CN214957271U

CN214957271U - Battery pack with leakage protection mechanism

Info

Publication number: CN214957271U
Application number: CN202120810725.2U
Authority: CN
Inventors: 杨坤
Original assignee: Beijing Yankai Xinyuan Technology Co ltd
Current assignee: Beijing Yankai Xinyuan Technology Co ltd
Priority date: 2021-04-20
Filing date: 2021-04-20
Publication date: 2021-11-30
Anticipated expiration: 2031-04-20

Abstract

The utility model discloses a group battery with earth leakage protection mechanism, including the shell, still include base, upper cover, buffering subassembly and earth leakage protection subassembly, the earth leakage protection subassembly is drawn together by earth leakage protection case, switch, connector A, connector B, coil, connection lever and machine and is constituteed, the mounting groove has been seted up to earth leakage protection incasement portion, install the switch in the mounting groove, the inside battery pack that has pegged graft of shell, the shell lateral wall is pegged graft and is had the upper cover, the wiring hole has been seted up on the upper cover surface. The utility model discloses a set up the electric leakage protection case, avoid the inside battery pack of shell to take place the incident after the electric leakage, through buffering the buffering subassembly, avoid the inside battery pack of shell to damage.

Description

Battery pack with leakage protection mechanism

Technical Field

The utility model relates to a group battery technical field, in particular to group battery with earth leakage protection mechanism.

Background

The battery pack is divided into a series battery pack and a parallel battery pack, the voltage of each battery is required to be the same by the parallel battery pack, the output voltage is equal to the voltage of one battery, the parallel battery pack can provide stronger current, and the series battery pack does not have excessive requirements.

Patent No. CN201710266264.5 discloses a battery pack, which comprises a box body, a first connecting piece is arranged on the side surface of the box body, a second connecting piece is arranged on the other side of the box body, a connecting rod is arranged on the side surface of the first connecting piece, a clamping block is arranged at one end of the connecting rod, a clamping groove is arranged on the surface of the second connecting piece, a fixing groove is arranged inside the clamping groove, a battery pack is arranged inside the box body, a positive electrode battery is arranged on the surface of the battery pack, a negative electrode battery is arranged at the bottom end of the positive electrode battery, a positive electrode connector and a negative electrode connector are also arranged on the surface of the box body, a charging jack is arranged on the surface of the box body, an electric quantity indicator lamp is arranged on one side of the charging jack, this group battery makes adjacent group battery can be fixed through the form of joint through being equipped with latch device in the side of box, has solved current group battery and need use the fixed bolster of customization to fix its problem when the equipment, and simple structure is fit for using widely.

This group battery with earth leakage protection mechanism has following drawback: after electric leakage, the situation that the electric leakage is easy to occur when the battery pack is used for power connection still brings many potential safety hazards, and certain improvement is needed; after being impacted by external force, the internal battery component is easy to damage.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a battery pack with an earth leakage protection mechanism, which can effectively solve the problems in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a group battery with earth leakage protection mechanism, includes the shell, still includes base, upper cover, buffering subassembly and earth leakage protection subassembly, the earth leakage protection subassembly is drawn together by earth leakage protection case, switch, connector A, connector B, coil, connection lever and machine and is constituteed, the mounting groove has been seted up to earth leakage protection incasement portion, install the switch in the mounting groove, the inside battery pack that has pegged graft of shell, the shell lateral wall is pegged graft and is had the upper cover, the wiring hole has been seted up on the upper cover surface.

Furthermore, the buffer assembly comprises a buffer cushion, a spongy cushion, a damping spring and a damper, the damper is arranged on the surface of the base, the damping spring is arranged on the surface of the damper, the top of the damping spring is arranged at the bottom of the spongy cushion, and the buffer cushion is arranged in the shell; through buffering the buffering subassembly, avoid the inside battery pack of shell to damage.

Further, the top of the machine frame is provided with an arc limiting block, and the bottom of the arc limiting block is provided with a spring ring; the magnetic force pushes the connecting rod to push the mechanical arm, the spring ring pulls the mechanical arm, and the mechanical arm pulls the connecting piece.

Furthermore, one end of the connecting lever is provided with a connecting piece, and the other end of the connecting piece is arranged on the surface of the switch; the connecting piece is stressed to drive the switch, so that the switch moves in the mounting groove to trip, and the circuit is not connected.

Furthermore, a groove is formed in the buffer pad, and the size of the groove is matched with that of the battery pack; the battery pack is inserted into the groove, and the cushion pad is arranged inside the shell to protect the battery pack, so that the battery pack has high resilience and tensile strength, strong toughness and good buffering performance.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses when using, the circuit is connected with connector A, connector B, circuit UNICOM, produce magnetic field in the coil, when the electric leakage condition takes place, the electric current increases in the circuit, magnetic field is also along with the increase, magnetic force promotes connecting bar top and moves the machine and draw together, the spring coil is drawn together, the machine draws together the pulling connecting piece, connecting piece drive switch, make the switch remove in the mounting groove and trip out, make the circuit not logical, through setting up the earth leakage protection case, avoid the inside battery pack of shell to take place the incident after the electric leakage.

2. The utility model discloses peg graft battery pack in the recess, install the blotter inside the shell again, protect battery pack, resilience and tensile strength are high, toughness is strong, good shock-absorbing capacity has, receive the impact back at the shell, the damping spring atress takes place to deform, carry out the energy-absorbing at deformation in-process, slow down the impact force, the attenuator is installed to the damping spring bottom, the attenuator supports damping spring and provides the resistance of motion, through buffering the buffering subassembly, avoid the inside battery pack of shell to damage.

Drawings

Fig. 1 is a front view of a battery pack having an earth leakage protection mechanism according to the present invention;

fig. 2 is a schematic diagram illustrating an expansion of the inside of a leakage protection box of a battery pack having a leakage protection mechanism according to the present invention;

fig. 3 is a schematic diagram illustrating the expansion of the inside of the casing of the battery pack with the earth leakage protection mechanism according to the present invention.

In the figure: 1. a housing; 2. a base; 3. an electric leakage protection box; 4. a switch; 5. a battery assembly; 6. an upper cover; 7. a wiring hole; 8. a connecting port A; 9. a connecting port B; 10. a coil; 11. a connecting bar; 12. mechanically drawing; 13. an arc limiting block; 14. a spring ring; 15. A connecting member; 16. mounting grooves; 17. a cushion pad; 18. a sponge cushion; 19. a groove; 20. A damping spring; 21. a damper; 22. a buffer assembly; 23. an earth leakage protection component.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1 to 3, a battery pack with an earth leakage protection mechanism includes a housing 1, and further includes a base 2, an upper cover 6, a buffer component 22 and an earth leakage protection component 23, where the earth leakage protection component 23 is composed of an earth leakage protection box 3, a switch 4, a connector A8, a connector B9, a coil 10, a connection lever 11 and a motor 12, an installation groove 16 is formed in the earth leakage protection box 3, the switch 4 is installed in the installation groove 16, a battery component 5 is inserted into the housing 1, the upper cover 6 is inserted into a side wall of the housing 1, and a wiring hole 7 is formed in a surface of the upper cover 6.

The damping assembly 22 consists of a cushion pad 17, a spongy cushion 18, a damping spring 20 and a damper 21, the damper 21 is installed on the surface of the base 2, the damping spring 20 is installed on the surface of the damper 21, the top of the damping spring 20 is installed at the bottom of the spongy cushion 18, and the cushion pad 17 is installed inside the shell 1; by cushioning the cushioning assembly 22, damage to the battery assembly 5 inside the housing 1 is avoided.

The top of the machine frame 12 is provided with an arc limiting block 13, and the bottom of the arc limiting block 13 is provided with a spring ring 1514; the magnetic force pushes the connecting rod 11 against the motor 12, the spring coil 1514 pulls the motor 12, and the motor 12 pulls the connecting piece.

One end of the connecting lever 11 is provided with a connecting piece, and the other end of the connecting piece is arranged on the surface of the switch 4; the connecting piece is stressed to drive the switch 4, so that the switch 4 moves in the mounting groove 16 to trip, and the circuit is not connected.

A groove 19 is formed in the cushion pad 17, and the size of the groove 19 is matched with that of the battery assembly 5; the battery component 5 is inserted into the groove 19, and then the cushion pad 17 is arranged inside the shell 1, so that the battery component 5 is protected, and the battery component has high resilience, high tensile strength, strong toughness and good buffering performance.

It should be noted that, the utility model relates to a battery pack with leakage protection mechanism, when using, the circuit is connected with the connector A8 and the connector B9, the circuit is connected, the magnetic field is generated in the coil 10, when the leakage occurs, the current in the circuit is increased, the magnetic field is also increased, the magnetic force pushes the connecting rod 11 to push the connecting rod 12, the spring coil 14 pulls the connecting rod 12, the connecting rod 12 pulls the connecting piece 15, the connecting piece 15 drives the switch 4, the switch 4 moves in the mounting groove 16 to trip, the circuit is not connected, through setting up the leakage protection box 3, the safety accident after the leakage occurs to the battery assembly 5 in the casing 1 is avoided, the battery assembly 5 is inserted in the groove 19, the buffer cushion 17 is installed in the casing 1 to protect the battery assembly 5, the resilience and the tensile strength are high, the toughness is strong, has good buffer performance, after the casing 1 is impacted, damping spring 20 atress takes place the deformation, carries out the energy-absorbing at deformation in-process, slows down the impact force, and damper 21 is installed to damping spring 20 bottom, and damper 21 supports damping spring 20 and provides the resistance of motion, through buffering subassembly 22, avoids the inside battery pack 5 of shell 1 to damage.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a group battery with earth leakage protection mechanism, includes shell (1), its characterized in that still includes base (2), upper cover (6), buffering subassembly (22) and earth leakage protection subassembly (23), earth leakage protection subassembly (23) comprise earth leakage protection case (3), switch (4), connector A (8), connector B (9), coil (10), connection lever (11) and machine (12), mounting groove (16) have been seted up to earth leakage protection case (3) inside, install switch (4) in mounting groove (16), the inside battery pack (5) of having pegged graft of shell (1), shell (1) lateral wall is pegged graft and is had upper cover (6), wiring hole (7) have been seted up on upper cover (6) surface.

2. A battery pack having a leakage protection mechanism according to claim 1, wherein: buffer unit (22) comprises blotter (17), foam-rubber cushion (18), damping spring (20) and attenuator (21), base (2) surface mounting has attenuator (21), attenuator (21) surface mounting has damping spring (20), damping spring (20) top is installed in foam-rubber cushion (18) bottom, shell (1) internally mounted has blotter (17).

3. A battery pack having a leakage protection mechanism according to claim 1, wherein: circular arc stopper (13) are installed at machine (12) top, spring ring (14) are installed to circular arc stopper (13) bottom.

4. A battery pack having a leakage protection mechanism according to claim 1, wherein: connecting piece (15) are installed to connecting lever (11) one end, connecting piece (15) other end is installed on switch (4) surface.

5. A battery pack having a leakage protection mechanism according to claim 2, wherein: a groove (19) is formed in the buffer pad (17), and the size of the groove (19) is matched with that of the battery component (5).