Disaster prevention system

Abstract

To make it possible to easily recognize a safety evacuation route.SOLUTION: An evacuation route is displayed in a display form according to a distance from a fire breaking place on a three-dimensional diagram of a building B, which is formed using a plan view of each of multiple floors of the building B. For instance, evacuation routes R1 and R2, which are at different distances from an installation site S0 of a terminal appliance 10 corresponding to the fire breaking place, are displayed in different colors. The display form here is a concept that includes at least one of a color, a shape, a size, or a blink pattern of a symbol for indicating the evacuation route.SELECTED DRAWING: Figure 7

Description

[Technical Field]

[0001] The present disclosure relates to a disaster prevention system. [Background technology]

[0002] Patent Document 1 describes displaying symbol marks of disaster prevention control devices on a bird's-eye view map of each floor of a building viewed from diagonally above. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Patent No. 5313481 Summary of the Invention [Problem to be solved by the invention]

[0004] A building may have multiple evacuation routes. However, the technology described in Patent Document 1 does not indicate which evacuation route is safe when a fire breaks out in the building. Furthermore, there is a demand for an easy-to-understand display of the evacuation routes for the entire building in order to provide accurate evacuation instructions.

[0005] The present invention aims to make it possible to easily recognize a safe evacuation route. [Means for solving the problem]

[0006] In order to solve the above problem, a disaster prevention system according to a first aspect of the present disclosure includes a display unit that displays evacuation routes in a display format according to the distance from the location of the fire on a three-dimensional diagram of the building created using floor plans of each of the building's multiple floors. [Effects of the Invention]

[0007] According to the present disclosure, safe evacuation routes in a building can be easily recognized. [Brief explanation of the drawings]

[0008] [Figure 1] It is a diagram showing a configuration example of the disaster prevention system 1 according to an embodiment of the present disclosure. [Figure 2] It is a diagram showing a configuration example of the fire receiver 11. [Figure 3] It is a diagram showing a configuration example of the integrated operation panel 12. [Figure 4] It is a diagram showing an example of display of a floor plan. [Figure 5] It is a diagram showing an example of display of a three-dimensional view. [Figure 6] It is a flowchart showing the flow of processing in a display method executed by the control unit 121 of the integrated operation panel 12 according to a control program. [Figure 7] It is a diagram showing an example of display of an evacuation route in a three-dimensional view. <00​​​​​​​​​​​​​​​​​​​​​​​​Terminal device 10 is, for example, a fire detector that detects the occurrence of a fire by smoke or heat, a transmitter including an alarm button that a person presses manually when a fire occurs, an audio device including a bell that sounds when a fire occurs, an emergency telephone for making calls in an emergency, an indicator light that is always lit and flashes when a fire occurs, a fire shutter or fire door that closes when a fire occurs to prevent the fire from spreading, a sprinkler system that sprays fire extinguishing water when a fire occurs, a fire damper that closes the opening of an air conditioning duct when a fire occurs, or a smoke vent that exhausts smoke outdoors when a fire occurs.

[0013] The fire receiver 11 is a device that sends and receives signals to each terminal device 10 using, for example, a polling / selecting method, receives fire signals from fire detectors or transmitters, and when it determines that a fire has occurred based on the analog signal from an analog detector, it transmits fire information including the ID of the fire detector or transmitter to the general operation panel 12.

[0014] The general operation panel 12 is a computer that displays the status of the disaster prevention system 1 and is used to operate the disaster prevention system 1.

[0015] 2 is a block diagram showing the configuration of fire receiver 11. Fire receiver 11 includes control unit 111, storage unit 112, communication unit 113, operation unit 114, display unit 115, and audio unit 116. Control unit 111, storage unit 112, communication unit 113, operation unit 114, display unit 115, and audio unit 116 are interconnected by a bus that mediates data exchange.

[0016] The control unit 111 is composed of a calculation device such as a CPU, and includes a receiving unit 1111 that receives various signals including a fire signal from the terminal device 10, a determination unit 1112 that determines whether a fire has occurred based on the fire signal or analog signal, and determines the location of the fire by identifying the installation location of the fire detector that transmitted the fire signal, and a transmitting unit 1113 that transmits fire information (including the location of the fire) to the general operation panel.

[0017] The storage unit 112 includes a volatile memory such as a RAM and a non-volatile memory such as a flash ROM. A control program (not shown in FIG. 2) that causes the control unit 111 to function as the control center of the fire receiver 11 is stored in advance in the non-volatile memory. The volatile memory of the storage unit 112 is used by the control unit 111 as a work area when executing the control program.

[0018] The communication unit 113 is a communication circuit, and communicates with the terminal device 10 and the general operation panel 12 under the control of the control unit 111 .

[0019] Operation unit 114 includes, for example, operators such as keys, a microphone, and switches. Display unit 115 is, for example, a display or an LED lamp. Operation unit 114 and display unit 115 may be integrated into one unit (for example, a touch panel). Sound unit 116 is, for example, a speaker or bell that outputs sound.

[0020] 3 is a block diagram showing the configuration of the general operation panel 12. The general operation panel 12 includes a control unit 121, a storage unit 122, a communication unit 123, an operation unit 124, and a display unit 125. The control unit 121, the storage unit 122, the communication unit 123, the operation unit 124, and the display unit 125 are interconnected by a bus that mediates data exchange.

[0021] The storage unit 122 includes, for example, a volatile memory such as RAM, and a non-volatile memory such as flash ROM. The non-volatile memory stores in advance a control program (not shown in FIG. 3) that causes the control unit 121 to function as the control center of the integrated operation panel 12, as well as floor plan data showing the structure of each floor of the building B on a plane, and the ID and installation location of each terminal device 10 on the floor plan. The volatile memory of the storage unit 122 is used by the control unit 121 as a work area when executing the control program.

[0022] The control unit 121 is composed of a calculation device such as a CPU, and includes a creation unit 1211 that creates three-dimensional diagram data showing a three-dimensional diagram obtained by superimposing a plurality of oblique floor plans corresponding to the floor plan data of each floor described above, a receiving unit 1212 that receives fire information from the fire receiver 11, a measurement unit 1213 that, upon receiving the fire information, measures the minimum distance from the location of the fire to the evacuation route, and a display control unit 1214 that displays an image corresponding to the three-dimensional diagram data on the display unit 125.

[0023] The communication unit 123 is a communication circuit, and communicates with the fire control panel 11 under the control of the control unit 121.

[0024] The operation unit 124 includes, for example, operators such as keys, a microphone, and switches. The display unit 125 is, for example, a display or an LED lamp. The operation unit 124 and the display unit 125 may be integrated into one unit (for example, a touch panel). These include speakers and bells.

[0025] 4 is a display example of a floor plan MA according to floor plan data, and in this example, the structure of one floor of building B is displayed. Furthermore, the floor plan also displays the installation location S of terminal device 10. In this display example, even if the installation location of terminal device 10 that detected a fire is displayed when the fire breaks out, there is a problem in that it is difficult to know on which floor of building B the fire broke out.

[0026] In contrast, FIG. 5 is an example of a three-dimensional view display according to three-dimensional view data obtained by perspective-overlaying three-dimensional views corresponding to the floor plan data of each floor. In this example, on a three-dimensional view composed of perspective views (perspective views) MB1, MB2, MB3, and MB4 of the floor plans of each floor from the first floor to the fourth floor, the installation locations S of the terminal devices 10 on each floor are displayed. In this display example, when the installation location of the terminal device 10 that detected the fire when the fire occurred is displayed, there is an advantage that it is easy to know on which floor of the building B the fire occurred. In addition, although a considerable amount of creation cost and machine specifications are required to create and display data for displaying the building as a precise three-dimensional object, in this embodiment, since a three-dimensional view obtained by perspective-overlaying floor plan views corresponding to the floor plan data of each floor is displayed, it is possible to reduce the creation cost and machine specifications.

[0027] Furthermore, although the evacuation route in the building B is usually determined in advance, in this embodiment, one of the features is that the evacuation route is displayed in a display format according to the distance from the fire occurrence location on a three-dimensional view of the building B created using the floor plan views of each of a plurality of floors of the building B. The display of such an evacuation route will be described in detail in the subsequent operation explanation. Here, the display format is a concept including at least any one of the color, shape, size, or blinking pattern of the symbol indicating the evacuation route.

[0028] <A-2. Operation> Next, the operation of this embodiment will be described with reference to FIG. 6. In FIG. 6, the creation unit 1211 of the integrated operation panel 12 creates three-dimensional view data obtained by perspective-overlaying floor plan views corresponding to the floor plan data of each floor according to a user operation or the like (step s11), and the display control unit 1214 causes the display unit 125 to display a three-dimensional view according to this three-dimensional view data (step s12).

[0029] When the fire receiver 11 receives a signal from a terminal device 10 indicating the ID and status of that device, it transmits information including the ID and status of that terminal device 10 to the general operation panel 12, and the receiving unit 1212 of the general operation panel 12 receives this (step s13; YES). For example, when the fire receiver 11 receives a fire signal from a fire detector or transmitter, it transmits fire information including the ID of the fire detector or transmitter and the content of the fire signal to the general operation panel 12, and the receiving unit 1212 of the general operation panel 12 receives this. Similarly, when the fire receiver 11 receives a status signal from a terminal device 10 other than a fire detector or transmitter, indicating the ID and status of that device, it transmits a status signal including the ID of that terminal device and the content of the status signal to the general operation panel 12, and the receiving unit 1212 of the general operation panel 12 receives this.

[0030] Next, the display control unit 1214 changes the display color of the symbol at the installation location S corresponding to the ID on the three-dimensional diagram displayed on the display unit 125 in accordance with the state of the terminal device 10 (step s14). For example, when the receiving unit 1212 of the integrated operation panel 12 receives a fire signal in response to a fire signal from a fire detector, the color of the symbol of the fire detector at the installation location S corresponding to the ID of the fire detector is displayed in red instead of the usual green. This makes it easier to know where the fire has occurred, that is, the location of the fire.

[0031] Next, the measurement unit 1213 measures the distance from the location of the fire (i.e., the installation location S of the terminal device 10 that sent the fire signal) to a predetermined evacuation route (here, the minimum distance between the location of the fire and the stairs that are the evacuation route) (step s15).

[0032] In a relatively large building, multiple evacuation routes are usually determined in advance. For example, as illustrated in Fig. 7, when two evacuation routes R1 and R2 are determined along two staircases, the measurement unit 1213 measures the minimum distance from the installation location S of the terminal device 10 that transmitted the fire signal to each of the evacuation routes R1 and R2.

[0033] The display control unit 1214 then causes the display unit 125 to display the symbols of each evacuation route on the above-described three-dimensional diagram in different colors depending on the distance from the location of the fire (step s16). For example, if the distance from the location of the fire is equal to or greater than a first threshold, the evacuation route symbol may be displayed in green; if the distance is less than the first threshold and equal to or greater than a second threshold, the evacuation route symbol may be displayed in yellow; and if the distance is less than the second threshold (note that the first threshold is greater than the second threshold). Another example is to display the evacuation route symbol in green if the distance from the location of the fire is relatively large, or in red if the distance is relatively small. For example, in the example of FIG. 7, evacuation routes R1 and R2, which are at different distances from the installation location S0 of the terminal device 10 corresponding to the location of the fire, are displayed in different colors on the display unit 125.

[0034] In this case, the display control unit 1214 may preferentially display on the display unit 125 the evacuation route that is the farthest from the installation location S0 of the terminal device 10 that corresponds to the location of the fire. The term "displaying with priority" as used herein means displaying only the evacuation route that is the farthest from the installation location S0 of the terminal device 10 that corresponds to the location of the fire, or displaying the evacuation route that is the farthest from the installation location S0 of the terminal device 10 that corresponds to the location of the fire in a color that stands out more than the other evacuation routes, so that it is possible to visually identify which evacuation route is the farthest from the installation location S0 of the terminal device 10 that corresponds to the location of the fire. As described above, the display format of the evacuation route is a concept that includes at least one of the color, shape, size, or blinking pattern of the symbol indicating the evacuation route. Therefore, instead of or in addition to the color of the symbol, the shape, size, or blinking pattern of the symbol may be changed.

[0035] When a fire breaks out, staff at the disaster prevention center will issue evacuation instructions via emergency broadcast. At this time, by looking at the display format of the evacuation route symbols, it is possible to easily determine which is the safest evacuation route, which has the advantage of making it easier to issue evacuation instructions to evacuate via a safe route.

[0036] By repeating the above process (step s17; NO → step s13), for example, when multiple fire detectors issue an alarm (that is, transmit a fire signal) due to the spread of a fire and the fire receiver receives new fire information, the integrated operation panel 12 can change the colors of the terminal devices 10 and the symbols of the evacuation routes in real time.

[0037] <B. Modified Example> The above embodiment may be modified as follows. Also, the following modified examples may be implemented in combination.

[0038] The safety level of the evacuation route may be determined according to the direction of fire spread or the speed and distance of fire spread, and the symbol indicating the evacuation route may be displayed in a display format corresponding to that safety level. In this case, as shown in FIG. 8, the integrated operation panel 12 includes a determination unit 1515 that determines the safety level of the evacuation route according to the direction of fire spread or the speed and distance of fire spread. The direction of fire spread can be estimated based on the order of the IDs when multiple fire detectors or transmitters issue alarms in sequence (that is, when a fire signal is received from each fire detector), and the speed of fire spread can be estimated based on the time interval when multiple fire detectors issue alarms in sequence (that is, when a fire signal is received from each fire detector). For example, even if the evacuation route is far from the fire occurrence location, if it is in the direction of fire spread, the safety level will be low. Also, if the evacuation route is in the extension direction of the fire and the fire spread speed is high, the safety level will be even lower. On the contrary, even if the evacuation route is close to the fire occurrence location and there is a fire door and it is not on the extension direction side, the safety level will be relatively high. As a display format corresponding to the safety level, for example, when the safety level of the evacuation route is relatively high, the symbol of the evacuation route is displayed in blue, when it is moderately high, the symbol of the evacuation route is displayed in yellow, and when it is relatively low, the symbol of the evacuation route is displayed in red. That is, the disaster prevention system 1 further includes a determination unit that determines the safety level of the evacuation route according to the direction of fire spread or the speed and distance of fire spread, and the display unit displays the evacuation route in a display format corresponding to that safety level. Thereby, the accuracy of the safety level of the evacuation route can be improved.

[0039] In the above-described variation, the symbols representing evacuation routes may be displayed so that changes in their safety levels over time are visible. For example, assuming that the safety level of an evacuation route is blue when it is relatively high, yellow when it is relatively medium, and red when it is relatively low, the symbols representing evacuation routes may be displayed in orange (a color between red and yellow) when the safety level changes from medium to low, and green (a color between yellow and blue) when it changes from medium to high. In this case, the disaster prevention system 1 further includes a receiver that receives a fire signal from a fire detector or transmitter that detects a fire when a fire breaks out, and a determiner that determines the safety level of the evacuation route each time a fire signal is received based on the distance from the fire location identified by the received fire signal. The display unit displays the evacuation route in a format corresponding to the safety level, and if the safety level changes due to changes in the fire situation, the display format of the evacuation route safety level changes depending on whether the safety level has increased or decreased. This allows users to recognize changes in the safety level of the evacuation route as the fire situation changes.

[0040] In the above embodiment, the fire receiver 11 includes the receiving unit 1111, and the general operation panel 12 includes the measuring unit 1213 and the display unit 125. Instead of the general operation panel 12, the fire receiver 11 may include the display unit 125. In this case, the fire receiver 11 will have some of the functions of the general operation panel 12.

[0041] The present invention is not limited to the display of a three-dimensional view, but can also be applied to the display of a plan view. [Explanation of symbols]

[0042] 1...disaster prevention system, 10...terminal equipment, 11...fire receiver, 12...general control panel, 111...control unit, 112...memory unit, 113...communication unit, 114...operation unit, 115...display unit, 116...sound unit, 121...control unit, 122...memory unit, 123...communication unit, 124...operation unit, 125...display unit, R1, R2...evacuation route symbols, S, S0...location of terminal equipment.

Claims

1. A display unit that displays evacuation routes in a display format according to the distance from the location of the fire on a three-dimensional diagram of the building created using floor plans of each of the multiple floors of the building. A disaster prevention system equipped with:

2. The display unit displays the evacuation route in different colors depending on the distance from the location of the fire. The disaster prevention system according to claim 1 .

3. The display unit displays the evacuation route with the greatest distance by priority. The disaster prevention system according to claim 1 .

4. A determination unit is further provided that determines the safety level of the evacuation route according to the direction of fire spread or the speed of fire spread and the distance, The display unit displays the evacuation route in a display format according to the safety level. The disaster prevention system according to claim 1 .

5. a receiving unit that receives a fire signal from a fire detector that detects a fire when the fire occurs; a determination unit that determines a safety level of the evacuation route according to a distance from a fire location identified according to the received fire signal each time the fire signal is received, The display unit displays the evacuation route in a display format according to the safety level, and when the safety level changes due to a change in the fire situation, the display format of the safety level of the evacuation route is changed depending on whether the safety level has increased or decreased. The disaster prevention system according to claim 1 .

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