CN111785880A

CN111785880A - New energy automobile battery protection device and application method thereof

Info

Publication number: CN111785880A
Application number: CN202010676968.1A
Authority: CN
Inventors: 徐衎
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-14
Filing date: 2020-07-14
Publication date: 2020-10-16

Abstract

The invention belongs to the technical field of new energy vehicles, and particularly relates to a new energy vehicle battery protection device and a use method thereof. The locking of an electric connection plate electrically connected with the overheated battery can be timely released by utilizing the characteristic that the annular magnet is heated and demagnetized through the annular magnet, so that the overheated battery falls off, the communication between the heating battery and a circuit is timely released, heat generated in the working process of the battery can be effectively sucked out through the arranged suction fan, the effect of cooling is achieved, the overheated battery can be sucked into the containing cavity to be contained when falling off from the bottom of the second cavity, and the isolation from the normal battery is achieved.

Description

New energy automobile battery protection device and application method thereof

Technical Field

The invention belongs to the technical field of new energy automobiles, and particularly relates to a new energy automobile battery protection device and a use method thereof.

Background

The new energy automobile adopts unconventional automobile fuel as a power source (or adopts conventional automobile fuel and a novel vehicle-mounted power device), integrates advanced technologies in the aspects of power control and driving of the automobile, and forms an automobile with advanced technical principle, new technology and new structure.

The battery pack is generally used for providing energy for the modern new energy electric automobile, batteries of the new energy electric automobile are damaged or broken due to the fact that the external temperature is too high, the batteries of the new energy electric automobile work for a long time, the batteries are scratched and rubbed by sharp objects on the ground, thermal runaway of the batteries is caused, spontaneous combustion of the batteries is caused, when the spontaneous combustion of the batteries is detected by the general automobile, a fire extinguisher is often needed to be used for extinguishment by manpower, time difference can be generated in the mode, the spontaneous combustion batteries cannot be timely treated, potential safety hazards are greatly increased, the batteries in the existing battery pack are generally fixed together and cannot be separated, the temperatures of other batteries can be sharply increased after the batteries are combusted, and the batteries which cannot generate heat originally also start to generate heat.

Therefore, the new energy electric vehicle battery protection device and the use method thereof are provided to solve the problems.

Disclosure of Invention

The invention aims to solve the problems and provides a new energy automobile battery protection device and a using method thereof.

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a new energy automobile battery protector, includes first casing and second casing, first casing passes through a plurality of bolt fixed connection with the second casing, the multiunit recess has been seted up to the lower extreme lateral wall of first casing, and the first electricity fishplate bar of top surface fixedly connected with in the upper end of recess, open in the second casing and be equipped with the first cavity with recess matched with, and cup jointed annular magnet in the first cavity, rotate in the first cavity and be connected with the second electricity fishplate bar, and the second electricity fishplate bar inhales with annular magnet mutually, electric connection has the battery between first electricity fishplate bar and the second electricity fishplate bar, be provided with the second cavity with first cavity matched with intercommunication in the second casing, every group one side of first cavity is provided with the inlet scoop, and the opposite side intercommunication has accomodate the chamber, it has the suction fan to accomodate the chamber intercommunication.

In the new energy automobile battery protection device, a stop block matched with the second electric connection plate is fixedly connected to the inner wall of one side of the first cavity, and the stop block is designed in an arc shape.

In the above new energy automobile battery protection device, the upper end side wall of the second cavity is obliquely arranged, and the distance between the oblique point at the lower side and the air inlet of the first cavity matched with the oblique point is two thirds of the length of the battery.

In the above-mentioned new energy automobile battery protector, ring magnet's curie point is 70 degrees, and ring magnet is made by the neodymium iron boron material.

In foretell new energy automobile battery protector, the quantity of accomodating chamber and suction fan is one, and the two communicates with one of them a set of first cavity, keeps away from every group of accomodating the chamber first cavity passes through the arc chamber and communicates with it.

A use method of a new energy automobile battery protection device comprises the following steps:

s1, when the battery is overheated, the annular magnet can be subjected to the heat of the battery to generate a demagnetization phenomenon, the second electric connecting plate can rotate and is separated from the battery, and the second electric connecting plate can be blocked to generate a certain inclination under the action of the stop block;

s2, the battery falls down after losing the supporting effect of the second electric connecting plate, the battery can incline and slide down at the second electric connecting plate, meanwhile, the battery can always keep inclining and sliding down under the limit of the inclined wall of the second cavity, and when the battery falls between the first cavity and the second cavity, the battery can keep a transverse state;

s3, according to S2, the one end of battery can block up the air intake of first cavity, and first cavity can produce the negative pressure, and then makes the battery can receive the pushing action of air current, and the suction of cooperation suction fan, battery can roll and fall into to accomodate in the chamber and be accomodate.

Compared with the prior art, the new energy automobile battery protection device and the use method thereof have the advantages that:

1. according to the invention, the arranged annular magnet can utilize the Curie point of the annular magnet to be matched with an overheated battery for degaussing, so that the attraction fixation of the second electric connecting plate is released, the second electric connecting plate can rotate under the self gravity and fall off from the battery, and the communication between the heating battery and the circuit is timely released.

2. According to the invention, through the arranged suction fan, heat generated in the working process of the battery can be effectively sucked out to achieve the effect of cooling, and when the overheated battery falls off at the bottom of the second cavity, the overheated battery is sucked into the containing cavity to be contained, so that the overheated battery is isolated from the normal battery.

3. The second electric connecting plate can be blocked by the block when rotating and falling down, so that the second electric connecting plate keeps a certain inclination, the sliding of the heating battery is facilitated, the transverse state is kept, and the battery can roll into the containing cavity under the action of suction force.

4. According to the invention, the side wall of the upper end of the second cavity is obliquely arranged, and the distance between the oblique point and the air inlet of the first cavity is smaller than the length of the battery, so that when the overheated battery is kept in a transverse state, the air inlet of the first cavity can be blocked, the first cavity generates negative pressure, the suction force of the suction fan to the battery is improved, and the battery is accelerated to enter the accommodating cavity.

5. According to the invention, through the arc-shaped cavities, the use number of the suction fans and the containing cavities can be reduced, so that the batteries overheated in each group of first cavities can enter the containing cavities under the action of the suction force of the suction fans, and the cost of the device is greatly reduced.

Drawings

Fig. 1 is a schematic front perspective structural view of a new energy vehicle battery protection device and a method for using the same according to embodiment 1 of the present invention;

fig. 2 is a schematic top perspective structural view of a new energy vehicle battery protection device and a method for using the same according to embodiment 1 of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 1;

fig. 4 is a schematic top perspective structural view of a new energy vehicle battery protection device and a method for using the same according to embodiment 2 of the present invention.

In the figure, a first shell 1, a second shell 2, a bolt 3, a groove 4, a first electric connecting plate 5, a first cavity 6, a ring magnet 7, a second electric connecting plate 8, a battery 9, a second cavity 10, an air suction opening 11, a storage cavity 12, a suction fan 13, a stop block 14 and an arc-shaped cavity 15 are arranged in the groove.

Detailed Description

The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.

Example 1

As shown in fig. 1-3, a new energy automobile battery protector, includes first casing 1 and second casing 2, and first casing 1 and second casing 2 are through a plurality of bolts 3 fixed connection, and through the bolt that sets up, the later stage of being convenient for is dismantled first casing 1 and second casing 2, conveniently changes battery 9.

Multiunit recess 4 has been seted up to the lower extreme lateral wall of first casing 1, and the first electric connection board 5 of top surface fixedly connected with in the upper end of recess 4, set up in the second casing 2 with the first cavity 6 of recess 4 matched with, and cup jointed annular magnet 7 in the first cavity 6, it is connected with second electric connection board 8 to rotate in the first cavity 6, and second electric connection board 8 and annular magnet 7 attract each other, annular magnet 7's curie point is 70 degrees, and annular magnet 7 is made by the neodymium iron boron material, annular magnet 7's curie point sets up, can cooperate battery 9's overheat temperature, the demagnetization of being heated, remove the actuation to second electric connection board 8, it is accomodate to be convenient for overheated battery 9 drops.

One side inner wall fixedly connected with of first cavity 6 and 8 matched with dogs 14 of second electricity fishplate bar, and dogs 14 are the arc design, and dogs 14's setting can make second electricity fishplate bar 8 after the rotation keep certain inclination, is convenient for guide battery 9 slant landing, can keep horizontal state after making battery 9 fall down, and the convenience rolls, and dogs 14's arc design can make it have more the nature of circle moist, keeps away just the edges and corners and bumps second electricity fishplate bar 8.

The battery 9 is electrically connected between the first electrical connection plate 5 and the second electrical connection plate 8, the second housing 2 is provided with a second cavity 10 communicated with the first cavity 6 in a matched manner, and the second cavity 10 can be communicated with the two adjacent first cavities 6, so that the battery 9 can be conveniently conveyed.

The upper end lateral wall slope of second cavity 10 sets up, and the distance that is located the slope point of downside and the air intake of first cavity of matched with 6 is two-thirds of battery 9 length, the lateral wall slope of second cavity 10 sets up, can utilize its inclination, better guide battery 9 landing, keep horizontal state after making battery 9 landing, the slope point of second cavity 10 and the air intake interval of first cavity 6 are less than battery 9's length, can make battery 9 after the landing, one end and the laminating of the air intake that corresponds first cavity 6, block up it, make first cavity 6 produce the negative pressure, make battery 9 can receive the promotion of air current, accelerate to get into and accomodate in the chamber 12.

One side of every first cavity 6 of group is provided with inlet scoop 11, and the opposite side intercommunication has accomodate chamber 12, and the setting of inlet scoop 11, the circulation of the air of being convenient for accomodates chamber 12 and can accomodate overheated battery 9, and the inner wall of accomodating chamber 12 is paintd the heat dissipation lacquer, can accelerate overheated battery 9's cooling, and it has suction fan 13 to accomodate chamber 12 intercommunication.

When the battery 9 in one of the first cavities 6 is overheated, the ring-shaped magnet 7 is subjected to the heat effect of the battery 9, the abnormal overheating temperature of the normal new energy automobile battery is 70 ℃ or above, the temperature generated by the battery 9 reaches the curie point of the ring-shaped magnet 7, the ring-shaped magnet 7 is demagnetized, at the moment, the second electric connecting plate 8 is not subjected to the suction effect of the ring-shaped magnet 7, under the action of the self gravity, the second electric connecting plate 8 rotates and is separated from the battery 9, under the action of the stop block 14, the second electric connecting plate 8 is blocked to generate a certain inclination, the battery 9 falls down after losing the supporting effect of the second electric connecting plate 8, under the inclined guiding effect of the second electric connecting plate 8, the battery 9 can slide down in an inclined way, and at the same time, under the limit of the inclined wall of the second cavity 10, the battery 9 can always keep inclined and slide down, when the battery 9 falls between the first cavity 6 and the second cavity 10, will keep the horizontal state, easy to roll, because the distance between the oblique point of the second cavity 10 and the air inlet of the first cavity 6 is less than the length of the battery 9, the battery 9 will not enter the second cavity 10 completely, one end of the battery 9 will be attached to the air inlet of the first cavity 6, blocking it, the air in the first cavity 6 will be sucked out by the suction force of the suction fan 13, because the air inlet is blocked, air flow can not enter, the air pressure in the first cavity 6 can be reduced, negative pressure is generated, so that the batteries 9 can be pushed by the airflow, and the batteries 9 can roll through each second cavity 10 by matching with the suction force of the suction fan 13 until falling into the containing cavity 12 to be contained, the abnormally overheated battery 9 can be handled in time, the potential safety hazard is greatly reduced, and the overheated battery 9 can be isolated from the normal battery 9.

Example 2

As shown in fig. 4, the present embodiment is different from embodiment 1 in that: accomodate chamber 12 and suction fan 13's quantity is one, and the two communicates with one of them a set of first cavity 6, keep away from the every first cavity 6 of group of accomodating chamber 12 through arc chamber 15 rather than the intercommunication, through the arc chamber 15 that sets up, can make each first cavity 6 of group all communicate with accomodating chamber 12, and then make overheated battery 9 in each first cavity 6, all can receive suction effect of suction fan 13, accomodate in accomodating chamber 12 by inhaling, and the arc structure in arc chamber 15 does not have the edges and corners, be difficult for producing the roll of battery 9 and hinder, compare embodiment one, the very big use cost who has reduced the device.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A new energy automobile battery protection device comprises a first shell (1) and a second shell (2), and is characterized in that the first shell (1) and the second shell (2) are fixedly connected through a plurality of bolts (3), a plurality of groups of grooves (4) are formed in the side wall of the lower end of the first shell (1), a first electric connection plate (5) is fixedly connected to the top surface of the upper end of each groove (4), a first cavity (6) matched with the grooves (4) is formed in the second shell (2), an annular magnet (7) is sleeved in each first cavity (6), a second electric connection plate (8) is rotatably connected in each first cavity (6), the second electric connection plate (8) and the annular magnet (7) are attracted, a battery (9) is electrically connected between the first electric connection plate (5) and the second electric connection plate (8), and a second cavity (10) communicated with the first cavity (6) is formed in the second shell (2), one side of each group of the first cavity (6) is provided with an air suction opening (11), the other side of the first cavity is communicated with a containing cavity (12), and the containing cavity (12) is communicated with a suction fan (13).

2. The new energy automobile battery protection device according to claim 1, characterized in that a stopper (14) matched with the second electric connection plate (8) is fixedly connected to an inner wall of one side of the first cavity (6), and the stopper (14) is arc-shaped.

3. The new energy automobile battery protection device according to claim 1, characterized in that the upper end side wall of the second cavity (10) is inclined, and the distance between the inclined point at the lower side and the air inlet of the first cavity (6) is two thirds of the length of the battery (9).

4. The new energy automobile battery protection device according to claim 1, characterized in that the curie point of the ring magnet (7) is 70 degrees, and the ring magnet (7) is made of neodymium iron boron material.

5. The new energy automobile battery protection device according to claim 1, characterized in that the number of the receiving cavity (12) and the suction fan (13) is one, and the receiving cavity and the suction fan are communicated with one group of the first cavities (6), and each group of the first cavities (6) far away from the receiving cavity (12) is communicated with the receiving cavity through an arc-shaped cavity (15).

6. The use method of the new energy automobile battery protection device according to any one of claims 1-5, characterized by comprising the following steps:

s1, when the battery (9) is overheated, the annular magnet (7) can be subjected to the heat effect of the battery (9) to generate a demagnetization phenomenon, the second electric connection plate (8) can rotate and is separated from the battery (9), and under the action of the stop block (14), the second electric connection plate (8) can be blocked to generate a certain inclination;

s2, the battery (9) falls down after losing the supporting effect of the second electric connection plate (8), the battery (9) can incline and slide down on the second electric connection plate (8), meanwhile, the battery (9) can always keep inclining and sliding down under the limit of the inclined wall of the second cavity (10), and when the battery (9) falls between the first cavity (6) and the second cavity (10), the transverse state can be kept;

s3, according to S2, one end of the battery (9) can block an air inlet of the first cavity (6), the first cavity (6) can generate negative pressure, the battery (9) can be further pushed by air flow, the suction of the suction fan (13) is matched, and the battery (9) can roll to fall into the accommodating cavity (12) to be accommodated.