Automatic fire blocking device for chassis of new energy electric vehicle

Abstract

The utility model belongs to the technical field of new energy electric automobile accessories, and relates to a new energy electric automobile chassis automatic fire blocking device which comprises a base, a fireproof curtain is arranged on the base in a rolling mode, and a gravity rod for driving the fireproof curtain to fall is horizontally arranged at the bottom of the fireproof curtain. The base is provided with a pair of positioning devices for fixing and releasing the gravity rod, the positioning devices are separately connected with the two ends of the gravity rod respectively and controlled by the sensor module to act, and the positioning devices and the sensor module are electrically connected with the power supply unit. According to the chassis automatic fire blocking device of the new energy electric automobile, serious harm caused by fire catching of the new energy electric automobile can be relieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of new energy electric vehicle accessories, and relates to a chassis automatic fire extinguishing device for new energy electric vehicles. Background Art

[0002] The main component of an electric vehicle, the lithium battery, has many faults such as short - circuit combustion, and the combustion speed is fast, it does not require oxygen for combustion, and the explosion and splashing during the combustion process will cause the spread of fire. Its spread path spreads downward and outward from the battery pack at the chassis. When it spreads outside the vehicle, it may cause the surrounding environment or other electric vehicles to catch fire. When it continues to spread to the driver's cab, it will cause serious casualties to the driver and passengers. In view of this, it is necessary to develop a chassis automatic fire extinguishing device for new energy electric vehicles to reduce the serious harm caused by the fire of new energy electric vehicles. Summary of the Utility Model

[0003] Aiming at the deficiencies of the prior art, the utility model provides a chassis automatic fire extinguishing device for new energy electric vehicles, which can reduce the serious harm caused by the fire of new energy electric vehicles.

[0004] To solve the above - mentioned technical problems, the purpose of the utility model is achieved through the following technical solutions:

[0005] A chassis automatic fire extinguishing device for new energy electric vehicles includes a base, a fire - proof curtain is wound on the base, a gravity rod for driving the fire - proof curtain to fall is horizontally arranged at the bottom of the fire - proof curtain, a pair of positioning devices for fixing and releasing the gravity rod are arranged on the base, the positioning devices are respectively detachably connected to both ends of the gravity rod and their actions are controlled by a sensor module, and the positioning devices and the sensor module are both electrically connected to a power supply unit.

[0006] In the above - mentioned chassis automatic fire extinguishing device for new energy electric vehicles, the positioning device is selected from an electromagnetic lock, an electromagnetic release, a pneumatic support device, a hydraulic support device or a motor.

[0007] Preferably, in the above - mentioned chassis automatic fire extinguishing device for new energy electric vehicles, the positioning device is an electromagnetic lock, a sliding rod of the electromagnetic lock is detachably connected to the gravity rod, and the sliding rod controls the fixing and releasing of the gravity rod through telescopic movement.

[0008] Furthermore, the gravity rod and the sliding rod are connected through a connecting sleeve, first and second connecting holes are respectively arranged at both ends of the connecting sleeve, the gravity rod is fixedly connected to the inner first connecting hole, and the sliding rod is detachably and slidably connected to the outer second connecting hole; the sliding rod, the connecting sleeve and the gravity rod are coaxially arranged.

[0009] Alternatively, further, the gravity rod and the sliding rod are connected via a connecting column, a third connecting hole is provided on the outer side of the upper end of the connecting column, a fourth connecting hole is provided on the inner side of the lower end, the gravity rod is fixedly connected to the third connecting hole, and the sliding rod is detachably connected to the fourth connecting hole; the sliding rod and the gravity rod are arranged up and down.

[0010] In the above-mentioned automatic fire blocking device for the chassis of a new energy electric vehicle, the power supply unit meets the power supply requirements of the sensor module and the positioning device, and can be an independent power supply unit or a rechargeable power supply unit. Preferably, the power supply unit is a lead-acid battery.

[0011] In the above-mentioned automatic fire blocking device for the chassis of a new energy electric vehicle, the material of the fire curtain is a high temperature and fire resistant flexible material; further, the material of the fire curtain is selected from fiber fireproof cloth, asbestos flame retardant cloth or fireproof vacuum silicon, for example, high temperature and fire resistant basalt fireproof cloth, ceramic fiber fireproof cloth and asbestos flame retardant cloth.

[0012] In the above-mentioned automatic fire blocking device for the chassis of a new energy electric vehicle, the sensor module includes a sensor and a relay, and the sensor is selected from one or more combinations of a smoke sensor, a flame sensor and a temperature sensor. Preferably, the sensor is a flame detector module.

[0013] In the above-mentioned automatic fire blocking device for the chassis of a new energy electric vehicle, the relay is connected to an alarm transmitting module, and the alarm transmitting module is remotely received by a mobile phone; when a fire occurs, the alarm signal can be received through the mobile phone.

[0014] In the above-mentioned automatic chassis fire stop device of a new energy electric vehicle, the automatic chassis fire stop device is installed at the side skirt, the pedal or the battery pack.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] 1. The utility model provides an automatic fire-blocking device for the chassis of a new energy electric vehicle. When a fire occurs, the fire curtain can be automatically lowered to separate the internal space under the chassis and the external space outside the electric vehicle to prevent the fire from spreading to the outside and the driving room. It can increase the escape time of the driver and passengers, facilitate rescue operations in the event of a fire, and reduce the threat to the surrounding environment and facilities.

[0017] 2. According to different vehicle models, the utility model provides fire-blocking devices of various structures and installation structures of various fire-blocking devices, so that it can be adapted to various vehicle models and improve the versatility of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1It is a schematic structural diagram of the present utility model;

[0019] Figure 2 It is a structural installation diagram of the positioning device in Embodiment 1;

[0020] Figure 3 It is a structural installation diagram of the positioning device in Embodiment 2;

[0021] Reference numerals: 1, base; 2, fireproof curtain; 3, gravity rod; 4, positioning device; 5, sensor module; 6, power supply unit; 7, sliding rod; 8, connecting sleeve; 9, first connection hole; 10, second connection hole; 11, connecting column; 12, third connection hole; 13, fourth connection hole. Detailed implementation manners

[0022] The present utility model will be further described below with specific embodiments in conjunction with the accompanying drawings. Refer to Figures 1-3 :

[0023] A chassis automatic fire extinguishing device for a new energy electric vehicle includes a base 1, a fireproof curtain 2 is wound on the base 1, a gravity rod 3 for driving the fireproof curtain 2 to fall is horizontally arranged at the bottom of the fireproof curtain 2, a pair of positioning devices 4 for fixing and releasing the gravity rod 3 are arranged on the base 1, the positioning devices 4 are respectively detachably connected to both ends of the gravity rod 3 and their actions are controlled by a sensor module 5, and both the positioning device 4 and the sensor module 5 are electrically connected to a power supply unit 6.

[0024] Refer to the attached Figure 1 , after the battery of the new energy electric vehicle catches fire, the sensor on the sensor module 5 receives a signal, triggers the relay on the sensor module 5, the relay controls the positioning device 4 to act, the positioning device 4 disconnects from both ends of the gravity rod 3 to release the gravity rod 3, and the gravity rod 3 drives the fireproof curtain 2 to move downward until it contacts the ground, blocking the fire and smoke on the chassis from spreading to the outside and the driver and passenger compartment.

[0025] The purpose of the above positioning device 4 is to fix the gravity module in the initial state and quickly release the gravity module when a fire occurs. The positioning device 4 is selected from an electromagnetic lock, an electromagnetic release, a pneumatic support device, a hydraulic support device or a motor.

[0026] Preferably, the positioning device 4 is an electromagnetic lock, more preferably a low-voltage electromagnetic lock. The electromagnetic lock can not only save electricity but also quickly achieve the effect of releasing the gravity module; the sliding rod 7 of the electromagnetic lock is detachably connected to the gravity rod 3, and the sliding rod 7 controls the fixing and releasing of the gravity rod 3 through telescopic movement. When receiving the signal from the sensor module 5, the sliding rod 7 contracts and immediately releases the gravity rod 3.

[0027] The above-mentioned power supply unit 6 can meet the power supply requirements of the sensor module 5 and the positioning device 4. It can be an independent power supply unit 6 or a rechargeable power supply unit 6. Preferably, the power supply unit 6 is a lead-acid battery; more preferably, it is a rechargeable lead-acid battery, which can stably supply power to this device for a long time and maintain stable power supply for a long time in the uncharged state. Moreover, by using a combination power supply of miniature lead-acid batteries, it has a small volume, is not prone to leakage, and the independent power supply does not affect the vehicle's circuit.

[0028] The material of the above-mentioned fire curtain 2 is a flexible material that is heat-resistant and fire-resistant. Further, the material of the fire curtain 2 is selected from fiber fireproof cloth, asbestos flame-retardant cloth, or fireproof vacuum silicon. For example, basalt fireproof cloth, ceramic fiber fireproof cloth, and asbestos flame-retardant cloth that are heat-resistant and fire-resistant, etc. Preferably, the fire curtain 2 is made of basalt fireproof cloth, ceramic fiber fireproof cloth, and asbestos flame-retardant cloth that are heat-resistant and fire-resistant, which can maintain good flame-retardant effects under high-temperature flames. At the same time, the asbestos flame-retardant cloth also has the effect of adsorbing toxic smoke.

[0029] The above-mentioned sensor module 5 includes a sensor and a relay. The sensor is selected from one or more combinations of a smoke sensor, a flame sensor, and a temperature sensor. Preferably, the sensor module is a flame detector module; because of its small volume, it is easy to install in different scene positions and can be put into use faster.

[0030] The above-mentioned relay is connected to an alarm emission module, and the alarm emission module is remotely received by a mobile phone; when a fire breaks out, an alarm signal can be received through the mobile phone.

[0031] Example 1

[0032] Control attachment Figure 2 , the gravity rod 3 and the sliding rod 7 are connected through a connecting sleeve 8. The two ends of the connecting sleeve 8 are respectively provided with a first connecting hole 9 and a second connecting hole 10. The gravity rod 3 is fixedly connected to the inner first connecting hole 9, and the sliding rod 7 is slidably connected to the outer second connecting hole 10 in a separable manner; the sliding rod 7, the connecting sleeve 8, and the gravity rod 3 are coaxially arranged; when the sliding rod 7 extends out, it is inserted into the second connecting hole 10 to form a fixed structure. After the sliding rod 7 retracts, the sliding rod 7 is separated from the second connecting hole 10, unlocking the gravity rod 3 and the connecting sleeve 8, and the gravity rod 3 and the connecting sleeve 8 can fall freely at the same time.

[0033] Example 2

[0034] Control attachment Figure 3, the gravity rod 3 and the sliding rod 7 are connected by a connecting column 11. A third connection hole 12 is provided on the outer side of the upper end of the connecting column 11, and a fourth connection hole 13 is provided on the inner side of the lower end. The gravity rod 3 is fixedly connected to the third connection hole 12, and the sliding rod 7 is slidably connected to the fourth connection hole 13 in a separable manner; the sliding rod 7 and the gravity rod 3 are arranged vertically; when the sliding rod 7 extends out, it is inserted into the fourth connection hole 13 to form a fixed structure. After the sliding rod 7 retracts, the sliding rod 7 is separated from the fourth connection hole 13, unlocking the gravity rod 3 and the connecting column 11, and the gravity rod 3 and the connecting column 11 can fall freely at the same time. The gravity rod 3 of this embodiment can be arranged outside the protection plate and can be directly installed under the pedal or under the side skirt of a new energy electric vehicle without changing the original design of the original vehicle.

[0035] Embodiment 3

[0036] The chassis automatic fire extinguishing device of this embodiment is installed at the side skirt of a new energy electric vehicle. It can be directly installed on the side skirt of a new energy electric vehicle, or can be used as a decorative strip for the side skirt or directly replace the original side skirt of the vehicle; if there is installation space inside the original vehicle's side skirt, it can also be directly installed inside the original side skirt, which is both beautiful and does not affect the structure of the original vehicle.

[0037] Embodiment 4

[0038] The chassis automatic fire extinguishing device of this embodiment is installed at the pedal of a new energy electric vehicle. This embodiment is suitable for models such as off-road vehicles, SUVs, and MPVs. The above models have enough space to accommodate the smoke / flame / temperature sensors for combined use or independent use, and the size of the pedal itself is designed to accommodate a large amount of power for long-term use.

[0039] Embodiment 5

[0040] The chassis automatic fire extinguishing device of this embodiment is installed at the battery pack of a new energy electric vehicle. At present, the battery packs of new energy electric vehicles on the market are all square in design. In this embodiment, the above-mentioned chassis automatic fire extinguishing device can be installed in four directions or specified directions of the battery pack.

[0041] The above embodiments are only the preferred embodiments of the present invention, and do not limit the protection scope of the present invention accordingly. Therefore, all equivalent changes made according to the structure, shape, and principle of the present invention shall be covered within the protection scope of the present invention.

Claims

1. A chassis automatic fire extinguishing device for a new energy electric vehicle, characterized in that, It includes a base (1), on which a fireproof curtain (2) is wound. A gravity rod (3) for driving the fireproof curtain (2) to fall is horizontally arranged at the bottom of the fireproof curtain (2). A pair of positioning devices (4) for fixing and releasing the gravity rod (3) are arranged on the base (1). The positioning devices (4) are respectively detachably connected to both ends of the gravity rod (3) and their actions are controlled by a sensor module (5). Both the positioning device (4) and the sensor module (5) are electrically connected to a power supply unit (6).

2. The chassis automatic ignition-off device of a new energy electric vehicle according to claim 1, characterized in that, The positioning device (4) is selected from an electromagnetic lock, an electromagnetic release, a pneumatic support device, a hydraulic support device or a motor.

3. The chassis automatic fire extinguishing device of a new energy electric vehicle according to claim 1, characterized in that, The positioning device (4) is an electromagnetic lock. A sliding rod (7) of the electromagnetic lock is detachably connected to the gravity rod (3). The sliding rod (7) controls the fixing and releasing of the gravity rod (3) through telescopic movement.

4. The automatic engine cut-off device for the chassis of a new energy electric vehicle according to claim 3, characterized in that, The gravity rod (3) and the sliding rod (7) are connected through a connecting sleeve (8). First connection holes (9) and second connection holes (10) are respectively arranged at both ends of the connecting sleeve (8). The gravity rod (3) is fixedly connected to the inner first connection hole (9), and the sliding rod (7) is detachably and slidably connected to the outer second connection hole (10); the sliding rod (7), the connecting sleeve (8) and the gravity rod (3) are coaxially arranged.

5. The chassis automatic ignition-off device of a new energy electric vehicle according to claim 3, characterized in that, The gravity rod (3) and the sliding rod (7) are connected through a connecting column (11). A third connection hole (12) is arranged on the outer side of the upper end of the connecting column (11), and a fourth connection hole (13) is arranged on the inner side of the lower end. The gravity rod (3) is fixedly connected to the third connection hole (12), and the sliding rod (7) is detachably and slidably connected to the fourth connection hole (13); the sliding rod (7) and the gravity rod (3) are arranged vertically.

6. The chassis automatic fire extinguishing device of a new energy electric vehicle according to claim 1, characterized in that, The material of the fireproof curtain (2) is selected from fiber fireproof cloth, asbestos flame retardant cloth or fireproof vacuum silicon.

7. The chassis automatic fire extinguishing device of a new energy electric vehicle according to claim 1, characterized in that, The sensor module (5) includes a sensor and a relay. The sensor is selected from one or a combination of a smoke sensor, a flame sensor and a temperature sensor.

8. The chassis automatic ignition-off device of a new energy electric vehicle according to claim 7, characterized in that, The relay is connected to an alarm emission module, and the alarm emission module is remotely received by a mobile phone.

9. The chassis automatic fire extinguishing device of a new energy electric vehicle according to claim 1, characterized in that, The chassis automatic fire protection device is installed at the side skirt or the pedal or the battery pack.

Images