CN213124675U

CN213124675U - Vehicle battery device and vehicle

Info

Publication number: CN213124675U
Application number: CN202022483596.9U
Authority: CN
Inventors: 李国兵; 于福成; 王斌宇; 于拴柱; 梁川
Original assignee: Svolt Energy Technology Co Ltd
Current assignee: Svolt Energy Technology Co Ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-05-04
Anticipated expiration: 2030-10-30

Abstract

The utility model relates to a battery device and vehicle of vehicle, battery device include casing (1) with set up in battery module (2), voltage processing module (3) and relay (4) in casing (1), relay (4) are established ties battery module (2) and use between the electrical apparatus, voltage processing module (3) with relay (4) electricity is connected in order to control the break-make of relay (4), voltage processing module (3) are used for real-time detection the voltage value of battery module (2), and cut off when the voltage value reaches the ultimate voltage value battery module (2) with the electricity of electrical apparatus is connected. The storage battery device can solve the technical problem of over-discharge of electric quantity.

Description

Vehicle battery device and vehicle

Technical Field

The present disclosure relates to the field of battery technologies, and in particular, to a battery device for a vehicle and a vehicle.

Background

The modern automobile industry is revolutionarily changing, and in the traditional fuel oil vehicle, the storage battery mainly plays a role in providing large current for the starter so as to ensure the normal starting of the automobile. In the case of an electric vehicle, the primary function of the battery is to provide power to the low voltage system, including an ignition switch, a lighting system, an air conditioning system, etc., in the power OFF mode and to provide static power consumption requirements for the various controllers while the vehicle is dormant. In the related art, the power supply and the residual electric quantity of the storage battery can not be effectively detected, and the electric quantity is easy to overdischarge to cause unrecoverable damage to the battery core.

SUMMERY OF THE UTILITY MODEL

The purpose of this disclosure is to provide a battery device of vehicle, this battery device can solve the technical problem of electric quantity overdischarge.

In order to achieve the above object, the present disclosure provides a storage battery device for a vehicle, where the storage battery device includes a housing, and a battery module, a voltage processing module, and a relay that are disposed in the housing, where the relay is connected in series between the battery module and an electrical device, the voltage processing module is electrically connected to the relay to control on/off of the relay, and the voltage processing module is configured to detect a voltage value of the battery module in real time, and cut off electrical connection between the battery module and the electrical device when the voltage value reaches a limit voltage value.

Optionally, the battery device includes a fuse connected in series between the relay and the battery module.

Optionally, the battery module includes a support and a plurality of electric cores, the support includes a plurality of electric core mounting frames that connect gradually along horizontal, and every electric core mounting frame has two mounting grooves that are in horizontal opposite direction sets up, and two adjacent mounting grooves of two adjacent electric core mounting frames are used for installing an electric core.

Optionally, each of the cell installation frames has an avoidance gap for expansion of the cell between two installation grooves of the cell installation frame.

Optionally, the support includes a first end plate and a second end plate, the first end plate and the second end plate each have a mounting groove, the first end plate is connected to the cell mounting frame located at the head end in the transverse direction, the second end plate is connected to the cell mounting frame located at the tail end in the transverse direction, and the first end plate, the second end plate and the plurality of cell mounting frames wrap the plurality of cells in the circumferential direction together.

Optionally, every the electricity core installing frame all has connection structure in fore-and-aft both sides, connection structure includes block tongue and the arch that sets up at horizontal interval, and the block tongue joint of an electricity core installation frame in two adjacent electricity core installation frames is in the arch of another electricity core installation frame, first end plate with all be formed with the arch on the second end plate, with block tongue joint.

Optionally, the voltage processing module is disposed on the first end plate, and each of the cell installation frames is formed with a limiting groove disposed along a vertical interval on both sides of the longitudinal direction, and the battery device includes a binding belt disposed and pressed in the circumferential direction on the first end plate, the voltage processing module, the second end plate and the outer side of the cell installation frame, and partially disposed in the limiting groove.

Optionally, the battery device includes a busbar, the busbar includes a positive busbar, a negative busbar and a connecting busbar connecting two cells in series, one end of the negative busbar is fixedly connected to the cell, the other end is connected to the fuse, and the fuse is electrically connected to the negative busbar and the relay.

Optionally, the casing includes upper housing and lower casing, upper housing has the protruding interior chamber of holding that makes progress, the interior chamber of holding is used for setting up the relay, lower casing holds the battery module, upper housing with lower casing passes through the structure and glues together, and this structure is glued and is used for providing upper housing with seal between the casing down.

According to a second aspect of the present disclosure, there is provided a vehicle comprising a battery device of the vehicle as described above.

Through the technical scheme, in the battery device of the vehicle of this disclosure, the battery module can provide the power for each electrical apparatus in the low pressure system, perhaps provide static consumption demand for a controller, consequently this battery module or electric core often have great depth of discharge, among the battery device of this application, voltage processing module can be to the voltage value real-time detection of battery module, play the function of monitoring promptly, can prevent when this voltage value exceeds ultimate voltage value that the battery module continues to supply power, can effectively prevent battery module overdischarge promptly, produce unrecoverable's damage to the battery module, voltage processing module and relay all are located the casing simultaneously, can guarantee the reliability of voltage processing module and relay.

Additional features and advantages of the disclosure will be set forth in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:

FIG. 1 is a schematic structural diagram of a battery device of a vehicle provided in accordance with an embodiment of the present disclosure;

fig. 2 is a schematic structural view of a battery device of a vehicle provided according to an embodiment of the present disclosure, with a lower case removed;

fig. 3 is a partial schematic structural view of a battery device of a vehicle provided according to an embodiment of the present disclosure, showing an upper case and a relay from a bottom view;

fig. 4 is a schematic structural view of a battery device of a vehicle provided according to an embodiment of the present disclosure, in which battery modules are provided;

fig. 5 is a schematic structural view of a battery device of a vehicle provided according to an embodiment of the present disclosure, in which a partial structure of a battery module is shown;

fig. 6 is a schematic structural diagram of a cell mounting frame in a battery device of a vehicle according to an embodiment of the present disclosure.

Description of the reference numerals

1-housing, 11-upper housing, 111-inner receiving cavity, 112-structural adhesive receiving groove, 12-lower housing, 2-battery module, 21-bracket, 211-battery cell mounting frame, 2111-mounting groove, 2112-avoiding notch, 2113-latch, 2114-protrusion, 2115-limiting groove, 212-first end plate, 213-second end plate, 22-battery cell, 3-voltage processing module, 4-relay, 5-fuse, 6-ribbon, 71-positive busbar, 72-negative busbar, 73-connecting busbar, 10-negative terminal, 20-positive terminal, 30-mounting protrusion, 40-connecting copper bar, 50-foam.

Detailed Description

The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.

In the present disclosure, unless otherwise stated, the use of directional words such as "upper and lower" is defined based on fig. 2, and specifically, reference is made to the direction of the drawing of fig. 2. In fig. 2, the transverse direction is represented by X direction, the longitudinal direction is represented by Y direction, and the vertical direction is represented by Z direction, i.e., up-down direction. "inner and outer" refer to the inner and outer contours of the respective component parts themselves. The terms "first and second" are used herein to distinguish one element from another, and are not necessarily order nor importance. Moreover, the following description refers to the accompanying drawings, in which like reference numerals refer to the same or similar elements throughout the different views, and the disclosure is not repeated here.

According to an embodiment of the present disclosure, a battery device for a vehicle is provided, one example of which is shown in fig. 1 to 6. Referring to fig. 1 to 4, the storage battery device includes a housing 1, and a battery module 2, a voltage processing module 3, and a relay 4 that are disposed in the housing 1, where the relay 4 is connected in series between the battery module 2 and an electrical device, the voltage processing module 3 is electrically connected to the relay 4 to control on/off of the relay 4, and the voltage processing module 3 is configured to detect a voltage value of the battery module 2 and cut off electrical connection between the battery module 2 and the electrical device when the voltage value reaches a limit voltage value.

Through the technical scheme, in the battery device of this disclosed vehicle, battery module 2 can provide the power for each electrical apparatus in the low pressure system, or provide static consumption demand for a controller, therefore this battery module 2 or electric core 22 often have great depth of discharge, in the battery device of this application, voltage processing module 3 can be to battery module 2's magnitude of voltage real-time detection, play the function of monitoring promptly, can prevent battery module 2 to continue to supply power when this magnitude of voltage surpasss the ultimate voltage value, can effectively prevent battery module 2 from overdischarging, produce unrecoverable's damage to battery module 2, voltage processing module 3 and relay 4 all are located casing 1 simultaneously, can guarantee voltage processing module 3 and relay 4's reliability.

It should be noted that the low-pressure system described above is well known to those skilled in the art, and the details of the present disclosure are not repeated herein. In addition, the present disclosure does not limit the specific structures of the battery module 2, the case 1, and the like, and the present disclosure will be described in detail in the following embodiments. In addition, the voltage processing module 3 may correspond to a battery management system, which is not limited in the present disclosure.

In the embodiment of the present disclosure, referring to fig. 2, the battery device includes a fuse 5, and the fuse 5 is connected in series between the relay 4 and the battery module 2. In this way, the fuse 5 can be automatically fused when the discharge current of the battery module 2 exceeds the maximum current value that can be borne, thereby preventing the electric core 22 from being damaged by excessive current. Here, specific connections of the fuse 5 to the relay 4 and the battery module 2 will be described in detail in the following embodiments.

In some embodiments of the present disclosure, the battery module 2 may be configured in various ways, and referring to fig. 4 to 6, the battery module 2 may include a support 21 and a plurality of battery cells 22, the support 21 includes a plurality of battery cell mounting frames 211 connected in sequence in a transverse direction, each battery cell mounting frame 211 has two mounting grooves 2111 arranged oppositely in the transverse direction, and two adjacent mounting grooves 2111 of two adjacent battery cell mounting frames 211 are used for mounting one battery cell 22. Here, the mounting groove 2111 can provide a mounting space for the battery cell 22, and the adjacent mounting grooves 2111 of two different battery cell mounting frames 211 can enable one battery cell 22 to be clamped by two battery cell mounting frames 211, so that the stability of the battery cell 22 can be ensured, and the connection of a plurality of battery cell mounting frames 211 can facilitate the assembly of the battery module 2.

In some embodiments of the present disclosure, referring to fig. 6, each of the cell mounting frames 211 has an avoidance notch 2112 for expanding the cell 22 between its two mounting slots 2111. In this way, the avoiding notch 2112 can allow the battery cell 22 to expand to a certain extent in the transverse direction, so as to prevent the battery cell 22 from being squeezed. Here, the size of the avoidance gap 2112 in the transverse direction may be 1mm, which is not limited by the present disclosure.

In some embodiments of the present disclosure, referring to fig. 5, the bracket 21 may include a first end plate 212 and a second end plate 213, each of the first end plate 212 and the second end plate 213 has one mounting groove 2111, the first end plate 212 is connected to the cell mounting frame 211 located at the front end in the lateral direction, the second end plate 213 is connected to the cell mounting frame 211 located at the rear end in the lateral direction, and the first end plate 212, the second end plate 213, and the plurality of cell mounting frames 211 together wrap the plurality of cells 22 in the circumferential direction. Like this, a plurality of electric cores 22 can keep in relatively fixed position, and can not receive big damage in circumference, and then guarantee the stability of battery module 2 self. Here, according to some embodiments, referring to fig. 5, foam 50 may be disposed between the battery cell 22 and the first end plate 212 and the second end plate 213 to play a role of buffering and shock absorption, which is not limited by the present disclosure.

Alternatively, as shown in fig. 4 to fig. 6, each of the cell mounting frames 211 has a connection structure at two longitudinal sides, the connection structure includes a latch 2113 and a protrusion 2114 which are arranged at an interval in the transverse direction, the latch 2113 of one cell mounting frame 211 of two adjacent cell mounting frames 211 is latched to the protrusion 2114 of the other cell mounting frame 211, so that the two cell mounting frames 211 can be detachably connected by a latching manner, the protrusions 2114 are formed on the first end plate 212 and the second end plate 213 to be latched to the latch 2113, so that the first end plate 212 and the second end plate 213 can also be detachably connected to the cell mounting frames 211, and the battery module 2 of the present application can be conveniently and quickly assembled and disassembled.

Alternatively, as shown in fig. 4 to 6, the voltage processing module 3 may be disposed on the first end plate 212, each of the cell mounting frames 211 is formed with a limiting groove 2115 disposed at a vertical interval on both sides in the longitudinal direction, and the battery device includes a band 6, and the band 6 is disposed in the circumferential direction and pressed outside the first end plate 212, the voltage processing module 3, the second end plate 213, and the cell mounting frame 211, and is partially disposed in the limiting groove 2115. Here, the tie 6 can reliably press the voltage processing module 3 against the first end plate 212 on the one hand, and can firmly tie the first end plate 212, the second end plate 213, and the cell mounting frame 211 together on the other hand, thereby reducing the rattling of the battery module 2.

According to the embodiment of the present disclosure, referring to fig. 2 to 4, a mounting screw may be disposed on the first end plate 212, the mounting screw is used to fix the fuse 5 to the first end plate 212, the battery device may include a bus bar, the bus bar includes a positive bus bar 71, a negative bus bar 72, and a connecting bus bar 73 connecting two cells 22 in series, one end of the negative bus bar 72 is fixedly connected to the cell 22, and the other end is connected to the fuse 5, here, the negative bus bar 72 may have a bent section connected to the fuse 5, the fuse 5 electrically connects the negative bus bar 72 and the relay 4, specifically, the upper housing 11 may be disposed with a negative terminal 10 and a positive terminal 20, the negative terminal 10 may be connected to a positive terminal of the relay 4 through a connecting copper bar 40, and a negative terminal of the relay 4 may be connected to a positive terminal of the fuse 5 through another connecting copper bar 40, the negative terminal of the fuse 5 can be connected to the negative bus bar 72, and the fuse 5 realizes the electrical connection of the relay 4 to the negative bus bar 72.

According to the specific embodiment of the present disclosure, referring to fig. 1 to 3, the housing may include an upper housing 11 and a lower housing 12, the upper housing 11 has an inner accommodating cavity 111 protruding upwards, the inner accommodating cavity 111 is used for disposing the relay 4, so that the space occupied by the lower housing 12 can be reduced, the lower housing 12 accommodates the battery module 2, the upper housing 11 and the lower housing 12 are bonded together through a structural adhesive, and the structural adhesive is used for providing sealing between the upper housing 11 and the lower housing 12, so that on one hand, the structural adhesive can realize the fixed connection between the upper housing 11 and the lower housing 12, on the other hand, the sealing between the upper housing 11 and the lower housing 12 can be realized, and further, the sealing performance of the housing 1 is ensured. Here, according to some embodiments, referring to fig. 3, a structural adhesive receiving groove 112 is formed on an inner wall of the upper case 11, and structural adhesive can be previously disposed in the structural adhesive receiving groove 112 when the upper case 11 is bonded to the lower case 12, which is not limited by the present disclosure.

Further, referring to fig. 1, the battery device may be connected to the vehicle through the mounting protrusion 30, which is not limited by the present disclosure.

According to a second aspect of the present disclosure, there is provided a vehicle including the battery device of the vehicle as described above, whereby the vehicle can ensure stable operation of its own low-voltage system and respective controllers.

The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.

It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.

In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.

Claims

1. The storage battery device of the vehicle is characterized by comprising a shell (1), a battery module (2), a voltage processing module (3) and a relay (4), wherein the battery module (2), the voltage processing module (3) and the relay (4) are arranged in the shell (1), the relay (4) is connected in series between the battery module (2) and an electrical appliance, the voltage processing module (3) is electrically connected with the relay (4) to control the on-off of the relay (4), the voltage processing module (3) is used for detecting the voltage value of the battery module (2) in real time, and the battery module (2) is cut off from the electrical connection of the electrical appliance when the voltage value reaches a limit voltage value.

2. The battery device of a vehicle according to claim 1, characterized in that the battery device includes a fuse (5), and the fuse (5) is connected in series between the relay (4) and the battery module (2).

3. The battery device of the vehicle according to claim 1 or 2, wherein the battery module (2) comprises a bracket (21) and a plurality of battery cells (22), the bracket (21) comprises a plurality of battery cell mounting frames (211) which are sequentially connected in the transverse direction, each battery cell mounting frame (211) is provided with two mounting grooves (2111) which are oppositely arranged in the transverse direction, and two adjacent mounting grooves (2111) of two adjacent battery cell mounting frames (211) are used for mounting one battery cell (22).

4. The battery device of a vehicle according to claim 3, wherein each of the cell mounting frames (211) has an escape notch (2112) between its two mounting grooves (2111) for expanding the cell (22).

5. The battery device of a vehicle according to claim 3, wherein the bracket (21) includes a first end plate (212) and a second end plate (213), the first end plate (212) and the second end plate (213) each have one mounting groove (2111), the first end plate (212) is connected to the cell mounting frame (211) located at the front end in the lateral direction, the second end plate (213) is connected to the cell mounting frame (211) located at the rear end in the lateral direction, and the first end plate (212), the second end plate (213), and the plurality of cell mounting frames (211) collectively wrap the plurality of cells (22) in the circumferential direction.

6. The battery device of the vehicle according to claim 5, wherein each of the cell mounting frames (211) has a connecting structure at both longitudinal sides, the connecting structure includes a latch (2113) and a protrusion (2114) arranged at a distance in the transverse direction, the latch (2113) of one cell mounting frame (211) of two adjacent cell mounting frames (211) is latched to the protrusion (2114) of the other cell mounting frame (211),

and the first end plate (212) and the second end plate (213) are respectively provided with a bulge (2114) so as to be clamped with the clamping tongue (2113).

7. The battery device of a vehicle according to claim 6, wherein the voltage processing modules (3) are provided on the first end plate (212), each of the cell mounting frames (211) is formed with a stopper groove (2115) provided at a vertical interval on both sides in the longitudinal direction, and the battery device includes a band (6), and the band (6) is circumferentially arranged and pressed outside the first end plate (212), the voltage processing modules (3), the second end plate (213), and the cell mounting frame (211), and is partially provided in the stopper groove (2115).

8. The battery device of a vehicle according to claim 1, characterized in that the battery device comprises busbars comprising a positive busbar (71), a negative busbar (72) and a connecting busbar (73) connecting two cells (22) in series,

one end of the negative bus bar (72) is fixedly connected to the battery core (22), the other end of the negative bus bar is connected to the fuse (5), and the fuse (5) is electrically connected with the negative bus bar (72) and the relay (4).

9. The battery device for a vehicle according to claim 1, wherein the case includes an upper case (11) and a lower case (12), the upper case (11) has an inner receiving chamber (111) protruding upward, the inner receiving chamber (111) is used to set the relay (4), the lower case (12) receives the battery module (2), and the upper case (11) and the lower case (12) are bonded together by a structural adhesive for providing sealing between the upper case (11) and the lower case (12).

10. A vehicle characterized by comprising a battery device of the vehicle according to any one of claims 1 to 9.