KR20220115112A - Automatic Fire Extinguishing System For Automobile Engine Room - Google Patents

Abstract

The present invention relates to an automatic fire extinguishing system of an automobile engine room. The automatic fire extinguishing system of the automobile engine room according to an embodiment of the present disclosure comprises: a fire sensing unit (100); a control unit (200); a fire extinguishing unit (300); and a monitoring unit (400). An objective of the present invention is to provide the automatic fire extinguishing system of the automobile engine room in which extinguishing powder can be concentratedly sprayed to a location where a fire has occurred.

Description

{Automatic Fire Extinguishing System For Automobile Engine Room}

The content disclosed in this specification relates to an automatic fire extinguishing system of an automobile engine room, and more particularly, an automatic fire extinguishing system that automatically operates a fire extinguishing device when a fire is detected by detecting a fire in the automobile engine room through a temperature sensor or the like. It is about the digestive system.

Recently, the government is devising policy measures such as preparing various countermeasures due to a series of fire accidents in domestic cars, including some imported cars.

According to the Disaster and Safety Headquarters, mechanical factors (35.6%) were the most common causes of vehicle fires, followed by electrical factors (27.5%). The cause of fire in a vehicle is caused by various factors. If the engine room is overheated or oil leaks, a fire in the vehicle due to the installation of electric and electronic devices or the load in the trunk can cause an ignition point.

In particular, it is easy to overheat the engine when the vehicle is continuously parked outdoors or in high-speed driving in the dry and high-temperature summer season. In addition, when the rubber of the wiring in the engine room is peeled off, sparks in contact with wires, or when the engine oil or coolant is insufficient, the engine overheats and causes a fire.

On the other hand, according to the engine room automatic fire extinguishing device of the automobile of Korean Patent Application Laid-Open No. 1999-026978 (April 15, 1999), a temperature sensing device for detecting a temperature change in the engine room, and the temperature sensed by the temperature sensing device are set An electronic control device that outputs a constant control signal when the temperature is higher than the temperature, and a solenoid valve driving device forcibly operated by the signal output from the electronic control device By providing an automatic fire extinguishing system for the engine room of the included vehicle, when a fire occurs in the engine room of the vehicle, even if the driver is not aware of it, the fire is automatically detected and forcibly extinguished quickly, thereby causing damage to the vehicle and human life. It is an invention designed to minimize

However, in the case of a fire inside the engine, the above patent technology lacks a device that allows the driver to recognize the inside of the vehicle. . In addition, there is a problem in that fire extinguishing efficiency is lowered as a simple on/off type of fire extinguishing liquid is sprayed.

US 1019990026978 A US 1020020090776 A US 1020200102082 A US 101683278 B1

The automatic fire extinguishing system of an automobile engine room according to an embodiment of the present disclosure is created to improve the conventional problems as described above,

A fire in the engine room of the vehicle is detected through a temperature sensing module, etc., the location of the fire in the engine room is specified based on the data of the engine room recording module, and the fire extinguishing powder is moved by moving the injection module to the specified location. An object of the present invention is to provide an automatic fire extinguishing system for an engine room of an automobile that can be intensively sprayed at a generated location.

An automatic fire extinguishing system of an automobile engine room according to an embodiment of the present disclosure for solving the above problems,

a fire detection unit 100 installed at a predetermined position to sense a signal for detecting the occurrence of a fire in an automobile engine room; a control unit 200 for determining whether a fire has occurred in an engine room of a vehicle based on the data of the fire detection unit 100; a fire extinguishing unit 300 in charge of extinguishing a fire in an automobile engine room by receiving a command from the control unit 200; and a monitoring unit 400 that is connected to the fire detection unit 100, the control unit 200, and the fire extinguisher 300 to exchange data and monitor the state of the vehicle engine room; including,

The fire extinguishing unit 300 includes at least one fire extinguishing device 310 mounted on the trunk of a vehicle, and at least one injection module 320 for injecting the fire extinguishing powder built in the fire extinguishing device 310 into the engine room of the vehicle. and a pipe module 330 connecting the fire extinguishing device 310 and the spray module 320 and a flow rate control module 340 for controlling the flow rate of the sprayed fire extinguishing powder,

The injection module 320 has a main body part 321 having an orifice tube formed of at least one cylindrical pipe therein, and is coupled to the main body parts 321 and adjusts the diameter of the orifice tube. It includes parts 322 and nozzle parts 324 that are replaceably coupled to the body parts 321 and have a plurality of injection holes to eject the extinguishing powder to the outside through the injection holes,

The adjustment parts 322 are coupled to the main body parts 321 and include an inner ring plate 322aa having a predetermined space in the center thereof, and an outer ring plate 322ab that is coupled to the outer circumferential surface of the inner ring plate 322aa and rotates. is positioned between the plate unit 322a and the plate unit 322a and the main body parts 321, is coupled to the inner ring plate 322aa and the outer ring plate 322ab, and is rotated when the outer ring plate 322ab is rotated. A control unit (322b) for adjusting the diameter size of the orifice tube by rotating together, and a cover unit (322c) coupled to the upper surface of the inner ring plate (322aa),

The monitoring unit 400 may be configured to collect data on the current location of the vehicle when a fire occurs in the engine room of the vehicle, and automatically provide a notification about the occurrence of a fire and the current location of the vehicle to a nearby fire station. have.

In addition, the fire detection unit 100 includes a temperature detection module 110 capable of recognizing and identifying the temperature of the vehicle engine room with a sensor; a smoke detection module 120 capable of recognizing and identifying smoke generated when a fire occurs in an automobile engine room with a sensor; A flame detection module 130 capable of recognizing and identifying light emitted by thermal radiation when a fire occurs in an automobile engine room as a sensor; And an engine room photographing module 140 for photographing the state of the vehicle engine room; It may be configured as comprising a.

In addition, the control unit 200 is provided in advance with threshold data for temperature data, smoke data, and flame data when the engine room of the vehicle is in a normal state, and the temperature sensing module 110 and the smoke sensing module 120 . , by comparing the data of the flame detection module 130 with the threshold data, firstly detects an abnormal state of the engine room of the vehicle, and secondarily, based on the data of the engine room photographing module 140, the vehicle engine room It may be configured to determine whether a fire has occurred.

In addition, the fire extinguishing unit 300 includes at least one fire extinguishing device 310 mounted on the trunk of a vehicle, and at least one injection module ( 320) and a flow rate control module 330 for controlling the flow rate of the sprayed extinguishing powder,

The injection module 320 may be installed on a lower surface of a vehicle bonnet and may be configured to be movable up, down, left and right along the lower surface of the bonnet.

In addition, when the fire extinguishing unit 300 is operated, the control unit 200 detects the location of a fire in the engine room of the vehicle based on the data of the fire detection unit 100, and returns the injection module ( 320) may be selectively moved to control the fire extinguishing powder to be sprayed.

In addition, the control unit 200 divides into a caution stage, a warning stage, and a danger stage according to the state of the vehicle engine room, and the number of injection modules 320 operated according to each stage and the flow rate of the fire extinguishing powder to be injected are adjusted It may be configured to control so that it is possible.

Accordingly, the automatic fire extinguishing system of an automobile engine room according to an embodiment of the present disclosure,

When a fire occurs in the engine room of a car, even if the driver is not aware of it, the fire can be automatically detected and forcibly extinguished quickly.

In addition, there is an advantage that the fire extinguishing efficiency can be increased by specifying the location of the fire in the engine room and moving the injection nozzle to extinguish the fire.

In addition, there is an advantage that the injection efficiency can be increased by adjusting the injection pressure of the extinguishing powder injected to the outside based on the flow rate of the extinguishing powder.

In addition, there is an advantage that the state of the engine room of the vehicle can be easily monitored through the monitoring unit.

In addition, in the event of a fire in the engine room, there is an advantage in that damage to the vehicle and human life can be minimized by automatically providing a notification of the fact of the fire and the current location of the vehicle to a nearby fire station.

1 is a conceptual diagram schematically showing an automatic fire extinguishing system of an automobile engine room according to an embodiment of the present disclosure;
2 is a view for specifically explaining an automatic fire extinguishing system according to an embodiment of the present disclosure;
3 to 5 are views for specifically explaining the injection module according to an embodiment of the present disclosure;
6 is a flowchart for explaining a method of operating an automatic fire extinguishing system of an automobile engine room according to an embodiment of the present disclosure;
7 is a flowchart for explaining a method of operating an automatic fire extinguishing system in an engine room of a vehicle according to another embodiment of the present disclosure.

Hereinafter, the technical spirit of the present invention will be described with reference to the drawings, which is for easier understanding, and the scope of the present invention is not limited thereto, and the present invention is only defined by the scope of the claims.

In describing the embodiment of the present invention, if it is determined that a detailed description of a known function or configuration may unnecessarily obscure the gist of the present invention, the detailed description will be omitted, and the same reference numerals refer to the same components throughout the specification. refers to the element.

1 is a conceptual diagram schematically showing an automatic fire extinguishing system of an engine room of a vehicle according to an embodiment of the present disclosure, FIG. 2 is a view for specifically explaining an automatic fire extinguishing system according to an embodiment of the present disclosure, and FIGS. 3 to 5 are A view for explaining in detail the injection module according to an embodiment of the present disclosure, FIG. 6 is a flowchart for explaining a method of operating an automatic fire extinguishing system of an automobile engine room according to an embodiment of the present disclosure, and FIG. 7 is another view of the present disclosure It is a flowchart for explaining a method of operating an automatic fire extinguishing system of a vehicle engine room according to another embodiment.

<Automatic fire extinguishing system of an automobile engine room according to an embodiment of the present disclosure>

1 to 2 , the automatic fire extinguishing system of an automobile engine room according to an embodiment of the present disclosure includes a fire detection unit 100 , a control unit 200 , a fire extinguishing unit 300 , and a monitoring unit 400 . can be configured.

The fire detection unit 100 is installed at a predetermined position to sense a signal for detecting the occurrence of a fire in an automobile engine room, and as shown in FIG. 1 , a temperature detection module 110 and a smoke detection module 120 ), a flame detection module 130 , an engine room photographing module 140 , and a communication module 150 capable of exchanging data.

The temperature sensing module 110 may be configured to recognize and identify the temperature of the vehicle engine room with a sensor.

It is preferable to use a contact-type magnetic temperature sensor as the temperature sensing module 110 , but the present invention is not limited thereto. Of course, a non-contact type sensor may be used if necessary.

The contact temperature sensing method is a method in which the temperature sensing point of the sensor that measures the temperature is in direct contact with the target object. This method measures the temperature from the thermal energy radiated from the object, and has the advantage of being able to measure at a high temperature without directly contacting the measurement object.

Meanwhile, the data sensed by the temperature sensing module 110 may be configured to be transmitted to the controller 200 to be described later through the communication module 150 . The data of the temperature sensing module 110 may be used in the controller 200 to determine whether a fire has occurred in the engine room of the vehicle and to detect the location of the fire.

In addition, the data sensed by the temperature sensing module 110 may be configured to be transmitted to the monitoring unit 400 to be described later through the communication module 150 . The data of the temperature sensing module 110 may be used by the monitoring unit 400 to monitor the state of the vehicle engine room.

The smoke detection module 120 may be configured to recognize and identify smoke generated when a fire occurs in an engine room of an automobile by a sensor.

As the smoke detection module 120 , an ionization type smoke detection method may be used, a photoelectric smoke detection method may be used, or a combined smoke detection method may be used.

The ionization type smoke detection method uses the change in ion current when smoke enters the detection part, and the photoelectric smoke detection method uses the change in the amount of incident light from the photoelectric element when smoke enters the detection part, and the combined smoke detection The method has both ionization and photoelectric performance, and it is a method of transmitting a fire signal or transmitting two fire signals when the detection functions of the two functions are operated together.

Meanwhile, the data sensed by the smoke detection module 120 may be configured to be transmitted to the controller 200 to be described later through the communication module 150 . The data of the smoke detection module 120 may be used by the controller 200 to determine whether a fire has occurred in the engine room of the vehicle and to detect the location of the fire.

In addition, the data sensed by the smoke detection module 120 may be configured to be transmitted to the monitoring unit 400 to be described later through the communication module 150 . The data of the smoke detection module 120 may be used by the monitoring unit 400 to monitor the state of the engine room of the vehicle.

The flame detection module 130 may be configured to recognize and identify light emitted by thermal radiation when a fire occurs in an engine room of an automobile as a sensor.

As the flame detection module 130 , an ultraviolet flame detection method may be used, an infrared flame detection method may be used, or a composite flame detection method may be used.

In the ultraviolet flame detection method, the detector absorbs the ultraviolet wavelength generated during combustion of inflammables and transmits it as a fire signal. Usually, UV Tron is used as a detection element. In the infrared flame detection method, the molecules of carbon dioxide during combustion are It uses the characteristic that resonance radiation exists in the area, and the composite flame detection method has both an ultraviolet flame detection method and an infrared flame detection method. Each fire signal is transmitted.

Meanwhile, the data sensed by the flame detection module 130 may be configured to be transmitted to the controller 200 to be described later through the communication module 150 . The data of the flame detection module 120 may be used by the controller 200 to determine whether a fire has occurred in the engine room of the vehicle and to detect the location of the fire.

In addition, the data sensed by the flame detection module 130 may be configured to be transmitted to the monitoring unit 400 to be described later through the communication module 150 . The data of the flame detection module 130 may be used by the monitoring unit 400 to monitor the state of the engine room of the vehicle.

The engine room photographing module 140 may be configured to photograph the state of the vehicle engine room.

It is preferable to use a thermal imaging camera as the engine room photographing module 140, but is not necessarily limited thereto.

A thermal imaging camera records the intensity of the infrared region of the electromagnetic spectrum and converts it into a visual image. Such a thermal imaging camera may be configured to display a frame image of a photographed image with different brightness by sensing the temperature of the photographed area. Accordingly, the image of the high-temperature portion appears bright with a high pixel value, and the image of the low-temperature portion appears dark with a low pixel value.

Meanwhile, the data photographed by the engine room photographing module 140 may be configured to be transmitted to the control unit 200 to be described later through the communication module 150 . The data of the engine room photographing module 140 may be used by the controller 200 to determine whether a fire has occurred in the engine room of the vehicle and to detect the location of the fire.

In addition, the data sensed by the engine room photographing module 140 may be configured to be transmitted to the monitoring unit 400 to be described later through the communication module 150 . The data of the engine room photographing module 140 may be used to monitor the state of the vehicle engine room in the monitoring unit 400 .

The control unit 200 is for determining whether a fire has occurred in the engine room of the vehicle based on the data of the fire detection unit 100 described above, and to control the operation of the fire extinguishing unit 300 to be described later. Likewise, it may be configured to include a database module 210 , a fire occurrence determination module 220 , a fire location detection module 230 , a fire extinguishing control module 240 , and a communication module 250 capable of exchanging data.

The database module 210 may be configured to store the data transmitted to the control unit 200 into a database, and to store prior data necessary for determining the occurrence of a fire and detecting the location of the fire.

Meanwhile, the data of the database module 210 may be configured to be transmitted to the monitoring unit 400 to be described later through the communication module 250 . The data of the database module 210 may be used to monitor the state of the vehicle engine room in the monitoring unit 400 .

The fire occurrence determination module 220 may be configured to determine whether a fire has occurred in the engine room of the vehicle based on the data of the fire detection unit 100 described above.

Specifically, the fire occurrence determination module 220 is provided in advance with threshold data for temperature data, smoke data, and flame data when the engine room of the vehicle is in a normal state, and the above-described temperature sensing module 110, Comparing the data of the smoke detection module 120 and the flame detection module 130 described above with the threshold data, firstly detects an abnormal state of the vehicle engine room, and secondarily, the above-mentioned engine room shooting module 140 It may be configured to determine whether a fire has occurred in the engine room of the vehicle based on the data of By making these two processes go through, it will be possible to further increase the reliability of determining whether a fire has occurred.

In addition, the fire occurrence determination module 220 may be configured to classify and determine a caution step, a warning step, and a danger step according to the state of the vehicle engine room. Accordingly, the control unit 200 may control the operation of the fire extinguishing unit 300 to be described later according to the state of the engine room of the vehicle.

Meanwhile, the data of the fire occurrence determination module 220 may be configured to be transmitted to the monitoring unit 400 to be described later through the communication module 250 . The data of the fire occurrence determination module 220 may be used to monitor the state of the vehicle engine room in the monitoring unit 400 .

The fire location detection module 230 includes the aforementioned temperature detection module 110, the aforementioned smoke detection module 120, the aforementioned flame detection module 130, and the aforementioned engine room shooting module ( 140) may be configured to detect the location of the fire in the engine room of the vehicle based on the data.

Meanwhile, the data of the fire location detection module 230 may be configured to be transmitted to the monitoring unit 400 to be described later through the communication module 250 . The data of the fire location detection module 230 may be used to monitor the state of the vehicle engine room in the monitoring unit 400 .

The fire extinguishing control module 240 may be configured to drive and control the fire extinguishing unit 300 to be described later when a fire occurs in an engine room of an automobile.

Specifically, when the fire occurrence determination module 220 determines that a fire has occurred in the engine room of the vehicle, the fire extinguishing control module 240 drives the fire extinguishing unit 300 to be described later to detect the fire location detection module 230 . It may be configured to intensively extinguish fire-fighting activities at one fire location. In this way, it is possible to increase the fire suppression efficiency of the initial fire by detecting the location of the fire and intensively extinguishing the fire.

In addition, the fire extinguishing control module 240 may be configured to control the operation of the fire extinguishing unit 300 to be described later according to the state of the engine room of the vehicle in conjunction with the fire occurrence determination module 220 described above. Specifically, it may be configured so that the number of the injection modules 320 operated and the flow rate of the injected fire extinguishing powder are adjusted according to the state of the vehicle engine room.

The data of the fire extinguishing control module 220 may be configured to be transmitted to the monitoring unit 400 to be described later through the communication module 250 . The data of the fire extinguishing control module 220 may be used by the monitoring unit 400 to monitor the state of the vehicle engine room.

On the other hand, the control unit 200 according to the present disclosure is a thermal image analysis module (not shown) in order to further increase the reliability of determining the occurrence of a fire in an automobile engine room when the above-described engine room photographing module 140 includes a thermal image camera. It may be configured to further include.

The thermal image analysis module includes a pixel value calculation unit (not shown) that calculates the average value of the pixels, the standard deviation value of the pixels, and the maximum value of the pixels in the frame of the thermal image of the engine room photographing module 140, respectively, and the A threshold point calculation unit (not shown) that calculates a threshold point using the average value of pixels, the standard deviation value of pixels, and the maximum value of the pixels calculated by the pixel value calculation unit, and the maximum value of a pixel greater than the threshold point calculated by the threshold point calculation unit It may be configured to include a selection unit (not shown) that selects pixels corresponding to the pixels, and a fire determination unit (not shown) that determines whether or not a fire occurs in the portion selected by the selection unit.

The data of the thermal image analysis module may be configured to be transmitted to the monitoring unit 400 to be described later through the communication module 250 . The data of the thermal image analysis module may be used by the monitoring unit 400 to monitor the state of the vehicle engine room.

Thereby, it is possible to have the advantage of being able to quickly determine whether a fire has occurred by selecting and intensively monitoring areas showing signs of fire through thermal image analysis on the thermal image data of the engine room imaging module 140 . .

In addition, the control unit 200 according to the present disclosure is an image analysis module (not shown) in order to further increase the reliability of determining the occurrence of a fire in an automobile engine room when the above-described engine room photographing module 140 includes a general image photographing camera. It may be configured to further include.

The image analysis module includes a first conversion unit (not shown) for generating a plurality of primary converted images existing in a specific frequency band with respect to the image data of the engine room photographing module 140 described above, and in the first conversion unit A second transformation unit (not shown) for generating a secondary transformed image that effectively provides key information regardless of changes in noise or illumination existing in the image for each of the plurality of transformed primary transformed images, and the second A selection unit (not shown) that reduces redundancy through basic element analysis (PCA) for each of the images converted in the transformation unit and then selects an image that effectively expresses the characteristics of the input image, and the image selected by the selection unit It may be configured to include a fire determination unit (not shown) that determines whether a fire has occurred based on the fire.

The data of the image analysis module may be configured to be transmitted to the monitoring unit 400 to be described later through the communication module 250 . The data of the image analysis module may be used to monitor the state of the vehicle engine room in the monitoring unit 400 .

Thereby, it is possible to have the advantage of being able to quickly determine whether a fire has occurred by selecting and intensively monitoring areas showing signs of fire through image analysis of the general image data of the engine room photographing module 140 .

In addition, the control unit 200 according to the present disclosure may be configured to further include a machine learning module (not shown) in order to further increase the reliability of determining the occurrence of a fire in an automobile engine room.

The machine learning module is pre-learned about the characteristics in the case of an abnormal state of the vehicle engine room, and after extracting the characteristics based on the data of the fire detection unit 100 described above, using the extracted characteristics as input data It may be configured to detect an abnormal state of the vehicle engine room.

Similarly, the data of the machine learning module may be configured to be transmitted to the monitoring unit 400 to be described later through the communication module 250 . The data of this machine learning module may be used to monitor the state of the vehicle engine room in the monitoring unit 400 .

The fire extinguishing unit 300 is in charge of extinguishing a fire in the engine room of an automobile by receiving the command of the above-described control unit 200, and as shown in FIG. 1, a fire extinguishing device 310, an injection module 320, It may be configured to include a piping module 330 , a flow control module 340 , and a communication module 350 capable of sending and receiving data.

The fire extinguishing device 310 may correspond to any one of a powder fire extinguisher using ammonium phosphate powder, a carbon dioxide fire extinguisher using liquefied carbon dioxide, and a halogen compound fire extinguisher using a halogen compound as an extinguishing agent.

The fire extinguishing device 310 may be mounted on the trunk of a vehicle, may be detachably mounted, and may be configured to be operated by receiving a command from the above-described control unit 200 . As the fire extinguishing device 310 is configured to be detachable, the fire extinguishing device 310 can have the advantage that it can be used in the automatic fire extinguishing system according to the present disclosure and can be used as a separate portable fire extinguishing device.

The injection module 320 is for injecting the fire extinguishing powder or chemical contained in the fire extinguishing device 310 into the engine room of the vehicle, and as shown in FIG. 2 , the injection module 320 is the vehicle bonnet. ) may be configured to be installed on the lower surface of at least one or more.

3 to 5 , specifically, the injection module 320 may include a body part 321 , a control part 322 , and a nozzle part 324 .

The body parts 321 may be provided with an orifice tube formed of at least one or more cylindrical pipes therein.

Such an orifice pipe may be formed as a single cylindrical pipe, but of course, it may be configured by combining pipes having different diameters and sizes.

The control parts 322 may be configured to be coupled to the body parts 321 by adjusting the diameter size of the orifice tube.

Hereinafter, the control parts 322 will be described as being coupled to the ends of the body parts 321, but the present invention is not limited thereto. to be.

As shown in FIG. 4 , the control parts 322 may include a plate unit 322a, an adjustment unit 322b and a cover unit 322c.

The plate unit 322a is provided with an inner ring plate 322aa coupled to the body parts 321 and having a predetermined space in the center thereof, and an outer ring plate 322ab coupled to the outer circumferential surface of the inner ring plate 322aa and rotated. can be

Meanwhile, the inner ring plate 322aa may be formed to protrude downward by a predetermined length, and a guide rail may be formed on the outer circumferential surface of the inner ring plate 322aa to rotate when the outer ring plate 322ab is coupled. have.

In addition, the inner ring plate (322aa) and the outer ring plate (322ab) may be provided with at least one coupling hole, it may be configured to be coupled to the adjustment unit 322b to be described later through the coupling hole.

The control unit 322b is positioned between the plate unit 322a and the body parts 321, is coupled to the inner ring plate 322aa and the outer ring plate 322ab, and the outer ring plate 322ab rotates. It may be configured to adjust the diameter size of the orifice tube by rotating it together.

More specifically, the control unit 322b is coupled to the outer ring plate 322ab and rotates clockwise or counterclockwise between the rotating ring plate 322ba and the outer ring plate 322ab and the rotating ring plate 322ba. It may be configured to include a plurality of blades (322bb) coupled to.

The blades 322bb are coupled to the upper surface of the rotating ring plate 322ba at equal intervals along the circumferential direction, and these blades 322bb may be configured to be coupled to the above-described inner ring plate 322aa.

An actuating piece protruding toward the outside may be provided on one side of the outer peripheral surface of the rotating ring plate 322ba, and the blade 322bb is formed to have a smaller cross-sectional area toward the end, and both ends extending from the end are thin plates formed in a curved arc shape. It is preferably provided with a sieve, but is not necessarily limited thereto.

When the rotating ring plate 322ba is rotated, the blade 322bb is rotated by turning around the coupling of the inner ring plate 322aa as a central axis, and through this, the diameter size of the orifice tube can be adjusted.

On the other hand, the injection module 320 may be configured to further include driving parts 323 connected to the control parts 322 to rotate the control unit 322b.

The driving parts 323 may be configured to rotate in a clockwise or counterclockwise direction by being coupled to an operation piece of the above-described rotating ring plate 322ba.

These driving parts 323 are preferably composed of an actuator such as a motor, but is not necessarily limited thereto, and may be configured in various ways as needed.

In addition, the driving parts 323 may be configured to automatically change the size of the diameter of the orifice pipe based on the flow rate of the extinguishing powder in conjunction with the flow rate control module 340 to be described later.

For example, when the flow rate of the extinguishing powder falls below a certain level, the driving parts 323 may be operated such that the diameter of the orifice tube is reduced to increase the injection pressure to be relatively externally injected. Accordingly, even when the flow rate of the extinguishing powder falls below a certain level, it is possible to increase the injection pressure to the outside to increase the injection efficiency.

In addition, the driving parts 323 may be configured to be able to move up, down, left and right along the lower surface of the vehicle bonnet in response to the command of the above-described control unit 200 , thereby being fixed in case of a fire in the engine room of the vehicle. Instead of spraying the fire extinguishing powder at the designated location, the fire suppression efficiency can be increased by detecting the location of the fire and concentrating the injection module 320 to the location of the fire.

The nozzle parts 324 may be replaceably coupled to the body parts 321 , and a plurality of injection holes may be formed so that the fire extinguishing agent is ejected to the outside through the injection holes.

Specifically, as shown in Figure 5, the nozzle parts 324 has a hemispherical shape with a space formed therein, a plurality of injection holes are formed on the surface, and a predetermined position on the inner surface for coupling with the body parts 321 A thread may be formed.

On the other hand, a thread corresponding to the thread of the nozzle part 324 may be formed at a predetermined position of the body part 321, whereby the nozzle part 324 and the body part 321 are screwed together. It is preferably configured, but is not necessarily limited thereto, and may be coupled through bolt coupling, etc., of course.

The injection module 320 may be configured to be controlled by the above-described control unit 200 .

The pipe module 330 is a pipe connecting the fire extinguishing device 310 and the injection module 320 and is preferably configured as a flexible type, but is not necessarily limited thereto.

The flow rate control module 340 may be configured to adjust the flow rate of the fire extinguishing powder sprayed from the injection module 320 in response to the command of the above-described control unit 200 . It is preferable to use an electric valve as the flow control module 340, but it is not necessarily limited thereto, and a solenoid valve can be used, of course.

The monitoring unit 400 is connected to the above-described fire detection unit 100, the above-described control unit 200, and the above-described fire extinguishing unit 300 to exchange data and to monitor the state of the engine room of the vehicle. have.

The monitoring unit 400 may be configured to collect data on the current location of the vehicle when a fire occurs in the engine room of the vehicle, and to automatically provide a notification about the occurrence of a fire and the current location of the vehicle to a nearby fire station.

Accordingly, when a fire occurs in the vehicle engine room, even if the user does not recognize it, it automatically provides a notification of the fire occurrence and the current location of the vehicle to a nearby fire station to suppress the fire early and It may help to minimize human casualties.

<Operating method of an automatic fire extinguishing system of an automobile engine room according to an embodiment of the present disclosure>

Referring to FIG. 6 , a method of operating an automatic fire extinguishing system in an engine room of a vehicle according to an embodiment of the present disclosure includes,

Sensing a signal from the temperature detection module 110, the smoke detection module 120, and the flame detection module 130 (S101);

Detecting an abnormal state of the engine room of the vehicle based on the sensed data in the control unit 200 (S102);

Step (S103) of photographing the state of the vehicle engine room in the engine room photographing module 140;

Determining whether or not a fire has occurred in the engine room of the vehicle based on the data of the engine room photographing module 140 in the control unit 200 (S104);

Detecting the location of the fire in the engine room of the vehicle in the control unit 200 (S105);

Classifying the state of the vehicle engine room in the control unit 200 into a caution stage, a warning stage, and a danger stage (S106);

Moving the injection module 320 to the location of the fire by the command of the control unit 200 (S107a);

operating the fire extinguishing device 310 according to the command of the control unit 200 (S108a); and

controlling the flow rate of the fire extinguishing powder injected from the injection module 320 according to the command of the control unit 200 (S109a); It may be configured as comprising a.

In addition, referring to FIG. 7 , a method of operating an automatic fire extinguishing system of an automobile engine room according to another embodiment of the present disclosure is,

Sensing a signal from the temperature detection module 110, the smoke detection module 120, and the flame detection module 130 (S101);

Detecting an abnormal state of the engine room of the vehicle based on the sensed data in the control unit 200 (S102);

Step (S103) of photographing the state of the vehicle engine room in the engine room photographing module 140;

Determining whether or not a fire has occurred in the engine room of the vehicle based on the data of the engine room photographing module 140 in the control unit 200 (S104);

Detecting the location of the fire in the engine room of the vehicle in the control unit 200 (S105);

Classifying the state of the vehicle engine room in the control unit 200 into a caution stage, a warning stage, and a danger stage (S106);

Collecting data on the current location of the vehicle in the monitoring unit 400 (S107b); and

Step (S108b) of providing a notification of the fire and the current location of the vehicle to the nearby fire station in the monitoring unit 400; It may be configured as comprising a.

Accordingly, the automatic fire extinguishing system of the vehicle engine room according to the embodiment of the present disclosure,

When a fire occurs in the engine room of a car, even if the driver is not aware of it, the fire can be automatically detected and forced to be extinguished quickly. This has the advantage that digestion efficiency can be increased.

In addition, it is possible to easily monitor the condition of the vehicle engine room, and in the event of a fire in the engine room, it is possible to minimize damage to the vehicle and human life by automatically providing a notification of the fire occurrence and the current location of the vehicle to the nearby fire department. There is an advantage.

Meanwhile, although the automatic fire extinguishing system of an automobile engine room according to an embodiment of the present disclosure has been described for a vehicle, it is not limited thereto, and may be applied to a tactical vehicle and the like.

Although described above with reference to the drawings according to the embodiment of the present disclosure, it is possible for those of ordinary skill in the art to make various applications, modifications and adaptations within the scope of the present invention based on the above contents. will be.

1000: automatic fire extinguishing system of an automobile engine room according to an embodiment of the present disclosure
S1000: automatic fire extinguishing method of an automobile engine room according to an embodiment of the present disclosure
100: fire detection unit 110: temperature detection module
120: smoke detection module 130: flame detection module
140: engine room shooting module 150: communication module
200: control unit 210: database module
220: fire detection module 230: fire location detection module
240: fire control module 250: communication module
300: fire extinguishing unit 310: fire extinguishing device
320: injection module 321: body parts
322: control parts 322a: plate unit
322aa: inner ring plate 322ab: outer ring plate
322b: control unit 322ba: rotating ring plate
322bb: blade 322c: cover unit
323: driving parts 324: nozzle parts
330: piping module 340: flow control module
350: communication module 400: monitoring unit

Claims (6)

a fire detection unit 100 installed at a predetermined location to sense a signal for detecting the occurrence of a fire in an automobile engine room;
a control unit 200 for determining whether a fire has occurred in an engine room of a vehicle based on the data of the fire detection unit 100;
a fire extinguishing unit 300 in charge of extinguishing a fire in an automobile engine room by receiving a command from the control unit 200; and
a monitoring unit 400 that is connected to the fire detection unit 100, the control unit 200, and the fire extinguisher 300 to exchange data and monitor the state of the vehicle engine room; including,
The fire extinguishing unit 300 includes at least one fire extinguishing device 310 mounted on the trunk of a vehicle, and at least one injection module 320 for injecting the fire extinguishing powder built in the fire extinguishing device 310 into the engine room of the vehicle. and a pipe module 330 connecting the fire extinguishing device 310 and the spray module 320 and a flow rate control module 340 for controlling the flow rate of the sprayed fire extinguishing powder,
The injection module 320 has a main body part 321 having an orifice tube formed of at least one cylindrical pipe therein, and is coupled to the main body parts 321 and adjusts the diameter of the orifice tube. It includes parts 322 and nozzle parts 324 that are interchangeably coupled to the body parts 321 and have a plurality of injection holes to eject the extinguishing powder to the outside through the injection holes,
The adjustment parts 322 are coupled to the main body parts 321 and include an inner ring plate 322aa having a predetermined space in the center thereof, and an outer ring plate 322ab that is coupled to the outer circumferential surface of the inner ring plate 322aa and rotates. is positioned between the plate unit 322a and the plate unit 322a and the body parts 321 and is coupled to the inner ring plate 322aa and the outer ring plate 322ab, and when the outer ring plate 322ab rotates A control unit (322b) for adjusting the diameter size of the orifice tube by rotating together, and a cover unit (322c) coupled to the upper surface of the inner ring plate (322aa),
The monitoring unit 400 collects data on the current location of the vehicle when a fire occurs in the engine room of the vehicle, and automatically provides a notification about the occurrence of a fire and the current location of the vehicle to a nearby fire station. of automatic fire extinguishing system.
According to claim 1,
The fire detection unit 100 includes a temperature detection module 110 capable of recognizing and identifying the temperature of the vehicle engine room with a sensor; a smoke detection module 120 capable of recognizing and identifying smoke generated when a fire occurs in an automobile engine room with a sensor; A flame detection module 130 capable of recognizing and identifying light emitted by thermal radiation when a fire occurs in an automobile engine room as a sensor; And an engine room photographing module 140 for photographing the state of the vehicle engine room; Automatic fire extinguishing system of an automobile engine room, characterized in that it comprises a.
3. The method of claim 2,
The control unit 200 is provided in advance with threshold data for temperature data, smoke data, and flame data when the engine room of the vehicle is in a normal state, and includes the temperature sensing module 110 , the smoke sensing module 120 , and the The data of the flame detection module 130 is compared with the threshold data to first detect an abnormal state in the engine room of the vehicle, and secondarily, based on the data of the engine room photographing module 140, fire in the engine room of the vehicle An automatic fire extinguishing system of an automobile engine room, characterized in that it is determined whether or not it occurs.
According to claim 1,
The injection module (320) is installed on the lower surface of the vehicle bonnet (Bonnet) automatic fire extinguishing system of an automobile engine room, characterized in that it is possible to move up, down, left and right along the lower surface of the bonnet.
5. The method of claim 4,
When the fire extinguishing unit 300 is operated, the control unit 200 detects the location of a fire in the engine room of the vehicle based on the data of the fire detection unit 100, and uses the detected location of the injection module 320 An automatic fire extinguishing system of an automobile engine room, characterized in that it controls so that the fire extinguishing powder is injected by selectively moving the
6. The method of claim 5,
The control unit 200 divides into a caution stage, a warning stage, and a danger stage according to the state of the vehicle engine room,
The automatic fire extinguishing system of an automobile engine room, characterized in that it controls so that the number of injection modules (320) operated according to the respective steps and the flow rate of the injected extinguishing powder are adjusted.

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