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CN-122000527-A - Battery pack and integrated floating plug

CN122000527ACN 122000527 ACN122000527 ACN 122000527ACN-122000527-A

Abstract

The invention discloses a battery pack, which comprises a water cooling plate arranged on one side of the battery pack, wherein the tail end of the battery pack is provided with an electric connection male plug electrically connected with an internal electric core and two first insertion pipes communicated with the water cooling plate, and also discloses an integrated floating plug, which comprises an electric connection female plug, insertion pipes and a quick insertion mechanism, wherein the electric connection female plug is electrically connected with a whole vehicle circuit, and the insertion pipes are communicated with water cooling equipment on a vehicle body. This battery package, with the water-cooling board integration to the battery package body, guarantee abundant contact between water-cooling board and the inside electric core of battery package, heat exchange efficiency is higher, optimizes battery package and integrated floating plug's water, electric connection structure simultaneously, can accomplish battery package's electric connection and water-cooling connection through once pegging graft, simplifies battery package dismouting flow, accelerates battery package assembly's efficiency greatly to the integrated level is higher, makes things convenient for staff's maintenance operation.

Inventors

  • CHEN JIE
  • SHEN FANG
  • TANG LONGJIANG

Assignees

  • 上海火亮新能源科技有限公司

Dates

Publication Date
20260508
Application Date
20241107

Claims (8)

  1. 1. The battery pack is characterized by comprising a water cooling plate (2) arranged at one side of the battery pack (1), wherein the tail end of the battery pack (1) is provided with an electric connection male plug (9) electrically connected with an internal electric core and two insertion tubes (5) communicated with the water cooling plate; the quick-inserting structure (3) is arranged in the inserting pipe (5), when the battery pack (1) is inserted into the battery compartment of the vehicle, the quick-inserting mechanism is opened, the inserting pipe is conducted, and when the battery pack is pulled out of the battery compartment, the quick-inserting mechanism is closed, and the inserting pipe is closed.
  2. 2. The battery pack according to claim 1, wherein the quick-insertion structure (3) comprises a plug (310) radially slidably mounted inside the insertion tube (5), one end of the insertion tube (5) behind the plug (310) is plugged by a supporting seat (330), and a spring (320) for pushing the plug (310) to reset and plug the port of the insertion tube (5) is arranged between the supporting seat (330) and the plug (310).
  3. 3. A battery pack according to claim 2, wherein the cannula (5) comprises a thin tube section (510) at the free end and a thick tube section (520) joined to the thin tube section (510); One end of the plug (310) is a flow-dispersing part (3110) and is arranged in the thin pipe section (510) in a sliding manner, and the flow-dispersing part (3110) is provided with a flow-guiding hole A (3120) opposite to the port of the cannula (5) and a flow-guiding hole B (3130) arranged on the circumferential surface of the plug (310); The flow-repellent section (3110) has two positional states within the cannula (5): Firstly, the spring (320) is compressed, the flow-dispersing part (3110) slides along the thin pipe section (510) to the thick pipe section (520), at the moment, the flow-guiding hole B (3130) of the flow-dispersing part (3110) is communicated with the thick pipe section (520), and the opposite insertion pipe (5) is in a conducting state; Secondly, the spring (320) is reset, the flow-dispersing part (3110) slides from the thick pipe section (520) to the thin pipe section (510), at the moment, the flow-guiding hole B (3130) of the flow-dispersing part (3110) is sealed by the inner wall of the thin pipe section (510), and the opposite insertion pipe (5) is in a sealed state.
  4. 4. The battery pack according to claim 3, wherein the inner wall of the joint section of the thick pipe section (520) and the thin pipe section (510) is provided with an annular cambered surface (7), and the outer ring of the plug (310) is correspondingly provided with a sealing ring (8); After the spring (320) pushes the plug (310) to reset, the truncated cone-shaped sealing ring (8) is attached to the annular cambered surface (7).
  5. 5. An integrated floating plug is characterized by comprising an electric connection female plug and the insertion pipe and quick-insertion mechanism according to any one of claims 1-4, wherein the electric connection female plug is electrically connected with a whole vehicle circuit, and the insertion pipe is communicated with water cooling equipment on a vehicle body.
  6. 6. An integrated floating plug according to claim 5, characterized in that a guiding structure (4) is arranged between the integrated floating plug (6) and the battery pack (1).
  7. 7. The floating plug as recited in claim 6, wherein the guiding structure (4) comprises a guiding post (410) vertically and fixedly installed on a tail shell of the battery pack (1) and a guiding hole (420) formed on the integrated floating plug.
  8. 8. The integrated floating plug according to any one of claims 1 to 7, wherein the insertion pipe is respectively communicated with the water cooling plate and the water cooling equipment through pipe joints arranged on the circumferential surface; And a tortuous waterway is formed between the cannula and the internal channel of the pipe joint.

Description

Battery pack and integrated floating plug Technical Field The invention belongs to the technical field of battery pack connection structures, and particularly relates to a battery pack and an integrated floating plug. Background The electric automobile is a development direction of a new energy automobile, and a battery pack is used for storing electric energy as a power source for driving the automobile to run. In order to ensure certain total electric quantity and output voltage requirements, the electric automobile needs to be provided with a certain number of battery packs, and each battery pack is connected through copper bars to form a battery module, so that the safety of a battery pack is improved, and the battery pack is assembled in a shell to form the battery pack. The battery pack is charged and discharged to generate heat to raise the temperature, the temperature is too high to adversely affect the performance and service life of the battery, even thermal runaway is caused to damage personal safety, so that the battery pack in use must be cooled, meanwhile, in a region with lower air temperature, the battery pack is required to be preheated in advance when the temperature is lower, the battery pack is required to be charged, the effect of quick charging is achieved, and therefore, a temperature control device is required to be added to facilities for arranging the battery pack in a battery bottom bin, a battery changing cabinet and the like and charging and discharging. In the traditional technical scheme, the whole water cooling plate paved in the frame is contacted with the battery pack inserted into the battery compartment of the vehicle, so that the heat exchange effect is achieved. However, each battery pack is independently provided with the water cooling plate, so that the heat exchange effect can be ensured, but the water cooling joint and the electric connection joint are relatively opposite, and the installation and connection of the water and electricity joints are required to be repeated when the battery packs are assembled and disassembled one by one, so that the difficulty of replacing and maintaining the battery packs is increased, and the efficiency of the power exchange operation is reduced. Disclosure of Invention The present invention is directed to a battery pack that is put into use to solve the problems set forth in the background art. The battery pack comprises a water cooling plate arranged at one side of the battery pack, wherein the tail end of the battery pack is provided with an electric connection male plug electrically connected with an internal electric core and two insertion tubes communicated with the water cooling plate; the quick-inserting structure is arranged in the inserting pipe, when the battery pack is inserted into the battery compartment of the vehicle, the quick-inserting mechanism is opened, the inserting pipe is conducted, and when the battery pack is pulled out of the battery compartment, the quick-inserting mechanism is closed, and the inserting pipe is closed. Preferably, the quick-plugging structure comprises a plug radially slidably mounted in the insertion pipe, one end of the insertion pipe behind the plug is plugged through a supporting seat, and a spring for pushing the plug to reset and plug an insertion pipe port is arranged between the supporting seat and the plug. Preferably, the cannula comprises a thin tube section at the free end and a thick tube section connected with the thin tube section; One end of the plug is a flow-dispersing part which is arranged in the thin pipe section in a sliding manner, and the flow-dispersing part is provided with a flow guide hole A opposite to the cannula port and a flow guide hole B arranged on the circumferential surface of the plug; The flow-dispersing part has two position states in the cannula: the first step is that the spring is compressed, the flow-dispersing part slides along the thin pipe section to the thick pipe section, at the moment, the flow-guiding hole B of the flow-dispersing part is communicated with the thick pipe section, and the opposite insertion pipe is in a conducting state; secondly, the spring is reset, the flow dispersing part slides from the thick pipe section to the thin pipe section, at the moment, the flow guiding hole B of the flow dispersing part is sealed by the inner wall of the thin pipe section, and the opposite inserting pipe is in a sealed state. Preferably, the inner wall of the joint section of the thick pipe section and the thin pipe section is an annular cambered surface, and the outer ring of the plug is correspondingly provided with a sealing ring; after the spring pushes the plug to reset, the round table-shaped sealing ring is attached to the annular cambered surface. The integrated floating plug comprises an electric connection female plug, an insertion pipe and a quick-insertion mechanism, wherein the electric connection female plug is electrically con