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CN-122000507-A - Automobile emergency power supply battery module flame retardant device based on thermal trigger expansion

CN122000507ACN 122000507 ACN122000507 ACN 122000507ACN-122000507-A

Abstract

The invention relates to the technical field of automobile emergency power supply flame retardance, and discloses an automobile emergency power supply battery module flame retardance device based on thermal trigger expansion, which comprises an emergency power supply body, wherein a control panel is arranged at one end of the emergency power supply body, an exhaust fan, a blower and an illuminating lamp are respectively arranged at the other end of the emergency power supply body, a power supply handle is fixedly arranged at the upper end of the emergency power supply body, and a battery block module assembly is arranged in the emergency power supply body.

Inventors

  • LIN ZHONGMING
  • LI XIANSHUN
  • LUO XIUHONG

Assignees

  • 广东储源之家科技有限公司

Dates

Publication Date
20260508
Application Date
20260206

Claims (10)

  1. 1. The automobile emergency power supply battery module flame retardant device based on thermal trigger expansion is characterized by comprising an emergency power supply body (1), wherein a battery block module assembly (551) is arranged in the emergency power supply body (1), the battery block module assembly (551) comprises an arc surface cooling well (20) fixedly arranged at the inner bottom end of the emergency power supply body (1), a plurality of battery blocks (13) are transversely distributed on the inner side of the arc surface cooling well (20), two conducting heads (38) are respectively arranged at the upper ends of the battery blocks (13), a plurality of low-melting-point alloy sheets (14) are respectively sleeved at the middle parts of the conducting heads (38) on each side, a fire extinguishing heat insulation assembly (552) is movably arranged in the emergency power supply body (1), the fire extinguishing heat insulation assembly (552) comprises a memory metal box (39) movably arranged in the emergency power supply body (1), a discharge port (12) is formed in the upper end of the memory metal box (39), a guide displacement assembly (553) is fixedly arranged in the emergency power supply body (1), a pressure relief assembly (554) is fixedly connected with the inner side of the emergency power supply body (1), the active cooling assembly (554) is fixedly connected with the inner wall (20) of the emergency power supply body (1), the active cooling assembly (554) is connected with the active cooling assembly (555), the upper end of the cambered surface cooling well (20) is rotatably provided with a linkage acceleration component (556).
  2. 2. The automobile emergency power supply battery module flame retardant device based on thermal trigger expansion according to claim 1, wherein expansion phase-change flame retardant bags (46) are arranged among a plurality of battery blocks (13), mounting rods (45) are fixedly connected to two ends of each expansion phase-change flame retardant bag (46), the mounting rods (45) are fixedly connected with the inner wall of an emergency power supply body (1), and cooling net boxes (44) are arranged among the battery blocks (13).
  3. 3. The automobile emergency power supply battery module flame retardant device based on thermal trigger expansion according to claim 1, wherein a plurality of radiating fins (58) are arranged on one side of the cambered surface cooling well (20) in a penetrating mode, a condenser (19) is arranged in the emergency power supply body (1), and the condenser (19) is matched with the radiating fins (58).
  4. 4. The automobile emergency power supply battery module flame retardant device based on thermal trigger expansion according to claim 1, wherein the guide displacement assembly (553) comprises two opening beams (9) fixedly connected to the inner wall of the emergency power supply body (1), sliding blocks (10) are slidably mounted in the middle of the two opening beams (9), the two sliding blocks (10) are fixedly connected with a memory metal box (39), and threaded blocks (11) are fixedly connected to the bottom ends of the two sliding blocks (10).
  5. 5. The automobile emergency power supply battery module flame retardant device based on thermal trigger expansion according to claim 4, wherein the bottom ends of the two opening beams (9) are respectively and rotatably provided with a reciprocating screw rod (48), one ends of the two reciprocating screw rods (48) penetrating through the opening beams (9) are respectively and fixedly sleeved with a turbine (49), one side of the operating box (15) is fixedly provided with a miniature double-shaft motor II (40), two ends of the miniature double-shaft motor II (40) are respectively and rotatably provided with a rotating shaft II (41), two sides, far away from each other, of the rotating shafts II (41) are respectively and fixedly connected with a worm (50), the turbines (49) are respectively and rotatably connected with the inner wall of the emergency power supply body (1), and the two threaded blocks (11) are respectively sleeved with the reciprocating screw rods (48).
  6. 6. The fire-retardant device of an automobile emergency power supply battery module based on thermal trigger expansion according to claim 1, wherein the cooling protection assembly (555) comprises a plurality of traction auxiliary shafts (57) rotatably installed in the cambered surface cooling well (20), the outer surfaces of the traction auxiliary shafts (57) are jointly provided with a conveying belt (35), two sides of the conveying belt (35) are fixedly connected with a plurality of conveying tooth plates (36), and the inner side of the conveying tooth plates (36) and the inner wall of the cambered surface cooling well (20) are arranged in a sliding mode.
  7. 7. The fire-retardant device of an automobile emergency power supply battery module based on thermal trigger expansion as claimed in claim 6, wherein the linkage acceleration assembly (556) comprises a traction main shaft (42) rotatably installed at one side of the cambered surface cooling well (20), a first pinion gear (43) is fixedly sleeved at the upper end of the traction main shaft (42), and a plurality of tooth grooves (47) meshed with the traction main shaft (42) are formed in the inner wall of the conveying belt (35).
  8. 8. The fire-retardant device of an automobile emergency power supply battery module based on thermal trigger expansion according to claim 7, wherein a fire-retardant cover (37) is sleeved on the outer sides of a plurality of battery blocks (13) together, a buckling plate (21) is sleeved on the outer surface of the fire-retardant cover (37), a miniature double-shaft motor I (16) is vertically and fixedly arranged on one side of the buckling plate (21), rotating shafts I (17) are arranged at two ends of the miniature double-shaft motor I (16), and a main gear I (18) meshed with a secondary gear I (43) is sleeved on the outer surface of the lower portion of the rotating shaft I (17).
  9. 9. The automobile emergency power supply battery module flame retardant device based on thermal trigger expansion is characterized in that two pressure release pipes (8) are fixedly connected to the upper end of an operation box (15), the two pressure release pipes (8) are arranged in a penetrating mode with an emergency power supply body (1), pressure release cylinders (23) are arranged on the two sides of the operation box (15) in a penetrating mode, pressure release pistons (22) are slidably arranged on the inner sides of the pressure release cylinders (23), piston rods (27) are rotatably connected to the upper ends of the pressure release pistons (22), a hollow cylinder I (24) is rotatably sleeved on the upper end of the operation box (15), a swinging device (28) is fixedly sleeved on the upper end of the hollow cylinder I (24), guide pin blocks (25) are fixedly sleeved on the middle of the swinging device (28), limit pins (26) are hinged to the two sides of the guide pin blocks (25), the two limit pins (26) are rotatably connected with the piston rods (27) respectively, two hollow cylinders (29) are rotatably connected to the upper ends of the swinging device (28), and the two hollow cylinders (29) are fixedly connected to the two hollow cylinders (31), and the two hollow cylinders (31) are in a matched mode, and the two hollow cylinders are fixedly connected to the two hollow cylinders (31) are in a matched mode.
  10. 10. The automobile emergency power supply battery module flame retardant device based on thermal trigger expansion according to claim 9, wherein a first rotating shaft (17) is installed in the middle of the operating box (15) in a penetrating and rotating mode, the first rotating shaft (17) penetrates through the first hollow cylinder (24) and is fixedly connected with the guide pin block (25), a second main gear (30) is fixedly sleeved at one end of the first rotating shaft (17) penetrating through the operating box (15), rotating shaft seats (32) are installed at the bottom ends of the two pressure relief cylinders (23) in a rotating mode, wind blades (34) are fixedly sleeved at the lower portions of the two rotating shaft seats (32) in a sleeved mode, second auxiliary gears (33) are fixedly meshed with the second main gears (30), and the two auxiliary gears (33) are meshed with the second main gears.

Description

Automobile emergency power supply battery module flame retardant device based on thermal trigger expansion Technical Field The invention relates to the technical field of automobile emergency power supply flame retardance, in particular to an automobile emergency power supply battery module flame retardance device based on thermal trigger expansion. Background With the wide application of the lithium ion battery block in an automobile emergency power supply, a new energy automobile and an energy storage system, the thermal runaway safety problem of the lithium ion battery block is increasingly remarkable, and the lithium ion battery block can trigger internal interlocking exothermic reaction under abuse conditions such as overcharging, short circuit, mechanical damage and the like, so that the temperature is rapidly increased (thermal runaway), and a large amount of combustible gas is generated, fire is sprayed and even explosion is carried out, thereby seriously threatening the personal and property safety; At present, the existing automobile emergency power supply battery module flame retardant device based on thermal trigger expansion has the defects that a high-strength metal or composite material shell is adopted to limit thermal runaway in a battery block package, high-pressure gas generated by the thermal runaway is easy to cause the shell to burst to cause secondary disasters, the internal thermal spread cannot be restrained by simple sealing, materials such as expandable graphite, aluminum hydroxide and the like are filled between battery blocks, an insulating layer is formed by expansion after heating, only physical isolation is needed, active cooling and fire extinguishing functions are not needed, internal gas is released when the battery block shell is provided with a weak point or a one-way valve in advance, only pressure release is needed, internal chemical reaction cannot be restrained, the high-temperature combustible gas can be ignited by an external ignition source after being sprayed out, jet fire is formed, oxygen can flow backward after the pressure release, and combustion is intensified. In view of the above problems of the existing flame retardant device for an automobile emergency power supply battery module based on thermal trigger expansion, we propose a flame retardant device for an automobile emergency power supply battery module based on thermal trigger expansion. Disclosure of Invention The invention aims to provide an automobile emergency power supply battery module flame-retardant device based on thermal trigger expansion, which is used for overcoming the defects in the prior art. The invention is realized by the following technical scheme; The invention discloses an automobile emergency power supply battery module flame retardant device based on thermal trigger expansion, which comprises an emergency power supply body, wherein a control panel is arranged at one end of the emergency power supply body, an exhaust fan, a blower and an illuminating lamp are respectively arranged at the other end of the emergency power supply body, a power supply handle is fixedly arranged at the upper end of the emergency power supply body, a battery block module assembly is arranged in the emergency power supply body, the battery block module assembly comprises an arc-surface cooling well fixedly arranged at the inner bottom end of the emergency power supply body, a plurality of battery blocks are transversely distributed and arranged at the inner side of the arc-surface cooling well, two conducting heads are respectively arranged at the upper ends of the battery blocks, a low-melting-point alloy sheet is respectively sleeved at the middle parts of the conducting heads at each side, a fire extinguishing heat insulation assembly is movably arranged in the emergency power supply body, a memory metal box which is movably arranged in the emergency power supply body, a discharge opening is arranged at the upper end of the memory metal box, a guide displacement assembly is fixedly arranged in the emergency power supply body, an active assembly is fixedly connected with the inner side of the emergency power supply body, the active assembly comprises a cooling well, the active assembly is fixedly connected with the inner side of the active power supply body, the active assembly comprises a cooling box and the active cooling assembly is fixedly connected with the inner wall of the arc-surface cooling well, the active cooling assembly is rotatably connected with the operation cooling well, and the active cooling assembly is rotatably arranged at the inner wall, and the arc-surface cooling well is rotatably connected with the cooling well. Preferably, a plurality of all be provided with the fire-retardant bag of inflation phase transition between the battery piece, a plurality of the fire-retardant bag of inflation phase transition's both ends are all fixedly connected with installation pole, and a plura