CN211265574U

CN211265574U - Lithium battery pack with charging and discharging energy protection mechanism

Info

Publication number: CN211265574U
Application number: CN201922480317.0U
Authority: CN
Inventors: 蒋胜伟; 蒋小华
Original assignee: Shenzhen Hanhailong Technology Co Ltd
Current assignee: Shenzhen Hanhailong Technology Co Ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-08-14
Anticipated expiration: 2029-12-31

Abstract

The utility model is suitable for a lithium cell group correlation technique field provides a lithium cell group with charge and discharge energy protection mechanism, charge and discharge controller is installed to the lower extreme inboard of battery case, the upper end left side of battery case is installed and is filled the protector, and the upper end right side of battery case installs and put the protector, the inboard block in upper end of battery case is connected with the backup pad, and the middle part internal connection of backup pad has heating pipe and condenser pipe, the lid is located the upper end outside of battery case, and the upper end middle part of lid has seted up the opening, the upside of opening is provided with the dust screen, the internally mounted of lid has the locking bolt. This lithium cell group with charge and discharge energy protection mechanism, the convenience is overhauld and is changed lithium cell group, is convenient for control the inboard temperature of battery case, ensures the work security of lithium cell group body, and is convenient for dispel the heat and prevent dust lithium cell group body.

Description

Lithium battery pack with charging and discharging energy protection mechanism

Technical Field

The utility model relates to a lithium cell group correlation technique field specifically is a lithium cell group with charge and discharge energy protection mechanism.

Background

With the development of electronic technology, lithium batteries are more and more widely applied to various devices, and in order to meet certain requirements, the lithium batteries are connected in series or in parallel, the battery cores of the lithium batteries are welded through a welder, and then the lithium battery pack with a charging and discharging energy protection mechanism is formed.

However, the general lithium battery pack with the charging and discharging energy protection mechanism is inconvenient to overhaul and replace, inconvenient to control the inner side temperature of the battery box, and inconvenient to dissipate and prevent dust for the lithium battery pack body, so that the lithium battery pack with the charging and discharging energy protection mechanism is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a lithium cell group with charge and discharge energy protection mechanism to the general lithium cell group that has charge and discharge energy protection mechanism who proposes in solving above-mentioned background art, inconvenient overhauls and changes lithium cell group, and the inboard temperature of the control battery case of being not convenient for ensures the work security of lithium cell group body, and is not convenient for dispel the heat and dirt-proof problem lithium cell group body.

The utility model is realized in such a way, a lithium battery pack with a charging and discharging energy protection mechanism comprises a battery box and a box cover, wherein a charging and discharging controller is arranged at the inner side of the lower end of the battery box, the upper surface of the charging and discharging controller is connected with a lithium battery pack body, the upper side of the lithium battery pack body is connected with a heat conducting plate, an overcharge protector is arranged at the left side of the upper end of the battery box, an overdischarge protector is arranged at the right side of the upper end of the battery box, a connecting head is arranged at the upper side of the overdischarge protector, a supporting plate is clamped and connected at the inner side of the upper end of the battery box, a heating pipe and a condensing pipe are connected at the middle part of the supporting plate, a temperature sensor is arranged at the inner part of the front end of the supporting plate, the box cover is, the inside mounting of lid has locking bolt, and the connecting hole has all been seted up to both ends inside about the lid.

The utility model discloses still provide fill and fill controller and heat-conducting plate and all be connected with the battery case block, and fill controller and heat-conducting plate and all organize this body coupling with the lithium cell to heating pipe and condenser pipe all are connected with the heat-conducting plate laminating.

The utility model discloses still provide the connector sets up about the battery case symmetry, and the connecting hole is located the horizontal plane outside of connector.

The utility model discloses still provide backup pad and lid constitute welding integral structure, and the lid passes through locking bolt and opening fixed connection.

The utility model discloses still provide heating pipe and condenser pipe all are "w" style of calligraphy and inlay in the inside of backup pad, and the equidistant setting of heating pipe and condenser pipe.

The utility model discloses still provide the opening is evenly seted up in the upper end of lid is inside, and the inboard cross section size in upper end of lid is the same with the outside cross section size of dust screen to the dust screen passes through screw and lid fixed connection.

Compared with the prior art, the beneficial effects of the utility model are that: the lithium battery pack with the charging and discharging energy protection mechanism is convenient to overhaul and replace, the inner side temperature of the battery box is convenient to control, the working safety of the lithium battery pack body is guaranteed, and the lithium battery pack body is convenient to dissipate heat and prevent dust;

1. the temperature sensor is arranged in the supporting plate, so that the heating pipe and the condenser pipe can be conveniently controlled to operate, the temperature in the battery box is controlled, and the working safety of the lithium battery pack body is further guaranteed;

2. the lithium battery pack is provided with a lithium battery pack body, circulation holes, a dustproof net and screws, the purpose of heat dissipation is conveniently achieved through the circulation holes, and the purpose of dust prevention of the lithium battery pack body is conveniently achieved through the dustproof net fixed on the circulation holes through the screws;

3. be equipped with lithium cell group body, dust screen, screw and lid, through rotating the locking bolt, be convenient for break off the lid and be connected with the battery case to be convenient for overhaul, change lithium cell group body, through rotating the screw, be convenient for break off the connection of dust screen and lid, thereby be convenient for clear up the dust screen.

Drawings

Fig. 1 is a schematic view of a front view cross-sectional structure provided by the present invention;

fig. 2 is a schematic view of a top-view cross-sectional structure provided by the present invention;

fig. 3 is a schematic view of a top view structure provided by the present invention.

In the figure: 1. a battery case; 2. a charge and discharge controller; 3. a lithium battery pack body; 4. an overcharge protector; 5. an over-discharge protector; 6. a connector; 7. a support plate; 8. heating a tube; 9. a condenser tube; 10. a temperature sensor; 11. a flow-through hole; 12. a dust screen; 13. locking the bolt; 14. connecting holes; 15. a screw; 16. a heat conducting plate; 17. and (7) a box cover.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1-3, the present invention provides a technical solution: a lithium battery pack with a charging and discharging energy protection mechanism comprises a battery box 1, a charging and discharging controller 2, a lithium battery pack body 3, an overcharge protector 4, an overdischarge protector 5, a connector 6, a support plate 7, a heating pipe 8, a condenser pipe 9, a temperature sensor 10, a circulation hole 11, a dust screen 12, a locking bolt 13, a connecting hole 14, a screw 15, a heat-conducting plate 16 and a box cover 17, wherein the charging and discharging controller 2 is installed on the inner side of the lower end of the battery box 1, the upper surface of the charging and discharging controller 2 is connected with the lithium battery pack body 3, the upper side of the lithium battery pack body 3 is connected with the heat-conducting plate 16, the overcharge protector 4 is installed on the left side of the upper end of the battery box 1, the overdischarge protector 5 is installed on the right side of the upper end of the battery box 1, the connector 6 is arranged on the upper side of the overd, and the front end internally mounted of backup pad 7 has temperature-sensing ware 10, and lid 17 is located the upper end outside of battery case 1, and the upper end middle part of lid 17 has seted up opening 11, and the upside of opening 11 is provided with dust screen 12, and the outer end internally mounted of dust screen 12 has screw 15, and the internally mounted of lid 17 has locking bolt 13, and lid 17 controls both ends inside and has all seted up connecting hole 14.

As shown in fig. 1, both the charge-discharge controller 2 and the heat-conducting plate 16 are connected with the battery box 1 in a clamping manner, both the charge-discharge controller 2 and the heat-conducting plate 16 are connected with the lithium battery pack body 3, and both the heating pipe 8 and the condensation pipe 9 are connected with the heat-conducting plate 16 in a laminating manner, so that the lithium battery pack body 3 is protected by charge-discharge energy, the connecting heads 6 are symmetrically arranged relative to the battery box 1, and the connecting holes 14 are positioned outside the horizontal plane of the connecting heads 6, so that the;

if in fig. 1 and fig. 2, the supporting plate 7 and the box cover 17 form a welding integrated structure, and the box cover 17 is fixedly connected with the circulation hole 11 through the locking bolt 13, so as to be convenient for installation and disassembly, the heating pipe 8 and the condensation pipe 9 are both in a w shape and are embedded in the supporting plate 7, and the heating pipe 8 and the condensation pipe 9 are arranged at equal intervals, so as to control the temperature in the battery box 1, so that the lithium battery pack body 3 can work safely, if in fig. 1 and fig. 3, the circulation hole 11 is uniformly formed in the upper end of the box cover 17, and the size of the inner side cross section of the upper end of the box cover 17 is the same as that of the outer side cross section of the dust screen 12, and the dust screen 12 is fixedly connected with the box.

The working principle is as follows: when the lithium battery pack with the charging and discharging energy protection mechanism is used, as shown in figure 1, a power supply connector is connected with a connector 6 through a connecting hole 14, under the control of a charging and discharging controller 2, charging and discharging energy protection is carried out on a lithium battery pack body 3 through an overcharge protector 4 and an overdischarge protector 5 arranged on the left side and the right side of a battery box 1, and safety energy supply is carried out, as shown in figure 1 and figure 2, the temperature inside the battery box 1 is sensed through a temperature sensor 10 arranged inside the front end of a supporting plate 7 in a penetrating way, when the temperature inside the battery box 1 is low, a heating pipe 8 is controlled to operate, the heating pipe 8 is connected with a heat conducting plate 16 in a bonding way, so that heat can be conveniently transferred to the inside of the battery box 1 through the heat conducting plate 16, the temperature inside the battery box 1 is increased, when the temperature inside the battery box 1 is high, convenient to make the inside temperature decline of battery case 1, it gives off the heat to the external world to loop through backup pad 7 and opening 11, thereby be convenient for control the temperature of 1 inside of battery case, and then ensure the security of 3 works of lithium cell group, like fig. 1 and fig. 3, dust screen 12 through the 11 upside settings of opening, be convenient for prevent dust, screw 15 through rotating 11 internally mounted of opening, disconnection dust screen 12 is connected with lid 17, be convenient for clear up dust screen 12, thereby it is good to make the radiating effect, like fig. 1 and fig. 2, through rotating locking bolt 13, disconnection lid 17 is connected with battery case 1, be convenient for overhaul battery group body 3 to the inside of battery case 1, change, this is exactly the whole process that the lithium cell group that has charge and discharge energy protection mechanism used.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a lithium cell group with charge-discharge energy protection mechanism, includes battery case (1) and lid (17), its characterized in that: the battery pack is characterized in that a charge-discharge controller (2) is installed on the inner side of the lower end of a battery box (1), a lithium battery pack body (3) is connected to the upper surface of the charge-discharge controller (2), a heat conducting plate (16) is connected to the upper side of the lithium battery pack body (3), an overcharge protector (4) is installed on the left side of the upper end of the battery box (1), an overcharge protector (5) is installed on the right side of the upper end of the battery box (1), a connecting head (6) is arranged on the upper side of the overcharge protector (5), a supporting plate (7) is connected to the inner side of the upper end of the battery box (1) in a clamping mode, a heating pipe (8) and a condensation pipe (9) are connected to the inner portion of the middle of the supporting plate (7), a temperature sensor (10) is installed to the inner portion of the front end of the, the upside of circulation hole (11) is provided with dust screen (12), and the outer end internally mounted of dust screen (12) has screw (15), the internally mounted of lid (17) has locking bolt (13), and both ends are inside all seted up connecting hole (14) about lid (17).

2. A lithium battery pack with a charge-discharge energy protection mechanism according to claim 1, wherein: fill and fill controller (2) and heat-conducting plate (16) and all be connected with battery case (1) block, and fill controller (2) and heat-conducting plate (16) and all be connected with lithium cell group body (3) to heating pipe (8) and condenser pipe (9) all are connected with heat-conducting plate (16) laminating.

3. A lithium battery pack with a charge-discharge energy protection mechanism according to claim 1, wherein: the connector (6) is symmetrically arranged relative to the battery box (1), and the connecting hole (14) is positioned on the outer side of the horizontal plane of the connector (6).

4. A lithium battery pack with a charge-discharge energy protection mechanism according to claim 1, wherein: the support plate (7) and the box cover (17) form a welding integrated structure, and the box cover (17) is fixedly connected with the circulation hole (11) through a locking bolt (13).

5. A lithium battery pack with a charge-discharge energy protection mechanism according to claim 1, wherein: heating pipe (8) and condenser pipe (9) all are "w" style of calligraphy and inlay in the inside of backup pad (7), and heating pipe (8) and condenser pipe (9) equidistant setting.

6. A lithium battery pack with a charge-discharge energy protection mechanism according to claim 1, wherein: the circulation holes (11) are uniformly formed in the upper end of the box cover (17), the size of the cross section of the inner side of the upper end of the box cover (17) is the same as that of the cross section of the outer side of the dust screen (12), and the dust screen (12) is fixedly connected with the box cover (17) through screws (15).