JPH07101338A - Railroad crossing gate pole photographing device - Google Patents

Abstract

PURPOSE:To store the newest image necessary for cause analysis of breakage of a railroad crossing gate pole or the like for many hours, and reduce a signal processing scale and a device scale with speedy analysis. CONSTITUTION:Only when a moving body entering a railroad crossing is detected, a stroboscope device 14 emits light, and a television camera 13 takes a photograph with a railroad crossing gate pole as its center. This photographed image is stored in a hard disc 17 together with an image number, and a necessary image is projected at desired time by designating the image number from an image reproducing-indicating part 19. In this way, only the newest image necessary for cause analysis of breakage of a railroad crossing gate pole or the like is stored even at night with clear resolution. Only an image of the moving body entering the railroad crossing for constant time or more is stored, and an image at both or at one place in the vicinity of the railroad crossing or in a remote place is stored and reproduced.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a railroad crossing rod that mainly captures an image of a railroad crossing rod when an entrance of a moving body to a railroad crossing is detected, and reproduces an image to analyze damage to the railroad crossing rod. The present invention relates to a blocking rod photographing device.

[0002]

2. Description of the Related Art FIG. 4 is a block diagram showing the structure of a conventional railroad crossing blocking rod photographing apparatus. In FIG. 4, the railroad crossing pole shooting device is connected to the television camera 1 that outputs a video signal obtained by focusing on a railroad crossing pole, and is connected to the television camera 1 to perform intermittent recording, that is, long-time recording. It has a time-lapse video tape recorder (VTR) 2 to perform. Furthermore, a video tape 3 for recording an intermittent image from the television camera 1 with a time-lapse VTR 2, and a monitor television 4 connected to the time-lapse VTR 2 for monitoring the image pickup of the television camera 1 and reproducing and displaying the recording of the video tape 3. have.

Next, the operation of this conventional configuration will be described. The video signal taken by the TV camera 1 around the railroad crossing blocking rod is output to the time-lapse VTR 2,
The time-lapse VTR 2 is intermittently recorded on the video tape 3. The state of the railroad crossing blocking rod recorded on the video tape 3 is reproduced by the time-lapse VTR 2, and the reproduced video signal is output to the monitor television 4 and displayed.

[0004]

However, in the conventional railroad crossing blocking rod photographing apparatus, since the photographed video is recorded and further reproduced and displayed, the cause such as the damage of the railroad crossing blocking rod can be analyzed. It is difficult to obtain clear high-resolution images, and it is difficult to obtain clear images due to lack of illumination at night. In addition, the video tape 3 is intermittently recorded for a long time, for example, 120 minutes including an image unnecessary for cause analysis, and it takes a lot of time to reproduce and confirm the video. Furthermore, when exchanging the video tape 3 and during rewinding for reproduction, recording cannot be performed, and when the recorded video tape 3 is reproduced and confirmed at a place other than the installation place, it is reproduced together with the transportation of the video tape 3. A new time-lapse VTR and monitor television at the location is needed. Furthermore, in order to reproduce the recording, as many monitor televisions as the number of time-lapse VTRs are required. Therefore, it is difficult to obtain a high-resolution image, the usability is poor, and the device scale increases.

The present invention solves such a conventional problem, and it is possible to accumulate only the latest image necessary for the cause analysis of the breakage of the blocking rod and the like at a clear resolution even at night, and to keep it constant in the railroad crossing. Accumulates only the image of the moving body that has entered for more than a time, and also displays the image near and / or at the remote level crossing for long-term image accumulation and quick analysis, as well as signal processing scale and device scale. It is an object of the present invention to provide an excellent railroad crossing blocking rod photographing device capable of reducing the size.

[0006]

In order to achieve the above object, a railroad crossing blocking rod photographing apparatus according to the present invention is provided with a timing signal output for outputting at least a drive timing signal for closing the railroad crossing blocking rod. Means, a sensor that outputs a detection signal that detects a moving object that enters the railroad crossing,
An image capturing unit that captures an image of the railroad crossing rod based on the drive timing signal and the detection signal, a light emitting unit that illuminates the railway crossing rod based on the drive timing signal and the detection signal, and a digital signal that digitizes the video signal from the image capturing unit. D conversion means,
Configuration comprising storage means for accumulating and storing digitized video signals, operation means for performing an operation of reading out the video data stored in the storage means, and video display means for displaying the video data read out from the storage means I am trying.

With this configuration, when the storage reaches the maximum storage capacity, the storage means erases and stores the video data in the storage area initially stored, and the storage does not reach the maximum storage capacity. In this case, the video data is stored in an empty storage area. Further, the storage means is configured to store the video signal from the photographing means only when the time of the drive timing signal and the detection signal exceeds a predetermined time.

According to a fourth aspect of the present invention, there is provided a device for photographing a railroad crossing barrier, which stores and reproduces video data obtained by photographing the railroad barrier, and is connected to and stored in the device. And a video storage / playback device for displaying and displaying the captured video data. The captured video storage / playback device detects at least a timing signal output means for outputting a drive timing signal for closing the railroad crossing blocking rod and a moving object entering the railroad crossing. A sensor for outputting the detected signal, a photographing means for photographing the railroad crossing rod based on the drive timing signal and the detection signal, a light emitting means for illuminating the railroad crossing rod based on the drive timing signal and the detection signal, and a photographing means A / D conversion means for digitizing the video signal of, the first storage means for accumulating and storing the digitized video signal, and the first storage means The video storing / reproducing apparatus has an operating means for performing an operation of reading out the video data stored in the first storage means and a first video display means for displaying the video data read out from the first storage means. An instruction means for instructing the reading and reproduction of the video data stored in the means, an instruction signal from the instruction means, and when the instruction is given, the video data stored in the first storage means is read, Transmission processing means for transmitting to the video storage / playback apparatus, and second storage for storing video data transmitted from the captured video storage / playback apparatus and outputting the stored video data when playback is instructed by the instruction means And a second image display unit for displaying an image in accordance with an instruction from the instruction unit.

According to a fifth aspect of the present invention, there is provided a crossing protection rod photographing device for recording video data obtained by photographing the crossing protection rod, and reading the accumulated video data connected to the photographing video storage device. A captured image storage / reproduction device having a projected image storage / reproduction device, wherein the captured image storage device outputs at least a timing signal output unit that outputs a drive timing signal for closing the railroad crossing blocking rod, and a sensor that outputs a detection signal that detects a moving object entering the railroad crossing. A photographing means for photographing the railroad crossing blocking rod based on the drive timing signal and the detection signal; a light emitting means for illuminating the railroad crossing blocking rod based on the drive timing signal and the detection signal; and a digital signal of the video signal from the photographing means. The video storage / playback apparatus includes an A / D conversion unit and a first storage unit that stores and stores a digitized video signal. An instruction means for instructing the reading and reproduction of the video data stored in the means, an instruction signal from the instruction means, and when the instruction is given, the video data stored in the first storage means is read, Transmission processing means for transmitting to the video storage / playback apparatus, video data transmitted from the captured video storage apparatus, and outputting the stored video data when playback is instructed by the instruction means
The storage means and the second video display means for displaying a video according to an instruction from the instruction means.

[0010]

With this structure, in the apparatus for photographing railroad crossing poles according to the first aspect, at least the railroad crossing pole is illuminated based on the drive timing signal and the detection signal, the video signal photographed is accumulated, and then read. It displays video data. Therefore, even at night, only the latest image necessary for analysis of the cause such as breakage of the blocking rod is stored with clear resolution.

According to another aspect of the present invention, there is provided a railroad crossing blocking rod photographing apparatus.
When the storage reaches the maximum storage capacity, the video data in the storage area initially stored is erased and stored. Therefore, only the latest image necessary for analysis of the cause such as breakage of the blocking rod is circulated and stored.

According to a third aspect of the present invention, there is provided a railroad crossing blocking rod photographing apparatus.
If the time of the detection signal exceeds a predetermined time,
That is, the image is accumulated only when the moving body that has entered the railroad crossing exceeds a certain time. Therefore, the video is stored for a long time.

According to another aspect of the present invention, there is provided a railroad crossing blocking rod photographing apparatus.
The video data obtained by photographing the railroad crossing blocking rod is accumulated, reproduced, and displayed, and the video data accumulated by a video accumulation / reproduction device installed at a distant place, for example, a distant place is read and displayed. Therefore, it is possible to store and display images near the railroad crossing, at a remote location, or at one of the remote locations.

According to a fifth aspect of the present invention, there is provided a railroad crossing blocking rod photographing apparatus.
Video data obtained by photographing a railroad crossing blocking rod is accumulated, and video data accumulated by a video accumulating / reproducing device installed at a distant place, that is, a distant place is read out and displayed. As a result, the image is stored and displayed only in a remote place, and the signal processing scale and the device scale are reduced.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a railroad crossing blocking rod photographing apparatus of the present invention will be described in detail below with reference to the drawings. FIG. 1 is a block diagram showing the configuration of an embodiment of a railroad crossing blocking rod photographing apparatus of the present invention. In FIG. 1, in this example, a timing signal output circuit 11 that outputs a timing signal when a railroad crossing rod driving timing signal is input from an open / close drive device for the railroad crossing rod, which is not shown, is shown. Sensor 12 that detects a vehicle entering the railroad crossing
And a television camera 13 that captures an image of a railroad crossing blocking rod (not shown) and resets the image capturing timing from the outside with a reset signal Ta with a high resolution capable of analyzing the image capturing.
And have. Further, based on the light emission command signal Tb,
A strobe device 14 that emits light at a timing synchronized with the image capturing of the television camera 13 to illuminate the center of a railroad crossing blocking rod (not shown) and the timing signal output circuit 11 to the strobe device 14 to move into the railroad crossing. It has a timing control circuit 15 for performing timing control for emitting light and photographing when a body is detected, and an A / D converter 16 for converting the video signal Sa from the television camera 13 into a digital signal. In addition, this crossing interception rod photographing device uses the digital signal from the A / D converter 16, that is, the television camera 1.
Hard disk 1 that stores images taken intermittently in 3
7 and a data processing unit 18 that performs processing of accumulating, reading, and displaying an image captured by the television camera 13. Further, the stored video data is read out and displayed, and a digital signal from the video reproduction / instruction unit 19 and the A / D conversion unit 16 for performing an operation of reproducing the projection, that is, the television camera 13 intermittently shoots the image data. It has frame memories 21 to 2N for storing images.
Next, the operation of the configuration of the first embodiment will be described.

The timing control circuit 15 receives the timing signal from the timing signal output circuit 11 and finishes the input when a fixed time elapses from the start of the input, and ends the fixed time after the end of the input. Generates a closure timing signal. Next, the timing control circuit 15 outputs a reset signal to the television camera 13 when the detection signal is input from the sensor 12 at the closing rod closing timing. At the same time, the timing control circuit 15 outputs a light emission command signal Tb to the strobe device 14, and the data processing unit 1
The image pickup request signal Sd is output to 8. Data processing unit 18
When the image pickup request signal Sd from the timing control circuit 15 is input, the frame memory 21 to 2N that can be stored is searched, and the frame memory specifying signal Se that specifies the searched frame memory (21 to 2N) is sent. A
The imaging request signal Sf is output to the / D conversion unit 16. The television camera 13 resets the synchronization timing when the reset signal Ta from the timing control circuit 15 is input. The strobe device 14 emits light in response to a light emission command signal Tb from the timing control circuit 15. A / D converter 1
6, when the image pickup request signal Sd is input from the data processing unit 18, the video signal Sa from the television camera 13 is A / D-converted from the next synchronization signal, and is digitally stored in a designated frame memory (21 to 2N). Write the converted video signal. The A / D converter 16 is a frame memory (21 to 2N)
When the writing of the video signal digitized by is finished,
The write end signal Sg is output to the data processing unit 18.
When the write end signal Sg is input, the data processing unit 18 reads the video data from the frame memory (21 to 2N), searches for the latest current video number, and if the storage capacity of the hard disk 17 is the maximum, the final A video number is added and stored in the storage area of the final video number.
If the storage capacity is not the maximum, "Latest video number +
1 "storage area. That is, "final video number +
In the case of "1", the memory of the area of the first video number is erased and newly stored. Or overwrite and store. The data processing unit 18 is operated by the video reproduction / instruction unit 19 to display the video of the stored video number from the video reproduction / instruction unit 19.
Then, by inputting the operation signal Sk, the video data is read from the area corresponding to the video number of the hard disk 17. Free frame memory (21-
2N) is searched, and the video data read from the hard disk 17 is written in the frame memory (21 to 2N). After writing the video data, the data processing unit 18 outputs a frame memory designation signal Sg for designating the frame memory (21 to 2N) to the video playback / instruction unit 19, and further outputs a playback request signal Sj. The video playback / instruction unit 19
When the reproduction request signal Sj is input, the video data of the designated frame memory (21 to 2N) is displayed as a video.

As described above, in the first embodiment, the strobe device 14 emits light and the television camera 13 takes an image only when a moving body entering the railroad crossing is detected. The photographed image is stored in the hard disk 17 together with the image number, and the desired image is reproduced by designating the image number from the image reproduction / instruction unit 19 at a desired time. In this case, since the high-resolution TV camera 13 is used, a clear high-resolution image capable of analyzing the cause such as damage to the railroad crossing blocking rod can be obtained even at night without insufficient illumination. Furthermore, it is possible to store only the video data necessary for analysis of the cause such as breakage of the blocking rod.

Next, a second embodiment will be described. The configuration of the second embodiment is the same as the configuration shown in FIG. 1 in the first embodiment, and the processing operation of the data processing unit 18 is different from that of the first embodiment. In the operation of the second embodiment, when the storage capacity of the hard disk 17 reaches the maximum storage capacity, the data processing unit 18 sets the video number to the initial value and stores it in the area corresponding to the video number of the hard disk 17. . If the maximum storage capacity has not been reached, "Latest video number +
The data processing unit 18 performs the process of storing the data of “1” in the storage area of the hard disk 17. Other operations are similar to those of the first embodiment.

As described above, in the second embodiment, the storage of the hard disk 17 is circularly stored. In other words, only the latest video for the maximum capacity of the hard disk 17 can be stored.

Next, a third embodiment will be described. The configuration of the third embodiment is the same as that of the first embodiment shown in FIG. 1, and the processing operations of the timing control circuit 15 and the data processing unit 18 are different from those of the second embodiment. . In the operation of the third embodiment, the timing signal from the timing signal output circuit 11, that is, the timing signal that detects the case where the moving body enters the railroad crossing (not shown) is transmitted through the timing control circuit 15 to the data processing unit 18.
Entered in. In this case, the data processing unit 18 measures the pulse width indicating the time of the timing signal. If the measurement time of this pulse width is within a predetermined fixed time, the video of the latest video number is not stored as invalid, and if it is longer than the predetermined fixed time, it is stored in the same manner as the first embodiment. To do. That is, when the moving body passes through the railroad crossing within a short period of time within a certain period of time, it is a normal passage.

As described above, in the third embodiment, the passing time of the moving body that has entered the railroad crossing is monitored, and if the time is within a predetermined time, the video of the latest video number is monitored. Is not stored as invalid, and because it is stored only for a predetermined time or more, only the video required for analysis can be stored, and unnecessary video is not displayed during playback, so analysis is quick. And be certain.

Next, a fourth embodiment will be described. In the fourth embodiment, the video data accumulated in the first to third embodiments is transmitted to a place separated by a transmission path for analysis.

FIG. 2 is a block diagram showing the configuration of the fourth embodiment. In FIG. 2, this example has the same configuration as that of the first example shown in FIG. 1, that is, it has a timing signal output circuit 11, a sensor 12, and a television camera 13. Further, the strobe device 14 and the timing control circuit 1
5, an A / D conversion unit 16, a hard disk 17, a data processing unit 18, a video reproduction / instruction unit 19, and frame memories 21 to 2N. Further, in addition to the configuration shown in FIG. 1, the video display / operation unit 3 arranged at a separated place.
Has 0.

The image display / operation unit 30 includes a data transmission unit 31 for transmitting the image data stored in the hard disk 17 to a remote place, a data transmission line 32 using, for example, a public line, and photographing the railroad crossing blocking rod. The data transmission line 32 is arranged at a place apart from the railroad crossing where the device is installed.
Receive the video data from the data transmission unit 31 through
Further, it has a data transmission unit 33 for sending an instruction signal to the data transmission line 32. Further, a data processing unit 34 for processing the display, reading, and storage of the video on the video display / operation unit 30, a frame memory 35 for storing the read video, and a video playback for displaying the video and instructing the playback thereof. It has an instruction unit 36 and a hard disk 37 for storing the read video.

Next, the operation of the structure of the fourth embodiment will be described. The operation other than the video display / operation unit 30 which is the same component as that of the first embodiment shown in FIG.
This is the same as the first to third embodiments. That is, the strobe device 1 can be used only when a moving body entering the railroad crossing is detected.
4 emits light, and the TV camera 13 is shooting. The captured image is stored in the hard disk 17 together with the image number, and the required image is reproduced by designating the image number when desired. Further, the data processing unit 18 sets the video number to an initial value and stores it in the storage area corresponding to the video number of the hard disk 17 when the storage of the hard disk 17 reaches the maximum storage capacity. If the maximum storage capacity has not been reached, the data processing unit 18 performs a process of storing in the storage area of the hard disk 17 of “latest video number + 1”. In addition, the transit time of the internal phase of the railroad crossing of the moving body that has entered the railroad crossing is monitored, and if the time is within a predetermined fixed time, the video of the latest video number is not stored as invalid and the The video with the latest video number is stored and only the video required for analysis is stored. The video data stored in the hard disk 17 in this way is read out by the video display / operation unit 30 arranged at a remote place, stored, and reproduced. In the video display / operation unit 30,
The video reproduction / instruction unit 36 is instructed to read the video.
This instruction is given to the data processing unit 18 through the data processing unit 34, the data transmission unit 33, the data transmission line 32, and the data transmission unit 31. The data processing unit 18 reads out the video data stored in the hard disk 17 based on an instruction from the video display / operation unit 30. Further, an empty frame memory (21 to 2N) is searched. The video data read from the hard disk 17 is written in the vacant frame memory (21 to 2N). When the data processing unit 18 completes the video data writing process, the written video data is sequentially read and output to the data transmission unit 31. Video data is transmitted from the data transmission unit 31 to the data transmission line 3
2 to the data processing unit 34. If the input video data is the latest video number, the data processing unit 34 displays it on the video playback / instruction unit 36 and monitors it in real time. In the case of past video data, it is sequentially written in the frame memory 35. The data processing unit 34 also reproduces the video data currently stored in the frame memory 35 based on the operation of the video reproduction / instruction unit 36, and also stores the data in the hard disk 37. For example, when the video reproduction / instruction unit 36 instructs reproduction of the video data stored in the hard disk 37, the video data stored in the hard disk 37 is read and stored in the frame memory 35. After that, the video data stored in the frame memory 35 is sequentially read and the video is displayed on the display device in the video reproduction / instruction unit 36.

As described above, in the fourth embodiment, the video display / operation unit 30 installed at a remote place through the data transmission path 32 stores the video images of the railroad crossing blocking rods of the railroad crossing.
It is read and played back with. Therefore, it is possible to analyze the damage of the railroad crossing blocking rod and the like at a place apart from the installation location near the railroad crossing.

Next, a fifth embodiment will be described. In the fifth embodiment, the fourth embodiment is the hard disk 1.
The video data stored in 7 is read and reproduced by an operation from the video reproduction / instruction unit 19 or the video reproduction / instruction unit 36 in the video display / operation unit 30.
In this embodiment, the video data is read and reproduced by operating only the video reproduction / instruction unit 36 in the video display / operation unit 30.

FIG. 3 is a block diagram showing the configuration of the fifth embodiment. In FIG. 3, this example does not include the video reproduction / instruction unit 19 in the configuration in FIG. 2, and the other configurations are the same. The operation of the fifth embodiment is similar to that of the fourth embodiment shown in FIG. However, since the video reproduction / instruction unit 19 is not provided, the video data stored in the hard disk 17 is read and reproduced only from the video reproduction / instruction unit 36 in the video display / operation unit 30.

As described above, in the fifth embodiment, the video data stored in the hard disk 17 is displayed on the video display / operation unit 30.
Since the video data is read and reproduced only by the operation of the video reproduction / instruction unit 36 in the inside, there is an advantage that the signal processing scale in the data processing unit 18 is reduced and the device scale is also reduced.

[0030]

As is apparent from the above description, in the railroad crossing blocking rod photographing apparatus according to the first aspect, the video signal obtained by illuminating the railroad crossing blocking rod based on the drive timing signal and the detection signal is accumulated, and After that, since the read-out video data is displayed, it has an effect that only the latest video necessary for the cause analysis such as breakage of the blocking rod can be stored with a clear resolution even at night.

According to the second aspect of the present invention, there is provided a railroad crossing blocking rod photographing apparatus.
When the storage reaches the maximum storage capacity, the image data in the storage area that was initially stored is deleted and stored.
This has the effect that only the latest image necessary for analysis of the cause such as breakage of the blocking rod can be circulated and stored.

According to a third aspect of the present invention, there is provided a railroad crossing blocking rod photographing apparatus.
Since the image is accumulated only when the time of the detection signal exceeds a predetermined fixed time, there is an effect that the image can be accumulated for a long time.

According to a fourth aspect of the present invention, there is provided a railroad crossing blocking rod photographing apparatus including:
The video data of the railroad crossing pole is stored, played back and displayed, and the video data stored by a video storage and playback device installed in a distance is read out and displayed.
This has the effect of being able to accumulate and display images near or at a railroad crossing, or at a remote location.

According to a fifth aspect of the present invention, there is provided a crossing interception rod photographing apparatus.
The video data of the railroad crossing blocking rod is stored, and the video data stored in the video storage / playback device installed at a distance is read out and displayed, so the video is stored and displayed only in a remote location, and the signal processing is performed. This has the effect of reducing the scale and the scale of the device.

[Brief description of drawings]

FIG. 1 is a block diagram showing a configuration of first to third embodiments of a railroad crossing blocking rod photographing apparatus of the present invention.

FIG. 2 is a block diagram showing a configuration of a fourth embodiment.

FIG. 3 is a block diagram showing the configuration of a fifth embodiment.

FIG. 4 is a block diagram showing a configuration of a conventional railroad crossing blocking rod photographing device.

[Explanation of symbols]

 13 TV camera 14 Strobe device 15 Timing control circuit 17 Hard disk 18 Data processing unit 19 Video playback / instruction unit 21-2N frame memory 30 Video display / operation unit

Claims (5)

[Claims] 1. A timing signal output means for outputting at least a drive timing signal for closing a railroad crossing blocking rod, a sensor for outputting a detection signal for detecting a moving object entering the railroad crossing, and a drive timing signal for the railroad crossing blocking rod. And a photographing means for photographing based on the detection signal, a light emitting means for illuminating the railroad crossing blocking rod based on the drive timing signal and the detection signal, and an A / D conversion means for digitizing the video signal from the photographing means. Storage means for accumulating and storing the digitized video signal, operation means for performing an operation of reading out the video data stored in the storage means, and video display means for displaying the video data read out from the storage means A crossing interception rod photographing device having a. 2. The storage means erases and stores the video data in the storage area initially stored when the storage has reached the maximum storage capacity, and when the storage has not reached the maximum storage capacity. A railroad crossing blocking rod photographing device characterized by storing video data in a vacant storage area. 3. The railroad crossing blocking rod photographing apparatus, wherein the storage means stores the video signal from the photographing means only when the time of the drive timing signal and the detection signal exceeds a predetermined time. 4. A captured video storage / playback device for storing and playing back video data of a railroad crossing pole, and a video storage / playback device connected to the captured video storage / playback device for reading out and displaying the stored video data. The captured image storing and reproducing apparatus has at least a timing signal output means for outputting a drive timing signal for closing the railroad crossing blocking rod, a sensor for outputting a detection signal for detecting a moving object entering the railroad crossing, and the railroad crossing. A photographing means for photographing the blocking rod based on the drive timing signal and the detection signal, a light emitting means for illuminating the railroad crossing blocking rod based on the drive timing signal and the detection signal, and a digital signal for the video signal from the photographing means A / D conversion means, a first storage means for accumulating and storing the digitized video signal, and the first
The operation means for performing an operation of reading the video data stored in the storage means, and the first video display means for displaying the video data read from the first storage means.
The video storage / playback apparatus sends an instruction means for instructing reading and reproduction of the video data stored in the first storage means, an instruction signal from the instruction means, and
When the instruction is given, the video data stored in the first storage means is read out, and the transmission processing means for transmitting the video data to the video storage / playback apparatus and the video data transmitted from the captured video storage / playback apparatus are stored. A railroad crossing blocking rod photographing apparatus comprising: second storage means for outputting video data accumulated when reproduction is instructed by the instructing means, and second image display means for displaying an image in accordance with an instruction from the instructing means. 5. A captured image storage device for storing image data of a railroad crossing blocking rod, and an image storage / playback device connected to the captured image storage device for reading out and storing the stored image data. The captured image storage device includes at least a timing signal output means for outputting a drive timing signal for closing the railroad crossing blocking rod, a sensor for outputting a detection signal for detecting a moving object entering the railroad crossing, and a timing signal for driving the railroad crossing blocking rod. And a photographing means for photographing on the basis of the detection signal, a light emitting means for illuminating the railroad crossing blocking rod based on the drive timing signal and the detection signal, and an A / D conversion means for digitizing the video signal from the photographing means, A first storage means for storing and storing the digitized video signal, wherein the video storage / playback apparatus stores in the first storage means. The instructing means for instructing the reading and reproduction of the image data, the instruction signal from the instructing means, and the image data stored in the first storage means when the instruction is given Transmission processing means for transmitting to the storage / reproduction device, and second storage for accumulating the video data transmitted from the photographed video storage device and outputting the accumulated video data when reproduction is instructed by the instructing means. A railroad crossing blocking rod photographing device comprising: means and second image display means for displaying an image in accordance with an instruction from the instruction means.