JP2013042389A - Intercom system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To inform whether an inhabitant is present or absent on the outside of a dwelling unit upon occurrence of abnormality in other dwelling unit of a collective housing, and to use the light source of an intercom slave unit effectively.SOLUTION: An intercom system 1 comprises: an intercom master unit 2 installed in a dwelling unit; an intercom slave unit 3 installed on the outside of the dwelling unit; and an alarm monitoring board 5 which monitors a plurality of dwelling units. The intercom slave unit 3 has an illumination part 351 which illuminates the imaging region of a camera 341. The alarm monitoring board 5 has an abnormality detection unit 521 which detects abnormality occurring in each dwelling unit, and a notification unit 522 which notifies occurrence of abnormality to the intercom master unit 2 installed in other dwelling unit different from the dwelling unit in which abnormality has occurred. The intercom master unit 2 has a display unit 242 which displays an image captured by means of a camera 341, and a lighting control unit 251 which changes the lighting pattern of the illumination part 351 when the inhabitant is present and absent in response to notification of occurrence of abnormality from the alarm monitoring board 5.

Description

  The present invention relates to an intercom system used in an apartment house.

  In recent years, as the video of the intercom system has become a color video, there is an increasing demand for judging a visitor's face with a color video even at night (see, for example, Patent Document 1).

  However, in the case of a color image, if the imaging region is not irradiated with white light, the illuminance of the imaging region is insufficient, so that a clear color image cannot be obtained.

  Therefore, in a color video intercom system, a light source unit that emits visible light as an illumination unit that illuminates an imaging region has been provided in a door phone slave unit.

JP 2001-309362 A

  However, in the conventional intercom system for color images, the light source unit (illumination unit) of the door phone slave unit is only used for illuminating the imaging region during imaging, and thus further effective use of the light source unit is desired. It was.

  In addition, when a visitor visits a conventional intercom system, the visitor outside the dwelling unit can be informed to the dwellers in the dwelling unit. However, when an abnormality occurs in another dwelling unit in the apartment house, It was not possible to inform people outside the house whether the resident was at home or absent. At-home information that indicates whether the resident is at home or away at each unit changes from time to time depending on the behavior of the resident, so there is a need for a means for notifying people outside the unit of the at-home information at the time of the occurrence of the abnormality. .

  The present invention has been made in view of the above points, and an object of the present invention is to notify outside of a dweller whether a resident is at home or absent when an abnormality occurs in another dwelling unit in an apartment house. Another object of the present invention is to provide an intercom system that can effectively use the light source part of the door phone slave unit.

  The intercom system according to the present invention includes an intercom master unit installed in each dwelling unit and a doorphone slave installed outside the dwelling unit, and an alarm for monitoring a plurality of dwelling units in the collective housing. A monitoring panel, wherein the door phone slave unit is an imaging unit that images a person in a predetermined area outside the dwelling unit, and a light source unit that is lit to illuminate the area during imaging by the imaging unit, The alarm monitoring panel includes an abnormality detection unit that detects an abnormality that has occurred in at least one of the plurality of dwelling units, and the intercom parent that is installed in another dwelling unit different from the dwelling unit in which the abnormality has occurred. A notification unit that notifies the occurrence of an abnormality to a machine, and the interphone master unit includes a display unit that displays an image captured by the imaging unit of the door phone slave unit, and the abnormality occurrence from the alarm monitoring panel. There is notified, and having a lighting control unit for changing the lighting pattern of the light source unit of the intercom slave unit in the case if the the inhabitants inhabitants are at home is absent.

  In this intercom system, the interphone master unit has a mode setting unit that selects and sets one of a home mode in which the resident is at home and an absence mode in which the resident is absent, When the abnormality is notified from the alarm monitoring panel, the lighting control unit preferably changes the lighting pattern of the light source unit between the home mode and the absence mode.

  In the present invention, when an abnormality occurs in another dwelling unit in the apartment house, the light source unit of the door phone sub unit outside the dwelling changes the lighting pattern between when the resident is at home and when the resident is absent. Lights up. Thereby, when the said abnormality generate | occur | produces, it can alert | report outside a residence whether a resident is at home or is absent. As a result, people outside the house, such as managers and firefighters, can know from the outside of the house whether the resident of each house is at home or not. Can respond. Further, in the present invention, the light source unit of the door phone unit is shared between the case where the imaging region is illuminated at the time of imaging and the case where the resident is present or absent when the abnormality occurs. Therefore, the light source part of the door phone can be used effectively.

It is a block diagram of the intercom system concerning an embodiment. It is a block diagram of the intercom system which concerns on the same as the above. It is a flowchart which shows operation | movement of the intercom system which concerns on the same as the above.

  In the following embodiment, an intercom system used for an apartment house will be described. An apartment house is a building including a plurality of dwelling units and a common space, such as an apartment. As a common space, for example, there is a lobby in front of the common entrance.

  As shown in FIG. 2, the intercom system 1 according to the present embodiment includes a plurality of interphone master units 2 (only one is shown in FIG. 2) installed in the dwelling unit of each dwelling unit in the apartment house, and each dwelling unit. A plurality of doorphone units 3 (only one is shown in FIG. 2) installed outside the dwelling unit, and a plurality of sensors 4 (only one is shown in FIG. 2) installed inside the dwelling unit of each dwelling unit, It has. As the outside of the dwelling unit in which the doorphone sub unit 3 is installed, for example, there is a front door of the dwelling unit. The intercom system 1 of the present embodiment includes an alarm monitoring panel 5 that monitors a plurality of dwelling units in the apartment house, and a lobby interphone 6 that is installed in the lobby of the apartment house. In the present embodiment, at least one interphone master unit 2, door phone slave unit 3, and sensor 4 are installed for each dwelling unit in the apartment house. Depending on the dwelling unit, at least one of the interphone master unit 2, the door phone slave unit 3, and the sensor 4 may be installed. In addition, the intercom master unit 2, the door phone slave unit 3, and the sensor 4 do not have to be installed in all the dwelling units in the apartment house, and may be installed in at least two or more dwelling units in the apartment house.

  Such an intercom system 1 according to the present embodiment has a lighting pattern that differs depending on whether a resident is at home or a resident is absent in another unit when a security abnormality occurs in any unit. The illumination unit 351 (see FIG. 1) of the door phone sub unit 3 is turned on.

  In the present embodiment, the security abnormality refers to an abnormality requiring emergency evacuation, such as a fire, an earthquake, a gas leak, or a suspicious person intrusion.

  Next, the configuration of each device constituting the intercom system 1 of the present embodiment will be described with reference to FIG.

  First, the configuration of the door phone sub unit 3 will be described. The intercom unit 3 includes a sub unit communication unit 31 that communicates with the intercom base unit 2 installed in the same dwelling unit, a sub unit operation unit 32 that is used when a visitor operates the intercom unit 3, and a microphone. 331, a speaker 332, and a call unit 333 that processes an audio signal. The door phone sub-unit 3 includes a camera (imaging unit) 341 that images a visitor, a video unit 342 that processes a video signal, an illumination unit (light source unit) 351 that illuminates an imaging area of the camera 341, and an illumination unit. And an illumination driving unit 352 for driving 351. Furthermore, the door phone sub unit 3 includes a sub unit side control unit 36 that controls the operation of the door phone sub unit 3. The intercom child device 3 is connected to the intercom base unit 2 by a communication line 91 including a two-wire communication line and a two-wire control line.

  The subunit | mobile_unit side communication part 31 has a function which communicates with the intercom main | base station 2 according to the instruction | indication of the subunit | mobile_unit side control part 36. FIG. Specifically, the handset side communication unit 31 sends a call signal to the intercom base unit 2 when a call button 321 described later is operated. In addition, the handset side communication unit 31 multiplexes the audio signal from the call unit 333 and the video signal from the video unit 342 and transmits the multiplexed signal to the interphone master unit 2.

  The subunit | mobile_unit side operation part 32 is provided with the call button 321 operated in order for the visitor outside a dwelling unit to call the dweller in a dwelling unit.

  The call unit 333 amplifies the audio signal from the microphone 331 or amplifies the audio signal from the intercom base unit 2. The speaker 332 outputs sound corresponding to the sound signal from the interphone master unit 2.

  The camera 341 is an area sensor camera using, for example, a CCD (Charge Coupled Device) image sensor, a CMOS (Complementary Metal Oxide Semiconductor) image sensor, and the like, and images a visitor in an imaging region. The imaging area of the camera 341 is a predetermined area outside the dwelling unit and around the installation location of the doorphone slave unit 3. The video unit 342 frequency modulates the video signal of the video (image) captured by the camera 341.

  The illumination unit 351 lights up so as to illuminate an imaging region, that is, a visitor during imaging by the camera 341. The illumination unit 351 of the present embodiment is an LED (Light Emitting Diode), for example, and irradiates visible light (white light) to the imaging region. The illumination drive unit 352 includes a lighting circuit that lights the illumination unit 351 with a light output in accordance with the control of the slave unit side control unit 36. Thereby, the illuminance of the imaging region can be sufficiently increased, and a clear color image can be obtained.

  In addition, the illumination unit 351 lights up in different patterns depending on whether the resident is at home or absent when a security abnormality occurs as described later.

  The subunit | mobile_unit side control part 36 uses CPU (Central Processing Unit: Central processing unit) as a main component, and controls operation | movement of the door phone subunit | mobile_unit 3. FIG.

  Specifically, the handset-side control unit 36 calls the call by changing the line voltage of the communication line 91 of the communication line 91 when the visitor presses the call button 321. The handset side communication unit 31 is controlled so as to send the signal to the intercom base unit 2.

  Moreover, the subunit | mobile_unit side control part 36 controls the telephone call part 333 and the subunit | mobile_unit side communication part 31 so that the audio | voice signal from the microphone 331 may be sent to the intercom main | base station 2. FIG.

  Further, when the call button 321 is pressed, the handset-side control unit 36 controls the illumination driving unit 352 so that the illumination unit 351 illuminates the imaging region, and the image is displayed so that the camera 341 starts imaging. The unit 342 is controlled. The slave unit side control unit 36 that has started the imaging by the camera 341 controls the video unit 342 and the slave unit side communication unit 31 so that the video signal is transmitted to the interphone master unit 2.

  Next, the configuration of the sensor 4 will be described. The detector 4 is, for example, a fire detector that detects a fire in the dwelling unit, a gas alarm that detects a gas leak in the dwelling unit, a security sensor that detects a suspicious person entering the dwelling unit, and the like. The sensor 4 includes a sensor 41 that detects a security abnormality, a sensor side communication unit 42 that communicates with the interphone master unit 2, and a sensor side control unit 43 that controls the operation of the sensor 4. The sensor 4 is connected to the intercom base unit 2 by a two-wire signal line 92.

  The sensor 41 detects a security abnormality in the dwelling unit. For example, when the sensor 4 is a fire sensor, the sensor 41 detects at least one of heat and smoke due to a fire.

  The sensor-side communication unit 42 applies a square-wave pulse voltage to the signal line 92 to send a security signal and a return signal, which will be described later, to the interphone master unit 2.

  When the sensor 41 detects a security abnormality, the sensor side control unit 43 controls the sensor side communication unit 42 so that the sensor side communication unit 42 sends a security abnormality signal to the interphone master unit 2. On the other hand, when a certain time has elapsed since the sensor 41 no longer detects a security abnormality, the sensor-side control unit 43 determines that there is no security abnormality. At this time, the sensor-side control unit 43 controls the sensor-side communication unit 42 so that the sensor-side communication unit 42 sends a return signal to the intercom base unit 2.

  Next, the configuration of the intercom base unit 2 will be described. The interphone base unit 2 includes a base unit side communication unit 21 for communicating with the door phone sub unit 3, the sensor 4, and the alarm monitoring panel 5, and a base unit side operation unit used when a resident operates the interphone base unit 2. 22, a microphone 231 and a speaker 232, and a call unit 233 for processing an audio signal. In addition, the interphone master unit 2 includes a video unit 241 that processes a video signal, a display unit 242 that displays a video corresponding to the video signal processed by the video unit 241, and a master unit that controls the operation of the interphone master unit 2. Side control unit 25. The intercom base unit 2 is connected to the alarm monitoring panel 5 by a communication line 93 including a two-wire communication line and a two-wire control line. In addition, the intercom base unit 2 is normally supplied with power from the AC power supply 26 (see FIG. 2), and is supplied with power from the emergency power supply 27 (see FIG. 2) in the event of a power failure.

  The base unit side communication unit 21 has a function of communicating with the door phone slave unit 3, the sensor 4 and the alarm monitoring panel 5, and a function of communicating with the lobby intercom 6 via the alarm monitoring panel 5. Specifically, the base-side communication unit 21 receives a security abnormality signal from the sensor 4 and sends the security abnormality signal to the alarm monitoring panel 5. Further, the base-side communication unit 21 separates the audio signal and the video signal that are multiplexed and transmitted from the door phone slave unit 3.

  Base unit side operation unit 22 includes operation button 221, unlock button 222, and emergency button 223. The unlock button 222 is operated when the automatic door 71 (see FIG. 2) of the common entrance 7 is unlocked.

  The speaker 232 is a call for notifying a call from the doorphone slave unit 3 (or lobby intercom 6) when a visitor operates the call button 321 of the doorphone slave unit 3 (or the call button 622 of the lobby intercom 6). Output sound. Further, when the base-side communication unit 21 receives a security abnormality signal from the sensor 4, the speaker 232 outputs an alarm sound for notifying the resident of the security abnormality. This alarm sound is not limited to a buzzer sound, and may be a voice message. The speaker 232 of this embodiment outputs both a buzzer sound and a voice message as an alarm sound.

  The communication unit 233 compares the signal level of the audio signal (speech signal) from the microphone 231 with the signal level of the audio signal (received signal) from the doorphone handset 3 (or lobby interphone 6), and the signal level is low. The direction of the call is switched by attenuating the other voice signal. That is, when the signal level of the transmission signal is higher than the signal level of the reception signal, the call unit 233 sets the call direction from the interphone base unit 2 to the doorphone sub unit 3 (or the lobby intercom 6). On the other hand, when the signal level of the received signal is higher than the signal level of the transmitted signal, the call unit 233 sets the call direction to the interphone master unit 2 from the doorphone slave unit 3 (or lobby interphone 6).

  When the call direction is the direction from the doorphone slave unit 3 (or lobby intercom 6) to the interphone master unit 2, the speaker 232 outputs a sound corresponding to the voice signal from the doorphone slave unit 3 (or lobby intercom 6). .

  The video unit 241 demodulates the frequency of the video signal from the doorphone slave unit 3 and the video signal from the lobby intercom 6 and outputs the result to the display unit 242. The display unit 242 is a video display monitor such as a liquid crystal display (LCD), an organic EL (Electro-Luminescence) display, or a CRT (Cathode-Ray Tube) display. The display unit 242 displays the video imaged by the camera 341 of the doorphone slave unit 3 and the video imaged by the camera 641 of the lobby intercom 6 according to the video signal from the video unit 241. Thereby, the resident in a dwelling unit can confirm the visitor outside a dwelling unit. Further, when the base-side communication unit 21 receives a security abnormality signal from the sensor 4, the display unit 242 displays a pictogram for notifying the resident of the security abnormality.

  Base unit side control unit 25 uses CPU as a main component and applies a DC voltage to communication line (call line) 91 to supply power to door phone slave unit 3. Further, when the base unit side communication unit 21 receives the security abnormality signal from the sensor 4, the base unit side control unit 25 outputs an alarm sound and displays a pictogram. On the other hand, when the base unit side communication unit 21 receives the return signal from the sensor 4, the base unit side control unit 25 stops outputting the alarm sound and displaying the pictogram and returns to the normal state. Further, when the unlock button 222 of the master unit side operation unit 22 is operated, the master unit side communication unit 21 sends an unlock signal for unlocking the automatic door 71 (see FIG. 2) of the common entrance 7 to the lobby intercom. 6, the parent device side control unit 25 controls the parent device side communication unit 21.

  Moreover, the main | base station side control part 25 is provided with the lighting control part 251 which controls the lighting pattern of the illumination part 351 of the door phone sub unit 3. The lighting control unit 251 illuminates the door phone sub-unit 3 when the resident of the dwelling unit is at home and when the resident is absent when a security abnormality occurrence of another dwelling unit is notified from the alarm monitoring panel 5. The lighting pattern 351 is changed. Specifically, when the base unit side communication unit 21 receives a security abnormality signal related to another dwelling unit from the alarm monitoring panel 5, the lighting control unit 251 changes the lighting pattern of the lighting unit 351 of the door phone sub unit 3 as described above. Change it.

  By the way, the main | base station side control part 25 of this embodiment is further provided with the mode setting part 252 which sets a mode according to whether a resident is at home or is absent. The mode setting unit 252 sets either the home mode or the absence mode according to the operation of the resident to the base unit side operation unit 22. The home mode is a mode that is set when the resident is at home. The absence mode is a mode that is set when the resident is absent. As a result, the lighting control unit 251 according to the present embodiment, when notified of the occurrence of a security abnormality from the alarm monitoring panel 5, determines whether the setting mode set by the mode setting unit 252 is the home mode or the absence mode. The lighting pattern of the illumination unit 351 of the door phone sub unit 3 is changed. For example, when the home mode is set, the lighting control unit 251 causes the lighting unit 351 to light up or blink. On the other hand, when the absence mode is set, the lighting control unit 251 turns off the lighting unit 351.

  In addition, the parent device side control unit 25 of the present embodiment further includes a display permission setting unit 253. The display permission setting unit 253 displays the display outside the dwelling unit when the alarm monitoring panel 5 is notified of the occurrence of the security abnormality (the lighting unit 351 of the doorphone slave unit 3 is lit) ) Is permitted. When the outdoor display is permitted, the lighting control unit 251 changes the lighting pattern of the lighting unit 351 between the home mode and the absence mode as described above. On the other hand, when the outdoor display is not permitted, the lighting control unit 251 turns off the lighting unit 351 regardless of whether the home mode is set or the absence mode is set.

  Next, the configuration of the alarm monitoring panel 5 will be described. The alarm monitoring panel 5 is installed in a management room of an apartment house, to which a lobby interphone 6 is connected, and each interphone master unit 2 is connected via a branching unit 8. The alarm monitoring panel 5 controls intercom calls between the intercom master unit 2 and the lobby interphone 6 of each dwelling unit and monitors the security of each dwelling unit. Such an alarm monitoring panel 5 includes a monitoring panel side communication unit 51 that communicates with each interphone master unit 2 and the lobby interphone 6, a monitoring panel side control unit 52 that controls the operation of the alarm monitoring panel 5, a microphone 531 and a speaker. 532, a call unit 533 for processing an audio signal, and a monitoring panel side operation unit 54 used when an administrator operates the alarm monitoring panel 5. The alarm monitoring panel 5 is connected to the lobby intercom 6 by a communication line 94 including a two-wire communication line and a two-wire control line.

  The monitoring panel side communication unit 51 has a function of communicating with each interphone master unit 2 and the lobby intercom 6 in accordance with instructions from the monitoring panel side control unit 52. Specifically, the monitoring panel side communication unit 51 receives or sends a security abnormality signal and a return signal with each interphone master unit 2. In addition, the monitoring panel side communication unit 51 relays a call signal, an audio signal, a video signal, and an unlock signal between each interphone master unit 2 and the lobby interphone 6.

  The monitoring panel control unit 52 includes a CPU as a main component and includes an abnormality detection unit 521 and a notification unit 522.

  The abnormality detection unit 521 detects a security abnormality occurring in each dwelling unit using the security abnormality signal acquired by the monitoring panel side communication unit 51.

  The notification unit 522 controls the monitoring panel side communication unit 51 so as to send a security abnormality signal to all the intercom master units 2 installed in other dwelling units different from the dwelling unit in which the security abnormality has occurred. Thereby, the notification unit 522 can notify the intercom base unit 2 installed in another dwelling unit different from the dwelling unit in which the security abnormality has occurred to the occurrence of the security abnormality.

  The monitoring panel side operation unit 54 includes an operation button 541. If the administrator operates the operation button 541 to designate the interphone master unit 2, the alarm monitoring panel 5 can make a call only with the designated interphone master unit 2.

  Next, the configuration of the lobby intercom 6 will be described. The lobby intercom 6 is a lobby intercom with a camera that can capture an image. The lobby intercom 6 includes a lobby side communication unit 61 that communicates with the alarm monitoring panel 5 and the common entrance 7, a lobby side operation unit 62 that is used when a visitor operates the lobby intercom 6, a microphone 631 and a speaker 632, And a call unit 633 for processing an audio signal. The lobby intercom 6 includes a camera 641 that captures a visitor, a video unit 642 that processes a video signal, and a lobby control unit 65 that controls the operation of the lobby intercom 6. The lobby intercom 6 controls intercom calls with the interphone master unit 2 of each dwelling unit by the alarm monitoring panel 5.

  The lobby side communication unit 61 has a function of communicating with the intercom base unit 2 in accordance with instructions from the lobby side control unit 65. Specifically, the lobby side communication unit 61 sends a call signal to the intercom base unit 2 when a number key 621 and a call button 622 described later are operated. In addition, the lobby side communication unit 61 multiplexes the audio signal from the call unit 633 and the video signal from the video unit 642 and sends the multiplexed signal to the visited intercom base unit 2. Furthermore, the lobby side communication part 61 will send an unlocking signal to the common entrance 7, if an unlocking signal is acquired from the intercom main | base station 2. FIG.

  The lobby side operation unit 62 includes a number key 621 and a call button 622 for a visitor to specify a dwelling unit number. By operating the call button 622 after the visitor operates the number key 621 and specifies the dwelling unit number of the visited dwelling unit, the intercom master unit 2 of the dwelling unit corresponding to the dwelling unit number is selected. In the dwelling unit, when the operation button 221 is operated, a call can be made between the intercom base unit 2 and the lobby intercom 6, and when the unlock button 222 is operated, the base unit side communication unit 21 unlocks the signal. Is sent to the lobby intercom 6.

  The call unit 633 amplifies the audio signal from the microphone 631 or amplifies the audio signal from the intercom base unit 2. The speaker 632 outputs a sound corresponding to the sound signal from the intercom base unit 2.

  The camera 641 is an area sensor camera using a CCD image sensor, a CMOS image sensor, or the like, for example, and images a visitor in the imaging area. The imaging area of the camera 641 is a predetermined area around the installation location of the lobby intercom 6. The video unit 642 performs frequency modulation on the video signal of the video captured by the camera 641.

  The lobby side control unit 65 controls the operation of the lobby intercom 6 with the CPU as a main component. Specifically, the lobby-side control unit 65 causes the lobby-side communication unit 61 to send a call signal to the interphone master unit 2 when the visitor operates the number key 621 and the call button 622. 61 is controlled. Further, the lobby side control unit 65 controls the call unit 633 and the lobby side communication unit 61 so that the audio signal from the microphone 631 is sent to the intercom base unit 2. Furthermore, the lobby control unit 65 controls the video unit 642 so that the camera 641 starts imaging. The lobby-side control unit 65 that has caused the camera 641 to start imaging controls the video unit 642 and the lobby-side communication unit 61 so that the video signal is sent to the intercom master unit 2 of the visited residence unit.

  The common entrance 7 includes a door drive unit 72 that drives an electric lock (not shown) of an automatic door 71 (see FIG. 2) installed at the entrance of the apartment house, and a front side communication unit 73 that communicates with the lobby intercom 6. The entrance side control unit 74 that controls the operation of the common entrance 7 is provided. When the entrance-side communication unit 73 receives the unlock signal from the lobby intercom 6, the entrance-side control unit 74 controls the door drive unit 72 so that the automatic door 71 is unlocked.

  Next, in the intercom system 1 according to the present embodiment, the operation between the intercom base unit 2 and the door phone sub unit 3 will be described. First, when a visitor presses the call button 321 of the door phone cordless handset 3, the handset side communication unit 31 sends a call signal to the interphone master unit 2. Separately from this, the camera 341 and the video unit 342 are activated, and the slave side communication unit 31 sends a video signal to the interphone master unit 2.

  In interphone base unit 2, base unit side control unit 25 receives a call signal from door phone slave unit 3 via base unit side communication unit 21, and base unit side control unit 25 controls call unit 233 to call from speaker 232. Output sound. At this time, the base-side control unit 25 that has received the calling signal causes the video unit 241 to frequency-demodulate the video signal from the doorphone sub unit 3 to display the video of the visitor on the display unit 242. When a resident in the dwelling unit presses the operation button 221 in the interphone base unit 2 and the base unit side control unit 25 forms a communication path between the call unit 233 and the communication line (call line) 91, the interphone parent unit Calls can be made between the machine 2 and the intercom 3.

  Next, in the intercom system 1 according to the present embodiment, an operation when the sensor 4 detects a security abnormality will be described with reference to FIG.

  First, when the sensor 4 detects a security abnormality, it sends a security abnormality signal to the intercom master unit 2.

  When receiving the security abnormality signal from the sensor 4 (S1), the intercom base unit 2 sounds a security abnormality alarm sound and displays a security abnormality pictogram (S2). As a result, when a security abnormality is detected by the sensor 4, the intercom master unit 2 outputs an alarm sound and displays a pictogram, thereby promptly informing the resident of the occurrence of the security abnormality.

  The intercom base unit 2 transfers the security abnormality signal to the alarm monitoring panel 5. When the alarm monitoring panel 5 receives the security abnormality signal from the intercom base unit 2, the alarm monitoring panel 5 transmits the security abnormality signal to all interphone base units 2 installed in other dwelling units different from the dwelling unit where the security abnormality has occurred.

  When the intercom base unit 2 installed in another dwelling unit receives the security abnormality signal from the alarm monitoring panel 5, the base unit side control unit 25 determines whether the setting mode is the home mode or the absence mode. The lighting pattern of the illumination unit 351 of the vessel 3 is changed. That is, when the intercom base unit 2 installed in another dwelling unit has set the home mode (“home mode” in S3), if the display outside the dwelling unit is permitted (“YES” in S4), the doorphone The illumination part 351 of the subunit 3 is turned on (or blinked) (S5). In the door phone sub unit 3, the illumination unit 351 is turned on according to the instruction from the intercom base unit 2.

  On the other hand, when the interphone master unit 2 is set to the absence mode (“Absence mode” in S3), or when the interphone master unit 2 does not permit the display outside the dwelling (“NO” in S4), the interphone master The machine 2 turns off the illumination unit 351 of the door phone sub unit 3 (S6).

  From the above description, the intercom system 1 according to the present embodiment has a case where a resident is at home and a case where the resident is absent when a security abnormality occurs in another dwelling unit in the apartment house. The lighting unit (light source unit) 351 of the door phone sub-unit 3 is turned on by changing the lighting pattern. Thereby, when the said abnormality generate | occur | produces, it can alert | report outside a residence whether a resident is at home or is absent. As a result, people outside the house, such as managers and firefighters, can know from the outside of the house whether the resident of each house is at home or not. It can correspond to.

  Moreover, in the intercom system 1 of this embodiment, when the imaging area is illuminated at the time of imaging, and when the resident is at home or absent when the abnormality occurs, the intercom system 3 Since the illumination part 351 can be shared, the illumination part 351 of the doorphone sub unit 3 can be used effectively.

  In particular, at-home information indicating whether a resident is at home or away at each dwelling unit is information that cannot be stored in the interphone system 1 in advance because it changes at any time depending on the behavior of the dweller at each dwelling unit. Regardless of such at-home information, the intercom system 1 of the present embodiment can notify the at-home information at the time when the abnormality occurs outside the dwelling unit.

DESCRIPTION OF SYMBOLS 1 Intercom system 2 Intercom master 242 Display part 251 Lighting control part 252 Mode setting part 3 Door phone cordless handset 341 Camera (imaging part)
351 Illumination unit (light source unit)
5 Alarm monitoring panel 521 Abnormality detection unit 522 Notification unit

Claims (2)

An intercom master unit installed inside the dwelling unit for each dwelling unit in the apartment house and a doorphone slave unit installed outside the dwelling unit, and an alarm monitoring panel for monitoring a plurality of dwelling units in the apartment house,
The door phone slave is
An imaging unit for imaging a person in a predetermined area outside the dwelling unit;
A light source unit that is lit to illuminate the region during imaging by the imaging unit;
The alarm monitoring panel is:
An anomaly detector that detects an anomaly that has occurred in at least one of the multiple dwelling units;
A notification unit for notifying the occurrence of an abnormality to the intercom base unit installed in another dwelling unit different from the dwelling unit in which the abnormality has occurred;
The intercom base unit is
A display unit for displaying an image captured by the imaging unit of the door phone slave unit;
When the occurrence of the abnormality is notified from the alarm monitoring panel, a lighting control unit that changes the lighting pattern of the light source unit of the doorphone slave unit when the resident is at home and when the resident is absent An intercom system characterized by comprising: The intercom base unit is
A mode setting unit for selecting and setting either a home mode in which the resident is at home or an absence mode in which the resident is absent;
The lighting control unit changes the lighting pattern of the light source unit between the home mode and the absence mode when the abnormality is notified from the alarm monitoring panel. 1. The intercom system according to 1.

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