box SB starts to operate, the sensor unit 11 outputs to the SB control processing unit 14 an image and a Doppler signal generated by imaging the location space from above at a predetermined frame rate. The action detection processing unit 142 of the SB control processing unit 14 detects the presence or absence of a predetermined action in the target person Ob based on these images and the Doppler signal at predetermined time intervals, and detects the predetermined action as a detection event. The notification processing unit 143 is notified of the detection event including the type of the detection event. Upon receiving the notification of the detection event, the notification processing unit 143 transmits a notification signal from the SB communication IF unit 15 to the management server SV.

  Although not used in the ladder chart operation described later, the nurse call processing unit 145 notifies the notification processing unit 143 of a nurse call reception event when the nurse call input unit 13 receives an input operation. Upon receiving the notification of the reception event, the notification processing unit 143 transmits a notification signal from the SB communication IF unit 15 to the management server SV. The management server SV notifies the mobile terminal TA of the caregiver in charge of the room where the nurse call has occurred that the nurse call has occurred.

  Next, the management server SV will be described. In FIG. 1, the management server SV has a communication function of independently communicating with other sensor boxes SB, fixed terminals SP, and mobile terminals TA via the network NW. The management server SV has a function of receiving a notification from the sensor box SB and providing information to the mobile terminal TA and / or the fixed terminal device SP of the caregiver in charge of the room where the event occurred. Such a management server SV includes, for example, as shown in FIG. 3, an SV control processing unit 21, an SV storage unit 22, and an SV communication IF unit 23.

  Like the SB communication IF unit 15, the SV communication IF unit 23 is a communication device that is connected to the SV control processing unit 21 and performs communication under the control of the SV control processing unit 21. The SV communication IF unit 23 generates a communication signal containing the data to be transferred, which is input from the SV control processing unit 21, according to the communication protocol used in the network NW of the care support system MS, and the generated communication signal. It is transmitted to the sensor box SB or the like via the network NW. The SV communication IF unit 23 receives a communication signal from the sensor box SB or the like via the network NW, extracts data from the received communication signal, and outputs the extracted data in a format that can be processed by the SV control processing unit 21. And outputs to the SV control processing unit 21.

  The SV storage unit 22 is a circuit that is connected to the SV control processing unit 21 and stores various programs and various data under the control of the SV control processing unit 21. The various programs include, for example, a control processing program such as a server program that provides the client with data in response to a request from the client (the fixed terminal device SP and the mobile terminal TA in this embodiment). The various data are necessary for monitoring the target person Ob, such as monitoring information about monitoring the target person Ob, notification destination information about the event notification destination, and the like. Data and so on. Like the SB storage unit 16, the SV storage unit 22 includes, for example, a ROM or an EEPROM. The SV storage unit 22 includes a RAM or the like serving as a working memory of a so-called SV control processing unit 21 that stores data and the like generated during execution of the predetermined program.

  The SV storage unit 22 includes a notification destination information storage unit 221 that stores notification destination information. The notification destination information storage unit 221 stores the notification destination information regarding the event notification destination. The notification destination information is information indicating the notification destination to notify the event accommodated in the received notification signal when the notification signal is received from the sensor box SB. In the present embodiment, for example, the notification destination information is information indicating a correspondence relationship between the sensor box SB that is the transmission source of the notification signal and the mobile terminal TA that transmits the notification signal received from the sensor box SB, For example, it is stored in the notification destination information storage unit 221 in a table format as shown in FIG. The notification destination information table 41 shown in FIG. 5 includes a notification source address field 411 for registering the communication address of the sensor box SB which is the sender of the notification signal, and notification event information when the target person is in this state. The notification event field 412 for notifying and the event contained in the notification signal received from the sensor box SB having the communication address that is associated with the communication address of the sensor box SB registered in the notification source address field 411 are notified. A notification destination address field 413 for registering the communication address of the mobile terminal TA is provided, and each sensor box SB has a record. The communication address of the sensor box SB may be the sensor ID, and the notification source address field 411 is not necessarily provided, but if provided, the room number in which the sensor box SB is arranged is registered. Is also good. Further, the communication address of the mobile terminal TA may be a terminal identifier (terminal ID) for identifying and identifying the mobile terminal TA, and the notification destination address field 413 has, for example, a caregiver name having the mobile terminal TA. The name of the observer may be registered. The notification event item (notification event information) in the notification event field 412 can be set from the management server SV side in accordance with the target person OB of the room in which the sensor box SB is installed. In the example of FIG. 5, in the case of Mr. A and Mr. B, notification should be given when a fall or fall event has occurred, and in the case of Mr. C, notification should be given if a fall, fall, or wakeup event has occurred. In the case of Mr. D, this means that a notification should be given if a fall, fall, wake-up, or leaving the bed occurs. For example, the condition of the target person (there are few problems after waking up, there are people who can judge that no treatment is necessary, there are people who do not), past correspondence information (has a habit of leaving and entering the bed several times in the past) Therefore, it is desirable to divide the notification event according to the target person, for the reason that there is a person who can determine that no action is required after leaving the bed once.

  The SV control processing unit 21 is a circuit that receives a notification from the sensor box SB and transfers the received notification to each of the fixed terminal device SP and the corresponding mobile terminal TA. The SV control processing unit 21 is configured to include, for example, a CPU (Central Processing Unit) and its peripheral circuits.

  The SV control unit 211 of the SV control processing unit 21 controls the overall control of the management server SV.

  Note that the management server SV is further connected to the SV control processing unit 21 as necessary and is connected to the SV control processing unit 21, for example, a server input unit (SV input unit) 24 for inputting various commands and various data, as shown in FIG. A server output unit (SV output unit) 25 that outputs various commands and various data input by the SV input unit 24, information regarding monitoring of the target person Ob, and a server that inputs and outputs data to and from an external device. The interface unit (SVIF unit) 26 and the like may be provided. Such a management server SV can be configured by, for example, a computer with a communication function.

  The fixed terminal device SP is installed in the nurse station ST and has a communication function of communicating with the management server SV and the like via the network NW, a display function of displaying predetermined information, and an input for inputting predetermined instructions and data. The user interface of the care support system MS is provided with functions and the like, by inputting predetermined instructions and data to be given to the management server SV and the mobile terminal TA, and by displaying the detection result and image obtained by the sensor box SB. A device that functions as a (UI). Such a fixed terminal device SP can be configured by, for example, a computer with a communication function. It is preferable that the fixed terminal device SP can grasp the state of the living room through the function of the sensor box SB in all the living rooms in which the sensor box SB is installed.

  Next, the mobile terminal TA will be described. The mobile terminal TA has a communication function of communicating with the management server SV or the like via the network NW, a display function of displaying predetermined information, an input function of inputting predetermined instructions or data, and a call function of performing a voice call. A predetermined instruction or data to be provided to the management server SV or the sensor box SB is input, and when the predetermined event occurs in the sensor box SB, the predetermined event is notified and a call is made with the sensor box SB. However, it is a device for displaying a moving image generated by the sensor box SB.

  In the present embodiment, for example, such a mobile terminal TA includes a TA control processing unit 31, a TA storage unit 32, a TA communication IF unit 33, a TA sound input / output unit 34, as shown in FIG. A TA input unit 35, a TA display unit 36, and a TAIF unit 37 are provided.

  The TA sound input / output unit 34 is a device that is connected to the TA control processing unit 31 to acquire an external sound and input the external sound to the mobile terminal TA, and an electric signal representing the sound under the control of the TA control processing unit 31. Is generated and output. Like the SB sound input / output unit 12, the TA sound input / output unit 34 includes, for example, a microphone or the like that converts acoustic vibration into an electric signal, a speaker that converts an electric signal of sound into acoustic vibration of sound, and the like. Composed. The TA sound input / output unit 34 outputs an electric signal representing an external sound to the TA control processing unit 31, and also converts the electric signal input from the TA control processing unit 31 into acoustic vibration of sound and outputs the acoustic vibration.

  The TA input unit 35 is a device that is connected to the TA control processing unit 31 and that receives a predetermined operation and inputs it to the mobile terminal TA, and is a plurality of input switches or the like to which a predetermined function is assigned. The predetermined operation includes, for example, an ID input operation for logging in, a response operation corresponding to a notified nurse call, a moving image request operation, and life saving, nursing, and care for the notified object Ob. It also includes various operations necessary for monitoring, such as input operation indicating that there is an intention to execute support such as assistance (recovery). The TA display unit 36, which is an information presentation unit, is connected to the TA control processing unit 31, and according to the control of the TA control processing unit 31, the predetermined operation content input from the TA input unit 35 and the care support system MS. The device is a device for displaying the monitoring information (for example, an event occurring in the sensor box SB, an image of the target person Ob, etc.) related to the monitoring of the target person Ob being monitored, and a display device such as an LCD and an organic EL display. .. And in this embodiment, the TA input part 35 and the TA display part 36 are comprised from the touch panel. In this case, the TA input unit 35 is a position input device that detects and inputs an operation position, such as a resistance film type or an electrostatic capacitance type. In this touch panel, a position input device is provided on the display surface of the TA display unit 36, and one or more input content candidates that can be input are displayed on the TA display unit 36. For example, a user such as a caregiver (supervisor). However, when the display position displaying the input content to be input is touched, the position is detected by the position input device, and the display content displayed at the detected position is input to the mobile terminal TA as the operation input content of the user.

  The TAIF unit 37 is a device that is connected to the TA control processing unit 31 and inputs / outputs data to / from an external device under the control of the TA control processing unit 31. For example, a mobile phone communication network, a WiFi standard, or Bluetooth. An interface circuit using the (registered trademark) standard, an interface circuit performing infrared communication such as the IrDA standard, and an interface circuit using the USB standard.

  Like the SB communication IF unit 15, the TA communication IF unit 33 is a communication device that is connected to the TA control processing unit 31 and performs communication under the control of the TA control processing unit 31. The TA communication IF unit 33 generates a communication signal containing the data to be transferred, which is input from the TA control processing unit 31, according to the communication protocol used in the network NW of the care support system MS, and the generated communication signal. It is transmitted to the management server SV or the like via the network NW. The TA communication IF unit 33 receives a communication signal from the management server SV or the like via the network NW, extracts data from the received communication signal, and outputs the extracted data in a format that the TA control processing unit 31 can process. To the TA control processing unit 31.

  Like the SB storage unit 16, the TA storage unit 32 is a circuit that is connected to the TA control processing unit 31 and stores various programs and various data under the control of the TA control processing unit 31. The various programs include a display processing program for processing display-related operations. The various data includes each data such as screen information displayed on the TA display unit 36. The TA storage unit 32 includes, for example, a ROM and an EEPROM. The TA storage unit 32 includes a RAM serving as a working memory of a so-called TA control processing unit 31 that stores data and the like generated during execution of the predetermined program. The TA storage unit 32 is functionally provided with a display screen storage unit 321 in order to store the above-mentioned information.

  The display screen storage unit 321 stores screen information to be displayed on the TA display unit 36 according to the control of the display processing unit 3121 described below in the TA control processing unit 31.

  The TA control processing unit 31 is a circuit for processing information. Similar to the SB control processing unit 14, the TA control processing unit 31 includes, for example, a CPU and its peripheral circuits. The TA control processing unit 31 functionally includes the TA control unit 311 and the TA processing unit 312 by executing the control processing program, and the TA processing unit 312 functionally includes the display processing unit 3121.

  The TA control unit 311 controls the mobile terminal TA as a whole.

  The display processing unit 3121 processes the display-related operation of the TA display unit 36. More specifically, the display processing unit 3121 displays a moving image on the TA display unit 36 as needed.

  Such a mobile terminal TA can be configured by a portable communication terminal device such as a so-called tablet computer, smartphone, or mobile phone.

  Next, the operation of the care support system in the embodiment will be described. 6A and 6B are ladder charts showing the operation of the care support system of this embodiment. FIG. 7 is a diagram showing an example of a display screen of the mobile terminal of this embodiment.

  In the care support system MS having such a configuration, when activated, in the sensor box SB, the SB control processing unit 14 causes the SB control processing unit 141, the action detection processing unit 142, and the notification processing by executing the control processing program. The unit 143, the streaming processing unit 144, and the nurse call processing unit 145 are functionally configured, and in the management server SV, the SV control unit 211 is functionally configured in the SV control processing unit 21 by executing the control processing program. Then, in the mobile terminal TA, the TA control processing unit 31 is functionally configured with the TA processing unit 312 and the TA processing unit 312 functionally including the display processing unit 3121 by executing the control processing program. ..

  The operation of the care support system MS will be described, but the nurse call event will be omitted. When the mobile terminal TA receives a login operation from a caregiver or the like, the mobile terminal TA causes the TA processing unit 312 to display a standby screen for waiting for a communication signal addressed to the mobile terminal TA on the TA display unit 36. This standby screen is, for example, as shown in FIG. 7 (a), a menu bar area 611 displaying a menu bar, a message indicating that it is in a standby state (for example, "There is no unsupported notification"), date and current A standby main area 612 that displays the time, the user name (caregiver) who has logged in to the mobile terminal TA, and the like. When such a standby screen is displayed, the TA terminal 311 of the mobile terminal TA waits for the TA communication IF unit 33 to receive a communication signal.

  In step S101 of FIG. 6A, the sensor box SB uses the SB control unit 141 to sample the output data of the Doppler sensor 111 of the sensor unit 11 at a sampling cycle corresponding to a predetermined frame rate and acquire the image data with the camera 112. The action detection processing unit 142 analyzes the sampled and acquired output data of the Doppler sensor 111 and the image data of the camera 112 while storing the data in a ring buffer (not shown). As a result of this analysis, in step S102, when the SB control unit 141 does not detect a predetermined event (wake-up, leaving the bed, falling, falling and abnormal body movement), the flow is returned to step S101 and the detection operation is continued. To do. On the other hand, when the SB control unit 141 detects a predetermined event, the image data and / or the fine body movement data before and after the event is cut out from the ring buffer and stored in the SB storage unit 16 in step S103. Note that, for example, the detection operation of the sensor box SB can be interrupted only during a time period set via the fixed terminal SP. Further, for example, the program in the sensor box SB can be changed via the fixed terminal SP.

  Further, the sensor box SB causes the notification processing unit 143 to transmit event information indicating which type of notification event has occurred and a notification signal including a communication address to the management server SV via the network NW (C11). The notification signal has a small amount of information because it does not include the image data of the subject.

  When such a notification signal is transmitted from the sensor box SB, the management server SV sends the information included in the notification signal to the notification destination information table 41 stored in the notification destination information storage unit 221 in step S104. The resident (Mr. B here) is determined from the communication address of the transmission destination corresponding to the communication address of the transmission source, and the resident (Mr. B) is identified from the event information of the notification signal. It is determined whether it corresponds to the type of the corresponding notification event (here, fall or fall). Then, when the event information of the received notification signal indicates a notification event, it is determined to notify the terminal. On the other hand, when the event information of the received notification signal does not indicate a notification event (in the case of Mr. B, getting up or leaving), it is determined not to notify the terminal, and the next notification signal is waited for.

  When the management server SV determines to notify the terminal, the management server SV collates with the notification destination information table 41 stored in the notification destination information storage unit 221, and from the communication address of the transmission destination corresponding to the communication address of the transmission source, The mobile terminal TA of the transmission destination is selected. More specifically, in the notification destination information table 41 stored in the notification destination information storage unit 221, the notification in the record in which the communication address of the transmission source of the received notification signal is registered in the notification source address field 411. The communication address of the notification destination registered in the destination address field 413 is taken out. For example, when the notification signal from the sensor box SB-2 having the communication address "192.168.10.121" arranged in the RM-2 room is received, the communication address "of the sender of this notification signal" The three communication addresses of the notification destinations registered in the notification destination address field 413 in the record in the second line in which "192.168.10.121" is registered "192.168.10.25" and "192. 168.10.26 "and" 192.168.10.27 "are retrieved. In this example, the communication address “192.168.10.25” is the communication address given to the mobile terminal TA-1 of the caregiver NA, and the communication address “192.168.10.26”. Is a communication address given to the mobile terminal TA-2 of the caregiver NB, and the communication address "192.168.10.27" is the mobile terminal TA-of the caregiver NC who is not shown. 3 is the communication address assigned to the item.

  Then, the management server SV transmits a notification signal (event signal) including information on the fall or fall in the RM-2 room to the selected mobile terminals TA-1 to TA-3 and the fixed terminal SP (C12). ..

  When such a notification signal is transmitted from the management server SV, the mobile terminal TA causes the TA processing unit 312 to switch the screen display of the TA display unit 36 to that shown in FIG. 7B, for example. At this time, the TA sound input / output unit 34 as a presentation unit outputs a sound or a voice (for example, a voice message such as “falling occurs in room RM-2”), or causes a caregiver to vibrate. The reception of the notification signal may be notified.

  In the example shown in FIG. 7B, in the main area 612, the name of the room in which the event occurred (room RM-2, that is, information about the sensor box that sent the notification) and the name of the resident of the room (B) Then, the icon IC1 indicating a fall or a fall (that is, information indicating that an event signal (notification) has been received) and the time difference (0 minutes) between the notification time and the present are displayed (step S105). At the same time, buttons B1 (corresponding), B2 (speaking), B3 (viewing a stored image) and B4 (viewing a live image) are displayed in the main area 612.

  Here, when the caregiver touches the button B3 or B4, the TA input unit 35 of the mobile terminal TA reacts, and in step S106, the TA control unit 311 determines that an image request is made, and the TA communication IF unit A request signal (state data request signal) is transmitted to the management server SV via the network NW (C13). Here, the request signal includes the request type (stored video or live video). The management server SV relays the request signal and transmits it to the target sensor box SB. The request signal may be directly transmitted to the sensor box SB.

  The sensor box SB that has received the request signal determines the request type in the request signal in step S107. When the caregiver touches the button B3, the portable terminal TA outputs a request signal for requesting a stored image, so that the sensor box SB receiving this request via the management server SV requests the stored image. The image data is read from the SB storage unit 16 in step S109 and transmitted from the SB communication IF unit 15 to the management server SV via the network NW (C14). Alternatively, when the caregiver touches the button B4, a request signal requesting a live image is output from the mobile terminal TA, so that the sensor box SB receiving the request via the management server SV requests the live image. It is determined that the live image captured by the camera 112 is encoded in step S108 and transmitted from the SB communication IF unit 15 to the management server SV via the network NW (C14). The live video may be cut out from the ring buffer. The management server SV relays the image data and transmits it to the mobile terminal TA that has transmitted the request signal. The image data may be directly transmitted to the mobile terminal TA.

  The mobile terminal TA that has received the image data switches the screen display of the TA display unit 36 to that shown in FIG. 7C, for example, by the TA processing unit 312. In the example shown in FIG. 7C in which the stored image is requested, the image (image) IMG of Mr. B before and after the fall in the RM-2 room is displayed in the main area 612. The technician can immediately determine whether or not the situation should be dealt with. If the caregiver can touch the button B2 by just looking at the image IMG, the caregiver can directly talk with the caregiver via the SB sound input / output unit 12 of the sensor box SB. You can judge the situation accurately. When a live video is requested, the image displayed on the mobile terminal TA is the current streaming image. In the above example, the notification signal is transmitted to the mobile terminal TA, and / or the notification signal may be transmitted to the fixed terminal SP. The image request can be arbitrarily made regardless of the notification signal.

  When the caregiver who sees the icon IC1 displayed in step S105 is near the RM-2 room where the event occurred, he / she can rush immediately without looking at the image. Therefore, in such a case, by touching the button B1, information indicating that the caregiver directly responds is transmitted to the fixed terminal SP. By touching the button B1, the display corresponding to the notification signal is canceled and the display returns to the display of FIG. 7A in the other mobile terminal TA and / or the fixed terminal SP to which the notification signal is transmitted, or “ It is preferable that the message "caregiver in charge, responding" is displayed.

  On the other hand, the operation shown in FIG. 6B is preferably executed in parallel with the operation shown in FIG. 6A. The image data stored in the SB storage unit 16 of the sensor box SB should be transferred to the large-capacity SV storage unit 22 of the management server SV before the storage capacity thereof is exceeded. , It is desirable to transfer all at once when the internet traffic is free. More specifically, in step S201 of FIG. 6B, the management server SV monitors the current traffic amount and waits until it determines that the traffic amount is low, for example, at night, and when it determines that the traffic amount is low (that is, at a predetermined timing). Then, each sensor box SB is notified of the image data transfer request (transfer request signal) (C21). In addition, when the remaining capacity of the SB storage unit 16 of the sensor box SB is less than the allowable value, a transfer request signal of image data may be transmitted to the management server SV. When the management server SV responds to this, the image data is immediately transferred.

  The sensor box SB that has received the image data transfer request from the management server SV reads the image data from the SB storage unit 16 in step S202 and transfers the image data to the management server SV (C22). At the same time, the image data is erased from the SB storage unit 16. In step S203, the management server SV stores the communication record and image data transmitted from the sensor box SB in the SV storage unit 22 as a log file together with the received date, time, and the like. It is preferable that the items recorded as the log file can be set by the fixed terminal SP as necessary, and the stored log file can be read by the fixed terminal SP as necessary.

  Further, the mobile terminal TA can access the management server SV and read the stored image data of the log file at any timing. For example, when the caregiver specifies Mr. B on the screen shown in FIG. 7B and touches the button B3, the TA input unit 35 of the mobile terminal TA reacts in step S204, and the network NW is accessed from the TA communication IF unit. A request signal (state data request signal) including information about Mr. B is transmitted to the management server SV via (C23). Then, in step S205. The management server SV searches the log file in the SV storage unit 22 from the information of Mr. B included in the request signal, reads the image data of Mr. B taken in the past, and sends it to the mobile terminal TA (C24). .. In step S206, the mobile terminal TA that has received the image data switches the screen display of the TA display unit 36 to that shown in FIG. 7C by the TA processing unit 312. This allows the caregiver to check Mr. B's past images.

  According to the present embodiment, the sensor box SB itself determines that the target person is in the predetermined state based on the image data according to the state of the target person and transmits the notification signal, so that a large amount of image data is transferred each time. There is no need to do so, and the amount of communication can be suppressed to avoid congestion on the Internet. Further, when the management server SV receives the notification signal from the sensor box SB, the management server SV determines whether or not the notification event is related to the target person, and if it is the notification event, selects the corresponding mobile terminal TA and selects the notification event. A notification signal can be sent. As a result, unnecessary notification signals are prevented from being transmitted to the mobile terminal TA, the burden on the caregiver is reduced, and only the mobile terminal TA that has received the notification signal has an event in response to the notification signal. Since the living room and resident name where the event occurred and the icon IC1 indicating a fall or fall are displayed instead of the image of the target person, the caregiver can monitor the target person in real time in a small amount of communication without causing traffic congestion on the Internet. It is possible to know that a notification event has occurred and take appropriate action immediately. Further, when the caregiver is far from the living room, by requesting from the mobile terminal TA, the image IMG of the living room at the time of the event can be viewed, and the situation of the event can be grasped quickly and accurately. You can also talk to the target person if necessary. Furthermore, the privacy of the target person can be protected by limiting the transfer of the image IMG.

  FIG. 8 is a diagram showing an example of a display screen of a mobile terminal according to the modification. In the above embodiment, the sensor box SB determines that the subject falls or falls from the acquired image data and transmits a notification signal to the management server SV. However, for example, an abnormality in microscopic movement is detected. Then, the notification signal can be transmitted to the management server SV. In such a case, as in the above-described embodiment, the management server SV transmits a notification signal indicating that the body movement is abnormal to the selected mobile terminal TA, and the received mobile terminal TA indicates that the body movement is abnormal. The icon IC2 indicating that there is may be displayed. In such a case, the caregiver can request an image transfer in the living room (or a transfer of microscopic movement data) by touching the button B3, and the caregiver touches the button B2 to cause the sensor box SB. Since the subject and the caregiver can talk directly with each other via the SB sound input / output unit 12, the situation can be accurately determined. The analysis of the image captured by the camera and the state of the fine body movement detected by the Doppler sensor may be combined and used for the event determination.

  FIG. 9 is a diagram showing an example of a display screen of a mobile terminal according to another modification. When the behavior detection processing unit 142 detects that the resident (Mr. D here) gets up, the management server SV determines that the event is a notification event and transmits a notification signal to the selected mobile terminal TA. The icon IC3 is displayed on the TA display unit 36. When the action detection processing unit 142 detects that the resident (Mr. D here) has left the bed, the management server SV determines that the event is a notification event, and sends a notification signal to the selected mobile terminal TA. Therefore, the icon IC4 is displayed on the TA display unit 36. As a result, the state of the occupant can be monitored without looking at the image in the living room, which prevents traffic congestion on the Internet and protects privacy. Moreover, the caregiver in charge of Mr. D can see the image of Mr. D as needed.

  Note that, for example, when the sensor box SB has a built-in battery and is connected to the network NW via a wireless LAN or the like, each sensor box SB has a function of monitoring the internal battery remaining amount and notifying the management server SV. It is desirable to have. In such a case, it is desirable to issue an alarm from the management server SV to the fixed terminal SP or the like when the internal battery remaining amount falls below the allowable value.

  The present invention is not limited to the embodiments and modified examples described in the specification, and the inclusion of other embodiments and modified examples means that the embodiments and the modified examples described in the present specification can be applied to the field of the present invention. It will be apparent to those skilled in the art. The description and embodiments of the specification are for the purpose of illustration only and the scope of the invention is indicated by the claims which follow.

11 sensor section 12 SB sound input / output section 13 nurse call input section 14 SB control processing section 15 SB communication IF section 16 SB storage section 21 SV control processing section 22 SV storage section 23 SVIF section 24 SV input section 31 TA control processing section 32 TA storage unit 33 TA communication IF unit 34 TA sound input / output unit 35 TA input unit 36 TA display unit 37 TAIF unit 41 notification destination information table 111 Doppler sensor 112 camera 141 SB control unit 142 action detection processing unit 143 notification processing unit 144 streaming Processing unit 145 Nurse call processing unit 211 SV control unit 221 Notification destination information storage unit 311 TA control unit 312 TA processing unit 321 Display screen storage unit 411 Notification source address field 412 Notification event field 413 Notification destination address field 611 Menu bar area 612 Main Area 613 Time area 614 User name area 3121 Display processing unit AP Access point B1 to B4 Button IC1 to IC4 Icon MS Care support system NW network Ob Target person RM Living room SB Sensor box SP Fixed terminal ST Nurse station SV Management server TA Mobile terminal

Claims (13)

A detection unit that detects one of a plurality of types of states of the target person,
A first transmitter that transmits a first notification signal indicating the state of the subject detected by the detector;
In a care support system including a second transmission unit that transmits the image data stored in the storage unit ,
The image data is moving image data,
The storage unit stores image data captured when any one of a plurality of types of states of the subject is detected by the detection unit,
When the state of the target person detected by the detection unit corresponds to a predetermined state preset in association with the target person among the plurality of types of states , the state indicating the state of the target person is displayed. A control unit for transmitting the notification signal of 2 ;
A care support system characterized by being equipped with.   The care support system according to claim 1, wherein the detection unit detects a state of the target person based on image data of the target person.   The care support system according to claim 1 or 2, wherein the second transmitting unit transmits the image data of the target person to a terminal preset in association with the target person.   The care support system according to claim 3, wherein the image data of the target person transmitted to the terminal is image data regarding the predetermined state. A detection step of detecting one of a plurality of types of states of the target person,
A first transmitting step of transmitting a first notification signal indicating the state of the subject detected by the detecting step;
A second transmission step of transmitting the image data stored in the storage unit ,
The image data is moving image data,
A storage step of storing in the storage unit image data captured when any one of a plurality of types of states of the subject is detected by the detection step,
Control for transmitting a second notification signal indicating the state of the target person when the state of the target person detected by the detecting step corresponds to a predetermined state preset in association with the target person Steps,
A care support method comprising:   The care support method according to claim 5, wherein the detecting step detects the state of the subject based on the image data of the subject.   7. The care support method according to claim 5, wherein in the second transmitting step, the image data of the target person is transmitted to a terminal preset in association with the target person.   The care support method according to claim 7, wherein the image data of the target person transmitted to the terminal is image data relating to the predetermined state. In the computer of the control device,
A detection step of detecting one of a plurality of types of states of the target person,
A first transmitting step of transmitting a first notification signal indicating the state of the subject detected in the detecting step;
A transmission step of transmitting the image data stored in the storage section ,
The image data is moving image data,
A storage step of storing in the storage unit image data captured when any one of a plurality of types of states of the subject is detected by the detection step,
If the state of the target person detected in the detecting step corresponds to a predetermined state preset in association with the target person among the plurality of types of states , a state indicating the state of the target person is displayed. A program including a control step of transmitting the notification signal of 2 .   The program according to claim 9, wherein the condition of the subject is detected based on the image data of the subject.   11. The program according to claim 9, wherein the image data of the target person is transmitted to a terminal preset in association with the target person.   The program according to claim 11, wherein the image data of the target person transmitted to the terminal is image data regarding the predetermined state. In the computer of the control device,
A detection step of detecting one of a plurality of types of states of the target person,
A transmitting step of transmitting a first notification signal indicating the state of the subject detected in the detecting step;
A transmission step of transmitting the image data stored in the storage section ,
When any one of a plurality of types of states of the subject is detected by the detection step, a storage step of storing image data captured before and after the detection in the storage unit,
If the state of the target person detected in the detecting step corresponds to a predetermined state preset in association with the target person among the plurality of types of states , a state indicating the state of the target person is displayed. A program including a control step of transmitting the notification signal of 2 .

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