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Temperature management device and temperature control method for power battery of unmanned aerial vehicle

A management device and power technology, applied in secondary batteries, auxiliary power equipment, circuits, etc., can solve the problem of shortening the cycle life of lithium-ion batteries, degrading the performance of lithium-ion battery materials, affecting the safety of lithium-ion batteries, etc. problems, to achieve the effect of expanding the use environment, strong practicability, and easy maintenance

Pending Publication Date: 2021-03-12
西安因诺航空科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, although some studies have considered the harm of low temperature environment to batteries and proposed some protective measures, high temperature environment has a greater impact on batteries.
High current charging and discharging, coupled with high ambient temperature, will lead to the degradation of the performance of lithium-ion battery materials, which will greatly shorten the cycle life of lithium-ion batteries, and even affect the safety of lithium-ion batteries

Method used

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  • Temperature management device and temperature control method for power battery of unmanned aerial vehicle
  • Temperature management device and temperature control method for power battery of unmanned aerial vehicle
  • Temperature management device and temperature control method for power battery of unmanned aerial vehicle

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] Such as figure 1 As shown, a temperature management device for a power battery of an unmanned aerial vehicle includes a box body 1, a control module is installed on the side wall of the box body 1, and the control module includes a control circuit board 3 and a temperature sensor electrically connected to the control circuit board 3 4. A through hole communicating with the inside and outside is opened on one side wall of the box body 1, and a cooling fan 2 is installed on the through hole, and the cooling fan 2 is electrically connected to the control circuit board 3; a battery 6 is fixed inside the box body 1, and the battery 6 They are respectively electrically connected to the control module and the cooling fan 2; a protective layer 5 is provided on the side wall of the box body 1, and the protective layer 5 includes a heating layer 53, and the heating layer is electrically connected to the control circuit board 3 and the battery 6 respectively. The cooling fan 2 and...

Embodiment 2

[0038] Except for the following content, all the other contents are the same as in Example 1.

[0039] Such as image 3 As shown, the top of the box body 1 is provided with an upper cover 11 capable of closing the box body 1;

Embodiment 3

[0041] Except for the following content, all the other contents are the same as in Example 1.

[0042] Such as Figure 4 As shown, the protective layer 5 also includes an insulating layer 51 and an insulating layer 52, the insulating layer 51 is provided with two layers, the heating layer 53 is located between the two insulating layers 51, and the insulating layer 51 is arranged on the side near the inner wall of the box body 1, That is, the protective layer 5 has 4 layers in total, and along the direction from the inner wall of the box body 1 to the outer wall, an insulating layer 52 , an insulating layer 51 , a heating layer 53 and an insulating layer 51 are sequentially provided. The protective layer 5 is arranged on two side walls parallel to each other inside the box body 1 .

[0043] A temperature control method based on a temperature management device, comprising:

[0044] Fix the battery 6 inside the box body 1, and fix the box body 1 on the drone. When working, the ...

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PUM

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Abstract

The invention discloses a temperature management device and a temperature control method for a power battery of an unmanned aerial vehicle, and belongs to the technical field of unmanned aerial vehicle application. By installing the temperature sensor and the control circuit board in the box body, the charging and discharging temperature of the battery can be obtained in real time, and the batterycan be cooled and heated through the cooling fan and the heating layer, so that the use temperature of the lithium ion battery is kept within a certain range, and the influence of extreme temperatureon the charging and discharging performance and the safety performance of the battery can be avoided; the service life and safety of the battery are ensured as much as possible, and the use environment of the unmanned aerial vehicle can be greatly expanded. The device is simple in structure, rigorous in design, convenient to carry and install and high in practicability.

Description

technical field [0001] The invention belongs to the field of unmanned aerial vehicle application technology, and relates to a temperature management device and a temperature control method for a power battery of an unmanned aerial vehicle. Background technique [0002] The power battery is the main energy source of the electric UAV, and its performance directly affects the key technical indicators such as the endurance time and range of the UAV. Compared with other types of batteries, lithium-ion batteries have high energy density and power density, and have great advantages in cycle life and safety. Therefore, lithium-ion batteries are currently used as power batteries for electric drones. [0003] At present, there are many application scenarios for drones, and the temperature of the environment in which they are used varies greatly. However, lithium-ion batteries are sensitive to temperature changes. Too low or too high temperatures will have a huge impact on the electro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/48H01M10/613H01M10/635H01M10/6563B64D41/00
CPCB64D41/00H01M10/486H01M10/613H01M10/635H01M10/6563Y02E60/10
Inventor 张海浪
Owner 西安因诺航空科技有限公司
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