CN214800150U - Protection architecture of battery box daisy chain transfer board - Google Patents

Protection architecture of battery box daisy chain transfer board Download PDF

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Publication number
CN214800150U
CN214800150U CN202120388382.5U CN202120388382U CN214800150U CN 214800150 U CN214800150 U CN 214800150U CN 202120388382 U CN202120388382 U CN 202120388382U CN 214800150 U CN214800150 U CN 214800150U
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China
Prior art keywords
daisy chain
battery box
upper cover
lug
supporting
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CN202120388382.5U
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Chinese (zh)
Inventor
尉文兵
马丽娅
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Lishen Qingdao New Energy Co Ltd
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Lishen Power Battery System Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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Abstract

The utility model discloses a protection structure of a daisy chain conversion plate of a battery box, which comprises the daisy chain conversion plate, a supporting base and an upper cover which are parallel to each other; the upper cover and the supporting base are vertically attached together to form a hollow cavity structure; the daisy chain conversion plate is positioned in the cavity structure; bosses are respectively vertically arranged at the four corners of the top of the supporting base; the four corners of the daisy chain conversion plate are respectively provided with a fixing hole; the first screw is fixedly connected with the boss through the fixing hole; the left side and the right side of the supporting base are respectively provided with a first supporting lug; the left side and the right side of the upper cover are respectively provided with a second supporting lug; the second screw is fixedly connected with a threaded hole reserved on the fixing surface of the external battery box after passing through the first through hole of the first supporting lug and the second through hole of the second supporting lug from top to bottom; the utility model discloses can fix the daisy chain transfer board reliably on the fixed surface of battery box inside, carry out safety protection, improve the interference immunity of daisy chain transfer board.

Description

Protection architecture of battery box daisy chain transfer board
Technical Field
The utility model relates to a battery technology field especially relates to a protection architecture of battery box daisy chain transfer board.
Background
At present, the electric automobile has the characteristics of no noise, zero emission, long cycle life and the like, and is accepted by the public. Along with the rapid development of electric automobiles, lithium battery technology is also rapidly developed.
For the existing lithium battery, the problems of low energy density, short endurance, safety and the like exist, so that a battery management system is derived,
various battery management systems are currently available. Each battery management system has its own advantages and disadvantages depending on the particular scenario.
Daisy chain communication is a new communication mode, which draws a lot of attention with its advantages of low cost, simple structure, simplified wire harness and other designs, etc., and has a large market space. The existing daisy chain conversion board is a novel battery management system and has the characteristics of small volume, low cost, stable communication and the like.
However, the internal space of the conventional battery system is very limited, and there is no technology that can securely fix the daisy chain converter plate inside the battery box and safely protect the daisy chain converter plate.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a protection architecture of battery box daisy chain transfer board to the technical defect that prior art exists.
Therefore, the utility model provides a protection structure of a daisy chain conversion plate of a battery box, which comprises the daisy chain conversion plate, a supporting base and an upper cover;
the main body portion of the daisy chain transfer plate, the main body portion of the support base, and the main body portion of the upper cover are parallel to each other;
the upper cover and the supporting base are vertically attached together to form a hollow cavity structure;
the daisy chain conversion plate is positioned in the cavity structure;
wherein, the four corners of the top of the supporting base are respectively and vertically provided with a lug boss;
the center of the boss is provided with an internal thread hole with an opening at the top;
the four corners of the daisy chain conversion plate are respectively provided with a fixing hole at the position corresponding to each lug boss;
the four first screws are respectively in threaded fixed connection with the internal thread holes on the boss after passing through one fixing hole;
the left side and the right side of the supporting base are respectively provided with a first supporting lug bent downwards;
the bottom surface of the first supporting lug is used for contacting with the fixing surface of the external battery box;
the left side and the right side of the upper cover are respectively provided with a second supporting lug at the position corresponding to each first supporting lug;
the bottom surface of the first supporting lug is in contact with the top surface of the second supporting lug;
each first supporting lug is provided with two first through holes which are distributed at intervals from front to back;
each second supporting lug is provided with two second through holes at the positions corresponding to the two first through holes;
the four second screws are respectively and sequentially arranged through the first through hole and the second through hole from top to bottom and then fixedly connected with the threaded holes reserved on the fixing surface of the external battery box;
the back end of the top surface and the left end of the top surface of the daisy chain conversion plate are respectively provided with a plug socket and an auxiliary connecting port;
a top portion of the upper cover having a first opening at a location corresponding to a patch port on the daisy chain conversion board;
the left side and the right side of the upper cover are provided with side walls which are bent downwards;
the left side wall of the upper cover is provided with a second opening at a position corresponding to the auxiliary connecting port on the daisy chain conversion plate.
Preferably, the bottom surface of the first support lug is parallel to the fixing surface of the external battery box.
Preferably, the shape and size of the first supporting ear are matched with the shape and size of the second supporting ear correspondingly.
Preferably, the first support lug is a support lug which is bent downwards and then horizontally bent outwards.
Preferably, the bottom surfaces of the left and right side walls of the upper cover have side edges which are in aligned contact with the left and right side edges of the main body portion of the support base.
By above the utility model provides a technical scheme is visible, compares with prior art, the utility model provides a protection architecture of battery box daisy chain transfer board, its structural design science can fix the daisy chain transfer board on the fixed surface of battery box inside reliably to carry out safety protection to it, improved the interference immunity of daisy chain transfer board, and then be favorable to improving whole battery system's security, be favorable to using widely, have great practical meaning.
The utility model discloses, not only play good fixed action to the daisy chain transfer board, can also play the insulation protection effect to the daisy chain transfer board simultaneously, and reduced the use quantity of screw, guaranteed the interference immunity of daisy chain transfer board, improved system stability to system's weight has been alleviateed.
Drawings
Fig. 1a is a schematic perspective exploded view of a protection structure of a daisy chain conversion board of a battery box according to the present invention;
fig. 1b is an assembly structure diagram of a protection structure of a daisy chain transfer board of a battery box according to the present invention;
fig. 2 is a schematic structural diagram of a supporting base in a protection structure of a daisy chain transfer plate of a battery box according to the present invention;
fig. 3 is a schematic structural diagram of an upper cover in a protection structure of a daisy chain transfer plate of a battery box according to the present invention;
fig. 4 is a schematic structural diagram of a protection structure of a daisy chain transfer board of a battery box, which needs to be protected according to the present invention.
Detailed Description
In order to make the technical means of the present invention easier to understand, the present application will be further described in detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant application and are not limiting of the application. It should be noted that, for convenience of description, only the portions related to the present application are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
It should be noted that in the description of the present application, the terms of direction or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application.
In addition, it should be noted that, in the description of the present application, unless otherwise explicitly specified and limited, the term "mounted" and the like should be interpreted broadly, and may be, for example, either fixedly mounted or detachably mounted.
The specific meaning of the above terms in the present application can be understood by those skilled in the art as the case may be.
For a better understanding of the present application, the daisy chain conversion board 1 referred to below is illustrated as an example. The daisy chain converter board is a common circuit board in the existing battery management system, and uses CAN communication as a main body. The existing battery management system collectively transmits all signals thereon to a piece of hardware, and finally, the hardware directly transmits the signals to an external computer, and the hardware is the daisy chain conversion board in the application.
Referring to fig. 1a to 4, the present invention provides a protection structure of a daisy chain conversion plate of a battery box, including a daisy chain conversion plate 1, a support base 2 and an upper cover 3;
the body portion of the daisy chain transfer plate 1 (i.e., the middle body portion), the body portion of the support base 2, and the body portion of the upper cover 3 are parallel to each other;
the upper cover 3 and the supporting base 2 are vertically attached together to form a hollow cavity structure;
the daisy chain conversion plate 1 is positioned in the cavity structure;
wherein, the four corners of the top of the supporting base 2 are respectively and vertically provided with a boss 21;
the center of the boss 21 is provided with an internal thread hole with an opening at the top;
the four corners of the daisy chain conversion plate 1 are respectively provided with a fixing hole 12 at the position corresponding to each boss 21;
the four first screws 4 are respectively fixedly connected with the internal thread holes on the boss 21 in a threaded manner after passing through one fixing hole 12;
that is, the daisy chain conversion plate 1 is bolted to the boss 21 of the support base 2 by the first screw 4.
Wherein, the left and right sides of the supporting base 2 are respectively provided with a first supporting ear 22 bending downwards;
the bottom surface of the first support lug 22 is used for contacting with the fixed surface of the external battery box;
the left and right sides of the upper cover 3 are respectively provided with a second supporting lug 33 at the position corresponding to each first supporting lug 22;
the bottom surface of the first supporting lug 22 is in contact with the top surface of the second supporting lug 33;
each first supporting lug 22 is provided with two first through holes 23 which are distributed at intervals front and back;
each second support lug 33 is provided with two second through holes 34 at the positions corresponding to the two first through holes 23;
the four second screws 5 respectively pass through the first through hole 23 and the second through hole 34 from top to bottom and are fixedly connected with threaded holes reserved on a fixing surface of an external battery box (namely, in threaded connection);
wherein, the back end of the top surface and the left end of the top surface of the daisy chain conversion board 1 are respectively provided with a plug port 11 and an auxiliary connection port 13;
the top of the upper cover 3 has a first opening 31 at a position corresponding to the patch port 11 on the daisy chain conversion board 1;
the left side and the right side of the upper cover 3 are provided with side walls which are bent downwards;
the left side wall of the upper cover 3 has a second opening 35 at a position corresponding to the auxiliary connection port 13 of the daisy chain conversion plate 1.
The first opening 31 is reserved in the upper cover 3, and the same position as the connection port 11 of the daisy chain conversion board 1 is maintained, so that interference is not caused, and the first opening can be changed according to the specific specification of the daisy chain conversion board.
The utility model discloses in, in the concrete realization, the bottom surface of first support ear 22, and the stationary plane of outside battery box are parallel to each other.
In the present invention, in the specific implementation, the size of the first supporting ear 22 is matched with the size of the second supporting ear 33.
In the present invention, it should be noted that, for the present invention, the boss 21 may be provided on the supporting base 2 according to the position of the fixing hole 12 on the daisy chain conversion plate 1, so that the daisy chain conversion plate 1 may be jacked up. So that a certain distance is kept between the bottom surface of the daisy chain conversion board 1 and the top surface of the supporting base 2, and the function of insulation protection is ensured.
To the utility model discloses, can be through drilling and the tapping on boss 21, form the internal thread structure. The daisy chain transfer plate 1 is then fixed to the support base 2 with four screws.
The utility model discloses in, specifically realize, first support ear 22 is the support ear of buckling downwards earlier, and then the level is outside (keeping away from the one side that supports base 2 central point and put) the buckling to the side again.
In the present invention, the support base 2 is bent at the first support lug 22, so that the state shown in fig. 2 is formed. The main body of the support base 2 can be raised to maintain a certain distance from the fixing surface of the external battery box.
It should be noted that, for the utility model discloses, the side of the first support ear 22 of support base 2 bends downwards earlier, bends to both sides again, makes the face that the second time was bent and is parallel with the stationary plane. Through bending for the first time, the supporting base 2 can be lifted up, so that a certain space is reserved between the body of the supporting base 2 and the fixing surface of the external battery box.
In the present invention, in different embodiments, the upper cover 3 can be changed according to the form of the daisy chain conversion board, and the second support lug 33 is bent to form the state shown in fig. 3.
The utility model discloses in, in the concrete realization, the side edge 32 that the lateral wall bottom surface of the left and right sides of upper cover 3 has, with the main part left and right sides edge that supports base 2, the contact of alignment (flush promptly).
The utility model discloses in, on specifically realizing, support the material of base 2 and upper cover 3, preferably plastics can guarantee to have better insulation protection.
In the present invention, when the upper cover 3 is coupled to the support base 2, the top surface of the first support lug 22 of the support base 2 and the bottom surface of the second support lug 33 of the upper cover 3 are attached to each other. At this point, the upper cover 3 wraps around the support base 2 and the side edges 32 of the upper cover 3 are flush with the support base 2. In this state, the support lugs of the first support lug 22 and the second support lug 33 are through-hole processed according to the positions of the hole sites of the external battery box fixing surface, and respectively have a first through-hole 23 and a second through-hole 34, as shown in fig. 2 and 3.
To the utility model discloses, when the assembly, fix daisy chain transfer plate 1 on supporting base 2 with four first screws 4 earlier, then buckle upper cover 3, four second screws 5 of reuse pass the through-hole on the support ear of upper cover 3 and support base 2, with screw hole fixed connection on the stationary plane of outside battery box to be fixed on the stationary plane of outside battery box.
It should be noted that the utility model discloses a protection architecture of battery box daisy chain transfer board, according to the narrow and small characteristics of battery box inner space, design small, the quality is light, the simple structure of processing to reduce the quantity of screw, promoted maneuverability, reduced the equipment degree of difficulty.
Compared with the prior art, the utility model provides a protection architecture of battery box daisy chain transfer board for on the battery box inner daisy chain communication transfer board, play protection and fixed action to the daisy chain transfer board. After the upper cover 3 and the support base 2 are fixed on the battery box fixing surface through the second screws, a hollow cavity is formed inside, the daisy chain conversion plate 1 can be wrapped inside, and the daisy chain conversion plate 1 is fixed on the boss 21 of the support base 2 through the first screws.
The utility model discloses a scheme, preferred plastics, of course, according to user's demand, can also select aluminium panel, steel sheet material etc. and manufacturing process is simple, realizes easily, and is with low costs. Because the battery box inner space is limited, the utility model discloses occupy minimum space can to can fix it with minimum screw. The daisy chain conversion plate is fixed on the supporting base, and the upper cover is buckled on the supporting base and fixed on the fixing surface of the battery box. The operation is extremely simple.
To sum up, compare with prior art, the utility model provides a pair of protection architecture of battery box daisy chain transfer board, its structural design science can fix the daisy chain transfer board on the fixed surface of battery box inside reliably to carry out safety protection to it, improved the interference immunity of daisy chain transfer board, and then be favorable to improving whole battery system's security, be favorable to using widely, have great practical meaning.
The utility model discloses, not only play good fixed action to the daisy chain transfer board, can also play the insulation protection effect to the daisy chain transfer board simultaneously, and reduced the use quantity of screw, guaranteed the interference immunity of daisy chain transfer board, improved system stability to system's weight has been alleviateed.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (5)

1. A protection structure of a daisy chain conversion plate of a battery box is characterized by comprising the daisy chain conversion plate (1), a supporting base (2) and an upper cover (3);
the main body part of the daisy chain conversion plate (1), the main body part of the supporting base (2) and the main body part of the upper cover (3) are parallel to each other;
the upper cover (3) and the supporting base (2) are attached together up and down to form a hollow cavity structure;
a daisy chain transfer plate (1) located within the chamber structure;
wherein, the four corners of the top of the supporting base (2) are respectively and vertically provided with a boss (21);
the center of the boss (21) is provided with an internal thread hole with an opening at the top;
the four corners of the daisy chain conversion plate (1) are respectively provided with a fixing hole (12) at the position corresponding to each lug boss (21);
the four first screws (4) are respectively in threaded fixed connection with the internal thread holes on the boss (21) after passing through one fixing hole (12);
wherein, the left side and the right side of the supporting base (2) are respectively provided with a first supporting lug (22) which is bent downwards;
the bottom surface of the first supporting lug (22) is used for contacting with the fixing surface of the external battery box;
the left side and the right side of the upper cover (3) are respectively provided with a second supporting lug (33) at the position corresponding to each first supporting lug (22);
the bottom surface of the first supporting lug (22) is in contact with the top surface of the second supporting lug (33);
each first supporting lug (22) is provided with two first through holes (23) which are distributed at intervals front and back;
each second supporting lug (33) is provided with two second through holes (34) at the positions corresponding to the two first through holes (23);
the four second screws (5) are respectively and sequentially arranged through the first through hole (23) and the second through hole (34) from top to bottom and then fixedly connected with threaded holes reserved on the fixing surface of the external battery box;
wherein, the back end of the top surface and the left end of the top surface of the daisy chain conversion plate (1) are respectively provided with a plug port (11) and an auxiliary connecting port (13);
the top of the upper cover (3) is provided with a first opening (31) at a position corresponding to the patch port (11) on the daisy chain conversion board (1);
the left side and the right side of the upper cover (3) are provided with side walls which are bent downwards;
the left side wall of the upper cover (3) is provided with a second opening (35) at a position corresponding to the auxiliary connecting port (13) on the daisy chain conversion plate (1).
2. The protection structure of a daisy chain conversion plate of battery box according to claim 1, wherein the bottom surface of the first support ear (22) is parallel to the fixing surface of the external battery box.
3. The protection structure of the daisy chain conversion board of the battery box according to claim 1, wherein the shape and size of the first support ear (22) is matched with the shape and size of the second support ear (33).
4. The protection structure of a daisy chain transfer plate of battery boxes according to any one of claims 1 to 3, characterized in that the first support lug (22) is a support lug that is bent downward first and then horizontally outward.
5. The protection structure of the daisy chain transfer plate of battery box according to any one of claims 1 to 3, wherein the bottom surface of the side walls on the left and right sides of the upper cover (3) has side edges (32) in alignment contact with the left and right side edges of the main body of the support base (2).
CN202120388382.5U 2021-02-22 2021-02-22 Protection architecture of battery box daisy chain transfer board Active CN214800150U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120388382.5U CN214800150U (en) 2021-02-22 2021-02-22 Protection architecture of battery box daisy chain transfer board

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120388382.5U CN214800150U (en) 2021-02-22 2021-02-22 Protection architecture of battery box daisy chain transfer board

Publications (1)

Publication Number Publication Date
CN214800150U true CN214800150U (en) 2021-11-19

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120388382.5U Active CN214800150U (en) 2021-02-22 2021-02-22 Protection architecture of battery box daisy chain transfer board

Country Status (1)

Country Link
CN (1) CN214800150U (en)

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GR01 Patent grant
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TR01 Transfer of patent right

Effective date of registration: 20220126

Address after: 266500 Minshan Road, Huangdao District, Qingdao, Shandong

Patentee after: LISHEN (QINGDAO) NEW ENERGY CO.,LTD.

Address before: 300384 Tianjin Binhai New Area Binhai high tech Industrial Development Zone Huayuan science and Technology Park (outer ring) 38 Haitai South Road

Patentee before: LISHEN POWER BATTERY SYSTEMS Co.,Ltd.