JP2015092647A - Intercom system having power feeding function - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an intercom system capable of supplying power to external devices existing in the neighborhood of a bed such as a corridor lamp, a bed lamp, and a bed radio via an intercom slave unit so as to cooperate with the external devices.SOLUTION: An intercom slave unit 1 includes: power feeding connectors 14 for supplying power to external devices 3; a power reception unit 12 for receiving power from an intercom master unit 2; and a power feeding control unit 13 for supplying power to the one or more external devices 3 connected to the power feeding connectors. The intercom master unit 2 includes: a power feeding control unit 22 with an ampere meter for supplying power to each one of the intercom slave units 1; and means for displaying information related to the operation state of each one of the external devices 3 on the basis of the measured current values.

Description

  The present invention relates to an interphone slave unit and an interphone master unit having a function of supplying power to an external device existing in the vicinity of the interphone slave unit via the interphone slave unit.

  In recent years, nurse call systems that call and call nurses and caregivers using intercom functions and telephone functions have become widespread in hospitals and nursing care facilities.

  As a technique for improving the operability of this nurse call system, there is a technique for providing a night indicator lamp that displays the position of the call button at night by supplying power from the nurse call slave unit (interphone slave unit) to the call button (for example, Patent Document 1).

  However, the technology described in Patent Document 1 stops the lighting of the night indicator lamp that only displays the position of the call button itself, and exists in the vicinity of the interphone slave unit such as a corridor lamp or a bedlight that illuminates the surrounding area. There is a lack of consideration for usage patterns linked to the devices to be used.

JP-A-8-173487

  Accordingly, an object of the present invention is to supply power to an external device located near the bed, such as a corridor lamp, a bedlight, and a bed radio, via the interphone slave unit. An object of the present invention is to provide an intercom system having a power feeding function capable of cooperating with a device.

  In order to solve the above-described problem, the present invention provides an interphone system including one or more interphone slave units and an interphone master unit connected to the interphone slave unit by wire, wherein the interphone slave unit is a predetermined external device. One or more power supply connectors for supplying power to the power supply, power receiving means for receiving power from the intercom master unit, and external device power supply means for supplying power to one or more external devices connected to the power supply connector; The interphone master unit supplies to each of the interphone slave units a pair of slave unit power supply means for supplying power for operating the interphone slave unit and the external device to each of the interphone slave units. An external device operation status display means for measuring a current value and displaying information related to each operation status of the external device based on the measured current value; Characterized in that it.

  According to the present invention, since power is supplied to an external device existing in the vicinity of the interphone slave unit via the interphone slave unit, a power outlet for the external device is unnecessary, and the interphone master unit side It is possible to control the on / off of the external device and manage the usage status of the external device, and to provide an interphone system having a power supply function suitable for a hospital or a nursing facility.

  For example, when the external device is linked to a corridor lamp, it is possible to support the rush of a nurse or the like by supplying power to the corridor lamp in conjunction with the pressing of the call button.

  In addition, when linked with bedlights and bed radios as external devices, grasping the sleeping status of each inpatient based on the power supply status to them, preventing the power of those devices from being left off, etc. The burden on nurses and caregivers can be reduced.

Internal block diagram of intercom handset according to the present invention Internal block configuration diagram of intercom base unit according to the present invention Operation flow chart of intercom handset according to the present invention Operation flow chart of interphone master unit according to the present invention

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. In the present embodiment, one interphone master unit (may be abbreviated as a master unit), N interphone slave units (sometimes abbreviated as slave units), and three types of external devices (LED corridors). A system configuration composed of M (light, LED bed light, bed radio) and M number of client terminals will be described as an example, but these numbers are arbitrary.

  FIG. 1 is an internal block diagram of an intercom slave according to the present invention. The intercom handset 1 is an apparatus that belongs to the interphone base unit 2, calls the interphone base unit 2 or the attendant terminal 4 that belongs to the interphone base unit 2, or receives a call signal from the interphone base unit 2. It is mounted on the bed of an inpatient.

  The intercom handset 1 includes a handset control unit 10, a base unit corresponding unit 11, a power receiving unit 12, a power supply control unit 13, a power supply connector 14, a call button 15, a recovery button 16, a call unit 17, and a display unit 18. Yes.

  The handset controller 10 is means for controlling the whole handset 1. The base unit corresponding unit 11 is a connection interface with the base unit 2 and is a means for relaying a signal between the base unit 2 and the slave unit control unit 10. In addition, the base unit corresponding unit 11 supplies the power transmitted from the base unit 2 to the power receiving unit 12.

  The power receiving unit 12 is means for supplying the power received from the parent device 2 via the parent device handling unit 11 to the child device control unit 10 and the power supply control unit 13. The power supply control unit 13 is means for supplying the power supplied from the power receiving unit 12 to each terminal of the power supply connector 14 in accordance with an instruction from the child device control unit 10. The power feeding connector 14 is a connector connected to a cable that supplies power to the external device 3.

  The call button 15 is a button switch that is pressed when an inpatient calls a nurse or the like. The recovery button 16 is a button switch that stops the calling operation or resets other operations. The calling unit 17 is a calling unit including a microphone / speaker (not shown). The display unit 18 is a display means such as an LED or LCD that displays the operation state or setting state of the child device 1.

  In the example of this embodiment, a corridor lamp 3-1, a bedlight 3-2, and a bed radio 3-3 will be described as examples of the external device 3. These devices are only examples, and various external devices can be connected as long as the power supply conditions (voltage, power) allow.

  The corridor lamp 3-1 is an illuminating lamp that illuminates the feet in the corridor and the room. In the present embodiment, the corridor lamp 3-1 is set so that power is supplied when the call button 15 is pressed. Support rushing. When the light source of the corridor lamp 3-1 is an LED, the power consumption is small and the lifetime is long, so that it is suitable as an external device connected to the slave unit 1. Note that the port setting of the power supply connector 14 that controls power supply in conjunction with the call button 15 is performed, for example, by a specific operation of the call button 15 and the recovery button 16 by the maintenance person or by control from the parent device 2 side. What is necessary is just to write the setting contents in a memory (not shown) in the slave unit control unit 10.

  By the way, the diode 31 and the diode 32 make it possible to supply power to the corridor lamp 3-1, that is, power supply from the switch 30 (for example, a manual switch installed on the wall) and power supply from the slave unit 1. For this reason, even when the switch 30 is in the OFF state, the corridor lamp 3-1 can be turned on by power supply from the slave unit 1 whose call button 15 is pressed.

  The bed light 3-2 is a reading lamp that is attached to each bed or installed in the vicinity of the bed. If the light source of the bed light 3-2 is also an LED, the bed light 3-2 is connected to the slave unit 1. It is suitable as an external device. The bed radio 3-3 is a radio that is attached to each bed or installed in the vicinity of the bed, and can be used by an inpatient by an earphone or the like. If the power source of the bed radio 3-3 is also a DC input type (for example, DC12V), it is suitable as an external device connected to the slave unit 1.

  Power is supplied to these external devices 3 according to a schedule registered in a power supply schedule registration unit 24 of the parent device 2 described later. That is, the person who can use the bed light 3-2 or the bed radio 3-3 is an inpatient or the like who has been allowed to read or listen to radio at night (registered in the power supply schedule registration unit 24), and is registered. It is also possible to automatically turn on / off the power supply to the external device 3 in accordance with the set schedule.

  In addition, since the usage status of these external devices 3 can be monitored for each slave unit 1 by the power supply control unit 22 with ammeter of the master unit 2 to be described later, the power supply to these external devices 3 is 0 or after the bedtime. If it is below a certain value, it can be estimated that the inpatient is sleeping gently, and can support the work of a nurse at night related to grasping the sleeping situation.

  By the way, the bed light 3-2 and the bed radio 3-3 may be provided by the hospital as an attached device of the bed, or may be brought in by an inpatient. When an inpatient is brought in, the power supply connector 14 may be provided with a standard DC output interface (for example, a DC12V cigarette lighter used for power supply to in-vehicle devices).

  FIG. 2 is an internal block diagram of the intercom base unit 2 according to the present invention. The interphone master unit 2 is a device that controls the interphone slave unit 1 and the attendant terminal 4, and is installed in a room reserved for nurses and caregivers such as a nurse center.

  The intercom master unit 2 relays a call signal or a call signal between the slave unit 1 (1-1 to N) and the receiver terminal 4 (4-1 to M), and is registered in the power supply schedule registration unit 24. The power supplied to each slave unit 1 is managed according to the power supply schedule.

  The interphone master unit 2 includes a master unit control unit 20, a power source unit 21, an ammeter-equipped power supply control unit 22, a slave unit correspondence unit 23, a power supply schedule registration unit 24, a respondent terminal correspondence unit 25, an audio signal processing unit 26, an operation The unit 27 and the display unit 28 are included.

  The base unit control unit 20 is means for controlling the entire base unit 2. The power supply unit 21 is a means for converting an AC voltage input from a commercial AC 100V outlet into a DC voltage and converting it into a voltage used in each unit of the parent device 2. The ammeter-equipped power supply control unit 22 executes power supply control to each child device 1 and supplies power to each child device 1 via the child device corresponding unit 23 according to an instruction from the parent device control unit 20. This is a means for measuring the current value and notifying the parent device control unit 20 of the measured current value.

  The slave unit corresponding unit 23 is a connection interface with the slave unit 1, relays signals between the slave unit 1 and the master unit control unit 20, and outputs each slave unit output by the power supply control unit 22 with an ammeter. 1 (1-1 to N) is means for distributing power to each slave unit 1.

  The power supply schedule registration unit 24 is means for registering a power supply schedule to each slave unit 1. The parent device control unit 20 refers to the power supply schedule registration unit 24 and instructs the power supply control unit 22 with ammeter to supply power to each child device 1 according to the current time. The registration of the power supply schedule to the power supply schedule registration unit 24 may be input by operating the operation unit 27 or may be input from an information device such as a personal computer or a predetermined server (not shown). Good.

  The response terminal 25 is a means for relaying signals between the response terminals 4 (4-1 to M), the master control unit 20, and the audio signal processing unit 26. The voice signal processing unit 26 is means for executing a call process in a call between the client terminal 4 (4-1 to M) and the slave unit 1 (1-1 to N). Note that the connection between the client terminal corresponding unit 25 and the client terminal 4 may be either a wired connection or a wireless connection.

  The operation unit 27 includes buttons (keys) and switches, and is means for operating the parent device 2. The operation unit 27 may be an operation panel separated from the main body of the main unit 2, and the operation unit 27 has a built-in microphone / speaker (not shown), and can communicate with the slave unit 1 called only by the main unit 2. You may be able to do it.

  The display unit 28 is a display means such as an LED or LCD that displays the operation state and setting state of the parent device 2. The display unit 28 may be a large screen display (for example, an LCD of 40 inches or more) or a display panel that is separated from the main unit 2.

  The responder terminal 4 is a terminal that is called from the child device 1 or calls the child device 1 via the parent device 2, and is, for example, a nurse call PHS terminal possessed by a nurse or the like. The responder terminal 4 includes a terminal control unit 40, a call unit 41, an operation unit 42, and a display unit 43.

  The terminal control unit 40 is means for controlling the entire client terminal. The calling unit 41 is a calling unit including a microphone / speaker (not shown). The operation unit 42 is means for operating the responder terminal 4 using a plurality of button switches such as numeric keys and function keys. The display unit 43 is a display unit (for example, an LED or an LCD) that displays an operation state or a setting state of the client terminal 4.

  FIG. 3 is an operation flowchart of the intercom handset 1. Hereinafter, the operation flow of the slave unit 1 will be described with reference to FIG. This flow starts from a state in which the power of the handset 1 is turned on (S300). In the standby state, the handset controller 10 monitors the occurrence of each event of S310, S320, and S330 described later.

  In S310, when the call button 15 is pressed or a call signal is received from the parent device 2 side (S310, YES), the external device 3-1 (corridor lamp) set to be linked to the call operation is connected. The power supply to the port of the power supply connector 14 is started, the calling is displayed on the display unit 18, and a call command is transmitted to the parent device 2 (when the call button 15 is pressed) or the operation of the own device 1 Call the person (when a call signal is received). When the called party answers, a call process between the operator of the parent device 2 and the operator 1 is executed (S311), and the process proceeds to S320. If NO in S310, the process skips S311 and proceeds to S320.

  In S320, when there is a predetermined specific operation (double click, long press, or a combination thereof) on the call button 15 or the recovery button 16 included in the child device 1, or from the parent device 2 to the external device 3 Is received (S320, YES), power supply to the external device 3 is started or stopped according to the content of the specific operation or the received specific command (S321), and the process proceeds to S330. If NO in S320, the process skips S321 and proceeds to S330.

  In S330, when the recovery button 16 included in the child device 1 is pressed (S330, YES), the processing being executed (calling display, call processing) is reset and all the devices connected to the child device 1 are reset. Power supply to the external device 3 is stopped (S331), and the process returns to S310. If NO in S330, the process skips S331 and returns to S310.

  FIG. 4 is an operation flowchart of the intercom base unit 2. Hereinafter, the operation flow of the base unit 2 will be described with reference to FIG. This flow starts from a state where the power of the base unit 2 is turned on (S400).

  When this flow starts, the base unit control unit 20 analyzes the current value supplied to each slave unit 1 by the power supply control unit 22 with ammeter and displays the operating state of each external device 3 on the display unit 28 of the base unit 2. Or displayed on the display unit 43 of the receiver terminal 4 (S410). In the example of FIG. 1, the corridor lamp (external device 3-1) is turned off (current consumption is 0) except at the time of calling, and is stored in advance in a memory (not shown) in the parent device control unit 20. The rated current consumption of the bedlight (external device 3-2) (for example, 100 mA when lit), the rated current consumption of the bed radio (external device 3-3) (for example, 50 mA during operation), and a power supply control unit with an ammeter If the data measured by 22 is compared, the type of the external device 3 in operation can be determined. Even if it is difficult to determine the type of the external device 3 that is in operation only with the current consumption, it can be determined whether at least one of the external devices 3 is in operation, and it is possible to estimate whether the hospitalized patient is sleeping or not. It is. After S410, base unit control unit 20 monitors the occurrence of each event of S420, S440, and S450 described later.

  In S420, when a call command is received from the slave unit 1 or the responder terminal 4 (S420, YES), the master unit control unit 20 responds to the correspondent terminal 4 corresponding to the slave unit 1 that has transmitted the call command. Or all the receiver terminals 4 are called. Alternatively, one of the slave units 1 designated by the client terminal 4 that has transmitted the call command is called. Then, when the called party answers, call processing relating to the call between the calling party and the called party is executed (S421), and the process proceeds to S440. If NO in S420, the process skips S421 and proceeds to S440.

  In S440, when a power supply start request signal or a power supply stop request signal is received from the client terminal 4, or in a power supply schedule registered in advance in the power supply schedule registration unit 24, the power supply start timing or power supply stop timing arrives (S440, YES), the specific command for starting or stopping the power supply to the external device 3 in accordance with the power supply start / stop request received from the responder terminal 4 or the incoming power supply start / stop timing is targeted. It transmits to the subunit | mobile_unit 1 (S441), and progresses to S450. If NO in S440, S441 is skipped and the process proceeds to S450.

  In S450, when the use state of the external device 3 to be alarmed for which the alarm is set (for example, the bedlight is turned on for a long time at midnight) is detected (S450, YES), the detected slave unit 1 of the external device 3 and the An alarm message (for example, “the current time is a time during which use of the external device 3 is prohibited”) is transmitted to the client terminal 4 corresponding to the slave unit 1 and the alarm message is displayed on the display unit 28 (S451). ), The process returns to S410. If NO in S450, the process skips S451 and returns to S410.

  The alarm condition in S450 is registered in advance in a memory (not shown) in the parent device control unit 20. In S451, a specific command for stopping power supply to the external device 3 may be transmitted to the child device 1 after displaying the warning message or without displaying the warning message.

  The embodiment of the present invention has been described above. In the present embodiment, the interphone dedicated system has been described as an example. However, the system of the present invention may be a telephone system combined with a button telephone system or a private branch exchange telephone system. In addition, the customer terminal 4 may be an extension telephone terminal that is wired or wirelessly connected to a main device of a key telephone system or a private branch exchange telephone system. Note that each communication protocol of the interphone slave unit 1, the interphone master unit 2, and the receiver terminal 4 may be compatible with IP (Internet Protocol).

  In the present embodiment, the power supply from the intercom handset 1 to the external device 3 has been described by taking DC power supply as an example, but this may be AC power supply. In particular, if the power supplied by the intercom handset 1 is 100V commercial AC and the power supply connector 14 is a general power outlet, a general electric device can be applied as the external device 3 within the allowable range of power supply capability. . In that case, what is necessary is just to insert the inverter which converts a DC voltage into an AC voltage in the inside of the electric power feeding control part 13 of the intercom cordless handset 1, for example.

DESCRIPTION OF SYMBOLS 1 ... Interphone cordless handset 10 ... Slave unit control part 11 ... Base unit corresponding | compatible part 12 ... Power receiving part 13 ... Power feeding control part 14 ... Power feeding connector 15 ... Call button 16 ... Recovery button 17 ... Call unit 18 ... Display unit 2 ... Interphone master unit 20 ... Base unit control unit 21 ... Power source unit 22 ... Current according to the present invention Power supply control unit with meter 23 ... Slave unit correspondence unit 24 ... Power supply schedule registration unit 25 ... Response terminal correspondence unit 26 ... Audio signal processing unit 27 ... Operation unit 28 ... Display unit 3 ... External device 30 ... Switch 31 ... Diode 32 ... Diode 4 ... Responder terminal 40 ... Terminal control unit 41 ... Talk unit 42 ... Operating unit 43 ...・ Display

Claims (4)

An interphone system including one or more interphone slave units and an interphone master unit connected to the interphone slave unit by wire,
The intercom handset has power to one or more power supply connectors for supplying power to a predetermined external device, power receiving means for receiving power from the intercom base device, and one or more external devices connected to the power supply connector. An external device power supply means for supplying
The interphone master unit measures a current value supplied to each of the interphone slave units and a pair of slave unit power supply means for supplying power for operating the interphone slave unit and the external device to each of the interphone slave units. And an external device operating status display means for displaying information related to the operating status of each of the external devices based on the measured current value. The intercom system according to claim 1,
The external device power supply means included in the interphone slave unit is determined in advance when a predetermined specific operation is performed on a call button or a button other than the call button included in the interphone slave unit or from the interphone master unit. When the specific command is received, an interphone system having a power supply function, wherein power supply to a predetermined power supply connector or all power supply connectors is started or stopped according to the specific operation or the specific command. The intercom system according to claim 2,
The interphone master unit further includes a power supply schedule registration means for registering a power supply schedule for supplying power to each of the interphone slave units,
An intercom system having a power feeding function, wherein a specific command related to the start or stop of power feeding is transmitted to the interphone handset every time the power feeding start or stop timing registered in the power feeding schedule arrives . The intercom system according to any one of claims 1 to 3,
At least one external device connected to the power supply connector is a lighting device,
The external device power supply means included in the interphone slave unit is a power supply to which the lighting device is connected when the interphone master unit calls the interphone master unit or when the interphone master unit calls the own interphone slave unit. An intercom system having a power feeding function, wherein power is supplied to a connector.

Images