CN212366080U

CN212366080U - Lithium ion battery system for new energy low-speed vehicle

Info

Publication number: CN212366080U
Application number: CN202020856235.1U
Authority: CN
Inventors: 都伟云; 项卫胜; 施寅; 许云峰; 钱旭
Original assignee: Zhejiang Tianhong Lithium Battery Ltd By Share Ltd
Current assignee: Zhejiang Tianhong Lithium Battery Ltd By Share Ltd
Priority date: 2020-05-20
Filing date: 2020-05-20
Publication date: 2021-01-15
Anticipated expiration: 2030-05-20

Abstract

The utility model discloses a lithium ion battery system for new forms of energy low-speed vehicle, including the shell, install the lithium battery in the shell, install hoisting machine on the shell and construct, the lithium battery includes the vice battery of main battery and one-level and the vice battery of second grade, and the vice battery of main battery and one-level and the vice battery of second grade all link mutually with the battery controller that sets up in the shell, and the battery controller includes as the central processing unit who handles the core to and battery equalizer and BMS controller that link mutually with central processing unit. The utility model provides a lithium ion battery system for new forms of energy low-speed vehicle, the structure sets up ingeniously, and rationally distributed, hoists the shell that will be equipped with lithium battery through hoisting machine structure, can save traditional new forms of energy car and need set up the battery specially and place the chassis to and supporting battery fixing device, the battery position can set up higher, thereby keeps away from ground, avoids the driving rainwater to spatter and influence safety.

Description

Lithium ion battery system for new energy low-speed vehicle

Technical Field

The utility model relates to a vehicular battery equipment technical field specifically is a lithium ion battery system for new forms of energy low-speed vehicle.

Background

The new energy automobile adopts unconventional automobile fuel as a power source (or adopts conventional automobile fuel and a novel vehicle-mounted power device), integrates advanced technologies in the aspects of power control and driving of the automobile, and forms an automobile with advanced technical principle, new technology and new structure. The new energy automobile comprises four types of Hybrid Electric Vehicles (HEV), pure electric vehicles (BEV, including solar vehicles), Fuel Cell Electric Vehicles (FCEV), other new energy (such as efficient energy storage devices like super capacitors and flywheels) automobiles and the like.

In order to adapt to urban driving and some crowds with transportation use, in the existing market, besides a common new energy vehicle, a small-size low-speed vehicle is also provided, and the size, configuration, price and driving requirements of the whole vehicle of the low-speed vehicle are different from those of the common new energy vehicle, so that a storage battery system needs to be reconfigured when a storage battery of the low-speed vehicle is configured, and the whole vehicle is small in size, limited in installation space of the storage battery and incapable of providing more protection like the common new energy vehicle, so that the lithium ion storage battery system for the new energy low-speed vehicle is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lithium ion battery system for new forms of energy low-speed vehicle to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a lithium ion battery system for new forms of energy low-speed car, includes the shell, installs lithium battery in the shell, and hoisting machine constructs is installed respectively to eight apex angle positions of shell, lithium battery includes the vice battery of main battery and the vice battery of one-level and the vice battery of second grade, and the vice battery of main battery and one-level and the vice battery of second grade all link mutually with the battery controller that sets up in the shell, and battery controller includes as the central processing unit who handles the core to and battery equalizer and BMS controller that link mutually with central processing unit.

As a further aspect of the present invention: the hoisting mechanism comprises a fixing frame with a fixing hole, and a damping rod is fixed between the fixing frame and the shell through a bolt.

As a further aspect of the present invention: the shock absorption rod comprises a bottom cylinder and a sleeve column, wherein part of the sleeve column extends into the bottom cylinder, an outer cavity and an inner cavity are formed in the bottom cylinder through a partition plate in a dividing mode, the sleeve column is located in the inner cavity, the inner cavity is communicated with the outer cavity through a through hole formed in the partition plate, and non-Newtonian fluid is filled in the inner cavity.

As a further aspect of the present invention: the non-Newtonian fluid is a concentrated solution of a high molecular polymer.

As a further aspect of the present invention: in the shock-absorbing rod of shell top direction, a bottom tube carries out bolted connection with the shell, and in the shock-absorbing rod of shell below direction, a bottom tube carries out bolted connection with the mount.

As a further aspect of the present invention: the temperature sensor installed on the lithium storage battery shell and the humidity sensor installed in the shell are simultaneously electrically connected with the central processing unit, and the humidity sensor detects the internal humidity, so that whether water leakage occurs or not is detected.

As a further aspect of the present invention: acceleration sensor 22 of installation in the shell links with central processing unit looks electricity, and temperature sensor detects the battery temperature, avoids the harm that the too high condition of temperature continues to use the production.

Compared with the prior art, the utility model has the advantages of following several aspects:

the utility model discloses in, hoist and mount through the shell that hoisting machine constructs will be equipped with lithium storage battery, can save traditional new forms of energy car and need set up the battery specially and place the chassis to and supporting battery fixing device, the battery position can set up higher, thereby keeps away from ground, avoids the driving rainwater to spatter and influences safety.

The utility model discloses in, carry out the shock attenuation through non-Newton fluid in hoisting machine constructs's the shock attenuation, use spring and air shock attenuation different with the tradition, long service life, non-maintaining, small, simple to operate is simple, can be fine rock the lithium battery appearance when the driving slow down to avoid influencing the normal use of battery.

The utility model discloses in, provide electric power when coming for the starting through additionally setting up vice battery, the irreversible crystallization harm that alleviates starting fiercely to main lithium battery production that can be fine is changed small vice battery and is compared bulky main battery, and the loss is littleer.

Drawings

Fig. 1 is a schematic diagram of a lithium ion battery system for a new energy low-speed vehicle.

Fig. 2 is a schematic diagram of a structure of a damper rod in a lithium ion battery system for a new energy low speed vehicle.

Fig. 3 is a plan view of a lithium secondary battery in a lithium ion secondary battery system for a new energy low speed vehicle.

Fig. 4 is a system modular block diagram of a lithium ion battery system for a new energy low speed vehicle.

In the figure: 1. a housing; 2. a hoisting mechanism; 3. a lithium secondary battery; 4. a shock-absorbing lever; 5. a fixed mount; 6. a fixing hole; 7. a bottom cylinder; 8. an outer cavity; 9. a through hole; 10. an inner cavity; 11. a partition plate; 12. sleeving a column; 13. a main storage battery; 14. a battery controller; 15. a primary secondary battery; 16. a secondary battery; 17. a central processing unit; 18. a battery equalizer; 19. a temperature sensor; 20. a BMS controller; 21. a humidity sensor; 22. An acceleration sensor.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "a" and "an" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 4, a lithium ion battery system for a new energy low speed vehicle comprises a housing 1, a lithium battery 3 is installed in the housing 1, a hoisting mechanism 2 is installed at eight vertex angles of the housing 1, the hoisting mechanism 2 comprises a fixing frame 5 provided with a fixing hole 6, a shock absorbing rod 4 is fixed between the fixing frame 5 and the housing 1 through a bolt, the shock absorbing rod 4 comprises a bottom cylinder 7 and a sleeve column 12 partially extending into the bottom cylinder 7, the bottom cylinder 7 is divided into an outer cavity 8 and an inner cavity 10 through a partition plate 11, the sleeve column 12 is located in the inner cavity 10, the inner cavity 10 is communicated with the outer cavity 8 through a through hole 9 formed in the partition plate 11, the inner cavity 10 is filled with a non-newton fluid, the non-newton fluid is a concentrated solution of a high molecular polymer in consideration of an application environment, and self-adaptive offset is performed on a high speed impact force and a low speed impact force by using characteristics, when offsetting, the sleeve column 12 presses the non-flowing fluid to move from the inner cavity 10 to the outer cavity 8 to obtain a telescopic space, then the non-flowing fluid flows back to the inner cavity 10 by means of gravity, the bottom cylinder 7 is in bolt connection with the shell 1 in the shock absorption rod 4 in the direction above the shell 1, the bottom cylinder 7 is in bolt connection with the fixed frame 5 in the shock absorption rod 4 in the direction below the shell 1, and the situation that the backflow of the non-flowing fluid is influenced by the inversion of the through hole 9 on the partition plate 11 is avoided;

the lithium secondary battery 3 includes a main secondary battery 13, a primary secondary battery 15, and a secondary battery 16, the main secondary battery 13, the primary secondary battery 15, and the secondary battery 16 are electrically connected to a battery controller 14 provided in the case 1, the battery controller 14 includes a central processing unit 17 as a processing core, and a battery equalizer 18 and a BMS controller 20 electrically connected to the central processing unit 17, and a temperature sensor 19 installed on the case of the lithium secondary battery 3, and a humidity sensor 21 and an acceleration sensor 22 installed in the case 1 are electrically connected to the central processing unit 17 at the same time.

The utility model discloses a theory of operation is: the utility model provides a lithium ion battery system for new energy low-speed vehicles, the structure is ingenious to set up, and the layout is reasonable, use the bolt to fix the mount 5 in the internal reservation installation hole site of car from the fixed orifices 6 position during the installation, thereby hoist the shell 1 that is equipped with lithium battery, save half the new energy vehicle need set up the battery and place the dish specially, and the fastener that is used for fixing the battery, the mounted position can be higher, keep away from ground and can reduce the splash of ground water to the maximum extent, thereby protect the battery, simultaneously when the driving, shell 1 rocks, drive set post 12 at first and stretch into to the bottom tube 7, because be equipped with non-Newton's fluid in the bottom tube 7, according to the characteristic of non-Newton's fluid, when set post 12 collides on non-Newton's fluid fast, receive the separation great, when the collision of slower speed, receive the resistance then very little, thereby slow down according to the range dynamics when rocking, avoid the battery to rock the condition emergence that too big leads to inside electrolyte to rock and acutely influence normal use, lithium accumulator 3 has divided main battery 13 and first secondary battery 15 and second grade secondary battery 16 simultaneously, when carrying out vehicle start, the electric quantity that at first uses secondary battery is controlled by battery controller 14, then truns into main battery's electric quantity, can avoid the starting to fiercely accelerate the irreversible crystallization harm that produces main lithium accumulator, change small secondary battery and compare bulky main battery, the loss is littleer.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The utility model provides a lithium ion battery system for new forms of energy low-speed car, includes shell (1), its characterized in that, installs lithium battery (3) in shell (1), and hoist and mount mechanism (2) are installed respectively to eight apex angle positions of shell (1), lithium battery (3) are including main battery (13) and one-level auxiliary battery (15) and second grade auxiliary battery (16), and main battery (13) and one-level auxiliary battery (15) and second grade auxiliary battery (16) all link mutually with battery controller (14) that set up in shell (1), and battery controller (14) are including central processing unit (17) as handling the core to and battery equalizer (18) and BMS controller (20) that link mutually with central processing unit (17).

2. The lithium ion battery system for the new energy low-speed vehicle as claimed in claim 1, wherein the hoisting mechanism (2) comprises a fixing frame (5) with a fixing hole (6), and a shock-absorbing rod (4) is fixed between the fixing frame (5) and the housing (1) through a bolt.

3. The lithium ion battery system for the new energy low-speed vehicle according to claim 2, wherein the shock absorption rod (4) comprises a bottom cylinder (7) and a sleeve column (12) partially extending into the bottom cylinder (7), an outer cavity (8) and an inner cavity (10) are partitioned in the bottom cylinder (7) through a partition plate (11), the sleeve column (12) is located in the inner cavity (10), the inner cavity (10) is communicated with the outer cavity (8) through a through hole (9) formed in the partition plate (11), and the inner cavity (10) is filled with non-Newtonian fluid.

4. The lithium ion battery system for the new energy low speed vehicle according to claim 3, wherein the non-Newtonian fluid is a concentrated solution of a high molecular polymer.

5. The lithium ion battery system for the new energy low-speed vehicle according to claim 3, wherein a bottom cylinder (7) is bolted to the housing (1) in the shock-absorbing rod (4) in the direction above the housing (1), and the bottom cylinder (7) is bolted to the fixing frame (5) in the shock-absorbing rod (4) in the direction below the housing (1).

6. The lithium ion battery system for the new energy low-speed vehicle as claimed in any one of claims 1 to 5, wherein a temperature sensor (19) mounted on the housing of the lithium battery (3) and a humidity sensor (21) mounted in the housing (1) are electrically connected to the central processing unit (17) at the same time.

7. The lithium ion battery system for new energy source low speed vehicle according to claim 6, characterized in that the acceleration sensor (22) installed in the housing (1) is electrically connected with the central processing unit (17).