CN115484787A - Lithium ion battery BMS management system - Google Patents

Abstract

The invention relates to the technical field of lithium ion storage batteries, in particular to a lithium ion storage battery BMS management system which comprises a management box, wherein a silica gel pad is fixedly arranged at the bottom end of the management box, a placing cover is movably hinged to the front surface of the management box, an installing cover is movably arranged at the top of the management box, two auxiliary grooves are respectively formed in two sides of the inner wall of the management box, auxiliary blocks are respectively arranged in the four auxiliary grooves in a sliding mode, two rubber pads are respectively fixedly arranged at the bottom ends of the two installing grooves, the auxiliary blocks, an installing frame, an auxiliary plate, a squeezing plate, a protruding block and an extension plate are arranged in the management box, the auxiliary blocks can freely slide in the auxiliary grooves, the friction force between the auxiliary blocks is large, when pressure is not applied to the auxiliary blocks, a device can be installed in the middle positions of the two extension plates, the materials arranged on the two extension plates are silica gel, and the extension plates have good flexibility and cannot be abraded when being in contact with the device.

Description

Lithium ion battery BMS management system

Technical Field

The invention relates to the technical field of lithium ion batteries, in particular to a BMS (battery management system) of a lithium ion battery.

Background

A lithium ion battery is a secondary battery (rechargeable battery) that mainly works by lithium ion movement between a positive electrode and a negative electrode, and Li + is inserted and extracted back and forth between the two electrodes during charge and discharge: during charging, li + is extracted from the positive electrode and is inserted into the negative electrode through the electrolyte, and the negative electrode is in a lithium-rich state; in the process of discharging, the lithium batteries are contrary to each other, the lithium batteries are divided into lithium batteries and lithium ion batteries, the lithium batteries are used in mobile phones and notebook computers and commonly called as lithium batteries, the batteries generally adopt materials containing lithium elements as electrodes and are representative of modern high-performance batteries, the real lithium batteries are rarely applied to daily electronic products due to high danger, petroleum coke and graphite are used as negative electrode materials and are nontoxic and sufficient in resources, lithium ions are embedded into carbon, the high activity of the lithium is overcome, the safety problem of the traditional lithium batteries is solved, and the anode LixCoO2 can reach higher levels in charging and discharging performance and service life, so that the cost is reduced.

However, the existing battery BMS management system still has some disadvantages:

1. when the battery BMS management system operates normally, the distance between the internally mounted device and the inner wall of the management system is short, heat generated by the device can be transferred to the management system, so that the surface temperature of the management system is high, and the space inside the management system cannot be adjusted according to the occupied area of the device.

2. The storage battery BMS management system is provided with a plurality of heat dissipation holes for heat dissipation, the heat inside the system is high, the heat dissipation efficiency of the heat dissipation holes is poor, and more heat is still accumulated inside the system for a long time, so that part of elements are damaged, and the normal operation of the system is influenced.

3. When battery BMS management system installs in the new environment, can not shelter from a plurality of louvres, lead to the in-process of its transport, have a large amount of dusts to float to the inside of system from the position of louvre, can not open a plurality of louvres when battery BMS management system uses.

Disclosure of Invention

The invention aims to provide a lithium ion battery BMS management system, which solves the problems that the heat generated by the device in the background art is transferred to the management system, so that the surface temperature of the management system is higher, the heat dissipation efficiency of a plurality of heat dissipation holes is poorer, more heat is still accumulated in the system for a long time, so that part of elements are damaged, and the plurality of heat dissipation holes cannot be opened when the battery BMS management system is used.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a lithium ion battery BMS management system, including the management case, the bottom fixed mounting of management case has the silica gel pad, the positive movable hinge of management case has shelved the lid, the top movable mounting of management case has the installation lid, two auxiliary tanks have all been seted up to the both sides of management incasement wall, the equal slidable mounting in inside of four auxiliary tanks has the auxiliary block, all alternate between the inner wall of two adjacent auxiliary blocks and be connected with the mounting bracket, the mounting groove has all been seted up to one side of two mounting brackets, the equal fixed mounting in bottom of two mounting grooves has two rubber pads, the top of four rubber pads all is equipped with the accessory plate, one side of four accessory plates all is equipped with the stripper plate.

As a preferred technical scheme of the invention, the top ends of four rubber pads are respectively fixedly connected with the bottom ends of four auxiliary plates, one sides of the four auxiliary plates are respectively fixedly connected with one sides of four extrusion plates, the inner walls of two adjacent extrusion plates are respectively and alternately connected with a rest, and the positions of the two rest are corresponding.

As a preferred technical scheme, the other sides of the two extrusion plates are respectively and alternately connected with a plurality of convex blocks, the convex blocks are arranged at equal intervals, the extension plates are slidably mounted inside the two adjacent auxiliary grooves, and a plurality of vent holes are formed in one sides of the two extension plates.

As a preferable technical scheme of the invention, the positions of the plurality of vent holes are arranged at equal intervals, one side of one extension plate is connected with the baffle plate in a clamping way, and one side of the other extension plate is connected with the fixing frame in a clamping way.

As a preferred technical scheme of the invention, the two sides of the fixing frame are both provided with sliding grooves, the extending blocks are slidably mounted in the two sliding grooves, the two sides of the baffle are respectively and fixedly connected with one sides of the two extending blocks, and the two extending blocks are arranged at corresponding positions.

As a preferred technical scheme of the invention, one side of one auxiliary plate is fixedly provided with a placing seat, the back of one placing frame is fixedly provided with an extension frame, the top of the placing seat is fixedly provided with a motor, and an output shaft of the motor is in transmission connection with a rotating column.

As a preferred technical scheme, one end of the rotating column is rotatably connected with a threaded rod, one end of the threaded rod is rotatably connected with one side of the extension frame, an auxiliary sleeve is sleeved on one end of the threaded rod through a thread, the top of the auxiliary sleeve is connected with a limiting column in an inserting mode, and the top end of the limiting column is connected with a storage frame in an inserting mode.

As a preferred technical scheme of the invention, one side of the storage rack is provided with two processing tanks, the interior of each processing tank is rotatably provided with a micro fan, and the two micro fans are arranged at corresponding positions.

As a preferred technical scheme of the invention, the top end of the mounting cover is provided with a supporting groove, the inside of the supporting groove is clamped with a processing pad, the top end of the processing pad is provided with a plurality of heat dissipation holes, one side of the top end of the mounting cover is fixedly provided with a limiting frame, one side of the limiting frame is movably provided with a folding plate, one side of the folding plate is movably hinged with two clamping hooks, the other side of the top end of the mounting cover is fixedly provided with a supporting plate, one side of the supporting plate is provided with two clamping grooves, and the two clamping grooves are respectively clamped and connected with the two clamping hooks.

The invention has at least the following beneficial effects:

1. the auxiliary block can slide in the auxiliary groove at will, the friction force between the auxiliary block and the auxiliary groove is large, the auxiliary block can be kept still in the auxiliary groove all the time when no pressure is applied to the auxiliary block, so that the two auxiliary blocks can slide relatively, the distance between the two mounting frames gradually approaches to drive the two corresponding extrusion plates to approach, the rest frame and the extrusion plates respectively extrude one sides of the two extension plates, the distance between the two extension plates can be adjusted, a device can be installed in the middle position of the two extension plates, the two extension plates are made of silica gel, the material of the two extension plates is good enough flexibility, and the device cannot be abraded when being in contact with the device.

2. According to the invention, the motor is started through the arrangement of the vent holes, the motor, the auxiliary sleeve, the micro fans, the storage rack and the limiting columns, the threaded rod in transmission connection with the output shaft of the motor is driven to rotate, so that the auxiliary sleeve sleeved at one end part of the threaded rod moves back and forth through the threaded sleeve, the storage rack is driven to move, the power switch arranged on the surface of the management box is pressed, the two micro fans electrically connected with the storage rack are driven to work, the wind blown by the micro fans is continuously blown into the management box through the plurality of vent holes, the heat generated in the management box can be blown into the external environment through the heat dissipation holes, the heat dissipation can be carried out on different positions in the management box, and the heat dissipation efficiency of the management system is improved.

3. According to the invention, through arranging the processing pad, the heat dissipation holes, the clamping grooves, the limiting frame, the folding plate and the clamping hooks, the folding plate can move at one side of the limiting frame, the folding plate is pulled outwards, the area of the folding plate exposed in the external environment is gradually increased, the two clamping hooks are gradually close to the supporting plate, the two clamping hooks are embedded into the two clamping grooves for clamping, so that the folding plate is limited and fixed, at the moment, the bottom surface of the folding plate is in contact with the surface of the processing pad, the plurality of heat dissipation holes can be firmly shielded, the sealing property between the folding plate and the supporting plate is strong, the plurality of heat dissipation holes can be shielded in time when the management box is not used, and the pollution of devices caused by that a large amount of dust floats to the inside of the management box through the heat dissipation holes is avoided.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic front view of a portion of a baffle of the present invention;

FIG. 3 is an enlarged view of the invention at A in FIG. 2;

FIG. 4 is a schematic side view of a micro fan according to the present invention;

FIG. 5 is a side view of a portion of an auxiliary block of the present invention;

FIG. 6 is a side view of a portion of the folding plate of the present invention;

fig. 7 is a partial bottom view of the present invention.

In the figure: 1. a management box; 2. a silica gel pad; 3. a shelving cover; 4. installing a cover; 5. an auxiliary groove; 6. an auxiliary block; 7. a mounting frame; 8. an auxiliary plate; 9. a pressing plate; 10. a shelf; 11. a bump; 12. a stretching plate; 13. a vent hole; 14. a resting seat; 15. a motor; 16. a stretching frame; 17. a threaded rod; 18. an auxiliary sleeve; 19. a limiting post; 20. a storage rack; 21. a micro fan; 22. a baffle plate; 23. a fixed mount; 24. an extension block; 25. a treatment pad; 26. heat dissipation holes; 27. a limiting frame; 28. folding the plate; 29. a hook; 30. a support plate; 31. a card slot; 32. a support groove; 33. a rubber pad; 34. mounting grooves; 35. rotating the column; 36. and (4) treating the tank.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.

Referring to fig. 1 to 7, the present invention provides a technical solution of a lithium ion battery BMS management system:

the first embodiment is as follows:

as shown in fig. 1 to 7, a lithium ion battery BMS management system, including a management box 1, a silicone rubber pad 2 is fixedly installed at a bottom end of the management box 1, a shelving cover 3 is movably hinged to a front surface of the management box 1, an installation cover 4 is movably installed at a top portion of the management box 1, two auxiliary grooves 5 are respectively formed at both sides of an inner wall of the management box 1, auxiliary blocks 6 are respectively slidably installed inside the four auxiliary grooves 5, an installation frame 7 is respectively and alternately connected between inner walls of two adjacent auxiliary blocks 6, an installation groove 34 is respectively formed at one side of the two installation frames 7, two rubber pads 33 are respectively and fixedly installed at a bottom end of the two installation grooves 34, auxiliary plates 8 are respectively arranged at top ends of the four rubber pads 33, a placement frame 10 is respectively and alternately connected between inner walls of the two adjacent auxiliary plates 9, positions where the two placement frames 10 are arranged correspond to each other, a friction force is large between the two auxiliary blocks 7, when pressure is not applied to the auxiliary blocks 6, the auxiliary blocks 6 are respectively and are fixedly connected to one side of the four extrusion plates 9, the two auxiliary plates 9 are respectively and the auxiliary blocks 6 are not relatively and are respectively driven by the two auxiliary plates 12, thereby the auxiliary blocks 6, and the two auxiliary plates are not gradually close to the corresponding extrusion frame 12, and the two auxiliary blocks 6, and the two auxiliary plates are gradually and the two auxiliary plates 12.

Example two:

on the basis of the first embodiment, as shown in fig. 2, fig. 3, fig. 4 and fig. 5, a placement seat 14 is fixedly installed on one side of one auxiliary plate 8, two processing slots 36 are opened on one side of the storage rack 20, the other sides of the two squeezing plates 9 are respectively and alternately connected with a plurality of bumps 11, the positions where the bumps 11 are arranged are respectively arranged at equal intervals, extension plates 12 are respectively and slidably installed inside the two adjacent auxiliary slots 5, a plurality of vent holes 13 are respectively opened on one side of the two extension plates 12, the positions where the vent holes 13 are arranged are respectively arranged at equal intervals, one side of one extension plate 12 is connected with a baffle 22 in a clamping manner, one side of the other extension plate 12 is connected with a fixing frame 23 in a clamping manner, a power switch installed on the surface of the management box 1 is pressed, two micro fans 21 electrically connected with the extension plates are driven to operate, the blown air of the micro fans 21 is continuously blown into the management box 1 through the vent holes 13, and heat generated inside the management box 1 can be blown to the external environment through the heat dissipation holes 26.

Example three:

on the basis of the first embodiment and the second embodiment, as shown in fig. 1, 6 and 7, sliding grooves are respectively formed on two sides of a fixing frame 23, extending blocks 24 are respectively slidably mounted inside the two sliding grooves, two sides of a baffle plate 22 are respectively fixedly connected with one sides of the two extending blocks 24, the two extending blocks 24 are arranged at corresponding positions, one end of a rotating column 35 is rotatably connected with a threaded rod 17, one end of the threaded rod 17 is rotatably connected with one side of an extending frame 16, an auxiliary sleeve 18 is sleeved on a threaded sleeve at one end of the threaded rod 17, a limiting column 19 is penetratingly connected with the top of the auxiliary sleeve 18, a storage frame 20 is penetratingly connected with the top of the limiting column 19, a supporting groove 32 is formed in the top of a mounting cover 4, a processing pad 25 is clamped inside the supporting groove 32, and a plurality of heat dissipation holes 26 are formed in the top of the processing pad 25, the limiting frame 27 is fixedly installed on one side of the top end of the installing cover 4, the folding plate 28 is movably installed on one side of the limiting frame 27, two clamping hooks 29 are movably hinged to one side of the folding plate 28, the supporting plate 30 is fixedly installed on the other side of the top end of the installing cover 4, two clamping grooves 31 are formed in one side of the supporting plate 30, and the two clamping grooves 31 are respectively connected with the two clamping hooks 29 in a clamping mode.

The working principle is as follows: the silica gel pad 2 is made of silica gel, so the surface is soft, the bottom surface of the silica gel pad 2 is in contact with the mounting surface, the extrusion pressure degree of the bottom surface of the management box 1 can be reduced, the bottom surface of the management box 1 is prevented from being abraded to a large extent, the bottom surface of the mounting cover 4 is mounted with the top of the management box 1, the auxiliary block 6 can slide in the auxiliary groove 5 at will, the friction force between the auxiliary block and the auxiliary groove is large, when the auxiliary block 6 is not pressurized, the auxiliary block 6 is always kept still in the auxiliary groove 5, so that the two auxiliary blocks 6 slide relatively, the distance between the two mounting frames 7 gradually approaches to drive the two corresponding extrusion plates 9 to approach to each other, when the extrusion plates 9 move, the plurality of convex blocks 11 mounted on one side of the extrusion plates 11 are also driven to move, the plurality of convex blocks 11 are extruded to the extension plates 12, and the extension plates 12 are pressurized, the extension plates 12 will gradually move forward, the other rest 10 will also apply pressure to the other extension plates 12, the extension plates 12 will also gradually move forward, the distance between the two extension plates 12 will gradually approach, the distance between the two extension plates 12 can be adjusted, so that the device can be installed at the middle position of the two extension plates 12, the materials of the two extension plates 12 are all silica gel, which has good enough flexibility, will not cause abrasion when contacting with the device, the distance between the device and the inner wall of the management box 1 is farther, thereby avoiding the heat generated by the device being transferred to the management system, resulting in higher temperature of the surface, the space inside the management system can be effectively adjusted according to the floor area of the device, the motor 15 is started, the threaded rod 17 in transmission connection with the output shaft of the motor 15 will be driven to rotate, thereby, the auxiliary sleeve 18 which is sleeved at one end part of the threaded rod 17 by the thread is enabled to move back and forth, then the storage rack 20 is driven to move, the power switch which is arranged on the surface of the management box 1 is pressed, two micro fans 21 which are electrically connected with the power switch are driven to work, the air blown by the micro fans 21 is continuously blown to the inside of the management box 1 through the plurality of vent holes 13, the heat generated inside the management box 1 can be blown to the external environment through the heat dissipation holes 26, the heat dissipation can be carried out on different positions inside the management box 1, the heat dissipation efficiency of the management system is improved, when the extension plate 12 moves, the resisting plate 22 also slides inside the sliding groove through the two extension blocks 24, the resisting plate 22 is gradually embedded into the fixing rack 23, the two components are matched for use, the top of the component can be protected, and the abrasion caused by the direct extrusion of the external pressure and the surface of the component is avoided, the service life of the device and the management box 1 is prolonged, the folding plate 28 can move at one side of the limiting frame 27, the folding plate 28 is pulled outwards, the area of the folding plate 28 exposed in the external environment is gradually increased, the two hooks 29 are gradually close to the supporting plate 30, the two hooks 29 are embedded into the two clamping grooves 31 to be clamped, so that the folding plate 28 is limited and fixed, the bottom surface of the folding plate 28 is contacted with the surface of the processing pad 25 at the moment, the heat dissipation holes 26 can be firmly shielded, the sealing performance between the two is strong, the heat dissipation holes 26 can be timely shielded when the management box 1 is not used, the pollution of the device caused by floating of a large amount of dust into the management box 1 through the heat dissipation holes 26 is avoided, when the heat dissipation holes 26 are needed to be used, the two hooks 29 are separated from the clamping grooves 31, the folding plate 28 slides reversely, the folding plate 28 is gradually rolled up to expose the plurality of heat dissipation holes 26 to the external environment, and the plurality of heat dissipation holes 26 can dissipate heat generated inside the management box 1.

In the description of the present invention, it is to be understood that the indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings and are only for convenience in describing the present invention and simplifying the description, but are not intended to indicate or imply that the indicated devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly attached, detachably attached, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (9)

1. The utility model provides a lithium ion battery BMS management system, includes management case (1), its characterized in that, the bottom fixed mounting of management case (1) has silica gel pad (2), the positive movable hinge of management case (1) has shelves lid (3), the top movable mounting of management case (1) has installation lid (4), two auxiliary tank (5), four have all been seted up to the both sides of management case (1) inner wall the equal slidable mounting in inside of auxiliary tank (5) has auxiliary block (6), adjacent two all interlude between the inner wall of auxiliary block (6) and be connected with mounting bracket (7), two mounting groove (34), two have all been seted up to one side of mounting bracket (7) the equal fixed mounting in bottom of mounting groove (34) has two rubber pads (33), four the top of rubber pad (33) all is equipped with auxiliary plate (8), four one side of auxiliary plate (8) all is equipped with stripper plate (9).

2. The BMS management system for the lithium ion storage batteries according to claim 1, wherein the top ends of the four rubber mats (33) are respectively fixedly connected with the bottom ends of the four auxiliary plates (8), one side of each of the four auxiliary plates (8) is respectively fixedly connected with one side of each of the four pressing plates (9), the inner walls of two adjacent pressing plates (9) are respectively and alternately connected with a rest (10), and the positions of the two rest (10) correspond to each other.

3. The BMS management system for the lithium ion storage batteries according to claim 1, wherein a plurality of protrusions (11) are inserted into the other sides of the two pressing plates (9), the protrusions (11) are arranged at equal intervals, extension plates (12) are slidably mounted inside the two adjacent auxiliary grooves (5), and a plurality of vent holes (13) are formed in one sides of the two extension plates (12).

4. The BMS management system as claimed in claim 3, wherein the plurality of vent holes (13) are arranged at equal intervals, one side of one of the extension plates (12) is engaged with a stopper plate (22), and one side of the other one of the extension plates (12) is engaged with a fixing bracket (23).

5. The BMS management system for the lithium ion storage batteries according to claim 4, wherein sliding grooves are formed in both sides of the fixing frame (23), extension blocks (24) are slidably mounted in both sliding grooves, both sides of the baffle plate (22) are fixedly connected with one sides of the extension blocks (24), and the positions of the extension blocks (24) correspond to each other.

6. The BMS management system for lithium ion storage batteries according to claim 2, wherein one side of one of the auxiliary boards (8) is fixedly installed with a resting seat (14), the back of one of the resting frames (10) is fixedly installed with an extending frame (16), the top of the resting seat (14) is fixedly installed with a motor (15), and the output shaft of the motor (15) is in transmission connection with a rotating column (35).

7. The BMS management system for the lithium ion storage batteries is characterized in that one end of the rotating column (35) is rotatably connected with a threaded rod (17), one end of the threaded rod (17) is rotatably connected with one side of the extension frame (16), one end of the threaded rod (17) is provided with an auxiliary sleeve (18) in a threaded sleeve manner, the top of the auxiliary sleeve (18) is connected with a limiting column (19) in an inserting manner, and the top end of the limiting column (19) is connected with a storage frame (20) in an inserting manner.

8. The BMS management system as claimed in claim 7, wherein two processing slots (36) are opened at one side of the storage rack (20), micro fans (21) are rotatably installed in the two processing slots (36), and the two micro fans (21) are installed at corresponding positions.

9. The BMS management system for the lithium ion storage battery according to claim 1, wherein a supporting groove (32) is formed at the top end of the mounting cover (4), a processing pad (25) is clamped inside the supporting groove (32), a plurality of heat dissipation holes (26) are formed at the top end of the processing pad (25), a limiting frame (27) is fixedly mounted at one side of the top end of the mounting cover (4), a folding plate (28) is movably mounted at one side of the limiting frame (27), two hooks (29) are movably hinged at one side of the folding plate (28), a supporting plate (30) is fixedly mounted at the other side of the top end of the mounting cover (4), two clamping grooves (31) are formed at one side of the supporting plate (30), and the two clamping grooves (31) are respectively clamped and connected with the two hooks (29).

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