CN212033132U - Power battery electrode separation control device - Google Patents

Abstract

The utility model discloses a power battery electrode separation controlling means, including box, connecting device and apron, the inside of box is provided with the battery, the inside of fixed plate is provided with the insulation board, the fixed orifices has been seted up to the avris of fixed plate, the inboard of contact is provided with the insulating rod, and the outside of insulating rod installs the becket, the top outside of insulating rod is provided with the telescoping device of installing at the top of box, the outside at the fixed plate is installed to the apron. This power battery electrode separation controlling means cuts off short circuit group battery external current or other short circuit point electric energy sources and removes group battery high pressure state as far as possible when the condition of a fire appears and makes conflagration explosion point and short circuit point can not obtain the electric energy input in order to reduce the fault damage energy, and then avoids other normal group batteries because the phenomenon such as the thermal runaway, sympathetic flame are initiated to the heavy current, avoids the condition of putting out a fire for power battery extinguishing device is created to the fire behavior acceleration and spreads.

Description

Power battery electrode separation control device

Technical Field

The utility model relates to a relevant technical field of power battery specifically is a power battery electrode separation controlling means.

Background

With the development of the scientific and technological era, automobiles are increasingly used, and in the use of the automobiles, power batteries are needed to circulate electric power in the automobiles;

the power battery at the present stage is a high-voltage battery pack formed by serially connecting single battery cells, when a certain battery cell or an external circuit is short-circuited, the whole battery pack forms a short-circuit current path to enable each battery cell to bear short-circuit current, so that thermal runaway is extremely easy to cause, and fire is easy to diffuse comprehensively, meanwhile, the combustion process of the power battery pack easily causes the fire to repeat, and the fire cannot be extinguished for a long time, therefore, a power battery electrode separation control device is provided, so that the problems provided in the prior art are solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a power battery electrode separation controlling means to solve the current power battery that above-mentioned background art provided and draw easily and generate heat out of control, and make the condition of a fire very easily spread comprehensively, the condition of a fire relapse appears in power battery group combustion process simultaneously, and the problem of the condition of a fire can't put out for a long time.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a power battery electrode separation controlling means, includes box, connecting device and apron, the inside of box is provided with the battery, and the top of box installs the fixed plate, the inside of fixed plate is provided with the insulation board, and the inboard of insulation board is connected with the contact, the fixed orifices has been seted up to the avris of fixed plate, and the below of fixed plate is provided with connecting device, the inboard of contact is provided with the insulating rod, and installs the becket in the outside of insulating rod, the top outside of insulating rod is provided with the telescoping device of installing at the top of box, and the top of telescoping device installs solid fixed ring, gu fixed ring's inboard top is connected with and compresses tightly the bolt, the apron is installed in the outside of fixed plate, and the inboard of apron is fixed with.

Preferably, the batteries are distributed in the box body in an array manner, the positive electrode and the negative electrode at the bottom of the batteries are in staggered connection, and the positive electrode and the negative electrode at the top of the batteries are correspondingly connected with the contacts through the connecting device.

Preferably, the fixed plate is connected with the box body through a fixed bolt between the fixed hole and the box body, the inner sides of the fixed plate are provided with insulating plates at equal intervals, and the inner sides of the insulating plates are symmetrically provided with contacts.

Preferably, the outer side of the insulating rod is provided with metal rings at equal intervals, the metal rings and the contacts are correspondingly arranged, and the metal rings are correspondingly electrically connected with the connecting device and the battery through the contacts.

Preferably, the insulating rod is correspondingly inserted into the fixing ring, the insulating rod is correspondingly fixedly connected with the fixing ring through the compression bolt, and the insulating rod forms a left-right sliding structure on the outer side of the fixing plate through the telescopic device.

Preferably, the arc extinguishing preventing plates are installed in the cover plate at equal intervals, the arc extinguishing preventing plates are correspondingly clamped and connected with the insulating rod, and the arc extinguishing preventing plates and the metal rings are correspondingly arranged in a staggered mode.

Preferably, a protective sleeve is arranged outside the wiring terminal of the battery in the box body.

Compared with the prior art, the beneficial effects of the utility model are that: the power battery electrode separation control device cuts off the external current of the short-circuit battery pack or the electric energy source of other short-circuit points as far as possible when a fire occurs, so that the electric energy input cannot be obtained at the fire explosion point and the short-circuit point to reduce the fault damage energy, and further, the thermal runaway phenomenon caused by large current of other normal battery packs is avoided, further, the fire is prevented from spreading rapidly, and a fire extinguishing condition is created for the power battery fire extinguishing device; the structure of the device can greatly meet the structural characteristics of the power battery of the automobile, and the connecting points can be designed, increased and decreased according to the requirements of the battery pack.

The device can effectively slow down the speed that the conflagration spreads, and the battery extinguishing device of deuterogamying is very big probably put out the condition of a fire at the very first time, for saving people's lives and property provides more guarantees to can play and cut off the circuit, separate the short-circuit point, remove the effect of battery high pressure state, and can not too much increase the tie point circuit, still can use pneumatic means to realize the electric contact separation when automatically controlled part became invalid, also can install manual operation part additional when necessary and provide convenience for the maintenance.

Drawings

FIG. 1 is a front sectional structure of the present invention;

fig. 2 is a schematic view of the connection structure of the contact of the present invention;

fig. 3 is a schematic view of a top surface structure of the fixing plate of the present invention;

fig. 4 is a schematic view of the whole structure of the arc extinguishing preventing plate of the present invention.

In the figure: 1. a box body; 2. a battery; 3. a fixing plate; 4. an insulating plate; 5. a contact; 6. a fixing hole; 7. a connecting device; 8. an insulating rod; 9. a metal ring; 10. a telescoping device; 11. a fixing ring; 12. a compression bolt; 13. a cover plate; 14. an arc extinguishing plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a power battery electrode separation control device comprises a box body 1, a battery 2, a fixing plate 3, an insulating plate 4, a contact 5, a fixing hole 6, a connecting device 7, an insulating rod 8, a metal ring 9, a telescopic device 10, a fixing ring 11, a compression bolt 12, a cover plate 13 and an anti-extinguishing arc plate 14, wherein the battery 2 is arranged in the box body 1, the fixing plate 3 is installed at the top end of the box body 1, the insulating plate 4 is arranged in the fixing plate 3, the contact 5 is connected to the inner side of the insulating plate 4, the fixing hole 6 is formed in the side of the fixing plate 3, the connecting device 7 is arranged below the fixing plate 3, the insulating rod 8 is arranged on the inner side of the contact 5, the metal ring 9 is installed on the outer side of the insulating rod 8, the telescopic device 10 installed at the top of the box body 1 is arranged on the outer side of the top end of the insulating rod 8, the fixing, a cover plate 13 is installed at the outer side of the fixed plate 3, and a quenching preventing plate 14 is fixed at the inner side of the cover plate 13.

As shown in fig. 1 and 2, the batteries 2 are distributed in the box 1 in an array manner, the positive and negative electrodes at the bottom of the batteries 2 are connected in a staggered manner, and the positive and negative electrodes at the top of the batteries 2 are correspondingly connected with the contacts 5 through the connecting device 7, so that the circuits are conveniently communicated, and the serial connection of all the single batteries is realized.

As in fig. 1, 2 and 3, the fixing plate 3 is connected with the box 1 through the fixing bolt via the fixing hole 6, and the insulating plates 4 are arranged on the inner side of the fixing plate 3 at equal intervals, and the contacts 5 are symmetrically arranged on the inner side of the insulating plates 4, so that circuit connection is facilitated, and the communication of the circuit can be ensured. The connection means may be a cable or a connection bank. The wiring terminal of the battery in the box body can be provided with a protective sleeve, the internal protective sleeve can be formed by surrounding each wiring terminal through crossed insulating plates in a grid-shaped mode, and grooves can be formed in the insulating plates to enable wires and electrode connecting plates to penetrate conveniently.

Like the outside of insulating rod 8 in fig. 1 and 3 be equidistant fixed mounting have becket 9, and be corresponding the setting between becket 9 and the contact 5, and becket 9 corresponds electric connection between through contact 5 and connecting device 7 and battery 2, be convenient for make battery 2 intercommunication use through becket 9, and drive becket 9 through insulating rod 8 and slide, can guarantee the disconnection, correspond between insulating rod 8 and the solid fixed ring 11 and peg graft, and insulating rod 8 corresponds fixed connection through compressing tightly between 12 and the solid fixed ring 11, and insulating rod 8 passes through telescoping device 10 and constitutes the side-to-side sliding structure in the outside of fixed plate 3, be convenient for slide through the insulating rod 8 of telescoping device 10 automatic drive. One embodiment of the contact may be a reed; the outer side may be a contact piece and the inner side may be a terminal point, which is connected to a cable or a terminal block as the connection device 7 by screw crimping or soldering. The contact is typically copper. The telescopic device can be a telescopic cylinder or a telescopic motor.

The arc extinguishing preventing plates 14 are installed at equal intervals in the cover plate 13 in the figures 1 and 4, the arc extinguishing preventing plates 14 are correspondingly clamped and connected with the insulating rod 8, the arc extinguishing preventing plates 14 are correspondingly staggered with the metal ring 9, so that electric arcs are prevented conveniently, and the fire is prevented from repeating.

The working principle is as follows: when the power battery electrode separation control device is used, in operation and use, as shown in fig. 1 and 2, the batteries 2 are connected through the contacts 5 by using the connecting device 7, so that the single batteries 2 form a communication structure through the connecting device 7, the contacts 5 and the metal rings 9 to facilitate circuit communication, and electric power transmission is performed, when a short-circuit phenomenon occurs and a fire disaster occurs, for example, a vehicle-mounted fire alarm system finds that a vehicle is on fire, the controller sends a signal to the telescopic device 10, as shown in fig. 1 and 3, the telescopic device 10 drives the insulating rod 8 to slide on the inner side of the contacts 5 through the fixing ring 11 by extending the telescopic device 10, so that the metal rings 9 on the outer side of the insulating rod 8 are separated from the contacts 5, communication between the single batteries 2 is disconnected, the high-voltage state of a battery pack is relieved, and further, short-circuit current of an internal battery core fault point is greatly reduced or electric energy output to an external fault, in addition, as shown in fig. 1 and 4, the metal ring 9 is isolated by the arc extinguishing prevention plate 14, so that each battery 2 is isolated, electric arcs between the positive and negative electrodes of the battery 2 close to the upper part are prevented, fire is prevented, and the fire is prevented from repeating, and in addition, as shown in fig. 1 and 3, the insulating rod 8 is convenient to slide manually through the forward and reverse rotation of the pressing bolt 12, so that the maintenance and use are convenient, which is the whole working process of the power battery electrode separation control device, and the content which is not described in detail in the specification belongs to the prior art which is well known by persons skilled in the art.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (7)

1. The utility model provides a power battery electrode separation controlling means, includes box (1), connecting device (7) and outside apron (13), its characterized in that: the battery box is characterized in that a battery (2) is arranged inside the box body (1), a fixing plate (3) is installed at the top end of the box body (1), an insulating plate (4) is arranged inside the fixing plate (3), a contact (5) is connected to the inner side of the insulating plate (4), a fixing hole (6) is formed in the side of the fixing plate (3), a connecting device (7) is arranged below the fixing plate (3), an insulating rod (8) is arranged inside the contact (5), a metal ring (9) is installed on the outer side of the insulating rod (8), a telescopic device (10) installed at the top of the box body (1) is arranged on the outer side of the top end of the insulating rod (8), a fixing ring (11) is installed at the top end of the telescopic device (10), a pressing bolt (12) is connected to the top of the inner side of the fixing ring (11), and a, and an arc extinguishing preventing plate (14) is fixed on the inner side of the cover plate (13).

2. The power battery electrode separation control device according to claim 1, characterized in that: the batteries (2) are distributed in the box body (1) in an array mode, the positive and negative poles at the bottom of the batteries (2) are in staggered connection, and the positive and negative poles at the top of the batteries (2) are correspondingly connected with the contacts (5) through the connecting devices (7).

3. The power battery electrode separation control device according to claim 1, characterized in that: the fixed plate (3) is connected with the box body (1) through the fixed bolt between the fixed hole (6), the inner sides of the fixed plate (3) are provided with the insulating plates (4) at equal intervals, and the inner sides of the insulating plates (4) are symmetrically provided with the contacts (5).

4. The power battery electrode separation control device according to claim 1, characterized in that: the outside of insulating rod (8) is equidistant fixed mounting has becket (9), and be between becket (9) and contact (5) and correspond the setting to becket (9) correspond electric connection through between contact (5) and connecting device (7) and battery (2).

5. The power battery electrode separation control device according to claim 1, characterized in that: the insulating rod (8) and the fixing ring (11) are correspondingly inserted, the insulating rod (8) is correspondingly and fixedly connected with the fixing ring (11) through the compression bolt (12), and the insulating rod (8) forms a left-right sliding structure on the outer side of the fixing plate (3) through the telescopic device (10).

6. The power battery electrode separation control device according to claim 1, characterized in that: the arc extinguishing preventing plates (14) are installed in the cover plate (13) at equal intervals, the arc extinguishing preventing plates (14) are correspondingly clamped and connected with the insulating rod (8), and the arc extinguishing preventing plates (14) and the metal ring (9) are correspondingly arranged in a staggered mode.

7. The power battery electrode separation control device according to claim 1, characterized in that: and a protective sleeve is arranged outside the wiring terminal of the battery in the box body.

Images