CN115884515A

CN115884515A - Multi-module assembled lithium battery protection board

Info

Publication number: CN115884515A
Application number: CN202310146556.0A
Authority: CN
Inventors: 黄文海
Original assignee: Shenzhen Yuesong Technology Co ltd
Current assignee: Shenzhen Yuesong Technology Co ltd
Priority date: 2023-02-22
Filing date: 2023-02-22
Publication date: 2023-03-31
Anticipated expiration: 2043-02-22
Also published as: CN115884515B

Abstract

The application relates to the technical field of lithium battery protection plates, in particular to a multi-module assembled lithium battery protection plate, which comprises a protection plate body, wherein the protection plate body is arranged on a shell frame used for clamping and fixing the protection plate body, the shell frame clamps the protection plate body through a clamp, one end of the shell frame is provided with an adapter connected with the protection plate body, and the adapter is connected with a lithium battery through a data wire and used for monitoring the lithium battery; the protection plate body is provided with a detachable electronic element module through an assembler; according to the invention, the plurality of electronic elements form the plurality of electronic element modules so as to be detachably mounted on the protection plate body, so that the electronic element modules are convenient to later repair and easy to detach during replacement, and meanwhile, the electronic element modules are required to be ensured to be electrically connected with the protection plate body, so that the problem of poor contact is prevented.

Description

Multi-module assembled lithium battery protection board

Technical Field

The application relates to the technical field of lithium battery protection boards, in particular to a multi-module assembled lithium battery protection board.

Background

The finished lithium battery mainly comprises two parts, namely a lithium battery core and a protective plate, wherein the lithium battery core mainly comprises a positive plate, a diaphragm, a negative plate and electrolyte; winding or laminating the positive plate, the diaphragm and the negative plate, packaging, filling electrolyte, and packaging to obtain a battery core; the lithium battery protection board has the functions of protecting the battery from over-discharge, over-charge and over-current and also protecting the output short circuit.

At present, the lithium battery protection board is formed by welding electronic elements on the protection board, and when the lithium battery protection board is maintained and replaced in the later period, the electronic elements are difficult to disassemble, for example, the assembled lithium battery protection board with the publication number of CN113727522B relates to the technical field of lithium batteries. The protective plate comprises a protective plate body, wherein a plurality of detachable electronic elements are assembled at the upper end of the protective plate body, four element conducting rods are arranged at the lower end of each electronic element, a plurality of groups of protective plate wiring ends are arranged at the upper end of the protective plate body, each group of protective plate wiring ends correspond to the electronic elements one by one, the number of each group of protective plate wiring ends is four, and the element conducting rods are electrically connected with the protective plate wiring ends. According to the invention, through the modularized design of the electronic element, the electronic element can be mounted and dismounted simply according to the requirements of users, and can be replaced according to the requirements of the users, so that great convenience is brought to the maintenance and use of the users, and the circuit of the lithium battery can be isolated effectively by arranging the data line connector when the lithium battery is overloaded or short-circuited, thereby greatly improving the safety of the lithium battery.

Above-mentioned prior art is through with the electronic component modularization and with its demountable installation on lithium battery protection shield, makes things convenient for the later stage to change, but the lithium cell has vibrations, rocks the scheduling problem when in-service use, appears electronic component modularization and lithium battery protection shield contact failure's problem easily to lead to the protection battery that lithium battery protection shield can not be fine not to put, not overcharge, not overflow.

Based on the above, the invention also provides a lithium battery protection plate of the electronic element module, so as to solve the problem of poor contact between the electronic element module and the lithium battery protection plate in the actual use process.

Disclosure of Invention

In order to solve the technical problem, the application provides a multi-module assembled lithium battery protection board, adopts following technical scheme:

a multi-module assembled lithium battery protection plate comprises a protection plate body, wherein the protection plate body is arranged on a shell frame used for clamping and fixing the protection plate body, the shell frame clamps the protection plate body through a clamp, one end of the shell frame is provided with an adapter connected with the protection plate body, and the adapter is connected with a lithium battery through a data wire and used for monitoring the lithium battery; the protection plate body is provided with a detachable electronic element module through an assembler;

the shell frame is of a shell structure with an opening at the upper end, the plurality of clamping devices are arranged at the corners of the shell frame and comprise a master control box and two clamping boxes connected to the master control box, the master control box is installed on the outer wall of the corner of the shell frame, the two clamping boxes are installed on the shell frame, and the two clamping boxes are distributed in an angle of 90 degrees;

the protection plate clamping device is characterized in that clamping pieces used for clamping the protection plate body are arranged in the clamping box, and a master control used for controlling the two clamping pieces to clamp the protection plate body is arranged in the master control box.

Preferably, the clamping piece comprises a v-21274type clamping plate, a clamping port is formed in the side wall of the shell frame corresponding to the clamping box, an open shell structure is arranged on one side of the clamping box facing the clamping port, the v-21274type clamping plate is arranged at the position corresponding to the clamping port, the opening of the v-21274type clamping plate faces one side horizontally deviating from the clamping port, two hinge plates are hinged to the inner side wall of the clamping box and the v-21274type clamping plate, a linkage plate for controlling the two hinge plates to synchronously rotate is hinged between the two hinge plates, a return spring for controlling the v-21274type clamping plate to move towards the clamping box is connected between the hinge plates and the inner side wall of the clamping box, a control rope is connected to the hinge plate close to one end of the main control box, and the other end of the control rope penetrates through a through hole formed in the side wall of the clamping box in a sliding manner and is connected with the main control piece;

the opposite sides of the two horizontal sections of the lifting 21274are provided with elastic clamping plates which deform towards the middle part of the lifting 21274.

Preferably, the master control piece comprises a master control shaft which is rotatably arranged in the master control box and is vertically arranged, two coiling disks are arranged on the master control shaft, the control ropes in the two clamping boxes are respectively coiled on the two coiling disks, and a through hole which is convenient for the control ropes to move is formed in the master control box; the square hole has been seted up on the master control axle upper end along its axis direction, it is provided with square strip to slide in the square hole, just the one end that square strip deviates from the master control axle is connected with total control bolt, total control bolt run through total control case and with total control case threaded connection.

Preferably, the assembler comprises a static guide piece arranged on the protection board body and a movable guide piece arranged on the electronic element module, and the movable guide piece is in plug-in fit with the static guide piece;

the static guide piece comprises a static guide base, the static guide base is arranged on the protection plate body, a static guide socket is arranged in the middle of the static guide base, and a static guide inserting ring is arranged on the outer side wall of the static guide socket;

the movable guide piece comprises a movable guide base installed on the electronic element module, a movable guide inserting block matched with the static guide socket in an inserting mode is arranged in the middle of the movable guide base, a movable guide inserting ring coaxial with the movable guide inserting block is installed on the movable guide base in a rotating mode, and the movable guide inserting ring and the static guide inserting ring are installed and connected through an inserting mechanism.

Preferably, the inserting mechanism comprises a spiral groove formed in the outer side wall of the static guide inserting ring, an inlet groove penetrating through the top of the static guide inserting ring is formed in the upper end of the spiral groove, and a vertically upward limiting groove is formed in the lower end of the spiral groove; move and lead the insert ring and be provided with the plug socket corresponding with the helicla flute, the inside one side of insert ring is seted up towards moving to the plug socket and is run through the bar hole that moves the guide insert ring lateral wall, the bar downthehole slip is provided with the grafting piece, and the one end that the grafting piece deviates from the plug socket is provided with the gag lever post, be connected with the grafting spring between grafting piece and the bar hole bottom.

Preferably, a control hole penetrating into the strip-shaped hole is formed in the outer side wall of the plug socket, a lower pressing plate is arranged in the control hole, two sides of one end, located in the control hole, of the lower pressing plate are rotatably installed in the control hole through a rotating rod, the other end of the lower pressing plate is lapped at the upper end of the plug block, and a jack is formed in one end, facing the outer side of the plug socket, of the lower pressing plate.

Preferably, the upper end of the static conductive socket is provided with a hexagonal inner through hole, and the outer side of the movable conductive plug block is of a hexagonal outer structure which is matched with the hexagonal inner through hole in an inserted manner; a conducting strip with a regular hexagon cross section is arranged in the conducting hole, the conducting strip is electrically connected with the protective plate body, and an elastic static conducting strip is circumferentially connected to the outer side wall of the top of the conducting strip; the bottom of the movable guide inserting block is provided with a movable guide hole, a movable guide ring electrically connected with the electronic element module is connected in the movable guide hole, and a plurality of elastic movable guide bars which correspond to the elastic static guide bars one by one are uniformly arranged on the inner side wall of the bottom of the movable guide ring in the circumferential direction.

Preferably, the adapter is including installing the switching frame at the type structure of returning of shell frame lateral wall, switching frame upper end is demountable installation, the butt joint hole that runs through the shell frame is seted up towards the one end of shell frame to the switching frame, be provided with back type switching seat in the switching frame, just it has back type butt joint frame to return slidable mounting in the type switching seat, the lateral wall of protection shield body just is provided with the butt joint with protection shield body electric connection to returning type butt joint frame department, just butt joint and back type butt joint frame electric connection, the one end electric connection that the type switching seat deviates from the protection shield body that returns has the adapter of being connected with data wire.

Preferably, contact recess has all been seted up to the both sides wall of returning the type adapter, be provided with the contact piece with adapter electric connection in the contact recess, just the one end that the contact piece deviates from the shell frame rotates to be connected in the contact recess, be connected with between contact piece and the contact recess and push away the spring, return and be provided with on the type abutment frame lateral wall and return type abutment frame electric connection's contact head, just contact head and contact piece conflict cooperation.

Preferably, an auxiliary frame is installed at the top of the square-shaped adapter, the bottom of the auxiliary frame penetrates through the top of the square-shaped adapter in a sliding manner, an auxiliary plate is arranged in the auxiliary frame in the sliding manner, an auxiliary spring is connected between the auxiliary plate and the inner top of the auxiliary frame, and electromagnetic sheets with opposite magnetism are respectively installed on opposite sides of the auxiliary plate and the inner top of the auxiliary frame; the auxiliary plate is provided with a plurality of limiting teeth, the limiting teeth are arranged on the matching plate, the inclined surfaces face one side of the shell frame, and the bottom of the auxiliary plate is provided with a plurality of clamping grooves, the inclined surfaces face away from one side of the shell frame, and the clamping grooves are in abutting fit with the limiting teeth.

The utility model discloses a sliding connection structure of a rotary transformer, including shape switching seat, return type adapter inside wall and be connected with the sliding block that slides and set up at the sliding groove, return type butt joint frame top and be connected with the sliding block that slides and set up at the sliding groove, be connected with the outage spring between sliding block and the sliding groove, the sliding block top is connected with the control block, just the control block slides and sets up in the direction spout that type adapter top was seted up.

In summary, the present application includes at least one of the following beneficial technical effects:

1. according to the invention, the plurality of electronic elements form the plurality of electronic element modules so as to be detachably mounted on the protection plate body, so that the electronic element modules are convenient to later repair and easy to detach during replacement, and meanwhile, the electronic element modules are required to be ensured to be electrically connected with the protection plate body, so that the problem of poor contact is prevented.

2. The lithium battery protection board is electrically connected with the lithium battery through the adapter and the data lead, and can be used for monitoring the lithium battery and timely disconnecting the electrical connection between the lithium battery and the protection board body when the lithium battery fails.

3. According to the invention, four corners of the protection plate body in the shell frame are clamped and fixed through four clampers, so that the protection plate body is stably arranged in the shell frame, wherein the v-shaped clamping plate clamps the side edge of the protection plate body through two elastic clamping plates, and the protection plate body is effectively prevented from shaking up and down in the v-shaped clamping plate 21274.

Drawings

FIG. 1 is a schematic diagram of the present invention.

Fig. 2 is a schematic view of the structure between the clamper, the protection board body and the housing frame of the present invention.

Fig. 3 is a partial enlarged view of fig. 2 a according to the present invention.

FIG. 4 is a schematic view of the construction of the clamp of the present invention.

Fig. 5 is a schematic structural view of the static guide of the present invention.

Fig. 6 is a schematic structural view of the movable guide member of the present invention.

Fig. 7 is a schematic structural view between the static guide and the dynamic guide according to the present invention.

Fig. 8 is a partial enlarged view of fig. 7 at B.

Fig. 9 is an enlarged view of a portion of the invention at C of fig. 7.

Fig. 10 is a schematic view of the adapter of the present invention.

Fig. 11 is an enlarged view of a portion of the invention at D of fig. 10.

Fig. 12 is an enlarged view of a portion of fig. 10 at E.

Description of the reference numerals: 1. a protection plate body; 2. a housing frame; 3. a clamper; 4. an adapter; 5. a data conductor; 6. an assembler; 7. an electronic component module; 31. a master control box; 32. clamping the box; 33. a clamping member; 34. a master control; 331. a v 21274; 332. a clamping opening; 333. a hinge plate; 334. a linkage plate; 335. a return spring; 336. a control cord; 337. a through hole; 338. an elastic clamping plate; 341. a master control shaft; 342. coiling a disc; 343. a through hole; 344. a square hole; 345. a square bar; 346. a turnbuckle; 61. a static guide; 62. a movable guide member; 63. a static guide base; 64. a static conductive socket; 65. a static guide insert ring; 66. a movable guide base; 67. a movable guide inserting block; 68. a movable guide inserting ring; 69. a plug-in mechanism; 691. a helical groove; 692. an inlet tank; 693. a limiting groove; 694. a socket; 695. a strip-shaped hole; 696. an insertion block; 697. a limiting rod; 698. inserting a spring; 699. a control hole; 6991. pressing the plate downwards; 6992. rotating the rod; 6993. a jack; 641. conducting holes; 642. a conducting strip; 643. an elastic static conductive strip; 671. moving the guide hole; 672. a movable guide ring; 673. an elastic movable guide bar; 41. a transfer frame; 42. a butt joint hole; 43. a clip-shaped adapter; 44. a clip-shaped butt joint frame; 45. butt joint; 46. an adapter; 431. a contact groove; 432. a contact piece; 433. pushing a spring; 441. a contact head; 47. an auxiliary frame; 471. an auxiliary plate; 472. an auxiliary spring; 473. an electromagnetic sheet; 474. a mating plate; 475. limiting teeth; 476. a card slot; 48. a sliding groove; 481. a sliding block; 482. a power-off spring; 483. a control block; 484. a guide chute.

Detailed Description

The present application is described in further detail below with reference to figures 1-12.

The first embodiment is as follows:

referring to fig. 1, the embodiment of the application discloses a multi-module assembled lithium battery protection plate, which comprises a protection plate body 1, wherein the protection plate body 1 is installed on a shell frame 2 for clamping and fixing the protection plate body 1, the shell frame 2 clamps the protection plate body 1 through a clamp 3, one end of the shell frame 2 is provided with an adapter 4 connected with the protection plate body 1, and the adapter 4 is connected with a lithium battery through a data wire 5 and used for monitoring the lithium battery; a detachable electronic element module 7 is arranged on the protective plate body 1 through an assembler 6;

a plurality of electronic element modules 7 are formed by a plurality of electronic elements so as to be detachably mounted on the protection plate body 1, so that the electronic elements are convenient to detach in later maintenance and replacement, and meanwhile, the electronic element modules 7 are required to be ensured to be electrically connected with the protection plate body 1, and the problem of poor contact is prevented; meanwhile, the electric connection between the protection board body 1 and the lithium battery is realized through the adapter 4 and the data wire 5, so that the lithium battery protection board can be used for monitoring the lithium battery, and the adapter 4 can be used for timely disconnecting the electric connection between the protection board body 1 and the lithium battery when the lithium battery fails.

The shell frame 2 is of a shell structure with an opening at the upper end, the plurality of clamping devices 3 are arranged at the corners of the shell frame 2, each clamping device 3 comprises a master control box 31 and two clamping boxes 32 connected to the master control box 31, the master control box 31 is installed on the outer wall of the corner of the shell frame 2, the two clamping boxes 32 are installed on the shell frame 2, and the two clamping boxes 32 are distributed in an angle of 90 degrees; four corners of the protection plate body 1 installed in the housing frame 2 can be clamped by the four clampers 3, and the side edges on both sides of the corner of the protection plate body 1 are clamped by the two clamping boxes 32, so that the clampers 3 can stably clamp the protection plate body 1.

Clamping pieces 33 for clamping the protection plate body 1 are arranged in the clamping box 32, and a master control piece 34 for controlling the two clamping pieces 33 to clamp the protection plate body 1 is arranged in the master control box 31.

With reference to fig. 2-4, based on the above, the clamping member 33 of the present invention includes a clamp opening 332 is formed in the side wall of the housing frame 2 corresponding to the clamping box 32, one side of the clamping box 32 facing the clamp opening 332 is an open shell structure, the clamp opening 21274331 is disposed opposite to the corresponding clamp opening 332, the opening of the clamp opening 21274331 faces a side horizontally away from the clamp opening 332, two hinge plates 333 are hinged to the inner side wall of the clamping box 32 and the clamp opening 21274331, a linkage plate 334 for controlling the two hinge plates 333 to rotate synchronously is hinged between the two hinge plates 333, a return spring 335 for controlling the movement of the clamp opening 21274331 toward the clamping box 32 is connected between the hinge plates 333 and the inner side wall of the clamping box 32, a control rope 336 is connected to the hinge plate 333 near one end of the main control box 31, and the other end of the control rope 336 penetrates through a through hole 337 formed in the side wall of the clamping box 32 facing the main control box 31 in a sliding manner and is connected to the main control member 34.

The control rope 336 is pulled by the main control 34 to move towards the main control 34, so that the two hinge plates 333 move towards the protection board body 1 under the connection of the linkage plate 334 until the side edge of the protection board body 1 is clamped on the v-21274type clamping plate 331, the clamping and positioning of the protection board body 1 are realized, and at the moment, the reset spring 335 is in a stretching state; when the protection plate body 1 needs to be taken out, the main control piece 34 runs in a reverse direction, so that the control rope 336 does not pull the hinge plates 333 any more, and then the two hinge plates 333 are driven to rotate towards the clamping box 32 under the action of the return spring 335, and then the movement of the '\ 21274type clamping plate 331 towards the clamping box 32 is realized until the side edge of the protection plate body 1 is separated from the' \ 21274.

In order to ensure that the rectangular clamping plate 331 stably clamps the protective plate body 1, the opposite sides of the two horizontal sections of the rectangular clamping plate 331 are provided with elastic clamping plates 338 which deform towards the middle part of the rectangular clamping plate 331; so that the side edge of the protection plate body 1 can be clamped and fixed by the two elastic clamping plates 338, and the problem that the protection plate body 1 shakes up and down in the v-21274.

Regarding the above-mentioned general control member 34, the general control member 34 includes a general control shaft 341 rotatably installed in the general control box 31 and vertically arranged, and two winding disks 342 are installed on the general control shaft 341, the control ropes 336 in the two clamping boxes 32 are respectively wound on the two winding disks 342, and a through hole 343 for facilitating movement of the control ropes 336 is provided in the general control box 31; the upper end of the master control shaft 341 is provided with a square hole 344 along the axial direction thereof, a square strip 345 is slidably arranged in the square hole 344, one end of the square strip 345 departing from the master control shaft 341 is connected with a master control bolt 346, and the master control bolt 346 penetrates through the master control box 31 and is in threaded connection with the master control box 31.

In a specific implementation process, when the driving v-shaped clamping plate 331 clamps the protection plate body 1, the main control bolt 346 is screwed by a wrench to drive the square strip 345 to drive the main control shaft 341 to synchronously rotate through the square hole 344, so that the two coiling disks 342 are driven to rotate, the control rope 336 starts to be coiled on the coiling disks 342, and the control rope 336 pulls the hinge plate 333 to rotate to clamp the protection plate body 1; when the protection plate body 1 needs to be taken out, the general control bolt 346 is screwed by the wrench again to rotate reversely, and then the general control shaft 341 drives the rolling disc 342 to rotate reversely, so that the control rope 336 is loosened from the rolling disc 342, and the hinge plate 333 is driven by the pull of the return spring 335 to drive the locking 21274331 to move towards the clamping box 32, so that the protection plate body 1 is separated from the locking 21274331.

Referring back to fig. 1, when a plurality of electronic component modules 7 are mounted on the protection board through the assembler 6, the assembler 6 of the present invention includes a static guide 61 mounted on the protection board body 1 and a movable guide 62 mounted on the electronic component module 7, and the movable guide 62 and the static guide 61 are inserted and fitted to electrically connect the electronic component modules 7 with the protection board body 1.

Referring to fig. 5-7, the static guiding element 61 includes a static guiding base 63, the static guiding base 63 is installed on the protection plate body 1, a static guiding socket 64 is installed in the middle of the static guiding base 63, and a static guiding insert ring 65 is installed on the outer side wall of the static guiding socket 64;

the movable guide part 62 includes a movable guide base 66 installed on the electronic component module 7, a movable guide insertion block 67 inserted and matched with the static guide socket 64 is arranged in the middle of the movable guide base 66, a movable guide insertion ring 68 coaxial with the movable guide insertion block 67 is rotatably installed on the movable guide base 66, and the movable guide insertion ring 68 and the static guide insertion ring 65 are installed and connected through an insertion mechanism 69.

In a specific implementation process, the movable guiding insertion block 67 is inserted into the static guiding socket 64, and meanwhile, the movable guiding insertion ring 68 is ensured to be sleeved on the outer side of the static guiding insertion ring 65, so that the insertion mechanism 69 fixes the movable guiding insertion on the static guiding insertion ring 65, and the electronic element module 7 is electrically connected with the protection board body 1 through the matching between the movable guiding insertion block 67 and the static guiding socket 64.

Referring to fig. 7-8, the inserting mechanism 69 includes a spiral groove 691 formed on an outer side wall of the static guiding inserting ring 65, an inlet groove 692 formed at an upper end of the spiral groove 691 and penetrating through a top of the static guiding inserting ring 65, and a vertically upward limiting groove 693 formed at a lower end of the spiral groove 691; the movable guide insert ring 68 is provided with an insert seat 694 corresponding to the spiral groove 691, one side of the insert seat 694 facing the interior of the movable guide insert ring 68 is provided with a strip-shaped hole 695 penetrating through the side wall of the movable guide insert ring 68, an insert block 696 is arranged in the strip-shaped hole 695 in a sliding mode, one end, away from the insert seat 694, of the insert block 696 is provided with a limiting rod 697, and an insert spring 698 is connected between the insert block 696 and the bottom of the strip-shaped hole 695;

firstly, the movable guide insert ring 68 is sleeved outside the static guide insert ring 65, the limiting rod 697 is aligned to the inlet groove 692, then the movable guide insert ring 68 is rotated to enable the limiting rod 697 to slide along the spiral groove 691 to realize downward movement of the movable guide insert ring 68 until the limiting rod 697 moves to the bottom of the spiral groove 691, at the moment, the limiting rod 697 is driven to slide upwards to the limiting groove 693 under the action of the insert spring 698, and then the movable guide insert ring 68 is inserted and fixed in the static guide insert ring 65.

The outer side wall of the socket 694 is provided with a control hole 699 penetrating into the strip-shaped hole 695, a lower press plate 6991 is arranged in the control hole 699, two sides of one end of the lower press plate 6991, which is positioned in the control hole 699, are rotatably installed in the control hole 699 through a rotating rod 6992, the other end of the lower press plate 6991 is lapped at the upper end of the socket block 696, and one end of the lower press plate 6991, which faces the outer side of the socket 694, is provided with a jack 6993.

When the electronic component module 7 needs to be disassembled, the electronic component module 7 is inserted into the insertion hole 6993 through the existing insertion bar, then the insertion hole 6993 is rotated upwards to drive the lower pressing plate 6991 to press the insertion block 696 downwards until the limiting rod 697 exits from the limiting groove 693, at this time, the guide insertion ring 68 is rotated reversely, and then the limiting rod 697 moves towards the inlet groove 692 along the spiral groove 691 until the limiting rod 697 moves out of the inlet groove 692, and at this time, the electronic component module 7 is disassembled.

Referring to fig. 5-7, the upper end of the static conductive socket 64 is provided with an inner hexagonal through hole 641, and the outer side of the movable conductive insertion block 67 is an outer hexagonal structure inserted and matched with the through hole 641.

Referring to fig. 7 to 9, a conductive strip 642 with a regular hexagonal cross section is disposed in the conductive hole 641, the conductive strip 642 is electrically connected to the protective plate body 1, and an elastic static conductive strip 643 is circumferentially connected to an outer side wall of a top of the conductive strip 642; the bottom of the movable guide insertion block 67 is provided with a movable guide hole 671, the movable guide hole 671 is internally connected with a movable guide ring 672 electrically connected with the electronic element module 7, and a plurality of elastic movable guide bars 673 corresponding to the elastic static guide bars 643 one by one are uniformly arranged on the circumferential direction of the inner side wall of the bottom of the movable guide ring 672.

When the insertion block 696 is inserted into the through hole 641 of the static guide socket 64, the through strip 642 drives the elastic guide strip to be inserted into the movable guide ring 672, and the elastic static guide strip 643 contacts the elastic movable guide strip 673 as the movable insertion block 67 moves downwards continuously, and the elastic static guide strip 643 and the elastic movable guide strip 673 are both deformed to ensure that the elastic static guide strip 643 and the elastic movable guide strip 673 are always in contact, and the through strip 642 and the movable guide ring 672 are always in electrical contact, so as to prevent the problem of poor contact between the electronic component module 7 and the protective plate body 1.

The second embodiment:

on the basis of the first embodiment, the connection between the protection board body 1 and the lithium battery is realized through the adapter 4; specifically, referring to fig. 10-12, the adaptor 4 includes a clip frame 41 of a clip structure mounted on the side wall of the housing frame 2, the upper end of the clip frame 41 is detachably mounted, a docking hole 42 penetrating through the housing frame 2 is formed at one end of the clip frame 41 facing the housing frame 2, a clip adapter 43 is disposed in the clip frame 41, a clip adapter 44 is slidably mounted in the clip adapter 43, a docking connector 45 electrically connected to the protection board body 1 is disposed on the side wall of the protection board body 1 and facing the clip adapter 44, the docking connector 45 is electrically connected to the clip adapter 44, and an end of the clip adapter 43 facing away from the protection board body 1 is electrically connected to a connector 46 connected to the data wire 5.

In the concrete implementation process, at first place protection shield body 1 in shell frame 2, then promote protection shield body 1 so that butt joint 45 passes in butt joint hole 42 and arranges in returning type adapter 43, later promote returning type to butt joint frame 44 so that butt joint 45 and returning type to butt joint frame 44 peg graft the cooperation, and realize the electric connection of the two, realize the electric connection of adapter 46 and lithium cell through data wire 5 this moment, and then realize the electric connection with protection shield body 1 through returning type to butt joint frame 44 and butt joint 45, so that protection shield body 1 real-time supervision lithium cell, when the lithium cell breaks down, returning type to butt joint frame 44 and butt joint 45 break away from electric contact, in order to the protection to protection shield body 1, protection shield body 1 goes out information transfer simultaneously.

Contact grooves 431 are formed in two side walls of the clip adapter 43, a contact piece 432 electrically connected with the adapter 46 is arranged in each contact groove 431, one end, deviating from the shell frame 2, of each contact piece 432 is rotatably connected into each contact groove 431, a pushing spring 433 is connected between each contact piece 432 and each contact groove 431, a contact head 441 electrically connected with the clip 44 is arranged on the outer side wall of the clip 44, and each contact head 441 is in abutting fit with each contact piece 432; the contact 432 is driven to always abut against the contact 441 under the action of the pushing spring 433, so as to ensure the electrical connection therebetween.

An auxiliary frame 47 is installed at the top of the square-shaped adapter 43, the bottom in the auxiliary frame 47 penetrates through the top of the square-shaped adapter 43 in a sliding manner, an auxiliary plate 471 is arranged in the auxiliary frame 47 in the sliding manner, an auxiliary spring 472 is connected between the auxiliary plate 471 and the inner top of the auxiliary frame 47, and electromagnetic plates 473 with opposite magnetism are respectively installed at opposite sides of the auxiliary plate 471 and the inner top of the auxiliary frame 47; a matching plate 474 is arranged at the top of the square butt joint frame 44 and opposite to the auxiliary plate 471, a plurality of limiting teeth 475 with inclined surfaces facing one side of the housing frame 2 are arranged on the matching plate 474, and a plurality of clamping grooves 476 with inclined surfaces departing from one side of the housing frame 2 and in interference fit with the limiting teeth 475 are arranged at the bottom of the auxiliary plate 471.

The shape of returning the style of calligraphy keysets 43 inside wall has seted up sliding groove 48, and the shape of returning the style of calligraphy to butt joint frame 44 top is connected with the sliding block 481 of sliding setting in sliding groove 48, is connected with outage spring 482 between sliding block 481 and the sliding groove 48, and sliding block 481 top is connected with control block 483, and control block 483 slides and sets up in the direction spout 484 that type of returning the style of calligraphy to butt joint frame 41 top was seted up.

In the specific implementation process, the control block 483 pushes the sliding block 481 to move so that the square-shaped docking frame 44 moves towards the docking head 45 until the docking head 45 is inserted into the square-shaped docking frame 44, in the process, the auxiliary plate 471 is driven to move up and down in a reciprocating manner due to the interference fit between the limiting teeth 475 and the clamping grooves 476, and after the docking is completed, the clamping grooves 476 limit the movement of the limiting teeth 475, so that the movement of the square-shaped docking frame 44 is limited; when the lithium battery is faulty, the electromagnetic plate 473 is energized to pull the auxiliary plate 471 to move upward, so that the locking slot 476 is separated from the limiting tooth 475, so as to drive the docking frame 44 to return to the initial position under the action of the power-off spring 482, and the docking head 45 is electrically disconnected from the docking frame 44.

The embodiments of the present invention are all preferred embodiments of the present invention, and the scope of the present invention is not limited thereby, so: equivalent changes made according to the structure, shape and principle of the invention shall be covered by the protection scope of the invention.

Claims

1. The utility model provides an assembled lithium cell protection shield of multimode, includes protection shield body (1), its characterized in that: the protection plate body (1) is arranged on a shell frame (2) used for clamping and fixing the protection plate body (1), the shell frame (2) clamps the protection plate body (1) through a clamp (3), one end of the shell frame (2) is provided with an adapter (4) connected with the protection plate body (1), and the adapter (4) is connected with a lithium battery through a data wire (5) and used for monitoring the lithium battery; a detachable electronic element module (7) is arranged on the protective plate body (1) through an assembler (6); the shell frame (2) is of a shell structure with an opening at the upper end, the plurality of clamping devices (3) are arranged at the corners of the shell frame (2), each clamping device (3) comprises a master control box (31) and two clamping boxes (32) connected to the master control box (31), the master control boxes (31) are arranged on the outer walls of the corners of the shell frame (2), the two clamping boxes (32) are arranged on the shell frame (2), and the two clamping boxes (32) are distributed in an angle of 90 degrees; clamping pieces (33) used for clamping the protection plate body (1) are arranged in the clamping box (32), and a master control piece (34) used for controlling the two clamping pieces (33) to clamp the protection plate body (1) is arranged in the master control box (31).

2. The multi-module assembled lithium battery protection plate as claimed in claim 1, wherein: the clamping piece (33) comprises a clamp opening (332), the side wall of the shell frame (2) is provided with a clamp opening (332) corresponding to the clamping box (32), one side of the clamping box (32) facing the clamp opening (332) is of an open shell structure, the clamp opening (332) is opposite to the clamp opening (332), the opening of the clamp opening (331) faces the side horizontally away from the clamp opening (332), the inner side wall of the clamping box (32) and one side wall of the clamp opening (331) are hinged with two hinge plates (333), a linkage plate (334) for controlling the hinge plates (333) to rotate synchronously is hinged between the two hinge plates (333), a return spring (335) for controlling the clamp opening (331) to move towards the clamping box (32) is connected between the hinge plates (333) and the inner side wall of the clamping box (32), a rope control (336) is connected to the side wall of the general control box (31), and the other end of the general control box (336) is connected with a sliding hole (31) through the general control box (34); the opposite sides of the two horizontal sections of the v-shaped clamping plate (331) are provided with elastic clamping plates (338) which deform towards the middle of the v-shaped clamping plate (331).

3. The protection plate for a multi-module assembled lithium battery as claimed in claim 2, wherein: the main control part (34) comprises a main control shaft (341) which is rotatably arranged in a main control box (31) and is vertically arranged, two coiling disks (342) are arranged on the main control shaft (341), control ropes (336) in the two clamping boxes (32) are respectively coiled on the two coiling disks (342), and a through hole (343) which is convenient for the control ropes (336) to move is formed in the main control box (31); the general control shaft (341) upper end has seted up quad slit (344) on its axis direction, it is provided with square strip (345) to slide in quad slit (344), just one end that square strip (345) deviates from general control shaft (341) is connected with general control bolt (346), general control bolt (346) run through general control case (31) and with general control case (31) threaded connection.

4. The protection plate for a multi-module assembled lithium battery as claimed in claim 1, wherein: the assembler (6) comprises a static guide piece (61) arranged on the protective plate body (1) and a movable guide piece (62) arranged on the electronic element module (7), and the movable guide piece (62) is in plug-in fit with the static guide piece (61); the static guide piece (61) comprises a static guide base (63), the static guide base (63) is installed on the protection plate body (1), a static guide socket (64) is installed in the middle of the static guide base (63), and a static guide inserting ring (65) is arranged on the outer side wall of the static guide socket (64); move guide member (62) including installing and leading base (66) that moves on electronic component module (7), it leads inserted block (67) to move guide base (66) middle part to be provided with quiet socket (64) of leading of pegging graft the complex mutually, just move guide base (66) and rotate and install and move and lead inserted block (67) with moving of axle center and lead inserted ring (68), move and lead inserted ring (68) and quiet and lead inserted ring (65) and pass through grafting mechanism (69) erection joint.

5. The protection plate for a multi-module assembled lithium battery as claimed in claim 4, wherein: the inserting mechanism (69) comprises a spiral groove (691) formed in the outer side wall of the static guide inserting ring (65), an inlet groove (692) penetrating through the top of the static guide inserting ring (65) is formed in the upper end of the spiral groove (691), and a limit groove (693) which is vertically upward is formed in the lower end of the spiral groove (691); move and lead inserting ring (68) and be provided with plug socket (694) corresponding with helicla flute (691), plug socket (694) is seted up towards moving inside one side of leading inserting ring (68) and is run through bar hole (695) that moves leading inserting ring (68) lateral wall, it is provided with grafting piece (696) to slide in bar hole (695), and grafting piece (696) deviates from the one end of plug socket (694) and is provided with gag lever post (697), be connected with grafting spring (698) between grafting piece (696) and bar hole (695) bottom.

6. The protection plate for a multi-module assembled lithium battery as claimed in claim 5, wherein: the plug socket (694) is provided with on the lateral wall and runs through control hole (699) to in the bar hole (695), be provided with holding down plate (6991) in the control hole (699), both sides that holding down plate (6991) are located control hole (699) one end are installed in control hole (699) through dwang (6992) rotation, the upper end at plug block (696) is taken to the other end of holding down plate (6991), jack (6993) have been seted up to the one end in plug socket (694) outside in holding down plate (6991).

7. The protection plate for a multi-module assembled lithium battery as claimed in claim 4, wherein: the upper end of the static conductive socket (64) is provided with a through hole (641) with an inner hexagon, and the outer side of the movable conductive insertion block (67) is of an outer hexagon structure which is matched with the through hole (641) in an inserted manner; a conducting strip (642) with a regular hexagonal cross section is arranged in the conducting hole (641), the conducting strip (642) is electrically connected with the protection plate body (1), and an elastic static conducting strip (643) is circumferentially connected to the outer side wall of the top of the conducting strip (642); move guide block (67) bottom and seted up and move guide hole (671), move guide hole (671) in-connection have with electronic component module (7) electric connection move guide ring (672), move guide ring (672) bottom inside wall circumference and evenly be provided with a plurality of elasticity with elasticity static guide strip (643) one-to-one and move guide strip (673).

8. The protection plate for a multi-module assembled lithium battery as claimed in claim 1, wherein: adapter (4) including installing switching frame (41) at the type structure of returning of shell frame (2) lateral wall, switching frame (41) upper end is demountable installation, switching frame (41) are offered butt joint hole (42) that runs through shell frame (2) towards the one end of shell frame (2), be provided with back type switching seat (43) in switching frame (41), just it has back type butt joint frame (44) to return type switching seat (43) slidable mounting, the lateral wall of protection shield body (1) just is being provided with butt joint (45) with protection shield body (1) electric connection to back type butt joint frame (44) department, just butt joint (45) and back type butt joint frame (44) electric connection, the one end electric connection that back type switching seat (43) deviates from body (1) has adapter (46) of being connected with data wire (5).

9. The multi-module assembled lithium battery protection plate as claimed in claim 8, wherein: contact recess (431) have all been seted up to the both sides wall of type adapter (43), be provided with in contact recess (431) with adapter (46) electric connection's contact piece (432), just one end that contact piece (432) deviate from shell frame (2) is rotated and is connected in contact recess (431), be connected with between contact piece (432) and contact recess (431) and push away spring (433), be provided with on type interface box (44) the lateral wall back with type interface box (44) electric connection's contact head (441), just contact head (441) contradict the cooperation with contact piece (432).

10. The protection plate for a multi-module assembled lithium battery as claimed in claim 8, wherein: an auxiliary frame (47) is installed at the top of the square-shaped adapter (43), the bottom in the auxiliary frame (47) penetrates through the top of the square-shaped adapter (43) in a sliding manner, an auxiliary plate (471) is arranged in the auxiliary frame (47) in the sliding manner, an auxiliary spring (472) is connected between the auxiliary plate (471) and the inner top of the auxiliary frame (47), and electromagnetic plates (473) with opposite magnetism are installed on opposite sides of the inner tops of the auxiliary plate (471) and the auxiliary frame (47); a matching plate (474) is arranged at the top of the square butt joint frame (44) and opposite to the auxiliary plate (471), a plurality of limiting teeth (475) with inclined surfaces facing one side of the shell frame (2) are arranged on the matching plate (474), and a plurality of clamping grooves (476) with inclined surfaces departing from one side of the shell frame (2) and in interference fit with the limiting teeth (475) are formed in the bottom of the auxiliary plate (471); slip groove (48) have been seted up to back type adapter (43) inside wall, it sets up sliding block (481) in slip groove (48) to return type butt joint frame (44) top connection, sliding block (481) and sliding groove (48) between be connected with outage spring (482), sliding block (481) top is connected with control block (483), just control block (483) slide and set up in the direction spout (484) that return type butt joint frame (41) top was seted up.