CN220290752U

CN220290752U - Integrated flip cover protection structure of battery cutting unit shell

Info

Publication number: CN220290752U
Application number: CN202321966691.1U
Authority: CN
Inventors: 丁潇潇
Original assignee: Anhui Ningsheng Automotive Parts Co ltd
Current assignee: Anhui Ningsheng Automotive Parts Co ltd
Priority date: 2023-07-25
Filing date: 2023-07-25
Publication date: 2024-01-02
Anticipated expiration: 2033-07-25

Abstract

The utility model relates to an integrated flip cover protection structure of a battery cutting unit shell, which belongs to the technical field of battery cutting units and comprises a lower shell assembly and an upper shell assembly, wherein a plurality of fixing clamps are arranged on the upper edge of the lower shell assembly, the upper shell assembly comprises a fixing cover, a movable cover I and a movable cover II, fixing buckles are arranged on the fixing cover, the movable cover I and the movable cover II, the fixing buckles are connected with the fixing buckles in a closing manner, a fuse is arranged below the movable cover I, a current divider is arranged below the movable cover II, the fuse and the current divider are respectively connected with the anode and the cathode of a battery, the battery can be connected only by opening the movable cover I and the movable cover II, the fixing cover, the movable cover I and the movable cover II are integrally structured, the integral die is integrally removed during production, and the integral connection stability is high, so that the whole battery cutting unit has good integrity.

Description

Integrated flip cover protection structure of battery cutting unit shell

Technical Field

The utility model belongs to the technical field of battery cutting units, and particularly relates to an integrated flip cover protection structure of a battery cutting unit shell.

Background

BDU (BatteryDisconnectUnit) battery pack circuit breaking unit is specially designed for the interior of a power battery, and is used as a distribution box, when a power battery system reports errors, BDU can cut off the internal current of the power battery, and system safety is guaranteed.

The existing automobile BDU has the defect that safety is not high enough, the protective cover which is concretely expressed on the BDU is of an integral structure of a hinged or protective cover and an rectifying cover plate, the protective covers in two situations are not high in all integration, time-consuming installation is needed, the risk of insecurity in installation exists, moreover, the BDU and a connecting wire connected with a battery are positioned at an opening part on the BDU, the integral opening is large, and the connecting wire shakes to cause some row hazards such as looseness and the like, so that the automobile BDU has the safety defect above to be solved.

In view of this, there is a need for a highly secure BDU structure.

Disclosure of Invention

1. Technical problem to be solved by the utility model

The utility model aims to provide an integrated flip cover protection structure of a battery cutting unit shell, so as to solve the problems.

2. Technical proposal

In order to achieve the above purpose, the technical scheme provided by the utility model is as follows:

the utility model relates to an integrated flip protection structure of a battery cutting unit shell, which comprises a lower shell assembly and an upper shell assembly, wherein a plurality of fixing clamps are arranged on the upper edge of the lower shell assembly, the upper shell assembly comprises a fixing cover, a first movable cover and a second movable cover, the fixing covers, the first movable cover and the second movable cover are respectively provided with a fixing buckle, the fixing buckles and the fixing buckles are connected, the first movable cover and the second movable cover are respectively connected with the fixing covers through bending structures, the fixing covers are provided with matching clamps, when the first movable cover and the second movable cover are respectively buckled with the fixing buckles on the lower shell assembly, the matching clamps are pressed on the first movable cover and the second movable cover, a fuse is arranged below the first movable cover, a shunt is arranged below the second movable cover, the fuse and the shunt are respectively connected with an anode and a cathode of a battery, protection cylinder is arranged in the first movable cover and the second movable cover, the protection cylinder is sleeved with a protection groove, the protection cylinder is used for protecting a connecting bolt on the fuse and the shunt, the lower shell assembly is provided with a notch, and the protection groove is positioned in the protection groove, and a wire connecting wire of the battery is positioned in the protection bolt.

Preferably, a mounting platform is arranged in the lower shell assembly, the fuse and the current divider are mounted on the mounting platform, and a heat dissipation long hole is formed in the mounting platform.

Preferably, the upper end of the lower shell assembly is provided with a heat dissipation barrier, and the fixed cover is pressed on the upper end of the heat dissipation barrier.

Preferably, the fixing cover is provided with a plurality of groups of hollow group structures, and the plurality of groups of hollow group structures are symmetrically arranged on the fixing cover.

Preferably, a relay mounting seat is arranged in the lower shell assembly, a pre-charging relay is arranged in the relay mounting seat, an opening is arranged below the relay mounting seat, a clamping plate is arranged on the relay mounting seat, and the pre-charging relay is mounted from the opening of the lower part and clamped in the relay mounting seat by the clamping plate.

Preferably, the edge of the fixed cover is provided with a sealing edge, and the sealing edge is pressed on the upper edge opening of the upper shell assembly.

Preferably, a plurality of groups of cards are arranged on the protective wire slot, a second clamping plate is arranged on the cards, and the connecting wire is clamped by the second clamping plate and the protective wire slot.

3. Advantageous effects

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:

according to the integrated flip protection structure of the battery cutting unit shell, the battery can be connected only by opening the first movable cover and the second movable cover, wherein the fixed cover, the first movable cover and the second movable cover are of an integrated structure, and are integrally ejected during production, so that the integral connection stability is high, the integral performance of the whole battery cutting unit is further good, the safety is high, the protection of the connecting wire is particularly provided, the connecting wire cannot shake in the BDU, the connection stability is kept, and the safety is further improved.

Drawings

Fig. 1 is a schematic view showing the overall structure of an integrated flip cover protection structure of a battery cutting unit housing according to the present utility model;

FIG. 2 is a schematic view of an upper housing assembly of an integrated flip cover protection structure for a battery cutoff unit housing according to the present utility model;

fig. 3 is a schematic structural view of a mounting platform of an integrated flip cover protection structure of a battery cutoff unit housing according to the present utility model;

fig. 4 is a schematic structural view of a relay mount of the integrated flip cover protection structure of the battery cutoff unit housing according to the present utility model;

fig. 5 is a schematic structural view of a protective slot of an integrated flip cover protective structure for a battery cutting unit housing according to the present utility model.

Reference numerals in the schematic drawings illustrate:

100. a lower housing assembly; 110. a fixing clip; 120. a mounting platform; 121. a heat dissipation long hole; 130. heat dissipation barrier; 140. a relay mounting base; 141. a clamping plate;

200. an upper housing assembly; 210. a fixed cover; 211. a mating card; 212. sealing edges; 220. a movable cover I; 221. a fuse; 230. a movable cover II; 231. a shunt; 240. a fixing buckle; 250. a bending structure; 260. a hollow group structure; 270. a protection cylinder; 280. a protective wire chase; 281. a card; 282. and a second clamping plate.

Detailed Description

In order to make the present application solution better understood by those skilled in the art, the following description will be made in detail and with reference to the accompanying drawings in the embodiments of the present application, it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, shall fall within the scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the present application described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In the present application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are used primarily to better describe the present application and its embodiments and are not intended to limit the indicated device, element or component to a particular orientation or to be constructed and operated in a particular orientation.

Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "configured," "provided," "connected," "coupled," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Example 1

Referring to fig. 1-5, an integrated flip cover protection structure for a battery cutting unit housing of the present embodiment includes a lower housing assembly 100 and an upper housing assembly 200, wherein a plurality of fixing clips 110 are provided at the upper edge of the lower housing assembly 100, the upper housing assembly 200 includes a first fixing cap 210, a second fixing cap 220 and a second movable cap 230, fixing buckles 240 are provided on the first fixing cap 210, the second fixing cap 220 and the second movable cap 230, the fixing buckles 240 are in snap connection with the fixing clips 110, the first movable cap 220 and the second movable cap 230 are connected with the fixing cap 210 through a bending structure 250, a mating clip 211 is provided on the fixing cap 210, when the first movable cap 220 and the second movable cap 230 are snapped with the fixing clips 110 on the lower housing assembly 100 through the fixing buckles 240, the mating clip 211 is pressed on the first movable cap 220 and the second movable cap 230, a fuse 221 is provided under the first movable cap 220, a shunt 231 is provided under the second movable cap 230, the fuse 221 and the shunt 231 are respectively connected with the anode and the cathode of the battery, the first movable cover 220 and the second movable cover 230 are respectively provided with a protection cylinder 270, the protection cylinder 270 is sleeved with a protection wire slot 280, the protection cylinder 270 is used for protecting connecting bolts on the fuse 221 and the shunt 231, the lower shell assembly 100 is provided with a notch, the protection wire slot 280 is positioned in the notch, a connecting wire of the battery and the connecting bolt is positioned in the protection wire slot 280, the upper shell assembly 200 is divided into three parts by the designed structure and comprises a fixed cover 210, the first movable cover 220 and the second movable cover 230, wherein the fixed cover 210, the first movable cover 220 and the second movable cover 230 are integrally formed, the first movable cover 220 and the second movable cover 230 can be bent and turned over through a bending structure 250 to realize the operation of opening and closing, the first movable cover 220 and the second movable cover 230 are respectively opened during installation, the connecting bolt is exposed, the battery can be connected through the electric wires, the battery can be connected through the designed structure only by opening the movable cover I220 and the movable cover II 230 when the battery is installed, meanwhile, the movable cover I220 and the movable cover II 230 are driven to be integrally formed, the movable cover I220 and the movable cover II 230 cannot be lost, the fixed cover 210, the movable cover I220 and the movable cover II 230 are integrally formed, the battery is integrally ejected during production, the integral connection stability is high, the integrity of the whole battery cutting unit is further good, the head of the connecting bolt is protected through the protection cylinder 270, the protection wire slot 280 protects the connecting wires, and the battery of any model can be protected by the protection wire slot 280.

The lower housing assembly 100 of this embodiment is provided with a mounting platform 120, the fuse 221 and the shunt 231 are mounted on the mounting platform 120, the mounting platform 120 is provided with a heat dissipation slot 121, and the fuse 221 and the shunt 231 are mounted through the mounting platform 120 in the designed structure, so that the mounting stability is maintained.

The upper end of the lower housing assembly 100 of the present embodiment is provided with the heat dissipation barrier 130, and the fixing cover 210 is pressed against the upper end of the heat dissipation barrier 130, so that the heat dissipation is facilitated, and in particular, the heat dissipation barrier 130 is close to the electric device installed in the lower housing assembly 100.

The fixing cover 210 of the embodiment is provided with a plurality of groups of hollow group structures 260, the plurality of groups of hollow group structures 260 are symmetrically arranged on the fixing cover 210, and the designed structure improves the heat dissipation performance on the premise of ensuring the strength and the integrity.

The relay mount pad 140 is arranged in the lower housing assembly 100 of the embodiment, the pre-charging relay is arranged in the relay mount pad 140, an opening is arranged below the relay mount pad 140, the clamping plate 141 is arranged on the relay mount pad 140, the pre-charging relay is arranged at the opening of the lower part and is clamped in the relay mount pad 140 by the clamping plate 141, and the pre-charging relay can be arranged from the lower part by the designed structure, so that the pre-charging relay is more convenient to maintain and replace and the upper fixing cover 210 is not required to be detached.

The edge of the fixing cover 210 in this embodiment is provided with a sealing edge 212, and the sealing edge 212 is pressed on the upper edge opening of the upper housing assembly 200, so that parts such as gaskets and bolts are prevented from falling into the lower housing assembly 100 when connecting the battery dismounting fuse 221 with the connecting bolts on the current divider 231.

The protection wire casing 280 of this embodiment is last to be equipped with multiunit card 281, be equipped with cardboard two 282 on the card 281, the utmost point electric wire is blocked by cardboard two 282 and protection wire casing 280, and the structure of this design avoids connecting wire to rock in the protection wire casing, keeps connecting wire to be in the part in this structure stable all the time, and wherein the card in the multiunit card is high difference for block the connecting wire of different thickness.

Working principle: the lower shell assembly 100 is internally provided with various electrical components, flat cables and the like, then the upper shell assembly 200 is buckled on the lower shell assembly 100, the fixing buckle 240 is buckled with the fixing card 110, then the whole structure is connected with a battery, when the battery is connected, the movable cover I220 and the movable cover II 230 are opened, the connecting bolts on the fuse 221 and the shunt 231 are unscrewed, and the battery is connected, at the moment, the integral structure of the movable cover I220, the movable cover II 230 and the fixing cover 210 is avoided, the whole structure is not lost, the edge of the fixing cover 210 is provided with the sealing edge 212, and the part sliding into the lower shell assembly 100 in the installation process is avoided.

The foregoing examples merely illustrate certain embodiments of the utility model and are described in more detail and are not to be construed as limiting the scope of the utility model; it should be noted that it is possible for a person skilled in the art to make several variants and modifications without departing from the concept of the utility model, all of which fall within the scope of protection of the utility model; accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. A battery cuts off unit housing integral type flip protective structure, its characterized in that: the battery pack comprises a lower shell assembly (100) and an upper shell assembly (200), wherein a plurality of fixing clamps (110) are arranged on the upper edge of the lower shell assembly (100), the upper shell assembly (200) comprises a fixing cover (210), a first movable cover (220) and a second movable cover (230), fixing buckles (240) are respectively arranged on the fixing cover (210), the first movable cover (220) and the second movable cover (230), the fixing buckles (240) are connected with the fixing covers (210) through buckling structures (250), the first movable cover (220) and the second movable cover (230) are connected with the fixing covers (210), a matching clamp (211) is arranged on the fixing covers (210), when the first movable cover (220) and the second movable cover (230) are buckled with the fixing clamps (110) on the lower shell assembly (100), the matching clamp (211) is pressed on the first movable cover (220) and the second movable cover (230), a fuse (221) is arranged below the first movable cover (220), a second fuse (230) is arranged below the second movable cover (230), a positive electrode (231) and a negative electrode (231) are respectively connected with the second fuse (230), the protection cylinder (270) is sleeved with a protection wire slot (280), the protection cylinder (270) is used for protecting the connecting bolt on the fuse (221) and the shunt (231), a notch is formed in the lower shell assembly (100), the protection wire slot (280) is located in the notch, and a pole connecting wire of the battery and the connecting bolt is located in the protection wire slot (280).

2. The battery cutoff unit housing integrated flip cover protection structure in accordance with claim 1, wherein: the lower shell assembly (100) is internally provided with a mounting platform (120), the fuse (221) and the shunt (231) are mounted on the mounting platform (120), and the mounting platform (120) is provided with a heat dissipation long hole (121).

3. The battery cutoff unit housing integrated flip cover protection structure in accordance with claim 1, wherein: the upper end of the lower shell assembly (100) is provided with a heat dissipation barrier (130), and the fixed cover (210) is pressed on the upper end of the heat dissipation barrier (130).

4. The battery cutoff unit housing integrated flip cover protection structure in accordance with claim 1, wherein: the fixed cover (210) is provided with a plurality of groups of hollowed-out group structures (260), and the plurality of groups of hollowed-out group structures (260) are symmetrically arranged on the fixed cover (210).

5. The battery cutoff unit housing integrated flip cover protection structure in accordance with claim 1, wherein: be equipped with relay mount pad (140) in lower casing assembly (100), install the pre-charge relay in relay mount pad (140), the below of relay mount pad (140) is equipped with the opening, be equipped with cardboard (141) on relay mount pad (140), the pre-charge relay is installed and is blocked by cardboard (141) in relay mount pad (140) from the opening part of below.

6. The battery cutoff unit housing integrated flip cover protection structure in accordance with claim 1, wherein: the edge of the fixed cover (210) is provided with a sealing edge (212), and the sealing edge (212) is pressed on the upper edge opening of the upper shell assembly (200).

7. The battery cutoff unit housing integrated flip cover protection structure in accordance with claim 1, wherein: the protective wire slot (280) is provided with a plurality of groups of cards (281), the cards (281) are provided with a second clamping plate (282), and the connecting wire is clamped by the second clamping plate (282) and the protective wire slot (280).