JP2920375B1 - Fire monitoring equipment - Google Patents

Abstract

An object of the present invention is to provide a mobile fire monitoring device capable of automatically monitoring an area where fire monitoring is highly necessary. A surveillance camera for capturing an image of a predetermined area, a surveillance control device installed in relation to the surveillance camera for processing surveillance-related information, and communicating with the surveillance control device for transmitting surveillance-related information. And an operation-side control device 3 for processing. The monitoring camera 1, the monitoring-side control device 2, and the operation-side control device 3 are accommodated in casings 4 and 5 having weather resistance, respectively.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fire monitoring system for detecting a fire by capturing an image of a city with a monitoring camera and processing the image.

[0002]

2. Description of the Related Art For example, as disclosed in Japanese Patent Application Laid-Open No. 9-167287, a monitoring camera is fixedly installed on the roof of a building and a control device is installed indoors to monitor a fire occurring in a city. In addition, the control device controls the surveillance camera and processes the image of the city captured by the surveillance camera to determine whether there is a fire. The surveillance camera is configured so that the imaging direction can be changed according to a predetermined cycle or a manual command of an operator, and is installed at a high place where there are few obstacles at the time of imaging, for example, on the roof of a high-rise building.

Japanese Patent Laid-Open Publication No. Heisei 5-20559 discloses a system for monitoring a fire in a city, in which an image of a predetermined warning area is taken using a television camera, and a luminance signal of the taken monitoring image is used. A technique of extracting and recognizing a flame portion caused by a fire and outputting fire detection information is disclosed. In this technique, a television camera is provided in each of a plurality of guard areas, and monitoring is performed for each of the guard areas.
Japanese Unexamined Patent Publication No. Hei 4-167199 discloses that in order to detect the occurrence of a fire in a pit of a refuse incineration plant, an image of the pit is taken by an infrared visible camera sensor, and the infrared image signal detects the temperature distribution on the surface of the garbage layer. The visible image signal is used to detect the occurrence of a flame. Japanese Patent Laid-Open No.
JP-A-186274 discloses a technique in which a pair of infrared cameras detects a fire position of a combustible substance such as dust and automatically extinguishes the fire, so to speak. The fire position is calculated from the scanning direction of each camera.

[0004]

SUMMARY OF THE INVENTION A monitoring camera is fixedly installed at a high place to monitor a city fire.
In the technique disclosed in Japanese Patent No. 87, even if the camera is installed at a high place, a large number of high-rise buildings exist in the city, so that a blind spot occurs. In order to eliminate the blind spot, it is necessary to install a large number of cameras, but it is extremely difficult to completely eliminate the blind spot when such a large number of cameras are installed. Furthermore, even if the entire city can be monitored in a state where the blind spot is eliminated in this way, the necessity of monitoring varies depending on the region, so that waste of monitoring equipment increases and monitoring efficiency deteriorates. .

In the prior art disclosed in Japanese Patent Application Laid-Open No. H5-20559, a camera is installed for each of a plurality of monitoring areas, and only one monitoring area is imaged. Also, in the prior art disclosed in Japanese Patent Application Laid-Open Nos. 4-167199 and 3-186274, the camera is configured to capture an image only in a pit, which is one monitoring area. As described above, according to these conventional techniques, when a plurality of areas are present, a camera is installed and monitored only in the area where monitoring is required among the areas according to the situation, and when the situation changes, It is not configured to monitor and move the camera to another area. Therefore, even in these conventional techniques, it is not possible to solve the above-mentioned problem, that is, the waste of equipment is increased and the monitoring efficiency is poor.

SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a fire monitoring apparatus capable of moving and installing a monitoring camera and a controller for processing monitoring-related information, and capable of mainly monitoring an area where the need is high. To provide.

[0007]

The present invention according to claim 1 includes (a) a surveillance camera 1 which is housed in a weather-resistant casing 4 and captures an image of a predetermined area; Tripod 8 supporting surveillance camera 1
(C) a base 12 having weather resistance and detachably fixed to the tripod 8, and capable of angular displacement with respect to the base 12;
A swivel 9 having a mounting portion 14 to which the casing 4 of the surveillance camera 1 is detachably fixed; and (d) a surveillance control device housed in the weatherproof casing 5 and installed in relation to the surveillance camera 1 And (e) an operation-side control device 3 housed in a weather-resistant casing 6 and installed so as to be able to communicate with the monitoring-side control device 2. (f) The monitoring-side control device 2 has at least (f1) ) A monitoring-side transmitting / receiving means 26 for wirelessly transmitting and receiving signals to and from the operation-side control device 3; and (f2) a visual-side control device among an image captured by the monitoring camera 1 and an image obtained based on this image. 2
(F3) monitoring-side display means 21 for displaying an image from the monitoring camera 1; and (f4) monitoring. Camera control means 23 for giving a signal for instructing the imaging conditions to the camera 1; (f5) turning control means 25 for giving a signal to the swivel table 9 for indicating the angular displacement position with respect to the base 12; and (g) weatherproof casing. 5 is: (g1) a rigid casing main body 30 having gripping means 33 and casters 34; (g2) an operation panel 36 of the monitoring-side control device 2 provided in an opening 31 of the casing main body 30 in a watertight manner; A) a rigid lid 32 which is detachably attached to the casing main body 30 by the locking means 35 and closes the opening 31 of the casing main body 30 in a watertight manner; (G4) Image transmission control means 20, monitoring-side display means 21,
The camera control unit 22 and the turning control unit 25 are housed in a casing main body 30 that is closed in a watertight manner by an operation panel 36, and the monitoring-side transmission / reception unit 26 has waterproofness.
(H) the operation-side control means 3 includes: (h1) at least (h1) an operation-side transmission / reception means 46 for wirelessly transmitting and receiving signals to and from the monitoring-side control device 2; and (h2) a monitoring-side control device. (H3) An image signal transmitted from the monitoring-side transmitting / receiving unit 26 and received by the operating-side transmitting / receiving unit 46 is displayed on the operating-side display unit 43. (I) a rigid casing main body 5 having a gripping means 53;
(I2) an operation panel 56 of the operation-side control device 3 provided in the opening 51 of the casing main body 50 in a water-tight manner; and (i3) a detachable attachment to the casing main body 50 by a locking means 55. (I4) operation side display means 43 and image reception control means 4
2 is housed in a casing main body 50 which is closed in a watertight manner by an operation panel 56, and the operation side transmitting / receiving means 46 is waterproof, is mounted on the operation panel 56, and can be moved and operated. It is a fire monitoring facility.

According to the present invention, the surveillance camera 1 for capturing an image of a predetermined area is housed in a casing 4 having weather resistance.
The casing 4 is detachably fixed to a swivel 9 that is detachably fixed to a tripod 8. Further, the tripod 8 and the swivel base 9 have weather resistance. Further, the monitoring control device 2
The operation-side control device 3 is housed in casings 5 and 6 having weather resistance. In the present invention, the weather resistance means that even if installed in a place affected by the weather, such as a place where rainwater is splashed or dust such as sand dust rolled up by the wind, the equipment accommodated in the casing is subjected to rainwater or A property that can be protected from the weather, such as being affected by dust.

The monitoring-side control device 2 includes at least monitoring-side transmitting / receiving means 26, image transmission control means 20, monitoring-side display means 21, camera control means 23, and turning control means 25.
The surveillance camera 1 is controlled by the camera control means 23, and the turntable 9 is controlled by the turn control means 25.
Is controlled, and a predetermined area is imaged by the monitoring camera 1,
The image obtained by the surveillance camera 1 and the control state of the equipment are displayed on the monitoring side display means 21, and the image taken by the surveillance camera 1 and the image obtained based on this image and the control state of the equipment are displayed on the monitoring side control device. 3 can be sent. The operation-side control device 3 includes at least an operation-side reception unit 46, an operation-side display unit 43, and an image reception control unit 42.
, And an image represented by the image signal can be displayed on the monitor side display means 43. By using such a fire monitoring facility, the surveillance camera 1 can be moved together with the tripod 8 and the swivel 9 together with the surveillance control device 2.
The fire can be monitored by moving and installing the operation-side control device 3. In setting the movement in this way, the surveillance camera 1, the tripod 8, the swivel 9, the monitoring-side control device 2, and the operation-side control device 3 are affected by the weather such as outdoors.
Even if it is installed in a place where rainwater is splashed or dust such as dust is scattered, it is possible to operate while maintaining the original function, and the degree of freedom in selecting an installation place is increased. Therefore, the surveillance camera 1 and the surveillance-side control device 2 of the fire surveillance equipment have a high degree of freedom in installation locations, and can be installed in an area where surveillance is required according to the situation in a place that is as easy to monitor as possible. Further, in response to a change in the situation, it can be moved to a location where other areas can be easily monitored and installed.

As described above, the surveillance camera 1 and the surveillance-side control device 2 can be easily moved and installed, and for example, the surveillance camera 1 and the surveillance-side control device 2 can be mainly monitored in an area where suspicious fires frequently occur. Monitoring efficiency can be improved. Police can also be used to arrest arsonists. Further, since the degree of freedom of the installation place is increased, the blind spot due to a high-rise building or the like is reduced. Even if the installation place is outdoors or the like, the installation place can be easily installed, thereby also improving the monitoring efficiency.

In addition, not only the surveillance camera 1 and the surveillance-side control device 2 but also the operation-side control device 3 are housed in the weather-resistant casing 6, and the degree of freedom in selecting the installation location of the operation-side control device 3 is increased. Get higher. Along with this, the degree of freedom in selecting the installation location of the monitoring control device 2 communicating with the operating control device 3 and the monitoring camera 1 provided in association with the monitoring control device 2 is further increased. The degree of freedom of the entire installation location can be increased. Further, the surveillance camera 1, the tripod 8, and the turntable 9 can be detached from each other and can be easily transported. The casing 5 in which the monitoring-side control device 2 is housed is provided with a gripping means 33 and a caster 34, so that the monitoring-side control device 2 can easily transport the entire casing 5. Further, the casing 6 in which the operation-side control device 3 is accommodated has a gripping means 53.
Is provided, and the operation-side control device 3 can easily transport the entire casing 6. In this way, surveillance camera 1
And the monitoring-side control device 2 including the above-described units and the operation-side control device 3 including the above-described units are easily transported to and installed in a place where fire monitoring is required. It can be carried out. In particular, the monitoring-side control device 2 and the operation-side control device 3 can be installed and used while housed in the casings 5 and 6.

[0012]

Further, since the monitoring-side control device 2 and the operation-side control device 3 transmit and receive signals to and from each other by wireless communication, the degree of freedom in selecting an installation place is further improved, for example, the monitor-side control apparatus 2 and the operation-side control apparatus 3 are respectively installed on rooftops of different buildings. be able to. Also, a communication cable or the like is connected to the monitoring-side control device 2.
In addition, the work of disposing the operation side control devices 3 is not required, and the installation work of the entire equipment is simplified and facilitated.

[0014]

The monitoring-side control device 2 and the operation-side control device 3 are housed in casing bodies 30 and 50 except for water-resistant transmission / reception means 26 and 46, respectively. 3 that closes watertightly, 51
2, 52 can be mounted. Further, the casing body 3 which can be closed by the lids 32 and 52 in this manner.
The operation panels 36,
56 is provided in a watertight manner. In the present invention, when the operation panel is provided in the opening in a water-tight manner, the operation panel closes water so as not to enter the casing main body through the opening, and electronic components such as switches provided in the operation panel are provided. It means that it is provided in a state having a drip-proof property.

Thus, even when the lids 32, 52 are removed from the casing bodies 30, 50, it is possible to prevent, for example, rainwater from entering the casing bodies 30, 50. Also, the monitoring work such as removing the lids 32 and 52 and operating the monitoring-side control device 2 and the operation-side control device 3 can be performed, and the workability is excellent. Furthermore, the casing body 3
By attaching the lids 32 and 52 to the casings 0 and 50, it is possible to more reliably prevent water from entering the casing bodies 30 and 50, and the reliability is improved. This lid 32,5
When it is not necessary to operate the monitoring-side control device 2 and the operation-side control device 3, the device 2 may be mounted on the casing bodies 30, 50, and a fire may be monitored in this state.

Since the casing bodies 30, 50 and the lids 32, 52 have rigidity, when the monitoring-side control device 2 and the operation-side control device 3 are transported, the casing bodies 30, 50 are attached to the lids. By mounting the devices 32 and 52, it is possible to prevent other devices and the like from colliding with the electronic devices provided on the monitoring-side control device 2 and the operation-side control device 3, particularly the operation panels 36 and 56, for example, due to vibration. And avoid damage. Further, when monitoring a fire, the lid 3 is attached to the casing bodies 30 and 50.
By mounting the components 2 and 52, it is possible to prevent small pieces such as dusts blown off by the wind from colliding with the monitoring-side control device 2 and the operation-side control device 3. Thus, damage can be prevented, and even if the damage is not caused, the switches provided on the operation panels 36 and 56 are operated to undesirably set the monitoring conditions such as the imaging direction of the monitoring camera 1 which are set in advance. It can be prevented from being changed.

According to a second aspect of the present invention, in the configuration of the first aspect, the surveillance-side control device 2 displays an image signal from the surveillance camera 1 on a uniform background of a predetermined heat source. Image processing means 22 for converting the image into a signal representing the image;
A fire determination unit 24a that determines the presence or absence of a fire based on the converted image signal provided from the image processing unit 22;
The determination result is provided to the monitoring-side display means 23, and when it is determined that a fire has occurred, an alarm is issued, and an instruction to issue an alarm to the operation-side control device 3 and an instruction to transmit the determination result are sent to the monitoring-side transmission / reception. The image processing means 22 and the monitoring system control means 24 are housed in a casing main body 30 which is closed by an operation panel 36 in a watertight manner.

According to the present invention, the presence / absence of a fire can be determined by the fire determining unit 24a of the monitoring-side control device 2 based on the image obtained by the monitoring camera 1. It is possible to quickly and reliably determine the presence or absence of a fire on the basis of the image, and to send an image having an enormous data amount for determining the presence or absence of a fire from the monitoring control device 2 to the operation control device 3. There is no need to communicate, and only information indicating the presence or absence of a fire and a part of the image whose status can be confirmed may be communicated, and the amount of information requiring communication can be reduced. Therefore, the transmission / reception means 26 and 46 for communication can be simplified and downsized, and the time required for communication can be shortened and processing can be performed quickly. Also, when it is determined that a fire has occurred, the monitoring-side control device 2 and the operation-side control device 3 can issue an alarm. I can let you know.

According to a third aspect of the present invention, in the configuration of the first or second aspect, the image transmission control means 20 of the monitoring-side control device 2 outputs an image signal representing an image captured at predetermined time intervals. It is characterized by giving an instruction to transmit to the operation side control device 3.

According to the present invention, among the images captured by the monitoring camera 1, an image signal of an image captured at predetermined time intervals is transmitted, so that the monitoring-side control device 2 communicates with the operation-side control device 3. The amount of information can be reduced.
That is, since the communication is performed by thinning out an image signal having a huge amount of data, the amount of data to be communicated can be reduced. Therefore, each transmission / reception means 26, 4 for communication
6 can be made simple and small, and the time required for communication can be shortened and processing can be performed quickly.

In particular, by combining the constitution of claim 2, the surveillance camera which can judge the presence or absence of a fire with high reliability based on abundant data obtained by the surveillance camera, and the judgment result and judgment material 1 transmits a part of the image to the operation-side control means 3 so that a monitoring person who is waiting for the operation-side control device has high reliability and can easily grasp the situation of the site. Can be transmitted, and the amount of data to be communicated can be reduced. The present invention described in claim 4 provides the present invention in claim 1
In the configuration of the invention described in any one of (1) to (3), the turning control unit 25 angularly displaces the mounting portion 14 of the turning table 9 so that the monitoring camera 1 can periodically image a plurality of imaging directions. It is characterized by the following. According to the present invention, the surveillance camera 1 is angularly displaced by the swivel 9 so as to periodically image a plurality of imaging directions. Thus, even if the fire monitoring equipment has a small, transportable configuration, it is possible to capture images not only in one direction but also in a plurality of directions, and to capture and monitor over a wide range.

[0023]

FIG. 1 is a perspective view showing a schematic configuration of a fire monitoring facility according to an embodiment of the present invention, and FIG. 2 is a block diagram showing an electrical configuration of the fire monitoring facility. . The fire monitoring equipment includes a surveillance camera 1 that captures an image of a predetermined area of a city, a surveillance control device 2 that is installed in relation to the surveillance camera 1, and processes surveillance-related information.
And an operation-side control device 3 that communicates with and processes monitoring-related information. In this fire monitoring facility, as one process of fire-related information, the monitoring-side control device 2 or the operation-side control device 3 gives an imaging condition to the monitoring camera 1, and the monitoring camera 1 captures an image in accordance with the imaging condition. As another process, the monitoring-side control device 2 or the operation-side control device 3
Is displayed, the presence or absence of a fire is determined based on the image, and an alarm is issued when a fire occurs according to the result.

In the fire surveillance facility for monitoring a city fire in this manner, at least the surveillance camera 1 of the surveillance camera 1, the surveillance control device 2, and the operation control device 3.
The monitoring-side control device 2 is housed in casings 4 and 5 having weather resistance. In this embodiment, the operation-side control device 3 is also housed in the casing 6 having weather resistance. In the present invention, the weather resistance of each of the casings 4 to 6 means that each of the casings 4 to 6 may be installed in a place affected by the weather, such as a place where rainwater splashes or dust such as sand dust that is rolled up by wind blows. 6 means that the devices 1 to 3 housed in the device 6 are not affected by the weather, such as being affected by rainwater or dust.

FIG. 3 is a side view showing an installation state of the surveillance camera 1, FIG. 4 is a plan view showing a casing 4 in which the surveillance camera 1 is accommodated when viewed from above in FIG. 3, and FIG.
FIG. 5 is a front view showing a casing 4 in which a monitoring camera is accommodated when viewed from the right side of FIG. Referring also to FIG. 1 and FIG. 2, the monitoring camera 1 is installed on a rooftop of a building 7 which is higher than surrounding buildings in order to reduce blind spots. A tripod 8 is mounted on the roof of the building 7, a swivel 9 is detachably fixed to the tripod 8, and a casing 4 is detachably fixed to the swivel 9. The surveillance camera 1 is housed in the casing 4, and the surveillance camera 1 is installed on the roof of the building 7 in this manner. At this time, it is preferable that the tripod 8 be firmly pressed by using a sandbag, whereby the stability of the surveillance camera 1 can be improved.

As described above, the surveillance camera 1 can be easily installed at an installation site selected as necessary by using the support base such as the tripod 8 and the swivel base 9. Further, since the surveillance camera 1 can be detached from the swivel base 9 and the swivel base 9 can be detached from the tripod 8, the surveillance camera 1, the tripod 8 and the swivel base 9 can be individually transported. Is easy to transport.

The monitoring camera 1 is an infrared camera, and a monitoring camera may be used in combination. Such a surveillance camera 1
Can capture an image while updating the frame every 1/30 second to obtain an image representing the temperature distribution in a predetermined area. Further, the monitoring camera 1 is connected to the monitoring-side control device 2 by a cable 10 having a length of, for example, about 20 m, and can obtain power via the monitoring-side control device 2, and an image signal representing a captured image. Can be sent to the monitoring-side control device 2.

The casing 4 in which the monitoring camera 1 is built
Is a substantially rectangular parallelepiped housing made of, for example, a corrosion-resistant aluminum alloy, and has a circular optical window 15 formed on one side on the front side. The optical window 15 is provided with a protective plate 16 made of a light-transmitting material, for example, germanium.
The casing 7 is closed, and a housing space is formed in the casing 7 to be partitioned from the outside in a watertight manner. The surveillance camera 1 is housed in the housing space of the casing 4 in a state where the monitoring camera 1 faces the outside from the optical window 15. Further, the casing 4 surrounds the optical window 15 from the upper side and both sides,
A hood portion 17 extends forward (to the right in FIG. 2). Thereby, for example, the protection plate 1 for water drops due to rainfall
6 and the protection plate 1 for garbage flying by the wind
6 can be suppressed, maintenance performance can be improved, and deterioration of an image captured by the monitoring camera 1 can be suppressed.

The monitoring camera 1 housed in the casing 4 can be housed in the casing 4 and housed in a carrying case (not shown) made of, for example, aluminum. By being housed in the transport case in this way, the transport case has a rigid configuration, so that it can be prevented from being damaged by collision of other equipment due to vibrations during transport, and further, the size and weight can be reduced. However, the monitoring camera 1 can be easily transported because it is configured to have dimensions and weight that can be transported by human power. Further, a casing 5 described later is provided in the transfer case.
By providing the same gripping means as the gripping means 33 of
You may make it easy to convey.

The tripod 8 is a tripod capable of opening and closing the legs 11, and a commercially available tripod can be used. Since the tripod 8 is configured to have dimensions and weight that can be conveyed by human power, the tripod 8 is easy to convey and is not a precision machine. 11 can be transported in a storage bag in a closed state.

The swivel table 9 has a base 12 fixed to the tripod 8.
A turning portion 13 provided on the base portion 12 so as to be angularly displaceable about a vertical axis L1; and a mounting portion on which the turning portion 13 is angularly displaceable about a horizontal axis L2 perpendicular to the vertical axis L1 and to which the casing 4 is fixed. 14. This swivel 9
The power can be obtained by the cable 10 together with the surveillance camera 1, and the built-in motor can drive the turning part 13 and the mounting part 14 around the respective axes L1 and L2. As a result, the casing 4 and, consequently, the housed surveillance camera 1 are moved by the swivel 9 to the respective axes L1, L
2 can be angularly displaced.

The angular range in which the turntable 9 can be angularly displaced can turn around the vertical axis L1 and the horizontal axis L2. That is, the monitoring camera 1
The imaging direction can be set around the vertical axis L1 and the horizontal axis L2 without moving the tripod 8. The tripod 8 and the swivel base 9 are configured so that their performance does not change even when they are installed in a place affected by the weather, such as a place where dust such as sand dust or the like that winds up or winds up.

The swivel 9 can be accommodated in a carrying case (not shown) made of, for example, aluminum. By being housed in the transport case in this way, the transport case has a rigid configuration, so that it can be prevented from being damaged by collision of other equipment due to vibrations during transport, and further, the size and weight can be reduced. As described above, the surveillance camera 1 can be easily transported because it is configured to have dimensions and weight that can be transported manually. Further, a casing 5 described later is provided in the transfer case.
By providing the same gripping means as the gripping means 33 of
You may make it easy to convey.

FIG. 6 is a perspective view showing the monitoring-side control device 2, and FIG. 7 is a casing 5 in which the monitoring-side control device 2 is stored.
FIG. Referring also to FIG. 1 and FIG. 2, the monitoring-side control device 2
Will be installed on the rooftop. Although the monitoring-side control device 2 is housed in the weather-resistant casing 5, it is a precision device, and therefore, a place where rainwater does not splash as much as possible, for example, FIG.
Is installed below the stairs 18 as shown in FIG. Of course, even if it is rained, the monitoring-side control device 2 is not affected.

The monitoring-side control device 2 includes an image transmission control unit 20, a monitoring-side display unit 21, and an image processing unit 22.
, Camera control means 23, monitoring system control means 2
4, a turntable control unit 25, and a monitoring-side transmitting / receiving unit 26. The casing 5 in which the monitoring-side control device 2 having these units 20 to 26 is accommodated is a rigid box-shaped casing body 30 in which the monitoring-side control device 2 is accommodated.
And an opening 3 attached to the opening 31 of the casing body 30 in a detachable manner.
And a lid 32 having rigidity for closing watertightly. The casing body 30 and the lid 32 are made of, for example, aluminum.

The casing body 30 has an opening 3 on one side.
1 are formed in a box shape, and two gripping means 33 are formed on each of two longitudinal sides connected to one side of the casing body 30 where the opening 31 is formed (see FIGS. 6 and 7). 7 each holding means 3 on one side in the longitudinal direction.
3 only). Further, when installing the monitoring-side control device 2, the casing body 30 is installed so that the longitudinal direction thereof coincides with the up-down direction, and casters 34 are provided near four corners on the lower side. . Lid 32
The locking means 35 (one side of one side) is provided on the casing body 30 at one side where the opening 31 of the casing body 30 is formed and two sides respectively connected to both sides in the longitudinal direction. Only each of the locking means 35 can be locked and mounted by the illustrated). Thereby, the lid 32 can be attached to and detached from the casing main body 32, and the lid 32 can be firmly attached to the casing main body 30 to close the opening 31 in a watertight manner.

The monitoring-side control device 2 is configured such that its dimensions and weight, including the casing 5, are of a size and weight that can be transported by human power, so that it can be easily transported. In addition, since the casing 5 is provided with the gripping means 33, the gripping means 33 can be gripped when transported, and can be easily transported. Further, since the gripping means 33 are provided on both sides in the longitudinal direction, it is easy to balance when gripping and holding the gripping means 33. Further, since two monitors are provided on both sides in the longitudinal direction, it is possible for two observers to hold each gripping means 33 on both sides in the longitudinal direction with both hands. Can be easier. Further, the casing 5 can be moved by using the casters 34, and in such a case, the transport is further facilitated. Further, the casing 5 can be used as a case for carrying, which can prevent bulkiness in carrying, and can eliminate the need for housing work in a separately provided case, thereby facilitating carrying work. become.

When the monitoring-side control device 2 is accommodated in the casing main body 30 of such a casing 5, the operation panel 36 of the monitoring-side control device 2 is provided in the opening 31 of the casing main body 30. It is provided watertight from the opening 31 to the outside. The operation panel 36 is a panel on which electronic components 37 such as switches for operating the monitoring-side control device 2 are provided. Here, the operation panel 36
Is provided in the opening 31 in a water-tight manner.
This means that water is blocked so as not to enter the casing main body 30 through the opening 31, and the electronic components 37 such as switches provided on the operation panel 36 are provided in a drip-proof state.

FIG. 8 shows the casing body 3 of the operation panel 36.
FIG. 9 is a cross-sectional view illustrating an example of a structure for attaching the switch 37A to the operation panel 36. FIG. FIG. 8 shows only the casing body 30 and the operation panel 36 of the monitoring-side control device 2, and omits other parts. The casing main body 30 is provided with spaces 38a, 38b, 38c, in which the respective units 20 to 25 except the transmission / reception unit 26 of the monitoring-side control device 2 are arranged alone or in combination.
38d, 38e, each space 38a-38e,
Each of the openings is opened at an opening 31 of the casing body 30. The operation panel 36 is provided in each of the spaces 38a to 378.
e in the opening 31 to close the panel 36
a, 36b, 36c, 36d, and 36e. Each of the panel portions 36a to 36e is water-tightly and detachably fixed to the casing body 30 via a sealing member 39 such as a rubber packing by a fastening member 40 such as a screw. Is done. Each of the panel members 36a to 36e is made of, for example, a corrosion-resistant aluminum alloy.

The operation panel 36 is provided with a display window 41 on a panel portion 36a for closing a space 38a in which the display means 21 is arranged.
The display window 41 is watertightly closed by a protection plate 43 fixed to the panel portion 36a via a sealing member 42 such as a rubber packing. This protection plate 43
Is made of, for example, translucent acrylic. The display means 21 is arranged with the display section 44 facing the outside from the display window 41.

The switch 37A, which is one of the electronic components 37 provided on the operation panel 36, is a jet-proof and oil-proof push-type switch that can prevent water and oil from entering. The switch 37A is operated by the operation unit 3
7b is provided on the operation panel 36 in a state where it protrudes from the mounting hole 45 formed in the operation panel 36 and the mounting hole 45 is closed in a watertight manner. Not only the switch 37A illustrated, but also other switches and other electronic components 37 such as an indicator lamp are similarly electronic components having a structure capable of blocking intrusion of water and oil, and are fixed to the operation panel 36 in a watertight manner. Have been.

Referring again to FIG. 1, FIG. 2, FIG. 6, and FIG. 7, the monitoring-side control device 2 is connected to an AC 100 volt power supply supplied to a general building using a cable 27, and is operated. Power can be obtained. The image transmission control means 20 receives an image signal from the surveillance camera 1 and a processed image signal from the image processing means 22, selects one of these image signals, and selects one of the image signals. An image signal of an image captured every time, in this embodiment, every 20 seconds is given to the transmission / reception means 26 so as to be transmitted to the operation-side control device 3. This operation side control device 3
The time interval between image signals can be set by operating a switch provided on the operation panel 36 or by operating the operation-side control device 3. The image transmission control means 20 has a function as a buffer memory.

The display means 21 has a display unit 44 realized by a liquid crystal display having a resolution of, for example, 10 inches and a resolution of 640 dots in the horizontal direction × 480 dots in the vertical direction. The overall control status can be displayed. More specifically, an image signal is given to the display unit 21 from the surveillance camera 1, and the image is updated at the same cycle as the imaging cycle of the surveillance camera 1, and can be displayed as a substantially real-time moving image. The display means 21 is provided with data related to control from the monitoring-side system control means 24, for example, data such as whether or not a fire has occurred, the operating state of the monitoring camera 1 and the operating state of the swivel 9 and the like. Can be displayed.

By displaying the image and each data by the surveillance camera 1 in this way, the observer can confirm the monitoring result of the image and the like by the surveillance camera 1 and the monitoring condition such as the imaging direction. The content displayed by the display means 21 can be selected by the monitor operating the switch 37 provided on the operation panel 36, and the monitor can select the display content as necessary. It is convenient.

The image processing means 22 receives an image signal from the surveillance camera 1 and, on the basis of the image signal, a predetermined heat source existing in the image for each frame, for example, a heat source having a predetermined temperature or higher, is used as a uniform background. Convert to a signal representing the image displayed above. That is, the processed image is an image in which only a predetermined heat source is displayed. The converted signal is supplied to the monitoring-side system control means 24.

The camera control means 23 supplies power for operating the monitoring camera 1 and
The monitoring camera 1 is provided with a signal instructing an imaging condition such as exposure, for example, based on an instruction set by a switch or the like provided in the monitoring unit 6 or based on a command from the monitoring-side system control unit 24. Further, an image signal from the surveillance camera 1 is provided. Based on the image signal, correction of an imaging condition can be instructed to the surveillance camera 1 and the imaging condition is given to the system control unit 24.

The monitoring-side system control means 24 has a fire judging section 24a, and judges the presence or absence of a fire based on the converted image signal provided from the image processing means 22 by a method described later, and determines the judgment result. When it is determined that a fire has occurred, an alarm is issued, and an instruction to issue an alarm to the operation-side control means 3 and an instruction to transmit a determination result are given to the transmission / reception means 26. Further, the imaging condition instructed to the monitoring camera 1 is given to the camera control means 23, and a signal representing the actual imaging condition is given from the camera control means 23, and based on this, the above-mentioned fire determination can be corrected. Together with the display means 21
, A signal indicating an imaging condition of the monitoring camera 1 is given. The turning condition instructing the turning table 9 is given to the turning control means 25, and a signal representing the actual turning condition is given from the turning control means 25.
Can be given to the display means 21 and an instruction to be transmitted to the operation-side control device 3 can be given to the transmission / reception means 26.

The turning control means 25 supplies electric power for operating the turning table 9, and is set by a switch provided on an operation panel 36 or based on a command from the monitoring-side system control means 24. Stand 9
, A signal indicating an angular displacement position around each of the axes L1 and L2 is given. Also, a signal indicating the angular displacement position is given from the swivel 9, and based on this signal, correction of the angular displacement position can be instructed to the swivel 1, and data representing the angular displacement position is transmitted to the system control unit 24. Give to.

The monitoring-side transmitting / receiving means 26 is realized by, for example, a commercially available small-area simple wireless device, has a waterproof structure, and is detachably mounted on the operation panel 36. The transmission / reception unit 26 is a radio device of the FM modulation system, and has a frequency of 348.5625 to 348.8000 MH.
This is a small wireless device having a transmission output of 1 W for transmitting and receiving using one channel out of 20 channels of the frequency band z. Transmission / reception means 2 realized by such a wireless device
6 transmits data to the operation-side control device 3 based on instructions from the image transmission control means 20 and the monitoring-side system control means 24.
Wireless transmission. Also, data wirelessly transmitted from the operation-side control device 3 can be received and given to the monitoring-side system control means 24. The radio may be a disaster prevention radio used by a fire station or a police station.

FIG. 10 is a perspective view showing the operation side control device 3, and FIG. 11 is a perspective view showing the casing 6 in which the operation side control device 3 is stored. Referring also to FIGS. 1 and 2, the surveillance control device 3 is installed in a building different from the surveillance camera 1 and the surveillance control device 2, for example, in an operation room of a fire department. Although the operation-side control device 3 is housed in the weather-resistant casing 6, it is a precision device, and is therefore installed indoors for protection. Of course, even if it is installed outdoors and rainwater splashes, the operation-side control device 3 is not affected.

The operation side control device 3 includes an operation side system control means 41, an image reception control means 42, an operation side display means 43, a system operation means 44, a parameter setting means 45, and an operation side transmission / reception means 46. And Like the casing 5, the casing 6 in which the operation-side control device 3 having these units 41 to 46 is housed has a rigid box-shaped casing body 50 in which the monitoring-side control device 3 is housed, and a casing body 50. A lid 52 which is detachably provided in the opening 51 of the opening 50 and has rigidity which closes the opening 51 in a water-tight state when the opening 51 is attached to the opening 51. The casing body 50 and the lid 52 are made of, for example, aluminum.

The casing body 50 has an opening 5 on one side.
1 are formed, and two gripping means 53 are formed on each of two longitudinal sides connected to one side of the casing body 50 where the opening 51 is formed (FIGS. 10 and 10). 11 shows only the gripping means 53 on one side in the longitudinal direction). The casing body 50 is arranged such that the opening 51 faces upward when the monitoring-side control device 3 is installed. The lid 52 is connected to the casing body 50.
The locking means 55 (two locking means 55 on one side) are respectively provided on two sides respectively connected to one side where the opening 51 of the casing body 50 is formed and two sides respectively connected to both sides in the longitudinal direction. Only shown). Thereby, the lid 52 can be attached to and detached from the casing main body 52, and the lid 52 can be firmly attached to the casing main body 50 to close the opening 51 in a watertight manner.

Since the size and weight of the operation-side control device 3 including the casing 6 are such that the size and weight can be carried by human power, the operation-side control device 3 can be easily carried. In addition, since the casing 6 is provided with each gripping means 53, the gripping means 53 can be gripped when transported, and can be easily transported. Further, since the gripping means 33 are provided on both sides in the longitudinal direction, when the gripping means 53 is gripped and held, it is easy to balance. Further, since two monitors are provided on both sides in the longitudinal direction, it is possible for two observers to hold each gripping means 53 on both sides in the longitudinal direction with both hands. Can be easier. Furthermore, this casing 6 can be used as a case for carrying, and can prevent bulkiness in carrying, and can be easily accommodated in a separately provided case because it is not necessary. become.

When the operation-side control device 3 is accommodated in the casing main body 50 of such a casing 6, the operation panel 56 of the operation-side control device 3 is placed in the opening 51 of the casing main body 50. It is provided watertight from the opening 51 to the outside. The operation panel 56 is a panel on which electronic components 57 such as switches for operating the operation-side control device 3 are provided. Here, the operation panel 56
Is provided in the opening 51 in a water-tight manner.
This means that water is blocked so as not to enter the casing main body 50 through the opening 51, and the electronic components 57 such as switches provided on the operation panel 56 are provided in a drip-proof state. The operation panel 56 is shown in FIG.
A drip-proof property is achieved by the same configuration as the operation panel 36 described with reference to FIG. 9 and FIG.

The operation-side control device 3 is connected to an AC 100 volt power supply supplied to a general building by using a cable 57 having a length of about 3 m, and can obtain power for operation. Operation side system control means 41
Is given a signal that is wirelessly transmitted from the monitoring-side control device 2 and received by the operating-side transmitting / receiving means 46, and based on this signal, the monitoring-side control device 2 determines that a fire has occurred. Sometimes, while alerting,
The received control content is given to the operation side display means 43.
Further, based on the instructions from the system operation unit 44 and the parameter setting unit 45, the control unit 2 gives an instruction to the operation-side transmission / reception unit 46 to transmit a signal for instructing the operation of the monitoring camera 1 and the turntable 9 to the monitoring-side control device 2.

The image reception control means 42 receives the image signal from the surveillance camera 1, transmits the image signal from the monitoring-side control device 2, receives the image signal received by the operation-side transmission / reception means 46, and operates the image signal. To the side display means 43. The image reception control means 42 has a function as a buffer memory.

The operation side display means 43 is provided for the monitoring side display means 2.
As in the first embodiment, the display unit has a display unit realized by a liquid crystal display. The display unit is provided facing the outside through a display window 70 formed in the operation panel 56 in the same manner as the monitoring display unit 43. I have. The operation side display unit 43 can display an image of the surveillance camera 1 based on an image signal transmitted from the monitoring side control device 2.
Further, data relating to control, for example, whether or not a fire has occurred, the operation state of the monitoring camera 1 and the operation state of the swivel table 9 are given from the operation side system control means 41, and these data can be displayed.

By displaying the image and each data by the surveillance camera 1 in this manner, the observer can confirm the result of monitoring the image and the like by the surveillance camera 1 and the monitoring condition such as the image pickup direction. The content displayed by the display means 43 can be selected by the monitor operating the switch 57 provided on the operation panel 56, and the monitor can select the display content as needed. It is convenient.

The system operation means 44 includes an operation panel 56
In response to an operation of an electronic component 57 such as a switch provided on the operation side, an instruction to transmit, for example, an angular displacement position of the swivel 9 to the monitoring-side control device 2 can be given to the operation-side system control means 41. it can. The parameter setting means 45 gives the operation-side control means 41 an instruction to transmit, for example, a parameter for fire determination to the monitoring-side control device 2.

The operation side transmission / reception means 46 is realized by, for example, a commercially available small area type simple radio, has a waterproof structure, and is connected to the operation panel 56 by a cable 71, similarly to the monitoring side operation means 26. Has been
Operability is good. The operation side transmitting / receiving means 46 can be accommodated in the casing 6. The operation-side transmission / reception unit 46 can wirelessly transmit data of the monitoring-side control device 2 based on a command from the image transmission operation-side system control unit 41. Further, it can receive data wirelessly transmitted from the monitoring-side control device 2 and provide the data to the operation-side system control means 41.

In the fire monitoring equipment configured as described above, the surveillance camera 1 and the surveillance-side control device 2 are transported and installed in an area where surveillance is required.
Stand by and watch for fires. This fire monitoring equipment is used, for example, to monitor suspicious fires at night,
Two monitoring modes, an automatic mode and a manual mode, can be selected to monitor a fire.

In the manual mode, when the surveillance camera 1 and the surveillance control device 2 are installed, the imaging directions of a plurality (for example, three) of the surveillance camera 1 are changed.
By operating a switch or the like on the operation panel 36, the turning control means 25 can be preset, that is, set in advance, and the set imaging direction can be periodically imaged at a predetermined time, for example, every 20 seconds. As described above, the turning control means 2
The swivel 9 is angularly displaced by 5 to change the imaging direction and perform imaging. Of the captured images, images captured every 20 seconds are sent to the operation-side control device 3 together with monitoring conditions such as the imaging direction and displayed on the monitoring-side display means 43 to notify the monitoring person of the monitoring result. it can. The monitor determines the occurrence of a fire based on such display contents. In this manual mode, the observer can remotely control the power of the infrared camera 1 and the swivel base 9 on and off by operating the operation-side control device 3.

In the automatic mode, the surveillance camera 1 captures an image of an area within the area that can be monitored, detects a heat source existing in the area, and determines whether the heat source is a fire. When it is determined that a fire has occurred, an alarm is issued to a supervisor standing by near the operation-side control device 3 to notify that a fire may have occurred. In the automatic mode, when the surveillance camera 1 and the surveillance control device 2 are installed, the imaging directions of a plurality (for example, three) of the surveillance camera 1 are changed by operating switches on the operation panel 36 of the surveillance control device 2. The turning control means 25 is preset by the turning control means 25, that is, set in advance, so that the turning table 9 can be periodically imaged at a predetermined time, for example, every 20 seconds, so that the set imaging direction can be imaged. Is angularly displaced to change the imaging direction and perform imaging. Among the captured images, the images captured every 20 seconds as described above are sent to the operation-side control device 3 together with the monitoring conditions such as the imaging direction and displayed on the monitoring-side display unit 43, and displayed to the monitor. The monitoring result can be notified.

The image obtained by the surveillance camera 1 is subjected to image processing by the image processing means 22, and based on the processed image, the fire determination unit 24a of the monitoring-side system control means 24 determines the presence or absence of a fire. . When it is determined that a fire has occurred, a signal indicating that there is a possibility of a fire is given to the operation-side control device 3, and an alarm is generated by the operation-side system control device by an alarm sound. For example, the operation panel 5
6 may be provided with a red indicator light so that an alarm is also issued by light, so that the alarm to the monitoring person is notified more reliably. At this time, a map display function implemented for high-altitude monitoring may be provided.

In such an automatic mode, at the same time as issuing an alarm, the mode is switched to the manual mode.
The situation of the fire can be understood in detail. In the automatic mode, the operation side display unit 43 displays the image processed by the image unit, but does not process the image when the mode is switched to the manual mode.
Is displayed, and the situation can be easily grasped. The above operation is assumed to be performed by wireless communication, but wired communication may be used.

FIG. 12 is a flowchart showing an example of the procedure of fire judgment in the fire judgment section 24a. When the fire monitoring is started, in step s1, the image processing means 2
Then, it is determined whether or not a heat source is present in the captured image based on the signals from the two. If no heat source is present, the process is repeated until a heat source is detected. Steps
In step 1, when a heat source is detected, the process proceeds to step s2 to determine whether the detected heat source is a moving object. If the heat source is a moving object, step s1
Return to the processing of. If it is determined that the heat source is not a moving object, the process proceeds to step s3, and it is determined whether the heat source area is increasing. If the heat source area has not increased, the process returns to step s1. If the heat source area has increased, it is determined that there is a possibility of a fire, and in step s4,
The system control means is instructed to issue an alarm, and the process returns to step s1.

The above embodiment is merely an embodiment of the present invention, and can be modified within the scope of the present invention. For example, dimensions, materials, and the like are merely examples, and can be changed. Further, the support base for pointing the surveillance camera 1 may not be the tripod 8. The operation-side control device 3
It is not necessary to house it in the weatherproof casing 6. Gripping means 3
3 and 53 may be provided one by one on both sides in the longitudinal direction. The waterproof structure does not have to be limited. Also, since the operation-side control device 3 can be transported, it may be installed in, for example, a house 60 of a fire brigade member, a monitoring vehicle 6, or the like. Further, the imaging direction of the monitoring camera 1 may be operated by operating the operation-side control device 3, and the observer may be waiting near the monitoring-side control device 2, or the observer is waiting. Control device 2,
In at least one of the three, an alarm may be issued.

[0068]

According to the first aspect of the present invention, the surveillance camera 1 for capturing an image of a predetermined area is housed in a weatherproof casing 4 and is mounted on a revolving base 9 which is detachably fixed to a tripod 8. The casing 4 is detachably fixed. Further, the tripod 8 and the swivel base 9 have weather resistance. Further, the monitoring-side control device 2 and the operation-side control device 3 are housed in casings 5 and 6 having weather resistance, respectively. In the present invention, the weather resistance means that even if installed in a place affected by the weather, such as a place where rainwater is splashed or dust such as sand dust rolled up by the wind, the equipment accommodated in the casing is subjected to rainwater or A property that can be protected from the weather, such as being affected by dust.

The monitoring-side control device 2 includes at least monitoring-side transmitting / receiving means 26, image transmission control means 20, monitoring-side display means 21, camera control means 23, and turning control means 25.
The surveillance camera 1 is controlled by the camera control means 23, and the turntable 9 is controlled by the turn control means 25.
Is controlled, and a predetermined area is imaged by the monitoring camera 1,
The image obtained by the surveillance camera 1 and the control state of the equipment are displayed on the monitoring side display means 21, and the image taken by the surveillance camera 1 and the image obtained based on this image and the control state of the equipment are displayed on the monitoring side control device. 3 can be sent. The operation-side control device 3 includes at least an operation-side reception unit 46, an operation-side display unit 43, and an image reception control unit 42.
, And an image represented by the image signal can be displayed on the monitor side display means 43. By using such a fire monitoring facility, the surveillance camera 1 can be moved together with the tripod 8 and the swivel 9 together with the surveillance control device 2.
The fire can be monitored by moving and installing the operation-side control device 3. In setting the movement in this way, the surveillance camera 1, the tripod 8, the swivel 9, the monitoring-side control device 2, and the operation-side control device 3 are affected by the weather such as outdoors.
Even if it is installed in a place where rainwater is splashed or dust such as dust is scattered, it is possible to operate while maintaining the original function, and the degree of freedom in selecting an installation place is increased. Therefore, the surveillance camera 1 and the surveillance-side control device 2 of the fire surveillance equipment have a high degree of freedom in installation locations, and can be installed in an area where surveillance is required according to the situation in a place that is as easy to monitor as possible. Further, in response to a change in the situation, it can be moved to a location where other areas can be easily monitored and installed.

As described above, the surveillance camera and the surveillance-side control device can be easily moved and installed.
For example, the area where suspicious fires frequently occur can be monitored, and the efficiency of fire monitoring can be improved, and the criminal arrests can be contributed. Also, since the degree of freedom of the installation location is increased, the blind spot due to a high-rise building or the like is reduced. Even if the installation location is outdoors or the like, it can be easily installed, and the monitoring efficiency can also be improved.

In addition, not only the surveillance camera 1 and the surveillance-side control device 2 but also the operation-side control device 3 are housed in the weatherproof casing 6, and the degree of freedom in selecting the installation location of the operation-side control device 3 is increased. Get higher. Along with this, the degree of freedom in selecting the installation location of the monitoring control device 2 communicating with the operating control device 3 and the monitoring camera 1 provided in association with the monitoring control device 2 is further increased. The degree of freedom of the entire installation location can be increased. Further, the surveillance camera 1, the tripod 8, and the turntable 9 can be detached from each other and can be easily transported. The casing 5 in which the monitoring-side control device 2 is housed is provided with a gripping means 33 and a caster 34, so that the monitoring-side control device 2 can easily transport the entire casing 5. Further, the casing 6 in which the operation-side control device 3 is accommodated has a gripping means 53.
Is provided, and the operation-side control device 3 can easily transport the entire casing 6. In this way, surveillance camera 1
And the monitoring-side control device 2 including the above-described units and the operation-side control device 3 including the above-described units are easily transported to and installed in a place where fire monitoring is required. It can be carried out. In particular, the monitoring-side control device 2 and the operation-side control device 3 can be installed and used while housed in the casings 5 and 6.

Further, since the monitoring-side control device 2 and the operation-side control device 3 transmit and receive signals to and from each other by wireless communication, the degree of freedom in selecting an installation location is further improved, for example, by installing them on the roofs of different buildings. be able to. Also, a communication cable or the like is connected to the monitoring-side control device 2.
In addition, the work of disposing the operation side control devices 3 is not required, and the installation work of the entire equipment is simplified and facilitated.

The monitoring-side control device 2 and the operation-side control device 3 are housed in casing bodies 30 and 50 except for the water-resistant transmission / reception means 26 and 46, respectively. 3 that closes watertightly, 51
2, 52 can be mounted. Further, the casing body 3 which can be closed by the lids 32 and 52 in this manner.
The operation panels 36,
56 is provided in a watertight manner. In the present invention, when the operation panel is provided in the opening in a water-tight manner, the operation panel closes water so as not to enter the casing main body through the opening, and electronic components such as switches provided in the operation panel are provided. It means that it is provided in a state having a drip-proof property.

Thus, even when the lids 32, 52 are removed from the casing bodies 30, 50, it is possible to prevent, for example, rainwater from entering the casing bodies 30, 50. Also, the monitoring work such as removing the lids 32 and 52 and operating the monitoring-side control device 2 and the operation-side control device 3 can be performed, and the workability is excellent. Furthermore, the casing body 3
By attaching the lids 32 and 52 to the casings 0 and 50, it is possible to more reliably prevent water from entering the casing bodies 30 and 50, and the reliability is improved. This lid 32,5
When it is not necessary to operate the monitoring-side control device 2 and the operation-side control device 3, the device 2 may be mounted on the casing bodies 30, 50, and a fire may be monitored in this state.

Since the casing bodies 30 and 50 and the lids 32 and 52 are rigid, when the monitor-side control device 2 and the operation-side control device 3 are transported, the casing bodies 30 and 50 are By mounting the devices 32 and 52, it is possible to prevent other devices and the like from colliding with the electronic devices provided on the monitoring-side control device 2 and the operation-side control device 3, particularly the operation panels 36 and 56, for example, due to vibration. And avoid damage. Further, when monitoring a fire, the lid 3 is attached to the casing bodies 30 and 50.
By mounting the components 2 and 52, it is possible to prevent small pieces such as dusts blown off by the wind from colliding with the monitoring-side control device 2 and the operation-side control device 3. Thus, damage can be prevented, and even if the damage is not caused, the switches provided on the operation panels 36 and 56 are operated to undesirably set the monitoring conditions such as the imaging direction of the monitoring camera 1 which are set in advance. It can be prevented from being changed.

According to the second aspect of the present invention, the presence / absence of a fire can be determined by the fire determining unit 24a of the monitoring-side control device 2 based on the image obtained by the monitoring camera 1. Based on the abundant data obtained, it is possible to quickly and reliably determine the presence or absence of a fire, and the monitoring-side control device 2 sends a large amount of data for determining the presence or absence of a fire to the operation-side control device 3. There is no need to communicate an image having a large amount, and only information indicating the presence or absence of a fire and a part of the image whose status can be confirmed may be communicated, and the amount of information requiring communication can be reduced. Therefore, the transmission / reception means 26 and 46 for communication can be simplified and downsized, and the time required for communication can be shortened and processing can be performed quickly. Also, when it is determined that a fire has occurred, the monitoring-side control device 2 and the operation-side control device 3 can issue an alarm. I can let you know.

According to the third aspect of the present invention, among the images captured by the monitoring camera 1, the image signal of the image captured at predetermined time intervals is transmitted. The amount of information communicated to the device 3 can be reduced. That is, since the communication is performed by thinning out an image signal having a huge amount of data, the amount of data to be communicated can be reduced. Therefore, the transmission / reception means 26 and 46 for communication can be made simple and small, and the time required for communication can be shortened and processing can be performed quickly.

In particular, by combining the constitution of claim 2, the presence or absence of a fire can be determined with high reliability based on the abundant data obtained by the monitoring camera, and the result of the determination and the monitoring camera serving as the determination material 1 transmits a part of the image to the operation-side control means 3 so that a monitoring person who is waiting for the operation-side control device has high reliability and can easily grasp the situation of the site. Can be transmitted, and the amount of data to be communicated can be reduced. According to the present invention, the surveillance camera 1 is angularly displaced by the swivel 9 so as to periodically image a plurality of imaging directions. Thus, even if the fire monitoring equipment has a small, transportable configuration, it is possible to capture images not only in one direction but also in a plurality of directions, and to capture and monitor over a wide range.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a schematic configuration of a fire monitoring device according to an embodiment of the present invention.

FIG. 2 is a block diagram showing an electrical configuration of the fire monitoring device shown in FIG.

FIG. 3 is a side view showing an installation state of the monitoring camera 1.

FIG. 4 is a plan view of a casing 4 in which the monitoring camera 1 is accommodated as viewed from above in FIG.

FIG. 5 is a front view of a casing 4 in which the monitoring camera 1 is accommodated as viewed from the right side of FIG.

FIG. 6 is a perspective view showing a monitoring-side control device 2.

FIG. 7 is a perspective view showing a casing 5 in which the monitoring-side control device 2 is housed.

FIG. 8 is a sectional view showing a structure for attaching the operation panel 36 to the casing body 30.

FIG. 9 is a sectional view showing a switch 37A provided on the operation panel 36.

FIG. 10 is a perspective view showing an operation-side control device 3.

FIG. 11 shows a casing 6 in which the operation-side control device 3 is housed.
FIG.

FIG. 12 is a flowchart illustrating a procedure of fire determination.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 surveillance camera 2 monitoring-side control device 3 operation-side control device 4 to 6 casing 20 image transmission control means 21, 43 display means 22 image processing means 23 camera control means 24, 41 system control means 24 a fire determination unit 25 turning control means 26 , 46 transmission / reception means 30, 50 casing body 31, 51 opening 32, 52 lid 42 image reception control means 44 system operation means 45 parameter setting means

────────────────────────────────────────────────── ─── Continued on the front page (51) Int.Cl. ⁶ Identification code FI H05K 5/06 H05K 5/06 A (72) Inventor Tetsuya Mori 234 Matsumoto, Hazeya-cho, Nishi-ku, Kobe-shi, Hyogo Kawasaki Heavy Industries, Ltd. Nishi-Kobe In a factory (56) References JP-A-1-289391 (JP, A) JP-A-5-20559 (JP, A) JP-A-6-44483 (JP, A) JP-A-9-167287 (JP, A) Japanese Unexamined Patent Publication (Kokai) No. 3-119795 (JP, A) Japanese Utility Model Application No. 4-105767 (JP, U) Japanese Utility Model Application No. 63-61196 (JP, U) Registered Utility Model 3041725 (JP, U) (58) Int.Cl. ⁶ , DB name) G08B 17/00-31/00 H04N 7/18 H05K 5/00-5/06

Claims (4)

(57) [Claims] 1. A surveillance camera 1 that is housed in a weather-resistant casing 4 and captures an image of a predetermined area, and (b) a tripod 8 that has weather resistance and supports the surveillance camera 1.
(C) a base 12 having weather resistance and detachably fixed to the tripod 8, and capable of angular displacement with respect to the base 12;
A swivel 9 having a mounting portion 14 to which the casing 4 of the surveillance camera 1 is detachably fixed; and (d) a surveillance control device housed in the weatherproof casing 5 and installed in relation to the surveillance camera 1 And (e) an operation-side control device 3 housed in a weather-resistant casing 6 and installed so as to be able to communicate with the monitoring-side control device 2. (f) The monitoring-side control device 2 has at least (f1) ) A monitoring-side transmitting / receiving means 26 for wirelessly transmitting and receiving signals to and from the operation-side control device 3; and (f2) a visual-side control device among an image captured by the monitoring camera 1 and an image obtained based on this image. 2
(F3) monitoring-side display means 21 for displaying an image from the monitoring camera 1; and (f4) monitoring. Camera control means 23 for giving a signal for instructing the imaging conditions to the camera 1; (f5) turning control means 25 for giving a signal to the swivel table 9 for indicating the angular displacement position with respect to the base 12; and (g) weatherproof casing. 5: (g1) a rigid casing main body 30 having gripping means 33 and casters 34; (g2) an operation panel 36 of the monitoring-side control device 2 provided in an opening 31 of the casing main body 30 in a watertight manner; A) a rigid lid 32 which is detachably attached to the casing main body 30 by the locking means 35 and closes the opening 31 of the casing main body 30 in a watertight manner; (G4) Image transmission control means 20, monitoring-side display means 21,
The camera control unit 22 and the turning control unit 25 are housed in a casing main body 30 that is closed in a watertight manner by an operation panel 36, and the monitoring-side transmission / reception unit 26 has waterproofness.
(H) the operation-side control means 3 includes: (h1) at least (h1) an operation-side transmission / reception means 46 for wirelessly transmitting and receiving signals to and from the monitoring-side control device 2; and (h2) a monitoring-side control device. (H3) An image signal transmitted from the monitoring-side transmitting / receiving unit 26 and received by the operating-side transmitting / receiving unit 46 is displayed on the operating-side display unit 43. (I) a rigid casing main body 5 having a gripping means 53;
(I2) an operation panel 56 of the operation-side control device 3 provided in the opening 51 of the casing main body 50 in a water-tight manner; and (i3) a detachable attachment to the casing main body 50 by a locking means 55. (I4) operation side display means 43 and image reception control means 4
2 is housed in a casing main body 50 which is closed in a watertight manner by an operation panel 56, and the operation side transmitting / receiving means 46 is waterproof, is mounted on the operation panel 56, and can be moved and operated. And fire monitoring equipment. 2. The surveillance-side control device 2 includes: an image processing unit 22 that converts an image signal from the surveillance camera 1 into a signal representing an image displayed on a uniform background by a predetermined heat source; Has a fire determination unit 24a that determines the presence or absence of a fire based on the converted image signal given from
The determination result is provided to the monitoring-side display means 23, and when it is determined that a fire has occurred, an alarm is issued, and an instruction to issue an alarm to the operation-side control device 3 and an instruction to transmit the determination result are sent to the monitoring-side transmission / reception. A monitoring system control means 24 provided to the means 26, and the image processing means 22 and the monitoring system control means 24
The fire monitoring equipment according to claim 1, wherein the housing is housed in a casing main body (30) which is closed watertight by an operation panel (36). 3. The image transmission control means 2 of the monitoring-side control device 2.
The fire monitoring equipment according to claim 1 or 2, wherein 0 designates an instruction to transmit an image signal representing an image captured every predetermined time to the operation-side control device 3. 4. The turning control means 25 angularly displaces the mounting portion 14 of the turntable 9 so that the monitoring camera 1 can periodically take a plurality of image pickup directions. 4. The fire monitoring system according to any one of items 1 to 3.