Electric vehicle battery fire monitoring and suppression system using a liftable drill lance device

Abstract

The present invention relates to an electric vehicle battery fire monitoring and suppression system that employs a retractable drill lance device, which allows for the prediction of the possibility of a fire by detecting abnormal heat generation, smoke generation, or sparks in the underside of the electric vehicle, and enables a rapid response to a fire by automatically raising and lowering a drill lance device embedded in the ground beneath the electric vehicle to immediately make contact with the underside of the electric vehicle battery and start fire suppression.

Description

Technical Field

[0001] The present invention relates to a battery fire monitoring and suppression system for electric vehicles applying a lifting drill lance device. More specifically, by grasping the state of abnormal heat generation, smoke generation or spark detection at the lower part of an electric vehicle, the possibility of a fire occurrence can be judged in advance. When a fire occurs, the drill lance device embedded in the ground below the electric vehicle is automatically lifted and closely attached to the lower part of the electric vehicle battery immediately to start fire suppression, so as to be able to quickly respond to the fire occurrence. The present invention relates to a battery fire monitoring and suppression system for electric vehicles applying a lifting drill lance device.

Background Art

[0002] Recently, in the situation where the number of registered electric vehicles in South Korea is increasing more and more, fires frequently occur. Due to the characteristics of the electric vehicle batteries, it is not easy to extinguish the fire, etc. Taking safety measures against electric vehicle fires has become an urgent problem.

[0003] An electric vehicle arranges a battery storing a high-capacity energy at the bottom surface of the vehicle. When a fire starts in the battery due to an accident or other various reasons, the temperature of the heat generation point is very high, and continuous heat transfer in a form of high-density accumulation occurs and re-ignition occurs, etc., making it difficult to suppress the fire.

[0004] When a fire occurs in an electric vehicle and the fire spreads to the battery of the electric vehicle, it does not easily go out and easily re-ignites until it completely burns, so there is a difficulty that a large amount of fire-fighting water must be continuously poured for a long time to suppress the fire. The most effective fire suppression method to solve this is to lift the electric vehicle on fire with a crane and put it into a water-filled water tank for suppression. However, in order to put the electric vehicle into the water tank, it must be lifted using a crane, etc., and a large water tank must be installed (manufactured) at the site. Therefore, this method is very difficult in reality.

[0005] Currently, with the rapid increase in electric vehicle ownership, there is also a trend toward an increase in electric vehicle fires. Due to the unique characteristics of electric vehicle fires, proactive response methods are necessary, and there is a need for technology that can ensure the safety of firefighters and protect the golden time for effective fire suppression. [Overview of the Initiative] [Problems that the invention aims to solve]

[0006] The present invention aims to solve the above-mentioned problems, and its objective is to provide an electric vehicle battery fire monitoring and suppression system that applies a liftable drill lance device, which allows for the prediction of the possibility of fire by understanding the abnormal heat generation, smoke generation, or spark detection conditions under the electric vehicle, and enables a rapid response to a fire by automatically raising and lowering a drill lance device embedded in the ground under the electric vehicle and making it tightly attached to the underside of the electric vehicle battery in the event of a fire. [Means for solving the problem]

[0007] An electric vehicle battery fire monitoring and suppression system 1 applying a lifting drill lance device according to one embodiment of the present invention may include a number of fire detection means 100 installed in an electric vehicle parking lot, a fire occurrence detection unit 200 that determines the location of a fire when a fire is detected via the fire detection means 100, and a drill lance device 300 that is embedded in the ground of a number of electric vehicle parking areas in the electric vehicle parking lot and suppresses fires by being brought into close contact with the underside of an electric vehicle via lifting and lowering.

[0008] In one embodiment, the fire detection means 100 may collect at least one of the following detection data: photographic data showing the heat generation state of the underside of the electric vehicle, photographic data showing the presence or absence of sparks at the underside of the electric vehicle, photographic data showing the presence or absence of smoke at the underside of the electric vehicle, and detection data showing the presence or absence of smoke and hot air flowing into the upper part of the electric vehicle, and provide this data to the fire occurrence detection unit 200.

[0009] In one embodiment, when the fire occurrence detection unit 200 receives detection data from any of the numerous fire detection means 100, it may identify the fire occurrence location based on the location of the fire detection means 100 that provided the detection data and activate the drill lance device 300.

[0010] In one embodiment, the drill lance device 300 may include: an embedded housing 310 embedded in a guide groove recessed in the ground of the parking area of ​​the electric vehicle; a lifting lift 320 housed within the embedded housing 310, whose height is adjusted vertically under the control of the fire detection unit 200; a cylinder unit 330 connected to the lifting lift 320 on one side, which uses water supplied via a lift supply hose to pull out a cylinder rod so that the lifting lift 320 moves up and down; and a drill module 340 installed on an upper plate provided above the lifting lift 320, which is in close contact with the electric vehicle's battery, drills a hole in the electric vehicle's battery using fire extinguishing water, and sprays the fire extinguishing water into the electric vehicle's battery through the drilled hole.

[0011] In one embodiment, the embedded housing 310 may have the same height as the ground level of the electric vehicle parking area.

[0012] In one embodiment, an opening / closing door 311 may be provided on the upper side of the embedded housing 310, which opens and closes in the left-right direction under the control of the fire detection unit 200 so that the lifting lift 320 protrudes upward.

[0013] In one embodiment, a cylinder 331, one end of which is connected to the lifting lift 320, may be housed within the cylinder portion 330.

[0014] In one embodiment, the drill module 340 may include a housing 341 into which fire extinguishing water is injected; an impeller 342 provided inside the housing 341, which rotates due to the injected water to generate rotational force; a hole cutter 343 connected to the impeller 342 and, while in close contact with the battery of the electric vehicle, drills a fire extinguishing hole for water to be injected into the battery of the electric vehicle via the rotational force of the impeller 342; and an elastic body 344 provided below the hole cutter 343.

[0015] In one embodiment, a drain hole 341a is provided on the side of the housing 341 for water injected into the interior when the impeller 342 rotates to be discharged to the outside, and a fire extinguishing water discharge port is provided on the end and side of the hole cutter 343 for the injected water to be discharged.

[0016] In one embodiment, the housing 341 includes a slide plate 341b that, when the hole cutter 343 is driven into the bottom of the electric vehicle's battery by the elastic force of the elastic body 344, closes the drain hole 341a so that the water injected into the housing 341 is not discharged through the drain hole 341a but is instead injected into the electric vehicle's battery through the fire extinguishing hole; a connecting rod 341c connected to the slide plate 341b; and an elastic body 341d provided on the connecting rod 341c, wherein a locking step 341c-1 is formed on the connecting rod 341c; and a rotating trigger 345 that rotates around a central axis of rotation to change the open / closed state of the slide plate 341b may be provided on the upper plate of the lifting lift 320.

[0017] In one embodiment, one end of the rotary trigger 345 is provided with a pressed transmission portion 345a that contacts the side surface of the hole cutter 343, and the other end of the rotary trigger 345 is provided with a locking means 345b that engages with a locking step portion 341c-1 and separates from the locking step portion 341c-1 while moving in the opposite direction of the pressed motion when the rotary trigger 345 rotates due to the pressing of the pressed transmission portion 345a.

[0018] In one embodiment, when the hole cutter 343 is inserted into the bottom of the electric vehicle's battery, one side of the hole cutter 343 pushes the pressed transmission portion 345a, and the rotation trigger 345 rotates with respect to the rotation axis, thereby separating the locking means 345b from the locking step portion 341c-1, while the elastic force of the elastic body 341d closes the slide plate 341b to the drain hole 341a. [Effects of the Invention]

[0019] According to one aspect of the present invention, by detecting abnormal heat generation, smoke generation, or sparks in the underside of an electric vehicle, the possibility of a fire can be determined in advance. Furthermore, in the event of a fire, a drill lance device embedded in the ground beneath the electric vehicle can be automatically raised and lowered to immediately make contact with the underside of the electric vehicle's battery to begin fire suppression, thus enabling a rapid response to the fire. [Brief explanation of the drawing]

[0020] [Figure 1] This figure shows the configuration of an electric vehicle battery fire monitoring and suppression system 1 that applies a lifting drill lance device according to one embodiment of the present invention. [Figure 2] This diagram shows the configuration of the drill lance device 300 in more detail. [Figure 3] Figure 2 shows the drill module 340 in the upward position. [Figure 4] This diagram shows the drill module 340 in more detail. [Figure 5] It is a diagram showing the rotary trigger 345. [Figure 6] It is a diagram showing a state in which the slide plate 341b, the connecting rod 341c, and the elastic body 341d in the drill module 340 are connected. [Figure 7] It is a diagram showing the open / closed state of the slide plate 341b. [Figure 8] It is a diagram showing the whole process of suppressing a fire in an electric vehicle battery manually or automatically through the electric vehicle battery fire monitoring and suppression system 1 to which the elevating drill lance device is applied in a series of sequences.

Embodiments for Carrying out the Invention

[0021] Hereinafter, preferred embodiments are presented to assist in understanding the present invention. However, the following embodiments are merely provided to more easily understand the present invention, and the content of the present invention is not limited by the embodiments.

[0022] FIG. 1 is a diagram showing the configuration of an electric vehicle battery fire monitoring and suppression system 1 to which an elevating drill lance device according to an embodiment of the present invention is applied.

[0023] Referring to FIG. 1, an electric vehicle battery fire monitoring and suppression system 1 to which an elevating drill lance device according to an embodiment of the present invention is applied mainly includes a large number of fire detection means 100, a fire occurrence grasping unit 200, and a drill lance device 300 that is embedded in the ground of a large number of electric vehicle parking areas and performs fire suppression in close contact with the lower part of the electric vehicle through elevation.

[0024] A plurality of fire detection means 100 can be installed in an electric vehicle parking lot, and in particular, can be individually installed above each parking area in the electric vehicle parking lot. Therefore, when a fire occurs in an electric vehicle within each parking area, each fire detection means 100 is responsible for detecting the fire in the corresponding parking area.

[0025] Such a fire detection means 100 can be installed on the bottom of the electric vehicle parking area and can be linked with a camera device (such as a general camera device or a thermal imaging camera device) that photographs the heat generation status of the underside of the electric vehicle, the presence or absence of sparks, or the presence or absence of smoke, and collects photographic data.

[0026] Furthermore, the fire detection means 100 can be installed on top of the electric vehicle and can be linked with a camera device that photographs the heat generation status, presence or absence of sparks, or presence or absence of smoke on top of the electric vehicle and collects photographic data.

[0027] Furthermore, the fire detection means 100 may be a detection sensor installed on top of the electric vehicle that automatically detects smoke, heat, or sparks flowing into the top of the electric vehicle and collects detection data.

[0028] The electric vehicle undercarriage image data, upper body image data, or detection data collected via the fire detection means 100 are provided to the fire occurrence detection unit 200.

[0029] The fire detection unit 200 receives detection data from the fire detection means 100 to determine the location of the fire, and based on this, it raises and lowers the drill module 340 of the drill lance device 300 (described later) to make it tightly contact the bottom of the electric vehicle battery, thereby automatically injecting fire extinguishing water to suppress the fire.

[0030] More specifically, the fire detection unit 200 receives detection data from fire detection means 100 installed in each electric vehicle parking area regarding the heat generation status of the electric vehicle, the presence or absence of sparks, the presence or absence of smoke, etc., and based on this, it can determine at least one of the following states: abnormal heat generation status, smoke generation status, and spark detection status of the underside of the electric vehicle.

[0031] Here, the fire detection unit 200 does not simply check the heat generated by the battery under the electric vehicle from the moment the electric vehicle is parked, but rather detects the abnormal heat generation after a certain cooling period based on the time the electric vehicle is parked. For example, the battery under the electric vehicle is considerably heated immediately after parking, so if the abnormal heat generation is detected immediately at this stage, it may be mistakenly determined that the electric vehicle has experienced abnormal heat generation. Therefore, the fire detection unit 200 can detect the abnormal heat generation after a certain cooling period (for example, 10 minutes) has elapsed based on the time the electric vehicle is parked.

[0032] In one embodiment, the fire detection unit 200 can determine a shooting spot where abnormal heat generation frequently occurs, depending on the type of electric vehicle, in the process of detecting the abnormal heat generation of the battery located under the electric vehicle, and can also concentrate its shooting on that shooting spot.

[0033] For example, since each electric vehicle may have a different type of battery, the fire detection unit 200 can learn locations where a large amount of heat is generated for each type of parked electric vehicle. Subsequently, when an electric vehicle of the same type is parked, the unit can concentrate on detecting abnormal heat conditions at the locations where a large amount of heat is generated, based on the previously learned results. In this case, the fire detection unit 200 can designate these locations as shooting spots to capture images more intensively via the dual image camera and spark detection camera.

[0034] The fire detection unit 200 can determine if abnormal signs such as abnormal heat generation, sparks, or smoke generation have occurred in the electric vehicle based on the collected battery status information, and if so, fire suppression can be initiated via the drill lance device 300.

[0035] The drill lance device 300 is embedded in the ground in multiple electric vehicle parking areas within the electric vehicle parking lot and plays a role in suppressing fires by being brought into close contact with the underside of electric vehicles via its lifting and lowering mechanism. This will be explained in more detail next.

[0036] Figure 2 is a diagram showing the configuration of the drill lance device 300 in more detail. Figure 3 is a diagram showing the state in which the drill module 340 shown in Figure 2 is raised and lowered upwards.

[0037] Referring to Figures 2 and 3, the drill lance device 300 comprises an embedded housing 310, a lifting lift 320, a cylinder section 330, and a drill module 340.

[0038] The embedded housing 310 is embedded in a guide groove recessed in the ground of the electric vehicle parking area, and houses the lifting lift 320 and the drill module 340 inside. A cylinder section 330 is provided on one side of the embedded housing 310. A cylinder 331, one end of which is connected to the lifting lift 320, is housed inside the cylinder section 330.

[0039] Since this embedded housing 310 is installed at the same height as the ground, it does not interfere with the underside of the electric vehicle at all when the vehicle is moving.

[0040] An opening / closing door 311 is provided on the upper side of the embedded housing 310, which opens and closes in the left-right direction under the control of the fire detection unit 200, causing the lifting lift 320 to protrude upward. The opening / closing door 311 remains closed under normal conditions, and if a fire is detected under the control of the aforementioned fire detection unit 200, it is immediately opened so that the fire at the bottom of the electric vehicle battery can be quickly extinguished.

[0041] The opening and closing door 311 can be made of steel or tempered glass that can withstand the load of an electric vehicle. Furthermore, the opening and closing door 311 is designed to be easily replaced with a new one from the embedded housing 310 in the event of an emergency.

[0042] The lifting lift 320 is housed within the embedded housing 310 and its height is adjusted vertically under the control of the aforementioned fire detection unit 200. This lifting lift 320 is connected to the cylinder rod of the cylinder unit 330.

[0043] The cylinder section 330 houses the cylinder 331, which is installed laterally and whose end cylinder rod is connected to the lifting lift 320. The cylinder 331 performs an operation to extend or retract its cylinder rod under the control of the fire detection unit 200 described above, thereby causing the upper plate of the lifting lift 320 to move up and down.

[0044] The cylinder section 330 is connected to a lift supply hose on one side, and by using water supplied through the lift supply hose to pull out the cylinder rod so that it protrudes, it plays a role in causing the upper plate of the lifting lift 320 to rise upward.

[0045] The drill module 340 is installed on an upper plate located above the lifting lift 320 and is in close contact with the electric vehicle battery. Its role is to drill holes in the electric vehicle battery using fire-extinguishing water and to spray the fire-extinguishing water into the electric vehicle battery through the drilled holes. This will be explained in more detail next.

[0046] Figure 4 is a diagram showing the drill module 340 in more detail. Figure 5 is a diagram showing the rotary trigger 345. Figure 6 is a diagram showing the state in which the slide plate 341b, connecting rod 341c, and elastic body 341d within the drill module 340 are connected, and Figure 7 is a diagram showing the open and closed state of the slide plate 341b.

[0047] Referring to Figures 4 to 7, the drill module 340 is located below the upper plate, which is located above the lifting lift 320. Its height is adjusted upward by the lifting lift 320, which is connected to the cylinder 331, so that it fits snugly against the bottom of the electric vehicle's battery. Next, this will be explained in more detail.

[0048] The drill module 340 is connected to an upper plate located above the lifting lift 320 and rises to make close contact with the underside of the electric vehicle's battery.

[0049] In this state, fire extinguishing water is injected through a fire extinguishing water supply hose connected to one side of the drill module 340, and drilling beneath the electric vehicle battery automatically begins.

[0050] The drill module 340 comprises a housing 341 into which water is injected; an impeller 342 located inside the housing 341, which rotates using the water injected through a fire extinguishing water supply hole to generate rotational force; a hole cutter 343 connected to the impeller 342, which drills a fire extinguishing hole for water to be injected into the battery of an electric vehicle via the rotational force of the impeller 342; and an elastic body 344 located below the hole cutter 343.

[0051] The housing 341 houses an impeller 342, a hole cutter 343, and an elastic body 344. A water inlet is provided on one side of the housing 341 for injecting fire extinguishing water into the interior. The water pressure from the fire extinguishing water injected through the inlet causes the internal impeller 342 to rotate. The rotational force of the impeller 342 is directly transmitted to the hole cutter 343, and as a result, the water pressure causes the hole cutter 343 to drill a hole in the bottom of the electric vehicle's battery. The fire extinguishing water injected through the water inlet in the housing 341 rotates along the inner wall of the housing 341, and in doing so, rotates the impeller 342. The impeller 342 rotates due to the water pressure, generating rotational force, which in turn rotates the hole cutter 343.

[0052] The hole cutter 343 rotates via the rotational force of the impeller 342, drilling a fire extinguishing hole in the bottom of the electric vehicle's battery. As a result, a large amount of fire extinguishing water is injected into the electric vehicle's battery through the fire extinguishing hole, allowing the fire to be suppressed more effectively.

[0053] In this configuration, the hole cutter 343 has a hollow pipe shape, and its end and side are provided with fire extinguishing water outlets that allow fire extinguishing water injected through a water inlet to be discharged into the battery of the electric vehicle through a perforated fire extinguishing hole.

[0054] The elastic body 344 is compressed when the hole cutter 343 is in close contact with the bottom of the electric vehicle battery, and the elastic force causes the housing 341 to always move upward, thereby ensuring that the hole cutter 343 can always be in close contact with the bottom of the electric vehicle battery.

[0055] With the hole cutter 343 in close contact with the underside of the electric vehicle's battery, the impeller 342 rotates due to water pressure, causing the hole cutter 343 to rotate as holes are gradually drilled into the electric vehicle's battery, causing the hole cutter 343 to penetrate the bottom of the electric vehicle's battery. This is possible because the elastic body 344 constantly pushes the housing 341 toward the electric vehicle's battery via its elastic force.

[0056] On the other hand, before the hole is drilled by the hole cutter 343, the water injected through the water inlet must be discharged to the outside, and for this purpose, a drain hole 341a can be formed on the side of the housing 341.

[0057] The drain hole 341a acts as a kind of water outlet, allowing injected water to be discharged to the outside before the hole is drilled by the hole cutter 343. After the hole is drilled by the hole cutter 343, a slide plate 341b is provided on one side of the housing 341 to prevent water injected through the water inlet from being discharged to the outside through the drain hole 341a. This will now be explained in more detail.

[0058] Inside the housing 341, there is a connecting rod 341c connected to the slide plate 341b, and an elastic body 341d provided on the connecting rod 341c. On the upper plate of the lifting lift 320, there is a rotating trigger 345 that rotates around a central axis of rotation to change the open / closed state of the slide plate 341b. Basically, one side of the slide plate 341b and the connecting rod 341c are connected to each other, so when the connecting rod 341c moves upward, the slide plate 341b moves upward, opening the drain hole 341a, and when the connecting rod 341c moves downward, the slide plate 341b moves downward, closing the drain hole 341a.

[0059] At this time, the lower end of the connecting rod 341c is connected to the slide plate 341b, and the upper end is connected to the underside of the upper plate which is connected to the drill module 340. In other words, in the present invention, the housing 341 is tightly connected to the underside of the upper plate of the lifting lift 320 with a large number of bolts, and the upper end of the connecting rod 341c passes through the upper plate and is partially exposed to the outside. A locking step portion 341c-1 with a narrow diameter is formed in the middle of the exposed connecting rod 341c.

[0060] When the slide plate 341b is raised upward and the drain hole 341a is opened, the locking step portion 341c-1 of the connecting rod 341c is raised above the upper plate and exposed. At this time, one side of the rotation trigger 345 is locked to the locking step portion 341c-1, thereby maintaining the current state of the slide plate 341b (the state in which the drain hole 341a is opened).

[0061] More specifically, the rotary trigger 345 is connected to the top plate via a rotation axis, and rotates clockwise or counterclockwise with respect to the rotation axis in the center.

[0062] At this time, a pressed transmission part 345a is provided at one end of the rotary trigger 345. When the hole cutter 343 gradually rises, the pressed transmission part 345a comes into contact with the side surface of the hole cutter 343 and is gradually pushed backward. In this case, the rotary trigger 345 rotates due to the rotation axis, and the other end of the rotary trigger 345 rotates in the opposite direction to the pushing motion. A locking means 345b is provided at the other end of the rotary trigger 345 so as to engage with the locking step portion 341c-1 of the connecting rod 341c described above.

[0063] In other words, when the slide plate 341b is raised upward and the drain hole 341a is opened, the locking step portion 341c-1 of the connecting rod 341c rises onto the upper plate and is locked to the locking means 345b. In this state, as long as the locking means 345b is not separated from the locking step portion 341c-1, the slide plate 341b maintains the state in which the drain hole 341a is open.

[0064] In its current state, the connecting rod 341c is provided with an elastic body 341d. When the slide plate 341b is raised upward by the connecting rod 341c, the elastic body 341d is compressed by the portion connecting the slide plate 341b and the connecting rod 341c, and by the upper plate, thereby exerting a compressive force.

[0065] In the current state, when the hole cutter 343 rises, the pressed transmission part 345a, which abuts against the side of the hole cutter 343, is gradually pushed backward. For this reason, the side diameter of the hole cutter 343 has a structure that gradually widens. Therefore, as the hole cutter 343 rises, the side diameter also gradually widens, and the pressed transmission part 345a is gradually pushed backward, causing the rotation trigger 345 itself to rotate with respect to the rotation axis.

[0066] This rotation separates the locking means 345b from the locking step 341c-1, and the elastic body 341d, which was previously compressed by the compressive force, pushes the portion connecting the slide plate 341b and the connecting rod 341c to each other, causing the slide plate 341b to descend downward, thereby closing the drain hole 341a.

[0067] Therefore, if the hole cutter 343 completely drills into the bottom of the electric vehicle battery, the slide plate 341b can block the drain hole 341a, preventing the fire extinguishing water injected into the housing 341 from being discharged through the drain hole 341a, and instead directing it into the interior of the electric vehicle battery through the fire extinguishing hole.

[0068] Next, we will explain in order the process by which, in the event of a fire occurring via the electric vehicle battery fire monitoring and suppression system 1 to which the aforementioned lifting drill lance device is applied, fire detection, determination of the fire's location, and fire suppression are carried out.

[0069] Figure 8 is a diagram illustrating the entire process of manually or automatically suppressing an electric vehicle battery fire via the electric vehicle battery fire monitoring and suppression system 1, which is equipped with a liftable drill lance device, in a sequential manner.

[0070] Referring to Figure 8, the electric vehicle battery fire monitoring and suppression system 1, to which the lifting drill lance device according to the present invention is applied, is designed to be operated manually by an operator, or it can detect a fire in an electric vehicle and suppress the fire automatically in automatic operation mode.

[0071] First, regarding manual operation, the operator operates a button in a separate junction box (not shown) connected to the drill lance device 300 to open the opening / closing door 311 of the embedded housing 310. With the operation button in this state, the valve of the lift supply hose is opened to supply water to the cylinder 331 of the cylinder section 330, which causes the cylinder rod of the cylinder section 331 to be pulled out and the height of the lifting lift 320 to increase, so that the drill module 340 is in close contact with the bottom of the electric vehicle battery.

[0072] In this state, the operation button is pressed to open the valve of the fire extinguishing water supply hose, and by supplying fire extinguishing water to the housing 341 of the drill module 340, drilling below the electric vehicle battery is started.

[0073] In the case of autonomous driving, if a fire occurs in an electric vehicle parking area, the fire detection means 100 installed in the electric vehicle parking area will detect the fire. The detection data detected via the fire detection means 100 is provided to the fire occurrence detection unit 200, which then accurately determines and identifies the location of the fire.

[0074] Subsequently, the fire detection unit 200 opens the opening / closing door 311 of the embedded housing 310 embedded in the ground at the location of the fire, and opens the valve of the lift supply hose to supply water to the cylinder 331 of the cylinder unit 330 so that the cylinder 331 can operate. As a result, the cylinder rod of the cylinder unit 331 is automatically pulled out, raising the height of the lifting lift 320, so that the drill module 340 is in close contact with the bottom of the electric vehicle's battery.

[0075] In this state, fire extinguishing water is automatically injected via the fire extinguishing water supply hose, and hole drilling, fire extinguishing water spraying, and fire suppression are initiated via the drill module 340.

[0076] While the above has been described with reference to preferred embodiments of the present invention, those skilled in the art will understand that the present invention can be modified and altered in various ways without departing from the spirit and scope of the invention as described in the following claims. [Industrial applicability]

[0077] According to the present invention, the possibility of an electric vehicle fire can be determined in advance, and if a fire occurs, it can be quickly extinguished. Therefore, the present invention is a technology that can be widely used in the electric vehicle and fire fighting industries to realize its practical and economic value. [Explanation of Symbols]

[0078] 1. Electric vehicle battery fire monitoring and suppression system using a lifting drill lance device. 100 Fire detection means 200 Fire Occurrence Detection Unit 300 Drill Lance Device 310 Embedded Housing 311 Opening and closing doors 320 Lifting Lift 330 Cylinder section 331 Cylinder 340 Drill Module 341 Housing 341a Drain Hole 341b Slide Plate 341c connecting rod 341c-1 Locking step 341d Elastic body 342 Impeller 343 Hole Cutter 344 Elastic body 345 rotation trigger 345a Pushed force transmission part 345b Locking means

Claims

1. A number of fire detection devices (100) installed in an electric vehicle parking lot, When a fire is detected via the fire detection means (100), a fire occurrence detection unit (200) is used to determine the location of the fire, An electric vehicle battery fire monitoring and suppression system that applies a lifting drill lance device, characterized by including a drill lance device (300) that is embedded in the ground of numerous electric vehicle parking spaces in an electric vehicle parking lot and is brought into close contact with the underside of an electric vehicle via a lifting mechanism to suppress fires.

2. The fire detection means (100) is An electric vehicle battery fire monitoring and suppression system applying a lifting drill lance device according to claim 1, characterized in that it collects at least one detection data from among photographic data showing the heat generation state of the underside of the electric vehicle, photographic data showing the presence or absence of sparks generated under the electric vehicle, photographic data showing the presence or absence of smoke generated under the electric vehicle, and detection data detecting smoke or hot air flowing into the top of the electric vehicle, and provides this data to the fire occurrence detection unit (200).

3. The fire detection unit (200) is, An electric vehicle battery fire monitoring and suppression system applying the lifting drill lance device according to claim 2, characterized in that, when the detection data is provided from any of the numerous fire detection means (100), the location of the fire is identified based on the location of the fire detection means (100) that provided the detection data, and the drill lance device (300) is activated.

4. The drill lance device (300) is An embedded housing (310) is embedded in a guide groove recessed in the ground of the electric vehicle parking area, A lifting lift (320) is housed within the aforementioned embedded housing (310) and whose height is adjusted vertically under the control of the fire detection unit (200), A cylinder section (330) is connected to the lifting lift (320) on one side and uses water supplied via a lift supply hose to pull out a cylinder rod so that the lifting lift (320) moves up and down, An electric vehicle battery fire monitoring and suppression system applying the lifting drill lance device according to claim 1, characterized in that it includes a drill module (340) installed on an upper plate provided above the lifting lift (320), which is in close contact with the electric vehicle battery and drills holes in the electric vehicle battery using fire extinguishing water, and sprays fire extinguishing water into the electric vehicle battery through the drilled holes.

5. The aforementioned embedded housing (310) is An electric vehicle battery fire monitoring and suppression system applying the lifting drill lance device according to claim 4, characterized in that it has the same height as the ground level of the electric vehicle parking area.

6. On the upper side of the aforementioned embedded housing (310), An electric vehicle battery fire monitoring and suppression system applying the lifting drill lance device according to claim 4, characterized in that an opening / closing door (311) is provided which opens and closes in the left-right direction under the control of the fire occurrence detection unit (200) so that the lifting lift (320) protrudes upward.

7. Inside the cylinder portion (330), An electric vehicle battery fire monitoring and suppression system applying the lifting drill lance device according to claim 4, characterized in that a cylinder (331) is housed, with one end connected to the lifting lift (320).

8. The drill module (340) is A housing (341) into which fire extinguishing water is injected, An impeller (342) is provided within the housing (341) and rotates due to injected water to generate rotational force, A hole cutter (343) is connected to the impeller (342) and, while in close contact with the battery of the electric vehicle, drills a fire extinguishing hole for water to be injected into the battery of the electric vehicle via the rotational force of the impeller (342), An electric vehicle battery fire monitoring and suppression system applying the lifting drill lance device according to claim 4, characterized in that it includes an elastic body (344) provided at the lower part of the hole cutter (343).

9. A drain hole (341a) is provided on the side of the housing (341) for the water injected into the interior when the impeller (342) rotates to be discharged to the outside, and, An electric vehicle battery fire monitoring and suppression system applying the lifting drill lance device according to claim 8, characterized in that the end portion and side portion of the hole cutter (343) are provided with fire extinguishing water discharge ports for the discharge of injected water.

10. The housing (341) is When the elastic force of the elastic body (344) causes the hole cutter (343) to penetrate the bottom of the electric vehicle's battery, a slide plate (341b) blocks the drain hole (341a), preventing the water injected into the housing (341) from being discharged through the drain hole (341a), and instead directing it to be injected into the electric vehicle's battery through the fire extinguishing hole. A connecting rod (341c) connected to the slide plate (341b), and The connecting rod (341c) includes an elastic body (341d), The connecting rod (341c) has a locking step (341c-1) formed therein. An electric vehicle battery fire monitoring and suppression system applying the lifting drill lance device according to claim 9, characterized in that a rotating trigger (345) is provided on the upper plate of the lifting lift (320) that rotates with respect to a central rotation axis to change the open / closed state of the slide plate (341b).

11. A pressed transmission portion (345a) is provided at one end of the rotating trigger (345) and is in contact with the side surface of the hole cutter (343). An electric vehicle battery fire monitoring and suppression system applying the lifting drill lance device according to claim 10, characterized in that the other end of the rotating trigger (345) is provided with a locking means (345b) which engages with the locking step (341c-1) and, when the rotating trigger (345) rotates due to the pushing of the pushed transmission part (345a), moves in the opposite direction to the pushing and separates from the locking step (341c-1).

12. An electric vehicle battery fire monitoring and suppression system applying the lifting drill lance device according to claim 10, characterized in that when the hole cutter (343) is inserted into the lower part of the electric vehicle battery, one side of the hole cutter (343) pushes the pressed transmission part (345a), and the rotation trigger (345) rotates with respect to the rotation axis, thereby separating the locking means (345b) from the locking step (341-c) and the elastic force of the elastic body (341d) causes the slide plate (341b) to close the drain hole (341a).

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