CN218472138U - Sealing structure for automobile battery pack - Google Patents

Sealing structure for automobile battery pack Download PDF

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Publication number
CN218472138U
CN218472138U CN202222202726.6U CN202222202726U CN218472138U CN 218472138 U CN218472138 U CN 218472138U CN 202222202726 U CN202222202726 U CN 202222202726U CN 218472138 U CN218472138 U CN 218472138U
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box
heat dissipation
anodal
thick bamboo
screw thread
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CN202222202726.6U
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Chinese (zh)
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罗丹青
赖青桂
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Fujian Shengkailun New Energy Technology Co ltd
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Fujian Shengkailun New Energy Technology 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 seal structure for car group battery, belong to the new energy automobile field, the power distribution box comprises a box body, the box is upper end open structure, anodal output chamber has been seted up to the lower extreme of box, the heat dissipation chamber has been seted up to the upper end of box, the inside in heat dissipation chamber is provided with heat dissipation mechanism, a plurality of thread grooves have been seted up to the lower wall in heat dissipation chamber, the upper end threaded connection of thread groove has an external screw thread section of thick bamboo, the one end that external screw thread section of thick bamboo is located the inside of thread groove is provided with anodal transmission mechanism, the one end screw thread that the thread groove was kept away from to the external screw thread section of thick bamboo installs the screw cap, the upper end of screw cap is provided with negative pole transmission mechanism, anodal transmission mechanism includes the anodal spring probe of fixed mounting in external screw thread section of thick bamboo one end, the lower wall fixed mounting in anodal output chamber has a plurality of anodal electrically conductive jacks, it can realize conveniently collecting the waste liquid, reduce the lithium cell that leads to the electric leakage because of contact waste liquid, so that the group battery can last to supply power for the new energy automobile when single lithium cell leakage.

Description

Sealing structure for automobile battery pack
Technical Field
The utility model relates to a new energy automobile field, more specifically say, relate to a seal structure for car group battery.
Background
The new energy automobile mainly adopts a battery pack as a power supply to provide electric energy for a motor and drive wheels to rotate, the battery pack is often arranged in an automobile power cabin, and is easily attacked by water and easy to gather on an electrode plate of the battery pack in humid weather to form water drops, so that the battery pack leaks electricity, and the battery pack is sealed by a sealing structure to isolate the water and the air;
through patent retrieval, chinese patent with publication number CN111769229A discloses a vehicle-mounted battery storage box for a new energy automobile, which comprises a box body, a supporting underframe, a top plate, a threaded end, a damping end, a cover plate, a bottom plate, an arc-shaped partition strip, a threaded groove, an external thread and a damping spring, wherein although the single lithium battery is limited and serially connected through the damping end in sliding fit with the bottom in the supporting underframe and the threaded end in threaded connection with the surface of the top plate, the serially connected multiple battery packs are mutually matched through the box body and the cover plate to store and protect the serially connected battery packs, the serially connected battery packs are conveniently and quickly replaced, the damping spring absorbs the impact on the battery, the battery packs have deformation resistance and shock resistance, the single lithium battery pack can be detached and replaced in a large scale by unscrewing the single threaded end, the lithium battery in the middle of the arc-shaped partition strip can be taken out, the lithium battery in the middle of the arc-shaped partition strip is convenient to overhaul, and the commercial development of the electric automobile is promoted;
but do not solve the in-process of current battery storage box sealed battery group, through single lithium cell of a plurality of arc parting bead centre gripping, and through screw thread end cooperation thread groove, can fix arc parting bead and lithium cell in the inside of box, isolated external aqueous vapor comes, and during single lithium cell weeping, inconvenient isolation lithium cell, make the waste liquid often trickle all around, when contacting the electrode slice of other lithium cells, arouse the electric leakage easily, thereby the electric quantity of group battery runs off fast, can't be the new energy automobile power supply, cause the easy whole paralysed problem of single lithium cell weeping when the group battery is sealed, we provide a seal structure for automobile battery group for this reason.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved
To the problem that exists among the prior art, the utility model aims to provide a seal structure for car battery, it can realize conveniently collecting the waste liquid, reduces the lithium cell that leads to the electric leakage because of the contact waste liquid to the group battery can last when single lithium cell weeping to supply power for new energy automobile.
2. Technical scheme
In order to solve the problem, the utility model adopts the following technical proposal.
The utility model provides a seal structure for car battery, includes the box, the box is upper end open structure, anodal output chamber has been seted up to the lower extreme of box, the heat dissipation chamber has been seted up to the upper end of box, the inside in heat dissipation chamber is provided with heat dissipation mechanism, a plurality of thread grooves have been seted up to the lower wall in heat dissipation chamber, the upper end threaded connection of thread groove has an external screw thread section of thick bamboo, the one end that the external screw thread section of thick bamboo is located the inside of thread groove is provided with anodal transmission of electricity mechanism, the one end screw thread that the thread groove was kept away from to the external screw thread section of thick bamboo installs the thread lid, the upper end of thread lid is provided with negative pole transmission of electricity mechanism.
Further, anodal transmission of electricity mechanism includes the anodal spring probe of fixed mounting in an external screw thread section of thick bamboo one end, the lower wall fixed mounting of anodal output chamber has a plurality of anodal electrically conductive jacks, the axis of anodal electrically conductive jack and the axis coincidence of thread groove, the upper end of anodal electrically conductive jack and the lower extreme looks adaptation of anodal spring probe.
Further, negative pole transmission of electricity mechanism includes negative pole spring probe of fixed mounting in the screw cap upper end, inside negative pole spring probe's one end extended into an external screw thread section of thick bamboo, the opening part of box articulates there is sealed lid, the inboard fixed mounting of sealed lid has a plurality of negative poles electrically conductive jacks, the lower extreme of negative pole electrically conductive jack and the upper end looks adaptation of negative pole spring probe.
Further, heat dissipation mechanism includes the cooling tube of fixed mounting in heat dissipation intracavity portion, the both ends of cooling tube all extend inside the box, the outside fixed mounting of box has the fan, the fan is held towards the air inlet of cooling tube.
Furthermore, a sealing ring is sleeved at the opening of the box body, and a through hole is formed in the middle of the lower wall of the thread groove.
Further, the depth of the thread groove is smaller than the length of the external thread cylinder, and the height of the thread cover is larger than that of the radiating pipe.
3. Advantageous effects
Compared with the prior art, the utility model has the advantages of:
(1) This scheme is inside single lithium cell inserts an external screw thread section of thick bamboo, when sealed battery group, with the upper end of screw cap along screw corotation screw in external screw thread section of thick bamboo, compress tightly the lithium cell, then the lower terminal screw thread installation to the thread groove inside with an external screw thread section of thick bamboo, the lithium cell is filled up to the inside thread groove of box, form the group battery, the box seals again, when single lithium cell weeping, keep apart the lithium cell through an external screw thread section of thick bamboo and screw cap, conveniently collect the waste liquid, reduce the lithium cell that leads to the electric leakage because of the contact waste liquid, can reduce the electric quantity that the group battery runs off, avoid the group battery to arouse paralysed condition emergence because of single lithium cell weeping, so that the group battery can continuously be new energy automobile power supply when single lithium cell weeping.
(2) This scheme is when the group battery work, the lithium cell produces the heat, make the inside temperature of an external screw thread section of thick bamboo rise, the air is blown into fast to the inside of cooling tube through the fan, form the air current, take away the heat of cooling tube, the heat transmission of an external screw thread section of thick bamboo is for the cooling tube, and taken away by the air current, scatter and disappear in the air, make things convenient for the lithium cell heat dissipation, the temperature when can reducing the group battery work, and lithium cell and air current can be separated to the cooling tube, avoid the lithium cell to lead to the condition emergence of short circuit because of the moisture in the contact air current.
Drawings
Fig. 1 is a schematic structural view of the front view of the present invention;
fig. 2 is a schematic top view of the present invention;
fig. 3 is a schematic sectional structural view of the present invention;
fig. 4 is an enlarged schematic structural diagram of a point a in fig. 3 according to the present invention.
The reference numbers in the figures illustrate:
1. a box body; 2. a positive output cavity; 3. a heat dissipation cavity; 4. a thread groove; 5. an externally threaded barrel; 6. a threaded cap; 7. a positive spring probe; 8. a positive conductive jack; 9. a negative spring probe; 10. a sealing cover; 11. a negative conductive jack; 12. a radiating pipe; 13. a fan; 14. a seal ring; 15. and a through hole.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.
Example (b):
referring to fig. 1-4, a sealing structure for an automobile battery pack comprises a box body 1, the box body 1 is of an upper end opening structure, a positive output cavity 2 is arranged at the lower end of the box body 1, a heat dissipation cavity 3 is arranged at the upper end of the box body 1, a heat dissipation mechanism is arranged inside the heat dissipation cavity 3, a plurality of thread grooves 4 are arranged at the lower wall of the heat dissipation cavity 3, an external thread cylinder 5 is connected with the upper end of each thread groove 4 in a threaded manner, threads are arranged on the inner wall of the upper end of the external thread cylinder 5, the depth of each thread groove 4 is smaller than the length of the external thread cylinder 5, so that the upper end of the external thread cylinder 5 is exposed out of the thread groove 4, one end of the external thread cylinder 5 positioned in the thread groove 4 is provided with a positive pole power transmission mechanism, one end of the external thread cylinder 5 far away from the thread groove 4 is provided with a thread cover 6 in a threaded manner, the upper end of the thread cover 6 is provided with a negative pole power transmission mechanism, a single lithium battery is inserted into the external thread cylinder 5, the positive pole is contacted with the lower wall of the external thread cylinder 5, when the battery pack is sealed, the positive plate of the lithium battery contacts the positive power transmission mechanism, the threaded cover 6 is screwed into the upper end of the external threaded cylinder 5 along the thread in a forward rotation manner, the lithium battery is pressed tightly, so that the negative plate of the lithium battery contacts the negative power transmission mechanism, then the lower end of the external thread cylinder 5 is arranged in the thread groove 4 in a positive rotation way, the operation is repeated until the thread groove 4 in the box body 1 is filled with the lithium battery to form a battery pack, then the box body 1 is sealed, when single lithium cell weeping, keep apart the lithium cell through an external screw thread section of thick bamboo 5 and screw thread lid 6, conveniently collect the waste liquid, reduce the lithium cell that leads to the electric leakage because of the contact waste liquid, can reduce the electric quantity that the group battery runs off, avoid the group battery to arouse paralysed condition emergence because of single lithium cell weeping to the group battery can continuously be the new energy automobile power supply when single lithium cell weeping.
Referring to fig. 2 and 3, the heat dissipation mechanism includes a heat dissipation pipe 12 fixedly installed inside a heat dissipation chamber 3, the structure of the heat dissipation pipe 12 is a waveform, so as to attach both sides of an external thread tube 5, the height of the thread cover 6 is greater than the height of the heat dissipation pipe 12, prevent the thread cover 6 from extruding the heat dissipation pipe 12, both ends of the heat dissipation pipe 12 extend out of the inside of the box 1, so that the external air flows only along the heat dissipation pipe 12 inside the box 1, the outside of the box 1 is fixedly installed with a fan 13, the fan 13 faces the air inlet end of the heat dissipation pipe 12, when the battery pack does work, the lithium battery generates heat, raise the temperature inside the external thread tube 5, rapidly blow air into the inside of the heat dissipation pipe 12 through the fan 13, form an air flow, take away the heat of the heat dissipation pipe 12, so that a temperature difference is generated between the heat dissipation pipe 12 and the external thread tube 5, under the action of temperature gradient, the heat of the external thread tube 5 is transferred to the heat dissipation pipe 12, and is taken away by the air flow, which facilitates the heat dissipation of the lithium battery, the heat dissipation, the temperature when the battery pack does work can be reduced, and the heat dissipation pipe 12 can separate the lithium battery from the lithium battery and the air flow, thereby preventing the occurrence of the short circuit caused by the moisture in the lithium battery from contacting the short circuit.
Referring to fig. 3 and 4, the positive power transmission mechanism includes a positive spring probe 7 fixedly mounted at one end of the external thread cylinder 5, the lower end of the positive spring probe 7 penetrates through the thread groove 4, a plurality of positive conductive jacks 8 are fixedly mounted at the lower wall of the positive output cavity 2, the plurality of positive conductive jacks 8 are connected in parallel to the power transmission line, the central axis of the positive conductive jack 8 coincides with the central axis of the thread groove 4, the upper end of the positive conductive jack 8 is matched with the lower end of the positive spring probe 7, and when one end of the external thread cylinder 5 gradually sinks into the thread groove 4, the positive conductive jack 8 is driven to extend into the positive output cavity 2 until the lower end of the positive spring probe 7 is inserted into the positive conductive jack 8 and is tightly abutted against the positive conductive jack, so that a positive plate of the lithium battery is connected into the power transmission line through the positive spring probe 7 and the positive conductive jack 8.
Referring to fig. 3 and 4, the negative pole transmission mechanism includes negative pole spring probe 9 of fixed mounting in the upper end of screw cap 6, the one end of negative pole spring probe 9 extends into inside the external screw thread section of thick bamboo 5, the opening part of box 1 articulates there is sealed lid 10, the outside of sealed lid 10 is equipped with the spring lock, this technical scheme is prior art, not drawn in the picture, the inboard fixed mounting of sealed lid 10 has a plurality of negative poles conductive jack 11, a plurality of negative poles conductive jack 11 connect in parallel to transmission line, the lower extreme of negative pole conductive jack 11 and the upper end looks adaptation of negative pole spring probe 9, when sealed box 1, around pin joint corotation sealed lid 10, the opening part of box 1 is covered tightly to sealed lid 10, and drive the one end of negative pole conductive jack 11 entangling negative pole spring probe 9, so that the negative pole piece of lithium cell inserts transmission line through negative pole spring probe 9 and negative pole conductive jack 11, can supply power for the new energy automobile.
Referring to fig. 1 and 4, sealing washer 14 has still been cup jointed to the opening part of box 1, through-hole 15 has been seted up to the centre of 4 lower walls of thread groove, when the group battery is sealed, through the space between sealing washer 14 shutoff sealed lid 10 and the box 1, improve seal structure's leakproofness, reduce the inside moisture that gets into the group battery, and the outside of the anodal spring probe 7 of inner wall laminating through-hole 15, conveniently block the air between anodal output chamber 2 and the negative pole transmission of electricity mechanism, reduce the circulation of aqueous vapor between lithium cell positive pole and the negative pole, avoid lithium cell positive pole and negative pole mutual interference.
Finally, through the locking state of removing sealed lid 10, can separate negative pole spring probe 9 and negative pole electrically conductive jack 11, the external screw thread section of thick bamboo 5 of reversal again, can separate anodal spring probe 7 and anodal electrically conductive jack 8, until external screw thread section of thick bamboo 5 breaks away from thread groove 4, just can take out single external screw thread section of thick bamboo 5, then through reversal screw cap 6, can unpack external screw thread section of thick bamboo 5 and screw cap 6 apart, can take out single lithium cell, and maintain and change, can change or maintain single lithium cell, need not to take out whole lithium cells during the maintenance.
The working principle is as follows: insert inside a single lithium cell external screw thread section of thick bamboo 5, anodal lower wall that contacts a external screw thread section of thick bamboo 5, when sealed group battery, the anodal piece contact anodal transmission of electricity mechanism of lithium cell, and with screw cap 6 along the upper end of screw corotation screw in external screw thread section of thick bamboo 5, compress tightly the lithium cell, so that the negative pole piece contact negative pole transmission of electricity mechanism of lithium cell, then install the lower terminal screw thread of an external screw thread section of thick bamboo 5 inside thread groove 4, repeat above-mentioned operation, the lithium cell is filled with to thread groove 4 until 1 inside of box, form the group battery, box 1 seals again, when single lithium cell weeping, keep apart the lithium cell through external screw thread section of thick bamboo 5 and screw cap 6, conveniently collect the waste liquid, reduce the lithium cell that leads to the electric leakage because of contact waste liquid, can reduce the electric quantity that the group battery runs off, avoid the group battery to arouse the condition of paralysis to take place because of single lithium cell weeping, so that the group battery can continue to supply power for new energy automobile when single lithium cell weeping.
When the group battery does work, the lithium cell produces the heat, make the inside temperature of external screw thread section of thick bamboo 5 rise, air is blown into fast to the inside of cooling tube 12 through fan 13, form the air current, take away the heat of cooling tube 12, make the temperature difference that produces between cooling tube 12 and the external screw thread section of thick bamboo 5, under the temperature gradient effect, the heat transmission of external screw thread section of thick bamboo 5 gives cooling tube 12, and be taken away by the air current, scatter and disappear in the air, make things convenient for the lithium cell heat dissipation, can reduce the temperature when the group battery does work, and lithium cell and air current can be separated to cooling tube 12, avoid the lithium cell to lead to the condition emergence of short circuit because of the moisture in the contact air current.
The foregoing is only a preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the protection scope of the present invention by replacing or changing the technical solution and the modified concept of the present invention within the technical scope of the present invention.

Claims (6)

1. A seal structure for an automobile battery pack, comprising a case (1), characterized in that: the utility model discloses a solar energy storage battery box, including box (1), heat dissipation chamber (3), heat dissipation mechanism, a plurality of thread grooves (4) have been seted up to the lower extreme of box (1), box (1) is upper end open structure, anodal output chamber (2) have been seted up to the lower extreme of box (1), heat dissipation chamber (3) have been seted up to the upper end of box (1), the inside in heat dissipation chamber (3) is provided with heat dissipation mechanism, a plurality of thread grooves (4) have been seted up to the lower wall in heat dissipation chamber (3), the upper end threaded connection of thread groove (4) has an external screw thread section of thick bamboo (5), the one end that external screw thread section of thick bamboo (5) are located thread groove (4) inside is provided with anodal transmission of electricity mechanism, thread cover (6) are installed to the one end screw thread that thread groove (4) were kept away from to external screw thread section of thick bamboo (5), the upper end of screw cover (6) is provided with negative pole transmission of electricity mechanism.
2. A sealing structure for an automotive battery pack according to claim 1, characterized in that: anodal transmission of electricity mechanism includes positive spring probe (7) of fixed mounting in an external screw thread section of thick bamboo (5) one end, the lower wall fixed mounting of anodal output chamber (2) has a plurality of anodal electrically conductive jacks (8), the axis of anodal electrically conductive jack (8) and the axis coincidence of thread groove (4), the upper end of anodal electrically conductive jack (8) and the lower extreme looks adaptation of positive spring probe (7).
3. A sealing structure for an automobile battery pack according to claim 1, characterized in that: the negative pole electricity transmission mechanism includes negative pole spring probe (9) of fixed mounting in screw cap (6) upper end, inside the one end of negative pole spring probe (9) extended into an external screw thread section of thick bamboo (5), the opening part of box (1) articulates there is sealed lid (10), the inboard fixed mounting of sealed lid (10) has a plurality of negative poles electrically conductive jack (11), the lower extreme of negative pole electrically conductive jack (11) and the upper end looks adaptation of negative pole spring probe (9).
4. A sealing structure for an automobile battery pack according to claim 1, characterized in that: heat dissipation mechanism includes fixed mounting at inside cooling tube (12) in heat dissipation chamber (3), the both ends of cooling tube (12) all extend box (1) inside, the outside fixed mounting of box (1) has fan (13), fan (13) are held towards the air inlet of cooling tube (12).
5. A sealing structure for an automobile battery pack according to claim 1, characterized in that: the opening of the box body (1) is further sleeved with a sealing ring (14), and a through hole (15) is formed in the middle of the lower wall of the thread groove (4).
6. A sealing structure for an automobile battery pack according to claim 4, characterized in that: the depth of the thread groove (4) is smaller than the length of the external thread cylinder (5), and the height of the thread cover (6) is larger than that of the radiating pipe (12).
CN202222202726.6U 2022-08-22 2022-08-22 Sealing structure for automobile battery pack Active CN218472138U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222202726.6U CN218472138U (en) 2022-08-22 2022-08-22 Sealing structure for automobile battery pack

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222202726.6U CN218472138U (en) 2022-08-22 2022-08-22 Sealing structure for automobile battery pack

Publications (1)

Publication Number Publication Date
CN218472138U true CN218472138U (en) 2023-02-10

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ID=85138595

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222202726.6U Active CN218472138U (en) 2022-08-22 2022-08-22 Sealing structure for automobile battery pack

Country Status (1)

Country Link
CN (1) CN218472138U (en)

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