JP2019149373A - Plug connector and device control system using the same - Google Patents

Abstract

To provide a plug connector and a device control system using the same to reduce communication traffic.SOLUTION: A plug connector 1 for a wiring having a plug 101 and a plug receiver 102 includes a sound collecting unit 11, a determination unit 12, and a transmitting unit 14. The sound collection unit 11 collects an ambient sound and generates a sound signal composed of an electrical signal. The determination unit 12 determines the presence/absence of an event accompanied by generation of a specific sound on the basis of the sound signal. The transmission unit 14 transmits a notification signal based on the determination result of the determination unit 12.SELECTED DRAWING: Figure 1

Description

  The present invention generally relates to a plug connector and a device control system using the plug connector, and more particularly to a plug connector for wiring having a plug and a plug receptacle, and a device control system using the plug connector.

  2. Description of the Related Art Conventionally, a wiring plug connector having a plug plug and a plug socket has a communication function (see, for example, Patent Document 1). The electric power measurement tap (plug-in connector) of Patent Document 1 has a function of measuring electric power supplied to an electric device connected to itself. Further, the power measurement tap of Patent Document 1 also has a communication function for transmitting power consumption information indicating a power measurement result to the wireless adapter by a wireless signal.

JP 2014-185965 A

  In an insertion connector having a communication function, it has been desired to reduce communication traffic.

  This invention is made | formed in view of the said reason, The objective is to provide the plug-in connector which can reduce communication traffic, and an apparatus control system using the same.

  The plug connector of the present invention is a plug connector for wiring having a plug and a plug socket, collects ambient sounds, and generates a sound signal composed of an electrical signal; and Based on the acoustic characteristics of the sound signal, it is determined whether the sound generated around the plug-in connector is a specific sound, and a determination unit that determines whether there is an event accompanied by the generation of the specific sound; A transmission unit that transmits a notification signal based on the determination result of the determination unit.

  The device control system of the present invention includes the above-described plug connector and a receiving device that receives the notification signal from the transmission unit of the plug-in connector, and the receiving device determines the determination result of the determining unit. The apparatus is controlled based on the above.

  The present invention has an effect that communication traffic can be reduced.

1 is a block configuration diagram of a device control system in Embodiment 1. FIG. FIG. 2A is an external perspective view of the plug connector according to Embodiment 1. FIG. FIG. 2B is an external perspective view of a state in which the plug receptacle of the outlet and the plug of the power cable are connected to the plug connector according to the first embodiment. It is an external appearance perspective view of the 1st modification of the plug connector in Embodiment 1. FIG. 4A is an external perspective view of a second modification of the plug-in connector in Embodiment 1. FIG. 4B is a top view of a second modification of the plug-in connector in Embodiment 1. FIG. It is a block block diagram of the apparatus control system in Embodiment 2. It is a block block diagram of the apparatus control system in Embodiment 3.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
(Embodiment 1)
FIG. 1 shows a block configuration diagram of a device control system 10 using the plug connector 1, and FIGS. 2A and 2B show external perspective views of the plug connector 1. The plug connector 1 is a wiring plug connector (so-called power tap) having a plug 101 and a plug receiver 102 that are electrically connected to each other. The plug plug 101 is configured to be connectable to a plug receiver 601 of an outlet 60 (receptacle), and the plug receiver 102 is configured to be connectable to a plug plug 611 of the power cable 61.

  The plug-in connector 1 of the present embodiment includes a sound collection unit 11, a determination unit 12, a storage unit 13, and a transmission unit 14. When a specific sound is generated around the plug-in connector 1, the server 2 (reception And a communication function for transmitting a notification signal indicating that a specific sound has occurred. In addition, the device control system 10 of the present embodiment includes the plug-in connector 1 and the server 2, and the server 2 controls the device. Below, the structure of the plug-in connector 1 and the apparatus control system 10 is demonstrated in detail.

  The sound collection unit 11 is configured by, for example, a microphone, collects sound generated around the plug-in connector 1, and converts the collected sound into a sound signal including an electric signal. Then, the sound collection unit 11 outputs the generated sound signal to the determination unit 12.

  The determination unit 12 determines whether or not the sound generated around the plug-in connector 1 is a specific sound based on the sound signal generated by the sound collection unit 11. Then, when the sound generated around the plug-in connector 1 is a specific sound, the determination unit 12 determines that an event accompanied by the generation of the specific sound has occurred around the plug-in connector 1. In the present embodiment, multiple types of sounds are set in advance in the determination unit 12 as specific sounds, and the determination unit 12 determines the presence or absence of an event (event) in which any of the multiple specific sounds occurs. As an example of the specific sound, there are “a sound that breaks the glass”, “a clapping (hand clapping sound)”, “a dog cry”, “a loud sound”, and the like. Note that the type of the specific sound is not limited to the above and may be other sounds.

  The storage unit 13 is composed of, for example, an EEPROM (Electrically Erasable Programmable Read-Only Memory), and stores a plurality of reference data corresponding to each of a plurality of specific sounds. The reference data is data based on a sound signal corresponding to a specific sound.

  The determination unit 12 compares the sound signal generated by the sound collection unit 11 with the reference data stored in the storage unit 13, and determines the presence or absence of an event based on the comparison result. Specifically, the determination unit 12 compares the acoustic characteristics of the sound signal generated by the sound collection unit 11 with the acoustic characteristics of each of the plurality of reference data stored in the storage unit 13. Here, the acoustic characteristics indicate sound pressure (SPL: Sound Pressure Level), frequency characteristics, waveform pattern (sound pressure temporal change characteristics), and the like. Then, the determination unit 12 extracts reference data that matches the acoustic characteristics of the sound signal generated by the sound collection unit 11, and determines that a specific sound corresponding to the extracted reference data is generated. The “reference data suitable for the acoustic characteristics of the sound signal generated by the sound collecting unit 11” has acoustic characteristics similar to the acoustic characteristics of the sound signal generated by the sound collecting unit 11, and the sound collecting unit 11 This is reference data corresponding to a specific sound that can be regarded as the same type as the collected sound. Hereinafter, an example of determination of the sound collected by the sound collection unit 11 by the determination unit 12 will be described.

  (1) When the sound collection unit 11 collects sound generated when an intruder breaks the window glass of the house, the determination unit 12 is similar to the frequency characteristic of the sound signal generated by the sound collection unit 11. The reference data corresponding to the specific sound “sound that breaks the glass” is extracted. Then, the determination unit 12 determines that the specific sound “sound that breaks the glass” has occurred.

  (2) When the sound collection unit 11 collects a sound of clapping hands at a predetermined rhythm (for example, 3 times in 2 seconds), the determination unit 12 determines the frequency characteristics and waveform pattern of the sound signal generated by the sound collection unit 11 The reference data corresponding to the specific sound “hand clapping” similar to is extracted. Then, the determination unit 12 determines that the specific sound “hand clapping” has occurred.

  A predetermined sound pressure is set as a threshold value in the reference data corresponding to the specific sound “loud sound”. When the sound pressure of the sound collected by the sound collection unit 11 is larger than the sound pressure indicated by the reference data corresponding to the specific sound “large sound”, the determination unit 12 corresponds to the specific sound “large sound”. The reference data is extracted, and it is determined that the specific sound “loud sound” is generated. Note that the sound pressure set to the specific sound “loud sound” is the sound of the sound generated in the daily life of the user of the plug-in connector 1 so that the sound generated in daily life is not discriminated as the specific sound “loud sound”. It is desirable to adjust to the pressure.

  Moreover, the determination part 12 determines that the event accompanying generation | occurrence | production of a specific sound has not generate | occur | produced, when the reference | standard data suitable for the acoustic characteristic of the sound signal which the sound collection part 11 produced | generated are not in the memory | storage part 13.

  The transmission unit 14 includes a communication interface, and transmits the determination result of the determination unit 12 to the server 2 as a notification signal. Specifically, the transmission unit 14 transmits a notification signal to the server 2 via the monitoring device 3. As a communication method between the transmission unit 14 and the monitoring device 3, for example, wired communication using power line communication (PLC) or wireless communication using a wireless signal as a communication medium is employed. The monitoring device 3 has a function as a router and a modem (or an optical network unit (ONU)), and is electrically connected to the server 2 via an electric line NT1 (for example, an Internet line). Has been. And the transmission part 14 transmits the determination result of the determination part 12 to the server 2 via the monitoring apparatus 3 as a notification signal. Note that the transmission unit 14 does not transmit the notification signal when the determination unit 12 determines that “the event accompanied by the generation of the specific sound has not occurred”.

  The server 2 controls the device using the received notification signal as a trigger. Specifically, the server 2 outputs a device control command based on the determination result of the determination unit 12 indicated by the received notification signal. In the present embodiment, as an example of devices controlled by the server 2, a camera 31, a lighting fixture 32, and a plurality of electrical devices 30 that are communicatively connected to the monitoring device 3, and a user's home of the plug-in connector 1 Are provided with a call terminal 42 and a user notification terminal 5.

  For example, the server 2 determines that an abnormality has occurred around the plug-in connector 1 when receiving a notification signal indicating a determination result that the specific sound “sound that breaks the glass” has occurred. In this case, the server 2 outputs a control command for causing the camera 31 (network camera) to perform photographing. Thereby, for example, when an intruder breaks the window glass and enters the house, the camera 31 is automatically activated in response to the sound of the window glass breaking, so that the crime prevention is improved. Furthermore, the server 2 notifies the user's notification terminal 5 (for example, a smartphone) that the specific sound “sound that breaks the glass” has occurred via the electric line NT1. Thereby, even if the user is going out, the user can grasp the abnormality that has occurred in the house. When the server 2 determines that an abnormality has occurred around the plug-in connector 1, the server 2 notifies the management device 41 that an abnormality has occurred in the user's house. The management device 41 contacts the call terminal 42 provided in the user's house via the telephone line NT2, and confirms safety. The call terminal 42 preferably has a hands-free function.

  Note that the sound that the server 2 determines that an abnormality has occurred around the plug-in connector 1 is not limited to “a sound that breaks the glass”. For example, the server 2 determines that an abnormality has occurred around the plug-in connector 1 even when a loud sound is generated or when a dog cry continues for a certain time. In addition, the server 2 has a home mode set when the user is at home as an operation mode, and an unattended mode set when the user is out (at home), and performs an operation according to the operation mode being set. It may be configured. For example, the server 2 is connected to the plug-in connector 1 when a sound is generated in the absence mode and when a notification signal is not transmitted from the plug-in connector 1 (silent state) in the home mode for a long time. Judge that an abnormality has occurred in the surrounding area.

  In addition, when receiving a notification signal indicating a determination result that the specific sound “hand clapping” has occurred, the server 2 outputs a control command for switching the lighting state to the lighting fixture 32. Thereby, the user can turn on or off the lighting fixture 32 without operating an operation switch or a remote controller, and convenience is improved. In addition, the user can operate the lighting fixture 32 by intentionally generating the specific sound “hand clapping”, and does not need to look for a remote control or the like even in a dark state at night.

  Further, the server 2 may be configured to turn on the luminaire 32 installed outdoors when a sound is generated in the absence mode. Thereby, the lighting fixture 32 installed outdoors can be functioned as a crime prevention light, and crime prevention property improves.

  The operation of the server 2 for the specific sound described above is an example and is not limited to the above. For example, the server 2 may be configured to notify the management device 41 to contact the call terminal 42 when receiving a notification signal indicating a determination result that the specific sound “hand clapping” has occurred. . In addition, the server 2 is configured so that the operation of the server 2 is a user-desired operation with respect to a specific sound (for example, clapping) that can be intentionally generated by the user. Will be improved.

  As described above, the plug connector 1 of the present embodiment is a wiring plug connector 1 having the plug 101 and the plug receiver 102, and includes the sound collection unit 11, the determination unit 12, and the transmission unit 14. Is provided. The sound collection unit 11 collects ambient sounds and generates a sound signal including an electrical signal. The determination unit 12 determines the presence or absence of an event accompanied by the generation of a specific sound based on the sound signal. The transmission unit 14 transmits a notification signal based on the determination result of the determination unit 12.

  With the above configuration, the plug-in connector 1 determines whether or not a specific sound is generated around the plug-in connector 1, and transmits the determination result to the server 2 as a notification signal. Since the notification signal transmitted to the server 2 by the plug-in connector 1 is a determination result indicating whether or not a specific sound is generated, the amount of data is small compared to the sound signal of the sound collected by the sound collecting unit 11, and Communication traffic between the connector 1 and the server 2 can be suppressed. Further, since the plug connector 1 is used by being connected to the outlet 60, the power is always supplied from the system power supply. Therefore, the plug-in connector 1 can always monitor a specific sound and further does not need a battery, so that the configuration of the plug-in connector 1 can be simplified and downsized. The plug connector 1 collects sounds around the plug connector 1 using the sound collecting unit 11. Therefore, even when there are obstacles (shields) around the plug connector 1, the sound collecting unit 11 can collect sound, so that the installation environment of the plug connector 1 is less restricted.

  Moreover, the plug-in connector 1 of this embodiment is further provided with the memory | storage part 13 which memorize | stores the reference data of the sound signal corresponding to a specific sound. The determination unit 12 compares the sound signal with the reference data, and determines the presence / absence of an event accompanied by the generation of the specific sound based on the comparison result.

  With the above configuration, the determination unit 12 determines the sound generated around the plug-in connector 1 based on the reference data of the sound signal corresponding to the specific sound. More improved.

  The device control system 10 according to the present embodiment includes the plug-in connector 1 and a server 2 (receiving device) that receives a notification signal from the transmitter 14 of the plug-in connector 1. The server 2 (receiving device) controls the devices (electric device 30, camera 31, lighting fixture 32, call terminal 42, notification terminal 5) based on the determination result of the determination unit 12.

  With the above configuration, the notification signal transmitted from the plug-in connector 1 to the server 2 is a determination result indicating whether or not a specific sound is generated, so that the data amount is larger than the sound signal of the sound collected by the sound collection unit 11 The communication traffic between the plug-in connector 1 and the server 2 can be suppressed. Thereby, even in a communication environment with a small transmission capacity, the notification signal is transmitted from the plug-in connector 1 to the server 2, and the server 2 can control the device.

  Next, the structure of the plug-in connector 1 of this embodiment is demonstrated using FIG. 2A and FIG. 2B.

  The case 100 (housing) of the plug connector 1 of the present embodiment is formed in a rectangular parallelepiped shape, the plug insertion hole 103 of the plug receiver 102 is formed on the front surface, and the plug plug 101 is provided on the back surface. Yes. The case 100 houses a sound collection unit 11, a determination unit 12, a storage unit 13, and a transmission unit 14.

  A sound collection hole 104 is provided on the front surface of the case 100. The sound collection hole 104 is a circular through hole, and the sound collection unit 11 is provided therein. Since the sound collecting unit 11 can collect the sound generated around the plug-in connector 1 through the sound collecting hole 104, the sound collecting and sound insulation are suppressed, and the sound can be collected efficiently. .

  In addition, since the sound collecting hole 104 is formed in the front surface of the case 100 in the plug connector 1 of the present embodiment, foreign matters such as dust may enter the case 100 through the sound collecting hole 104. It is suppressed. Further, the sound collecting hole 104 is provided above the plug receiver 102 on the front surface of the case 100, and even when the plug plug 611 of the power cable 61 is connected to the plug receiver 102, I can't block it. Thereby, the sound insulation by the insertion plug 611 is suppressed, and the sound collection part 11 can collect sound efficiently. The position where the sound collection hole 104 is provided is not limited to the front surface of the case 100, but may be provided on the side surface of the case 100 (see FIG. 3) or the lower surface of the case 100. Even in this case, foreign matter such as dust is prevented from entering the case 100 through the sound collection hole 104.

  Moreover, the form of the sound collection hole 104 is not limited to the through hole, and may be formed of a bottomed recess provided in the case 100. In this case, the sound collection unit 11 is provided inside the recess, more specifically at the bottom of the recess. With such a configuration, even if the insertion plug 611 is connected to the plug receiver 102, the sound collection unit 11 can collect the sound generated around the insertion connector 1 through the opening of the recess. Therefore, it is possible to efficiently collect sound by suppressing the noise and sound insulation.

  4A and 4B, a sound collection hole 104A may be provided between a pair of plug insertion holes 103 included in the plug receiver 102. In the example shown in FIGS. 4A and 4B, the plug connector 1 is a multi-tap having two plug receptacles 102 provided side by side in the vertical direction. A groove 105 is formed on the front surface of the case 100 of the plug-in connector 1. The groove 105 is formed along the vertical direction from the upper end of the case 100 so as to pass between the pair of plug insertion holes 103 included in the upper plug receiver 102. A sound collection hole 104 </ b> A is provided at a position between the pair of plug insertion holes 103 at the bottom of the groove 105. Therefore, even if the insertion plug 611 is connected to the plug receiver 102, a gap is formed between the opening of the sound collection hole 104A and the insertion plug 611, and the sound collection unit 11 is inserted into the insertion connector 1 through this gap. It is possible to collect sound generated around the. The shape of the groove 105 is not limited to the above, and any shape may be used as long as the sound collecting hole 104 is provided at the bottom and is continuously formed from the sound collecting hole 104 </ b> A to the outside of the plug receiver 102. That is, the groove 105 only needs to be formed so that a part of the bottom is exposed even when the plug 611 is connected to the plug receiver 102.

  Thus, the plug connector 1 of the present embodiment further includes the case 100 provided with the plug 101, the plug receiver 102, and the sound collection unit 11. The sound collection unit 11 is provided inside a sound collection hole 104 (104A) formed in the case 100.

  With the above configuration, the sound collecting unit 11 can collect the sound generated around the plug-in connector 1 through the sound collecting hole 104 (104A). It is possible to make a sound.

  The plug connector 1 of the present embodiment is configured to include one or two plug receptacles 102, but may be configured to include three or more plug receptacles 102 (so-called multi-tap).

Moreover, the structure provided with the electric power measurement part which measures the electric power supplied to an apparatus from the system power supply through the plug-in connector 1 may be sufficient as the plug-in connector 1. In this case, the transmission unit 14 notifies the server 2 of the measurement result of the power measurement unit.
(Embodiment 2)
FIG. 5 shows a schematic configuration diagram of the device control system 10A of the present embodiment. The device control system 10A of the present embodiment is different from the device control system 10 of the first embodiment in that it includes a plurality of plug connectors 1. In addition, the same code | symbol is attached | subjected to the structure similar to Embodiment 1, and description is abbreviate | omitted.

  The device control system 10A of the present embodiment includes a plurality (four in the present embodiment) of plug connectors 1A to 1D, and the plug connector 1A is the parent of the four plug connectors 1A to 1D. The machine 1A and the remaining plug connectors 1B to 1D are set as slave units 1B to 1D. In addition, “A” is added to the end of the reference numeral for the components included in the base unit 1A, and “B”, “C”, and “D” are added to the end of the reference numerals for the constituent elements included in each of the slave units 1B to 1D. Attached. Master unit 1A further includes a selection unit 15A and an estimation unit 16A in addition to the configuration of plug-in connector 1 of the first embodiment.

  The master unit 1A and the slave units 1B to 1D are configured to be communicable with each other using wired communication (for example, power line carrier communication) or wireless communication as a communication means. The master unit 1A and the slave units 1B to 1D are provided in the same room, and the sound collecting units 11A to 11D of the master unit 1A and the slave units 1B to 1D collect sound generated in the same space. Generate a sound signal.

  The determination unit 12B of the child device 1B determines the presence / absence of an event accompanied by the generation of a specific sound based on the sound signal generated by the sound collection unit 11B. And the transmission part 14B of the subunit | mobile_unit 1B transmits the determination result of the determination part 12B, and the sound signal which the sound collection part 11B produced | generated to the main | base station 1A as a notification signal. Similar to the determination unit 12B of the child device 1B, the determination units 12C and 12D of the child devices 1C and 1D indicate whether or not there is an event accompanied by the occurrence of a specific sound based on the sound signal generated by the sound collection units 11C and 11D. to decide. Then, the transmission units 14C and 14D of the slave units 1C and 1D transmit the determination results of the determination units 12C and 12D and the sound signals generated by the sound collection units 11C and 11D to the master unit 1A as notification signals.

  Based on the sound signal generated by sound collection unit 11B, determination unit 12A of base unit 1A determines the presence or absence of an event accompanied by the generation of a specific sound.

  The selection unit 15A included in the parent device 1A selects one determination result from the determination result of the determination unit 12A of the parent device 1A and the determination results of the determination units 12B to 12D of the child devices 1B to 1D. Choose as. Specifically, the selection unit 15A selects, as the selection determination result, the most frequent determination result among the determination results of the determination units 12A to 12D of the parent device 1A and the child devices 1B to 1D, respectively. For example, the determination results of the determination units 12A to 12C of the parent device 1A and the child devices 1B and 1C are the determination results that “the specific sound“ the sound of broken glass ”has occurred”, and the determination unit 12D of the child device 1D It is assumed that the determination result is a determination result that “the specific sound“ hand clapping ”has occurred”. In this case, the selection unit 15A selects a determination result that “a specific sound“ a sound of broken glass ”has occurred”. When the most number of determination results is the same, the selection unit 15A preferentially selects the determination result of the determination unit 12A of the parent device 1A as the selection determination result.

  In addition, the estimation unit 16A included in the parent device 1A is based on the sound signal generated by the sound collecting units 11A to 11D of the parent device 1A and the child devices 1B to 1D, and the position of the sound source of the specific sound and the sound source of the specific sound. Estimate the direction of movement. Specifically, the estimation unit 16A is based on the installation location of the master unit 1A based on the phase difference, time difference, frequency characteristic, sound pressure difference, and the like of the waveform of the sound signal generated by each of the sound collection units 11A to 11D. The position of the sound source and the moving direction of the sound source are estimated. The estimation unit 16A may be configured to estimate only one of the position of the sound source of the specific sound and the moving direction of the sound source of the specific sound.

  Then, the transmission unit 14A transmits the position of the sound source of the specific sound estimated by the estimation unit 16A, the moving direction of the sound source, and the selection determination result selected by the selection unit 15A to the server 2 as a notification signal. Thereby, the server 2 can grasp | ascertain in detail the condition of the room in which the main | base station 1A and the subunit | mobile_unit 1B-1D were installed. For example, in addition to the determination result that “a specific sound“ a sound of broken glass ”has occurred”, it is possible to grasp which position in the room the window glass has broken. Therefore, the server 2 can perform control of devices more suitable for the situation of the room in which the parent device 1A and the child devices 1B to 1D are provided.

  As described above, the device control system 10 according to the present embodiment includes a plurality of plug-in connectors 1, and at least one of the plurality of plug-in connectors 1 (master device 1A, slave devices 1B to 1D) is the master device 1A. The rest are the slave units 1B to 1D. The transmission units 14B to 14D of the slave units 1B to 1D transmit the determination results of the determination units 12B to 12D as notification signals to the master unit 1A. Base unit 1A further includes a selection unit 15A that selects one determination result as a selection determination result from the determination result of determination unit 12A of base unit 1A and the determination results of determination units 12B to 12D of slave units 1B to 1D. . The transmission unit 14A of the parent device 1A transmits the selection determination result to the server 2 (reception device) as a notification signal.

  With the above configuration, only one determination result is transmitted to the server 2 as a notification signal from the determination results of the determination units 12A to 12D of the parent device 1A and the child devices 1B to 1D. Therefore, communication traffic can be reduced as compared with the case where the parent device 1A and each of the child devices 1B to 1D individually transmit notification signals.

  Further, the selection unit 15A selects the most frequent determination result as the selection determination result among the determination results of the determination unit 12A of the parent device 1A and the determination results of the determination units 12B to 12D of the child devices 1B to 1D.

  With the above configuration, the determination result to be notified to the server 2 by majority decision is determined from the determination results of the determination units 12A to 12D of the parent device 1A and the child devices 1B to 1D. Therefore, the determination result of the presence or absence of the specific sound notified to the server 2 becomes more accurate.

  In the device control system 10A of the present embodiment, the transmission units 14B to 14D of the slave units 1B to 1D use the determination results of the determination units 12B to 12D and the sound signals of the sound collection units 11B to 11D as notification signals. Send to 1A. Base unit 1A further includes an estimation unit 16A that estimates at least one of the position of the sound source of the specific sound and the moving direction of the sound source based on the sound signal of base unit 1A and the sound signals of handset 1B to 1D. The transmission unit 14A of the parent device 1A transmits the selection determination result selected by the selection unit 15A and the estimation result estimated by the estimation unit 16A as a notification signal to the reception device.

  With the above configuration, the result of estimating at least one of the position and moving direction of the sound source of the specific sound is notified to the server 2 (reception device), so the accuracy for determining the specific sound is further improved.

In addition, the main unit 1A and the sub units 1B to 1D may employ the plug connector 1 having a different configuration, or may employ the plug connector 1 having the same configuration. When the plug-in connector 1 having the same configuration is adopted in the parent device 1A and the child devices 1B to 1D, the plug-in connector 1 is connected to the parent device mode in which the plug-in connector 1 functions as the parent device, and plug-in connection. There is provided a changeover switch for switching the slave mode that causes the device 1 to function as a slave. When the user operates the changeover switch, the plug-in connector 1 can function as a parent device or a child device.
(Embodiment 3)
A schematic configuration diagram of the device control system 10B of the present embodiment is shown in FIG. The device control system 10B of the present embodiment includes a plurality (four in the present embodiment) of plug connectors 1A to 1D (master unit 1A, slave units 1B to 1D). Each of the master unit 1A and the slave units 1B to 1D includes analysis units 17A to 17D configured by, for example, a microcomputer. In addition, the same code | symbol is attached | subjected to the structure similar to Embodiment 2, and description is abbreviate | omitted.

  The analysis unit 17A of the base unit 1A analyzes the reverberation component included in the sound signal generated by the sound collection unit 11A. Specifically, based on the sound signal, the analysis unit 17A uses the ratio of the peak value of the sound pressure of the reflected sound (reverberation sound) to the peak value of the sound pressure of the direct sound as a reverberation component included in the sound signal. Ask. Note that the analysis unit 17A determines that a sound whose predetermined sound pressure has decreased from the peak value of the sound pressure of the direct sound is a reflected sound (reverberation sound). Similarly to the analysis unit 17A, each of the analysis units 17B to 17D has a sound pressure peak of reflected sound (reverberation sound) with respect to a direct sound pressure peak value based on sound signals generated by the sound collection units 11B to 11D. The ratio of values is obtained as a reverberation component. Further, each of the transmission units 14B to 14D of each of the slave units 1B to 1D uses the data in which the analysis results of the analysis units 17B to 17D and the determination results of the determination units 12B to 12D are associated with each other as a notification signal. Send to 1A.

  Based on the analysis results of the analysis units 17A to 17D of the master unit 1A and the slave units 1B to 1D, the selection unit 15A of the master unit 1A selects one determination result as the selection determination result from the determination results of the determination units 12A to 12D. select. Specifically, the selection unit 15A selects the determination result corresponding to the analysis result with the smallest reverberation component as the selection determination result from the analysis results of the analysis units 17A to 17D. That is, the selection unit 15A corresponds to the analysis result in which the ratio of the peak value of the sound pressure of the reflected sound (reverberation sound) to the peak value of the sound pressure of the direct sound is the smallest among the analysis results of the analysis units 17A to 17D. The determination result is selected as the selection determination result. Here, the peak value of the sound pressure of the direct sound is higher as the distance from the sound source is closer, and lower as it is farther away. On the other hand, the peak value of the sound pressure of the reflected sound (reverberation sound) is almost constant regardless of the distance from the sound source. Accordingly, the ratio of the sound pressure peak value of the reflected sound (reverberation sound) to the sound pressure peak value of the direct sound is small, that is, the distance from the sound source is closer as the reverberation component is smaller. That is, the selection unit 15A selects, as the selection determination result, the determination result of the determination unit 12 included in the plug-in connector 1 closest to the sound source among the parent device 1A and the child devices 1B to 1D.

  Then, the transmission unit 14A of the base unit 1A transmits the selection determination result selected by the selection unit 15A to the server 2 as a notification signal.

  As described above, in the device control system 10B of the present embodiment, each of the parent device 1A and the child devices 1B to 1D further includes analysis units 17A to 17D that analyze the reverberation components included in the sound signal. The transmission units 14B to 14D of the slave units 1B to 1D transmit the determination results of the determination units 12A to 12D and the analysis results of the analysis units 17B to 17D to the master unit 1A as notification signals. The selection unit 15A of the main unit 1A determines the determination result corresponding to the analysis result having the least reverberation component among the determination results of the determination unit 12A of the main unit 1A and the determination results of the determination units 12B to 12D of the sub units 1B to 1D. Is selected as a selection determination result.

  With the above configuration, the determination result of the plug connector 1 (master unit 1A, slave units 1B to 1D) closest to the sound source of the specific sound is adopted as a notification signal transmitted to the server 2 (receiving device). Therefore, the determination result of the presence or absence of the specific sound notified to the server 2 becomes more accurate.

  The above-described embodiment is an example of the present invention. For this reason, the present invention is not limited to the above-described embodiment, and various modifications can be made according to design and the like as long as the technical idea according to the present invention is not deviated from this embodiment. Of course, it can be changed.

DESCRIPTION OF SYMBOLS 1 Plug connector 1A Master unit 1B-1D Slave unit 10, 10A, 10B Device control system 11 (11A-11D) Sound collection part 12 (12A-12D) Judgment part 13 (13A-13D) Storage part 14 (14A- 14D) Transmission unit 15A Selection unit 16A Estimation units 17A to 17D Analysis unit 100 Case 101 Plug 102 Plug receptacle 104, 104A Sound collection hole 2 Receiver (server)
30 Electrical equipment
31 Camera (equipment)
32 Lighting equipment (equipment)
42 Call terminals (equipment)
5 Notification terminal (equipment)

Claims (5)

An insertion connector for wiring having an insertion plug and a plug receptacle,
A sound collection unit that collects ambient sounds and generates a sound signal composed of an electrical signal;
Based on the acoustic characteristics of the sound signal, it is determined whether the sound generated around the plug-in connector is a specific sound, and a determination unit that determines whether there is an event accompanied by the generation of the specific sound;
A plug-in connector, comprising: a transmission unit that transmits a notification signal based on a determination result of the determination unit. A storage unit for storing reference data of the sound signal corresponding to the specific sound;
The plug-in connector according to claim 1, wherein the determination unit compares the sound signal with the reference data and determines the presence or absence of the event based on a comparison result. The storage unit stores a plurality of reference data corresponding to a plurality of the specific sounds,
The determination unit compares the sound signal with the plurality of reference data, and determines whether or not there is an event accompanied by generation of any one of the plurality of specific sounds. Plug connector as described. Further comprising a case provided with the plug, the plug receptacle, and the sound collection unit,
The plug connector according to any one of claims 1 to 3, wherein the sound collection unit is provided inside a sound collection hole formed in the case. The plug connector according to any one of claims 1 to 4,
A receiving device for receiving the notification signal from the transmitter of the plug-in connector;
The receiving apparatus controls a device based on a determination result of the determination unit.

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