CN114069132A - Battery pack with protection effect - Google Patents

Battery pack with protection effect Download PDF

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Publication number
CN114069132A
CN114069132A CN202111159135.9A CN202111159135A CN114069132A CN 114069132 A CN114069132 A CN 114069132A CN 202111159135 A CN202111159135 A CN 202111159135A CN 114069132 A CN114069132 A CN 114069132A
Authority
CN
China
Prior art keywords
box body
battery pack
end plate
groups
cover body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111159135.9A
Other languages
Chinese (zh)
Inventor
潘炳涛
周友兵
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Woboyuan Technology Co ltd
Original Assignee
Anhui Woboyuan Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Anhui Woboyuan Technology Co ltd filed Critical Anhui Woboyuan Technology Co ltd
Priority to CN202111159135.9A priority Critical patent/CN114069132A/en
Publication of CN114069132A publication Critical patent/CN114069132A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
    • H01M50/242—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries against vibrations, collision impact or swelling
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/61—Types of temperature control
    • H01M10/613—Cooling or keeping cold
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/625—Vehicles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/64—Heating or cooling; Temperature control characterised by the shape of the cells
    • H01M10/643—Cylindrical cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
    • H01M10/6557—Solid parts with flow channel passages or pipes for heat exchange arranged between the cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6561—Gases
    • H01M10/6563—Gases with forced flow, e.g. by blowers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
    • H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
    • H01M50/213—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for cells having curved cross-section, e.g. round or elliptic
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/244—Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/249—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

The invention provides a battery pack with a protection effect, which comprises a lower end plate, an upper end plate, single batteries, a box body and a cover body, wherein a plurality of rectangular aligned single batteries are arranged between the lower end plate and the upper end plate to form the battery pack; the cover body is buckled at the opening of the box body, the bottom of the cover body is provided with a plurality of groups of step notches communicated with the inner cavity of the cover body, the plurality of groups of step notches are in clamping connection with the upper ports of the plurality of groups of heat absorption guide pipes, and the top of the cover body is provided with an air inlet pipe communicated with the inner cavity of the cover body; the lower end surface of the box body is also provided with a damping device. The invention can cool and absorb shock to the battery pack, ensure the safety of the battery pack in the using process and well protect the lithium battery.

Description

Battery pack with protection effect
Technical Field
The invention belongs to the technical field of batteries, and particularly relates to a battery pack with a protection effect.
Background
The existing battery pack combination mode, especially the battery pack adopting the cylindrical single battery, has the structural form that: adopt insulating material such as plastics such as polypropylene as the end plate, two end plates with a plurality of battery centre gripping, thereby parts such as rethread pull rod are taut with the end plate obtain stable in structure's group battery, then are equipped with the casing of parcel in the group battery outside, improve the waterproof nature of lithium cell group battery.
The problems with such encapsulated structures are: in the use of removing the benefit trolley-bus, often can use under the higher environment of outdoor temperature, at this moment, the group battery on the car can make inside laminate polymer battery group take place the inflation because long-time use and ageing reason, at this moment, leads to the battery outer wall to break easily to cause the electrolyte in the battery package to flow out, so, have certain potential safety hazard. In addition, remove the outdoor removal in-process of benefit trolley-bus, the shock attenuation effect is poor, protection lithium cell that can not be fine.
Disclosure of Invention
Aiming at the problems, the invention provides a battery pack with a protection effect, which comprises a lower end plate, an upper end plate, single batteries, a box body and a cover body, wherein a plurality of rectangular single batteries are arranged between the lower end plate and the upper end plate to form the battery pack;
the cover body is buckled at the opening of the box body, the cover body is of a box body type structure, the bottom of the cover body is provided with a plurality of groups of step notches communicated with the inner cavity of the cover body, the plurality of groups of step notches are in clamping connection with the upper ports of the plurality of groups of heat absorption guide pipes, and the top of the cover body is provided with an air inlet pipe communicated with the inner cavity of the cover body;
the lower end surface of the box body is also provided with a damping device.
Furthermore, two groups of vertical plates are connected with the two axial ends of the oval column, and when airflow passes through the two groups of vertical plates, pressure difference is generated between the airflow passing through the surface of the upper half oval column body of the oval column and the airflow passing through the lower end face of the box body.
Furthermore, two sets of risers are parallel to each other or set up terminal surface under the box body and set up terminal surface under the box body in the splayed, and two sets of risers keep having the air current to pass through between the two when removing the outdoor removal of benefit trolley.
Further, damping device includes the bottom plate, be connected with the multiunit telescopic link under bottom plate and the box body between the terminal surface, the bottom plate up end level is equipped with the guide arm of two sets of symmetries, the direction of guide arm is perpendicular with the bearing of oval post, all slides on two sets of guide arms and is equipped with two sets of direction sliders of symmetry, and the upper end of direction slider all is equipped with the mixed wheel subassembly with the lower half oval cylinder surface rolling contact of oval post, is equipped with the first damping spring of cover on the guide arm body of cover between the adjacent surface of two sets of direction sliders on the guide arm, all is equipped with the second damping spring of cover on its body between the axial both ends of guide arm and the adjacent direction slider.
Furthermore, the bottom plate is also provided with a screw hole for connecting with the body of the movable electricity supplementing vehicle.
Furthermore, the top end of the air inlet pipe is in a semicircular bent pipe shape.
Furthermore, a sealing ring matched with the upper port of the heat absorption conduit is arranged at the notch of the step.
Further, the draw-in groove with the joint of battery cell tip is all seted up to the adjacent side of lower end plate and upper end plate, and four apex angle departments of lower end plate all are equipped with the pull rod that runs through four apex angle departments of upper end plate perpendicularly, the top of pull rod is equipped with threaded connection and has locking screw.
Furthermore, protruding sliding blocks are arranged on the side edges of the lower end plate and the upper end plate, and vertical sliding grooves which are connected with the protruding sliding blocks in a sliding mode are vertically formed in the side wall of the inner cavity of the box body.
Furthermore, the box body is connected with the cover body in a locking mode through bolts, and a sealing gasket is arranged between the surfaces, attached to the cover body, of the box body.
The battery pack with the protection effect can absorb heat generated by the single battery when the mobile electricity supplementing vehicle is used, so that the single battery is cooled, the safety of the single battery in the use process is ensured, and in addition, the lithium battery can be well protected through the damping device.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 shows a perspective view of the structure according to the present invention.
Fig. 2 shows an exploded view of a structure according to the invention.
Fig. 3 shows a front view according to the invention.
Fig. 4 shows a cross-sectional view a in fig. 3 according to the present invention.
Figure 5 shows a cassette according to the invention in front section.
Figure 6 shows a top view of a cassette according to the invention.
Fig. 7 shows a structure of a battery pack according to the present invention.
Figure 8 shows a top view of a lower endplate according to the invention.
Figure 9 shows a bottom view of the upper end plate according to the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a battery pack with a protection effect, which aims at the problems and is provided with reference to figures 1-9, and comprises a lower end plate 1, an upper end plate 2 and single batteries 3, a box body 4 and a cover body 5, wherein a plurality of rectangular single batteries 3 are arranged between the lower end plate 1 and the upper end plate 2 to form the battery pack, the battery pack is arranged in an inner cavity of the box body 4, a plurality of groups of heat absorption guide pipes 6 which vertically penetrate through the lower end plate 1 and the upper end plate 2 and are respectively contacted with the cylindrical outer walls of the four adjacent single batteries 3 are arranged in the inner cavity of the box body 4, the lower end ports of the plurality of groups of heat absorption guide pipes 6 penetrate through the bottom of the box body 4, the lower end face of the box body 4 is horizontally provided with an oval column 8 which is positioned right below the lower end ports of the plurality of heat absorption guide pipes 6 through two groups of vertical plates 7, the two groups of vertical plates 7 are mutually parallel or arranged on the lower end face of the box body 4 in a splayed manner and are arranged on the lower end face of the box body 4, if the shape of the Chinese character 'ba' is the Chinese character 'ba', air flow can enter between the two upright plates, the two upright plates 7 can keep air flow passing between the two upright plates when the mobile electricity supplementing vehicle moves outdoors, and the two upright plates 7 are connected with the two axial ends of the oval column 8, so that the air flow can pass through the two upright plates 7 along with the movement of the mobile electricity supplementing vehicle, and according to the principle that the air flow velocity is higher and the pressure is lower, the air flow velocity passing through the surface of the upper oval column body of the oval column 8 is higher than the air flow velocity passing through the lower end face of the box body 4 in unit time, so that pressure difference is generated between the air flow passing through the surface of the upper oval column body of the oval column 8 and the air flow passing through the lower end face of the box body 4;
the cover body 5 is buckled at the opening of the box body 1, the box body 4 is locked and connected with the cover body 5 through a bolt 25, a sealing gasket (not shown in the figure) is arranged between the surfaces of the box body 4 and the cover body 5 which are jointed, the cover body 5 is of a box body type structure, the bottom of the cover body 5 is provided with a plurality of groups of step notches 9 communicated with the inner cavity of the cover body, the plurality of groups of step notches 9 are in clamping connection with the upper ports of a plurality of groups of heat absorption guide pipes 6, the step notches 9 are provided with sealing rings 18 matched with the upper ports of the heat absorption guide pipes 6 for use, the top of the cover body 5 is provided with an air inlet pipe 10 communicated with the inner cavity of the cover body, the top end of the air inlet pipe 10 is in a semicircular bent pipe shape, and the air inlet pipe 10 is designed to prevent rainwater from entering the pipeline in rainy days;
with continuing reference to fig. 1, a shock-absorbing device is further erected on the lower end face of the box body 4, the shock-absorbing device comprises a bottom plate 11, a plurality of groups of telescopic rods 12 are connected between the bottom plate 11 and the lower end face of the box body 4, the telescopic rods 12 are used for limiting the box body 4 in the vibration direction and preventing excessive stroke when the box body 4 moves upwards due to vibration, two groups of symmetrical guide rods 13 are horizontally arranged on the upper end face of the bottom plate 11, the guide of the guide rods 13 is perpendicular to the bearing of the elliptical column 8, two groups of symmetrical guide sliders 14 are arranged on the two groups of guide rods 13 in a sliding manner, a mixed wheel assembly 15 in rolling contact with the surface of the lower semi-elliptical column of the elliptical column 8 is arranged at the upper end of each guide slider 14, a first shock-absorbing spring 16 sleeved on the body of each guide rod 13 is arranged between the adjacent surfaces of the two groups of guide sliders 14 on each guide rod 13, a second shock-absorbing spring 17 sleeved on the body is arranged between the two axial ends of each guide rod 13 and the adjacent guide sliders 14, the bottom plate 11 is also provided with a screw hole for connecting with the body of the movable electricity supplementing vehicle.
Continuing to refer to fig. 5-9, in this embodiment, the adjacent sides of the lower end plate 1 and the upper end plate 2 are all provided with a clamping groove 19 clamped with the end of the single battery 3, and four vertex angles of the lower end plate 1 are all provided with a pull rod 20 vertically penetrating through the four vertex angles of the upper end plate, the top end of the pull rod 20 is provided with a locking screw 21, the lateral sides of the lower end plate 1 and the upper end plate 2 are all provided with a protruding slider 22, the side wall of the inner cavity of the box body 1 is vertically provided with a vertical chute 23 slidably connected with the protruding slider 22, and the lower end plate 1 and the upper end plate 2 are further provided with a through hole 24 corresponding to the heat absorption conduit 6.
The invention has the following cooling principle:
according to the principle that the air flow velocity is larger at the upper half elliptical column surface of the elliptical column 8 and smaller at the lower end surface of the box body 4, the pressure difference is generated between the air flow passing through the upper half elliptical column surface of the elliptical column 8 and the air flow passing through the lower end surface of the box body 4 in unit time, the lower port of the heat absorption conduit 6 penetrates through the bottom of the box body 4, and the pipe port is located on the lower end surface of the box body 4, so that the air in the heat absorption conduit 6 is discharged from the lower port through the pressure difference, and the air can take away the heat adsorbed on the single battery 3 on the heat absorption conduit 6 in the discharging process, so that the temperature reduction of the single battery 3 can be realized.
The damping principle of the damping device of the invention is as follows:
the invention is along with the movement of the mobile electricity-compensating vehicle, the vehicle body is difficult to meet the shake, therefore the box body 4 equipped with the battery pack will also shake, when the box body 4 shakes, the downward impact force will be generated to the vehicle body along the guiding of the telescopic rod 12, when the box body 4 shakes downward to generate the impact force, the mixing wheel component 15 at the upper end of the two groups of guiding slide blocks 14 on the guiding rod 13 will slide to the two ends of the guiding rod 13 along the curved surface formed on the surface of the lower semi-elliptical cylinder of the elliptical cylinder 8, so that the two groups of guiding slide blocks 14 on the guiding rod 13 will slide to the two axial ends thereof, and the first damping spring 16 will be compressed in the process that the guiding slide block 14 moves to the axial end of the guiding rod 13, which can play the role of unloading the downward impact force to the box body 4, then after the unloading, the guiding slide block 14 will drive the mixing wheel component 15 to slide to the middle part of the guiding rod 13 and realize the reset due to the resilience of the first damping spring 16, the mixing wheel assembly 15 keeps rolling along the curved surface formed by the lower semi-elliptic cylinder surface of the elliptic cylinder 8 during the resetting process, the height of the box body 4 is also reset, and the impact force generated when the two groups of guide sliders 14 on the guide rod 13 are reset inwards is relieved through the second damping spring 17. The impact force of the box body 4 to the vehicle body is applied many times during the shock absorption process, and the above description describes only one process.
It is to be understood that the terms "upwardly," "downwardly," "leftward," "rightward," "vertical," "inwardly," and the like are used herein for purposes of description only. Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (10)

1. The battery pack with the protection effect is characterized by comprising a lower end plate (1), an upper end plate (2), single batteries (3), a box body (4) and a cover body (5), wherein a plurality of rectangular single batteries (3) are arranged between the lower end plate (1) and the upper end plate (2) to form the battery pack, the battery pack is arranged in an inner cavity of the box body (4), a plurality of groups of heat absorption guide pipes (6) vertically penetrate through the lower end plate (1) and the upper end plate (2) and are respectively contacted with the cylindrical outer walls of the four adjacent single batteries (3), lower ports of the plurality of groups of heat absorption guide pipes (6) penetrate through the bottom of the box body (4), and an oval column (8) positioned right below the lower ports of the plurality of groups of heat absorption guide pipes (6) is horizontally erected on the lower end face of the box body (4) through two groups of vertical plates (7);
the cover body (5) is buckled at the opening of the box body (1), the cover body (5) is of a box body type structure, the bottom of the cover body (5) is provided with a plurality of groups of step notches (9) communicated with the inner cavity of the cover body, the plurality of groups of step notches (9) are engaged with the upper ports of a plurality of groups of heat absorption guide pipes (6), and the top of the cover body (5) is provided with an air inlet pipe (10) communicated with the inner cavity of the cover body;
the lower end surface of the box body (4) is also provided with a damping device.
2. The battery pack with the protection effect according to claim 1, wherein two sets of vertical plates (7) are connected to two axial ends of the oval column (8), and when airflow passes between the two sets of vertical plates (7), a pressure difference is generated between the airflow passing through the surface of the upper half oval column of the oval column (8) and the airflow passing through the lower end face of the box body (4).
3. The battery pack with the protection effect according to claim 1 or 2, wherein the two sets of vertical plates (7) are arranged in parallel or in a splayed manner on the lower end face of the box body (4) and are arranged on the lower end face of the box body (4), and the two sets of vertical plates (7) keep air flow between the two sets of vertical plates when the mobile electricity supplementing vehicle moves outdoors.
4. The battery pack having a protective effect according to claim 1, the damping device comprises a bottom plate (11), a plurality of groups of telescopic rods (12) are connected between the bottom plate (11) and the lower end surface of the box body (4), two groups of symmetrical guide rods (13) are horizontally arranged on the upper end surface of the bottom plate (11), the direction of guide arm (13) is perpendicular with the bearing of oval post (8), all slide on two sets of guide arm (13) and be equipped with two sets of direction slider (14) of symmetry, the upper end of direction slider (14) all is equipped with mixes wheel subassembly (15) with the lower half oval cylinder surface rolling contact of oval post (8), be equipped with between the adjacent face of two sets of direction slider (14) on guide arm (13) and establish first damping spring (16) on guide arm (13) body, all be equipped with between the axial both ends of guide arm (13) and adjacent direction slider (14) and establish second damping spring (17) on its body.
5. A battery pack with a protective effect according to claim 4, characterized in that the base plate (11) is further provided with screw holes for connecting with the body of the mobile electricity-compensating vehicle.
6. A battery pack with a protective effect according to claim 1, wherein the top end of the air inlet tube (10) is in the shape of a semicircular bent tube.
7. A battery pack with a shielding effect according to claim 1, wherein a sealing ring (18) is provided at the stepped notch (9) for cooperating with the upper port of the heat absorbing pipe (6).
8. The battery pack with the protection effect according to claim 1, wherein the adjacent sides of the lower end plate (1) and the upper end plate (2) are respectively provided with a clamping groove (19) which is clamped with the end of the single battery (3), four top corners of the lower end plate (1) are respectively provided with a pull rod (20) which vertically penetrates through the four top corners of the upper end plate, and the top end of each pull rod (20) is provided with a locking screw (21) in threaded connection.
9. The battery pack with the protection effect as claimed in claim 1, wherein the sides of the lower end plate (1) and the upper end plate (2) are respectively provided with a protruding sliding block (22), and the side wall of the inner cavity of the box body (1) is vertically provided with a vertical sliding groove (23) slidably connected with the protruding sliding block (22).
10. The battery pack with the protection effect as claimed in claim 1, wherein the box body (4) and the cover body (5) are locked and connected through a bolt (24), and a sealing gasket is arranged between the surfaces of the box body (4) and the cover body (5) which are attached to each other.
CN202111159135.9A 2021-09-30 2021-09-30 Battery pack with protection effect Pending CN114069132A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111159135.9A CN114069132A (en) 2021-09-30 2021-09-30 Battery pack with protection effect

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111159135.9A CN114069132A (en) 2021-09-30 2021-09-30 Battery pack with protection effect

Publications (1)

Publication Number Publication Date
CN114069132A true CN114069132A (en) 2022-02-18

Family

ID=80233970

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111159135.9A Pending CN114069132A (en) 2021-09-30 2021-09-30 Battery pack with protection effect

Country Status (1)

Country Link
CN (1) CN114069132A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116435666A (en) * 2023-06-13 2023-07-14 威海市泓淋电力技术股份有限公司 New energy automobile battery with anticollision function

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116435666A (en) * 2023-06-13 2023-07-14 威海市泓淋电力技术股份有限公司 New energy automobile battery with anticollision function
CN116435666B (en) * 2023-06-13 2023-08-25 威海市泓淋电力技术股份有限公司 New energy automobile battery with anticollision function

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