CN211719645U

CN211719645U - Constant-temperature lithium battery pack

Info

Publication number: CN211719645U
Application number: CN201922497547.8U
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: 2020-10-20
Anticipated expiration: 2029-12-31

Abstract

The utility model is suitable for the technical field of lithium batteries, and provides a constant-temperature lithium battery pack, which comprises a mounting mechanism and a sealing mechanism, wherein the mounting mechanism comprises a box body, a supporting plate, a side clamping plate, a heating block, a heat absorption pad, a lithium battery body, a temperature sensor, a display screen and a switch, the sealing mechanism comprises a cover plate, a binding post and an inner plate, the heat absorption pad is arranged between the side clamping plate and the supporting plate, the lithium battery body is accommodated in the heat absorption pad, the heating block is arranged in the side clamping plate, so that the heat absorption pad and the lithium battery body can be stably supported through the side clamping plate and the supporting plate, the heat of the lithium battery can be absorbed through the heat absorption pad, the lithium battery can be heated through the heating block, the temperature stability of the working environment of the lithium battery can be kept, and the temperature sensor for detecting the temperature, therefore, the working temperature of the battery in the box can be stably observed, and the use is safer.

Description

Constant-temperature lithium battery pack

Technical Field

The utility model belongs to the technical field of the lithium cell, especially, relate to a constant temperature type lithium cell group.

Background

The lithium battery is a new generation of energy storage power supply, takes lithium metal or lithium alloy as a negative electrode material, uses non-aqueous electrolyte solution, is widely applied to various current product devices which need to be powered by the battery, particularly in the field of electric automobiles, lithium batteries are the most practical power supply, and the temperature environment has great influence on the lithium batteries when the lithium batteries operate, so that under the normal condition, when the temperature is lower than the optimal working temperature range, the lower the ambient temperature is, the lower the activity of active matters in the battery is, the higher the internal resistance and viscosity of the electrolyte are, the more difficult the ion diffusion is, the battery charging and discharging are not easy to be carried out, the service life of the battery is seriously influenced, when the temperature is higher than the optimal working temperature range, the charging and discharging efficiency of the battery is also influenced, and the damage to the battery is more serious, the chemical balance in the battery is damaged, the performance of the battery material is degraded, and the service life of the battery is reduced.

The existing lithium battery has certain defects when in use, is not good in temperature environment control, has insufficient structural stability and is unsafe to use.

SUMMERY OF THE UTILITY MODEL

The utility model provides a thermostatic type lithium cell group aims at solving current lithium cell and is not good to its temperature environment control to structural stability is not enough, uses unsafe problem.

The utility model is realized in such a way that the constant temperature type lithium battery pack comprises an installation mechanism and a sealing mechanism;

the mounting mechanism comprises a box body, a supporting plate, a side clamping plate, a heating block, a heat absorption pad, a lithium battery body, a temperature sensor, a display screen and a switch, the top of the box body is provided with an opening, the supporting plate is positioned in the box body and is fixedly connected with the bottom wall of the box body, the side clamping plates are provided with two side walls which are respectively positioned on the two opposite side walls in the box body, the side clamping plates are fixedly connected with the side wall of the box body, the heat absorption pad is positioned between the two side clamping plates and fixedly connected with the side clamping plates and the supporting plate, the heating block is arranged in the side clamping plate, the heat absorption pad is internally provided with a groove for accommodating the lithium battery body, the temperature sensor is positioned in the box body, the display screen and the switch are both arranged on the outer wall of the box body, the display screen is electrically connected with the temperature sensor, and the switch is electrically connected with the heating block;

sealing mechanism includes apron, terminal and inner panel, the apron lid is established on the opening at the top of box, the inner panel is fixed the lower surface of apron just hugs closely the inside wall of box, inner panel detachable connects the box, the terminal is fixed the upper surface of apron just is connected through the wire electricity lithium cell body.

Preferably, sealing mechanism still includes two at least sleeve pipes, the sleeve pipe is located the apron with between the lithium cell body, sheathed tube upper end fixed connection the lower surface of apron, swing joint has a telescopic link in the sleeve pipe, the upper end of telescopic link is followed the sheathed tube lower extreme stretches into the sleeve pipe, the outside cover of telescopic link is equipped with the spring, the diameter of spring is less than the sheathed tube diameter, the lower extreme of telescopic link is hugged closely lithium cell body.

Preferably, the lower end of the telescopic rod is provided with a shock pad, and the shock pad is made of rubber materials.

Preferably, the fagging is provided with two, and two the fagging symmetry sets up on the diapire of box, the fagging is through a plurality of first bolted connection the box.

Preferably, the side clamping plates are connected with the side wall of the box body through a plurality of second bolts.

Preferably, the installation mechanism further comprises a heat insulation pad fixed on the inner wall of the box body, and the heat insulation pad is located between the side clamping plate, the supporting plate and the inner surface of the box body.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a thermostatic type lithium cell group, through setting up the box of installation fagging and lateral plate, and install the heat absorption pad between lateral plate and the fagging, the inside lithium cell body that has held of heat absorption pad, the internally mounted of lateral plate has the heating piece, thereby can provide the stable support to heat absorption pad and lithium cell body through lateral plate and fagging, and utilize the heat of heat absorption pad absorption lithium cell, also can utilize heating piece heating lithium cell, in order to keep the operational environment's of lithium cell temperature stability, through setting up the temperature sensor who is used for the internal temperature of detection box, a switch that is used for showing the display screen of temperature and is used for controlling the heating piece, thereby can stabilize the operating temperature of battery in the observation box, it is safer to use.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural view of the sealing mechanism of the present invention;

in the figure: 1-mounting mechanism, 11-box body, 12-supporting plate, 13-first bolt, 14-side clamping plate, 15-second bolt, 16-heating block, 17-heat absorption pad, 18-lithium battery body, 19-temperature sensor, 110-display screen, 111-switch, 112-heat insulation pad, 2-sealing mechanism, 21-cover plate, 22-electric connection column, 23-inner plate, 24-sleeve, 25-telescopic rod, 26-spring and 27-shock pad.

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. 1-2, the present invention provides a technical solution: a constant-temperature lithium battery pack comprises an installation mechanism 1 and a sealing mechanism 2.

The installation mechanism 1 comprises a box body 11, a supporting plate 12, a side clamping plate 14, a heating block 16, a heat absorption pad 17, a lithium battery body 18, a temperature sensor 19, a display screen 110 and a switch 111, wherein the top of the box body 11 is provided with an opening, the supporting plate 12 is positioned in the box body 11 and fixedly connected with the bottom wall of the box body 11, the side clamping plate 14 is provided with two opposite side walls which are respectively positioned in the box body 11, the side clamping plate 14 is fixedly connected with the side wall of the box body 11, the heat absorption pad 17 is positioned between the two side clamping plates 14 and fixedly connected with the side clamping plates 14 and the supporting plate 12, the heating block 16 is arranged inside the side clamping plates 14, a groove for accommodating the lithium battery body 18 is arranged inside the heat absorption pad 17, the temperature sensor 19 is positioned in the box body 11, the display screen 110 and the switch 111 are both arranged on the outer wall of.

Sealing mechanism 2 includes apron 21, terminal 22 and inner panel 23, and apron 21 lid is established on the opening at the top of box 11, and inner panel 23 is fixed at the lower surface of apron 21 and is hugged closely the inside wall of box 11, and inner panel 23 detachable connects box 11, and terminal 22 is fixed at the upper surface of apron 21 and is connected lithium cell body 18 through the wire electricity.

In this embodiment, the box 11 is a rectangular box, the top of which is provided with a rectangular opening, the supporting plate 12 is provided with two supporting pads 17 for supporting the heat absorption pad, the side clamping plate 14 is used for clamping and fixing the heat absorption pad, the top of the groove in the heat absorption pad 17 is provided with an opening for placing the lithium battery body 18, and the heat absorption pad 17 is made of aluminum alloy material and has strong heat conductivity. The heating block 16 can be heated by electricity, the temperature sensor 19 is used for detecting the temperature inside the box body 11, the model of the temperature sensor 19 is pt100, the display screen 110 is used for displaying the temperature detected by the temperature sensor 19, and the switch 111 is used for controlling the heating block 16 to be turned on and off. The heating block, the temperature sensor 19 and the display screen 110 are all provided with power sources through the lithium battery body 18. The cover plate 21 is used for sealing the top of the box body 11, the cover plate 21 is fixed on the box body 11 through an inner plate 23, and the terminal 22 is used for outputting and inputting power for the lithium battery body 18.

Further, sealing mechanism 2 still includes two at least sleeve pipes 24, and sleeve pipe 24 is located between apron 21 and the lithium cell body 18, the lower surface of the upper end fixed connection apron 21 of sleeve pipe 24, and swing joint has a telescopic link 25 in the sleeve pipe 24, and the sleeve pipe 24 is stretched into from sleeve pipe 24's lower extreme in telescopic link 25's upper end, and the outside cover of telescopic link 25 is equipped with spring 26, and the diameter of spring 26 is less than sleeve pipe 24's diameter, and lithium cell body 18 is hugged closely to telescopic link 25's lower extreme.

In the present embodiment, the telescopic rod 25 can perform telescopic movement in the sleeve 24, and the spring 26 provides shock absorption, so that when the cover plate 21 is impacted, the impact force can be reduced through the telescopic rod 25 and the spring 26, and the lithium battery pack is safer to use.

Further, the lower end of the telescopic rod 25 is provided with a shock pad 27, and the shock pad 27 is made of rubber materials.

In the present embodiment, the shock absorbing pad 27 is used to reduce wear between the telescopic rod 25 and the outer case of the lithium battery main body 18, and further reduce damage due to external impact.

Further, the two supporting plates 12 are symmetrically arranged on the bottom wall of the box body 11, and the two supporting plates 12 are connected with the box body 11 through a plurality of first bolts 13.

In this embodiment, the supporting plate 12 can provide stable support like the lithium battery body 18, the first bolt 13 is provided with nuts located at two sides of the supporting plate 12, and the supporting plate 12 fixed by the first bolt 13 is stable in structure and convenient to detach.

Further, the side clamping plates 14 are connected to the side walls of the case 11 by a plurality of second bolts 15.

In this embodiment, nuts located on both sides of the side clamping plate 14 are mounted on the second bolt 15, and the side clamping plate 14 mounted by the second bolt 15 has a stable structure and is convenient to detach.

Further, the mounting mechanism 1 further comprises a heat insulation pad 112, wherein the heat insulation pad 112 is fixed on the inner wall of the box 11, and the heat insulation pad 112 is located between the side clamping plates 14, the supporting plates 12 and the inner surface of the box 11.

In this embodiment, the heat insulation pad 112 is made of asbestos, which can effectively reduce heat dissipation and reduce the influence of the external temperature environment on the lithium battery body.

The utility model discloses a theory of operation and use flow: install lithium cell 18 in the recess of heat absorption pad 17, install the top at box 11 with apron 21 again, the heat that lithium cell 18 during operation produced can be absorbed through heat absorption pad 17, when the temperature in the box 11 is low and influence lithium cell 18's work efficiency, the user observes the temperature that temperature sensor 19 detected through display screen 110, opens the temperature of heating block 16 in order to promote box 11 through switch 111, promotes lithium cell 18's work efficiency. The side clamping plates 14 and the supporting plates 12 provide stable support for the heat absorbing pad 17 and the lithium battery body 18. When the cover plate 21 is impacted, the impact force can be reduced through the telescopic rod 25 and the spring 26, so that the lithium battery pack is safer to use.

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 constant-temperature lithium battery pack is characterized in that: comprises an installation mechanism (1) and a sealing mechanism (2);

the installation mechanism (1) comprises a box body (11), a supporting plate (12), side clamping plates (14), a heating block (16), a heat absorption pad (17), a lithium battery body (18), a temperature sensor (19), a display screen (110) and a switch (111), wherein the top of the box body (11) is provided with an opening, the supporting plate (12) is positioned in the box body (11) and fixedly connected with the bottom wall of the box body (11), the side clamping plates (14) are provided with two opposite side walls which are respectively positioned in the box body (11), the side clamping plates (14) are fixedly connected with the side walls of the box body (11), the heat absorption pad (17) is positioned between the two side clamping plates (14) and fixedly connected with the side clamping plates (14) and the supporting plate (12), the heating block (16) is installed inside the side clamping plates (14), and the heat absorption pad (17) is internally provided with a groove for accommodating the lithium battery body (18), the temperature sensor (19) is positioned in the box body (11), the display screen (110) and the switch (111) are both arranged on the outer wall of the box body (11), the display screen (110) is electrically connected with the temperature sensor (19), and the switch (111) is electrically connected with the heating block (16);

sealing mechanism (2) are including apron (21), terminal (22) and inner panel (23), apron (21) lid is established on the opening at the top of box (11), inner panel (23) are fixed the lower surface of apron (21) just hugs closely the inside wall of box (11), inner panel (23) detachable connects box (11), terminal (22) are fixed the upper surface of apron (21) just is connected through the wire electricity lithium cell body (18).

2. A constant-temperature lithium battery pack according to claim 1, characterized in that: sealing mechanism (2) still includes two at least sleeve pipes (24), sleeve pipe (24) are located apron (21) with between lithium cell body (18), the upper end fixed connection of sleeve pipe (24) the lower surface of apron (21), swing joint has a telescopic link (25) in sleeve pipe (24), the upper end of telescopic link (25) is followed the lower extreme of sleeve pipe (24) stretches into sleeve pipe (24), the outside cover of telescopic link (25) is equipped with spring (26), the diameter of spring (26) is less than the diameter of sleeve pipe (24), the lower extreme of telescopic link (25) is hugged closely lithium cell body (18).

3. A constant-temperature lithium battery pack according to claim 2, characterized in that: shock pad (27) are installed to the lower extreme of telescopic link (25), shock pad (27) adopt rubber materials to make.

4. A constant-temperature lithium battery pack according to claim 1, characterized in that: the supporting plate (12) is provided with two, and two the supporting plate (12) symmetry sets up on the diapire of box (11), the supporting plate (12) are connected through a plurality of first bolts (13) box (11).

5. A constant-temperature lithium battery pack according to claim 3, characterized in that: the side clamping plates (14) are connected with the side wall of the box body (11) through a plurality of second bolts (15).

6. A constant-temperature lithium battery pack according to claim 1, characterized in that: installation mechanism (1) still includes heat insulating mattress (112), heat insulating mattress (112) are fixed on the inner wall of box (11), heat insulating mattress (112) are located side splint (14), fagging (12) and between the internal surface of box (11).