CN220774611U - Mining flame-proof type lithium ion battery power supply - Google Patents

Abstract

The utility model discloses a mining explosion-proof lithium ion storage battery power supply, which relates to the technical field of lithium ion storage batteries and comprises an explosion-proof box body, wherein a lithium battery pack is arranged in the explosion-proof box body, the top end of the explosion-proof box body is connected with a box cover in a sliding manner, two fixing grooves are formed in two sides of the box cover, a fixing assembly is arranged on one side of the box cover and comprises a connecting pipe, a protection assembly and a positioning shell, and the connecting pipe is arranged on the inner wall of the explosion-proof box body; the beneficial effects of the utility model are as follows: the two-way screw rod is rotated, the two-way screw rod drives the four fixing blocks to move through the two moving frames, finally the four fixing blocks are caused to clamp and prop against the box cover, the box cover is fixed, the two-way screw rod is quite convenient to rotate reversely, the four fixing blocks are caused to retract into the inner parts of the four sliding grooves, the fixing of the box cover is relieved, a plurality of bolts are not required to be disassembled, time and labor are saved, and the overhaul efficiency is improved.

Description

Mining flame-proof type lithium ion battery power supply

Technical Field

The utility model relates to a lithium ion storage battery power supply, in particular to a mining explosion-proof lithium ion storage battery power supply, and belongs to the technical field of lithium ion storage batteries.

Background

Along with the improvement of the coal mining technology level, a mining power supply is widely applied, and the mining flame-proof type lithium ion storage battery power supply used by most of mining equipment at present is a rechargeable battery which mainly depends on lithium ions to move between an anode and a cathode to work. The mining power supply needs to adopt an explosion-proof measure, and the circuit is isolated from the surrounding environment by using an isolating measure structurally, so that heat generated by the circuit in normal operation and electric sparks and high temperature formed in fault are limited in a sealed shell, and flammable and explosive gas around the outer part of the equipment shell is prevented from being ignited.

The utility model discloses a "mining flame-proof type lithium ion battery power supply" with application number of CN201820530764.5, it "includes the power supply shell and sets up the inside first baffle of power supply shell, first baffle is with the inside separation of power supply shell is battery chamber, control chamber and wiring chamber, the battery chamber embeds there is battery module, the control chamber embeds there is battery management system, the wiring intracavity embeds external cable, the battery chamber still embeds there is extinguishing device. The fire extinguishing device is arranged in the battery cavity, so that even if the battery module in the battery cavity leaks liquid to cause combustion, the fire extinguishing device can timely extinguish sparks, the condition that the storage battery power supply explodes due to the combustion of the battery module is avoided, the safety is greatly improved, the mining flame-proof type lithium ion storage battery power supply disclosed by the application number CN202020391082.8 is found through further search, the mining flame-proof type lithium ion storage battery power supply comprises a flame-proof type box body and a box cover arranged at the top end of the flame-proof type box body, a power supply cavity, a switch cavity and a wiring cavity are arranged in the flame-proof type box body, a cable introducing device is arranged on the side face of the wiring cavity, a lithium ion storage battery is arranged in the power supply cavity, an intrinsic safety wiring cavity is additionally arranged in the flame-proof type box body, and a switch control circuit board is arranged in the switch cavity. The utility model is additionally provided with the intrinsic safety wiring cavity and the switch control circuit board, the switch control circuit board sends intrinsic safety signals to be input and output from the intrinsic safety wiring cavity through the through-wall terminal, so that the intrinsic safety signal is further controlled to be output from the explosion-proof wiring cavity, and the lithium ion battery current can be intensively controlled on all explosion-proof electric equipment on the mining explosion-proof diesel locomotive, so that an explosion-proof switch control box or an explosion-proof control panel is not required to be additionally arranged, the structure is compact, the space of a cab is greatly saved, and the operation of a driver is facilitated.

However, the two mining flameproof lithium ion battery power supplies have the following defects: the case lid of explosion-proof type box is opened through dismantling the bolt when the maintenance, need precession bolt fastening case lid again after the maintenance finishes, and the quantity of bolt is many, therefore the case lid is dismantled and the installation is all wasted time and energy, reduces maintenance efficiency.

Disclosure of Invention

The utility model aims to provide a mining flame-proof type lithium ion battery power supply, which aims to solve the problems that a plurality of bolts are required to be disassembled when a box cover is disassembled and assembled, so that time and labor are wasted and the overhaul efficiency is reduced in the conventional mining flame-proof type lithium ion battery power supply.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a mining flame proof type lithium ion battery power, includes the flame proof type box, the inside of flame proof type box is equipped with the lithium cell group, the top sliding connection of flame proof type box has the case lid, two fixed slots have all been seted up to the both sides of case lid, case lid one side is equipped with fixed subassembly, fixed subassembly includes connecting pipe, protection subassembly and positioning shell, the connecting pipe sets up the inner wall at the flame proof type box, the inner wall of connecting pipe is connected with two-way lead screw through the bearing rotation, two moving rack is had through lead screw nut threaded connection to the surface of two moving rack's one side all is equipped with two fixed blocks with fixed slot looks block, two positioning shell sets up the surface at the flame proof type box respectively.

Preferably, the front and the back of two positioning shells are provided with positioning blocks, the surfaces of four positioning blocks are in sliding connection with the surface of the box cover, the contact parts of the two positioning shells and the bidirectional screw rod are in rotating connection through bearings, the surfaces of the two positioning shells are provided with sliding grooves which are in sliding connection with the fixed blocks, one side of each positioning shell is in sliding connection with two sides of the box cover, and one end of the bidirectional screw rod penetrates through the inner wall of the other side of one positioning shell and is provided with a rotary table.

Preferably, the protection subassembly includes shield shell, spacing subassembly and two guide ways, the shield shell sets up the surface at one of them positioning shell, the outside at the carousel is established to the shield shell cover, logical groove has been seted up on the surface of shield shell, the inner wall sliding connection of shield shell has the closing plate, one side of closing plate is equipped with two guide blocks, two all be equipped with the spring between guide block and the shield shell, two the guide way is all seted up at the inner wall of shield shell, two the inner wall of guide way respectively with the surface sliding connection of two guide blocks.

Preferably, a handle is arranged on one side of the sealing plate, and an anti-skid sleeve is arranged on the surface of the handle.

Preferably, the limiting assembly comprises a transmission frame and a limiting groove, the transmission frame is arranged on the other side of the sealing plate, a limiting plate is arranged on the surface of the transmission frame, the limiting groove is formed in the surface of the rotary table, and the inner wall of the limiting groove is in sliding connection with the surface of the limiting plate.

Preferably, a separation plate is arranged between the explosion-proof box body and the connecting pipe, and a wiring terminal electrically connected with the lithium battery pack is arranged on the front surface of the explosion-proof box body.

Preferably, the back of the separation plate is respectively provided with a relay protector electrically connected with the lithium battery pack and a circuit breaker connected with the relay protector in series, and the front of the separation plate is connected with the back of the lithium battery pack.

Compared with the related art, the mining flameproof lithium ion storage battery power supply provided by the utility model has the following beneficial effects:

1. the two-way screw rod is rotated, the two-way screw rod drives the four fixed blocks to move through the two moving frames, finally, the four fixed blocks are caused to clamp and prop against the box cover, the box cover is fixed, the two-way screw rod is quite convenient to rotate reversely, the four fixed blocks are caused to retract into the four sliding grooves, the fixing of the box cover is relieved, a plurality of bolts are not required to be disassembled, time and labor are saved, and the overhaul efficiency is improved;

2. after the box cover is installed, the handle is loosened, the two springs are stretched and the sealing plate is promoted to restore to the original position, the protecting shell is matched with the sealing plate, so that the turntable can be isolated from the surrounding environment, the situation that the fixing block is released to fix the box cover due to the fact that the turntable is touched by mistake is avoided, and the box cover is safer;

3. after the installation of the box cover is completed, the limiting groove can be aligned with the limiting plate, the sealing plate can drive the transmission frame to move when moving, the limiting plate is promoted to be clamped into the limiting groove, the limiting plate can prevent the rotating disc and the bidirectional screw rod from rotating, and the fixing effect of the fixing block on the box cover is consolidated.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

FIG. 3 is a second schematic cross-sectional view of the present utility model;

fig. 4 is an enlarged schematic view of the structure of fig. 3 at a.

In the figure: 1. an explosion-proof box body; 2. a lithium battery pack; 3. a case cover; 4. a fixing groove; 5. a fixing assembly; 51. a connecting pipe; 52. positioning a shell; 53. a two-way screw rod; 54. a moving rack; 55. a fixed block; 6. a protective assembly; 61. a protective shell; 62. a guide groove; 63. a through groove; 64. a sealing plate; 65. a guide block; 66. a spring; 7. a limit component; 71. a transmission frame; 72. a limit groove; 73. a limiting plate; 8. a positioning block; 9. a turntable; 10. a handle; 11. a partition plate; 12. and a connection terminal.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1:

referring to fig. 1-4, the utility model provides a mining explosion-proof lithium ion storage battery power supply, which comprises an explosion-proof box body 1, wherein a lithium battery pack 2 is arranged in the explosion-proof box body 1, the top end of the explosion-proof box body 1 is slidably connected with a box cover 3, two fixing grooves 4 are formed in two sides of the box cover 3, a fixing component 5 is arranged on one side of the box cover 3, the explosion-proof box body 1 is attached to the box cover 3 to isolate the lithium battery pack 2 from the surrounding environment, and flammable and explosive gas outside the explosion-proof box body 1 is prevented from being ignited when the lithium battery pack 2 fails, so that explosion suppression is realized;

a partition plate 11 is arranged between the explosion-proof box body 1 and the connecting pipe 51, a wiring terminal 12 electrically connected with the lithium battery pack 2 is arranged on the front surface of the explosion-proof box body 1, and the number of contacts of the wiring terminal 12 is six and comprises one contact for charging and five contacts for discharging;

the back of the separation plate 11 is respectively provided with a relay protector electrically connected with the lithium battery pack 2 and a breaker connected with the relay protector in series, the front of the separation plate 11 is connected with the back of the lithium battery pack 2, when the lithium battery pack 2 fails, the current in a loop is greatly increased, the voltage near the failure is greatly reduced, the failure current or voltage is sent into the relay protector through a current transformer or a voltage transformer, when the failure current or voltage reaches a preset value, the relay protector acts, trip signals are sent to the breaker, and the trip signals are rapidly disconnected, so that the protection effect on equipment and a system is achieved, and the explosion of the lithium battery pack 2 is prevented;

referring to fig. 1-4, the utility model provides a mining explosion-proof lithium ion battery power supply, which further comprises a fixing component 5, wherein the fixing component 5 comprises a connecting pipe 51, a protection component 6 and a positioning shell 52, the connecting pipe 51 is arranged on the inner wall of an explosion-proof box body 1, the inner wall of the connecting pipe 51 is rotatably connected with a bidirectional screw rod 53 through a bearing, the surface of the bidirectional screw rod 53 is in threaded connection with two movable frames 54 through screw rod nuts, one side of each movable frame 54 is provided with two fixing blocks 55 which are clamped with a fixing groove 4, and the two positioning shells 52 are respectively arranged on the surface of the explosion-proof box body 1;

the front and back of the two positioning shells 52 are provided with positioning blocks 8, the surfaces of the four positioning blocks 8 are in sliding connection with the surface of the box cover 3, the contact parts of the two positioning shells 52 and the bidirectional screw rod 53 are in rotating connection through bearings, the surfaces of the two positioning shells 52 are provided with sliding grooves which slide with the fixed blocks 55, one side of the two positioning shells 52 is respectively in sliding connection with two sides of the box cover 3, one end of the bidirectional screw rod 53 penetrates through the inner wall of the other side of one positioning shell 52 and is provided with a turntable 9, the four positioning blocks 8 are matched with the two positioning shells 52, the moving box cover 3 can be positioned, the four fixed grooves 4 on the surfaces of the positioning blocks are respectively aligned with the four fixed blocks 55, the installation efficiency is improved, further, the surfaces of the positioning blocks 8 are provided with inclined planes, horizontal component force can be generated on the box cover 3 when the inclined planes of the positioning blocks 8 are attached to the inclined planes of the box cover 3 to move, and the positioning effect is improved;

specifically, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, the turntable 9 is rotated first, the turntable 9 drives the bidirectional screw rod 53 to rotate, the bidirectional screw rod 53 drives the two moving frames 54 to move, the two moving frames 54 push the four fixing blocks 55 to move, the four fixing blocks 55 are caused to slide into the four fixing grooves 4, the four fixing blocks 55 clamp the case cover 3 and abut against the case cover 3 in the vertical direction, the case cover 3 is fixed, the case cover 3 is very convenient to achieve, when the case cover 3 is required to be disassembled for overhauling the lithium battery pack 2, the turntable 9 or the bidirectional screw rod 53 is reversely rotated, the bidirectional screw rod 53 drives the four fixing blocks 55 to move through the two moving frames 54, the four fixing blocks 55 are separated from the four fixing grooves 4 and retract into the four sliding grooves, the fixing of the case cover 3 is relieved, a plurality of bolts are not required to be disassembled, time and labor are saved, and overhauling efficiency is improved.

Example 2:

the protection component 6 comprises a protection shell 61, a limit component 7 and two guide grooves 62, wherein the protection shell 61 is arranged on the surface of one of the positioning shells 52, the protection shell 61 is sleeved outside the turntable 9, a through groove 63 is formed in the surface of the protection shell 61, a sealing plate 64 is slidably connected to the inner wall of the protection shell 61, two guide blocks 65 are arranged on one side of the sealing plate 64, springs 66 are arranged between the two guide blocks 65 and the protection shell 61, the two guide grooves 62 are formed in the inner wall of the protection shell 61, and the inner walls of the two guide grooves 62 are slidably connected with the surfaces of the two guide blocks 65 respectively;

a handle 10 is arranged on one side of the sealing plate 64, an anti-slip sleeve is arranged on the surface of the handle 10, the handle 10 is convenient for pulling the sealing plate 64 downwards, and the anti-slip sleeve is prevented from slipping;

specifically, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, the protecting shell 61 and the sealing plate 64 cooperate to isolate the turntable 9 from the surrounding environment, so that the situation that the fixing block 55 is released to fix the box cover 3 due to the mistaken touching of the turntable 9 is avoided, the safety is improved, dust in a mine cavity is prevented from accumulating on the surface of the turntable 9 to affect the rotation of the turntable 9, when the turntable 9 needs to be rotated, the handle 10 is pushed downwards, the handle 10 drives the sealing plate 64 to move, the sealing plate 64 drives the two guide blocks 65 to move, the two guide blocks 65 compress the two springs 66 until the guide blocks 65 are propped against the guide grooves 62, at the moment, the sealing plate 64 cannot shield the through grooves 63, then a hand is stretched into the protecting shell 61 to rotate the turntable 9, the hand is pulled back and the handle 10 is loosened after the adjustment is finished, and the two springs 66 are stretched to enable the sealing plate 64 to recover to be in the original position, so that the turntable 9 is isolated from the surrounding environment.

Example 3:

the limiting assembly 7 comprises a transmission frame 71 and limiting grooves 72, the transmission frame 71 is arranged on the other side of the sealing plate 64, limiting plates 73 are arranged on the surface of the transmission frame 71, a preset number of limiting grooves 72 are uniformly formed in the surface of the turntable 9, and the inner walls of the limiting grooves 72 are in sliding connection with the surfaces of the limiting plates 73;

specifically, as shown in fig. 3 and 4, when the sealing plate 64 moves downward, the driving frame 71 is driven by the driving frame 71 to move, the limiting plate 73 is separated from the limiting groove 72, the limiting of the turntable 9 is released, after the installation of the box cover 3 is completed, the limiting groove 72 is aligned with the limiting plate 73, when the sealing plate 64 returns to the original position, the driving frame 71 is driven to move, the limiting plate 73 is driven to be clamped into the limiting groove 72, the rotation of the turntable 9 and the bidirectional screw rod 53 is blocked, and the fixing effect of the fixing block 55 on the box cover 3 is consolidated.

During the use, the laminating of flameproof box 1 and case lid 3 impels to separate lithium cell group 2 with surrounding environment, avoid lithium cell group 2 to ignite the outside inflammable and explosive gas of flameproof box 1 when the trouble, realize the flameproof, four fixed blocks 55 slide into the inside of four fixed slots 4, four fixed blocks 55 grip case lid 3 to can support case lid 3 in vertical direction, realize the fixed of case lid 3, limiting plate 73 card goes into spacing groove 72, hinders the rotation of carousel 9 and two-way lead screw 53, consolidates the fixed effect of fixed block 55 to case lid 3.

When the lithium battery pack 2 needs to be overhauled, the handle 10 is pushed downwards firstly, the handle 10 can drive the sealing plate 64 to move, the sealing plate 64 can drive the two guide blocks 65 to move, the two guide blocks 65 compress the two springs 66 until the guide blocks 65 are propped against the guide grooves 62, at the moment, the sealing plate 64 cannot shield the through grooves 63, then hands extend into the protective shell 61 and reversely rotate the turntable 9, the bidirectional screw rod 53 drives the four fixing blocks 55 to move through the two moving frames 54, so that the four fixing blocks 55 are separated from the four fixing grooves 4 and retract into the four sliding grooves, the fixing of the box cover 3 is relieved, a plurality of bolts are not required to be disassembled, time and labor are saved, and overhauling efficiency is improved.

After the maintenance is finished, the case cover 3 needs to be installed, the case cover 3 is firstly moved downwards, the four positioning blocks 8 are matched with the two positioning shells 52, the moved case cover 3 can be positioned, the four fixing grooves 4 on the surface of the case cover 3 are respectively aligned with the four fixing blocks 55, the installation efficiency is improved, then the turntable 9 is rotated, the turntable 9 drives the bidirectional screw rod 53 to rotate, the bidirectional screw rod 53 drives the two moving frames 54 to move, the two moving frames 54 can push the four fixing blocks 55 to move, the four fixing blocks 55 slide into the four fixing grooves 4, the case cover 3 is clamped by the four fixing blocks 55, the case cover 3 can be propped against the case cover 3 in the vertical direction, the case cover 3 is fixed, the case cover 3 is very conveniently pulled back by hands and the handle 10 is loosened, the two springs 66 are stretched to enable the sealing plate 64 to recover to be in place, and the turntable 9 is isolated from the surrounding environment.

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

Claims (7)

1. The utility model provides a mining flame proof type lithium ion battery power, includes flame proof type box (1), its characterized in that, the inside of flame proof type box (1) is equipped with lithium cell group (2), the top sliding connection of flame proof type box (1) has case lid (3), two fixed slots (4) have all been seted up to the both sides of case lid (3), case lid (3) one side is equipped with fixed subassembly (5), fixed subassembly (5) include connecting pipe (51), protection subassembly (6) and positioning shell (52), connecting pipe (51) set up the inner wall at flame proof type box (1), the inner wall of connecting pipe (51) is connected with two-way lead screw (53) through the bearing rotation, the surface of two-way lead screw (53) has two movable frame (54) through lead screw nut threaded connection, two one side of movable frame (54) all is equipped with two fixed blocks (55) with fixed slot (4) looks block, two positioning shell (52) set up respectively at the surface of flame proof type box (1).

2. The mining explosion-proof lithium ion battery power supply according to claim 1, wherein: the front and the back of two positioning shell (52) all are equipped with locating piece (8), four the surface of locating piece (8) all with the surface sliding connection of case lid (3), two the contact portion of positioning shell (52) and two-way lead screw (53) all rotates through the bearing and is connected, two the spout that slides mutually with fixed block (55) has all been seted up on the surface of positioning shell (52), two one side of positioning shell (52) respectively with the both sides sliding connection of case lid (3), the inner wall of one of them positioning shell (52) opposite side is run through to the one end of two-way lead screw (53) and is equipped with carousel (9).

3. The mining explosion-proof lithium ion battery power supply according to claim 2, wherein: the protection subassembly (6) is including protecting crust (61), spacing subassembly (7) and two guide way (62), protecting crust (61) set up the surface at one of them positioning shell (52), protecting crust (61) cover is established in the outside of carousel (9), logical groove (63) have been seted up on the surface of protecting crust (61), the inner wall sliding connection of protecting crust (61) has closing plate (64), one side of closing plate (64) is equipped with two guide blocks (65), two all be equipped with spring (66) between guide block (65) and protecting crust (61), two the inner wall at protecting crust (61) is all seted up in guide way (62), two the inner wall of guide way (62) respectively with the surface sliding connection of two guide blocks (65).

4. A mining flameproof lithium ion battery power supply according to claim 3, wherein: one side of the sealing plate (64) is provided with a handle (10), and the surface of the handle (10) is provided with an anti-skid sleeve.

5. A mining flameproof lithium ion battery power supply according to claim 3, wherein: the limiting assembly (7) comprises a transmission frame (71) and a limiting groove (72), the transmission frame (71) is arranged on the other side of the sealing plate (64), a limiting plate (73) is arranged on the surface of the transmission frame (71), the limiting groove (72) is formed in the surface of the rotary table (9), and the inner wall of the limiting groove (72) is in sliding connection with the surface of the limiting plate (73).

6. The mining explosion-proof lithium ion battery power supply according to claim 1, wherein: a separation plate (11) is arranged between the explosion-proof box body (1) and the connecting pipe (51), and a wiring terminal (12) electrically connected with the lithium battery pack (2) is arranged on the front surface of the explosion-proof box body (1).

7. The mining explosion-proof lithium ion battery power supply according to claim 6, wherein: the back of division board (11) is equipped with respectively with the relay protection ware of lithium cell group (2) electric connection and with the circuit breaker of relay protection ware series connection, the front of division board (11) is connected with the back of lithium cell group (2).