CN115939621A - Novel lithium ion battery pack with high safety - Google Patents
Novel lithium ion battery pack with high safety Download PDFInfo
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- CN115939621A CN115939621A CN202211094608.6A CN202211094608A CN115939621A CN 115939621 A CN115939621 A CN 115939621A CN 202211094608 A CN202211094608 A CN 202211094608A CN 115939621 A CN115939621 A CN 115939621A
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- 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
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Abstract
The invention discloses a novel high-safety lithium ion battery pack which comprises a shell, a protection block and an accommodating frame, wherein a cover plate is installed at the top of the shell, a dry powder high-pressure storage tank is installed on the inner side of the bottom of the shell, the protection block is installed at the top of a partition plate, an installation plate is installed at the bottom of the partition plate, the accommodating frame is installed on the outer side of the shell, and a clamping frame is installed on the outer side of a protection door. According to the invention, the lithium ion battery pack body is arranged at the top of the mounting frame, when the lithium ion battery pack body is placed above the mounting frame, the connecting plate is driven by gravity to move downwards to push the connecting rod, so that the sliding block moves on the sliding rod to extrude the connecting springs at two sides, the connecting springs buffer the impact force, the impact shaking of the lithium ion battery pack body is reduced, the limiting plate is contacted with the outer side of the lithium ion battery pack body to extrude the spring column, and the damage to the lithium ion battery pack body during the movement of the lithium ion battery pack is effectively reduced.
Description
Technical Field
The invention relates to the technical field of lithium ion battery packs, in particular to a novel high-safety lithium ion battery pack.
Background
The lithium ion battery is a rechargeable battery, which mainly depends on the movement of lithium ions between a positive electrode and a negative electrode, is a battery which uses non-aqueous electrolyte solution and takes lithium metal or lithium alloy as the positive and negative electrode materials, has large energy density and high average output voltage, is popular with consumers due to excellent cycle performance, quick charge and discharge and high charging efficiency, and consists of a plurality of groups of lithium ion batteries.
The lithium ion battery pack in the prior art has the following defects:
1. patent document CN203553306U discloses a lithium ion battery pack component, "it includes lithium ion battery pack and container basin," it includes the outside of lithium ion battery pack, the sealed upper portion that covers of container basin has the upper cover, the outer wall of the inward flange sealing connection lithium ion battery pack of upper cover, the upper end of lithium ion battery pack is equipped with battery utmost point post, the cooling liquid is equipped with in the container basin. The utility model has the advantages that: the container water tank filled with the cooling liquid can carry out external cooling on the lithium ion battery pack, so that the working time and the output power of the battery are improved, the reliability of the lithium ion battery is effectively improved, and potential safety hazards caused by overhigh temperature of the lithium ion battery are avoided; the arrangement of the return spring reduces the damage to the battery caused by factors such as impact and the like; the cooling water body can also become an explosion barrier; simple structure, easy manufacture and control, strong feasibility, good safety and low cost. The lithium ion battery pack can not effectively protect the lithium ion battery, the lithium ion battery is easily damaged in the using and moving processes, and the good use performance of the lithium ion battery pack can not be ensured.
2. Patent document CN210805899U discloses a high-sealing lithium ion battery pack with a waterproof structure, which comprises a housing and a lithium ion battery pack, troughs have been both provided at both ends of the top surface of the closure plate, rubber grooves have been both provided at both ends of the top surface of the housing, a first rubber plate is bonded at the position of the bottom surface of the closure plate corresponding to the rubber grooves, chutes have been both provided at both ends of the outer side of the closure plate, a placement groove has been provided at the top surface of the chutes, a sliding block is mounted inside the chutes, a collection box is mounted on one side of the top end of the sliding block through screws, a second rubber plate is bonded on one side of the top end of the collection box, baffles are welded at both ends of the top surface of the collection box, when the lithium ion battery pack is used, the closure plate is mounted on the top surface of the housing, at this moment, the first rubber plate is inserted into the rubber grooves, the sliding block is placed into the placement groove by an operator, and slides along the placement groove, so that the sliding block is clamped into the chute, thereby fixing the collection box, at this moment, water drops formed on the surface of the housing enter the collection box along the trough, and prevent water drops from entering into the housing. "this lithium ion battery group can not adjust the length of electric wire according to the user demand, and practicality is lower, and the power cord is relatively poor with being connected the steadiness of lithium cell.
3. Patent document CN213304233U discloses a lithium ion battery group with stabilize heat radiation structure, "including lithium ion battery group casing, one side fixedly connected with indicator plate of lithium ion battery group casing, the top fixed mounting of lithium ion battery group casing one end has the battery interface, the top fixed mounting of the lithium ion battery group casing other end has a plurality of pilot lamps, the middle part fixedly connected with control panel of the lithium ion battery group casing other end, one side fixed mounting of control panel has controller and a plurality of control button, the utility model relates to a lithium ion battery group with stabilize heat radiation structure, the inside of lithium ion battery group has very stable heat radiation structure, can be very rapid with the inside hot-air outgoing of lithium ion battery group casing to the external world, also inhale the inside of lithium ion battery group casing with external cold air simultaneously for the heat absorption pipeline has good heat resistance and toughness. The leakage protection function of the lithium ion battery pack is poor, a user cannot be warned in the first time, and the safety performance is low.
4. Patent document CN213009334U discloses an automatic protection device of lithium ion battery group, "including the box, the cavity has been seted up to the inside of box, five baffles of bottom fixedly connected with in the box, the one side that two baffles that are located both sides setting back on the back mutually respectively with the both sides fixed connection of box, bottom fixedly connected with foam obturator between two baffles. This automatic protection device of lithium ion battery group, through the foam obturator, the damping pad, the guard plate, the sponge ball, the design of sponge pad and spacing cushion, can be when the user transports lithium ion battery group body, carry out effectual protection to lithium ion battery group body, reduce the vibrations that lithium ion battery group body received, thereby avoid lithium ion battery group body to receive the condition emergence that vibrations damaged when the transportation, and simultaneously, the spout, the slider, movable rod and buffer spring's design, can be when lithium ion battery group body is placed in the box, carry on spacingly to lithium ion battery group automatically. The lithium ion battery protection device does not have the function of fire treatment, has certain potential safety hazard and cannot meet the use requirement.
Disclosure of Invention
The present invention is directed to a novel high-safety lithium ion battery pack to solve the problems of the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a novel high-safety lithium ion battery pack comprises a shell, a protective block and a storage frame, wherein a cover plate is installed at the top of the shell, a dry powder high-pressure storage tank is installed on the inner side of the bottom of the shell, and a partition plate is installed on the inner wall of the shell;
the protection block is installed at the top of the partition plate, a second sliding groove is formed in the inner wall of the protection block, a connecting plate is installed on the inner side of the second sliding groove in an embedded mode, an installation frame is installed at the top of the connecting plate, a lithium ion battery pack body is installed at the top of the installation frame, and an installation plate is installed at the bottom of the partition plate;
the storage frame is installed in the outside of casing, the outside of storage frame articulates there is the guard gate, the clamping frame is installed in the outside of guard gate.
Preferably, control panel is installed in the front of casing, and the warning light is installed in control panel's front, and the front of casing is run through and has been seted up the locking hole, and the outside of casing is run through and has been seted up the thermovent, and the dust screen is installed to the inboard of thermovent, installs the fan on the inner wall of casing, installs the spring post on the inner wall of casing, and the limiting plate is installed to the inner of spring post, installs smoke detector on the inner wall of casing.
Preferably, the top of the cover plate is provided with a groove, the inner side of the groove is movably provided with a handle, the outer side of the cover plate is provided with a first sliding groove, the inner side of the first sliding groove is embedded with a locking column, the inner wall of the first sliding groove is provided with a return spring, and the outer end of the return spring is connected with the inner side of the locking column.
Preferably, the controller is installed at the top of the dry powder high-pressure storage tank, the electric control valve is installed at the output end of the dry powder high-pressure storage tank, and the fire extinguishing cover is installed on the inner side of the shell.
Preferably, the slide bar is installed to the inboard of protection piece, and the sliding block is installed to the outside gomphosis of slide bar, and coupling spring has been cup jointed in the outside of slide bar, and coupling spring's one end and the inner wall connection of protection piece, and coupling spring's the other end is connected with the outside of sliding block, and the top of sliding block articulates there is the connecting rod, and the top of connecting rod is connected with the bottom of connecting plate, and earth-leakage protector is installed to the bottom of mounting panel, and the inlet wire end is installed to earth-leakage protector's bottom, and the outlet terminal is installed to earth-leakage protector's bottom.
Preferably, the baffle is located the top of dry powder high pressure storage tank, and fan and thermovent are located same level, and the inboard of limiting plate contacts with the outside of lithium ion battery group body, and the inboard in locking hole is installed in the gomphosis of locking post and is carried on spacingly to the position of casing with the apron, and the output of automatically controlled valve runs through the bottom of baffle and is connected through the connecting pipe and the input of putting out a fire the cover, and the top of connecting rod is articulated mutually with the bottom of connecting plate.
Preferably, accomodate the inboard of frame and install and accomodate the frame, accomodate the front of frame and install the runner, accomodate the inboard of frame and install and change the roller, and the output of runner runs through the front of accomodating the frame and be connected with the input of changeing the roller, the connecting wire has been cup jointed in the outside of changeing the roller, and the connector is installed to the output of connecting wire, and the outside of guard gate runs through and has seted up the pencil hole, and the cushion is installed in the outside of guard gate.
Preferably, the adjusting stud is installed in the outside of clamping frame through-going, and the fastening frame is installed to the output of adjusting stud, installs the shifting chute on the inner wall of fastening frame, and the fastening pad is installed to the inboard gomphosis of shifting chute, and the interior wall mounting of fastening frame compresses tightly spring, and the outer end of compressing spring is connected with the inboard of fastening pad, and the fastening pad cooperatees with the cushion.
Preferably, the working steps of the lithium ion battery pack are as follows:
s1, firstly, a user places a lithium ion battery pack body on an installation frame, connects the positive and negative electrodes of the lithium ion battery pack body with a wire inlet end and a wire outlet end respectively, presses a locking column, the locking column moves on the inner side of a sliding groove to extrude a reset spring, and after a cover plate is clamped on the top of a shell, the reset spring enables the locking column to be clamped on the inner side of a locking hole due to the elasticity of the reset spring, so that the cover plate is stably connected with the shell;
s2, rotating the rotating wheel according to the using length of the connecting wire, enabling the rotating wheel to drive the rotating roller to rotate to unreel the connecting wire, enabling the connecting wire to penetrate through the inner side of the clamping frame, and rotating the adjusting stud to enable the fastening frame to be screwed inwards to be matched with the soft cushion to clamp the connecting wire;
s3, detecting the circuit condition by the leakage protector in the charging and discharging processes of the lithium ion battery pack, when the leakage phenomenon caused by abnormal voltage is detected, enabling the circuit to be disconnected by the leakage protector, transmitting an electric signal to a control panel, and controlling a warning lamp to be turned on by the control panel to warn users;
s4, the smoke detector monitors the environment inside the shell in real time, when the lithium ion battery pack is in fire due to short circuit, the smoke detector transmits signals to the controller, the controller controls the electric control valve to be opened, and dry powder inside the dry powder high-pressure storage tank is sprayed out from the fire extinguishing cover through the connecting pipe to extinguish the fire inside the shell.
Preferably, the step S1 further includes the steps of:
s11, when the lithium ion battery pack body is placed above the mounting frame, the connecting plate is driven by gravity to move downwards to push the connecting rod, so that the sliding block moves on the sliding rod to extrude connecting springs on two sides, the connecting springs buffer impact force, and impact shaking of the lithium ion battery pack body is reduced;
s12, the limiting plate is contacted with the outer side of the lithium ion battery pack body to extrude the spring post, the spring post buffers impact force in the horizontal direction, and the position of the lithium ion battery pack body is limited;
in step S2, the method further includes the steps of:
s21, the fastening pad is in contact with the connecting wire, so that the fastening pad moves on the inner side of the moving groove to extrude the compression spring, the mounting stability is improved, meanwhile, the damage to the outer surface of the connecting wire is reduced, and the connector is connected with power supply equipment;
in step S4, the method further includes the steps of:
s31, in the process, the fan operates to discharge heat generated by the work of the inside of the shell and the lithium ion battery pack body to the outside through the heat dissipation port, and outside air enters the inside of the shell through the dust screen to permeate and dissipate heat of the lithium ion battery pack body.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the lithium ion battery pack body is arranged at the top of the mounting frame, when the lithium ion battery pack body is placed above the mounting frame, the connecting plate is driven by gravity to move downwards to push the connecting rod, so that the sliding block moves on the sliding rod to extrude the connecting springs at two sides, the connecting springs buffer impact force, impact shaking of the lithium ion battery pack body is reduced, the limiting plate is contacted with the outer side of the lithium ion battery pack body to extrude the spring column, the spring column buffers impact force in the horizontal direction, and damage to the lithium ion battery pack body during movement of the lithium ion battery pack is effectively reduced.
2. According to the invention, the clamping frame is arranged on the outer side of the protective door, the rotating wheel is rotated according to the using length of the connecting wire, the rotating wheel drives the rotating roller to rotate so as to unreel the connecting wire, the connecting wire is conveniently stored, meanwhile, the potential safety hazard caused by overlong connecting wire is avoided, the adjusting stud is rotated to enable the fastening frame to be screwed inwards to be matched with the soft cushion so as to clamp the connecting wire, the fastening pad is contacted with the connecting wire so that the fastening pad moves on the inner side of the moving groove to extrude the compression spring, the damage to the outer surface of the connecting wire is reduced while the installation stability is improved, the pulling force is transmitted to the clamping frame when the connecting wire is pulled by external force, and the damage to the connecting end of the lithium ion battery pack body is reduced.
3. According to the invention, the leakage protector is arranged at the bottom of the mounting plate, the leakage protector detects the circuit condition in the charging and discharging process of the lithium ion battery pack, when the leakage phenomenon caused by abnormal voltage is detected, the leakage protector works to disconnect the circuit, an electric signal is transmitted to the control panel, the control panel controls the warning lamp to light up to warn a user, the fan operates in the charging and discharging process to discharge the heat generated by the work of the inside of the shell and the lithium ion battery pack body to the outside through the heat dissipation port, and the outside gas is filtered by the dust screen and enters the inside of the shell to perform penetrating heat dissipation on the lithium ion battery pack body.
4. According to the invention, the electric control valve is arranged at the output end of the dry powder high-pressure storage tank, the smoke detector monitors the environment in the shell in real time, when a lithium ion battery pack is in a fire due to short circuit, the smoke detector transmits a signal to the controller, the controller controls the electric control valve to open, and the dry powder in the dry powder high-pressure storage tank is sprayed out from the fire extinguishing cover through the connecting pipe to extinguish the fire in the shell, so that the safety performance in use is enhanced.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a front internal view of the housing of the present invention;
FIG. 3 is a schematic view of the locking post connection structure of the present invention;
FIG. 4 is an enlarged schematic view of the structure at A of the present invention;
FIG. 5 is a schematic perspective view of the earth leakage protector of the present invention;
FIG. 6 is a schematic view of the internal structure of the storage rack of the present invention;
FIG. 7 is a perspective view of an adjusting stud according to the present invention;
fig. 8 is a schematic view of the internal structure of the fastening frame of the present invention.
In the figure: 1. a housing; 2. a cover plate; 3. a dry powder high pressure storage tank; 4. a protection block; 5. mounting a plate; 6. an accommodating frame; 7. a clamping frame; 8. a partition plate; 9. a control panel; 10. a warning light; 11. a locking hole; 12. a heat dissipation port; 13. a dust screen; 14. a fan; 15. a spring post; 16. a limiting plate; 17. a smoke detector; 18. a groove; 19. a handle; 20. a first sliding chute; 21. a locking post; 22. a return spring; 23. a controller; 24. an electrically controlled valve; 25. a fire extinguishing cover; 26. a slide bar; 27. a slider; 28. a connecting spring; 29. a connecting rod; 30. a second chute; 31. a connecting plate; 32. a mounting frame; 33. a lithium ion battery pack body; 34. a leakage protector; 35. a wire inlet end; 36. a wire outlet end; 37. a storage rack; 38. a rotating wheel; 39. rotating the roller; 40. a connecting wire; 41. a connector; 42. a protective door; 43. a wire harness hole; 44. a soft cushion; 45. adjusting the stud; 46. fastening the frame; 47. a moving groove; 48. fastening the pad; 49. compressing the spring.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on 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 configured in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be a fixed connection or a movable connection, a detachable connection, or an integral connection; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1, fig. 2 and fig. 3, an embodiment of the present invention: a novel high-safety lithium ion battery pack;
the portable lithium ion battery pack heat dissipation device comprises a shell 1, a partition plate 8 and a cover plate 2, wherein the partition plate 8 is installed on the inner wall of the shell 1, a control panel 9 is installed on the front surface of the shell 1, a warning lamp 10 is installed on the front surface of the control panel 9, a locking hole 11 is formed in the front surface of the shell 1 in a penetrating mode, a heat dissipation port 12 is formed in the outer side of the shell 1 in a penetrating mode, a dustproof net 13 is installed on the inner side of the heat dissipation port 12, a fan 14 is installed on the inner wall of the shell 1, a spring column 15 is installed on the inner wall of the shell 1, a limiting plate 16 is installed at the inner end of the spring column 15, a smoke detector 17 is installed on the inner wall of the shell 1, the shell 1 provides an installation position for the partition plate 8, heat generated by the operation of the fan 14 in the shell 1 and the work of the lithium ion battery pack body 33 is exhausted to the outside through the heat dissipation port 12 in the charging and discharging process, external gas is filtered by the dust net 13 and enters the shell 1 to permeate and dissipate heat of the lithium ion battery pack body 33, the limiting plate 16 is contacted with the outer side of the lithium ion battery pack body 33 to extrude the spring column 15, spring post 15 cushions the impact force on the horizontal direction, the damage that causes lithium ion battery group body 33 when effectively having reduced lithium ion battery group and moving, apron 2 is installed at the top of casing 1, recess 18 has been seted up at the top of apron 2, the inboard movable mounting of recess 18 has handle 19, spout one 20 has been seted up in the outside of apron 2, locking post 21 is installed to the inboard gomphosis of spout one 20, install reset spring 22 on the inner wall of spout one 20, and reset spring 22's outer end is connected with the inboard of locking post 21, apron 2 seals casing 1, press locking post 21 after lithium ion battery group body installation is accomplished, locking post 21 is pushed reset spring 22 in the inboard removal of spout one 20, reset spring 22 makes locking post 21 block realize locking hole 11 inboard because self elasticity makes locking post 21 block behind casing 1 top with apron 2 block because self elasticity A secure connection between the cover plate 2 and the housing 1.
Referring to fig. 2, 4 and 5, a novel high-safety lithium ion battery pack;
the device comprises a dry powder high-pressure storage tank 3, a protection block 4 and a mounting frame 32, wherein the dry powder high-pressure storage tank 3 is mounted on the inner side of the bottom of a shell 1, a controller 23 is mounted at the top of the dry powder high-pressure storage tank 3, an electric control valve 24 is mounted at the output end of the dry powder high-pressure storage tank 3, a fire extinguishing cover 25 is mounted on the inner side of the shell 1, the output end of the electric control valve 24 penetrates through the bottom of a partition plate 8 and is connected with the input end of the fire extinguishing cover 25 through a connecting pipe, the shell 1 provides a mounting position for the dry powder high-pressure storage tank 3, a smoke detector 17 monitors the internal environment of the shell 1 in real time, when a lithium ion battery pack is in a fire due to short circuit, the smoke detector 17 transmits a signal to the controller 23, the controller 23 controls the electric control valve 24 to be opened, dry powder in the dry powder high-pressure storage tank is sprayed out of the fire from the fire extinguishing cover 25 through the connecting pipe to extinguish the interior of the shell 1, the protection block 4 is mounted at the top of the partition plate 8, the inner wall of the protection block 4 is provided with a second sliding groove 30, the inner side of the second sliding groove 30 is embedded with a connecting plate 31, the top of the connecting plate 31 is provided with an installation frame 32, the top of the installation frame 32 is provided with a lithium ion battery pack body 33, the inner side of the protection block 4 is provided with a sliding rod 26, the outer side of the sliding rod 26 is embedded with a sliding block 27, the outer side of the sliding rod 26 is sleeved with a connecting spring 28, one end of the connecting spring 28 is connected with the inner wall of the protection block 4, the other end of the connecting spring 28 is connected with the outer side of the sliding block 27, the top of the sliding block 27 is hinged with a connecting rod 29, the top end of the connecting rod 29 is connected with the bottom of the connecting plate 31, the partition plate 8 provides an installation position for the protection block 4, the installation frame 32 ensures the stability when the lithium ion battery pack body 33 is placed above the installation frame 32, the connecting plate 31 is driven by gravity to move downwards to push the connecting rod 29, the sliding block 27 moves on the sliding rod 26 to extrude the connecting springs 28 on the two sides, and the connecting springs 28 buffer the impact force, so that the impact shake of the lithium ion battery pack body 33 is reduced.
Referring to fig. 1, 5 and 6, a novel high-safety lithium ion battery pack;
the lithium ion battery pack safety protection device comprises a mounting plate 5, a storage frame 6 and a storage frame 37, wherein the mounting plate 5 is mounted at the bottom of a partition plate 8, a leakage protector 34 is mounted at the bottom of the mounting plate 5, a wire inlet end 35 is mounted at the bottom of the leakage protector 34, a wire outlet end 36 is mounted at the bottom of the leakage protector 34, the mounting plate 5 ensures the stability of the leakage protector 34 during mounting, the positive electrode and the negative electrode of a lithium ion battery pack body 33 are respectively connected with the wire inlet end 35 and the wire outlet end 36, the leakage protector 34 detects the circuit condition in the charging and discharging processes of the lithium ion battery pack, when the leakage phenomenon caused by abnormal voltage is detected, the leakage protector 34 works to disconnect a circuit, an electric signal is transmitted to a control panel 9, the control panel 9 controls a warning lamp 10 to light up to warn users, the storage frame 6 is mounted on the outer side of a shell 1, and a protective door 42 is hinged to the outer side of the storage frame 6, accomodate the inboard of frame 6 and install and accomodate frame 37, accomodate the front of frame 6 and install runner 38, accomodate the inboard of frame 37 and install and change roller 39, and the output of runner 38 runs through the front of accomodating frame 6 and change the input of roller 39 and be connected, change the outside of roller 39 and cup jointed connecting wire 40, connector 41 is installed to the output of connecting wire 40, the outside of guard gate 42 is run through and has been seted up bunch hole 43, cushion 44 is installed to the outside of guard gate 42, connecting wire 40 twines in changeing the roller 39 outside, rotate runner 38 according to the use length of connecting wire 40, runner 38 drives and changes roller 39 and rotate and realize unreeling to connecting wire 40, avoided the potential safety hazard that connecting wire 40 overlength leads to when accomodating connecting wire 40 conveniently, pass bunch hole 43 and the inboard of clamping frame 7 with connecting wire 40 and be connected connector 41 with external power supply.
Referring to fig. 1, 7 and 8, a novel high-safety lithium ion battery pack;
install clamping frame 7 including the outside of guard gate 42, the outside of clamping frame 7 is run through and is installed adjusting stud 45, fastening frame 46 is installed to adjusting stud 45's output, install shifting chute 47 on fastening frame 46's the inner wall, fastening pad 48 is installed to shifting chute 47's inboard gomphosis, fastening frame 46's the interior wall mounting pressure spring 49, pressure spring 49's outer end is connected with fastening pad 48's inboard, and fastening pad 48 cooperatees with cushion 44, it makes fastening frame 46 inboard screw in and realizes the clamp of connecting wire 40 with the cooperation of cushion 44 to rotate adjusting stud 45, fastening pad 48 makes fastening pad 48 extrude pressure spring 49 at shifting chute 47 inboard removal, the damage that has reduced the outer surface of connecting wire 40 and caused when improving the installation steadiness, pulling force transmission to clamping frame 7 when external force is dragged connecting wire 40, the damage that causes lithium ion battery group's body connection end 33 has been reduced.
The working steps of the lithium ion battery pack are as follows:
s1, firstly, a user places a lithium ion battery pack body 33 on a mounting frame 32, the positive pole and the negative pole of the lithium ion battery pack body 33 are respectively connected with a wire inlet end 35 and a wire outlet end 36, a locking column 21 is pressed, the locking column 21 moves on the inner side of a first sliding groove 20 to extrude a return spring 22, after a cover plate 2 is clamped on the top of a shell 1, the return spring 22 enables the locking column 21 to be clamped on the inner side of a locking hole 11 due to the elasticity of the return spring 22, and therefore stable connection between the cover plate 2 and the shell 1 is achieved;
s2, rotating the rotating wheel 38 according to the using length of the connecting wire 40, driving the rotating roller 39 to rotate by the rotating wheel 38 to unreel the connecting wire 40, enabling the connecting wire 40 to penetrate through the inner side of the clamping frame 7, and rotating the adjusting stud 45 to enable the fastening frame 46 to be screwed inwards to be matched with the cushion 44 to clamp the connecting wire 40;
s3, detecting the circuit condition by the leakage protector 34 in the charging and discharging processes of the lithium ion battery pack, when the leakage phenomenon caused by abnormal voltage is detected, enabling the circuit to be disconnected by the leakage protector 34, transmitting an electric signal to the control panel 9, and controlling the warning lamp 10 to be turned on by the control panel 9 to warn users;
s4, the smoke detector 17 monitors the internal environment of the shell 1 in real time, when the lithium ion battery pack is in a fire due to short circuit, the smoke detector 17 transmits signals to the controller 23, the controller 23 controls the electric control valve 24 to be opened, and dry powder in the dry powder high-pressure storage tank 3 is sprayed out from the fire extinguishing cover 25 through the connecting pipe to extinguish the fire in the shell 1.
In step S1, the method further includes the steps of:
s11, when the lithium ion battery pack body 33 is placed above the mounting frame 32, the connecting plate 31 is driven by gravity to move downwards to push the connecting rod 29, so that the sliding block 27 moves on the sliding rod 26 to extrude the connecting springs 28 on the two sides, the connecting springs 28 buffer impact force, and impact shaking of the lithium ion battery pack body 33 is reduced;
s12, the limiting plate 16 is contacted with the outer side of the lithium ion battery pack body 33 to extrude the spring post 15, the spring post 15 buffers impact force in the horizontal direction, and the position of the lithium ion battery pack body 33 is limited;
in step S2, the method further includes the steps of:
s21, the fastening pad 48 is in contact with the connecting wire 40, so that the fastening pad 48 moves inside the moving groove 47 to extrude the compression spring 49, the mounting stability is improved, meanwhile, the damage to the outer surface of the connecting wire 40 is reduced, and the connector 41 is connected with power supply equipment;
in step S4, the method further includes the steps of:
s31, in the process, the fan 14 operates to discharge heat generated by the operation of the inside of the shell 1 and the lithium ion battery pack body 33 to the outside through the heat dissipation port 12, and outside air is filtered by the dustproof net 13 and enters the inside of the shell 1 to permeate and dissipate heat of the lithium ion battery pack body 33.
The working principle is as follows: when the device is used, firstly, a user places a lithium ion battery pack body 33 on an installation frame 32, when the lithium ion battery pack body 33 is placed above the installation frame 32, the connecting plate 31 is driven by gravity to move downwards to push a connecting rod 29, so that a sliding block 27 moves on a sliding rod 26 to extrude connecting springs 28 at two sides, the connecting springs 28 buffer impact force, impact shaking of the lithium ion battery pack body 33 is reduced, the positive and negative poles of the lithium ion battery pack body 33 are respectively connected with a wire inlet end 35 and a wire outlet end 36, a locking column 21 is pressed, the locking column 21 moves on the inner side of a sliding groove I20 to extrude a return spring 22, the return spring 22 clamps a cover plate 2 on the top of a shell 1, the locking column 21 clamps on the inner side of a locking hole 11 due to self elasticity to realize stable connection between the cover plate 2 and the shell 1, and a rotating wheel 38 is rotated according to the use length of a connecting wire 40, the rotating wheel 38 drives the rotating roller 39 to rotate to unreel the connecting wire 40, the connecting wire 40 penetrates through the inner side of the clamping frame 7, the adjusting stud 45 is rotated to enable the fastening frame 46 to be screwed inwards to be matched with the soft cushion 44 to clamp the connecting wire 40, the fastening pad 48 is contacted with the connecting wire 40 to enable the fastening pad 48 to move on the inner side of the moving groove 47 to extrude the compression spring 49, the installation stability is improved, meanwhile, damage to the outer surface of the connecting wire 40 is reduced, the connector 41 is connected with power equipment, the leakage protector 34 detects the circuit condition in the charging and discharging processes of the lithium ion battery pack, when the leakage phenomenon caused by abnormal voltage is detected, the leakage protector 34 works to disconnect a circuit, an electric signal is transmitted to the control panel 9, the control panel 9 controls the warning lamp 10 to light up to warn users, the smoke detector 17 monitors the internal environment of the shell 1 in real time, when the lithium ion battery pack is in a fire due to short circuit, the smoke detector 17 transmits a signal to the controller 23, the controller 23 controls the electric control valve 24 to be opened, and dry powder in the dry powder high-pressure storage tank 3 is sprayed out of the fire extinguishing cover 25 through the connecting pipe to extinguish the fire in the shell 1.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (10)
1. The utility model provides a novel lithium ion battery group of high security, includes casing (1), protection piece (4) and accomodates frame (6), its characterized in that: a cover plate (2) is installed at the top of the shell (1), a dry powder high-pressure storage tank (3) is installed on the inner side of the bottom of the shell (1), and a partition plate (8) is installed on the inner wall of the shell (1);
the protection block (4) is installed at the top of the partition plate (8), a second sliding groove (30) is formed in the inner wall of the protection block (4), a connecting plate (31) is installed on the inner side of the second sliding groove (30) in an embedded mode, an installation frame (32) is installed at the top of the connecting plate (31), a lithium ion battery pack body (33) is installed at the top of the installation frame (32), and an installation plate (5) is installed at the bottom of the partition plate (8);
the outside of casing (1) is installed and is accomodate frame (6), the outside of accomodating frame (6) articulates there is guard gate (42), tight frame (7) of clamp are installed in the outside of guard gate (42).
2. The novel high-safety lithium ion battery pack according to claim 1, wherein: control panel (9) are installed in the front of casing (1), warning light (10) are installed in the front of control panel (9), the front of casing (1) is run through and has been seted up locking hole (11), the outside of casing (1) is run through and has been seted up thermovent (12), dust screen (13) are installed to the inboard of thermovent (12), install fan (14) on the inner wall of casing (1), install spring post (15) on the inner wall of casing (1), limiting plate (16) are installed to the inner of spring post (15), install smoke detector (17) on the inner wall of casing (1).
3. The novel high-safety lithium ion battery pack according to claim 1, wherein: the top of the cover plate (2) is provided with a groove (18), a handle (19) is movably mounted on the inner side of the groove (18), a first sliding groove (20) is formed in the outer side of the cover plate (2), a locking column (21) is installed on the inner side of the first sliding groove (20) in an embedded mode, a return spring (22) is installed on the inner wall of the first sliding groove (20), and the outer end of the return spring (22) is connected with the inner side of the locking column (21).
4. The novel high-safety lithium ion battery pack according to claim 1, wherein: the controller (23) is installed at the top of the dry powder high-pressure storage tank (3), the electric control valve (24) is installed at the output end of the dry powder high-pressure storage tank (3), and the fire extinguishing cover (25) is installed on the inner side of the shell (1).
5. The novel high-safety lithium ion battery pack according to claim 1, wherein: slide bar (26) are installed to the inboard of protection piece (4), sliding block (27) are installed to the outside gomphosis of slide bar (26), connecting spring (28) have been cup jointed in the outside of slide bar (26), and the one end of connecting spring (28) and the interior wall connection of protection piece (4), the other end of connecting spring (28) is connected with the outside of sliding block (27), the top of sliding block (27) articulates there is connecting rod (29), and the top of connecting rod (29) is connected with the bottom of connecting plate (31), earth-leakage protector (34) are installed to the bottom of mounting panel (5), inlet wire end (35) are installed to the bottom of earth-leakage protector (34), outlet end (36) are installed to the bottom of earth-leakage protector (34).
6. The novel high-safety lithium ion battery pack according to any one of claims 1 to 5, wherein: baffle (8) are located the top of dry powder high pressure holding vessel (3), fan (14) are located same level with thermovent (12), the inboard of limiting plate (16) contacts with the outside of lithium ion battery group body (33), the inboard that installs in locking hole (11) of locking post (21) gomphosis is spacing to the position of casing (1) and apron (2), the output of automatically controlled valve (24) runs through the bottom of baffle (8) and is connected through the input of connecting pipe with the cover of putting out a fire (25), the top of connecting rod (29) is articulated mutually with the bottom of connecting plate (31).
7. The novel high-safety lithium ion battery pack according to claim 1, wherein: accomodate the inboard of frame (6) and install and accomodate frame (37), accomodate the front of frame (6) and install runner (38), accomodate the inboard of frame (37) and install and change roller (39), and the output of runner (38) runs through the front of accomodating frame (6) and is connected with the input of changeing roller (39), the connecting wire (40) have been cup jointed in the outside of changeing roller (39), connector (41) are installed to the output of connecting wire (40), the outside of guard gate (42) is run through and has been seted up bunch hole (43), cushion (44) are installed in the outside of guard gate (42).
8. The novel high-safety lithium ion battery pack according to claim 1, wherein: the outside of clamping frame (7) is run through and is installed adjusting stud (45), and fastening frame (46) are installed to the output of adjusting stud (45), install shifting chute (47) on the inner wall of fastening frame (46), and fastening pad (48) are installed to the inboard gomphosis of shifting chute (47), and interior wall mounting pressure spring (49) of fastening frame (46), and the outer end and the inboard of fastening pad (48) of pressure spring (49) are connected, and fastening pad (48) cooperate with cushion (44).
9. The method for using a novel high-safety lithium ion battery pack according to any one of claims 1 to 8, wherein the lithium ion battery pack is prepared by the following steps:
s1, firstly, a user places a lithium ion battery pack body (33) on a mounting frame (32), the positive and negative poles of the lithium ion battery pack body (33) are respectively connected with a wire inlet end (35) and a wire outlet end (36), a locking column (21) is pressed, the locking column (21) moves on the inner side of a first sliding groove (20) to extrude a return spring (22), and after a cover plate (2) is clamped at the top of a shell (1), the return spring (22) enables the locking column (21) to be clamped on the inner side of a locking hole (11) due to self elasticity to realize stable connection between the cover plate (2) and the shell (1);
s2, rotating the rotating wheel (38) according to the using length of the connecting wire (40), driving the rotating roller (39) to rotate by the rotating wheel (38) to unreel the connecting wire (40), enabling the connecting wire (40) to penetrate through the inner side of the clamping frame (7), and rotating the adjusting stud (45) to enable the fastening frame (46) to be screwed inwards to be matched with the cushion (44) to clamp the connecting wire (40);
s3, detecting the circuit condition by the leakage protector (34) in the charging and discharging processes of the lithium ion battery pack, when the leakage phenomenon caused by abnormal voltage is detected, enabling the circuit to be disconnected by the leakage protector (34), transmitting an electric signal to the control panel (9), and controlling the warning lamp (10) to be turned on by the control panel (9) to warn users;
s4, the smoke detector (17) monitors the internal environment of the shell (1) in real time, when the lithium ion battery pack is in a fire due to short circuit, the smoke detector (17) transmits signals to the controller (23), the controller (23) controls the electric control valve (24) to be opened, and dry powder in the dry powder high-pressure storage tank (3) is sprayed out from the fire extinguishing cover (25) through the connecting pipe to extinguish the inside of the shell (1).
10. The process for manufacturing a lithium ion battery pack with high safety as claimed in claim 9, wherein in step S1, the process further comprises the following steps:
s11, when the lithium ion battery pack body (33) is placed above the mounting frame (32), the connecting plate (31) is driven to move downwards due to gravity to push the connecting rod (29), the sliding block (27) moves on the sliding rod (26) to extrude the connecting springs (28) on the two sides, the connecting springs (28) buffer impact force, and impact shaking of the lithium ion battery pack body (33) is reduced;
s12, the limiting plate (16) is in contact with the outer side of the lithium ion battery pack body (33) to extrude the spring post (15), the spring post (15) buffers impact force in the horizontal direction, and the position of the lithium ion battery pack body (33) is limited;
in step S2, the method further includes the steps of:
s21, the fastening pad (48) is in contact with the connecting line (40) so that the fastening pad (48) moves on the inner side of the moving groove (47) to squeeze the compression spring (49), the mounting stability is improved, meanwhile, damage to the outer surface of the connecting line (40) is reduced, and the connector (41) is connected with power supply equipment;
in step S4, the method further includes the steps of:
s31, in the process, the fan (14) operates to discharge heat generated by the operation of the inside of the shell (1) and the lithium ion battery pack body (33) to the outside through the heat dissipation port (12), and outside air enters the inside of the shell (1) through the filtration of the dust screen (13) to permeate and dissipate heat of the lithium ion battery pack body (33).
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| CN202211094608.6A CN115939621A (en) | 2022-09-04 | 2022-09-04 | Novel lithium ion battery pack with high safety |
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| CN202211094608.6A CN115939621A (en) | 2022-09-04 | 2022-09-04 | Novel lithium ion battery pack with high safety |
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