CN212726541U - High-voltage large-capacity explosion-proof lithium battery - Google Patents

Abstract

The utility model discloses a high-voltage large-capacity explosion-proof lithium battery, which comprises an explosion-proof power box, a lithium battery pack is arranged in the explosion-proof power box, a power management controller for managing the lithium battery pack is arranged at the top end of the lithium battery pack, a current sensor for monitoring the current of the lithium battery pack is arranged at the other side of the top end of the lithium battery pack, a contactor is further arranged at the top end of the current sensor, an explosion-proof box cover is arranged at the top end of the explosion-proof box cover, an explosion-proof power connector is arranged at the top end of the explosion-proof box cover, and the current sensor, the power management controller, the explosion-; the lithium battery pack is additionally arranged in the explosion-proof power box, so that the lithium battery is maintenance-free and is charged in a quick charging mode; the method is pollution-free, and meets the use requirements of more special explosion-proof scenes; the lithium battery only has 1/4 weight of the lead-acid battery with the same capacity and has 1/3 volume of the lead-acid battery with the same capacity.

Description

High-voltage large-capacity explosion-proof lithium battery

Technical Field

The utility model relates to a battery especially relates to an explosion-proof lithium cell of high voltage large capacity.

Background

The existing battery explosion-proof technology adopts a lead acid type battery as an explosion-proof special battery, and the pollution to the environment is generated in production and use (the lead acid storage battery contains a large amount of lead and acid, and the pollution to the environment is generated if the lead acid storage battery is not properly treated after production and abandonment). Distilled water is required to be added for maintenance in normal work, so that the workload is increased, and the labor cost and the material cost are increased. The charging time is long, effective operating time is short, the structure requirement of the using equipment is high due to large volume and heavy weight, and the use of a special explosion-proof scene is limited.

Disclosure of Invention

In order to overcome the not enough of prior art, the utility model provides an explosion-proof lithium cell of high voltage large capacity can solve lead-acid batteries and produce the pollution to the environment, and cost of labor and material expense are high, and effective operating time is short, and special explosion-proof scene uses the technical problem who receives the restriction.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides an explosion-proof lithium cell of high voltage large capacity, includes the flame proof power supply box, be equipped with lithium cell group in the flame proof power supply box, lithium cell group top is equipped with the power management controller who is used for managing lithium cell group, lithium cell group top opposite side is equipped with the current sensor who is used for monitoring lithium cell group electric current, the current sensor top still is equipped with the contactor, flame proof power supply box top is equipped with explosion-proof case lid, explosion-proof case lid top is provided with explosion-proof power supply connector, current sensor, power management controller, explosion-proof power supply connector and contactor all are organized with lithium cell through the circuit and are connected.

As a preferred technical scheme of the utility model, the outer edge in explosion-proof case lid top is equipped with the swivel, fixedly connected with spliced pole in the middle of the swivel bottom, spliced pole bottom both sides all are fixed with the elastic metal strip, elastic metal strip outside bottom fixedly connected with fixture block, the spread groove has been seted up on explosion-proof case lid top, the spread groove bottom extends to inside the explosion-proof power supply box top, the spliced pole is located the spread groove, the spacing groove with fixture block looks adaptation is all seted up to spread groove inner wall bottom both sides, fixture block joint spacing inslot.

As an optimized technical scheme of the utility model, the spliced pole is the cylinder, and the surface is smooth.

As a preferred technical scheme of the utility model, the change equidistance distributes and follows outside explosion-proof case lid, the spread groove is followed outside explosion-proof case lid top with the corresponding seting up of spliced pole.

As the utility model discloses a preferred technical scheme, the spacing groove is the rectangular channel, fixture block both sides surface and bottom surface are the inclined plane, fixture block top surface is the cross straight face.

As an optimized technical scheme of the utility model, the flame proof power supply box is the cavity cuboid, the explosion-proof case lid is flat cuboid.

As a preferred technical scheme of the utility model, anti-skidding groove is seted up in the swivel outside, the anti-skidding groove equidistance is seted up in the swivel outside.

Compared with the prior art, the utility model discloses the beneficial effect that can reach is:

1. the lithium battery pack is additionally arranged in the explosion-proof power box, so that the lithium battery is maintenance-free, and can be automatically charged by adopting a quick charging mode, thereby ensuring full load and uninterrupted work; the battery has long service life and no memory effect, can be charged and discharged at any time, and does not need to be replaced frequently; the power management controller 4 is used for protecting the circuit of the lithium battery pack, and can be used for alarming by a buzzer, monitoring in real time and protecting the battery in a cut-off mode under special conditions; the low-temperature performance is good, and the high-temperature-resistant material is more suitable for being used in the north or a refrigeration house; the method is pollution-free, and meets the use requirements of more special explosion-proof scenes; the lithium battery only has 1/4 weight of the lead-acid battery with the same capacity and has 1/3 volume of the lead-acid battery with the same capacity.

2. Through the connecting column penetrating in the explosion-proof box cover, when the explosion-proof box cover and the explosion-proof power box need to be assembled, the rotating ring is moved, the connecting column is driven by the rotating ring to move, the connecting column moves through the elastic metal strip moving clamping block, the bottom end of the clamping block is aligned to the connecting groove, the clamping block is compressed towards the inner side of the elastic metal strip, the clamping block is plugged into the connecting groove, when the bottom end of the elastic metal strip is contacted with the connecting groove, the rotating ring is rotated, the connecting column is driven by the rotating ring to rotate, the connecting column rotates through the elastic metal strip moving clamping block, when the clamping block is contacted with the limiting groove, the elastic metal strip drives the clamping block to reset under the elastic action, the explosion-proof box cover and the explosion-proof power box are fixed, the clamping block is clamped into the limiting groove, the connecting column does not need to be fixed by other tools, the explosion-, the explosion-proof box cover and the explosion-proof power box are prevented from being fixed through threads, and the explosion-proof box cover cannot be opened under the condition that the threads are rusted.

Drawings

In order to illustrate more clearly the embodiments of the invention or the solutions of the prior art, reference will now be made briefly to the attached drawings that are needed in the description of the embodiments or the prior art, it being understood that the drawings in the description illustrate only some embodiments of the invention and are therefore not to be considered limiting of its scope, and that, to a person skilled in the art, other related drawings can be obtained from these drawings without inventive effort.

Fig. 1 is the schematic view of the sectional structure of the explosion-proof lithium battery of the present invention.

Fig. 2 is a schematic view of a top view structure of an explosion-proof lithium battery of the present invention.

Fig. 3 is a side view schematic diagram of the explosion-proof lithium battery of the present invention.

Fig. 4 is an enlarged schematic view of a in fig. 1.

Fig. 5 is a schematic diagram of a side view structure of the fixture block of the present invention.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Wherein: 1. an explosion-proof power box; 2. a lithium battery pack; 3. a current sensor; 4. a power management controller; 5. an explosion-proof power supply coupling; 6. a contactor; 7. an explosion-proof case cover; 8. rotating the ring; 81. connecting columns; 82. an elastic metal strip; 83. a clamping block; 84. connecting grooves; 85. a limiting groove.

Detailed Description

For the purpose of facilitating the implementation of the technical means, creation features, achievement objectives and functions of the present invention, the following claims are made in detail with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, those skilled in the art can find out all other embodiments without creative efforts, and all the embodiments also belong to the protection scope of the present invention.

It should be understood that in the description of the present invention, all directional terms such as "upper", "lower", "left", "right", "front", "back", etc. are used only for convenience of description and simplification of the present invention, and are not intended to limit the present invention, since they indicate or imply that the device or element in question must have a specific orientation, be constructed and operated in a specific orientation, and are not necessarily limited to the present invention. For the purpose of explaining the relative positional relationship of the components, the movement, etc., as shown in the drawings, when the specific attitude is changed, the directional indication may be changed accordingly.

Furthermore, the use of ordinal numbers such as "first", "second", etc., in the present application is for distinguishing purposes only and is not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. The features defining "first" and "second" may be explicit or implicit in relation to at least one of the technical features. In the description of the present invention, "a plurality" means at least two, i.e., two or more, unless expressly defined otherwise; the meaning of "at least one" is one or both.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The utility model relates to a controller, control circuit are the conventional control of technical staff in the field, if the control circuit of controller can realize through the simple programming of technical staff in the field, the providing of power also belongs to the common general knowledge in the field, and the utility model discloses main utility model technical point lies in improving mechanical device, so the utility model discloses specific circuit control relation and circuit connection are no longer explained in detail.

Example 1

Referring to fig. 1 to 3, the present invention provides a high voltage large capacity explosion-proof lithium battery, which comprises an explosion-proof power box 1, a lithium battery pack 2 is arranged in the explosion-proof power box 1, the explosion-proof power box 1 isolates sparks and arcs generated by the lithium battery pack in the housing and electrical components thereof from explosive mixtures outside the housing, and can bear the explosive mixtures entering the housing, and the explosive mixtures are ignited by the sparks and arcs of the electrical equipment in the housing, the housing is not damaged, meanwhile, explosive products in the housing can be prevented from propagating and exploding to the explosive mixtures outside the housing, the explosive mixtures outside the housing can not be caused to burn and explode, the lithium battery pack 2 can supply power to a load at any time, a power management controller 4 for managing the lithium battery pack 2 is arranged at the top of the lithium battery pack 2, the power management controller 4 is used for automatically cutting off a main loop for faults of low battery power, short circuit, overcharge, high temperature and the like, and a buzzer alarms (the power management controller 4 is widely used in new energy vehicles, and is the prior art, so the details are not repeated in the application); the charge state of the lithium battery pack 2, namely the residual electric quantity of the battery, is monitored, the charge state of the battery is maintained in a reasonable range, the damage to the battery due to overcharge or overdischarge is prevented, the residual capacity of the battery is forecasted at any time, the lithium iron phosphate power management controller 4 is a core component for protecting and managing the battery, the safe and reliable use of the battery can be ensured, the performance and the service life of the battery can be fully exerted, the other side of the top end of the lithium battery pack 2 is provided with a current sensor 3 for monitoring the current of the lithium battery pack 2, the top end of the current sensor 3 is also provided with a contactor 6, the contactor 6 is used for ensuring the connection and disconnection of the normal work of a circuit, the top end of the flameproof power box 1 is provided with a flameproof box cover 7, the flameproof power box 1 is a hollow cuboid, the flameproof, the explosion-proof power supply connector 5 is used for ensuring that the connection between the battery and an external carrier does not generate sparks and electric arcs, and the current sensor 3, the power supply management controller 4, the explosion-proof power supply connector 5 and the contactor 6 are connected with the lithium battery pack 2 through circuits.

When the explosion-proof power box is used, the lithium battery pack 2 is additionally arranged in the explosion-proof power box 1, the lithium battery is maintenance-free, and can be automatically charged by adopting a quick charging mode, so that full load and uninterrupted work are ensured; the battery has long service life and no memory effect, can be charged and discharged at any time, and does not need to be replaced frequently; the power management controller 4 is used for protecting the circuit of the lithium battery pack 2, and can perform buzzer alarm, real-time monitoring and cut-off protection on the battery under special conditions; the low-temperature performance is good, and the high-temperature-resistant material is more suitable for being used in the north or a refrigeration house; the method is pollution-free, and meets the use requirements of more special explosion-proof scenes; the lithium battery only has 1/4 weight of the lead-acid battery with the same capacity and has 1/3 volume of the lead-acid battery with the same capacity.

Example 2

Referring to fig. 1, fig. 4 and fig. 5, the present invention provides a high voltage large capacity explosion-proof lithium battery, the present embodiment adopts the same technical solution as the first embodiment, except that a swivel 8 is disposed at the outer edge of the top end of an explosion-proof box cover 7, an anti-slip groove is disposed at the outer side of the swivel 8, the anti-slip groove is disposed at the outer side of the swivel 8 at equal intervals, the anti-slip groove is used for increasing friction force and preventing slipping when the swivel 8 is rotated, a connection post 81 is fixedly connected to the middle of the bottom end of the swivel 8, the connection post 81 is a cylinder, and has a smooth outer surface, so as to facilitate the insertion of the connection post 81 into the connection groove 84, both sides of the bottom end of the connection post 81 are fixed with elastic metal strips 82, a fixture block 83 is fixedly connected to the outer bottom end of the elastic metal strips 82, a connection groove 84 is, 8 equidistance distributions of swivel are along outside explosion-proof case lid 7, spread groove 84 sets up at 7 top outer edges of explosion-proof case lid with spliced pole 81 is corresponding, increase spliced pole 81's quantity, promote explosion-proof case lid 7 and explosion-proof power supply box 1 fastness, spacing groove 85 with fixture block 83 looks adaptation is all seted up to spread groove 84 inner wall bottom both sides, fixture block 83 joint spacing inslot 85, spacing groove 85 is the rectangular channel, fixture block 83 both sides surface and bottom surface are the inclined plane, fixture block 83 top surface is the transverse and straight face, the top is the transverse and straight face, be in order to block fixture block 83, both sides are the inclined plane, be in dismantling spliced pole 81, make things convenient for spacing groove 85 compression fixture block 83, make it leave in spacing groove 85.

When the explosion-proof box cover 7 is assembled with the explosion-proof power box 1, the rotating ring 8 is moved, the rotating ring 8 drives the connecting post 81 to move, the connecting post 81 drives the clamping block 83 to move through the elastic metal strip 82, the bottom end of the clamping block 83 is aligned to the connecting groove 84, the clamping block 83 is compressed towards the inner side of the elastic metal strip 82, the clamping block 83 is plugged into the connecting groove 84, when the bottom end of the elastic metal strip 82 is contacted with the connecting groove 84, the rotating ring 8 is rotated, the rotating ring 8 drives the connecting post 81 to rotate, the connecting post 81 drives the clamping block 83 to rotate through the elastic metal strip 82, when the clamping block 83 is contacted with the limiting groove 85, the elastic metal strip 82 drives the clamping block 83 to reset under the elastic action, the explosion-proof box cover 7 and the explosion-proof power box 1 are fixed, the clamping block 83 is clamped into the limiting groove 85, the connecting post 81 does not need to be fixed by other tools, meanwhile, the connecting column 81 is specified by the clamping mode of the clamping block 83 and the limiting groove 85, the explosion-proof box cover 7 and the explosion-proof power box 1 are prevented from being fixed through threads, and the explosion-proof box cover 7 cannot be opened under the condition that the threads are rusted.

The utility model provides a high-voltage large-capacity explosion-proof lithium battery, through installing lithium cell group 2 additional in flame proof power supply box 1, the lithium battery has non-maintaining, adopts "fast charge mode" to charge, can charge automatically, guarantees full load, uninterrupted duty; the battery has long service life and no memory effect, can be charged and discharged at any time, and does not need to be replaced frequently; the power management controller 4 is used for protecting the circuit of the lithium battery pack 2, and can perform buzzer alarm, real-time monitoring and cut-off protection on the battery under special conditions; the low-temperature performance is good, and the high-temperature-resistant material is more suitable for being used in the north or a refrigeration house; the method is pollution-free, and meets the use requirements of more special explosion-proof scenes; the lithium battery only has 1/4 weight of the lead-acid battery with the same capacity and has 1/3 volume of the lead-acid battery with the same capacity; through the penetration of the connecting column 81 in the explosion-proof box cover 7, when the explosion-proof box cover 7 is required to be assembled with the explosion-proof power box 1, the rotating ring 8 is moved, the rotating ring 8 drives the connecting column 81 to move, the connecting column 81 drives the fixture block 83 to move through the elastic metal strip 82, the bottom end of the fixture block 83 is aligned with the connecting groove 84, the fixture block 83 is compressed towards the inner side of the elastic metal strip 82, the fixture block 83 is simultaneously plugged into the connecting groove 84, when the bottom end of the elastic metal strip 82 is contacted with the connecting groove 84, the rotating ring 8 is rotated, the rotating ring 8 drives the connecting column 81 to rotate, the connecting column 81 drives the fixture block 83 to rotate through the elastic metal strip 82, when the fixture block 83 is contacted with the limiting groove 85, the elastic metal strip 82 drives the fixture block 83 to reset under the elastic action, the fixing of the explosion-proof box cover 7 and the explosion-proof power box 1 is completed, the, make things convenient for the staff to install explosion-proof case lid 7, simultaneously through the mode regulation spliced pole 81 of fixture block 83 with spacing groove 85 block, avoid through the fixed explosion-proof case lid 7 of screw thread and explosion-proof power supply box 1, can't open explosion-proof case lid 7 under the dead circumstances of screw thread rust.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (7)

1. The utility model provides an explosion-proof lithium cell of high voltage large capacity, includes explosion-proof power supply box (1), its characterized in that: be equipped with lithium cell group (2) in flame proof power supply box (1), lithium cell group (2) top is equipped with power management controller (4) that are used for managing lithium cell group (2), lithium cell group (2) top opposite side is equipped with current sensor (3) that are used for monitoring lithium cell group (2) electric current, current sensor (3) top still is equipped with contactor (6), flame proof power supply box (1) top is equipped with explosion-proof case lid (7), explosion-proof case lid (7) top is provided with explosion-proof power connector (5), current sensor (3), power management controller (4), explosion-proof power connector (5) and contactor (6) all are connected with lithium cell group (2) through the circuit.

2. A high-voltage large-capacity explosion-proof lithium battery as claimed in claim 1, wherein: explosion-proof case lid (7) top is outer along being equipped with swivel (8), fixedly connected with spliced pole (81) in the middle of swivel (8) bottom, spliced pole (81) bottom both sides all are fixed with elastic metal strip (82), elastic metal strip (82) outside bottom fixedly connected with fixture block (83), spread groove (84) have been seted up on explosion-proof case lid (7) top, spread groove (84) bottom extends to inside flame proof power supply box (1) top, spliced pole (81) are located spread groove (84), spacing groove (85) with fixture block (83) looks adaptation are all seted up to spread groove (84) inner wall bottom both sides, in fixture block (83) joint spacing groove (85).

3. A high-voltage large-capacity explosion-proof lithium battery as claimed in claim 2, wherein: the connecting column (81) is a cylinder, and the outer surface of the connecting column is smooth.

4. A high-voltage large-capacity explosion-proof lithium battery as claimed in claim 2, wherein: the swivel (8) equidistance distributes at explosion-proof case lid (7) outer edge, connecting groove (84) and spliced pole (81) corresponding seting up at explosion-proof case lid (7) top outer edge.

5. A high-voltage large-capacity explosion-proof lithium battery as claimed in claim 2, wherein: the limiting groove (85) is a rectangular groove, the surfaces of the two sides and the bottom end of the clamping block (83) are inclined planes, and the surface of the top end of the clamping block (83) is a transverse straight plane.

6. A high-voltage large-capacity explosion-proof lithium battery as claimed in claim 1, wherein: the explosion-proof power box (1) is a hollow cuboid, and the explosion-proof box cover (7) is a flat cuboid.

7. A high-voltage large-capacity explosion-proof lithium battery as claimed in claim 2, wherein: and anti-skid grooves are formed in the outer side of the rotating ring (8) and are arranged in the outer side of the rotating ring (8) at equal intervals.

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