CN113559440A

CN113559440A - Safety fire-proof device of electric vehicle

Info

Publication number: CN113559440A
Application number: CN202110866963.XA
Authority: CN
Inventors: 不公告发明人
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-29
Filing date: 2021-07-29
Publication date: 2021-10-29

Abstract

The invention discloses a safety fire protection device for an electric vehicle, which mainly comprises a rainproof independent power module and a dry powder fire extinguishing device which are arranged on the lower side of a front storage box of the electric vehicle, a combined type temperature and smoke sensing detector arranged on the lower part of a seat barrel of the electric vehicle, and a control module arranged in a dashboard of the electric vehicle. After the combined type temperature-sensing smoke detector senses the temperature or the smoke near the battery, the temperature or the smoke are fed back to the control module rapidly, the control module transmits an instruction to the electric switch in the dry powder fire extinguisher device, the electric switch is opened rapidly, the battery part is aligned, the dry powder is sprayed out, the storage battery is put out on fire, and after the dry powder fire extinguisher device is in an effective period, the dry powder fire extinguisher device is replaced in time, and the electric vehicle is normally used. The safety fire-proof device for the electric vehicle adopts an independent system for control, is safe and reliable, and can automatically extinguish fire in the static charging or normal driving process of the electric vehicle.

Description

Safety fire-proof device of electric vehicle

Technical Field

The invention relates to the technical field of electric vehicles, in particular to a safety fire protection device of an electric vehicle.

Background

The electric motor car has a great deal of advantages such as light, swift, green, environmental protection, is important vehicle in the urban traffic, has solved the road congestion scheduling problem, has brought a lot of facilities for people's life, nevertheless in daily life, can hear the negative news that the electric motor car brought occasionally, for example: spontaneous combustion of the storage battery of the electric vehicle, explosion of the electric vehicle during charging and the like. The potential safety hazard of the storage battery of the electric vehicle seriously endangers the life and property safety of people and has attracted wide social attention.

Many researchers have addressed the safety protection problem of static electric vehicles during battery charging, such as: CN113104143A reports a waterproof and spark-proof switch circuit system for electric vehicle; CN213705197U has reported a fire prevention electric motor car and has filled electric pile, and fire prevention explosion-proof problem when these modes can solve the static electric motor car well, nevertheless can't solve under the dynamic condition, the safe fire prevention problem of electric motor car battery.

Therefore, under static and dynamic conditions, the development of a safety fire extinguishing device for an electric vehicle becomes the field of electric vehicles, and the safety technical problem is urgently solved.

Disclosure of Invention

The invention aims to provide a safety fire protection device for an electric vehicle, which has the advantages of system independence, automatic detection, automatic fire extinguishing, static and dynamic dual purposes, safety and reliability.

In order to achieve the above object, the technical solution of the present invention is as follows: the utility model provides an electric motor car safety firebreak device is including installing rainproof type independent power module and the dry powder extinguishing device of electric motor car front storage box downside, installs the combined type temperature sensing smoke detector in electric motor car seat bucket lower part, installs the control module in the electric motor car panel board. When the electric motor car is charging or the in-process of traveling, the conflagration takes place, and combined type temperature sensing smoke detector response back feeds back control module rapidly, and control module transmission instruction gives the electric switch in the dry powder fire extinguisher device, and electric switch opens rapidly, aims at the battery position, erupts the dry powder, and duration 8s puts out the storage battery on fire, and when dry powder fire extinguisher device after the expiration period, in time change dry powder fire extinguisher, normal use electric motor car.

Furthermore, an independent power supply module supplies power by adopting a packaged low-voltage 9V battery, the independent power supply module is provided with a power indicator, when the power is insufficient, an automatic alarm is given to prompt replacement, and the independent power supply module supplies power for the combined type temperature-sensing smoke-sensing detector and the control module;

further, when the composite temperature and smoke sensing detector senses fire of the storage battery car and generates smoke or the temperature is too high, a signal is fed back to the control module, and the control module transmits an instruction to an electric switch in the dry powder fire extinguishing device so as to start the dry powder fire extinguishing device;

furthermore, the dry powder extinguishing device is portable, meets the relevant national law and regulation standards, is obviously different from the conventional dry powder extinguishing device, comprises an electric switch, controls the electric switch through a control module, automatically starts the dry powder extinguishing device, has a dry powder extinguishing agent filling amount of 1kg and has a dry powder spraying time not less than 8 s. Note that the dry powder extinguishing device must be used within the quality guarantee period.

The invention has the advantages that: firstly, the safety fire protection device of the electric vehicle is controlled by an independent system, and is safe and reliable; and secondly, in the process of static charging or normal driving of the electric vehicle, if a storage battery is on fire, the electric vehicle can automatically extinguish the fire.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural view of a safety fire protection device of an electric vehicle.

Wherein the reference numerals are: 1. an electric vehicle handle; 2. a control module; 3. an instrument panel; 4. a front storage box; 5. an electric switch of the dry powder extinguishing device; 6. a dry powder fire extinguishing device; 7. an independent power supply module; 8. the front fender of the electric vehicle; 9. a battery; 10. a dry powder extinguishing device nozzle; 11. a composite temperature and smoke sensing detector; 12. a seat barrel.

Detailed Description

The present invention will be described in detail with reference to the following drawings and specific embodiments.

The invention aims to provide a safety fireproof device for an electric vehicle.

Example 1

As shown in fig. 1, a safety fire protection device for an electric vehicle mainly includes: install control module 2, panel board 3 in electric motor car panel board 3 and install on electric motor car handle 1, install in the preceding independent power module of rain-proof 7 of storage box 4 one side, the dry powder extinguishing device 6 of opposite side, rain-proof independent power module 7 and dry powder extinguishing device 6 all shelter from in electric motor car front wall 8, and combined type temperature sensing smoke detector 11 is installed on the upper portion of battery 9, the lower part of seat bucket 12. The independent power supply module 7 adopts a 9v power supply to supply power to the combined type temperature-sensing smoke detector 11, the control module 2 and the dry powder fire extinguishing device 6; the dry powder extinguishing device 6 is provided with an electric control switch 5 which is controlled by the control module 2, dry powder is sprayed out through a nozzle 10, and the position of the nozzle 10 is aligned to the direction of the battery 9.

The present embodiment will be described in detail below.

Under the static charging condition of the electric motor car, because unexpected reason, the conflagration takes place during battery 8 charges, and combined type temperature sensing smoke detector 9 detects unusual back, feeds back control module 2 rapidly, and control module 2 sends the instruction immediately and gives electric switch 5 on the dry powder extinguishing device 6, and electric switch 5 acts rapidly, and the nozzle 10 is opened in the linkage, aims at battery 9 direction blowout, and duration 8s erupts the dry powder and puts out a fire with battery 9.

Under the dynamic driving condition of the electric vehicle, due to an unexpected reason, the battery 8 is on fire, after the composite temperature-sensing smoke detector 9 detects abnormality, the abnormality is quickly fed back to the control module 2, the control module 2 immediately sends an instruction to the electric switch 5 on the dry powder extinguishing device 6, the electric switch 5 quickly acts, the nozzle 10 is opened in a linkage manner, the abnormality is sprayed in a direction aligned with the battery 9, the duration is 8s, and the battery 9 is on fire and extinguished by the sprayed dry powder.

The independent power supply module 9 is provided with an electric quantity indicator, when the electric quantity is insufficient, a red light is lighted, and an alarm prompt tone is provided for timely replacement; the dry powder extinguishing device 6 needs to be replaced in time when exceeding the validity period.

When the electric vehicle battery 9 is in fire disaster, the battery 9 is replaced in time, the circuit is maintained, the dry powder extinguishing device 6 is replaced, and the circuits of the independent power module 7, the combined type temperature-sensing smoke detector 11, the control module 2 and the electric switch 5 of the dry powder extinguishing device 6 are checked and maintained.

Claims

1. The safety fire-proof device for the electric vehicle is characterized in that: the safety fire protection device of the electric vehicle comprises a control module (2), a dry powder fire extinguishing device (6), a rainproof independent power supply module (7) and a combined temperature-sensing smoke detector (11), wherein the control module (2) is installed inside an electric vehicle instrument panel (3), the electric vehicle instrument panel (3) is fixed on an electric vehicle handle (1), the dry powder fire extinguishing device (6) and the rainproof independent power supply module (7) are installed on two sides of the lower part of a front storage box (4) of the electric vehicle and are all shielded in a front bumper (8) of the electric vehicle, the rainproof independent power supply module (7) adopts a 9v power supply and independently supplies power to the combined temperature-sensing smoke detector (11), the control module (2) and the dry powder fire extinguishing device (6), an electric switch (5) and a nozzle (10) are installed on the dry powder fire extinguishing device (6), the dry powder is controlled by the control module (2), and is sprayed out through the nozzle (10), the composite temperature and smoke sensing detector (11) is arranged at the upper part of the battery (9) and the lower part of the seat barrel (12).

2. A safety fire prevention device for electric vehicles according to claim 1, wherein: the independent power supply module (7) is provided with an electric quantity indicator, and when the electric quantity is insufficient, automatic alarm prompt is carried out to replace the electric quantity indicator.

3. A safety fire prevention device for electric vehicles according to claim 1, wherein: when this combined type temperature sensing smoke detector (11) senses the cigarette or the high temperature that the electric motor car produced on fire, feedback signal gives control module (2), and control module (2) transmission instruction gives electric switch (5) in dry powder extinguishing device (6) to open nozzle (10) of dry powder extinguishing device (6), nozzle (10) position alignment battery (9) direction blowout dry powder.

4. A safety fire prevention device for electric vehicles according to claim 1, wherein: this dry powder extinguishing device (6) is different from conventional dry powder extinguishing device, contains electric switch (5), through control module (2) control electric switch (5), opens dry powder extinguishing device (6) automatically, and dry powder extinguishing agent filling amount is 1kg in dry powder extinguishing device (6), and dry powder injection time is not less than 8 s.

5. A safety fire prevention device for electric vehicles according to claim 1, wherein: the safety fire-proof device for the electric vehicle is suitable for the condition of static charging or dynamic normal running of the electric vehicle.