CN213304275U

CN213304275U - Power battery protection plate

Info

Publication number: CN213304275U
Application number: CN202022483919.4U
Authority: CN
Inventors: 吴更生
Original assignee: Shenzhen Melasta Battery Co ltd
Current assignee: Shenzhen Melasta Battery Co ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-05-28
Anticipated expiration: 2030-10-30

Abstract

The utility model discloses a power battery protection shield, its technical scheme main points are: the battery protection plate comprises a protection plate body and a battery protection shell, wherein the protection plate body is fixedly connected in the middle of the battery protection shell, the battery protection shell consists of a metal protection layer and a plastic insulation protection layer, the plastic insulation protection layer extends inwards for a certain distance, a power battery plate and a plurality of heat dissipation pore plates are fixedly arranged on the front surface of the protection plate body, the plurality of heat dissipation pore plates are respectively distributed at the upper end, the lower end and the center of the front surface of the protection plate body, a plurality of heat dissipation circular holes are formed in the heat dissipation pore plates, a battery heat dissipation plate is fixedly connected to the rear surface of the protection plate body, the battery heat dissipation plate consists of a heat dissipation plate shell and a heat dissipation plate body, the heat dissipation plate body is fixedly arranged on the inner side surface of the heat dissipation plate; the utility model discloses can have efficient heat dissipation and guard action.

Description

Power battery protection plate

Technical Field

The utility model belongs to the technical field of the battery protection shield and specifically relates to a power battery protection shield.

Background

The power battery generally comprises a single battery core, a battery circuit board and a packaging shell. The conventional single battery cell is a battery cell of a two-electrode system including a positive electrode and a negative electrode. The battery circuit board is generally connected with the positive electrode and the negative electrode of the battery cell, and has the function of timely blocking a charge-discharge loop when the overcharge and the overdischarge of the battery cell are detected in the charge-discharge process of the battery cell, so that the damage to the battery caused by the abnormal conditions such as overcharge and overdischarge is prevented. Power battery is in long-time use or charging process, and a large amount of heats can be dispersed to the battery, probably influences the normal use of battery protection shield, but the heat dissipation function radiating efficiency of present power battery protection shield is low to general power battery protection shield itself is just more fragile, and the direction of protection has been too few, can't really play the effect of protection.

SUMMERY OF THE UTILITY MODEL

To the problem of mentioning in the background art, the utility model aims at providing a power battery protection shield to mention in the solution background art because there is the inefficiency of heat dissipation and the little problem of guard action among the prior art.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a power battery protection plate comprises a protection plate body and a battery protection shell, wherein the middle of the battery protection shell is fixedly connected with the protection plate body, the battery protection shell is a double-layer protection shell consisting of an outer metal protection layer and an inner plastic insulation protection layer, the plastic insulation protection layer extends to the center of the protection plate body for a certain distance to ensure that a hollow space exists between the protection plate body and the battery protection shell, the front surface of the protection plate body is fixedly provided with a power battery plate and a plurality of heat dissipation pore plates which are respectively distributed at the upper end, the lower end and the center of the front surface of the protection plate body, the heat dissipation pore plates are provided with a plurality of heat dissipation round holes which are separately arranged, the rear surface of the protection plate body is fixedly connected with a battery heat dissipation plate, and the battery heat dissipation plate consists of a heat dissipation plate shell and a heat dissipation plate body, the heating panel body is fixedly arranged on the inner side face of the heating panel shell, the heating panel body is composed of a plurality of radiating fins, and the width of the front end and the width of the rear end of the battery protective shell are both larger than the width of the power battery panel and the width of the radiating hole plate.

Furthermore, a plurality of corners of the protection plate body are provided with first threaded holes, and the first threaded holes penetrate through the protection plate body and the battery cooling plate.

Through adopting above-mentioned technical scheme, first screw hole accessible increases the bolt and strengthens the protection shield body with fixed connection between the battery heating panel makes the connection fastening more reliable.

Furthermore, a plurality of second threaded holes are formed in the left side and the right side of the plastic insulating protective layer, and the second threaded holes penetrate through the plastic insulating protective layer and the protective plate body.

By adopting the technical scheme, the second threaded hole can be used for reinforcing the fixed connection between the plastic insulating protective layer and the protective plate body by adding the bolt, so that the structure of the power battery protective plate is more compact.

Furthermore, a plurality of positioning holes are formed in the upper end and the lower end of the plastic insulating protective layer, and the positioning holes penetrate through the plastic insulating protective layer and the protective plate body.

By adopting the technical scheme, the positioning hole can position the power battery protection plate, so that the power battery protection plate is convenient to use.

Further, a plurality of light damping springs are fixedly connected with the hollow space between the protection plate body and the battery protection shell.

Through adopting above-mentioned technical scheme, light damping spring can be right power battery protection plate structure carries out the shock attenuation, prevents that inner structure is not hard up.

Furthermore, the outer side surface of the metal protection layer is provided with anti-skid lines.

Through adopting above-mentioned technical scheme, the antiskid line multiplicable power battery protective housing facilitates the use with user's contact friction.

To sum up, the utility model discloses mainly have following beneficial effect:

1. the utility model discloses a through double-deck battery protection shell to power battery board protect work, the plastics insulating protective layer of inlayer prevents the power battery board electric leakage, and outer metal protective layer prevents the influence of external collision to inside power battery board, and plastics insulating protective layer is inwards extended, can be more comprehensive play the guard action.

2. The utility model discloses a through heat dissipation orifice plate and battery heating panel effectively the heat dissipation to power cell panel, ensure power cell panel's normal use.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a front view of an embodiment of the present invention;

FIG. 2 is a cross-sectional view A-A of FIG. 1;

fig. 3 is a bottom view of an embodiment of the present invention;

fig. 4 is a side view of an embodiment of the present invention.

In the figure: 1. a protection plate body; 2. a battery protective case; 201. a metal protective layer; 202. a plastic insulating protective layer; 3. a power cell panel; 4. a heat dissipation pore plate; 401. a heat dissipation circular hole; 5. a battery heat dissipation plate; 501. a heat dissipation plate housing; 502. a heat dissipation plate body; 6. a first threaded hole; 7. a second threaded hole; 8. positioning holes; 9. a light damping spring; 10. and (4) anti-skid lines.

Detailed Description

In order to make the objects and technical solutions of the present invention clear and fully described, and the advantages thereof more clearly understood, the embodiments of the present invention are described in further detail below with reference to the accompanying drawings.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," "fourth," "fifth," and "sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example one

Referring to fig. 1-4, a power battery protection board comprises a protection board body 1 and a battery protection case 2, the middle of the battery protection case 2 is fixedly connected with the protection board body 1, the battery protection case 2 is a double-layer protection case composed of an outer metal protection layer 201 and an inner plastic insulation protection layer 202, the inner plastic insulation protection layer 202 prevents the power battery from leaking electricity, the outer metal protection layer 201 prevents the influence of external collision on the internal power battery, the plastic insulation protection layer 202 extends to the center of the protection board body 1 for a distance so that a hollow space exists between the protection board body 1 and the battery protection case 2, the plastic insulation protection layer 202 extends inwards to protect the internal power battery more comprehensively, a power battery board 3 and a plurality of heat dissipation pore plates 4 are fixedly arranged on the front surface of the protection board body 1, the plurality of heat dissipation pore plates 4 are respectively distributed at the upper and lower ends and the center of the front surface of the protection board, a plurality of heat dissipation round holes 401 have been seted up on heat dissipation orifice plate 4, a plurality of heat dissipation round holes 401 separate the setting, the rear surface fixedly connected with battery heating panel 5 of protection shield body 1, battery heating panel 5 comprises heating panel shell 501 and heating panel body 502, heating panel body 502 is fixed to be set up at heating panel shell 501's medial surface, heating panel shell 501 is used for protecting inside heating panel body 502, heating panel body 502 comprises a plurality of fin, strengthen power battery protection shield's radiating efficiency under the combined action of heat dissipation orifice plate 4 and battery heating panel 5, power battery board 3's normal use has been ensured, the width of the front and back end of battery protective housing 2 all is greater than power battery board 3 and heat dissipation orifice plate 4's width.

Referring to fig. 1 and 3, first threaded holes 6 are formed in a plurality of corners of the protection plate body 1, the first threaded holes 6 penetrate through the protection plate body 1 and the battery heat dissipation plate 5, and the first threaded holes 6 can be used for reinforcing the fixed connection between the protection plate body 1 and the battery heat dissipation plate 5 through additional bolts, so that the connection is more secure and reliable.

Referring to fig. 1 and 2, a plurality of second threaded holes 7 are formed in both the left and right sides of the plastic insulating protective layer 202, the second threaded holes 7 penetrate through the plastic insulating protective layer 202 and the protective plate body 1, and the second threaded holes 7 can be used for reinforcing the fixed connection between the plastic insulating protective layer 202 and the protective plate body 1 by adding bolts, so that the structure of the power battery protective plate is more compact.

Referring to fig. 1 and fig. 3, a plurality of positioning holes 8 are formed in both the upper end and the lower end of the plastic insulating protective layer 202, the positioning holes 8 penetrate through the plastic insulating protective layer 202 and the protective plate body 1, and the power battery protective plate can be positioned by the positioning holes 8, so that the power battery protective plate is convenient to use.

Referring to fig. 2, a plurality of light damping springs 9 are fixedly connected to a hollow space between the protection plate body 1 and the battery protection shell 2, and the light damping springs 9 can damp the structure of the power battery protection plate to prevent the internal structure from loosening.

Referring to fig. 4, the outer side surface of the metal protection layer 201 is provided with anti-slip stripes 10, and the anti-slip stripes 10 can increase the contact friction force between the battery protection case 2 and a user, thereby facilitating use.

The utility model discloses when using, the fixed power cell panel 3 and the heat dissipation orifice plate 4 that are provided with of preceding terminal surface of protection shield body 1, the fixed battery heating panel 5 that is provided with of rear end face of protection shield body 1, the fixed width that sets up the front and back end of battery protection shell 2 at the central point of battery protection shell 2 of protection shield body 1 all is greater than power cell panel 3 and heat dissipation orifice plate 4's width, battery protection shell 2 comprises outer metal protection layer 201 and the plastics insulating protective layer 202 on inlayer, plastics insulating protective layer 202 extends one section distance to protection shield body 1 center department and makes and have one section hollow space between protection shield body 1 and the battery protection shell 2, make the protective scope of battery protection shell 2 increase, play comprehensive protection's effect.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a power battery protection shield, includes protection shield body (1) and battery protection shell (2), its characterized in that: the middle of the battery protection shell (2) is fixedly connected with the protection plate body (1), the battery protection shell (2) is a double-layer protection shell consisting of an outer metal protection layer (201) and an inner plastic insulation protection layer (202), the plastic insulation protection layer (202) extends for a distance towards the center of the protection plate body (1) to enable a hollow space to exist between the protection plate body (1) and the battery protection shell (2), the front surface of the protection plate body (1) is fixedly provided with a power battery panel (3) and a plurality of heat dissipation pore plates (4), the plurality of heat dissipation pore plates (4) are respectively distributed at the upper end, the lower end and the center of the front surface of the protection plate body (1), the heat dissipation pore plates (4) are provided with a plurality of heat dissipation round holes (401), the heat dissipation round holes (401) are separated, and the rear surface of the protection plate body (1) is fixedly connected with a battery heat dissipation plate (5), battery heating panel (5) comprise heating panel shell (501) and heating panel body (502), heating panel body (502) are fixed to be set up the medial surface of heating panel shell (501), heating panel body (502) are constituteed by a plurality of fin, the width of the front and back end of battery protective housing (2) all is greater than power battery board (3) with the width of radiating hole board (4).

2. The power battery protection plate as claimed in claim 1, wherein: first screw hole (6) have all been seted up at a plurality of corners of protection shield body (1), first screw hole (6) hole run through in protection shield body (1) with battery heating panel (5).

3. The power battery protection plate as claimed in claim 1, wherein: a plurality of second threaded holes (7) are formed in the left side and the right side of the plastic insulating protective layer (202), and the second threaded holes (7) penetrate through the plastic insulating protective layer (202) and the protective plate body (1).

4. The power battery protection plate as claimed in claim 1, wherein: the upper end and the lower end of the plastic insulating protective layer (202) are provided with a plurality of positioning holes (8), and the positioning holes (8) penetrate through the plastic insulating protective layer (202) and the protective plate body (1).

5. The power battery protection plate as claimed in claim 1, wherein: the hollow space between the protection plate body (1) and the battery protection shell (2) is fixedly connected with a plurality of light damping springs (9).

6. The power battery protection plate as claimed in claim 1, wherein: the outer side surface of the metal protection layer (201) is provided with anti-skid grains (10).