WO2016140186A1 - Système de surveillance - Google Patents

Système de surveillance Download PDF

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Publication number
WO2016140186A1
WO2016140186A1 PCT/JP2016/056044 JP2016056044W WO2016140186A1 WO 2016140186 A1 WO2016140186 A1 WO 2016140186A1 JP 2016056044 W JP2016056044 W JP 2016056044W WO 2016140186 A1 WO2016140186 A1 WO 2016140186A1
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WO
WIPO (PCT)
Prior art keywords
radio wave
wave detection
detection units
frequency
sensor
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PCT/JP2016/056044
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English (en)
Japanese (ja)
Inventor
楠田　将之
木戸　稔人
塩田　奈津子
Original Assignee
コニカミノルタ株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by コニカミノルタ株式会社 filed Critical コニカミノルタ株式会社
Priority to JP2016546119A priority Critical patent/JP6020779B1/ja
Priority to CN201680013618.9A priority patent/CN107427218A/zh
Publication of WO2016140186A1 publication Critical patent/WO2016140186A1/fr

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02—Alarms for ensuring the safety of persons
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
    • G08B25/04—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using a single signalling line, e.g. in a closed loop

Definitions

  • the present invention relates to a monitoring system for detecting an abnormality or the like of a health condition of a person spending at a nursing facility.
  • the safety monitoring device described in Patent Document 1 acquires biological information related to body movement and breathing of a subject from reflected waves of radio waves radiated toward the subject, and the safety of the subject from the biological information. Is monitoring.
  • a Doppler sensor that detects and outputs a deviation between the radiated wave using the microwave and the reflected wave is used. This makes it possible to correctly detect the body movement and breathing of the subject.
  • Patent Document 1 has a problem in that, when a plurality of radio wave sensors individually corresponding to a plurality of subjects are installed, the possibility of radio wave interference and radio wave interference increases. Accordingly, there is a possibility that the biological information of each subject cannot be accurately detected individually. In addition, there is a problem that it is necessary to add and move the radio wave sensor as the bed in the living room is increased or moved in the room, and it takes time to set the radio wave sensor that must be changed sequentially.
  • the present invention has been made in view of the above points, and an object of the present invention is to provide a monitoring system capable of accurately detecting biological information of a plurality of subjects individually with a simple configuration.
  • the monitoring system of the present invention includes a plurality of radio wave detection units that individually detect biological information of a subject by radiating and receiving radio waves, and operating conditions of the plurality of radio wave detection units.
  • An electromagnetic wave interference based on the number of the plurality of radio wave detection units, the radiation direction of the radio wave by the radio wave detection unit, or the distance between the adjacent radio wave detection units.
  • the frequency of the radio wave used by each of the plurality of radio wave detection units is derived, and the frequency is individually set in the plurality of radio wave detection units.
  • the present invention it is possible to suppress the occurrence of radio wave interference and radio wave interference in a plurality of radio wave detection units installed corresponding to each of a plurality of subjects. Further, in response to the addition or movement of radio wave detection units, the frequency of radio waves that do not cause radio wave interference and radio wave interference can be individually set in a plurality of radio wave detection units. And it becomes possible to detect the biological information of a several subject separately with a simple structure correctly.
  • FIG. 1 is a schematic configuration diagram of a watching system according to a first embodiment of the present invention. It is a block diagram of the sensor box of the watching system which concerns on 1st Embodiment of this invention. It is explanatory drawing which shows the detection condition of the subject's biometric information by the sensor box of the watching system which concerns on 1st Embodiment of this invention. It is explanatory drawing which shows the setting method of the sensor box by the watching system which concerns on 1st Embodiment of this invention. It is a flowchart which shows an example of the setting process with respect to the sensor box by the watching system which concerns on 1st Embodiment of this invention.
  • FIG. 1 is a schematic configuration diagram of a watching system.
  • FIG. 2 is a configuration diagram of a sensor box of the watching system.
  • the watching system 1 is installed, for example, in a nursing facility shown in FIG.
  • the care facility includes, for example, a staff station 100, living rooms 101 to 114, and a wired LAN (Local Area Network) 400.
  • FIG. 1 shows the outline which looked at the floor of one of the care facilities planarly.
  • the staff station 100 is a so-called stuffing station for caregivers who support the lives of the cared people who spend at the care facilities.
  • the living room of the cared person is mixed with the living rooms 106 to 109 which are single rooms, the living rooms 101 to 105 and the living rooms 110 to 114 which are double rooms.
  • Each room has beds 201 to 214 for the number of care recipients.
  • the living rooms 101 to 105 and the living rooms 110 to 114, which are double rooms have beds 201w and 202w to 214w installed on the window (not shown) side, and beds 202p and 204p installed on the passage (not shown) side. There are ⁇ 214p.
  • the identification codes “w” and “p” may be omitted unless particularly limited.
  • the wired LAN 400 is installed for communication between the staff station 100 and the rooms 101 to 114.
  • a wireless LAN may be installed instead of the wired LAN 400.
  • the watching system 1 includes a management server 2 and sensor boxes 11-24.
  • the management server 2 is installed in the staff station 100 and is communicably connected to the wired LAN 400.
  • the management server 2 can also be controlled remotely.
  • the management server 2 includes a main control unit 3 composed of a calculation unit (not shown), a storage unit, and other electronic components.
  • the main control unit 3 obtains information from the sensor boxes 11 to 24 based on programs and data stored and input in advance in the storage unit and the like, and also detects a caregiver (subject) abnormality and the like. Is realized.
  • the main control unit 3 includes a setting unit 4 and a radio wave detection unit setting list 5.
  • the setting unit 4 individually sets operating conditions of a radio wave detection unit 42 (described later) mounted on the sensor boxes 11 to 24.
  • a detection frequency which is one of the operating conditions of the radio wave detection unit 42, is individually stored in the radio wave detection unit setting list 5 corresponding to each radio wave detection unit 42.
  • the sensor boxes 11 to 24 are installed on the ceiling of each room in association with the bed of each room, and are communicably connected to the wired LAN 400.
  • Sensor boxes 16 to 19 are installed in the living rooms 106 to 109 which are single rooms.
  • sensor boxes 11w and 12w to 24w are installed in association with the beds 201w and 202w to 214w installed on the window side, and the bed 202p installed on the passage side , 204p to 214p, sensor boxes 12p and 14p to 24p are installed.
  • the sensor box 16 installed in the living room 106 will be described as a representative example with reference to FIG.
  • the sensor box 16 includes an optical detection unit 41, a radio wave detection unit 42, and a control unit 43 as shown in FIG.
  • the optical detection unit 41 is configured by a camera for detecting the state of the subject from the image.
  • the optical detection unit 41 is installed toward the bed of each living room, and detects a subject's getting up, getting out of bed, falling, or the like by an image.
  • the optical detection unit 41 includes a near-infrared light projecting unit (not shown) from which an IR cut filter is removed so that the state of the subject can be detected as an image even in a dark environment.
  • the camera of the optical detection part 41 can image the whole living room by providing a wide-angle lens.
  • the radio wave detection unit 42 is configured by a microwave Doppler sensor for individually detecting biological information of a subject by emitting and receiving radio waves.
  • the radio wave detection unit 42 includes a radiation unit (not shown) and a reception unit.
  • the radio wave detection unit 42 radiates, for example, a microwave of 24 GHz toward the bed in each room, and receives the Doppler-shifted reflected wave reflected by the subject.
  • the radio wave detector 42 detects the breathing state and heart rate of the subject from the reflected wave.
  • the control unit 43 is configured by a calculation unit (not shown), a storage unit, and other electronic components, and receives information from the optical detection unit 41 and the radio wave detection unit 42 based on programs and data stored and input in advance in the storage unit. In addition, the image processing and the signal processing related to the detection of the state of the subject are realized by controlling the operations of these components.
  • the control unit 43 includes an information processing unit 44 and an interface unit 45.
  • the information processing unit 44 receives outputs from the optical detection unit 41 and the radio wave detection unit 42.
  • the information processing unit 44 performs image processing on the video data received from the optical detection unit 41, and detects the state of the subject from the video.
  • the information processing unit 44 performs signal processing on the microwave data received from the radio wave detection unit 42 and detects the state of the subject from the microwave.
  • a network cable (not shown) of the wired LAN 400 is electrically connected to the interface unit 45.
  • Information on the state of the subject detected by the sensor box 16 based on the video data and the microwave data is transmitted to the management server 2 via the interface unit 45 and the wired LAN 400.
  • the management server 2 displays information on the state of the subject received from the sensor box 16 on its own display unit (not shown) or transmits it to a mobile terminal or the like (not shown) owned by the caregiver. Or
  • the monitoring system 1 is configured so that the setting unit 4 of the management server 2 does not cause radio wave interference and radio wave interference with each other with respect to the sensor boxes 11 to 24. Based on various conditions such as the radiation direction of the radio wave and the distance between adjacent beds, the frequency of the microwave used by the radio wave detection unit 42 of each of the sensor boxes 11 to 24 is derived. Further, the setting unit 4 distributes these frequencies to the radio wave detection units 42 of the sensor boxes 11 to 24 via the wired LAN 400 and causes the radio wave detection unit 42 to individually set them.
  • FIG. 3 is an explanatory diagram showing the detection status of the biological information of the subject S by the sensor boxes 16 and 17, and is a view of the living room as viewed from the side.
  • FIG. 4 is an explanatory diagram showing a method for setting the sensor boxes 11 to 15.
  • FIG. 5 is a flowchart showing an example of setting processing for the sensor boxes 11 to 24. 3 exemplifies the living rooms 106 and 107 and FIG. 4 illustrates the occupying rooms 101 to 105 as an example. However, the setting of the radio wave detection unit 42 is similarly performed in the other occupying rooms.
  • a bed 206 and a sensor box 16 are installed in the living room 106, and a bed 207 and a sensor box 17 are installed in the adjacent living room 107.
  • the sensor boxes 16 and 17 are installed in the center in the horizontal direction of the ceiling of the living rooms 106 and 107, respectively.
  • the radio wave detectors 42 of the sensor boxes 16 and 17 are provided in the sensor boxes 16 and 17 so as to face the beds 206 and 207 indicated by the arrows shown in FIG.
  • the setting unit 4 includes the radio wave detection unit 42, that is, the arrangement of the sensor boxes 16 and 17 (in which position in the room), the microwave radiation direction by the sensor boxes 16 and 17, and the distance between the sensor boxes 16 and 17. Based on this distance, the frequency of the microwave used by the radio wave detectors 42 of the sensor boxes 16 and 17 is derived so that radio wave interference and radio wave interference do not occur. In order to prevent radio wave interference and radio wave interference, for example, the minimum separation distance between the adjacent sensor boxes 16 and 17 and the minimum separation frequency of the microwaves used by the adjacent sensor boxes 16 and 17 are considered.
  • the minimum separation distance is a distance at which radio wave interference and radio wave interference do not occur when there is such a distance between adjacent sensor boxes (regardless of the mutual use frequency).
  • the minimum separation frequency is a frequency at which radio wave interference and radio wave interference do not occur when there is such a difference in the frequency of the microwaves used by adjacent sensor boxes (regardless of the distance between the sensor boxes).
  • the minimum separation distance between the sensor boxes 16 and 17 is set in advance to, for example, 5 m in view of the performance of the radio wave detection unit 42 and the like.
  • the setting unit 4 may make the frequency of the microwaves used by the radio wave detection units 42 of the sensor boxes 16 and 17 the same.
  • the setting unit 4 varies the frequencies of the microwaves used by the radio wave detection units 42 of the sensor boxes 16 and 17. Thereby, radio wave interference and radio wave interference do not occur between the sensor boxes 16 and 17.
  • the distance L2 between the beds 206 and 207 of the adjacent living rooms is also considered in relation to the radiation direction of the microwaves by the sensor boxes 16 and 17. If the distance between the beds is long, the possibility that the microwaves that reach the subject from the respective sensor boxes and the microwaves that are reflected from the subject will interfere or interfere with each other is reduced. Therefore, for example, when the distance L2 between the beds 206 and 207 is 5 m or more, the setting unit 4 may make the frequency of the microwaves used by the radio wave detection units 42 of the sensor boxes 16 and 17 the same.
  • the setting unit 4 varies the frequency of the microwave used by the radio wave detection unit 42 of each of the sensor boxes 16 and 17. Thereby, radio wave interference and radio wave interference do not occur between the sensor boxes 16 and 17.
  • the minimum separation frequency of the microwaves used by the sensor boxes 16 and 17 is set in advance to, for example, 5 MHz in view of the performance of the radio wave detection unit 42 and the like. Regardless of the distance L1 between the sensor boxes 16 and 17 and the distance L2 between the beds 206 and 207, the setting unit 4 separates the frequency of the microwave used by the radio wave detection unit 42 of each of the sensor boxes 16 and 17 by 5 MHz or more. May be set to the selected frequency. Thereby, radio wave interference and radio wave interference do not occur between the sensor boxes 16 and 17.
  • the setting unit 4 derives eight frequencies separated from each other by 5 MHz from the setting A to the setting H, and these frequencies are individually assigned to the sensor boxes 11w, 12p, 12w, 13w, 14p, 14w, 15p, and 15w. Set to.
  • the microwave frequencies used by the radio wave detection units 42 of adjacent sensor boxes are separated from each other by a minimum separation frequency or more.
  • radio wave interference and radio interference do not occur, and it is possible to radiate and receive microwaves to the subject S resting in the bed of each room, and to individually detect the biological information of the subject S Become.
  • the microwave frequencies used by the radio wave detection units 42 of all sensor boxes may not be different. Even in this case, for example, if the distance between the beds is 5 m or more, the microwaves can be set to the same frequency.
  • step # 101 the arrangement status of each sensor box is input by a user operation on the management server 2.
  • Information relating to the number of sensor boxes, the distance between adjacent sensor boxes, the distance between adjacent beds, and the like is input as the arrangement status of each sensor box.
  • the distance between adjacent beds is related to the microwave radiation direction of each adjacent sensor box.
  • step # 102 the setting unit 4 of the management server 2 derives the frequency of the microwave used by the radio wave detection unit 42 of each sensor box based on the input information regarding the arrangement state of each sensor box.
  • the setting unit 4 determines the frequency of the microwave used by each sensor box so that radio wave interference and radio wave interference do not occur based on the number of sensor boxes, the microwave radiation direction by the sensor box, and the distance between adjacent sensor boxes. Is derived.
  • the derived frequencies are individually stored in the radio wave detection unit setting list 5 corresponding to the radio wave detection unit 42 of each sensor box.
  • Step # 103 the set value of the derived frequency is distributed individually from the management server 2 to each sensor box via the wired LAN 400.
  • step # 104 the frequency is individually set in the radio wave detection unit 42 in each sensor box that has received the set value of the distributed frequency.
  • the microwave frequency used by the radio wave detector 42 of each sensor box is distributed from the management server 2 and set in each sensor box, command communication is individually performed from the management server 2 to each sensor box.
  • the control unit 43 interprets a command received from the management server 2 and sets a use frequency for the radio wave detection unit 42.
  • step # 105 it is reconfirmed whether or not the frequency setting in the radio wave detection unit 42 of each sensor box satisfies a condition that does not cause radio wave interference and radio wave interference (hereinafter referred to as a predetermined condition).
  • a predetermined condition For example, as the first predetermined condition, first, it is confirmed whether or not the frequencies of the microwaves used by the radio wave detection units 42 of adjacent sensor boxes are separated by 5 MHz or more. When the microwave frequency separation used by the radio wave detectors 42 of adjacent sensor boxes is less than 5 MHz, the second predetermined condition is that the distance between adjacent sensor boxes or beds is 5 m or more apart. It is confirmed whether or not.
  • step # 105 If it is determined in step # 105 that the predetermined condition is not satisfied, the process proceeds to step # 102. If the predetermined condition is satisfied, the initial setting is terminated (END in FIG. 5).
  • FIG. 6 is an explanatory diagram showing a sensor box setting method by the watching system. Since the basic configuration of this embodiment is the same as that of the first embodiment described above, the same components as those of the first embodiment are denoted by the same reference numerals and the description thereof is omitted. And
  • FIG. 6 shows a state where a bed 203p is added to the living room 103 after the initial introduction of the watching system 1 shown in FIG.
  • a sensor box 13p corresponding to the subject who uses the bed 203p is also added.
  • the microwave radiation direction may be changed by the sensor boxes 13w and 14p.
  • the distance between the adjacent sensor boxes may be changed by adding the sensor box 13p.
  • the monitoring system 1 of the second embodiment is configured to increase the number of sensor boxes (radio wave detection units 42) and radiate microwaves from the sensor boxes with respect to the previous setting of the frequency used by each radio wave detection unit 42. Based on the change in direction and the change in the distance between adjacent sensor boxes, the frequency of the microwave used by each sensor box is re-derived so that radio wave interference and radio wave interference do not occur.
  • step # 101 of FIG. 5 the user relates to an increase in the number of sensor boxes, a radiation direction of microwaves from the sensor boxes, a change in the distance between adjacent sensor boxes, a change in the distance between adjacent beds, and the like.
  • Information is input to the management server 2.
  • step # 102 the setting unit 4 re-derived the microwave frequency used by the radio wave detection unit 42 of each sensor box based on the information related to the changed arrangement state of each sensor box.
  • step # 103 the re-derived frequency setting value is individually distributed from the management server 2 to each sensor box via the wired LAN 400.
  • step # 104 the frequency is individually reset in the radio wave detection unit 42 in each sensor box that has received the set value of the distributed frequency.
  • the monitoring system 1 re-derives the microwave frequency used by the radio wave detection unit 42 of each sensor box, it is possible to set radio wave interference and radio wave interference only by setting a new use frequency only for the added sensor box 13p. Can also be prevented. In this case, command communication related to the setting of the used frequency is performed only for the sensor box 13p as indicated by an arrow in FIG.
  • FIG. 7 is an explanatory diagram showing a sensor box setting method by the watching system.
  • FIG. 8 is an explanatory diagram showing the detection status of the biological information of the subject by the sensor box. Since the basic configuration of this embodiment is the same as that of the first embodiment described above, the same components as those of the first embodiment are denoted by the same reference numerals and the description thereof is omitted. And
  • FIG. 7 shows a state in which the position of the bed 208 in the living room 108 is changed after the initial introduction of the watching system 1 shown in FIG.
  • the position of the bed 208 is changed, for example, the direction of microwave radiation may be changed by the sensor boxes 18 and 19. Furthermore, a change in the position of the bed 208 causes a change in the distance between the adjacent beds 208 and 209.
  • the microwave radiated from the sensor box 18 passes through the wall between the living rooms 108 and 109 and the subject S in the living room 109.
  • radio wave interference may occur that the sensor box 19 receives the reflected wave.
  • this reverse radio wave interference occurs.
  • the monitoring system 1 changes the distance between the sensor boxes and changes the radiation direction of the microwaves by the sensor boxes with respect to the previous setting of the frequency used by each radio wave detection unit 42. Based on the change and the change in the distance between adjacent beds, the frequency of the microwave used by each sensor box is re-derived so that radio wave interference and radio wave interference do not occur.
  • the watching system 1 can reset the use frequency for all the sensor boxes 11 to 24 or reset the use frequency for the sensor box in a local region including the sensor box 18. You can also. Further, the watching system 1 can reset the use frequency only to the sensor boxes 18 and 19. In this case, command communication related to the setting of the used frequency is performed only for the sensor boxes 18 and 19 as indicated by arrows in FIG.
  • the setting unit 4 can also use the bed position information in deriving the microwave frequency used by each sensor box.
  • the setting unit 4 receives and owns input of positional information of each bed from the user. And the setting part 4 derives
  • the bed position information is also useful information when detecting the body movement of the subject from the image captured by the optical detection unit 41.
  • FIG. 9 is an explanatory diagram showing a sensor box setting method by the watching system. Since the basic configuration of this embodiment is the same as that of the first embodiment described above, the same components as those of the first embodiment are denoted by the same reference numerals and the description thereof is omitted. And
  • the monitoring system 1 is installed, for example, in a care facility shown in FIG.
  • the care facility includes, for example, living rooms 301-306.
  • the living rooms 301 to 306 are annularly arranged around a staff station (not shown) where the management server 2 is installed.
  • eight sensor boxes 31 to 36 are installed corresponding to eight beds (not shown).
  • the total number of sensor boxes included in the monitoring system 1 of the present embodiment is larger than the number of usable microwave frequency channels. For this reason, usable microwave frequency channels are allocated to a plurality of groups, and different frequency channel groups are assigned to adjacent rooms.
  • the available microwave frequency channels are divided into three groups X, Y, and Z.
  • each group is distributed so that adjacent frequency channels do not belong. That is, for example, when the microwave frequencies are separated in the order of f00, f01, f02,..., F00 and f01 do not belong to the same group, and f01 and f02 do not belong to the same group.
  • the group X of the microwave frequency channel is assigned to the rooms 301 and 304
  • the group Y is assigned to the rooms 302 and 305
  • the group Z is assigned to the rooms 303 and 306.
  • multiple different frequency channels are assigned to each group of frequency channels. For example, by assigning so that no adjacent frequency channels belong to each group of frequency channels, radio wave interference in each room is suppressed. can do. Furthermore, by assigning different frequency channel groups for each room to a plurality of sensor boxes arranged in adjacent rooms, it is possible to suppress radio wave interference between adjacent rooms.
  • free frequency channels for example, f06, f07, and f08
  • free frequency channels for example, f06, f07, and f08
  • the monitoring system 1 includes a plurality of radio wave detection units 42 (sensor boxes) that individually detect biological information of a subject by emitting and receiving microwaves, and a plurality of radio wave detection units 42. And a setting unit 4 that individually sets the operating conditions of the radio wave detection unit 42. And the setting part 4 is based on the arrangement
  • a microwave frequency that does not cause radio wave interference and radio wave interference is derived for each of a plurality of radio wave detection units 42 corresponding to a plurality of subjects spending in a care facility, and the radio wave detection is performed. Individually set in the unit 42. Thereby, it is possible to accurately detect the biological information of a plurality of subjects individually.
  • the setting unit 4 increases or moves the radio wave detection unit 42 (sensor box) and detects the radio wave in response to the previous setting of the operation conditions of the radio wave detection units 42.
  • the frequency of the microwave used by each of the plurality of radio wave detection units 42 satisfying a predetermined condition based on the change of the radiation direction of the microwaves by the unit 42 and the change of the distance between the adjacent radio wave detection units 42 (sensor boxes). Perform re-derivation.
  • the frequency of the microwave that does not cause radio wave interference and radio wave interference is derived in response to the addition or movement of the radio wave detection unit 42 (sensor box), and is individually set in the radio wave detection units 42. . Therefore, even when the sensor box is added and moved, it is possible to accurately detect biological information of a plurality of subjects individually.
  • the setting unit 4 includes the position information of the bed used by the subject, and each of the plurality of radio wave detection units 42 that satisfies a predetermined condition based on the position information of the bed is used.
  • the frequency of the microwave to be derived is derived.
  • the microwave radiation direction by the radio wave detection unit 42 and the distance between adjacent beds can be accurately grasped based on the bed position information. Therefore, it is possible to derive a suitable frequency when deriving the microwave frequency at which radio wave interference and radio wave interference do not occur.
  • the minimum separation distance between adjacent radio wave detection units 42 is considered, and the setting unit 4 determines that the distance between adjacent radio wave detection units 42 (sensor boxes) is When the distance is shorter than a predetermined minimum separation distance (for example, 5 m), the frequency of the microwave used by each adjacent radio wave detector 42 is varied.
  • a predetermined minimum separation distance for example, 5 m
  • the minimum separation frequency of the microwaves used by the adjacent radio wave detection unit 42 (sensor box) is taken into consideration, and the setting unit 4 is adjacent to the radio wave detection unit 42 (sensor box).
  • the frequency of the microwaves used by each is set to a frequency separated by a predetermined minimum separation frequency (for example, 5 MHz) or more.
  • the microwave frequency for example, see FIG. 4
  • the method of grouping the microwave frequency channels for example, see FIG. 9 are examples. However, it is not limited to these.
  • the present invention can be used in a monitoring system for detecting an abnormality or the like of a person's health condition spent in a nursing facility.

Abstract

La présente invention concerne un système de surveillance 1 qui est pourvu d'une pluralité d'unités de détection d'onde électromagnétique 42 pour irradier et recevoir des micro-ondes et détecter des informations biologiques de sujets individuels, et une d'unité de réglage 4 pour régler les conditions de fonctionnement individuellement pour la pluralité d'unités de détection d'onde électromagnétique 42. L'unité de réglage 4 dérive la fréquence des micro-ondes devant être utilisées par chacune de la pluralité d'unités de détection d'onde électromagnétique 42 de manière à satisfaire des conditions prédéterminées dans lesquelles une interférence électromagnétique et une diaphonie électromagnétique ne se produisent pas sur la base de l'agencement de la pluralité d'unités de détection d'onde électromagnétique 42, la direction dans laquelle des micro-ondes sont irradiées par les unités de détection d'onde électromagnétique 42, et la distance entre des unités de détection d'onde électromagnétique 42 adjacentes. Les fréquences de la pluralité d'unités de détection d'onde électromagnétique 42 sont individuellement réglées.
PCT/JP2016/056044 2015-03-05 2016-02-29 Système de surveillance WO2016140186A1 (fr)

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JP2016546119A JP6020779B1 (ja) 2015-03-05 2016-02-29 見守りシステム
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WO2018216362A1 (fr) * 2017-05-25 2018-11-29 コニカミノルタ株式会社 Système d'aide aux soins

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