CN111799416A

CN111799416A - Split lithium battery of electric vehicle

Info

Publication number: CN111799416A
Application number: CN202010674991.7A
Authority: CN
Inventors: 刘鹏; 刘斌毅
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-14
Filing date: 2020-07-14
Publication date: 2020-10-20

Abstract

The invention belongs to the technical field of electric vehicles, and particularly relates to a split lithium battery for an electric vehicle, which comprises: battery main part, shock mount, bar limiting plate, battery box, controller and heat dissipation fan, battery main part includes spacing card strip, radiating fin, spacing post, terminal and digital display thermometer, the battery main part bottom sets up the shock mount, and is a plurality of through bar limiting plate connection between the battery main part, a plurality of spacing card holes have been seted up on the bar limiting plate, it is a plurality of battery main part places in battery box inner chamber bottom, can improve the connection stability between the battery, increases shock-absorbing function, avoids going to produce at the highway section of jolting and rocks the damage battery, can detect battery operating temperature, when battery temperature is higher, sends the warning through bee calling organ, opens the heat dissipation fan simultaneously, and help battery heat dissipation avoids the too high emergence of battery temperature to damage, improves battery life.

Description

Split lithium battery of electric vehicle

Technical Field

The invention relates to the technical field of electric vehicles, in particular to a split lithium battery of an electric vehicle.

Background

The lithium ion battery is a new type of high-energy storage battery that was first introduced to the market by sony corporation of japan in 1990. Its advantages are high specific energy and high storage power. Have already gained popularization and application in portable information products.

Lithium ion batteries are generally recognized as having the following advantages: the specific energy is large; the specific power is high; the self-discharge is small; no memory effect; the cycle characteristic is good; the discharge can be rapidly realized, and the efficiency is high; the working temperature range is wide; no environmental pollution, etc., and is expected to enter the best power supply line in the 21 st century. It is expected that the market share of MH/Ni batteries will shrink as lithium ion batteries evolve further during 2006-2012. The market share of lithium ions will expand. Electric bicycle products using lithium ion batteries have been sold.

Under the promotion of the development of novel cheap cathode materials with good safety, good cycle performance and high specific capacity, the lithium ion storage battery for the electric bicycle is close to practical use. There are several lithium ion batteries for electric bicycles that have been provided to be more sophisticated and equipped with a Battery Management System (BMS). There are also electric bicycle manufacturers that are specialized in the production of lithium ion batteries. The lithium ion battery for electric bicycles is considered by the practioner to be the power battery which is firstly commercialized and used on the vehicle in large quantity; the battery is a practical battery with a larger occupied ratio after a lead storage battery and also can be used as a battery for high-end electric bicycle products. There have been many reports on the trial and demonstration of large lithium ion batteries on pure electric cars and electric buses and on hybrid electric vehicles. According to the development level and experience of lithium ion storage batteries, the safety of the battery pack below 48V10Ah for the electric bicycle is guaranteed, but the large lithium ion storage battery needs to do a lot of hard work when being used on commercial electric vehicles, and the reasons are mainly that the number of batteries used on pure electric cars and electric buses and hybrid electric vehicles is large, the system is complex, the safety difficulty is higher, the requirements on reliability and consistency are higher, the price is higher, and the like.

Connection stability is relatively poor between the battery of present electric motor car lithium cell, takes place to rock easily in the storage battery car motion process, goes to produce and rocks the damage battery in the highway section of jolting, can't detect battery operating temperature, when battery temperature is higher, can not in time remind the user, can not help the battery heat dissipation, and battery temperature takes place to damage, influences battery life.

Disclosure of Invention

This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.

The present invention has been made in view of the above and/or other problems occurring in the conventional lithium battery for electric vehicles.

Therefore, the invention aims to provide a split electric vehicle lithium battery, which can improve the connection stability between batteries, increase the damping function, avoid the damage of the batteries due to shaking caused by driving on a bumpy road section, detect the working temperature of the batteries, send an alarm through a buzzer when the temperature of the batteries is higher, and simultaneously open a heat dissipation fan to help the heat dissipation of the batteries, avoid the damage of the batteries due to overhigh temperature and prolong the service life of the batteries.

To solve the above technical problem, according to an aspect of the present invention, the present invention provides the following technical solutions:

a split electric vehicle lithium battery, comprising: battery body, shock mount, bar limiting plate, battery box, controller and heat dissipation fan, battery body includes spacing card strip, radiating fin, spacing post, terminal and digital display thermometer, the battery body bottom sets up the shock mount, and is a plurality of through bar limiting plate connection between the battery body, a plurality of spacing card holes have been seted up on the bar limiting plate, it is a plurality of battery body places in battery box inner chamber bottom, the battery box includes blotter, baffle, wiring hole and apron, the inside controller that sets up of battery box, controller electric connection digital display thermometer and bee calling organ, battery box left and right sides wall top all sets up the heat dissipation fan.

As a preferable scheme of the lithium battery of the split electric vehicle of the present invention, wherein: the spacing card strip is at the mutual cooperation distribution of lateral wall around battery main part, radiating fin evenly distributed is in the battery main part left and right sides, spacing post sets up in battery main part left and right sides wall central point and puts, the battery main part top left and right sides sets up the terminal, battery main part top central point sets up digital display thermometer.

As a preferable scheme of the lithium battery of the split electric vehicle of the present invention, wherein: the shock absorption seat is characterized in that a rubber pad is arranged at the bottom of the shock absorption seat, and anti-skid grains are arranged at the bottom of the rubber pad.

As a preferable scheme of the lithium battery of the split electric vehicle of the present invention, wherein: spacing calorie of hole and spacing post of bar limiting plate mutually support, it is fixed to accomplish with the buckle of spacing post through the spacing calorie of hole of bar limiting plate between a plurality of battery main parts.

As a preferable scheme of the lithium battery of the split electric vehicle of the present invention, wherein: the battery box inner chamber left and right sides wall all sets up the blotter, battery box inner chamber top sets up the baffle, the wiring hole is all seted up to the baffle left and right sides, battery box top installation apron.

As a preferable scheme of the lithium battery of the split electric vehicle of the present invention, wherein: the controller and the buzzer are both arranged in the center of the top of the partition plate.

As a preferable scheme of the lithium battery of the split electric vehicle of the present invention, wherein: the inner sides of the heat dissipation fans are provided with dustproof gauze screens, and the bottom of the cover plate is provided with an ultraviolet germicidal lamp.

As a preferable scheme of the lithium battery of the split electric vehicle of the present invention, wherein: the battery box outer wall is provided with evenly distributed's draught hole, all be provided with the dust screen in the draught hole.

Compared with the prior art: the adjacent two battery main bodies are installed in a matched mode through the limiting clamping strips, the adjacent two battery main bodies are limited mutually, the shaking of the battery main bodies is reduced, the connection stability is improved, the battery main bodies are protected in a shock absorption mode through the shock absorption seat, the battery main bodies are connected through the strip-shaped limiting plates, the length of the strip-shaped limiting plates and the using number of the limiting clamping holes can be adjusted according to the number of the battery main bodies, the battery main bodies in the battery box are protected in a buffering mode through the buffering pads, the digital display thermometer is used for detecting and displaying the working temperature of the battery main bodies and transmitting the detected data to the controller for analysis and processing, the controller receives the temperature data of the digital display thermometer, when the temperature is too high, the controller controls the buzzer to give an alarm to remind a user, and the heat dissipation fan is started to dissipate the heat of the battery main bodies after, increase shock-absorbing function, avoid going to produce at the highway section of jolting and rock the damage battery, can detect battery operating temperature, when battery temperature is higher, send the warning through bee calling organ, open the heat dissipation fan simultaneously, help battery heat dissipation avoids the too high emergence of battery temperature to damage, improves battery life, when the electric current is too big, carries out the low power outage through the controller, carries out heavy current discharge protection, balanced current-voltage when the electric current is too big.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail with reference to the accompanying drawings and detailed embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise. Wherein:

FIG. 1 is a schematic view of the internal structure of a battery case according to the present invention;

FIG. 2 is a schematic view of the external structure of the battery case according to the present invention;

FIG. 3 is a schematic front view of a battery body according to the present invention;

FIG. 4 is a schematic top view of a battery body according to the present invention;

FIG. 5 is a schematic diagram of a battery main body assembly structure according to the present invention;

FIG. 6 is a schematic view of the shock mount of the present invention.

In the figure: 100 battery bodies, 110 limit clamping strips, 120 heat dissipation fins, 130 limit columns, 140 binding posts, 150 digital display thermometers, 200 shock absorbers, 300 strip-shaped limit plates, 310 limit clamping holes, 400 battery boxes, 410 buffer pads, 420 partition plates, 421 wiring holes, 430 cover plates, 500 controllers, 510 buzzers and 600 heat dissipation fans.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described herein, and it will be apparent to those of ordinary skill in the art that the present invention may be practiced without departing from the spirit and scope of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Next, the present invention will be described in detail with reference to the drawings, wherein for convenience of illustration, the cross-sectional view of the device structure is not enlarged partially according to the general scale, and the drawings are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.

In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

The invention provides a split lithium battery for an electric vehicle, which can improve the connection stability between batteries, increase the damping function, avoid the battery from shaking and damaging when the electric vehicle runs on a bumpy road section, detect the working temperature of the battery, send out an alarm through a buzzer when the temperature of the battery is higher, and simultaneously open a heat dissipation fan to help the heat dissipation of the battery, avoid the damage caused by overhigh temperature of the battery and prolong the service life of the battery, and the split lithium battery for the electric vehicle comprises the following components: the battery pack comprises a battery body 100, a damper 200, a strip-shaped limit plate 300, a battery box 400, a controller 500 and a heat dissipation fan 600;

referring to fig. 1, 2, 3, 4 and 5 again, the battery main body 100 includes a limiting strip 110, a heat dissipating fin 120, a limiting post 130, a terminal 140 and a digital thermometer 150, specifically, the limiting strip 110 is disposed at the front and rear side walls of the battery main body 100, the heat dissipating fin 120 is uniformly disposed at the left and right sides of the battery main body 100, the limiting post 130 is disposed at the central position of the left and right side walls of the battery main body 100, the terminal 140 is disposed at the left and right sides of the top of the battery main body 100, the digital thermometer 150 is disposed at the central position of the top of the battery main body 100, two adjacent battery main bodies 100 are mounted by the limiting strip 110, so that the two adjacent battery main bodies 100 are limited with each other, the shaking of the battery main bodies 100 is reduced, the connection stability is improved, the battery main bodies 100 are naturally dissipated by the heat dissipating fin 120, the damage of the battery main bodies 100 due to, the limiting columns 130 of the six battery main bodies 100 are clamped inside the limiting clamping holes 310, the side edges of the six battery main bodies 100 are fixed through the strip-shaped limiting plates 300, the installation stability among the six battery main bodies 100 is kept, the binding posts 140 are used for connecting conducting wires, the battery main bodies 100 are connected in series, the digital display thermometer 150 is used for detecting and displaying the working temperature of the battery main bodies 100, and the detected data are transmitted to the controller 500 for analysis processing.

Referring to fig. 1, 3 and 6 again, the shock absorbing base 200 is installed at the left and right sides of the bottom of the battery main body 100, the shock absorbing base 200 is connected by an upper sleeve and a lower sleeve which are nested with each other, and a buffer spring is connected between the sleeves to provide buffering through the buffer spring so as to perform shock absorption protection on the battery main body 100.

Referring to fig. 1 again, the bar-shaped limiting plate 300 includes limiting clamping holes 310, and specifically, the bar-shaped limiting plate 300 is mounted on the limiting posts 130 on the side of the battery body 100 through the limiting clamping holes 310, and the six battery bodies 100 are connected through the bar-shaped limiting plate 300, so that the length of the bar-shaped limiting plate 300 and the number of the limiting clamping holes 310 can be adjusted according to the number of the battery bodies 100.

Referring to fig. 1 and 2 again, the battery box 400 includes a cushion 410, a partition 420, a connection hole 421 and a cover plate 430, specifically, the battery box 400 is used for installing the battery main body 100, the cushion 410 is adhered to both left and right side walls of an inner cavity of the battery box 400, the partition 420 is installed at the top of the inner cavity of the battery box 400, the connection hole 421 is opened on both left and right sides of the partition 420, the cover plate 430 is installed at the top of the battery box 400, the cushion 410 is used for buffering and protecting the battery main body 100 inside the battery box 400, the controller 500 is installed at the top of the partition 420, the connection of the lead of the battery main body 100 is performed through the connection hole 421, and the cover plate 430 seals.

Referring to fig. 1 again, the controller 500 includes a buzzer 510, specifically, the controller 500 and the buzzer 510 are installed at the top of the partition plate 420, the controller 500 receives temperature data of the digital display thermometer 150, when the temperature is too high, the controller 500 controls the buzzer 510 to alarm to remind a user, and after the buzzer 510 alarms, the heat dissipation fan 600 is turned on to dissipate heat of the battery main body 100, a current detection module is provided inside the controller 500, when the current is too high, the controller is powered off at low power, and when the current is too high, large current discharge protection is performed to equalize the current and voltage.

Referring to fig. 1 again, the heat dissipation fan 600 is installed on the top of the left and right sidewalls of the battery box 400, and the heat dissipation fan 600 dissipates heat from the battery main body 100 inside the battery box 400.

When the battery box is used specifically, the battery box 400 is used for installing the battery main bodies 100, two adjacent battery main bodies 100 are installed in a matched mode through the limiting clamping strips 110, the two adjacent battery main bodies 100 are limited mutually, the shaking of the battery main bodies 100 is reduced, the connection stability is improved, the shock absorption seat 200 is used for carrying out shock absorption protection on the battery main bodies 100, the battery main bodies 100 are connected through the strip-shaped limiting plates 300, the length of the strip-shaped limiting plates 300 and the using number of the limiting clamping holes 310 can be adjusted according to the number of the battery main bodies 100, the battery main bodies 100 in the battery box 400 are buffered and protected through the buffer cushions 410, the digital display thermometer 150 is used for detecting and displaying the working temperature of the battery main bodies 100 and transmitting the detected data to the controller 500 for analysis and processing, the controller 500 receives the temperature data of the digital display thermometer 150, and when the temperature is too high, the, reminding the user, and opening heat dissipation fan 600 after buzzer 510 reports to the police and dispel the heat to battery body 100, when the electric current is too big, carry out the low power outage through the controller, carry out heavy current discharge protection, balanced current-voltage when the electric current is too big.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the various features of the disclosed embodiments of the invention may be used in any combination, provided that no structural conflict exists, and the combinations are not exhaustively described in this specification merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. A split electric vehicle lithium battery, comprising: the battery box comprises a battery main body (100), a shock absorption seat (200), a bar-shaped limiting plate (300), a battery box (400), a controller (500) and a heat dissipation fan (600), wherein the battery main body (100) comprises a limiting clamping strip (110), a heat dissipation fin (120), a limiting column (130), a binding post (140) and a digital display thermometer (150), the shock absorption seat (200) is arranged at the bottom of the battery main body (100), the battery main bodies (100) are connected through the bar-shaped limiting plate (300), a plurality of limiting clamping holes (310) are formed in the bar-shaped limiting plate (300), the battery main bodies (100) are placed at the bottom of an inner cavity of the battery box (400), the battery box (400) comprises a cushion (410), a partition plate (420), a wiring hole (421) and a cover plate (430), the controller (500) is arranged inside the battery box (400), and the controller (500) is electrically connected with the digital display thermometer (150) and a buzzer (, the top of the left side wall and the top of the right side wall of the battery box (400) are both provided with heat dissipation fans (600).

2. The lithium battery of the split electric vehicle as claimed in claim 1, wherein the limiting clamping strips (110) are mutually matched and distributed on the front and rear side walls of the battery body (100), the heat dissipation fins (120) are uniformly distributed on the left and right sides of the battery body (100), the limiting columns (130) are arranged at the central positions of the left and right side walls of the battery body (100), the left and right sides of the top of the battery body (100) are provided with the binding posts (140), and the central position of the top of the battery body (100) is provided with the digital display thermometer (150).

3. The lithium battery for the split electric vehicle as claimed in claim 1, wherein the bottom of the shock absorption seat (200) is provided with a rubber pad, and the bottom of the rubber pad is provided with anti-skid lines.

4. The lithium battery for the split electric vehicle as claimed in claim 1, wherein the limiting clamping holes (310) of the strip-shaped limiting plate (300) are matched with the limiting posts (130), and the plurality of battery bodies (100) are connected and fixed through the clamping of the limiting clamping holes (310) of the strip-shaped limiting plate (300) and the limiting posts (130).

5. The lithium battery for the split electric vehicle as claimed in claim 1, wherein the left and right side walls of the inner cavity of the battery box (400) are provided with buffer pads (410), the top of the inner cavity of the battery box (400) is provided with a partition plate (420), the left and right sides of the partition plate (420) are provided with wiring holes (421), and the top of the battery box (400) is provided with a cover plate (430).

6. The lithium battery for a split electric vehicle as claimed in claim 1, wherein the controller (500) and the buzzer (510) are both disposed at the top center of the separator (420).

7. The lithium battery for the split electric vehicle as claimed in claim 1, wherein the inner sides of the heat dissipation fans (600) are provided with dustproof gauze screens, and the bottom of the cover plate (430) is provided with an ultraviolet germicidal lamp.

8. The lithium battery for split electric vehicles as claimed in claim 1, wherein the outer wall of the battery box (400) is provided with uniformly distributed ventilation holes, and the ventilation holes are all provided with dust screens.