High-temperature-resistant high-rate discharge lithium ion battery
By introducing heat spreaders and heat conduction plates into lithium-ion batteries, combined with temperature sensors and drive blade systems, the heat dissipation problem of lithium-ion batteries under high-temperature environments is solved, achieving stability and safety of high-temperature, high-rate discharge.
Patent Information
- Application Number
- CN202423019561.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-09
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2034-12-09
AI Technical Summary
Conventional lithium-ion batteries experience performance degradation in high-temperature environments. During high-rate discharge, their internal resistance increases and they generate significant heat, leading to capacity decay and shortened lifespan, which poses safety hazards.
A heat spreader and a heat conduction plate are used together. The heat spreader efficiency is monitored by temperature sensors in real time. The drive unit is activated to drive the blades to rotate, which promotes airflow and enhances the heat dissipation effect.
It effectively dissipates heat, preventing capacity decay and increased internal resistance caused by excessive temperature, thus extending battery life and ensuring safety.
Smart Images
Figure CN223927421U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a battery field, concretely is a kind of lithium ion battery of high temperature resistant high rate discharge. BACKGROUND
[0002] Lithium ion battery is a kind of widely used rechargeable battery, it utilizes lithium ion to move between positive and negative to store and release energy, lithium ion battery because of its high energy density, low self-discharge rate, long cycle life and no memory effect etc.
[0003] In high temperature environment, such as the high temperature workshop where some industrial equipment is located, the high temperature atmospheric environment faced by aerospace field etc., the performance of conventional lithium ion battery can be greatly reduced, high temperature can accelerate the chemical reaction inside battery, lead to battery capacity attenuation fasten, shorten life, even possibly cause safety hazard, simultaneously, lithium ion battery when high rate discharge, often there are problems such as internal resistance increase, serious heating, reduce its practical value, therefore, the lithium ion battery of high temperature resistant high rate discharge provided by the person skilled in the art to solve the problems raised in the above background technique. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a kind of lithium ion battery of high temperature resistant high rate discharge to solve the problems raised in the above background technique.
[0005] To achieve the above object, the utility model provides the following technical scheme:
[0006] The utility model provides a kind of high-temperature-resistant high-multiple rate discharge lithium ion battery, including lithium ion battery body, the inner wall of the lithium ion battery body is fixedly connected with battery pack, the outer surface of the battery pack is equipped with heat plate, the left side of the lithium ion battery body and the right side of lithium ion battery body are all set with through opening, the inner wall of each the through opening is fixedly connected with heat conduction plate, the side face of two the heat conduction plate mutually away is fixedly connected with a group of radiating fins, the front of the lithium ion battery body and the back of lithium ion battery body are all set with radiating port, the upper surface of the lithium ion battery body is clamped with sealing cover, the upper surface of the sealing cover is set with two connecting grooves, the inner wall of one the connecting grooves is fixedly connected with negative pole, the inner wall of another the connecting grooves is fixedly connected with positive pole, the front of the heat plate and the back of heat plate are all fixedly connected with a group of mounting seat, the side face of two the mounting seat mutually away is fixedly connected with drive seat, the outer surface of each the drive seat is fixedly connected with a group of vane, the upper surface of the battery pack is fixedly connected with two parallel plates by bolt.
[0007] As a further scheme of the utility model: the bottom of the lithium ion battery body is fixedly connected with base plate, the front of the base plate and the back of base plate are all fixedly connected with fixed block, the upper surface of each the fixed block is set with two mounting holes.
[0008] As a further scheme of the utility model: the upper of the sealing cover is equipped with warning board, the bottom of the warning board and the upper surface of sealing cover are fixedly connected.
[0009] As a further scheme of the utility model: the upper surface of the sealing cover is set with recess, the inner wall of the recess is hinged with handle, the outer surface of the handle is set with antiskid line.
[0010] As a further scheme of the utility model: the side face of two the radiating port mutually away is fixedly connected with filter plate by bolt.
[0011] As a further scheme of the utility model: the front of the heat plate is fixedly connected with potential plate, the front of the potential plate is fixedly connected with temperature sensor.
[0012] As a further scheme of the utility model: the upper surface of the sealing cover is set with installation groove, the inner wall of the installation groove is fixedly connected with parameter signboard.
[0013] Compared with the prior art, the utility model has the advantages that:
[0014] The high-temperature-resistant and high-rate-discharge lithium ion battery can transmit heat to the heat dissipation fins on the outside through the heat conduction plate and the heat distribution plate, so that the heat can be quickly dissipated to the surrounding environment, and problems such as capacity attenuation and internal resistance increase caused by high temperature can be avoided. At the same time, the temperature sensor can monitor the temperature of the battery pack in real time, and when the temperature exceeds the set safety range, the driving seat drives the blades to rotate, promotes air flow and further enhances the heat dissipation effect, so that the high temperature does not damage the internal structure of the battery, prolonging the service life of the battery. BRIEF DESCRIPTION OF DRAWINGS
[0015] Fig. 1 It is a perspective structural schematic diagram of a high-temperature-resistant and high-rate-discharge lithium ion battery.
[0016] Fig. 2 It is a perspective structural schematic diagram of a high-temperature-resistant and high-rate-discharge lithium ion battery from the rear view angle.
[0017] Fig. 3 It is a perspective structural schematic diagram of a temperature sensor in a high-temperature-resistant and high-rate-discharge lithium ion battery.
[0018] Fig. 4 It is a perspective structural schematic diagram of a battery pack in a high-temperature-resistant and high-rate-discharge lithium ion battery.
[0019] In the figure: 1, lithium ion battery body; 2, base plate; 3, fixed block; 4, mounting hole; 5, heat dissipation port; 6, filter plate; 7, through port; 8, heat conduction plate; 9, heat dissipation fin; 10, mounting groove; 11, parameter signboard; 12, sealing cover; 13, groove; 14, handle; 15, connecting groove; 16, negative pole; 17, positive pole; 18, warning sign; 19, heat distribution plate; 20, mounting seat; 21, driving seat; 22, blade; 23, potential plate; 24, temperature sensor; 25, battery pack; 26, parallel plate. DETAILED DESCRIPTION
[0020] In the description of the utility model, need understanding is, the term "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "internal", "external" and so on indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawing, just for the convenience of describing the utility model and simplifying the description, and it is not indicated or implied that the indicated device or element must have a particular orientation, a particular orientation and operation, therefore it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more features. In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more.
[0021] In the description of the utility model, it should be explained that, unless otherwise expressly provided and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, can be detachably connected, or integrally connected, can be mechanically connected, can be electrically connected, can be directly connected, can be indirectly connected through an intermediate medium, and can be connected inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0022] Please refer to Figs. 1-4The utility model discloses a kind of high-temperature-resistant high-multiple discharge lithium ion batteries among embodiments, including lithium ion battery body 1, the inner wall of lithium ion battery body 1 is fixedly connected with battery pack 25, the outer surface of battery pack 25 is equipped with equalizing plate 19, the left side of lithium ion battery body 1 and the right side of lithium ion battery body 1 are all set with through 7, the inner wall of each through 7 is fixedly connected with heat conduction plate 8, the side of two heat conduction plates 8 away from each other is fixedly connected with a group of radiating fins 9, the front of lithium ion battery body 1 and the back of lithium ion battery body 1 are all set with radiating port 5, the upper surface of lithium ion battery body 1 is clamped with sealing cover 12, the upper surface of sealing cover 12 is set with two connecting grooves 15, the inner wall of one connecting groove 15 is fixedly connected with negative pole 16, the inner wall of another connecting groove 15 is fixedly connected with positive pole 17, the front of equalizing plate 19 and the back of equalizing plate 19 are all fixedly connected with a group of mounting seat 20, the side of two groups of mounting seat 20 away from each other is fixedly connected with drive seat 21, the outer surface of each drive seat 21 is fixedly connected with a group of blades 22, the upper surface of battery pack 25 is fixedly connected with two parallel plates 26 by bolt, heat is transferred to the radiating fin 9 outside through heat conduction plate 8, so that heat is quickly dissipated to the surrounding environment, simultaneously, the temperature of battery pack 25 is monitored in real time by temperature sensor 24, when temperature exceeds the set safety range, drive seat 21 is started to drive blade 22 to rotate, air flow is promoted to further enhance the heat dissipation effect, can avoid that the internal structure of battery is damaged due to temperature is too high, prolong the service life of battery.
[0023] The bottom of lithium ion battery body 1 is fixedly connected with substrate 2, the front of substrate 2 and the back of substrate 2 are all fixedly connected with fixed block 3, the upper surface of each fixed block 3 is set with two mounting holes 4, the staff can operate the device by the setting of fixed block 3, the upper side of sealing cover 12 is equipped with warning board 18, the bottom of warning board 18 is fixedly connected with the upper surface of sealing cover 12, the dangerous signal can be released to avoid irrelevant personnel to be mistaken by the setting of warning board 18, the upper surface of sealing cover 12 is set with recess 13, the inner wall of recess 13 is hinged with handle 14, the outer surface of handle 14 is set with anti-skid line, the staff can carry lithium ion battery body 1 by the setting of handle 14.
[0024] The side of two radiating ports 5 away from each other is fixedly connected with filter plate 6 by bolt, the dust can be filtered by the setting of filter plate 6, the front of equalizing plate 19 is fixedly connected with potential plate 23, the front of potential plate 23 is fixedly connected with temperature sensor 24, the temperature can be detected and drive seat 21 is controlled to start and stop by the setting of temperature sensor 24, the upper surface of sealing cover 12 is set with mounting groove 10, the inner wall of mounting groove 10 is fixedly connected with parameter signboard 11, the staff can understand the basic parameter information of the device by the setting of parameter signboard 11.
[0025] The working principle of the utility model is: when using, first, the device is moved to the use place, and is installed through fixed block 3 and mounting hole 4, and is connected with external equipment or charger through negative pole post 16 and positive pole post 17 by wire, realizes the input or output of electric energy, when the battery group 25 generates heat in the working process, the heat is first conducted to the heat spreading plate 19 that is sleeved on its outer surface, and then is conducted to the heat conducting plate 8 through the heat spreading plate 19, and the heat conducting plate 8 further transmits the heat to the heat dissipation fin 9 on the outside, so that the heat is quickly dissipated to the surrounding environment, and the temperature of the battery group 25 is monitored in real time through the temperature sensor 24, when the temperature exceeds the set safety range, the driving seat 21 is started to drive the blade 22 to rotate, and the air flow is promoted to further enhance the heat dissipation effect.
[0026] The above is only the preferred specific implementation of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, and all should be covered in the protection scope of the utility model.For those skilled in the art, obviously, the utility model is not limited to the details of the above exemplary embodiments, and can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the utility model is defined by the appended claims rather than the above description, therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims.
[0027] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, the skilled person should regard the specification as a whole, and the technical solutions in each embodiment can also be combined appropriately to form other embodiments that the skilled person can understand.
Claims
1. A high-temperature-resistant and high-rate-dischargeable lithium-ion battery comprising a lithium-ion battery body (1), characterized in that, The inner wall of the lithium ion battery body (1) is fixedly connected with a battery pack (25), the outer surface of the battery pack (25) is sleeved with a heat plate (19), the left side of the lithium ion battery body (1) and the right side of the lithium ion battery body (1) are both provided with a through port (7), the inner wall of each through port (7) is fixedly connected with a heat conduction plate (8), the side face of the two heat conduction plates (8) away from each other is fixedly connected with a group of heat dissipation fins (9), the front face of the lithium ion battery body (1) and the back face of the lithium ion battery body (1) are both provided with a heat dissipation port (5), the upper surface of the lithium ion battery body (1) is clamped with a sealing cover (12), the upper surface of the sealing cover (12) is provided with two connecting grooves (15), the inner wall of one of the connecting grooves (15) is fixedly connected with a negative pole (16), and the inner wall of the other connecting groove (15) is fixedly connected with a positive pole (17), the front face of the heat plate (19) and the back face of the heat plate (19) are both fixedly connected with a group of mounting seats (20), the side face of the two groups of mounting seats (20) away from each other is fixedly connected with a driving seat (21), the outer surface of each driving seat (21) is fixedly connected with a group of blades (22), and the upper surface of the battery pack (25) is fixedly connected with two parallel plates (26) through bolts.
2. The high-temperature and high-rate dischargeable lithium ion battery of claim 1, wherein, The bottom surface of the lithium ion battery body (1) is fixedly connected with a base plate (2), the front face of the base plate (2) and the back face of the base plate (2) are both fixedly connected with a fixed block (3), and the upper surface of each fixed block (3) is provided with two mounting holes (4).
3. The high-temperature and high-rate dischargeable lithium-ion battery according to claim 1, wherein, The upper side of the sealing cover (12) is provided with a warning sign (18), and the bottom surface of the warning sign (18) is fixedly connected with the upper surface of the sealing cover (12).
4. The high-temperature and high-rate dischargeable lithium-ion battery according to claim 1, characterized in that, The upper surface of the sealing cover (12) is provided with a groove (13), the inner wall of the groove (13) is hinged with a handle (14), and the outer surface of the handle (14) is provided with anti-skid lines.
5. The high-temperature and high-rate dischargeable lithium-ion battery according to claim 1, wherein, The side face of the two heat dissipation ports (5) away from each other is fixedly connected with a filter plate (6) through bolts.
6. The high-temperature and high-rate dischargeable lithium-ion battery according to claim 1, wherein, The front face of the heat plate (19) is fixedly connected with a potential plate (23), and the front face of the potential plate (23) is fixedly connected with a temperature sensor (24).
7. The high-temperature and high-rate dischargeable lithium-ion battery according to claim 1, wherein, The upper surface of the sealing cover (12) is provided with a mounting groove (10), and the inner wall of the mounting groove (10) is fixedly connected with a parameter signboard (11).