Electric vehicle fire demonstration device

Abstract

The utility model discloses a fire demonstration device for an electric vehicle. The fire demonstration device comprises an electric vehicle body and a main controller, the main controller is arranged in a battery compartment of the electric vehicle body; a lamp strip, an electric arc generator, a smoke generator and a flame effector are arranged on the electric vehicle body; the lamp strip, the arc generator, the smoke generator and the flame effector are all connected with the main controller through the communication module. And the trend of current and the reason and process of explosion and fire during operation of the electric vehicle are visually displayed, so that an experiencer is warned of potential fire risks of the electric vehicle.

Description

Technical Field

[0001] The utility model relates to the technical field of fire demonstration devices, and more particularly to an electric vehicle fire demonstration device. Background Art

[0002] At present, electric vehicles have become an important means of transportation for the general public due to their convenience and environmental friendliness. As a result, the frequent occurrence of electric vehicle fire accidents not only poses a serious threat to people’s lives and property safety, but also has an impact on social public security and order that cannot be ignored.

[0003] However, the electric vehicle fire accident demonstration tests currently on the market are mostly based on accident case education, legal and regulatory education, and simple demonstrations of physical vehicles. They cannot intuitively understand the causes and processes of electric vehicle explosions and fires, nor can they understand the direction of current when the electric vehicle is running.

[0004] Therefore, how to intuitively display the direction of current, the causes and processes of explosions and fires when electric vehicles are running is an urgent problem that technicians in this field need to solve. Utility Model Content

[0005] In view of this, the present invention provides an electric vehicle fire demonstration device, which intuitively displays the direction of current, the cause and process of explosion and fire when the electric vehicle is running, so as to warn the experiencer of the potential fire risk of the electric vehicle.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] An electric vehicle fire demonstration device comprises an electric vehicle body and a main controller;

[0008] The main controller is arranged in the battery compartment of the electric vehicle body;

[0009] The electric vehicle body is provided with a light strip, an arc generator, a smoke generator and a flame effect device;

[0010] The light strip, the arc generator, the smoke generator and the flame effect device are all connected to the main controller via a communication module.

[0011] Preferably, the light strip is a marquee light strip, which is arranged on the frame of the electric vehicle body and on the outside of the rear wheel.

[0012] Preferably, the arc generator is arranged on the vehicle frame behind the battery compartment;

[0013] The smoke generator and the flame effect device are both arranged in the battery compartment.

[0014] Preferably, the flame effect device adopts an LED flash light.

[0015] Preferably, a plurality of openings are provided at the bottom of the battery compartment, and the cover of the battery compartment is made of acrylic light-transmitting material.

[0016] Preferably, it further includes: an audio player, which is arranged above the cover and connected to the main controller through the communication module, and is used for playing the recorded explosion audio and explanation audio.

[0017] Preferably, it further comprises a rotating exhibition stand, which comprises: an upper exhibition board, a rotating mechanism and a lower shell;

[0018] A shielding screen is provided in the middle position above the upper display board;

[0019] The electric vehicle body is arranged on one side of the shielding screen of the upper display panel;

[0020] The upper display plate is fixedly connected to the rotating mechanism;

[0021] The rotating mechanism is arranged in the lower shell and is rotatably connected to the lower shell.

[0022] Preferably, the rotating mechanism comprises: a main body support structure, a gear plate, a speed regulating motor, a motor controller, a stabilizing wheel set and a rotating shaft;

[0023] The main support structure is fixedly connected to the upper display panel;

[0024] The gear plate is fixedly arranged below the main support structure;

[0025] The speed regulating motor is drivingly connected to the gear plate;

[0026] The motor controller is connected to the speed regulating motor and the main controller respectively;

[0027] One end of the rotating shaft is fixedly connected to the lower housing, and the other end is rotatably connected to the gear plate;

[0028] The stabilizing wheel set is located below the gear plate and is fixed on the rotating shaft, and is also connected to the main supporting structure.

[0029] Preferably, a post-combustion electric car model is provided on the upper display panel on the other side of the shielding screen.

[0030] Preferably, different tram shed background images are respectively provided on both sides of the shielding screen.

[0031] Through the above technical solutions, it can be seen that compared with the prior art, the present invention discloses an electric vehicle fire demonstration device, which vividly demonstrates the working principle of the electric vehicle and the direction of the current by setting a light strip, so that the experiencer has a clear understanding of the electric vehicle circuit structure; at the same time, through equipment such as smoke machines, lights and sounds, it simulates the explosion and combustion phenomenon caused by the ignition of the circuit due to overcharging of the electric vehicle and the aging short circuit of the electric vehicle line, thereby warning the experiencer of the potential fire risk of the electric vehicle, and has the following beneficial effects:

[0032] 1. This device uses an audio player to play explanations of the causes of fire and the corresponding hazards during the demonstration, further deepening the experiencer's understanding of the causes of electric vehicle fires and the hazards of electric vehicle fires, so that the experiencer pays attention to the use of electric vehicles in daily life and reduces the occurrence of electric vehicle fires.

[0033] 2. The device rotates along with the demonstration process: intact - explosion and fire - burning through a rotating stand, and automatically rotates to complete the device reset after a predetermined time to avoid affecting the demonstration effect.

[0034] 3. Wide range of applications: This device is suitable for any safety education venue for life safety demonstrations. It can help users understand the severity of electric vehicle accidents, enhance prevention awareness, and minimize the occurrence of accidents.

[0035] 4. Safe and reliable: This device uses low-voltage accessories and electronic devices to simulate actual effects, and will not produce open flames.

[0036] 5. Easy maintenance: The device adopts modular design, which greatly facilitates future maintenance and troubleshooting. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are merely embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying any creative work.

[0038] Figure 1 This is a structural schematic diagram of an electric vehicle fire demonstration device provided in Example 1 of the utility model.

[0039] Figure 2 This is a structural schematic diagram of an electric vehicle fire demonstration device provided in Example 2 of the present utility model.

[0040] Figure 3 This is a schematic diagram of the battery compartment structure provided by the utility model.

[0041] Figure 4This is a schematic diagram of the rotating exhibition stand structure provided by the utility model.

[0042] Figure 5 This is a schematic top view of the rotating mechanism structure provided by the utility model.

[0043] Figure 6 This is a side view schematic diagram of the rotating mechanism structure provided by the utility model.

[0044] Figure 1: 1-electric vehicle body, 111-frame, 112-rear wheel, 2-main controller, 3-battery compartment, 4-light strip, 5-arc generator, 6-smoke generator, 7-flame effector, 8-communication module, 9-audio player, 10-rotating stand, 101-upper display board, 102-rotating mechanism, 1021-main support structure, 1022-gear plate, 1023-speed regulating motor, 1024-motor controller, 1025-stabilizing wheel set, 1026-rotating shaft, 1027-wire outlet hole, 103-lower shell, 11-shielding screen, 12-electric vehicle model after combustion. DETAILED DESCRIPTION

[0045] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0046] Example 1

[0047] like Figure 1 As shown, the embodiment of the utility model discloses an electric vehicle fire demonstration device, comprising an electric vehicle body 1 and a main controller 2;

[0048] The main controller 2 is arranged in the battery compartment 3 of the electric vehicle body 1;

[0049] The electric vehicle body is provided with a light strip 4, an arc generator 5, a smoke generator 6 and a flame effect device 7;

[0050] The light strip 4 , the arc generator 5 , the smoke generator 6 and the flame effect device 7 are all connected to the main controller 2 via the communication module 8 .

[0051] Example 2

[0052] The embodiment of the utility model discloses an electric vehicle fire demonstration device, comprising an electric vehicle body 1 and a main controller 2;

[0053] like Figure 2-Figure 3 As shown, the main controller 2 is arranged in the battery compartment 3 of the electric vehicle body 1.

[0054] The light strip 4, arc generator 5, smoke generator 6 and flame effect device 7 are all connected to the main controller 2 through the communication module 8; the main controller 2 is used to receive external control signals and control the operation of the light strip 4, arc generator 5, smoke generator 6 and flame effect device 7 based on the external control signals.

[0055] Preferably, the light strip 4 , the arc generator 5 , the smoke generator 6 and the flame effect device 7 are directly connected to the main controller 2 via lines.

[0056] The electric vehicle body is provided with a light strip 4, an arc generator 5, a smoke generator 6 and a flame effect device 7.

[0057] Preferably, the light strip 4 is a marquee light strip, which is arranged on the frame 111 of the electric vehicle body 1 and outside the rear wheel 112 .

[0058] Preferably, by providing a light strip 4 and gradually lighting it up according to the control signal sent by the main controller 2, it is used to simulate the current flow when the electric vehicle is running, thereby demonstrating the working principle of the electric vehicle.

[0059] Preferably, the arc generator 5 is arranged on the vehicle frame behind the battery compartment 3 to generate an arc to simulate a short-circuit arc discharge.

[0060] Preferably, the basic principle of the arc generator 5 is to establish an electric field between two electrodes through a high-voltage power supply. When the voltage reaches a certain value, the air gap is broken down, forming an arc discharge.

[0061] Preferably, the smoke generator 6 and the flame effect device 7 are both arranged in the battery compartment 3.

[0062] Preferably, the smoke generator 6 is used to generate smoke to simulate the state of the electric vehicle after it catches fire. In this embodiment, the smoke generator 6 uses ethylene glycol stage smoke as the smoke agent.

[0063] Preferably, the working principle of the smoke generator 6 is to heat a special smoke agent or liquid to evaporate it into smoke or mist. These smoke agents or liquids are safe and non-toxic and can be dispersed quickly without leaving any residue.

[0064] Preferably, the flame effect device 7 adopts an LED flashing light, which flashes rapidly in a short period of time to produce a strong light effect, so as to simulate the flame of a battery fire.

[0065] Preferably, a plurality of openings are provided at the bottom of the battery compartment 3 for discharging the smoke generated by the smoke generator 6, thereby simulating the state after the battery is partially on fire; the cover of the battery compartment 3 is made of acrylic translucent material, which can achieve the perspective effect of the LED flashing light, thereby simulating the flame of the battery fire.

[0066] Preferably, it also includes: an audio player 9, which is arranged above the cover of the battery compartment 3 and is connected to the main controller 2 through the communication module 8, and is used to play the recorded explosion audio and explanation audio.

[0067] Preferably, the explanation audio is pre-recorded and includes at least: audio explaining the working principle of electric vehicles, audio explaining the causes and hazards of electric vehicle overcharging fires, audio explaining the causes and hazards of electric vehicle line aging and short circuit fires, and audio explaining how to deal with fires when they occur.

[0068] Preferably, the audio player 9 records multiple audio clips, among which: explosion audio is recorded before the audio explaining the causes and hazards of electric vehicle overcharging fire, and explosion audio is recorded before the audio explaining the causes and hazards of electric vehicle line aging short circuit fire; no explosion audio is recorded before the audio explaining the working principle of electric vehicle operation and the audio explaining the treatment method when a fire occurs.

[0069] Preferably, Figure 4 As shown, it also includes a rotating display stand 10, which includes: an upper display panel 101, a rotating mechanism 102 and a lower shell 103;

[0070] A shielding screen 11 is provided in the middle position above the upper display panel 101;

[0071] The electric vehicle body 1 is arranged on one side of the shielding screen 11 of the upper display panel 101;

[0072] The upper display panel 101 is fixedly connected to the rotating mechanism 102;

[0073] The rotating mechanism 102 is disposed in the lower housing 103 and is rotatably connected to the lower housing 103 .

[0074] Preferably, the lower shell 103 is a cylindrical shell without a top cover, and the diameter of the lower shell 103 is larger than the diameter of the upper display panel 101 .

[0075] Preferably, the shielding screen 11 is used to divide the demonstration area of ​​the rotating booth 10 .

[0076] Preferably, different tram shed background images are respectively provided on both sides of the shielding screen 11 .

[0077] Preferably, Figure 5-Figure 6 As shown, the rotating mechanism 102 includes: a main support structure 1021, a gear plate 1022, a speed regulating motor 1023, a motor controller 1024, a stabilizing wheel set 1025 and a rotating shaft 1026;

[0078] The main support structure 1021 is fixedly connected to the upper display panel 101;

[0079] The gear plate 1022 is fixedly arranged below the main support structure 1021;

[0080] The speed regulating motor 1023 is drivingly connected to the gear plate 1022;

[0081] The motor controller 1024 is connected to the speed regulating motor 1023 and the main controller 2 respectively;

[0082] One end of the rotating shaft 1026 is fixedly connected to the lower housing 103, and the other end is rotatably connected to the gear plate 1022;

[0083] The stabilizing wheel assembly 1025 is located below the gear plate 1022 and is fixed on the rotating shaft 1026 , and is also supported and connected to the main support structure 1021 .

[0084] Preferably, the motor controller 1024 is further connected to a delay controller, and the delay controller is used to control the motor controller 1024 after a predetermined time, thereby controlling the rotating display stand 10 to rotate and complete the reset.

[0085] Preferably, the stabilizing wheel set 1025 is used to support and maintain the stability of the main support structure 1021, which includes: a peripheral frame and rollers;

[0086] The peripheral frame is formed by a plurality of cross-connected rods, and the center of the frame is fixed on the rotating shaft 1026, so that the stabilizing wheel set 1025 moves synchronously with the rotation of the rotating shaft 1026;

[0087] The rollers are arranged on the peripheral frame and are supported and connected to the main support structure 1021;

[0088] Preferably, the peripheral frame of this embodiment adopts a square frame, and the rollers are set on the four corners of the square frame, and are supported and slidably connected to the main support structure 1021.

[0089] Preferably, a wire outlet hole 1027 is reserved in the middle position of the main support structure 1021 and the gear plate 1022. The rotating shaft 1026 is a hollow structure corresponding to the wire outlet hole 1027. The wire outlet hole 1027 is used for wires to pass through to connect to an external power supply to power all devices, and is also used to pass through the connecting line between the motor controller 1024 and the main controller 2.

[0090] Preferably, a post-combustion electric vehicle model 12 is provided on the upper display panel 101 on the other side of the shielding screen 11 .

[0091] Preferably, the post-combustion electric vehicle model 12 is used to show the experiencer the effect of the electric vehicle after combustion, and the sharp contrast between the post-combustion electric vehicle model 12 and the electric vehicle body 1 is enhanced to alert the experiencer.

[0092] Preferably, a shielding screen 11 on one side of the electric vehicle body 1 is provided with a charging shed background, so that the electric vehicle body 1 is integrated into the usage scene; and a shielding screen 11 on the side of the burned electric vehicle model 12 is provided with a charging shed background caused by fire, so that the burned electric vehicle model 12 is integrated into the usage scene. The shielding screen 11 divides the demonstration area, showing the electric vehicle in different environmental background states, giving the experiencer a distinct experience.

[0093] Example 3

[0094] This utility model is an electric vehicle fire demonstration device, which demonstrates the working principle of the electric vehicle operation principle:

[0095] The main controller 2 receives an external control signal to control the light strip 4 to light up gradually. First, the light strip 4 set on the frame 111 of the electric vehicle body 1 lights up in sequence, which is used to simulate the current direction from the tram key to the tram controller, the current direction from the tram switch to the tram controller, and the current direction from the tram controller to the rear wheel motor. Then, the light strip 4 set on the outside of the rear wheel 112 lights up in sequence to simulate the rotation of the electric wheel, demonstrating the working principle of the electric vehicle. During the demonstration, the main controller 2 controls the audio player 9 to play audio explaining the working principle of the electric vehicle.

[0096] The utility model is an electric vehicle fire demonstration device, and the working principle of the electric vehicle battery overcharge demonstration is as follows:

[0097] The demonstration point is set in the battery compartment 3. The main controller 2 receives an external control signal to control the smoke generator 6 to generate smoke, and controls the flame effector 7 to flash and emit light to simulate the flame of a battery fire, thereby simulating the state of an electric vehicle after a fire. At the same time, the main controller 2 controls the audio player 9 to play an explosion audio. After the explosion audio is played, an audio explaining the causes and hazards of electric vehicle overcharging fire is played;

[0098] When the demonstration is over, the main controller 2 sends a rotation control signal to the motor controller 1024, and the motor controller 1024 controls the speed regulating motor 1023 to operate. The operation of the speed regulating motor 1023 drives the gear plate 1022 to rotate, and then drives the main support structure 1021 to rotate. The rotation of the main support structure 1021 drives the upper display board 101 to rotate, turning the part where the electric vehicle body 1 is placed away from the experiencer and the other space towards the experiencer, showing the experiencer the electric vehicle model 12 after burning. At the same time, the main controller 2 controls the audio player 9 to play audio explaining how to deal with fire.

[0099] After the preset time, the delay controller sends a reset rotation signal to the motor controller 1024, and the motor controller 1024 controls the speed regulating motor 1023 to operate. The operation of the speed regulating motor 1023 drives the gear plate 1022 to rotate and then drives the main support structure 1021 to rotate. The rotation of the main support structure 1021 drives the upper display panel 101 to rotate in the opposite direction, thereby controlling the rotation of the rotating display stand 10 to complete the reset.

[0100] This utility model is an electric vehicle fire demonstration device, which can demonstrate the fire caused by aging of electric vehicle circuits. Working principle:

[0101] The demonstration points are set on the battery compartment 3 and the vehicle frame behind the battery compartment 3. The main controller 2 receives an external control signal and first controls the arc generator 5 to generate an arc to simulate a short-circuit arc discharge; then controls the smoke generator 6 to generate smoke and controls the flame effector 7 to flash and emit light to simulate the flame of a battery fire, thereby simulating the state of an electric vehicle after a fire. At the same time, the main controller 2 controls the audio player 9 to play an explosion audio. After the explosion audio is played, an audio explaining the causes and hazards of a fire caused by aging short circuits in electric vehicle lines is played.

[0102] When the demonstration is over, the main controller 2 sends a rotation control signal to the motor controller 1024, and the motor controller 1024 controls the speed regulating motor 1023 to operate. The operation of the speed regulating motor 1023 drives the gear plate 1022 to rotate, and then drives the main support structure 1021 to rotate. The rotation of the main support structure 1021 drives the upper display board 101 to rotate, turning the part where the electric vehicle body 1 is placed away from the experiencer and the other space towards the experiencer, showing the experiencer the electric vehicle model 12 after burning; at the same time, the main controller 2 controls the audio player 9 to play audio explaining how to deal with the fire;

[0103] After the preset time, the delay controller sends a reset rotation signal to the motor controller 1024, and the motor controller 1024 controls the speed regulating motor 1023 to operate. The operation of the speed regulating motor 1023 drives the gear plate 1022 to rotate and then drives the main support structure 1021 to rotate. The rotation of the main support structure 1021 drives the upper display panel 101 to rotate in the opposite direction, thereby controlling the rotation of the rotating display stand 10 to complete the reset.

[0104] Through the above technical solutions, it can be seen that compared with the prior art, the present invention discloses an electric vehicle fire demonstration device, which vividly demonstrates the working principle of the electric vehicle and the direction of the current by setting a light strip, so that the experiencer has a clear understanding of the electric vehicle circuit structure; at the same time, through equipment such as smoke machines, lights and sounds, it simulates the explosion and combustion phenomenon caused by the ignition of the circuit due to overcharging of the electric vehicle and the aging short circuit of the electric vehicle line, thereby warning the experiencer of the potential fire risk of the electric vehicle, and has the following beneficial effects:

[0105] 1. This device uses an audio player to play explanations of the causes of fire and the corresponding hazards during the demonstration, further deepening the experiencer's understanding of the causes of electric vehicle fires and the hazards of electric vehicle fires, so that the experiencer pays attention to the use of electric vehicles in daily life and reduces the occurrence of electric vehicle fires.

[0106] 2. The device rotates along with the demonstration process: intact - explosion and fire - burning through a rotating stand, and automatically rotates to complete the device reset after a predetermined time to avoid affecting the demonstration effect.

[0107] 3. Wide range of applications: This device is suitable for any safety education venue for life safety demonstrations. It can help users understand the severity of electric vehicle accidents, enhance prevention awareness, and minimize the occurrence of accidents.

[0108] 4. Safe and reliable: This device uses low-voltage accessories and electronic devices to simulate actual effects, and will not produce open flames.

[0109] 5. Easy maintenance: The device adopts modular design, which greatly facilitates future maintenance and troubleshooting.

[0110] The various embodiments in this specification are described in a progressive manner, with each embodiment focusing on the differences from other embodiments. Reference can be made to the common and similar parts between the various embodiments. For the devices disclosed in the embodiments, since they correspond to the methods disclosed in the embodiments, the description is relatively simple, and the relevant parts can be referred to the method description.

[0111] The above description of the disclosed embodiments will enable one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not limited to the embodiments shown herein but is intended to conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An electric vehicle fire demonstration device, characterized in that: Including electric vehicle body and main controller; The main controller is arranged in the battery compartment of the electric vehicle body; The electric vehicle body is provided with a light strip, an arc generator, a smoke generator and a flame effect device; The light strip, the arc generator, the smoke generator and the flame effect device are all connected to the main controller via a communication module; The light strip is a marquee light strip, which is arranged on the frame of the electric vehicle body and the outer side of the rear wheel; The arc generator is arranged on the vehicle frame behind the battery compartment; The smoke generator and the flame effect device are both arranged in the battery compartment.

2. An electric vehicle fire demonstration device according to claim 1, characterized in that: The flame effect device adopts an LED flash light.

3. The electric vehicle fire demonstration device according to claim 1, characterized in that: The bottom of the battery compartment is provided with a plurality of openings, and the cover of the battery compartment is made of acrylic light-transmitting material.

4. An electric vehicle fire demonstration device according to claim 3, characterized in that: Also includes: An audio player is arranged above the cover plate and connected to the main controller through the communication module, and is used for playing the recorded explosion audio and explanation audio.

5. The electric vehicle fire demonstration device according to claim 1, characterized in that: Also included is a rotating exhibition stand, which includes: an upper exhibition board, a rotating mechanism and a lower shell; A shielding screen is provided in the middle position above the upper display board; The electric vehicle body is arranged on one side of the shielding screen of the upper display panel; The upper display plate is fixedly connected to the rotating mechanism; The rotating mechanism is arranged in the lower shell and is rotatably connected to the lower shell.

6. The electric vehicle fire demonstration device according to claim 5, characterized in that: The rotating mechanism includes: a main body support structure, a gear plate, a speed regulating motor, a motor controller, a stabilizing wheel set and a rotating shaft; The main support structure is fixedly connected to the upper display panel; The gear plate is fixedly arranged below the main support structure; The speed regulating motor is drivingly connected to the gear plate; The motor controller is connected to the speed regulating motor and the main controller respectively; One end of the rotating shaft is fixedly connected to the lower housing, and the other end is rotatably connected to the gear plate; The stabilizing wheel set is located below the gear plate and is fixed on the rotating shaft, and is also connected to the main supporting structure.

7. The electric vehicle fire demonstration device according to claim 5, characterized in that: A post-combustion electric car model is provided on the upper display panel on the other side of the shielding screen.

8. The electric vehicle fire demonstration device according to claim 5, characterized in that: Different tram shed background images are respectively arranged on both sides of the shielding screen.

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