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CN-224217538-U - Temperature control detection structure for lithium battery of electric automobile

CN224217538UCN 224217538 UCN224217538 UCN 224217538UCN-224217538-U

Abstract

The utility model discloses a temperature control detection structure for lithium batteries of electric automobiles, which comprises a protective shell, an air cooling and heat dissipation mechanism, wherein the lithium batteries are fixedly connected in the protective shell, a protective bottom plate is fixedly arranged at the bottom of the protective shell, the air cooling and heat dissipation mechanism comprises a motor, a first connecting rod, a second connecting rod, a third connecting rod, a connecting plate and an air deflector, a vertical plate is fixedly arranged at the top of the protective bottom plate, the motor is fixedly connected to the vertical plate, one end of the first connecting rod is fixedly connected to a power output end of the motor, one end of the second connecting rod is rotatably connected to the first connecting rod, the side wall of the third connecting rod is rotatably connected with the second connecting rod, the end of the connecting plate is rotatably connected to the side wall of the third connecting rod, and one end of the air deflector is fixedly connected with the connecting plate. According to the utility model, the air cooling heat dissipation mechanism is used for primarily dissipating heat of the lithium battery, the water cooling heat dissipation mechanism is used for further improving the heat dissipation effect of the lithium battery, and the protection mechanism is used for protecting the lithium battery, so that the battery is prevented from being damaged due to being hit by stones.

Inventors

  • WU YE
  • Wei Pinqiang
  • ZHANG HUI

Assignees

  • 广东以泰科技有限公司

Dates

Publication Date
20260508
Application Date
20250508

Claims (8)

  1. 1. A control by temperature change detects structure for electric automobile lithium cell, its characterized in that includes: The lithium battery protection device comprises a protection shell (100), wherein a lithium battery (200) is fixedly connected in the protection shell (100), and a protection bottom plate (110) is fixedly arranged at the bottom of the protection shell (100); The air-cooling heat dissipation mechanism comprises a motor (410), a first connecting rod (420), a second connecting rod (430), a third connecting rod (440), a connecting plate (450) and an air deflector (460); The utility model discloses a motor, including protection bottom plate (110), connecting plate (450), first connecting rod (420), second connecting rod (430), connecting plate (450), riser (111) are fixed with at protection bottom plate (110) top, motor (410) fixed connection is at the lateral wall of riser (111), first connecting rod (420) one end fixed connection is at the power take off end of motor (410), second connecting rod (430) one end rotates the other end of connecting rod (420), third connecting rod (440) lateral wall and second connecting rod (430) other end rotate to be connected, connecting plate (450) have a plurality ofly, a plurality of connecting plate (450) tip equidistance rotate to be connected at third connecting rod (440) lateral wall, aviation baffle (460) one end and connecting plate (450) fixed connection.
  2. 2. The temperature control detection structure for the lithium battery of the electric automobile of claim 1, wherein the air cooling and heat dissipation mechanism further comprises an air inlet (470); The air inlets (470) are multiple, the air inlets (470) are equidistantly formed in the protective bottom plate (110), the middle of the connecting plate (450) is rotationally connected to one end of the air inlets (470), and the other end of the air deflector (460) is rotationally connected to the other end of the air inlets (470).
  3. 3. The temperature control detection structure for the lithium battery of the electric automobile of claim 2, wherein a third groove (471) and a fourth groove (472) are respectively formed in two side walls of the air inlet (470), a first groove (461) and a second groove (462) are respectively formed in two sides of the air deflector (460), the first groove (461) is embedded with the third groove (471), and the second groove (462) is embedded with the fourth groove (472).
  4. 4. The temperature control detection structure for a lithium battery of an electric vehicle of claim 3, further comprising a water cooling mechanism, wherein the water cooling mechanism comprises a temperature sensor (310), a circulating pipe (320) and a cold water compressor (330); The temperature sensor (310) has a plurality ofly, and a plurality of temperature sensor (310) equidistance distributes fixed connection at the surface of lithium cell (200), circulating pipe (320) fixed connection is at the surface of lithium cell (200), cold water compressor (330) fixed connection is at the lateral wall of protecting sheathing (100), circulating pipe (320) one end fixed connection is at the water inlet of cold water compressor (330), circulating pipe (320) other end fixed connection is at the play water end of cold water compressor (330).
  5. 5. The temperature control detection structure for a lithium battery of an electric automobile of claim 4, further comprising a protection mechanism, wherein the protection mechanism comprises a socket (510), a protection net (520) and a sliding rail (530); The socket (510) is arranged at one end of the protection bottom plate (110), the sliding rail (530) is fixed on the side wall of the protection shell (100), the protection net (520) penetrates through the socket (510), and the protection net (520) is slidably connected in the sliding rail (530).
  6. 6. The temperature control detection structure for the lithium battery of the electric automobile of claim 5, wherein the protection net (520) is a soft steel wire net, a long plate (521) is fixedly connected to the end part of the protection net (520), the long plate (521) is embedded in the socket (510), and fixing holes (522) are formed in two ends of the long plate (521).
  7. 7. The temperature control detection structure for the lithium battery of the electric automobile of claim 6, further comprising two fixing components, wherein the two fixing components are respectively fixed at two ends of the socket (510), and the fixing components comprise a convex plate (541), a sliding groove (542), a fixing column (543) and an elastic piece; The utility model discloses a socket, including fixed connection, elastic component, spout (542), fixed connection, protruding board (541) fixed connection is in socket (510) one end, protruding board (541) gomphosis is in fixed orifices (522), spout (542) are seted up on protruding board (541) surface, fixed column (543) have two, two fixed column (543) symmetry sliding connection is in spout (542), elastic component both ends are fixed connection respectively at the lateral wall of two fixed columns (543).
  8. 8. The temperature control detection structure for a lithium battery of an electric automobile of claim 7, wherein the elastic member comprises a telescopic rod (544) and a spring (545); The two ends of the telescopic rod (544) are respectively and fixedly connected to the side walls of the two fixed columns (543), the two ends of the spring (545) are respectively and fixedly connected to the side walls of the two fixed columns (543), and the telescopic rod (544) penetrates through the spring (545).

Description

Temperature control detection structure for lithium battery of electric automobile Technical Field The utility model relates to the technical field of temperature control of lithium batteries, in particular to a temperature control detection structure for an electric automobile lithium battery. Background Lithium batteries are a type of battery using a nonaqueous electrolyte solution with lithium metal or a lithium alloy as a positive/negative electrode material. The chemical characteristics of lithium metal are very active, so that the processing, storage and use of lithium metal have very high requirements on environment. Lithium ion batteries do not contain lithium in the metallic state and are rechargeable. With the development of science and technology, lithium batteries have become the mainstream. The new energy automobile relies on the lithium battery to provide power, and after the new energy automobile runs for a period of time, the battery at the bottom of the automobile can continuously burn because of running, especially when the temperature is too high in summer, the temperature of the lithium battery burns more seriously, the overheated lithium battery can not only influence the normal use of the battery, and the serious possibility can cause spontaneous combustion, seriously threatens the life safety of personnel on the automobile. Disclosure of utility model The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the temperature control detection structure for the lithium battery of the electric automobile provided by the utility model can realize the effect of cooling the lithium battery: according to an embodiment of the utility model, a temperature control detection structure for a lithium battery of an electric automobile comprises: The lithium battery is fixedly connected in the protective shell, and a protective bottom plate is fixed at the bottom of the protective shell; The air cooling heat dissipation mechanism comprises a motor, a first connecting rod, a second connecting rod, a third connecting rod, a connecting plate and an air deflector; The protection bottom plate top is fixed with the riser, motor fixed connection is at the lateral wall of riser, first connecting rod one end fixed connection is at the power take off end of motor, second connecting rod one end rotates the other end of connecting at first connecting rod, the third connecting rod lateral wall rotates with the second connecting rod other end to be connected, the connecting plate has a plurality ofly, a plurality of connecting plate tip equidistance rotates to be connected at the third connecting rod lateral wall, aviation baffle one end and connecting plate fixed connection. According to some embodiments of the utility model, the air-cooled heat dissipation mechanism further comprises an air inlet; The air inlets are multiple, the air inlets are formed in the protection bottom plate at equal intervals, the middle of the connecting plate is rotationally connected to one end of the air inlet, and the other end of the air deflector is rotationally connected to the other end of the air inlet. According to some embodiments of the utility model, the two side walls of the air inlet are respectively provided with a third groove and a fourth groove, the two sides of the air deflector are respectively provided with a first groove and a second groove, the first groove is embedded with the third groove, and the second groove is embedded with the fourth groove. According to some embodiments of the utility model, the system further comprises a water cooling mechanism, wherein the water cooling mechanism comprises a temperature sensor, a circulating pipe and a cold water compressor; The lithium battery cooling device comprises a plurality of temperature sensors, wherein the temperature sensors are fixedly connected to the surface of the lithium battery in an equidistant mode, a circulating pipe is fixedly connected to the surface of the lithium battery, a cold water compressor is fixedly connected to the side wall of a protective shell, one end of the circulating pipe is fixedly connected to the water inlet end of the cold water compressor, and the other end of the circulating pipe is fixedly connected to the water outlet end of the cold water compressor. According to some embodiments of the utility model, the device further comprises a protection mechanism, wherein the protection mechanism comprises a socket, a protection net and a sliding rail; The socket is formed in one end of the protective bottom plate, the sliding rail is fixed on the side wall of the protective shell, the protective net penetrates through the socket, and the protective net is connected in the sliding rail in a sliding mode. According to some embodiments of the utility model, the protection net is a soft steel wire net, the end part of the protection net is fixedly connected with a long plate, t