阅读说明：本技术 防护板板芯以及应用其的电池组防护板和车辆电池防护系统 (Protection plate core, battery pack protection plate using same and vehicle battery protection system ) 是由 潘渡江 吴学领 黎钊 于 2020-12-02 设计创作，主要内容包括：本发明公开了一种防护板板芯,其设置于电池组和车辆主机之间,所述防护板板芯包括：槽板和盖板,二者面贴连接,且二者之间具有容纳空间,以容纳金属丝,所述金属丝与电源连接,当通过所述金属丝的实际电流值超过所述金属丝的熔断电流值时,所述金属丝熔断,进而切断所述电池组和所述车辆主体的电连接。本发明在当电池组由于异常工作而产生高温时,通过熔断金属丝,来切断整个车辆的电池组与车辆主机的连接,从而确保了电池以及电动车辆的安全。(The invention discloses a protection plate core, which is arranged between a battery pack and a vehicle host, and comprises: frid and apron, the two face subsides are connected, and have accommodation space between the two to hold the wire, the wire is connected with the power, and when passing through the actual current value of wire surpasss when the fusing current value of wire, the wire fusing, and then the disconnection the group battery with vehicle body's electricity is connected. When the battery pack generates high temperature due to abnormal operation, the invention cuts off the connection between the battery pack of the whole vehicle and the vehicle main machine by fusing the metal wire, thereby ensuring the safety of the battery and the electric vehicle.)

1. The utility model provides a guard plate core, its sets up between group battery and vehicle host computer, its characterized in that, guard plate core includes:

frid and apron, the two face subsides are connected, and have accommodation space between the two to hold the wire, the wire is connected with the power, and when passing through the actual current value of wire surpasss when the fusing current value of wire, the wire fusing, and then the disconnection the group battery with vehicle body's electricity is connected.

2. The fender core of claim 1, wherein the wire is connected to a terminal by a wire, the terminal being connected to the power source to form a circuit loop.

3. The fender core of claim 1, wherein the channel plate includes a receiving groove for receiving the wire, the receiving groove having a width slightly greater than a diameter of the wire.

4. The fender core of claim 3, wherein the wire is fixedly bonded within the receiving slot with an adhesive when the wire is received within the receiving slot.

5. The fender core of claim 2, wherein a face of the channel plate remote from the cover plate is configured with a floor to provide support, the floor being made of mica board.

6. A guard plate core according to claim 5, wherein reinforcing plates are respectively attached between the slot plate and the cover plate and between the slot plate and the bottom plate, and the reinforcing plates cover the positions where the terminals are connected to the power supply, and the two reinforcing plates are overlapped up and down.

7. The fender core of claim 5, wherein the metal wire is a tin wire.

8. A battery fender using the fender core of any one of claims 1 to 7, comprising:

a plurality of guard plate core, every two face homogeneous surface subsides of guard plate core set up keeps away a baffle, the guard plate core with keep away and paste between the baffle and set up the adhesion prevention board.

9. A vehicle battery protection system using the fender core of any one of claims 1-7, comprising:

the protection plate core is respectively and electrically connected with the battery pack and the vehicle host;

a temperature sensor that monitors an actual temperature of the battery pack in real time;

the central control unit is connected with the temperature sensor, receives the actual temperature data of the battery pack transmitted by the temperature sensor and compares the actual temperature data with the temperature warning value;

the central control unit is also electrically connected with the power supply;

when the actual temperature data of the battery pack is larger than or equal to the temperature warning value, the central control unit controls the power supply to provide the metal wire with current with the current value not smaller than the fusing current value of the metal wire, and then the metal wire is fused.

10. The vehicle battery protection system of claim 9, wherein the central control unit is disposed within the vehicle host.

Technical Field

The invention relates to the field of vehicle battery pack protection. More particularly, the present invention relates to a fender core, and a battery pack fender and a vehicle battery protection system using the same.

Background

At present, in the new energy electric automobile developed in China, because the battery pack can generate higher temperature under the normal working state, if the battery pack works abnormally, higher temperature can be generated, and certain potential safety hazards are generated for both vehicles and human bodies.

Disclosure of Invention

To achieve these objects and other advantages and in accordance with the purpose of the invention, there is provided a fender core disposed between a battery pack and a vehicle main body, the fender core including:

frid and apron, the two face subsides are connected, and have accommodation space between the two to hold the wire, the wire is connected with the power, and when passing through the actual current value of wire surpasss when the fusing current value of wire, the wire fusing, and then the disconnection the group battery with vehicle body's electricity is connected.

According to a preferred embodiment of the present invention, in the protection plate core, the metal wires are connected to terminals through wires, and the terminals are connected to the power supply to form a circuit loop.

According to a preferred embodiment of the present invention, in the protection plate core, a receiving groove is disposed on the groove plate for receiving the metal wire, and a width of the receiving groove is slightly larger than a diameter of the metal wire.

According to a preferred embodiment of the present invention, in the fender core, when the metal wire is received in the receiving groove, the metal wire is fixedly bonded in the receiving groove by using an adhesive.

According to a preferred embodiment of the present invention, in the protection plate core, a bottom plate is attached to a surface of the slot plate away from the cover plate to provide support, and the bottom plate is made of mica plate.

According to a preferred embodiment of the present invention, in the protection plate core, reinforcing plates are respectively attached to the surfaces between the slot plate and the cover plate and between the slot plate and the bottom plate, and the reinforcing plates cover the positions where the terminals are connected to the power supply, and the two reinforcing plates are overlapped with each other.

According to a preferred embodiment of the present invention, in the fender core, the metal wire is a tin wire.

Another embodiment of the present invention provides a battery pack sheathing panel using the sheathing panel core, including:

a plurality of guard plate core, every the two face homofacial features of guard plate core paste and keep away a baffle, the guard plate core with keep away and paste between the baffle and set up the adhesion prevention board.

Another embodiment of the present invention provides a vehicle battery protection system using the guard plate core, including:

the protection plate core is respectively and electrically connected with the battery pack and the vehicle host;

a temperature sensor that monitors an actual temperature of the battery pack in real time;

the central control unit is connected with the temperature sensor, receives the actual temperature data of the battery pack transmitted by the temperature sensor and compares the actual temperature data with the temperature warning value;

the central control unit is also electrically connected with the power supply, and when the actual temperature data of the battery pack is greater than or equal to the temperature warning value, the central control unit controls the power supply to provide the metal wire with current with the current value not less than the fusing current value of the metal wire, so that the metal wire is fused.

According to a preferred embodiment of the present invention, in the vehicle battery protection system, the central control unit is disposed in the vehicle host.

The invention at least comprises the following beneficial effects:

in the protection plate core in one embodiment of the invention, when the battery pack generates high temperature due to abnormal work, the power supply provides current with the current value not less than the fusing current value of the metal wire for the metal wire, so that the metal wire in the protection plate core cannot bear and is directly fused.

In the vehicle battery protection system in an embodiment of the invention, the actual temperature of the battery pack is monitored in real time through the temperature sensor and is transmitted to the central control unit, if the temperature exceeds a temperature warning value prestored in the central control unit, the central control unit controls the power supply to provide current with the current value not less than the fusing current value of the metal wire for the metal wire, so that the metal wire in the protection plate core cannot bear and is directly fused, and in the fusing process, because the metal wire is completely wrapped by the protection plate core, high-temperature heat in the metal wire cannot be transmitted out, the connection between the battery pack of the whole vehicle and a vehicle host is cut off, the battery pack is in a non-working state, the battery pack can be cooled along with the metal wire, and the safety of the battery and the electric vehicle is ensured.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

Fig. 1 is a schematic structural diagram of a fender core according to an embodiment of the invention.

Fig. 2 is an exploded view of a part of the fender core in the above embodiment.

Fig. 3 is a schematic structural view of a battery protection plate according to an embodiment of the present invention.

Detailed Description

The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the invention.

It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for ease of description and simplicity of description, and do not indicate or imply that the referenced devices or components must be constructed and operated in a particular orientation and thus are not to be considered limiting.

As shown in fig. 1-2, a fender core of the present invention is disposed between a battery pack and a vehicle main body, and in practical use, the fender core may be variably disposed at a use position thereof, may be disposed on a surface of the battery pack, and may be disposed separately, and the fender core 1P includes:

frid 1 and apron 2, the two face-to-face connection, and have accommodation space between the two to hold wire 3, wire 3 is connected with the power, when passing through the actual current value of wire 3 surpasss when the fusing current value of wire 3, wire 3 fuses, and then cuts off the group battery with vehicle body's electricity is connected.

In the above embodiment, when the battery pack generates high temperature due to abnormal operation, the power supply provides the metal wire 3 with current with the current value not less than the fusing current value of the metal wire 3, so that the metal wire 3 in the protection plate core cannot bear and is directly fused, and in the fusing process, as the metal wire 3 is completely wrapped by the protection plate core, high-temperature heat in the metal wire cannot be transferred, so that the connection between the battery pack of the whole vehicle and a vehicle host is cut off, the battery pack is in a non-working state, and the battery pack can be cooled along with the high-temperature heat, and the safety of the battery and the electric vehicle is ensured. The power supply can be intelligently controlled to supply current to the metal wire, or the power supply can be manually switched on to supply current to the metal wire.

It should be further described that an accommodating space is provided between the groove plate 1 and the cover plate 2, and the groove plate 1 and the cover plate 2 may be respectively recessed to form a groove, and the grooves of the two together form the accommodating space; grooves, that is, the accommodating spaces, may be formed in the groove plate 1 or the cover plate 2, respectively, so as to accommodate the wires.

In the following, a specific embodiment is provided in which an accommodating space is formed between the groove plate 1 and the cover plate 2, an accommodating groove 11 is formed in the groove plate 1 for accommodating the metal wire 3, and the width of the accommodating groove 11 is slightly larger than the diameter of the metal wire 3. The receiving groove 11 is bent so that a longer wire can be received. The processing mode of holding tank is not restricted, can be the punching press, also can be laser cutting etc..

The shape of the metal wire 3 is wound out through the accommodating groove 11, and in the process of winding the metal wire 3, the metal wire 3 can be fixed and bonded in the accommodating groove 11 by using a bonding agent, specifically, a masking tape can be attached to the accommodating groove 11 to prevent the tin wire from jumping the groove, and the masking tape can be replaced by other types of adhesives, such as a double-sided adhesive, a transparent adhesive and the like, because the width of the accommodating groove 11 is slightly larger than the diameter of the metal wire 3, the situation that the metal wire 3 shakes in the accommodating groove 11 can occur.

Specifically, the metal wire 3 may be a metal wire with a low melting point, such as a tin wire, the melting point of tin is very low, 231.9 degrees, the temperature reaches the melting point of the tin wire by controlling the magnitude of the current passing through the tin wire, and the required magnitude of the passing current needs to be calculated by combining the diameter of the tin wire.

In another preferred embodiment, in the protection plate core, the metal wire 3 is connected with a terminal 5 through a wire 4, and the terminal 5 is connected with the power supply to form a circuit loop. One end of the wire 4 connected with the metal wire 3 needs to be peeled so as to realize electric connection better and facilitate current circulation.

According to a preferred embodiment of the present invention, in the guard plate core, a bottom plate 9 is attached to a surface of the slot plate 1 away from the cover plate 2, which has high strength and strong support property, and can be used as a support for a product.

In actual installation, the cover plate 2 and the bottom plate 9 are respectively provided with positioning installation holes 12 for quick installation.

Because the position part of wiring needs increase intensity, plug power etc. so design has the stiffening plate in this position, local thickness thickening. The groove plate 1 and the cover plate 2, the groove plate 1 and the bottom plate 9 are respectively provided with a reinforcing plate 6 in a surface pasting mode, the reinforcing plate 6 covers the position where the terminal is connected with the power supply, and the two reinforcing plates 6 are overlapped up and down.

The whole thickness of the protection plate core is 0.5-3mm, and the protection plate core is a product obtained by pressing the bottom plate 9, the groove plate 1, the cover plate 2 and the reinforcing plate 6 at the same time for dozens of minutes under high temperature and high pressure and then cooling.

It should be emphasized that the bottom plate 9, the slot plate 1, the cover plate 2 and the reinforcing plate 6 are all made of a material having both high temperature resistance and high insulation, such as mica plate, because the mica material has high temperature resistance and high insulation, and this property can be used to isolate the heat-generating wires from the outside, so as to prevent the wires from damaging the battery pack or other parts of the automobile.

Another embodiment of the present invention provides a manufacturing process of a protection plate core:

A. mica is used as a raw material, and two stamping processes (or laser engraving and the like) are adopted to prepare the groove plate 1 and the cover plate 2;

B. peeling two ends of the wire 4 according to the size required by design, and riveting the two ends of the wire with the terminal 5 by using a riveting technology;

C. placing the bottom plate 9 on a positioning tool, and positioning the groove plate 1 on the bottom plate 9; wherein, the bottom plate 9 is prepared by the following steps: mica is used as a raw material, and two stamping processes (or laser engraving and the like) are adopted to prepare the bottom plate 9.

D. Gradually introducing a portion of the wire 3 (here a tin wire) into the receiving groove 11 of the channel plate 1, it being required that the tin wire cannot be bent and cannot be tensioned so tightly that it breaks;

e, a plurality of sections of masking tapes are perpendicular to the direction of the accommodating grooves 11 and are attached to the groove plate 1, so that the tin wire circuit is fixed and prevented from being warped.

And F, connecting the peeled end of the wire 4 with the head of the tin wire, wherein the wire can be firmly connected in a twisting and winding mode, and the other peeled end of the wire 4 is firmly connected with the tail of the tin wire to form a circuit.

And G, sealing glue is applied to the wiring part, so that the wire 4, the metal wire 3 (tin wire is adopted here) and the groove plate 1 are fixed together, and the drawing force of the wire is increased.

And H, before the sealant is not solidified, respectively installing the two reinforcing plates 6 at corresponding positions, and slightly pressing the reinforcing plates with force.

I, will under the assistance of location frock 2 location goes up, can obtain the guard plate core.

As shown in fig. 3, another embodiment of the present invention provides a battery pack sheathing panel using the sheathing panel core, including:

a plurality of guard plate core 1P, every the aversion baffle 7 is pasted to two face homographies of guard plate core 1P, guard plate core 1P with avoid setting up adhesion prevention board 8 between the baffle 7.

In the above embodiment, the anti-sticking plate 8 is made of glass fiber cloth, which is not only resistant to high temperature but also anti-sticking, and functions to separate the protection plate core 1P from the avoiding partition plate 7 and prevent the protection plate core from being stuck together after hot molding.

Another embodiment of the present invention provides a manufacturing process of a battery pack protection plate:

A. mica is used as a raw material, and two stamping processes (or laser engraving and the like) are adopted to prepare the groove plate 1 and the cover plate 2;

B. peeling two ends of the wire 4 according to the size required by design, and riveting the two ends of the wire with the terminal 5 by using a riveting technology;

C. placing the bottom plate 9 on a positioning tool, and positioning the groove plate 1 on the bottom plate 9; wherein, the bottom plate 9 is prepared by the following steps: mica is used as a raw material, and two stamping processes (or laser engraving and the like) are adopted to prepare the bottom plate 9.

D. Gradually introducing a portion of the wire 3 (here a tin wire) into the receiving groove 11 of the channel plate 1, it being required that the tin wire cannot be bent and cannot be tensioned so tightly that it breaks;

e, a plurality of sections of masking tapes are perpendicular to the direction of the accommodating grooves 11 and are attached to the groove plate 1, so that the tin wire circuit is fixed and prevented from being warped.

And F, connecting the peeled end of the wire 4 with the head of the tin wire, wherein the wire can be firmly connected in a twisting and winding mode, and the other peeled end of the wire 4 is firmly connected with the tail of the tin wire to form a circuit.

And G, sealing glue is applied to the wiring part, so that the wire 4, the metal wire 3 (tin wire is adopted here) and the groove plate 1 are fixed together, and the drawing force of the wire is increased.

And H, before the sealant is not solidified, respectively installing the two reinforcing plates 6 at corresponding positions, and slightly pressing the reinforcing plates with force.

I, the cover plate 2 is positioned with the assistance of the positioning tool.

J, adopt a plurality of protection plate core 1P, according to every two face average face subsides of protection plate core 1P keep away a position baffle 7, moreover protection plate core 1P with keep away the mode that the face subsides set up anti-adhesion plate 8 between the position baffle 7, pile together in order.

And K, putting a plurality of laminated plates into a mould press, demolding after high temperature and high pressure for tens of minutes, and cooling.

And L, taking out the cooled product, detecting the performance index by using detection equipment, packaging and warehousing, thus obtaining the target product battery pack protection plate.

Another embodiment of the present invention provides a vehicle battery protection system using the guard plate core, including:

the protection plate core 1P is electrically connected with the battery pack and the vehicle host respectively;

a temperature sensor that monitors an actual temperature of the battery pack in real time;

the central control unit is connected with the temperature sensor, receives the actual temperature data of the battery pack transmitted by the temperature sensor and compares the actual temperature data with the temperature warning value;

the central control unit is also electrically connected with the power supply, and when the actual temperature data of the battery pack is greater than or equal to the temperature warning value, the central control unit controls the power supply to provide the metal wire with current with the current value not less than the fusing current value of the metal wire, so that the metal wire is fused.

In the above embodiment, the actual temperature of the battery pack is monitored in real time through the temperature sensor, and is transmitted to the central control unit, if the temperature exceeds a temperature warning value pre-stored in the central control unit, the central control unit controls the power supply to supply the metal wire with a current value not less than a fusing current value of the metal wire, so that the metal wire in the guard plate core cannot be born and is directly fused, and in the fusing process, because the metal wire is completely wrapped by the guard plate core, high-temperature heat in the metal wire cannot be transmitted out, so that the connection between the battery pack of the whole vehicle and a vehicle host is cut off, the battery pack is in a non-working state, and the battery pack can be cooled along with the metal wire, and the safety of the battery and the electric vehicle is ensured.

According to a preferred embodiment of the present invention, in the vehicle battery protection system, the central control unit is disposed in the vehicle host.

While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.