Fire extinguishing device for electric vehicles

Abstract

A fire extinguishing device for an electric vehicle, having a connector that extends a cavity passage configured in the battery compartment of the electric vehicle to the surface of the vehicle body structure. In one embodiment, the connector is connected to a corresponding connector, piping, and control panel outside the vehicle and an external supply of fire extinguishing agent. When a detector senses a fire, it sends a message to the control panel, automatically opens the valve of the fire extinguishing agent pipe, and discharges the agent. In another embodiment, the connector is connected to a corresponding connector, piping, and an external supply of a fire extinguishing water source outside the vehicle, and manually opens the valve of the fire extinguishing water source pipe to discharge the water source. Finally, both the agent or water source discharged in both embodiments directly extinguish the fire by passing through a path of piping, connectors, and an in-vehicle passage, thereby quickly shortening the fire extinguishing time and reducing the dosage of the fire extinguishing material and the disaster loss.

Description

Technical Field

[0001] The present invention relates to the technical field of fire extinguishing devices, and particularly to a fire extinguishing device for electric vehicles.

Background Art

[0002] Generally, the battery compartment of an electric vehicle is designed on the vehicle chassis and is in a state very close to being airtight. Therefore, when a fire breaks out inside the battery compartment, a large amount of fire extinguishing agent can only be sprayed from outside the battery compartment for a long time. By the method of dissipating heat from the outside, an attempt is made to achieve the principle of finally completely extinguishing the internal fire. However, in reality, it is not helpful in suppressing the continuous accumulation of thermal runaway energy that constantly occurs inside the airtight battery compartment, and the central position of the fire still cannot directly meet the conditions for temperature reduction and thus fire extinguishing. For this reason, there is a possibility that a corresponding fire extinguishing effect will occur only after continuously consuming manpower, materials, and financial resources until the battery fuel spontaneously shuts off or tends to burn out.

[0003] Also, currently, all detection elements for activating the injection of fire extinguishing agent in parking lots are attached to the parking lot structure and cannot directly detect the initial-stage fire caused by thermal runaway in the battery compartment of an electric vehicle whose occurrence time is unknown. It is only when the fire source melts the battery compartment and spreads outside the vehicle chassis and a direct fire appears that the detection element may operate to further activate the injection of fire extinguishing agent. However, at this time, thermal runaway has already occurred inside the battery compartment and cannot be stopped. Therefore, the existing fire detection elements in parking lots cannot timely detect and receive the thermal runaway situation inside the battery compartment, and naturally, they cannot issue an order to inject fire extinguishing agent. For this reason, the early warning notification of the initial-stage fire of electric vehicles and the optimal fire extinguishing timing are missed.

Summary of the Invention

Problems to be Solved by the Invention

[0004] In view of the above, in order to solve the problems existing in the prior art, the present invention provides a device that can directly extinguish a fire on an electric vehicle and improve the fire detection efficiency to meet the needs of timely, accurate and rapid detection of fires, shortening the fire extinguishing time, and reducing the usage amount of a large amount of fire extinguishing agents and disaster losses.

Means for Solving the Problems

[0005] To achieve the above object, the present invention provides a fire extinguishing device for an electric vehicle, which includes an in-vehicle fire extinguishing agent passage unit including a staggered passage structure cavity originally formed by the gaps between the battery modules in the battery chamber and an in-vehicle fire extinguishing agent passage defined by the in-vehicle structure of the electric vehicle, a fixed female connector for fire extinguishing agent conveyance, a fixed male connector for electric power grounding with the bottom fixed to the vehicle body structure, a fixed male connector for a fire detection pipe with the bottom fire detection pipe placed in the in-vehicle fire extinguishing agent passage and a terminator provided at the end of the pipe, a cavity forming a distance separating the fixed male connector for electric power grounding and the fixed male connector for the fire detection pipe, and a movable door cover, and includes a fixed embedded connector unit.

[0006] In one embodiment, the fixed embedded connector unit is joined to an external movable connector unit that completely corresponds to each other, which includes an external movable male connector for a fire extinguishing agent with the mounting base at the bottom connected to the fire extinguishing agent pipe, an external movable female connector for electric power grounding with the bottom connected to the electric power grounding pipe, an external movable female connector for a fire detection pipe with the bottom connected to the fire detection pipe, a handle grip covering the connection part between the external movable male connector for a fire extinguishing agent and these pipes, and a filling part separating the external movable female connector for electric power grounding and the external movable female connector for the fire detection pipe.

[0007] In one embodiment, the external movable connector unit is joined to an extension unit capable of moving all pipes, including an electric power grounding pipe, a fire detection pipe, a fire extinguishing agent pipe, an external movable female connector for a fire extinguishing agent, and a storage tray.

[0008] In one embodiment, the extension unit is previously tap-connected to a control panel unit including a power grounding pipe connected to a ground grounding pipe through a tangent terminal point, a fire detection pipe and an external power supply pipe respectively connected to tangent terminal points on a control board, and a box surface including an area fire lamp, an alarm buzzer, a box surface switch, and a manual selection control switch.

[0009] In one embodiment, the extension unit is further tap-connected to an external supply unit of a fire extinguishing agent including a fixed fire extinguishing agent male connector, a solenoid valve to which a pipe of an affiliated controlled source is branched and connected to a tangent terminal point on a control board of the control panel unit, and a fire extinguishing agent external supply pipe.

[0010] In one embodiment, the external movable connector unit further includes a protective cover including a blind cover of a fire extinguishing agent female connector, a fire detection pipe male connector, and a terminator.

[0011] Thereby, when a thermal runaway just starts in the battery compartment of the vehicle chassis, the initial state of the fire can be received and confirmed through the fire detection pipe in the in-vehicle fire extinguishing agent passage unit, and a fire signal can be transmitted to a control board of the control panel unit to activate a solenoid valve and command to discharge the fire extinguishing agent in the external supply unit of the fire extinguishing agent. The discharged fire extinguishing agent can reach the inside of the crack of the battery module in the initial stage of the fire through the fire extinguishing agent external supply pipe, the solenoid valve, the fixed fire extinguishing agent male connector, the external movable fire extinguishing agent female connector, the fire extinguishing agent pipe, the external movable fire extinguishing agent male connector, the fixed fire extinguishing agent conveying female connector, and the in-vehicle fire extinguishing agent passage in sequence, directly spray the fire extinguishing agent to extinguish the fire, and quickly and comprehensively cool the battery compartment preventively to shorten the fire extinguishing time and reduce the usage amount of a large amount of fire extinguishing agent and the disaster loss.

[0012] To achieve the above object, the present invention further provides another embodiment of an emergency alternative device for extinguishing fires in an electric vehicle, including the in-vehicle fire extinguishing agent passage unit and the fixed embedded connector unit of the foregoing embodiment. The fixed embedded connector unit further includes an external movable water pipe male connector, a metal wire with one end tied to the external movable water pipe male connector and the other end tied to a grounded facility, and a movable water pipe with one end connected to the mounting base at the bottom of the external movable water pipe male connector and the other end connected to the mounting base at the bottom of the external movable water pipe female connector, and an external movable connector and a water pipe unit including the external movable water pipe female connector are joined. The external movable connector and the water pipe unit are joined to an external supply unit of a fire extinguishing water source including a male connector, a fire hydrant, and an external supply pipe for the fire extinguishing water source.

[0013] Thus, when a fire breaks out while the vehicle is running on a road or highway, due to the fact that the external movable connector unit of the first embodiment, the extension unit capable of moving all pipes, the control panel unit, and the fire extinguishing agent external supply unit of the fire extinguishing system are not supported, the battery modules in the battery compartment of the electric vehicle will rapidly develop from a single thermal runaway fire state to several thermal runaway fire states. Therefore, it is preferable to adopt an emergency alternative device for extinguishing fires in the electric vehicle for disaster relief, and the method is as follows. On the one hand, tie the metal wire to the external movable water pipe male connector and the grounding facility respectively to eliminate the risk of electric shock to the disaster relief workers. On the other hand, under the condition of a reliable fire extinguishing water source, start the fire hydrant manually to discharge water for fire extinguishing. The discharged water passes through the external supply pipe for the fire extinguishing water source, the fire hydrant, the male connector, the external movable water pipe female connector, the movable water pipe, the external movable water pipe male connector, the fixed female connector for transporting the fire extinguishing agent, and the in-vehicle fire extinguishing agent passage in sequence, reaches the inside of the crack of the ignited battery module, directly sprays water for fire extinguishing, and quickly cools the entire battery compartment comprehensively, shortening the fire extinguishing time and reducing a large amount of fire extinguishing water and disaster losses.

Brief Description of the Drawings

[0014]

Figure 1

Figure 2A

Figure 2B

Figure 3A

Figure 3B

Figure 4A

Figure 4B

Figure 5A

Figure 5B

Figure 6

Figure 7

Modes for Carrying Out the Invention

[0015] Referring to FIG. 1, which is a schematic diagram of a first embodiment of the present invention, an electric vehicle fire extinguishing device 100 disclosed will be described. The electric vehicle fire extinguishing device 100 includes an in-vehicle fire extinguishing agent passage unit 20 and a fixed embedded connector unit 30. The in-vehicle fire extinguishing agent passage unit 20 includes an in-vehicle fire extinguishing agent passage 22. The in-vehicle fire extinguishing agent passage 22 is defined by a staggered passage structure cavity (not shown) originally formed by the gaps between each battery module in the battery compartment and the in-vehicle structure 21 of the electric vehicle (not shown). In other words, the in-vehicle fire extinguishing agent passage 22 is directly converted from the original battery compartment of the electric vehicle and the in-vehicle structure 21. The in-vehicle fire extinguishing agent passage 22 extends to the surface of the in-vehicle structure 21 and is connected to one end of the fixed embedded connector unit 30. In this embodiment, the other end of the fixed embedded connector unit 30 is sequentially connected to an external movable connector unit 40, an extension unit 50 capable of moving all pipes, a control panel unit 60, and an external supply unit 70 of the fire extinguishing agent.

[0016] Referring to FIGS. 2A and 2B together, it is a schematic diagram of the fixed embedded connector unit 30 of the present invention. The fixed embedded connector unit 30 includes a female connector 31 for fixed fire extinguishing agent conveyance, a male connector 32 for fixed power grounding, a male connector 33 for fixed fire detection piping, a cavity 37, and a movable door cover 36. The female connector 31 for fixed fire extinguishing agent conveyance is directly connected to the in-vehicle fire extinguishing agent passage 22. Further, on the annular inner wall of the female connector 31 for fixed fire extinguishing agent conveyance, several movable baffles 31a are provided for locking and unlocking the male connectors connected to each other (to be described in detail later). One end of the male connector 32 for fixed power grounding is directly fixed to the in-vehicle structure 21. A plurality of in-vehicle fire detection pipes 34 introduced into the in-vehicle fire extinguishing agent passage 22 are connected to one end of the male connector 33 for fixed fire detection piping, and terminators 35 are provided at the tails of these in-vehicle fire detection pipes 34. The cavity 37 is provided between the male connector 32 for fixed power grounding and the male connector 33 for fixed fire detection piping, that is, the male connector 32 for fixed power grounding and the male connector 33 for fixed fire detection piping are separated by an embossing method, and a safety distance is formed between them. The door side of the movable door cover 36 is fixed to the in-vehicle structure 21 of the electric vehicle. When operating the fixed embedded connector unit 30 or stopping its use, it can be opened and closed from the other door side. In one embodiment, at least one hinge (not shown) is provided on the door side of the movable door cover 36 to fix the movable door cover 36 to the in-vehicle structure 21.

[0017] Referring to FIGS. 3A and 3B together, it is a schematic diagram of the external movable connector unit 40 of the first embodiment of the present invention. The external movable connector unit 40 includes an external movable male fire extinguishing agent connector 41, an external movable female power grounding connector 42, an external movable female fire detection pipe connector 43, a filling portion 47, and a handle grip 48. The external movable male fire extinguishing agent connector 41 can be joined to or separated from the fixed female fire extinguishing agent conveying connector 31. Here, an outer annular wall of the external movable male fire extinguishing agent connector 41 is provided with a male connector movable ring 41a and a male connector mounting seat 41b. When introducing the external movable male fire extinguishing agent connector 41 into the fixed female fire extinguishing agent conveying connector 31, the movable baffles 31a can be used to lock the male connector mounting seat 41b to achieve the purpose of complete joining. Conversely, when deriving the external movable male fire extinguishing agent connector 41 from the fixed female fire extinguishing agent conveying connector 31, by pressing the male connector movable ring 41a, the movable baffles 31a can be forced to loosen the male connector mounting seat 41b to achieve the purpose of complete separation. The external movable female power grounding connector 42 can be separated from or joined to the fixed male power grounding connector 32. The external movable female fire detection pipe connector 43 can be separated from or joined to the fixed male fire detection pipe connector 33. The filling portion 47 is provided between the external movable female power grounding connector 42 and the external movable female fire detection pipe connector 43. That is, in a filling method, the external movable female power grounding connector 42 and the external movable female fire detection pipe connector 43 are separated to form a safety distance therebetween. And the filling portion 47 can be separated from or joined to the cavity 37.When the handle grip 48 includes a fire extinguishing agent pipe 44 connected to the mounting base at the bottom of the external movable fire extinguishing agent male connector 41, a power grounding pipe 45 connected to the external movable female connector 42 for power grounding, and a fire detection pipe 46 connected to the external movable female connector 43 for fire detection pipes, and the handle grip 48 covers the connection portion between the external movable fire extinguishing agent male connector 41 and the fire extinguishing agent pipe 44, the connection portion between the external movable female connector 42 for power grounding and the power grounding pipe 45, and the connection portion between the external movable female connector 43 for fire detection pipes and the fire detection pipe 46. In one embodiment, the handle grip 48 may be provided between both the fixed embedded connector unit 30 and the external movable connector unit 40, which is an easier, quicker, and simpler operation method when joining or separating them.

[0018] Referring to Fig. 4A, it is a schematic diagram of the extension unit 50 capable of moving all the pipes of the first embodiment of the present invention, the control panel unit 60, and the external supply unit 70 of the fire extinguishing agent. The extension unit 50 receives the pipes extending from the end of the handle grip 48, includes the fire extinguishing agent pipe 44, the power grounding pipe 45, and the fire detection pipe 46, and has a storage tray 51 for storing these extended pipes. The external supply unit 70 of the fire extinguishing agent includes a solenoid valve 71, a fire extinguishing agent external supply pipe 74 communicating with one end of the solenoid valve 71, and a fixed fire extinguishing agent male connector 73 connected to the other end of the solenoid valve 71. The control panel unit 60 is connected to the extension unit 50 and performs the following management on the fire extinguishing agent pipe 44, the power grounding pipe 45, and the fire detection pipe 46. (1) Connect the power grounding pipe 45 to the ground grounding pipe 63 through the connection terminal point 62b inside the box of the control panel unit 60 to ensure that an electric shock accident does not occur in the fire extinguishing device 100 for electric vehicles. (2) Connect the fire detection pipe 46, the external power supply pipe 64, and the pipe 75 of the controlled source 72 of the solenoid valve 71 to the control board 61 through a plurality of corresponding connection terminal points 62a, thereby constructing an automatic monitoring system. (3) Connect the fire extinguishing agent pipe 44 to the mounting base at the bottom pre-fitted to the external movable fire extinguishing agent female connector 53. A plurality of movable baffles 53a for locking and loosening the fixed fire extinguishing agent male connector 73 of the external supply unit 70 of the fire extinguishing agent connected to each other are provided on the annular inner wall of the external movable fire extinguishing agent female connector 53.When introducing the fixed fire extinguishing agent male connector 73 into the internal part of the external movable fire extinguishing agent female connector 53, the male connector mounting seat 73b of the fixed fire extinguishing agent male connector 73 can be locked by using these movable baffles 53a to achieve the purpose of complete joining. Conversely, when withdrawing the fixed fire extinguishing agent male connector 73 from the external movable fire extinguishing agent female connector 53, by pressing the connector movable ring 73a of the fixed fire extinguishing agent male connector 73, these movable baffles 53a can be forced to loosen the connector mounting seat 73b to achieve the purpose of complete separation. The terminal connection point 62a is used for the entry of the fire detection pipe 46, the external power supply pipe 64, and the pipe 75 of the controlled source 72 to the control board 61. The terminal connection point 62b is a protective measure that can guide the sudden abnormal current signal pipe to instantaneously discharge to the ground through the control board 61.

[0019] Also, referring to FIG. 4B at the same time, it is a schematic external view of the control panel units 60, 60a of the first embodiment of the present invention. Here, the automatic monitoring of one fire extinguishing device 100 for an electric vehicle can only be carried out by the control panel unit 60, which is suitable for the environment of a single electric vehicle parking space. In the case of the environment of multiple electric vehicle parking spaces, the control panel unit 60a for centralized management and automatic monitoring is more suitable. Compared with the control panel unit 60, there are more main fire lamps 66a. In addition to the increase in the area fire lamps 66, the corresponding terminal connection points, and the connected pipes according to the number of these electric vehicle parking spaces, both the control panel units 60, 60a include, on the appearance, a box surface 65 for isolating the direct contact between the inside and outside of the box, an alarm buzzer 67, a box surface switch 68 for opening and closing the box surface 65, and a manual selection control switch 69.

[0020] The features and technical solutions of the present invention can only achieve the desired effects when used in combination with the usage method of the present invention. Therefore, as described below, it will be further described in more detail.

[0021] Further referring to FIGS. 5A and 5B simultaneously, it is a schematic diagram when joined to the protective cover of the first embodiment of the present invention and in a standby state, and a schematic diagram when separated from the protective cover. When the electric vehicle fire extinguishing device 100 is in an idle state, since there is no corresponding fixed embedded connector unit 30 that can be connected to the external movable connector unit 40, the external movable connector unit 40 approaches the storage board 51 and contracts the board as much as possible. And when the external movable fire detection pipe female connector 43 is joined to the fixed fire detection pipe male connector 33, in order to ensure that it can be smoothly and electrically connected at any time, the fire detection pipe 46, the external movable fire detection pipe female connector 43, the fixed fire detection pipe male connector 33, and the in-vehicle fire detection pipe 34 are sequentially connected, and an electronic circuit is formed via the terminator 35, and an effective current (fire monitoring current) is held and returned to the control board 61 to receive its automatic monitoring. The external movable connector unit 40 has a protective cover 401 to protect it in order to solve the problem that it is difficult to maintain in a general parking environment. The operation method of the protective cover 401 is as follows. After pressing the handle grip 48 to introduce the external movable fire extinguishing agent male connector 41 into the inside of the blind cover 402 of the fire extinguishing agent female connector, the male connector mounting seat 41b is locked and joined using a plurality of movable baffles 402a, and at the same time, the external movable fire detection pipe female connector 43 also completes the joining with the fire detection pipe male connector 403. Further, a terminator 404 for achieving the function of replacing the terminator 35 is provided at the rear end of the base of the fire detection pipe male connector 403.

[0022] Next, when starting to use the electric vehicle fire extinguishing device 100, the external movable fire extinguishing agent male connector 41 must be detached from the protective cover 401. In this case, press the connector movable ring 41a to force these movable baffles 402a of the blind cover 402 of the fire extinguishing agent female connector to loosen and separate the connector mounting seat 41b. At the same time, pull the handle grip 48 to separate the external movable fire detection pipe female connector 43 and the fire detection pipe male connector 403 from each other to complete the separation.

[0023] On the other hand, after an electric vehicle (not shown) enters the parking space and comes to a standstill, in order to operate the external movable connector unit 40, pull open the movable door cover 36 from the vehicle body, extract the handle grip 48 from the storage tray 51, and then pull all the movable pipes of the extension unit 50 to approach the fixed embedded connector unit 30 all together. The operation method is as follows. Press the handle grip 48 to join the external movable power grounding female connector 42 and the fixed power grounding male connector 32. Further, join the external movable fire detection pipe female connector 43 and the fixed fire detection pipe male connector 33. Also, introduce the external movable fire extinguishing agent male connector 41 into the fixed fire extinguishing agent conveying female connector 31, and use these movable baffles 31a to lock the connector mounting seat 41b to complete the joining.

[0024] When a fire breaks out in the electric vehicle, the in-vehicle fire detection pipe 34 of the fire extinguishing device 100 for the electric vehicle confirms the occurrence of the fire by the way the fire products invade, skips the terminator 35, and directly conducts the in-vehicle fire detection pipe 34. Therefore, through the fixed fire detection pipe male connector 33, the external movable fire detection pipe female connector 43, and the fire detection pipe 46, the original fire monitoring current is suddenly changed to the fire operation current and reported to the control board 61. After that, the area fire lamp 66 begins to brighten, and the alarm buzzer 67 begins to sound (emits an alarm sound), and at this time, it alerts the people near the control panel unit 60 by stimulating their vision and hearing respectively. This person can operate the manual selection control switch 69 manually to select whether to interfere with the automatic control of the control panel unit 60 or leave the automatic control to the control panel unit 60. After a preset time has passed, the control board 61 transmits a power signal to the controlled source 72 through the pipe 75, and orders the normally closed solenoid valve 71 to open the valve. The fire extinguishing agent (for example, water) sequentially passes through the fire extinguishing agent external supply pipe 74, the solenoid valve 71, the fixed fire extinguishing agent male connector 73, the external movable fire extinguishing agent female connector 53, the fire extinguishing agent pipe 44, the external movable fire extinguishing agent male connector 41, the fixed fire extinguishing agent conveying female connector 31, and the in-vehicle fire extinguishing agent passage 22, and finally reaches the inside of the crack of the battery module in the initial stage of the fire, directly injects the fire extinguishing agent to extinguish the fire, and prophylactically cools the entire battery chamber to quickly shorten the fire extinguishing time and reduce the usage amount of the fire extinguishing agent and the disaster loss.

[0025] However, if a fire does not occur in the electric vehicle, the fire extinguishing device 100 for the electric vehicle forms an electronic circuit in which the fire detection pipe 46, the external movable fire detection pipe female connector 43, the fixed fire detection pipe male connector 33, the in-vehicle fire detection pipe 34, and the terminator 35 are interconnected according to the normal monitoring mode, and holds an effective current (fire monitoring current) to continuously reply to the control board 61, continuously automatically monitors the initial-stage fire that may occur at any time, effectively controls the fire extinguishing agent, quickly activates and extinguishes the fire. When the electric vehicle leaves the parking space, the external movable fire extinguishing agent male connector 41 is led out of the fixed fire extinguishing agent conveying female connector 31, the connector movable ring 41a is pressed, and the movable baffles 31a are forced to loosen the connector mounting seat 41b to achieve complete separation. At the same time, by directly pulling out the handle grip 48, the external movable power grounding female connector 42 and the fixed power grounding male connector 32 are completely separated, or the external movable fire detection pipe female connector 43 and the fixed fire detection pipe male connector 33 are forced to be completely separated. Then, when it is confirmed that the fixed embedded connector unit 30 and the external movable connector unit 40 are completely separated, the movable door cover 36 is closed and put into the vehicle body, and the electric vehicle starts to leave, and it can return to the standby mode of the fire extinguishing device 100 for the electric vehicle shown in Fig. 5A again.

[0026] Referring to Fig. 6, it is a schematic diagram of the second embodiment of the present invention, and the differences from the first embodiment are as described below.

[0027] The external movable connector unit 40, the extension unit 50, the control panel unit 60, and the external supply unit 70 of the fire extinguishing agent of the electric vehicle fire extinguishing device 100 according to the present invention are provided at a specific location (for example, a parking space). Therefore, when the electric vehicle leaves the specific location and a fire breaks out in the same scene such as a road or a highway, the external movable connector unit 40, the extension unit 50, the control panel unit 60, and the external supply unit 70 of the fire extinguishing agent are not supported by the fire extinguishing system, whereby the battery modules in the battery compartment of the electric vehicle rapidly develop from a single thermal runaway fire state to a plurality of thermal runaway fire states. In contrast, the second embodiment of this case provides an emergency alternative. In this embodiment, the electric vehicle fire extinguishing device 200 includes an in-vehicle fire extinguishing agent passage unit 20, a fixed embedded connector unit 30, an external movable connector and water pipe unit 240, and an external supply unit 270 of a fire extinguishing water source connected to the external movable connector and water pipe unit 240. The structures of the in-vehicle fire extinguishing agent passage unit 20 and the fixed embedded connector unit 30 are the same as those in the first embodiment, and the detailed description is omitted here. The external movable connector and water pipe unit 240 includes an external movable water pipe male connector 241, a movable water pipe 244, and an external movable water pipe female connector 246, and the external movable connector and water pipe unit 240 further includes a metal wire (for example, a wire) whose one end 245a is tied to the external movable water pipe male connector 241 and the other end 245b is tied to a grounded facility. The external supply unit 270 of the fire extinguishing water source includes a fire extinguishing water source external supply pipe 274 and a fire hydrant 271 connected to the fire extinguishing water source external supply pipe 274.

[0028] Referring to FIGS. 2 and 7 together, FIG. 2 is a schematic diagram of the fixed embedded connector unit of the present invention, and FIG. 7 is a schematic diagram of the external movable connector of the second embodiment of the present invention, the water pipe unit 240, and the external supply unit 270 of the fire fighting water source. When the fire extinguishing device 200 for electric vehicles is already in a fire state, when the rescue worker arrives at the scene, first, in order to achieve the purpose of complete connection, the male connector 273 of the fire hydrant 271 is introduced into the internal of the external movable water pipe female connector 246, and it is necessary to lock the male connector mounting seat 273b of the male connector 273 by using a plurality of movable baffles 246a of the external movable water pipe female connector 246. Then, lift the external movable water pipe male connector 241 tied to one end 245a of the metal wire, and then pull the movable water pipe 244 to move forward toward the fixed embedded connector unit 30, and tie one end 245b of the metal wire to the grounded facilities such as street lights and traffic lights passing by to eliminate the risk of electric shock to people that may occur during fire extinguishing. The movable water pipe 244 can be used to pull the burning electric vehicle away from the external supply unit 270 of the fire fighting water source by a safe rescue distance. The rescue worker can operate another water delivery pipe at the same time, pry it open with a bar while spraying water on the movable door cover 36, and continue to spray water into the vehicle interior fire extinguishing agent passage 22 as much as possible to dissipate heat.After that, aiming at the timing, the external movable water pipe male connector 241 is introduced into the female connector 31 for fixed fire extinguishing agent conveyance, and the male connector mounting seat 241b is locked and joined using these movable baffles 31a. Subsequently, the switch of the fire hydrant 271 is manually turned to open it, and the water source sequentially passes through the external supply pipe 274 for fire extinguishing water source, the fire hydrant 271, the connector 273, the external movable water pipe female connector 246, the movable water pipe 244, the external movable water pipe male connector 241, the female connector 31 for fixed fire extinguishing agent conveyance, and the in-vehicle fire extinguishing agent passage 22, and finally reaches the inside of the burning battery compartment. By directly spraying water, the high-temperature condition of thermal runaway in the battery compartment rapidly disappears. Also, since necessary elements are lacking, combustion itself cannot occur. When using another water delivery pipe to extinguish the remaining fire sources of the electric vehicle, the fire extinguishing time can be significantly shortened, and a large amount of fire extinguishing water and disaster losses can be reduced.

[0029] As described above, after the fire extinguishing is completed, after manually closing the switch of the fire hydrant 271, in order to achieve the purpose of leading the external movable water pipe male connector 241 out of the female connector 31 for fixed fire extinguishing agent conveyance and completely separating them, the movable baffle 31a is forced to loosen the connector mounting seat 241b by pressing the connector movable ring 241a. Next, both ends 245a and 245b of the metal wire are removed. Next, in order to achieve the purpose of leading the connector 273 of the fire hydrant 271 out of the external movable water pipe female connector 246 and completely separating them, the movable baffle 246a is forced to loosen the connector mounting seat 273b by pressing the connector movable ring 273a. Next, the movable water pipe 244, the external movable water pipe male connector 241, and the external movable water pipe female connector 246 are wound up and bundled into a coil shape, thereby restoring both the external movable connector and the water pipe unit 240 and the external supply unit 270 of the fire extinguishing water source to their original states in preparation for the next use.

Explanation of Reference Signs

[0030] 100…Fire extinguishing device for electric vehicle 20…In-vehicle Fire Extinguishing Agent Passage Unit 21…In-vehicle Structure 22…In-vehicle Fire Extinguishing Agent Passage 30…Fixed Embedded Connector Unit 31…Female Connector for Fixed Fire Extinguishing Agent Conveyance 31a…Movable Baffle 32…Male Connector for Fixed Power Grounding 33…Male Connector for Fixed Fire Detection Pipe 34…In-vehicle Fire Detection Pipe 35…Terminator 36…Movable Door Cover 37…Hollow 40…External Movable Connector Unit 401…Protective Cover 402…Blind Cover for Female Connector of Fire Extinguishing Agent 402a…Movable Baffle 403…Male Connector for Fire Detection Pipe 404…Terminator 41…External Male Fire Extinguishing Agent Connector 41a…Male Connector Movable Ring 41b…Connector Mounting Seat 42…External Female Power Grounding Connector 43…External Female Fire Detection Pipe Connector 44…Fire Extinguishing Agent Pipe 45…Power Grounding Pipe 46…Fire Detection Pipe 47…Filling Part 48…Handle Grip 50…Extension Unit for Moving All Pipes 51…Storage Panel 53…External Female Fire Extinguishing Agent Connector 53a…Movable Baffle 60…Control Panel Unit 60a…Control Panel Unit 61…Control Board 62a, 62b…Terminal Connection Points 63…Earth Grounding Pipe 64…External Power Supply Pipe 65…Box Surface 66… Area fire lamp 66a… Main fire lamp 67… Alarm buzzer 68… Box surface switch 69… Manual selection control switch 70… External supply unit of fire extinguishing agent 71… Solenoid valve 72… Controlled source 73… Fixed fire extinguishing agent male connector 73a… Male connector movable ring 73b… Male connector mounting seat 74… Fire extinguishing agent external supply pipe 75… Pipe 200… Fire extinguishing device for electric vehicles 240… External movable connector and water pipe unit 241… External movable water pipe male connector 241a… Male connector movable ring 241b… Male connector mounting seat 244… Movable water pipe 245a, 245b… One end of metal wire 246… External movable water pipe female connector 246a… Movable baffle 270… External supply unit of fire extinguishing water source 271… Fire hydrant 273… Connector 273a… Connector movable ring 273b… Connector mounting seat 274… Fire extinguishing water source external supply pipe

Claims

1. An in-vehicle fire extinguishing agent passage unit including a staggered passage structure cavity originally formed by the gaps between battery modules in a battery compartment and an in-vehicle fire extinguishing agent passage defined by the in-vehicle structure of an electric vehicle, and A fixed embedded connector unit provided on the surface of the vehicle body structure and connected to the in-vehicle fire extinguishing agent passage, the fixed embedded connector unit including a fixed female connector for fire extinguishing agent conveyance, a fixed male connector for electric power grounding, a fixed male connector for fire detection piping, a cavity, and a movable door cover. Here, the fixed female connector for fire extinguishing agent conveyance communicates directly with the in-vehicle fire extinguishing agent passage, and a plurality of movable baffles are provided on the annular inner wall of the fixed female connector for fire extinguishing agent conveyance. The base of the fixed male connector for electric power grounding is directly fixed to the in-vehicle structure. One end of the fixed male connector for fire detection piping is connected to a plurality of in-vehicle fire detection pipes introduced into the in-vehicle fire extinguishing agent passage, and a first terminator is provided at the tail of these in-vehicle fire detection pipes. The cavity is provided between the fixed male connector for electric power grounding and the fixed male connector for fire detection piping to form a safety distance therebetween. A hinge is provided on the door side of the movable door cover to fix the in-vehicle structure of the electric vehicle. When operating or stopping the use of the fixed embedded connector unit, the movable door cover can be opened or closed from the other door side. A fixed embedded connector unit, including A fire extinguishing device for an electric vehicle.

2. An external movable connector unit connected to one end of the fixed embedded connector unit that is not connected to the in-vehicle fire extinguishing agent passage of the fixed embedded connector unit, and An extension unit capable of moving a plurality of pipes connected to one end of the external movable connector unit that is not connected to the fixed embedded connector unit. These pipes include a first pipe portion that needs to rely on automatic control by electric power for automatically monitoring or manually monitoring a fire, controlling fire extinguishing, and eliminating electric shock accidents, and a second pipe portion that needs to rely on the supply of an external fire extinguishing agent for pushing the fire extinguishing agent into the vehicle to extinguish the fire when a fire occurs in the electric vehicle. An extension unit capable of moving a plurality of pipes, including A control panel unit that receives and houses the first pipe portion from the extension unit, and an external supply unit of fire extinguishing agent joined to the second pipe portion, further comprising, The fire extinguishing device for an electric vehicle according to claim 1.

3. The external movable connector unit, including a male connector movable ring and a male connector mounting seat provided corresponding to a plurality of movable baffles of the fixed fire extinguishing agent conveyance female connector for coupling or separating from each other, an external movable fire extinguishing agent male connector; an external movable power grounding female connector provided corresponding to the fixed power grounding male connector for coupling or separating from each other; an external movable fire detection pipe female connector provided corresponding to the fixed fire detection pipe male connector for coupling or separating from each other; a filling portion provided between the external movable power grounding female connector and the external movable fire detection pipe female connector to form a safety distance therebetween, and provided corresponding to the cavity for coupling or separating from each other; a handle grip including a fire extinguishing agent pipe connected to a mounting base at the bottom of the external movable fire extinguishing agent male connector, a power grounding pipe connected to the external movable power grounding female connector, and a fire detection pipe connected to the external movable fire detection pipe female connector, wherein the handle grip is covered at a joint portion between the external movable fire extinguishing agent male connector and the fire extinguishing agent pipe, a joint portion between the external movable power grounding female connector and the power grounding pipe, and a joint portion between the external movable fire detection pipe female connector and the fire detection pipe, and here, the handle grip is provided for a user's operation to join or separate the fixed embedded connector unit and the external movable connector unit, a handle grip, including, The fire extinguishing device for an electric vehicle according to claim 2.

4. When the external movable connector unit further includes a protective cover, the protective cover is connected to the external movable connector unit to protect the external movable connector unit when the external movable connector unit is not connected to the fixed embedded connector unit. Here, the protective cover includes a blind cover of the fire extinguishing agent female connector, a male connector of the fire detection pipe, and a second terminator. The blind cover of the fire extinguishing agent female connector includes a plurality of movable baffles, and these movable baffles are provided corresponding to the connector mounting seat and the connector movable ring of the external movable fire extinguishing agent male connector for coupling or separating from each other. The male connector of the fire detection pipe is provided corresponding to the external movable fire detection pipe female connector for coupling or separating from each other. The second terminator is provided at the base rear end of the male connector of the fire detection pipe. The fire extinguishing device for an electric vehicle according to claim 3.

5. When the extension unit receives the fire extinguishing agent pipe, the power grounding pipe, and the fire detection pipe from the end of the handle grip, the extension unit includes a storage tray and an external movable fire extinguishing agent female connector. The storage tray stores the fire extinguishing agent pipe, the power grounding pipe, and the fire detection pipe. The fire extinguishing agent pipe is fitted into the mounting base at the bottom of the external movable fire extinguishing agent female connector. The external movable fire extinguishing agent female connector includes a plurality of movable baffles, and these movable baffles are provided corresponding to the connector mounting seat and the connector movable ring of the fixed fire extinguishing agent male connector of the external supply unit of the fire extinguishing agent for coupling or separating from each other. The fire extinguishing device for an electric vehicle according to claim 3.

6. When the control panel unit includes a box surface, a box surface switch for opening and closing the box surface, an area fire lamp that lights up when a fire occurs in the electric vehicle, an alarm buzzer that emits an alarm sound when a fire occurs in the electric vehicle, a control board for performing functions such as fire detection, fire extinguishing control, operation of whether to manually intervene, and related protection measures after receiving a current signal, a connection terminal point provided for the entry of the fire detection pipe, the external power supply pipe, and the pipe of the controlled source of the solenoid valve to the control board, and a manual selection control switch provided for the user to manually interfere with the automatic control of the control board. The fire extinguishing device for an electric vehicle according to claim 2.

7. The external supply unit of the fire extinguishing agent includes an external supply pipe for the fire extinguishing agent that is always filled with the fire extinguishing agent inside, a solenoid valve that communicates with the external supply pipe for the fire extinguishing agent, includes a controlled source having a pipe, and the pipe receives a power signal from the control board, transmits it to the controlled source, opens and closes the solenoid valve, and thereby controls whether to output the fire extinguishing agent. and a fixed male connector for the fire extinguishing agent including a male connector mounting seat and a male connector movable ring provided corresponding to these movable baffles of the external movable female connector for the fire extinguishing agent of the extension unit to couple or separate from each other. The fire extinguishing device for an electric vehicle according to claim 2.

8. an external movable connector and a water pipe unit connected to one end of the in-vehicle fire extinguishing agent passage of the fixed embedded connector unit that is not connected, and an external supply unit of a fire extinguishing water source connected to the external movable connector and the water pipe unit for sending fire extinguishing water when a fire occurs in the electric vehicle. The fire extinguishing device for an electric vehicle according to claim 1.

9. The external movable connector and the water pipe unit include an external movable water pipe male connector including a male connector mounting seat and a male connector movable ring provided corresponding to these movable baffles of the fixed fire extinguishing agent conveying female connector to couple or separate from each other. a metal wire with one end tied to the external movable water pipe male connector and the other end tied to a grounded facility, and a movable water pipe with one end fitted into a mounting base at the bottom of the external movable water pipe male connector. It includes a bottom mounting base fitted to the other end of the movable water pipe, and a plurality of movable baffles. In order to couple or separate from each other, an external female connector for a movable water pipe is provided corresponding to the male connector mounting seat and the male connector movable ring of the fire hydrant of the external supply unit of the fire fighting water source. The fire extinguishing device for an electric vehicle according to claim 8.

10. The external supply unit of the fire fighting water source is A fire hydrant including a male connector including a male connector mounting seat and a male connector movable ring provided corresponding to the plurality of movable baffles of the external female connector for a movable water pipe in order to couple or separate from each other. A fire fighting water source external supply pipe that is always filled with the fire fighting water in order to be prepared to extrude the water source at any time for fire extinguishing. The fire extinguishing device for an electric vehicle according to claim 8.

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