Search

CN-224232862-U - Battery and electric two-wheeled vehicle

CN224232862UCN 224232862 UCN224232862 UCN 224232862UCN-224232862-U

Abstract

The utility model discloses a battery and an electric two-wheeled vehicle, which comprises a box body, a battery core module and a flame-retardant module, wherein the box body comprises a shell and a cover body, the cover body is provided with a first side and a second side, the first side is hinged to one side of the top end of the shell, the second side is connected with an elastic belt, the elastic belt is detachably connected with the shell, the cover body is provided with a side plate, the side plate is attached to the outer side surface of the shell, the side plate of the second side is provided with a ventilation groove, the side wall of the shell covers the inner side of the ventilation groove, the battery core module is arranged in the shell, the flame-retardant module comprises a separation plate and a hot aerosol fire extinguisher, the separation plate covers the battery core module, the separation plate is provided with a diversion channel, the diversion channel is provided with a discharge hole facing the battery core module, and the hot aerosol fire extinguisher is arranged in the shell and communicated with the diversion channel. The utility model not only can effectively improve the explosion-proof effect, but also can intensively flame-retardant the cell module, has better flame-retardant effect, and can also reduce the influence of aerosol splashing on other parts in the battery.

Inventors

  • YANG JINLIN
  • LIU ZHIPING
  • LI PING

Assignees

  • 湖南嘟嘟智慧科技有限公司

Dates

Publication Date
20260512
Application Date
20250513

Claims (10)

  1. 1. A battery, comprising: The box body comprises a shell and a cover body, wherein the top end of the shell is in an open arrangement, the cover body is provided with a first side and a second side which are opposite, the first side is hinged to one side of the top end of the shell, the second side is connected with an elastic belt, the bottom end of the elastic belt is detachably connected with the other side of the top end of the shell, the cover body is provided with a side plate, the side plate is attached to the outer side surface of the shell, the side plate of the second side is provided with a ventilation groove, the side wall of the shell covers the inner side of the ventilation groove, or the side wall of the shell is provided with a ventilation groove, and the side plate of the second side covers the outer side of the ventilation groove; the battery cell module is arranged in the shell; The flame retardant module comprises a separation plate and a hot aerosol fire extinguisher, wherein the separation plate is arranged in the shell and covers the top end of the battery cell module, the separation plate is provided with a diversion channel, the bottom end of the diversion channel is provided with a discharge hole facing the battery cell module, and the hot aerosol fire extinguisher is arranged in the shell and is communicated with the diversion channel; When the bottom surface of the cover body is impacted by air flow in the shell, the second side can move upwards to enable the inner cavity of the shell to be communicated with the external environment through the ventilation groove, and aerosol can be input into the diversion channel after the hot aerosol fire extinguisher is activated.
  2. 2. The battery according to claim 1, wherein the isolation plate is provided with a heat conducting hole penetrating through the isolation plate from top to bottom, the hot aerosol fire extinguisher is located above the heat conducting hole and covers the heat conducting hole, and a temperature sensor is arranged at the bottom end of the hot aerosol fire extinguisher.
  3. 3. The battery of claim 1, wherein the battery further comprises: The explosion-proof assembly comprises a mounting seat and an explosion-proof plate, wherein the mounting seat is mounted on the cover body, the mounting seat is provided with an air hole penetrating up and down, the air hole comprises a first hole section and a second hole section, the second hole section is positioned below the first hole section, the aperture of the second hole section is smaller than that of the first hole section, the hole wall of the first hole section is provided with a communication groove, the communication groove extends vertically, and the explosion-proof plate is slidably mounted in the first hole section and covers the top end of the second hole section; When the air flow in the shell enters the second hole section, the explosion-proof plate can be lifted by the air flow to be higher than the bottom end of the communication groove, so that the top end of the first hole section is communicated with the second hole section through the communication groove.
  4. 4. The battery of claim 3, wherein the explosion proof assembly further comprises: and the elastic piece is connected with the hole wall of the first hole section and elastically abuts against the upper end surface of the explosion-proof plate.
  5. 5. The battery of claim 4, wherein the elastic member comprises: A connecting part connected to the wall of the first hole section; And the elastic sheet is connected with the connecting part and extends from top to bottom along the axial lead close to the first hole section in a bending way.
  6. 6. A battery according to claim 3, wherein the cover is provided with a mounting hole penetrating up and down, and the mounting seat comprises: The mounting part comprises a mounting ring and a convex ring, the mounting ring is mounted at the upper end of the cover body through a fastener, a threaded hole is formed in the mounting ring, the convex ring is arranged at the bottom end of the mounting ring and is matched and inserted into the mounting hole, the second hole Duan Sheyu is the convex ring, and the aperture of the threaded hole is larger than that of the second hole section; The screw bolt is in threaded connection with the threaded hole, and the first hole section is arranged on the screw bolt.
  7. 7. The battery of claim 6, wherein the outer end of the bottom surface of the collar is flush with the bottom surface of the cover, the bottom surface of the collar extending obliquely upward from outside to inside.
  8. 8. The battery of claim 1, wherein the cell module comprises a plurality of cells arranged side by side, the battery further comprises two heat dissipation assemblies, the two heat dissipation assemblies are arranged in the box and are respectively positioned at two sides of the width direction of the cells, and the heat dissipation assemblies comprise: The mounting rack is mounted in the box body and extends along the arrangement direction of the plurality of battery cells; The heat conduction elastic parts are arranged on the mounting frame and along the extending direction of the mounting frame, the heat conduction elastic parts are respectively provided with a first abutting part and a second abutting part at two sides of the extending direction of the mounting frame, the first abutting parts and the second abutting parts of the same heat conduction elastic parts extend downwards or upwards in a bending mode along the mutually-far direction, the first abutting parts are respectively used for abutting the side edges of the battery cells in the width direction, and the second abutting parts are used for abutting the inner side walls of the box body.
  9. 9. The battery according to claim 8, wherein the first abutting portion is provided with a slot on the outer side thereof, the slot being inserted with the widthwise side of the battery cell, and/or, The heat conduction elastic part is provided with a sleeve hole, and is slidably sleeved on the mounting frame through the sleeve hole.
  10. 10. An electric two-wheeled vehicle comprising a battery as claimed in any one of claims 1 to 9.

Description

Battery and electric two-wheeled vehicle Technical Field The utility model relates to the technical field of batteries, in particular to a battery and an electric two-wheeled vehicle. Background The electric core module of battery can produce gas at charge and discharge's in-process, and gaseous too much can cause the atmospheric pressure in the battery great, in the correlation technique, can set up the bleeder vent on the lid of battery and breathe freely, but in order to reduce outside dust and rainwater and get into the battery through the bleeder vent and cause the influence to the part in the battery, the aperture of bleeder vent generally sets up less, so, when the electric core module in the battery appears the short circuit and produces a large amount of heat and even catch fire, the electrolyte decomposes in the twinkling of an eye and can produce a large amount of gas, and the bleeder vent that the aperture is less can not reach ventilatively, explosion-proof effect is relatively poor. In addition, a hot aerosol fire extinguisher is arranged in the box body of part of the batteries, when the temperature is too high, the hot aerosol fire extinguisher is activated, a large amount of aerosol is generated to absorb heat, and the oxygen concentration is reduced, so that flame retardance is realized. However, in the use process, aerosol generated by the hot aerosol fire extinguisher of the existing battery can splash everywhere, so that the electric core module cannot be concentrated to be flame-retardant, the flame-retardant effect is poor, and the aerosol can splash on other parts in the battery to influence other parts. 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 utility model provides the battery, which not only can effectively improve the explosion-proof effect, but also can intensively flame-retardant the battery core module, has better flame-retardant effect, and can also reduce the influence of aerosol splashing on other parts in the battery. The utility model also provides an electric two-wheel vehicle with the battery. According to the battery, the battery comprises a box body, a battery cell module and a flame retardant module, wherein the box body comprises a shell and a cover body, the top end of the shell is arranged in an open mode, the cover body is provided with a first side and a second side which are opposite, the first side is hinged to one side of the top end of the shell, the second side is connected with an elastic belt, the bottom end of the elastic belt is detachably connected with the other side of the top end of the shell, the cover body is provided with a side plate, the side plate is attached to the outer side face of the shell, the side plate on the second side is provided with a ventilation groove, the side plate on the second side covers the outer side of the ventilation groove, the electric core is arranged in the shell in a combined mode, the flame retardant module comprises a separation plate and a hot aerosol fire extinguisher, the separation plate is arranged in the shell and covers the top end of the battery cell module, the separation plate is provided with a diversion channel, the bottom end of the diversion channel is provided with a discharge channel facing the electric core and is connected with the air guide channel through the air guide channel, and the air guide channel is communicated with the air guide channel when the air guide channel is arranged in the shell, and the air guide channel is connected with the air guide channel through the air guide channel. The battery provided by the embodiment of the utility model has at least the following beneficial effects: When the electric core module in the battery is short-circuited and generates high temperature, the hot aerosol fire extinguisher is activated and generates a large amount of aerosol, the aerosol is conveyed into the diversion channel and then sprayed out through the discharge port, and due to the fact that the separation plate is arranged, the separation plate covers the top end of the electric core module, the discharge port faces the electric core module, and then the aerosol sprayed out of the discharge port can be intensively sprayed to the electric core module and can not splash everywhere at will, so that the electric core module can be concentrated to be flame-retardant, the flame-retardant effect is better, and the influence on other components caused by the fact that the aerosol splashes onto other components in the battery can be reduced. In addition, when the cell module in the battery is short-circuited and generates high temperature, a large amount of gas can be generated by the instant decomposition of the electrolyte, the high-pressure gas flow can impact the bottom surface of the cover body, the elastic belt can elastically stretch under the impact force, and the second side of