CN210489705U

CN210489705U - Motorcycle starting lithium battery

Info

Publication number: CN210489705U
Application number: CN201922131009.7U
Authority: CN
Inventors: 范国义; 钟煜亮
Original assignee: Hangzhou Weihong Energy Technology Co ltd
Current assignee: Hangzhou Weihong Energy Technology Co ltd
Priority date: 2019-12-03
Filing date: 2019-12-03
Publication date: 2020-05-08
Anticipated expiration: 2029-12-03

Abstract

The utility model provides a motorcycle starts lithium cell, is including crossing filter shell, bellows, panel, group battery, drawing out the wind subassembly, fastening wind cover and fan group, the one end of bellows is equipped with crosses filter shell, the other end and panel sealing connection, the other end and the panel sealing connection of panel, be equipped with the group battery in the bellows, be equipped with in the group battery and draw out the wind subassembly, the one end of drawing out the wind subassembly is passed the hole of drawing out the wind on the panel and is received wind cover fixed connection with the fastening, it is equipped with fan group on the wind cover to fasten, compares with prior art, the utility model discloses can start fan group after motorcycle ignition, form the flowing wind around electric core in the bellows to cool down to starting high-rate discharge's electric core because of igniting, prevent to lead to a series of thermal runaway problems that the diaphragm variant arouses because of the inside intensification of.

Description

Motorcycle starting lithium battery

Technical Field

The utility model relates to a lithium cell technical field, in particular to motorcycle starts lithium cell.

Background

Compared with the traditional lead-acid battery, the lithium battery has the advantages of high energy density, high battery voltage, wide working temperature range and the like, is a battery taking lithium metal or lithium alloy as a negative electrode material and using non-aqueous electrolyte solution, and is widely applied to various fields.

Compared with the traditional lead-acid battery, the special lithium battery for the motorcycle has the characteristics of environmental protection, long service life, low self-discharge, storage resistance and the like, and can solve most of problems through proper protection, such as: potential safety hazards such as falling, extrusion, acupuncture, heavy object impact and the like, but when starting ignition high-rate discharge, the lithium battery generates heat, so that the problem of thermal runaway is difficult to solve.

SUMMERY OF THE UTILITY MODEL

The utility model provides a fast motorcycle of high magnification discharge cooling starts lithium cell to above problem.

The utility model provides a technical scheme that above technical problem adopted is:

the utility model provides a motorcycle starts lithium cell, is including crossing filter shell, bellows, panel, group battery, drawing out the wind subassembly, fastening and receive wind cover and fan group, the one end of bellows is equipped with crosses filter shell, the other end and panel sealing connection, the other end and the panel sealing connection of panel, be equipped with the group battery in the bellows, be equipped with the subassembly of drawing out the wind in the group battery, the one end of drawing out the wind subassembly passes the hole of drawing out the wind on the panel and fastens and receive wind cover fixed connection, the fastening is received and is equipped with fan group on the wind cover.

As an improvement: the battery pack includes: the cell comprises four cells and a cell frame, wherein the cell frame is internally provided with the cells, the voltage of the cells is 3.6-4.2V, the four cells are sequentially connected in series, the series voltage is 12.8V, the capacity is 4AH, and the cell end faces arranged at the head and the tail are respectively and electrically connected with a positive pole column and a negative pole column; the filter shell is characterized in that a frame pin is arranged on the end face of the groove frame, a plurality of groove holes are formed in the side face of the groove frame, a positioning groove is formed in the inner face of the filter shell, and the frame pin is matched with the positioning groove.

After the arrangement, the battery cell is fixed, and meanwhile, the heat dissipation area around the battery cell is ensured not to be greatly reduced.

As an improvement: the draft subassembly includes: rack and second filter screen, be equipped with round second filter screen on the lateral wall of rack, the closed end of rack supports on the inner face of truss.

After the arrangement, the air draft assembly forms negative pressure in the groove frame, so that air flows in from the groove hole, the contact area of flowing cold air and the battery cell is larger, the contact time is shorter, and heat exchange is facilitated.

As an improvement: the current protection module is arranged on the distribution board, a Jia Bai Da HP04SK protection circuit is selected as the current protection module, the positive pole and the negative pole of each battery cell are respectively led into a signal sampling module of the current protection module through leads, and one end of each positive pole and one end of each negative pole penetrate through the distribution board.

After the setting, the current protection module protects the battery cell from over-charge and over-discharge; the voltage and the electric quantity of each battery cell can be detected, so that the whole battery cell is optimized, direct current can be provided for the current protection module, and normal use of each component and load on the current protection module is guaranteed.

As an improvement: the fan group includes: the fan comprises a motor and fan blades connected with a rotating shaft of the motor.

The setting increases the wind-pulling effect.

As a further improvement, a plurality of air inlets are formed in the side face of the filtering shell, the opening end of the filtering shell is fixedly connected with the first filter screen, and a through hole matched with the frame pin is formed in the first filter screen.

After the arrangement, the first filter screen effectively filters sundries in the inlet air, and ensures that all structures in the air box are tightly connected to form smooth air channels.

As a further improvement, a plurality of air outlets are formed in the end face of the panel, and a positive electrode connector, a negative electrode load connector and a negative electrode charging connector are further arranged on the panel.

After the arrangement, the positive electrode joint and the negative electrode load joint are respectively connected to the igniter, and the positive electrode joint and the negative electrode charging joint are respectively connected to the generator, so that the connection is convenient.

As a further improvement, the positive pole is electrically connected with the positive terminal, the negative pole is electrically connected with the negative input terminal on the current protection module, the load terminal of the current protection module is electrically connected with the negative load terminal, the charging terminal of the current protection module is electrically connected with the negative charging terminal, and the motor is electrically connected with the positive and negative output terminals of the current protection module respectively.

After the arrangement, the on-off of the current loop can be controlled in time.

As a further improvement, the diameter of the net rack is smaller than the inner diameter of the groove rack, the net rack, the groove rack, the fastening wind-collecting sleeve and the fan set are coaxial, the diameter of the motor is smaller than the inner diameter of the fastening wind-collecting sleeve, and the fastening wind-collecting sleeve is in threaded connection with one end, penetrating through the distribution board, of the net rack.

The wind resistance is reduced after the arrangement.

As a further improvement, the length of the battery cell is not more than that of the groove frame, and the battery cell is arranged in the middle of the groove frame; the length of the groove frame is smaller than that of the inner cavity of the air box, and the groove frame is arranged in the middle of the air box.

After the arrangement, a gap is formed between the groove frame and the air box, so that ventilation is facilitated.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses can start the fan group after motorcycle ignition, form the flowing wind that encircles electric core in bellows to cooling down because of the electric core that the ignition started high multiplying power is discharged, prevent to lead to a series of thermal runaway problems that the diaphragm variant arouses because of the inside intensification of electric core.

Drawings

Fig. 1 is the utility model relates to a motorcycle starts structural schematic of lithium cell.

Fig. 2 is the utility model relates to a three-dimensional cross-sectional view of motorcycle starting lithium cell.

Fig. 3 is an explosion diagram of the lithium battery for starting a motorcycle of the present invention.

Fig. 4 is the utility model relates to a motorcycle starts group battery structure schematic diagram of lithium cell.

Fig. 5 is the utility model relates to a tank frame mechanism schematic diagram of motorcycle start lithium cell.

Fig. 6 is the utility model relates to a motorcycle starts drawing out wind subassembly schematic diagram of lithium cell.

Fig. 7 is the utility model relates to a distribution board structure schematic diagram of motorcycle start lithium cell.

Fig. 8 is a schematic circuit diagram of a lithium battery for starting a motorcycle according to the present invention.

In the figure, 1, a filter shell, 11, an air inlet, 12, a positioning groove, 13, a first filter screen, 2, an air box, 3, a distribution board, 31, a current protection module, 32, an air pulling hole, 4, a panel, 41, an air outlet, 42, a positive electrode connector, 43, a negative electrode load connector, 44, a negative electrode charging connector, 5, a battery pack, 51, an electric core, 511, a positive electrode column, 512, a negative electrode column, 52, a groove frame, 521, a slotted hole, 522, a frame pin, 6, an air pulling assembly, 61, a net frame, 62, a second filter screen, 7, a fastening air collecting sleeve, 8, a fan set, 81, a motor and 82 fan blades are arranged.

Detailed Description

The invention is further described with reference to the accompanying drawings and the detailed description.

As shown in fig. 1 to 8, a motorcycle starting lithium battery comprises a filter housing 1, an air box 2, a distribution board 3, a panel 4, a battery pack 5, a wind-pulling assembly 6, a fastening wind-receiving sleeve 7 and a fan set 8, wherein one end of the air box 2 is provided with the filter housing 1, the other end of the air box 2 is hermetically connected with the distribution board 3, the other end of the distribution board 3 is hermetically connected with the panel 4, the battery pack 5 is arranged in the air box 2, the wind-pulling assembly 6 is arranged in the battery pack 5, one end of the wind-pulling assembly 6 passes through a wind-pulling hole 32 on the distribution board 3 and is fixedly connected with the fastening wind-receiving sleeve 7, and the fastening wind-receiving sleeve 7 is provided with the;

the battery pack 5 includes: the battery cell structure comprises battery cells 51 and a slot frame 52, wherein the slot frame 52 is internally provided with the battery cells 51, four battery cells 51 are sequentially connected in series, and a positive pole 511 and a negative pole 512 are respectively and electrically connected to the end faces of the battery cells 51 arranged at the head and the tail; a frame pin 522 is arranged on the end face of the groove frame 52, a plurality of groove holes 521 are arranged on the side face of the groove frame 52, a positioning groove 12 is arranged on the inner face of the filter shell 1, and the frame pin 522 is matched with the positioning groove 12;

the draft assembly 6 includes: a net rack 61 and a second filter screen 62, wherein a ring of the second filter screen 62 is arranged on the side wall of the net rack 61, and the closed end of the net rack 61 is abutted against the inner surface of the groove rack 52;

the distribution board 3 is provided with a current protection module 31, and one end of the positive pole column 511 and one end of the negative pole column 512 penetrate through the distribution board 3;

fan group 8 includes: a motor 81 and a fan blade 82 connected with the rotating shaft of the motor 81.

A plurality of air inlets 11 are formed in the side surface of the filter shell 1, the open end of the filter shell 1 is fixedly connected with a first filter screen 13, and a through hole matched with the frame pin 522 is formed in the first filter screen 13; the end face of the panel 4 is provided with a plurality of air outlets 41, and the panel 4 is also provided with a positive electrode joint 42, a negative electrode load joint 43 and a negative electrode charging joint 44; the positive pole 511 is electrically connected with the positive pole connector 42, the negative pole 512 is electrically connected with the negative pole input end of the current protection module 31, the load end of the current protection module 31 is electrically connected with the negative pole load connector 43, the charging end of the current protection module 31 is electrically connected with the negative pole charging connector 44, and the motor 81 is respectively electrically connected with the positive and negative pole output ends of the current protection module 31; the diameter of the net rack 61 is smaller than the inner diameter of the groove frame 52, the net rack 61, the groove frame 52, the fastening wind-collecting sleeve 7 and the fan set 8 are coaxial, and the diameter of the motor 81 is smaller than the inner diameter of the fastening wind-collecting sleeve 7; the length of the battery cell 51 is not more than that of the slot frame 52, and the battery cell 51 is arranged in the middle of the slot frame 52; the length of the groove frame 52 is less than that of the inner cavity of the air box 2, and the groove frame 52 is arranged in the middle of the air box 2.

Cooling principle: air enters the filter shell 1 from the air inlet 11, is filtered for the first time by the first filter screen 13 to remove impurities in the sucked air, enters the air box 2, is blocked by the end face of the groove frame 52 and flows towards the inner wall of the air box 2, and then flows into the groove frame 52 from the groove holes 521 on the groove frame 52, and the surfaces of the battery cells 51 can be contacted with the flowing air because the groove holes 521 extend from the outer wall to the inner wall of the groove frame 52; the motor 81 drives the fan blades 82 to rotate, air draft is formed in the fastening air collecting sleeve 7, air in the net rack 61 communicated with the fastening air collecting sleeve 7 is pumped out, namely air in the inner cavity of the groove frame 52 is pumped out of the air box 2 and then is sent out of the panel 4.

The utility model discloses can start fan group 8 after the motorcycle ignition, form the flowing wind that encircles electric core 51 in bellows 2 to cooling down because of igniting and starting the electric core 51 that the high rate was discharged, prevent to lead to a series of thermal runaway problems that the diaphragm variant arouses because of the inside intensification of electric core 51.

Circuit connection: when in use, the positive electrode connector 42 is connected with the positive electrode of the igniter, and the negative electrode load connector 43 is connected with the negative electrode of the igniter; the positive electrode joint is connected with the positive electrode of the motor in one-to-two mode, and the negative electrode charging joint 44 is connected with the negative electrode of the motor.

The embodiments of the present invention have been described in detail, and the principles and embodiments of the present invention have been explained herein using specific embodiments, and the above description of the embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.

Claims

1. A motorcycle starting lithium battery comprises a filter shell (1), an air box (2), a distribution board (3), a panel (4), a battery pack (5), a wind pulling assembly (6), a fastening wind collecting sleeve (7) and a fan set (8), and is characterized in that the filter shell (1) is arranged at one end of the air box (2), the other end of the air box is hermetically connected with the distribution board (3), the other end of the distribution board (3) is hermetically connected with the panel (4), the battery pack (5) is arranged in the air box (2), the wind pulling assembly (6) is arranged in the battery pack (5), one end of the wind pulling assembly (6) penetrates through a wind pulling hole (32) in the distribution board (3) and is fixedly connected with the fastening wind collecting sleeve (7), and the fan set (8) is arranged on the fastening wind collecting sleeve (7);

the battery pack (5) includes: the battery cell structure comprises battery cells (51) and a slot frame (52), wherein the slot frame (52) is internally provided with the battery cells (51), four battery cells (51) are sequentially connected in series, and a positive pole column (511) and a negative pole column (512) are respectively and electrically connected to the end faces of the battery cells (51) arranged at the head and the tail of the battery cell structure; a frame pin (522) is arranged on the end face of the groove frame (52), a plurality of groove holes (521) are formed in the side face of the groove frame (52), a positioning groove (12) is formed in the inner face of the filter shell (1), and the frame pin (522) is matched with the positioning groove (12);

the draft assembly (6) comprises: the net rack (61) and the second filter screen (62), wherein a circle of the second filter screen (62) is arranged on the side wall of the net rack (61), and the closed end of the net rack (61) is abutted against the inner surface of the groove rack (52);

a current protection module (31) is arranged on the distribution board (3), and one end of the positive pole column (511) and one end of the negative pole column (512) penetrate through the distribution board (3);

the fan unit (8) includes: a motor (81) and a fan blade (82) connected with the rotating shaft of the motor (81).

2. A motorcycle starting lithium battery as claimed in claim 1, characterized in that: be equipped with a plurality of air intakes (11) on the side of crossing filter shell (1), the open end and first filter screen (13) fixed connection of crossing filter shell (1), be equipped with on first filter screen (13) with the through hole of frame round pin (522) looks adaptation.

3. A motorcycle starting lithium battery as claimed in claim 1, characterized in that: be equipped with a plurality of air outlets (41) on the terminal surface of panel (4), still be equipped with positive pole joint (42), negative pole load joint (43), negative pole charge joint (44) on panel (4).

4. A motorcycle starting lithium battery as claimed in claim 1, characterized in that: the positive pole (511) and the positive pole connector (42) are electrically connected, the negative pole input end electrical connection on negative pole post (512) and the current protection module (31), the load end and the negative pole load connector (43) electrical connection of current protection module (31), the end and the negative pole of charging of current protection module (31) charge joint (44) electrical connection, motor (81) respectively with the positive, negative pole output end electrical connection of current protection module (31).

5. A motorcycle starting lithium battery as claimed in claim 1, characterized in that: the diameter of the net rack (61) is smaller than the inner diameter of the groove rack (52), the net rack (61), the groove rack (52), the fastening wind-collecting sleeve (7) and the fan set (8) are coaxial, and the diameter of the motor (81) is smaller than the inner diameter of the fastening wind-collecting sleeve (7).

6. A motorcycle starting lithium battery as claimed in claim 1, characterized in that: the length of the battery cell (51) is not more than that of the slot frame (52), and the battery cell (51) is arranged in the middle of the slot frame (52); the length of the groove frame (52) is smaller than that of the inner cavity of the air box (2), and the groove frame (52) is arranged in the middle of the air box (2).