CN210668473U

CN210668473U - Lithium battery with adjustable battery capacity

Info

Publication number: CN210668473U
Application number: CN201921756832.0U
Authority: CN
Inventors: 林雪娜; 方桓周
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-19
Filing date: 2019-10-19
Publication date: 2020-06-02
Anticipated expiration: 2029-10-19

Abstract

The utility model discloses a lithium battery with adjustable battery capacity, which comprises a shell and a unit lithium battery, wherein a plurality of accommodating grooves are separated in the shell through clapboards, the unit lithium battery is arranged in each accommodating groove, and a unified anode and a unified cathode are embedded and installed on the surface of one side of the shell; the utility model discloses in, it has a plurality of grooves of accomodating to separate through the baffle in the casing, a plurality of inslots of accomodating install a unit lithium cell respectively, it is parallelly connected together through the circuit between the unit lithium cell in groove to every is accomodate, thereby form the lithium cell group that comprises a plurality of unit lithium cells, the positive pole and the negative pole of a plurality of unit lithium cells are connected through circuit and housing face's the positive pole of uniting and the negative pole of uniting respectively, through with the positive pole of uniting of two or more than two unit lithium cell positive poles and the negative pole of uniting be connected, can realize that the unit lithium cell more than two or two is parallelly connected, be favorable to adjusting the capacity of lithium cell, facilitate the use.

Description

Lithium battery with adjustable battery capacity

Technical Field

The utility model relates to a lithium cell technical field especially relates to a lithium cell of adjustable battery capacity.

Background

Lithium batteries refer to batteries that contain lithium (including metallic lithium, lithium alloys and lithium ions, lithium polymers) in an electrochemical system. Lithium batteries can be broadly classified into two types: lithium metal batteries and lithium ion batteries. Lithium metal batteries are generally non-rechargeable and contain lithium in a metallic state. Lithium ion batteries do not contain metallic lithium and can be charged, lithium batteries are widely used in life as a clean energy source at present, and the energy battery has the advantages of small volume, large capacity, high safety, sustainable development and the like.

The capacity of battery can not generally be revised according to user's demand to current lithium cell in the use, and under some special scenes, the flexibility of lithium cell is not high, brings inconvenience for the use of lithium cell, and the lithium cell can produce a large amount of heats simultaneously, especially a plurality of lithium cells of parallelly connected to lead to the life of lithium cell to shorten.

Therefore, a lithium battery with adjustable battery capacity is provided to solve the above drawbacks.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a lithium battery with adjustable battery capacity.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a lithium cell of adjustable battery capacity, includes casing and unit lithium cell, the inside of casing is separated through the baffle has a plurality of grooves of accomodating, and a plurality of inslots of accomodating all place and install the unit lithium cell, casing side surface embedding is installed and is unified anodal and the negative pole of unifying, and the one end of unifying anodal and the negative pole of unifying runs through the shell and is connected with the connection port that corresponds the unit lithium cell, a plurality of spread grooves have been seted up on the surface of connection port, the unit lithium cell passes through the spread groove electric connection of circuit and connection port.

As a further description of the above technical solution: the side wall face welding of casing has the fretwork otter board, and fretwork otter board one side surface is located the inboard laminating of casing and installs serpentine structure's water-cooled tube, the flange end is installed respectively at the both ends of water-cooled tube, and flange end and external cooling medium case intercommunication, the fretwork otter board opposite side is located casing surface bolt fastening and has the heat dissipation fan.

As a further description of the above technical solution: the slot has been seted up to the top surface of casing, and sliding connection has the sliding closure of rectangle platelike structure in the slot, the marginal position welding of sliding closure has the strake of U type structure, and the sliding closure passes through the slot sliding connection of strake and casing, one side skin weld of sliding closure has the second engaging lug, and second engaging lug one side is located the welding of casing terminal surface has first engaging lug, the through-hole has all been seted up on the surface of first engaging lug and second engaging lug.

As a further description of the above technical solution: the heat dissipation fan, the hollow screen plate and the water cooling pipe are arranged in two groups, the two groups of heat dissipation fans, the hollow screen plate and the water cooling pipe are symmetrical about a vertical central line of the shell, and the heat dissipation fan is electrically connected with an external power supply through a power line.

As a further description of the above technical solution: and the plurality of connecting grooves of the connecting ports are in one-to-one correspondence with the unit lithium batteries respectively.

The utility model discloses following beneficial effect has:

the utility model discloses in, it has a plurality of grooves of accomodating to separate through the baffle in the casing, a unit lithium cell is installed respectively in a plurality of grooves of accomodating, connect in parallel together through the circuit between the unit lithium cell in every groove of accomodating, thereby form the lithium cell group that comprises a plurality of unit lithium cells, the positive pole and the negative pole of a plurality of unit lithium cells are connected with the unified positive pole and the unified negative pole on casing surface through the circuit respectively, through being connected two or more than two unit lithium cell positive poles and unified positive pole and unified negative pole, can realize that two or more than two unit lithium cells are parallelly connected, be favorable to adjusting the capacity of lithium cell, facilitate the use;

the utility model discloses in, the heat dissipation fan is installed to the lateral wall face of casing corresponding fretwork otter board, through opening the heat dissipation fan, the heat dissipation fan can see through the fretwork otter board, blow in cold wind in the casing, the serpentine structure's that cooperation fretwork otter board surface was equipped with water-cooled tube, can accelerate the inside heat exchange of casing, improve casing radiating efficiency, thereby improve the life of lithium cell, and simultaneously, sliding connection has the sliding closure in the slot of casing top surface, through inserting the sliding closure in the slot, make the through-hole of the second engaging lug of sliding closure corresponding with the first engaging lug of casing, fix the sliding closure, thereby be favorable to the maintenance and the protection of casing.

Drawings

Fig. 1 is a schematic structural diagram of a lithium battery with adjustable battery capacity according to the present invention;

FIG. 2 is a schematic diagram of a water-cooling tube structure of a lithium battery with adjustable battery capacity according to the present invention;

fig. 3 is a schematic diagram of a sliding cover structure of a lithium battery with adjustable battery capacity according to the present invention.

Illustration of the drawings:

1. a housing; 2. a heat dissipation fan; 3. hollowing out the screen plate; 4. a water-cooled tube; 5. integrating the positive electrodes; 6. integrating the negative electrodes; 7. a slot; 8. a unit lithium battery; 9. a first connecting lug; 10. a sliding cover; 11. a second engaging lug; 12. a flange end; 13. and (7) edging.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

According to the utility model discloses an embodiment provides a lithium cell of adjustable battery capacity.

Referring now to the drawings and the detailed description, as shown in fig. 1-3, a lithium battery with adjustable battery capacity according to an embodiment of the present invention comprises a housing 1 and a lithium battery cell 8, wherein the housing 1 is divided into a plurality of receiving slots by partitions, the lithium battery cell 8 is disposed in each of the receiving slots, a common anode 5 and a common cathode 6 are embedded in one side surface of the housing 1, one end of the common anode 5 and the common cathode 6 penetrates the housing 1 and is connected to a connection port corresponding to the lithium battery cell 8, a plurality of connection slots are disposed on the surface of the connection port, the lithium battery cell 8 is electrically connected to the connection slots of the connection port through a circuit, the anode and cathode circuits of two or more lithium battery cells 8 are connected to the common anode 5 and the common cathode 6 on the surface of the housing 1, so that the lithium battery cell 8 is electrically connected to the connection slots of the connection port through a circuit, the parallel connection of two or more unit lithium batteries 8 is realized, and the capacity of the lithium batteries is adjusted;

in one embodiment, the side wall surface welding of casing 1 has fretwork otter board 3, and fretwork otter board 3 one side surface is located the inboard laminating of casing 1 and installs serpentine structure's water-cooled tube 4, flange end 12 is installed respectively to the both ends of water-cooled tube 4, and flange end 12 and outside cooling medium case intercommunication, fretwork otter board 3 opposite side is located casing 1 surface bolt fastening and has heat dissipation fan 2, the both ends of water-cooled tube 4 respectively with cooling medium case intercommunication, can accelerate the inside heat exchange of casing 1, wherein water-cooled tube 4 is in the internal surface of casing 1, with cooling medium's radiation effect, cooperation heat dissipation fan 2 dispels the heat in to casing 1.

In one embodiment, the top surface of the housing 1 is provided with a slot 7, a sliding cover 10 with a rectangular plate-shaped structure is slidably connected in the slot 7, an edge strip 13 with a U-shaped structure is welded at the edge position of the sliding cover 10, the sliding cover 10 is connected with the slot 7 of the shell 1 through the edge strip 13 in a sliding way, the surface of one side of the sliding cover 10 is welded with a second connecting lug 11, and one side of the second connecting lug 11 is positioned on the end surface of the shell 1 and welded with the first connecting lug 9, the surfaces of the first connecting lug 9 and the second connecting lug 11 are both provided with through holes, when the shell 1 needs to be closed, the sliding cover 10 is inserted into the slot 7, so that the through hole of the second connecting lug 11 of the sliding cover 10 corresponds to the first connecting lug 9 of the shell 1, the bolt is inserted into the through hole to fix the sliding cover 10, when maintenance is needed, the sliding cover 10 slides out of the slot 7 by taking out the bolt of the through hole, so that parallel operation or maintenance of the unit lithium battery 8 is facilitated.

In one embodiment, the heat dissipation fan 2, the hollow screen plate 3 and the water cooling tube 4 are provided in two sets, and the two sets of heat dissipation fan 2, the hollow screen plate 3 and the water cooling tube 4 are symmetrical about the vertical central line of the casing 1, the heat dissipation fan 2 is electrically connected with an external power supply through a power line, and the two sets of heat dissipation fan 2, the hollow screen plate 3 and the water cooling tube 4 can dissipate heat in opposite directions, so that the heat dissipation sufficiency is improved.

In one embodiment, the plurality of connection grooves of the connection port correspond to the unit lithium batteries 8 one to one, and the lines of the unit lithium batteries 8 are movably connected to the connection grooves, thereby facilitating the parallel connection of two or more lines of the unit lithium batteries 8.

The working principle is as follows:

when the lithium battery pack is used, the anode and cathode circuits of two or more unit lithium batteries 8 are connected with the integrated anode 5 and the integrated cathode 6 on the surface of the shell 1, so that the two or more unit lithium batteries 8 are connected in parallel, the capacity of the lithium batteries is adjusted, in the operation process of the lithium batteries, the heat dissipation fan 2 can blow cold air into the shell 1 through the hollowed-out screen plate 3 by opening the heat dissipation fan 2, the heat exchange inside the shell 1 can be accelerated by matching with the water cooling pipe 4 with the serpentine structure arranged on the surface of the hollowed-out screen plate 3, and the two ends of the water cooling pipe 4 are respectively communicated with the cooling medium box, so that the heat dissipation of the unit lithium batteries 8 in the shell 1 is realized, when the shell 1 needs to be sealed, the slide cover 10 is inserted into the slot 7 to enable the through holes of the second connecting lugs 11 of the slide cover 10 to correspond to the first connecting lugs 9 of the shell 1, and the, when maintenance is needed, the sliding cover 10 slides out of the slot 7 by taking out the bolt of the through hole, so that parallel operation or maintenance of the unit lithium battery 8 is facilitated.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A lithium battery with adjustable battery capacity, comprising a casing (1) and a unit lithium battery (8), characterized in that: the inside of casing (1) is separated through the baffle has a plurality of grooves of accomodating, and a plurality of inslots of accomodating all place and install unit lithium cell (8), casing (1) side surface embedding is installed and is unified anodal (5) and unified negative pole (6), and the one end of integrating anodal (5) and unified negative pole (6) runs through casing (1) and is connected with the connection port that corresponds unit lithium cell (8), a plurality of spread grooves have been seted up on connection port's surface, unit lithium cell (8) are through the spread groove electric connection of circuit with connection port.

2. A lithium battery of adjustable battery capacity as claimed in claim 1, characterized in that: the side wall face welding of casing (1) has fretwork otter board (3), and fretwork otter board (3) a side surface is located casing (1) inboard laminating and installs serpentine structure's water-cooled tube (4), flange end (12) are installed respectively to the both ends of water-cooled tube (4), and flange end (12) and outside cooling medium case intercommunication, fretwork otter board (3) opposite side is located casing (1) surface bolt fastening and has heat dissipation fan (2).

3. A lithium battery of adjustable battery capacity as claimed in claim 1, characterized in that: slot (7) have been seted up to the top surface of casing (1), and sliding closure (10) of sliding connection rectangular plate-like structure in slot (7), the border position welding of sliding closure (10) has strake (13) of U type structure, and sliding closure (10) through strake (13) and slot (7) sliding connection of casing (1), one side skin weld of sliding closure (10) has second engaging lug (11), and second engaging lug (11) one side is located casing (1) terminal surface welding and has first engaging lug (9), the through-hole has all been seted up on the surface of first engaging lug (9) and second engaging lug (11).

4. A lithium battery of adjustable battery capacity according to claim 2, characterized in that: the heat dissipation fan (2), the hollow screen plate (3) and the water cooling pipe (4) are arranged in two groups, the two groups of heat dissipation fans (2), the hollow screen plate (3) and the water cooling pipe (4) are symmetrical about the vertical central line of the shell (1), and the heat dissipation fan (2) is electrically connected with an external power supply through a power line.

5. A lithium battery of adjustable battery capacity as claimed in claim 1, characterized in that: and the plurality of connecting grooves of the connecting ports are respectively in one-to-one correspondence with the unit lithium batteries (8).