JP2015016918A - Monitoring device in elevator car - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a monitoring device in an elevator car that can automatically set an image data playback start position suitable for checking whether inside of the elevator car is adequately recorded.SOLUTION: A recording device 50 converts an imaging signal from a surveillance camera 40 to image data to be recorded on an SD card 55. The recording device 50 includes: a communication processor 65 that detects a communicable connection with a maintenance terminal 70; and a playback start position setting processor 66 that sets a playback start position of image data recorded on the SD card 55. The playback start position setting processor 66 sets, image data recorded on the SD card 55 a predetermined time before a time point when the communication processor 65 detects the communicable connection between the recording device 50 and the maintenance terminal 70, to a playback start position by the maintenance terminal 70. When receiving a request for image data from the maintenance terminal 70, the communication processor 65 transmits image data at and after the playback start position set by the playback start position setting processor 66 to the maintenance terminal 70.

Description

  The present invention relates to an elevator car monitoring device including a recording device that records on a recording medium what is photographed by a surveillance camera.

  Patent Document 1 discloses a security camera system for an elevator. In this security camera system for elevators, video data shot by a camera installed in the elevator car is stored and output by a camera control device. In order to check the digital video data stored in the hard disk of the camera control device, the computer and the modular jack of the in-car operation panel are connected by a communication cable. The computer communicates with the camera control device and can reproduce the digital video data stored in the hard disk of the camera control device on the display device of the computer.

JP 2003-40542 A

  For maintenance and inspection work on the elevator car monitoring device, the video data recorded on the recording medium is played back, and it is confirmed whether the state of the car is properly recorded by looking at the played back video data. For example. When confirming the video, it is necessary to set the reproduction start position of the video data before reproducing the video data recorded on the recording medium.

  When checking the video in the car, the operator connects the information device to the recording device, reproduces the video data recorded on the recording medium with the information device, and displays the data on the display device of the information device. At this time, the video suitable for confirming whether or not the state in the car is appropriately recorded is a video including a state in which a person is performing some operation in the car. If the worker can set the reproduction start position so that the video including himself / herself is displayed, the video suitable for confirmation can be displayed.

  The elevator security camera system disclosed in Patent Document 1 does not consider setting the reproduction start position of video data suitable for confirming whether or not the state of the car is properly recorded. .

  The present invention has been made in view of the above-described circumstances, and its purpose is to automatically set a reproduction start position of video data suitable for confirming whether or not the state of the car is properly recorded. An object is to provide an elevator car monitoring device that can be set.

  In order to achieve the above-described object, the elevator car monitoring apparatus according to the present invention is configured as follows.

  The elevator car monitoring device according to the present invention converts a state in the car into a shooting signal and outputs it, and converts the shooting signal output from the monitoring camera into video data and records it on a recording medium. In the elevator car monitoring apparatus comprising: a recording device that performs communication, the recording device detects that the communication device is communicably connected to an information device; and a reproduction start position of video data recorded on the recording medium A reproduction start position setting processing unit configured to set a predetermined time before the communication processing unit detects a communicable connection between the recording apparatus and the information device. The video data recorded on the recording medium is set to a reproduction start position when the video data recorded on the recording medium is reproduced by the information device.

  In the elevator car monitoring device according to the present invention, the reproduction start position setting processing unit is recorded on the recording medium a predetermined time before the communication processing unit detects a communicable connection between the recording device and the information device. The recorded video data is set as a playback start position when the video data recorded on the recording medium is played back by the information device. If the state of the car taken by the surveillance camera is appropriate, the image displayed on the information device is a maintenance work such as a state where the recording device and the information device are communicably connected. A video of the person's appearance is included. Therefore, the worker can confirm whether or not the state in the car is properly recorded by confirming whether or not his / her state of performing the maintenance / inspection work is properly reflected. Therefore, the elevator car monitoring apparatus according to the present invention can automatically set the reproduction start position of video data suitable for checking whether or not the state of the car is properly recorded. it can.

It is the schematic of the elevator car monitoring apparatus which concerns on one Embodiment of this invention. It is a perspective view of the recording device with which the elevator car monitoring apparatus shown in FIG. 1 is equipped. It is a block diagram of the elevator car monitoring apparatus shown in FIG. It is a flowchart which shows the relationship between what a worker performs, a maintenance terminal device, and what a recording device performs in the maintenance inspection work of the elevator car monitoring device.

  An elevator car monitoring apparatus according to an embodiment of the present invention will be described with reference to FIGS.

  As shown in FIG. 1, an in-car operation panel 10 is provided on a side wall of an entrance (not shown) of the car 1.

  The in-car operation panel 10 is a passenger operation area 10a provided with a switch operated by passengers in the car 1, and an operator who is located below the passenger operation area 10a and performs maintenance and inspection work for elevators. And an operator operation area 10b provided with a switch operated by an elevator person other than a passenger such as an elevator manager, and a lockable door 20 covering the operation area 10b for the person concerned.

  The switches provided in the passenger operation area 10a are a plurality of destination floor registration button switches 11, a door open button switch 12, a door close button switch 13, and the like. The destination floor registration button switch 11, the door open button switch 12, and the door close button switch 13 are all push button switches.

  The destination floor registration button switch 11 makes a car call when the operation button is pressed. The door open button switch 12 outputs a door open command signal for instructing to open the car door and the landing door when the operation button is pressed. The door close button switch 13 outputs a door close command signal for instructing to close the car door and the landing door when the operation button is pressed.

  The switches provided in the operation area 10b for persons concerned are, for example, the low speed travel switch 21 and the air conditioning switch 22, and both the low speed travel switch 21 and the air conditioning switch 22 are rocker switches (seesaw switches).

  The low speed travel switch 21 is turned on when one end of the operation button is pressed and turned off when the other end of the operation button is pressed. When the low-speed travel switch 21 is on, the travel speed of the car 1 is controlled to be lower than usual. When the low-speed travel switch 21 is off, the travel speed of the car 1 travels passengers. This is a state controlled to a normal speed which is a speed.

  The air conditioning switch 22 is also turned on when the one end side of the operation button is pressed, and turned off when the other end side of the operation button is pressed. The on state of the air conditioning switch 22 is a state in which a ventilation fan (not shown) and an air conditioner (not shown) are operated, and the off state of the air conditioning switch 22 is a state in which the ventilation fan and the air conditioning apparatus are stopped.

  As shown in FIG. 1, the elevator car monitoring device 30 according to the present embodiment is provided on the upper part of the car 1, for example, the ceiling 1 a, and converts the state in the car 1 into a photographing signal and outputs it. An SD card 55 (shown in FIG. 2), which is a recording medium, is stored in the surveillance camera 40 and the person-in-person operation area 10b of the in-car operation panel 10 and converts the shooting signal output from the surveillance camera 40 into video data. And a recording device 50 for recording.

  As shown in FIGS. 2 and 3, the recording apparatus 50 includes a card connector 51 to which the SD card 55 is detachably attached, and an eject button switch that is pressed when the SD card 55 is removed from the card connector 51. 52, an indicator lamp 53 composed of an LED lamp, a communication port 54 to which a communication cable 71 is connected, and a control device 60.

  When the SD card 55 is mounted, the card connector 51 outputs a mounting signal (electric signal) indicating this state to the control device 60. The card connector 51 does not output a mounting signal when the SD card 55 is not mounted. The eject button switch 52 outputs an operation signal (electric signal) when pressed.

  The control device 60 includes a CPU, a RAM, and a ROM, and performs processing related to the control of the recording device 50 by executing a computer program written in the ROM by the CPU. The control device 60 includes, as functional units set by a computer program, a mounting determination unit 61, a recording processing unit 62, an ejection operation detection unit 63, an inspection processing unit 64, a communication processing unit 65, a reproduction start position setting processing unit 66, A display processing unit 67 is provided. These functional units will be described.

  The attachment determination unit 61 determines whether or not the SD card 55 is attached to the card connector 51. The attachment determination unit 61 determines that the state in which the attachment signal is input to the control device 60 is the state in which the SD card 55 is attached to the card connector 51, and the state in which the attachment signal is not input to the control device 60. It is determined that the SD card 55 is not attached to the card connector 51.

  The recording processing unit 62 converts the shooting signal output from the monitoring camera 40 into video data in a state where the mounting determination unit 61 determines that the SD card 55 is mounted in the card connector 51, and converts the image signal into video data. What is recorded in 55, that is, what is recorded in the car 1 taken by the surveillance camera 40 is recorded.

  The eject operation detection unit 63 detects a pressing operation of the eject button switch 52. The eject operation detection unit 63 detects that an operation signal from the eject button switch 52 has been input to the control device 60 as an operation of pressing the eject button switch 52. The recording processing unit 62 stops recording on the SD card 55 based on the detection of the pressing operation of the eject button switch 52 by the eject operation detecting unit 63.

  The inspection processing unit 64 inspects the recording device 50 based on inspection items set in advance, and records the result of the inspection, that is, the presence / absence of an abnormality and the type of abnormality when there is an abnormality, on the SD card 55 as abnormality data. Is.

  The communication processing unit 65 detects that the maintenance terminal device 70 (information device) is connected to the communication port 54 and communicates with the maintenance terminal device 70. The maintenance terminal device 70 is an information device carried by the worker 100 of the elevator car monitoring device 30 and includes a human interface including a display device 70a capable of displaying an image. The maintenance terminal device 70 transmits a connection signal to the recording device 50 at a constant cycle while being connected to the recording device 50 so as to be communicable. The communication processing unit 65 detects that the control device 60 has received the connection signal from the maintenance terminal device 70 as a state where the recording device 50 is communicably connected to the maintenance terminal device 70, and a response signal for the connection signal Is transmitted to the maintenance terminal device 70. In addition, the communication processing unit 65 detects that the connection between the recording device 50 and the maintenance terminal device 70 has been disconnected, that the reception of the connection signal by the control device 60 has been interrupted for a certain period. Further, the communication processing unit 65 transmits data requested from the maintenance terminal device 70 to the recording device 50 to the maintenance terminal device 70. Data requested from the maintenance terminal device 70 to the recording device 50 is video data and abnormal data.

  The reproduction start position setting processing unit 66 is recorded on the SD card 55 a predetermined time (for example, one minute before) when the communication processing unit 65 detects a communicable connection between the recording device 50 and the maintenance terminal device 70. The video data recorded on the SD card 55 is set as a playback start position when the maintenance terminal device 70 plays back the video data. The setting of the reproduction start position by the reproduction start position setting processing unit 66 is performed with the intention of reproducing the video data recorded on the SD card 55 from the video data of the worker 100 in the car 1. Therefore, if the intention is satisfied, the predetermined time for defining the reproduction start position may be longer or shorter than one minute. However, the predetermined time is set in a range that does not include an image before the worker gets on the car 1.

  The display processing unit 67 controls the indicator lamp 53. The display processing unit 67 keeps the display lamp 53 lit while the mounting determination unit 61 determines that the SD card 55 is mounted on the card connector 51. The display processing unit 67 determines that the SD card 55 is not attached to the card connector 51 from the point in time when the pressing operation on the eject button switch 52 is detected by the ejection operation detection unit 63. In the meantime, the indicator lamp 53 is kept blinking. Further, the display processing unit 67 maintains the indicator lamp 53 in the off state while the mounting determination unit 61 determines that the SD card 55 is not in the card connector 51.

  The relationship between what the worker 100 performs, what the maintenance terminal device 70 performs, and what the recording device 50 performs in the maintenance and inspection work for the elevator car monitoring device 30 will be described with reference to FIG. 4.

  As shown in FIG. 4, when the worker 100 connects the maintenance terminal device 70 and the recording device 50 via the communication cable 71 in step Sa1 so that they can communicate with each other, the maintenance terminal device 70 sends a connection signal to the recording device 50 in step Sb2. Send to. Accordingly, in step Sc1, the communication processing unit 65 of the recording device 50 connects the recording device 50 and the maintenance terminal device 70 so that they can communicate that the connection signal from the maintenance terminal device 70 has been received by the control device 60. Based on this, a response signal to the connection signal is transmitted to the maintenance terminal device 70 in the next step Sc2.

  Next, in step Sb2, the maintenance terminal device 70 establishes a communication connection with the recording device 50 based on the reception of the response signal from the recording device 50.

  In step Sc <b> 3, the recording processing unit 62 of the recording device 50 stops recording on the SD card 55 based on the fact that the communication processing unit 65 has detected a communicable connection between the maintenance terminal device 70 and the recording device 50. To do.

  Next, in step Sc4, the reproduction start position setting processing unit 66 of the recording device 50 detects the SD card one minute before the communication processing unit 65 detects a communicable connection between the recording device 50 and the maintenance terminal device 70. The video data recorded in 55 is set as a playback start position when the video data recorded in the SD card 55 is played back by the maintenance terminal device 70.

  After the communication connection between the maintenance terminal device 70 and the recording device 50 is established in the above-described step Sb2, the worker 100 performs an operation for displaying the abnormal data of the recording device 50 on the maintenance terminal device 70 in step Sa2. This is performed for the terminal device 70. Thereby, the maintenance terminal device 70 requests abnormal data from the recording device 50 in step Sb3.

  In step Sc5, the communication processing unit 65 of the recording device 50 transmits the abnormal data recorded on the SD card 55 to the maintenance terminal device 70 in response to the request for abnormal data from the maintenance terminal device 70 in step Sb3. In step Sb4, the maintenance terminal device 70 stores the abnormal data transmitted from the recording device 50 in step Sc5, and displays the abnormal data in a predetermined manner in step Sb5. If there is an abnormality in the recording device 50, the abnormality data is displayed on the maintenance terminal device 70 in the form of a code (error code or the like) indicating the type of abnormality.

  Next, in step Sa3, the worker 100 confirms the abnormal data displayed in a predetermined manner by the maintenance terminal device 70 in step Sb5.

  After confirming the abnormal data, in step Sa4, the worker 100 performs an operation for displaying the video data on the maintenance terminal device 70 on the maintenance terminal device 70. Thereby, the maintenance terminal device 70 requests video data from the recording device 50 in step Sb6. Here, the operation for displaying the video data on the maintenance terminal device 70 is, for example, an operation for confirming that the confirmation of the abnormal data is completed for the operator.

  In step Sc6, the communication processing unit 65 of the recording device 50 responds to the video data request from the maintenance terminal device 70 in step Sb6, and among the video data recorded on the SD card 55, the reproduction start position set in step Sc4. The subsequent video data is transmitted to the maintenance terminal device 70. In step Sb7, the maintenance terminal device 70 stores the video data transmitted from the recording device 50 in step Sc6, and reproduces and displays the video data in step Sb8.

  In step Sa <b> 5, the worker 100 confirms the video displayed on the maintenance terminal device 70. When the state in the car 1 photographed by the monitoring camera 40 is appropriate, the recording device 50 and the maintenance terminal device 70 are connected via the communication cable 71 to the video displayed on the maintenance terminal device 70. The state of the worker who performs the maintenance inspection work is included. The worker 100 confirms whether or not the state in the car 1 is properly recorded by confirming whether or not his / her state of performing the maintenance / inspection work in the car 1 is properly reflected. .

  After confirming the video data, the worker 100 performs an operation of disconnecting the communication between the recording device 50 and the maintenance terminal device 70 in step Sa6, and the worker removes the communication cable 71 from the communication port 54 in the next step Sa7.

  In step Sa6, the operator 100 performs an operation of disconnecting the communication between the recording device 50 and the maintenance terminal device 70, whereby the maintenance terminal device 70 stops transmitting the connection signal to the recording device 50 in step Sb9. Accordingly, in step Sc7, the communication processing unit 65 of the recording device 50 confirms that the connection signal from the maintenance terminal device 70 to the control device 60 has stopped for a certain period, between the maintenance terminal device 70 and the recording device 50. Detects that communication has been disconnected. Based on this, the recording processing unit 62 of the recording device 50 resumes recording on the SD card 55 in step Sc8.

  According to the elevator car monitoring device 30 according to the present embodiment, the following effects can be obtained.

  In the elevator car monitoring device 30 according to the present embodiment, the reproduction start position setting processing unit 66 of the recording device 50 detects that the communication processing unit 65 can communicate with the recording device 50 and the maintenance terminal device 70. The video data recorded on the SD card 55 a predetermined time (one minute before) from the time is set as a playback start position when the video data recorded on the SD card 55 is played back by the maintenance terminal device 70. When the state in the car 1 photographed by the monitoring camera 40 is appropriate, the recording device 50 and the maintenance terminal device 70 are connected via the communication cable 71 to the video displayed on the maintenance terminal device 70. A video of a worker performing maintenance inspection work is included. Therefore, the worker 100 can confirm whether or not the state in the car 1 is properly recorded by confirming whether or not the state of himself / herself performing the maintenance / inspection work is appropriately reflected. . Therefore, the elevator car monitoring device 30 according to the present embodiment automatically sets the reproduction start position of video data suitable for checking whether or not the state in the car 1 is properly recorded. can do.

  In the elevator car monitoring device 30 according to the present embodiment, a predetermined time for defining the reproduction start position of the video data recorded on the SD card 55 is an image of the state of the maintenance inspection worker in the car 1. Data is defined at the reproduction start position. Thereby, it is possible to display on the maintenance terminal device 70 video data that is optimal for confirming whether or not the state in the car 1 is properly recorded.

  In the elevator car monitoring device 30 according to the above-described embodiment, the recording device 50 includes the card connector 51 to which the SD card 55 is mounted as the mounting portion, but the mounting portion in the present invention is mounted with the SD card. It is not limited to a card connector, and a recording medium other than an SD card may be mounted.

1 Car 30 Elevator Car Monitoring Device 40 Monitoring Camera 50 Recording Device 54 SD Card (Recording Medium)
62 Control Device 65 Communication Processing Unit 66 Playback Start Position Setting Processing Unit 70 Maintenance Terminal Device 70a Display Device

Claims (2)

Elevator car monitoring device comprising: a monitoring camera that converts the state of the car into a shooting signal and outputs the image; and a recording device that converts the shooting signal output from the monitoring camera into video data and records it on a recording medium In
The recording apparatus includes a communication processing unit that detects that the information device is communicably connected, and a reproduction start position setting processing unit that sets a reproduction start position of video data recorded on the recording medium,
The reproduction start position setting processing unit records the video data recorded on the recording medium a predetermined time before the communication processing unit detects a communicable connection between the recording device and the information device. Set the playback start position when the video data recorded on the medium is played by the information device,
When the video data is requested from the information device, the communication processing unit transmits video data after the playback start position set by the playback start position setting processing unit to the information device. Elevator car monitoring device. In the elevator car monitoring device according to claim 1,
The elevator car monitoring apparatus characterized in that, before the predetermined time, video data of a state of a maintenance inspection worker in the car is defined at the reproduction start position.

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