CN210430017U

CN210430017U - Battery box

Info

Publication number: CN210430017U
Application number: CN201921637689.3U
Authority: CN
Inventors: 邓勇明; 陈雄伟; 邓潘潘
Original assignee: Shenzhen Cpkd Technology Co ltd
Current assignee: Shenzhen Cpkd Technology Co ltd
Priority date: 2019-09-27
Filing date: 2019-09-27
Publication date: 2020-04-28
Anticipated expiration: 2029-09-27

Abstract

The utility model provides a battery box, include: a box body; the battery module is arranged in the box body; the BMS battery panel is arranged outside the box body and is detachably connected with one side surface of the box body; a conductive first connection part provided to the BMS battery panel and electrically connected to the BMS battery panel; a first connector provided at the BMS battery panel and electrically connected with the BMS battery panel; the conductive second connecting part is arranged on the outer surface of the box body, one end of the second connecting part is in touch connection with the first connecting part, and the other end of the second connecting part is electrically connected with the battery module; the second connector is arranged on the outer surface of the box body, one end of the second connector is connected with the first connector in an inserting mode, and the other end of the second connector is electrically connected with the battery module. The application provides a battery box has solved the inconvenient maintenance of battery box and has changed the technical problem of BMS panel among the prior art.

Description

Battery box

Technical Field

The utility model relates to a battery technology field especially relates to a battery box.

Background

Lithium ion batteries have been widely used in many mobile devices in the fields of national defense, industry and civilian use because of their advantages of high energy density, small size, long service life, small self-discharge, etc. Lithium batteries have become the top industry in the field of energy storage due to their advantages of long life, environmental protection, and the like, and are widely used in important industries such as electric vehicles, energy storage devices, and the like.

At present, the lithium BATTERY adopts BMS (BATTERY MANAGEMENT SYSTEM ) to realize the protect function of BATTERY, and the BMS panel is installed usually and is fixed in the inside of BATTERY box, breaks down when BATTERY BMS panel, need unpack apart the BATTERY box during the maintenance, and the wire in the box is complicacy complicatedly done again, and the material loss is big, can not change even, is not convenient for maintain, change BATTERY BMS panel.

The above is only for the purpose of assisting understanding of the technical solutions of the present application, and does not represent an admission that the above is prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a battery box aims at solving the inconvenient maintenance of battery box among the prior art and changes the technical problem of BMS panel.

To achieve the above object, the present application provides a battery box, including:

a box body;

the battery module is arranged in the box body;

the BMS battery panel is arranged outside the box body and is detachably connected with one side surface of the box body;

a conductive first connection part provided to the BMS battery panel and electrically connected to the BMS battery panel;

a first connector provided at the BMS battery panel and electrically connected with the BMS battery panel;

the conductive second connecting part is arranged on the outer surface of the box body, one end of the second connecting part is in touch connection with the first connecting part, and the other end of the second connecting part is electrically connected with the battery module;

the second connector is arranged on the outer surface of the box body, one end of the second connector is connected with the first connector in an inserting mode, and the other end of the second connector is electrically connected with the battery module.

Optionally, the first connection part and the BMS battery panel are fixed in a glue filling manner.

Optionally, the first connector and the BMS battery panel are fixed in a glue filling manner.

Optionally, the box is enclosed by bottom plate, roof and a plurality of curb plate and closes and form, the one end of bottom plate is to keeping away from one side direction of box extends and forms the extension end, the second connecting portion the second connector is located the extension end is towards the side of BMS panel.

Optionally, the first connection part and the first connector are provided at a side of the BMS battery panel facing the case.

Optionally, the side of the BMS battery panel facing away from the box is provided with a fixing plate, the fixing plate extends towards the direction of one side of the middle of the box, and the fixing plate is connected with the box through a bolt.

Optionally, one side of the lengthened end facing the BMS battery board is provided with two opposite limiting parts, the opposite sides of the BMS battery board are respectively provided with a limiting groove corresponding to the limiting parts, and the limiting parts are arranged in the limiting grooves to enable the BMS battery board to slide along the limiting parts.

Optionally, the first connection portion is shaped like a cylinder, and the second connection portion is shaped like a sheet and has elasticity.

Optionally, the top plate is detachably connected with the side plate, one side, deviating from the bottom plate, of the top plate is provided with a gripper, and the gripper is hinged to the top plate.

Compared with the prior art, the utility model provides an among the technical scheme, through setting up at the outside detachable BMS panel of box, when maintaining or changing the BMS panel, need not open the box, convenience when having improved the maintenance, moreover, the grafting of the first connector that utilizes to set up and second connector, the touching of first connecting portion and second connecting portion is connected, not only realized that the BMS panel is connected with the electricity of battery module, still be convenient for the dismouting of BMS panel and battery module, the maintenance and the change of BMS panel have further been made things convenient for.

Drawings

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

Fig. 1 is a schematic structural diagram of an embodiment of the battery box of the present invention;

fig. 2 is an exploded view of the battery box according to the embodiment of the present invention;

fig. 3 is a schematic structural view of a BMS battery panel in an embodiment of the battery box of the present invention;

fig. 4 is a schematic diagram of another view of the BMS panel in an embodiment of the battery box of the present invention;

fig. 5 is a schematic structural diagram of a box body in an embodiment of the battery box of the present invention.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				1	Box body	101	Base plate
102	Side plate	103	Top board
				104	Lengthened end	105	Gripper
2	BMS battery panel	201	First connecting part
				202	First connector	3	Second connecting part
4	Second connector	5	Fixing sheet
				6	Limiting part	7	Limiting groove

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that all the directional indications (such as up, down, left, right, front, and rear … …) in the embodiment of the present application are only used to explain the relative position relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indication is changed accordingly.

In addition, descriptions in this application as to "first", "second", etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In addition, technical solutions between the various embodiments of the present application may be combined with each other, but it must be based on the realization of the technical solutions by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should be considered to be absent and not within the protection scope of the present application.

As shown in fig. 1, fig. 2, and fig. 4, an embodiment of the present invention provides a battery box, including:

a box body 1;

the battery module is arranged in the box body 1;

the BMS battery plate 2 is arranged outside the box body 1 and is detachably connected with one side surface of the box body 1;

a conductive first connection part 201 provided at the BMS battery panel 2 and electrically connected to the BMS battery panel 2;

a first connector 202 provided at the BMS battery panel 2 and electrically connected to the BMS battery panel 2;

the conductive second connecting part 3 is arranged on the outer surface of the box body 1, one end of the second connecting part 3 is in touch connection with the first connecting part 201, and the other end of the second connecting part 3 is electrically connected with the battery module;

and the second connector 4 is arranged on the outer surface of the box body 1, one end of the second connector 4 is inserted into the first connector 202, and the other end of the second connector is electrically connected with the battery module.

In the technical scheme adopted in this embodiment, in order to facilitate the maintenance or replacement of the BMS panel 2, the battery module is disposed inside the box 1, and simultaneously, the BMS panel 2 is disposed outside the box 1 and is detachably and fixedly connected to the box 1, when the BMS panel 2 fails, and the maintenance or replacement is required, the battery module 2 can be directly detached without opening the box 1, thereby improving the convenience in maintenance, and simultaneously, in order to ensure the control of the battery module by the BMS panel 2, i.e., the electrical connection between the battery module and the box 2, so as to realize the acquisition and transmission of signals and current, the first connector 202 and the first connecting part 201 are disposed on the BMS panel 2 and electrically connected to the BMS panel, the corresponding second connector 4 and the second connecting part 3 are disposed outside the box 1, and the insertion connection between the first connector 202 and the second connector 4 is utilized, First connecting portion 201 is connected with the touching of second connecting portion 3, has not only realized the electricity of BMS panel 2 with the battery module and has been connected, and the dismouting of BMS panel 2 and battery module of still being convenient for has further made things convenient for the maintenance and the change of BMS panel 2.

Specifically, the box body 1 is a housing with a cavity, and the shape of the housing can be square, rectangular, and the like, and can be freely selected according to specific situations, as long as the housing can provide a containing space meeting the requirements. Be equipped with a plurality of battery module in the inside of box 1 in order to be used for providing stable, reliable power, can use the wire to establish ties between a plurality of battery module, and is preferred, and the battery module is the lithium cell because lithium ion battery has advantages such as high energy, density, small, long service life, and self-discharge is little, environmental protection. BMS panel 2 is a circuit board, can purchase on the existing market universal circuit board can, and its effect is to the communication of battery module or the energy storage control management, and BMS panel 2 can adopt the mode of joint, bolt to fix with box 1. First connecting portion 201 and the touching of second connecting portion 3 are connected, the transmission of heavy current between the two has been realized, the mode that the touching is connected is more stable, the circuit breaking condition that appears when can avoiding adopting the wire to connect, more importantly, it is more convenient when changing BMS panel 2, need not frequent welding wire, the mode of wire can be adopted with BMS panel 2's link to first connecting portion 201, and, first connecting portion 201 is fixed at BMS panel 2, because two constitute a whole, when changing, change simultaneously can, preferably, first connecting portion 201 and second connecting portion 3 can adopt the better metallic copper piece of electrically conductive effect. First connector 202 pegs graft with second connector 4, it can be understood that, first connector 202 is plug or socket, it is corresponding, second connector 4 is socket or plug, thereby realize grafting between them, its main role is the signal of gathering the battery module, and carry out the transmission of undercurrent signal, and simultaneously, it is more convenient when changing BMS panel 2, also with frequent welding wire, the convenience and the efficiency of maintenance change have been improved, the mode of wire can be adopted with the link of BMS panel 2 to first connector 202, and, first connector 202 is fixed at BMS panel 2, because two constitute a whole, when changing, it can to change simultaneously.

Further, the first connector 201 is fixed to the BMS panel 2 in a potting manner, and the first connector 202 is fixed to the BMS panel 2 in a potting manner.

In the technical scheme that this embodiment adopted, in order to reduce the use of raw and other materials, reduction in production cost adopts the mode of encapsulating, fixes first connecting portion 201, first connector 202 respectively with BMS panel 2, and the mode through the encapsulating makes it fix into a whole, avoids adopting traditional shell to protect BMS panel 2, and sealed, fixed, effect such as waterproof is better. It should be noted that after the glue is filled, the first connection portions 201 and the first connectors 202 protrude from the surface of the whole structure, so as to electrically connect with the second connection portions 3 and the second connectors 4.

Further, referring to fig. 5, the case 1 is enclosed by a bottom plate 101, a top plate 103, and a plurality of side plates 102, one end of the bottom plate 101 extends in a direction away from the case 1 to form an elongated end 104, and the second connecting portion 3 and the second connector 4 are disposed on a side surface of the elongated end 104 facing the BMS battery panel 2.

In the technical solution adopted in this embodiment, a closed space is enclosed by the bottom plate 101, the top plate 103 and the side plates 102, preferably, the bottom plate 101, the top plate 103 and the side plates 102 may be fixed by rivets or by bonding to provide a space for accommodating the battery module, in order to provide a space for installing the second connecting portion 3 and the second connector 4, an extended end 104 is provided, the extended end 104 is formed by extending one end of the bottom plate 101 to a side away from the case 1, it can be understood that one of the side plates 102 is not installed at the edge of the bottom plate 101 when being installed, the portion between the side plate 102 and the edge of the bottom plate 101 constitutes the extended end 104, preferably, the second connecting portion 3 and the second connector 4 are arranged side by side at the extended end 104, and the extended end 104 is provided with an installation opening, after the second connecting portion 3 and the second connector 4 are electrically connected with the battery module, projecting from the elongated end 104.

Further, referring to fig. 2 and 4, the first connection part 201 and the first connector 202 are provided at a side surface of the BMS battery panel 2 facing the case 1.

In the technical solution adopted in this embodiment, in order to facilitate the electrical connection between the first connection portion 201 and the second connection portion 3, and between the first connector 202 and the second connector 4, the first connection portion 201 and the first connector 202 are disposed on the side of the BMS battery panel 2 facing the case 1, so that the first connection portion 201 and the second connection portion 3, and the first connector 202 and the second connector 4 are disposed opposite to each other, thereby facilitating the assembly and disassembly.

Further, referring to fig. 2, 3 and 4, a fixing plate 5 is disposed on a side surface of the BMS battery panel 2 facing away from the case 1, the fixing plate 5 extends in a direction toward one side of the middle of the case 1, and the fixing plate 5 is connected to the case 1 by a bolt.

In the technical scheme that this embodiment adopted, stationary blade 5 sets up in the side of BMS panel 2 box 1 dorsad, that is to say with be equipped with first connecting portion 201, the side relative of the side of first connector 202, when guaranteeing that BMS panel 2 is connected with the battery module electricity, the fixing of BMS panel 2 with box 1 has been realized, moreover, stationary blade 5 has increased the contact surface with box 1 and has connect, thereby fixed effect has been improved, through bolted connection, it is fixed convenient, and the dismantlement is convenient for.

Further, referring to fig. 2, one side of the lengthened end 104 facing the BMS battery panel 2 is provided with two opposite limiting parts 6, opposite sides of the BMS battery panel 2 are respectively provided with a limiting groove 7 corresponding to the limiting parts 6, and the limiting grooves 7 are arranged in the limiting parts 6 to enable the BMS battery panel 2 to slide along the limiting parts 6.

In the technical scheme adopted in this embodiment, the cooperation of limiting part 6 and limiting groove 7 is used for limiting the movement of BMS battery panel 2, specifically, when electrically connecting BMS battery panel 2 with the battery module, limiting groove 7 of BMS battery panel 2 is inserted from the top end of limiting part 6, that is, the end far away from elongated end 104, and slides downwards along limiting part 6 until abutting against elongated end 104, thereby realizing the electrical connection of first connecting part 201 with second connecting part 3, first connector 202 with second connector 4. Specifically, the stopper 6 is perpendicular to the elongated end 104 and extends in a direction close to the top plate 101, the stopper grooves 7 are provided on opposite sides of the BMS battery panel 2 perpendicular to the elongated end 104, and the stopper grooves 7 are provided in a direction perpendicular to the elongated end 104. Preferably, the length that spacing portion 6 was arranged in spacing groove 7 is slightly less than the groove depth of spacing groove 7, and it can be understood that spacing portion 6 is clearance connection, that is contactless towards the one end of BMS panel 2 and the bottom surface of spacing groove 7, and sliding BMS panel 2 that like this can be relatively light, labour saving and time saving.

Further, referring to fig. 2 and 4, the first connection portion 201 is shaped like a cylinder, and the second connection portion 3 is shaped like a sheet and has elasticity.

In the technical scheme that this embodiment adopted, set up the shape of first connecting portion 201 into the cylinder, the shape of second connecting portion 3 sets up to the slice for first connecting portion 201 can touch with second connecting portion 3 completely, and in addition, second connecting portion 3 has elasticity, and first connecting portion 201 is inseparabler with being connected of second connecting portion 3, thereby guarantees signal transmission's stability.

Further, referring to fig. 5, the top plate 103 is detachably connected to the side plate 102, a hand grip 105 is disposed on a side of the top plate 103 away from the bottom plate 101, and the hand grip 105 is hinged to the top plate 103.

In the technical scheme adopted by this embodiment, the top plate 103 and the side plate 102 are detachably connected to conveniently mount the battery module, that is, the top plate 103 is detached when the battery module is mounted, and the top plate 103 is mounted after the battery module is mounted. Meanwhile, the arranged hand grip 105 can conveniently lift the top plate 103, and the hand grip 105 is hinged with the top plate 103, so that the hand grip 105 can be stored when not used, and the space is saved.

The above description is only a preferred embodiment of the present application, and not intended to limit the scope of the present application, and all modifications and equivalents of the technical solutions that can be directly or indirectly applied to other related fields without departing from the spirit of the present application are intended to be included in the scope of the present application.

Claims

1. A battery box, comprising:

a box body;

the battery module is arranged in the box body;

2. The battery box according to claim 1, wherein the first connection part is fixed to the BMS panel in a potting manner.

3. The battery box according to claim 1, wherein the first connector is fixed to the BMS panel in a potting manner.

4. The battery box according to any one of claims 1 to 3, wherein the box body is enclosed by a bottom plate, a top plate and a plurality of side plates, one end of the bottom plate extends in a direction away from one side of the box body to form an elongated end, and the second connecting portion and the second connector are provided on a side of the elongated end facing the BMS battery panel.

5. The battery box according to claim 4, wherein the first connection part and the first connector are provided at sides of the BMS battery panel facing the case body.

6. The battery box according to claim 5, wherein a fixing plate is provided on a side of the BMS battery panel facing away from the box body, the fixing plate extending in a direction toward a side of a middle portion of the box body, the fixing plate being coupled to the box body by bolts.

7. The battery case of claim 6, wherein the elongated end is provided at one side thereof facing the BMS battery plate with two opposite catching parts, and opposite sides of the BMS battery plate are respectively provided with a catching groove corresponding to the catching parts, the catching parts being seated in the catching grooves so that the BMS battery plate slides along the catching parts.

8. The battery box according to claim 7, wherein the first connecting portion has a cylindrical shape, and the second connecting portion has a sheet-like shape and has elasticity.

9. The battery box of claim 8, wherein the top plate is detachably connected to the side plates, and a grip is provided on a side of the top plate facing away from the bottom plate and hinged to the top plate.