Heating, heat preservation and charging device for battery pack of unmanned aerial vehicle
By designing the heating, insulation and charging device for the drone battery pack, the problem of lithium batteries being unable to charge and discharge in low-temperature environments is solved, and the rapid heating and constant temperature storage of lithium batteries are achieved, which improves the adaptability of the drone.
Patent Information
- Application Number
- CN202422275548.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-14
- Publication Date
- 2025-09-05
- Estimated Expiration
- 2034-09-14
AI Technical Summary
In low temperature environments, the performance of lithium batteries is affected, resulting in the inability of drones to take off in time. The existing technology cannot effectively solve the charging and discharging problems of lithium batteries in cold areas.
A heating, insulation and charging device for a UAV battery pack is designed, including a first inner liner and a second inner liner in the box, and a heating assembly and a temperature probe are respectively provided. The heating assembly is adjusted through the control unit to maintain a suitable temperature. It is equipped with a power supply plug and a power supply system to support the heating, insulation and charging of lithium batteries.
It realizes rapid heating and constant temperature storage of drone batteries in low temperature environments, ensures the charging efficiency of lithium batteries, and improves the adaptability of drones in harsh environments.
Smart Images

Figure CN223309077U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of drone charging, in particular to a heating, heat preservation and charging device for a drone battery pack. Background Art
[0002] As an emerging industry, the low-altitude economy holds broad development prospects, with drones being a prime example. Lithium batteries, due to their high energy density, light weight, fast charging, and lack of memory effect, have been widely used in drones, automobiles, mobile phones, laptops, energy storage systems, and other fields. In low-temperature environments, lithium battery performance is significantly affected by changes in electrolyte properties, a decrease in chemical reaction rates, and a reduction in available capacity. This is manifested in decreased energy release, reduced power, and a reduction in actual available capacity. To protect lithium batteries, the battery management system (BMS) incorporates a protection function when the ambient temperature is low, preventing the battery from charging or discharging. In certain scenarios, such as aerial photography in cold winter regions, drones can be delayed due to low temperatures and unable to take off in time, leading to delays in operation. Utility Model Content
[0003] The technical problem to be solved by the utility model is to provide a heating, heat preservation and charging device for a drone battery pack which has a reasonable structure and can ensure that the drone charging environment is at an appropriate temperature.
[0004] In order to solve the above technical problems, the technical solution adopted by the present invention is: a heating, insulation and charging device for a drone battery pack, comprising a box body, in which a first inner liner, a second inner liner, a power supply and a control unit are arranged, and the first inner liner, the second inner liner and the box body are filled with insulation material, the first inner liner is provided with a first heating component and a first temperature probe, the second inner liner is provided with a second heating component, a second temperature probe and a power strip, the power supply is electrically connected to the control unit and the power strip respectively, and the control unit is connected to the first heating component, the first temperature probe, the second heating component and the second temperature probe respectively.
[0005] Furthermore, the first heating assembly includes at least three first heating films, and the at least three first heating films are respectively arranged on the left side wall of the first inner container, the right side wall of the first inner container, and the upper wall or the lower wall of the first inner container;
[0006] The second heating assembly includes at least three second heating films, which are respectively arranged on the left side wall of the second inner pot, the right side wall of the second inner pot, and the upper wall or lower wall of the second inner pot.
[0007] Furthermore, the first heating film and the second heating film are both one of infrared heating films, semiconductor heating films, graphene heating films or carbon fiber heating films.
[0008] Furthermore, a first temperature measuring cavity is provided on the outside of the first inner liner, the first inner liner is connected to the first temperature measuring cavity through a first through hole provided on the inner wall of the first inner liner, and the first temperature probe is provided in the first temperature measuring cavity; a second temperature measuring cavity is provided on the outside of the second inner liner, the second inner liner is connected to the second temperature measuring cavity through a second through hole provided on the inner wall of the second inner liner, and the second temperature probe is provided in the second temperature measuring cavity.
[0009] Furthermore, the first temperature probe and the second temperature probe are temperature sensors, and the temperature sensors are contact temperature sensors or non-contact temperature sensors;
[0010] The contact temperature sensor is a thermocouple or a thermal resistor, and the non-contact temperature sensor is an infrared temperature measuring probe.
[0011] Furthermore, the box is provided with a power supply compartment, and the power supply and control unit are both arranged in the power supply compartment. The power supply includes a power module and a battery pack. The power module is electrically connected to the control unit, the battery pack and the power strip respectively, and the battery pack is electrically connected to the control unit.
[0012] Furthermore, the power supply also includes an inverter, and the battery pack is electrically connected to the power strip via the inverter.
[0013] Furthermore, the box body is provided with a power supply compartment panel corresponding to the power supply compartment, and the power supply compartment panel is provided with a power strip.
[0014] Furthermore, the power strip includes a national standard socket, USB-A, USB-B, Type-C, Micro USB and DC interfaces.
[0015] Furthermore, universal wheels are provided at the bottom of the box.
[0016] The beneficial effects of the present invention are: providing a heating, insulation and charging device for drone battery packs with a reasonable structure, high integration and easy use. Through this device, the storage, transportation and charging management of multiple drone batteries can be realized. During transportation, the internal temperature of the device is maintained at a constant state, so that the temperature of the drone battery is always in the best and most suitable working state, ensuring the performance of the drone battery; it can quickly heat up the drone battery, so that the drone battery can be charged in a suitable temperature environment, thereby making the drone battery more adaptable to harsh low-temperature environments. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] The specific structure of the utility model is described in detail below with reference to the accompanying drawings:
[0018] Figure 1This is a schematic diagram of the exploded structure of the heating, heat preservation and charging device for the battery pack of a drone of the present invention;
[0019] Figure 2 This is a schematic diagram of the explosion structure of the second inner container of the present invention;
[0020] 1-square frame; 2-top plate; 3-side baffle; 4-back plate;
[0021] 5-first door cover; 51-touch screen;
[0022] 6- second door cover; 7- first liner;
[0023] 8-second liner; 81-second temperature probe; 82-second heating film; 85-thermal insulation material; 86-second box body;
[0024] 9- bottom plate;
[0025] 10-power compartment panel; 101-battery pack;
[0026] 11-Power strip; 12-Universal wheel. DETAILED DESCRIPTION
[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0028] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and 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 therefore should not be understood as a limitation on the present invention.
[0029] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features being referred to. Thus, features defined as "first" or "second" may explicitly or implicitly include one or more features. In the description of this utility model, "plurality" means two or more, unless otherwise specifically defined.
[0030] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; internal communication between two components or interaction between two components. For those skilled in the art, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.
[0031] In the present invention, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Moreover, a first feature being "above," "above," and "above" a second feature may include the first feature being directly above or obliquely above the second feature, or may simply mean that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may include the first feature being directly below or obliquely below the second feature, or may simply mean that the first feature is lower in level than the second feature.
[0032] In the description of this specification, the reference terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic expressions of the above terms should not be understood as necessarily referring to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification.
[0033] Example
[0034] See also Figure 1 as well as Figure 2 This embodiment provides a heating, insulation and charging device for a drone battery pack, including a box body, wherein a first inner liner, a second inner liner, a power supply and a control unit are arranged in the box body, and the first inner liner, the second inner liner and the box body are filled with insulation material. The first inner liner is provided with a first heating component and a first temperature probe, and the second inner liner is provided with a second heating component, a second temperature probe and a power strip. The power supply is electrically connected to the control unit and the power strip respectively, and the control unit is connected to the first heating component, the first temperature probe, the second heating component and the second temperature probe respectively.
[0035] In this embodiment, the box body includes a square tube frame 1, a top plate 2, a first partition, a second partition, a side baffle 3, a back plate 4, a first door cover 5 and a second door cover 6. The top plate 2 is arranged on the top layer of the square tube frame 1, the first partition and the second partition are arranged on the square tube frame 1, and the side baffle 3 and the back plate 4 are arranged around the square tube frame 1 to separate the square tube frame 1 into a first accommodating chamber and a second accommodating chamber, wherein a first liner 7 and a first temperature probe are provided in the first accommodating chamber, the first liner 7 is provided with a first heating component, the second liner 8 is provided in the second accommodating chamber, the second liner 8 is provided with a second heating component, a second temperature probe 81 and a power strip 11, and the side baffle 3 is in front of the square tube frame 1. A first opening is provided corresponding to the first inner liner 7, and a second opening is provided corresponding to the second inner liner 8. The first door cover 5 and the second door cover 6 are both installed on the square frame 1 through hinges. The first door cover 5 can cover the first opening, and the second door cover 6 can cover the second opening. In order to facilitate the opening of the first door cover 5 and the second door cover 6, the first door cover 5 and the second door cover 6 are both provided with door handles. The power supply and the control unit are both arranged on the bottom plate 9 at the bottom of the square frame 1. The power supply is electrically connected to the control unit and the power strip 11 respectively, and the control unit is connected to the first heating component, the first temperature probe, the second heating component and the second temperature probe 81 respectively.
[0036] The control unit can obtain the temperature of the first inner liner 7 and the second inner liner 8 through the first temperature probe and the second temperature probe, and control the output power of the first heating component and / or the second heating component through the built-in program to ensure that the environment in the first inner liner 7 and the second inner liner 8 is at a suitable temperature at any time.
[0037] In order to facilitate the user to check the environmental conditions of the first inner liner 7 and the second inner liner 8, the first door cover 5 is provided with a touch screen 51, which is connected to the control unit and can display the environmental information of the first inner liner 7 and the second inner liner 8 on the touch screen 51.
[0038] The control unit can control the first heating component to heat the first inner liner 7 to ensure that the temperature of the drone battery in the first inner liner 7 remains at an appropriate level during transportation. The control unit can also use the second heating component to heat the second inner liner 8, rapidly heating the drone battery in the second inner liner 8 to a suitable temperature, and power the electronic equipment in the second inner liner 8 through the power strip 11 to facilitate charging of the drone battery.
[0039] The first inner liner 7, the second inner liner 8 and the box body are filled with insulation material 85, which can be insulation cotton or polystyrene foam. By filling the first inner liner 7, the second inner liner 8 and the box body with insulation material 85, the thermal insulation effect of the device can be ensured and energy loss can be reduced.
[0040] In one embodiment, improvements are made to the first heating component and the second heating component to ensure heating efficiency and heating effect.
[0041] Specifically, the first heating assembly includes at least three first heating films, which are respectively arranged on the left side wall of the first inner container, the right side wall of the first inner container, and the upper wall or lower wall of the first inner container;
[0042] The second heating assembly includes at least three second heating films 82 , which are respectively arranged on the left side wall, the right side wall, and the upper wall or the lower wall of the second inner pot 8 .
[0043] In this embodiment, a first heating film is attached to the outer side of the left side wall of the first inner liner, a first heating film is attached to the outer side of the right side wall of the first inner liner, and finally a first heating film is attached to the outer side of the upper wall of the first inner liner or the outer side of the lower wall of the first inner liner. The first inner liner is heated from three directions at the same time, which can ensure the heating efficiency and heat preservation effect of the first inner liner.
[0044] A second heating film 82 is attached to the outside of the left side wall of the second inner liner 8, another second heating film 82 is attached to the outside of the right side wall of the second inner liner 8, and finally another second heating film 82 is attached to the outside of the upper wall of the second inner liner 8 or the outside of the lower wall of the second inner liner 8. The second inner liner 8 is heated from three directions simultaneously, which can ensure the heating efficiency and heat preservation effect of the second inner liner 8. Attaching the heating film to the outside of the first inner liner 7 or the second inner liner 8 can avoid occupying the internal space of the first inner liner 7 and the second inner liner 8, and also facilitates the routing of the heating film.
[0045] Preferably, the first heating film and the second heating film are both one of infrared heating films, semiconductor heating films, graphene heating films or carbon fiber heating films.
[0046] Infrared heating film has strong penetrating power and can heat both inside and outside at the same time. It does not require heat transfer medium and can also heat in a vacuum environment. It has good thermal efficiency and can heat locally, saving energy.
[0047] Semiconductor heating film can generate greater heat at a lower voltage and has the advantages of high efficiency and energy saving;
[0048] Graphene heating film has extremely high conductivity, is ultra-thin and ultra-light, is easy to apply to different objects, has good high temperature stability and high energy efficiency;
[0049] Carbon fiber heating film has the advantages of fast heating, high electric heat conversion efficiency (over 98%), high temperature resistance, oxidation resistance and long service life.
[0050] Infrared heating film, semiconductor heating film, graphene heating film or carbon fiber heating film can all be used in heating, insulation and charging devices for drone battery packs.
[0051] In one embodiment, improvements have been made to temperature detection to ensure reliability and space utilization. Specifically, a first temperature measurement cavity is provided on the outside of the first inner liner, the first inner liner communicates with the first temperature measurement cavity via a first through-hole provided on the side wall of the first inner liner, and the first temperature probe is disposed in the first temperature measurement cavity. A second temperature measurement cavity is provided on the outside of the second inner liner, the second inner liner communicates with the second temperature measurement cavity via a second through-hole provided on the inner wall of the second inner liner, and the second temperature probe is disposed in the second temperature measurement cavity.
[0052] In this embodiment, in order to prevent the first temperature probe from affecting the placement of the battery in the first accommodating cavity, a first box body is provided on the outside of the first liner, and the first temperature probe is arranged in the first box body. An opening is provided on the side of the first box body facing the first liner, and the first box body is fixed to the outside of the first liner by screws. The interior of the first box body forms a first temperature measuring cavity, and a first through hole is provided on the side wall of the first liner corresponding to the first temperature measuring cavity. The first liner is connected to the first temperature measuring cavity through the first through hole, which can avoid the first temperature probe from occupying the space of the first liner while ensuring the accuracy of the temperature detection of the first accommodating cavity. Similarly, a second box body 86 is provided on the outside of the second inner liner, and the second temperature probe 81 is arranged in the second box body 86. The second box body 86 is provided with an opening on the side facing the second inner liner 8. The second box body 86 is fixed to the outside of the second inner liner 8 by screws. The interior of the second box body 86 forms a second temperature measuring cavity, and a second through hole is provided on the side wall of the second inner liner 8 corresponding to the second temperature measuring cavity. The second inner liner 8 is connected to the second temperature measuring cavity through the second through hole, which can avoid the second temperature probe 81 from occupying the space of the second inner liner while ensuring the accuracy and reliability of the temperature detection of the second accommodating cavity.
[0053] Preferably, the first temperature probe and the second temperature probe 81 are temperature sensors, and the temperature sensors are contact temperature sensors or non-contact temperature sensors;
[0054] The contact temperature sensor is a thermocouple or a thermal resistor, and the non-contact temperature sensor is an infrared temperature measuring probe.
[0055] The ambient temperature in the first inner liner 7 and the second inner liner 8 can be accurately obtained by using a contact temperature sensor or a non-contact temperature sensor, and different temperature measurement methods can be selected according to needs.
[0056] In one embodiment, the structure of the box is improved to ensure efficient utilization of the box space. Specifically, the box is provided with a power supply compartment, in which the power supply and control unit are both disposed. The power supply includes a power module and a battery pack 101. The power module is electrically connected to the control unit, the battery pack 101, and the power strip, respectively. The battery pack 101 is electrically connected to the control unit.
[0057] In this embodiment, by providing a power supply compartment under the box body and placing the heavier power supply and control unit in the power supply compartment, the center of gravity of the box body can be lowered and the risk of tipping can be avoided.
[0058] The power supply specifically includes a power module and a battery pack 101. The power module can directly transfer the AC power to the power strip for power supply. At the same time, the power module can convert the AC power into a suitable voltage to power the control unit, and can also charge the battery pack 101.
[0059] The battery pack 101 is electrically connected to the control unit. When there is no mains power input, the battery pack 101 can power the control unit to ensure that the temperature environment of the first inner liner 7 and the second inner liner 8 remains unchanged during transportation.
[0060] The battery pack is preferably a lithium battery pack, a lithium iron phosphate battery pack, a lead-acid battery pack or a nickel-metal hydride battery pack.
[0061] In one embodiment, the structure of the power supply is improved to ensure that the device can adapt to more usage scenarios. Specifically, the power supply further includes an inverter, and the battery pack 101 is electrically connected to the power strip via the inverter.
[0062] In this embodiment, the power supply also includes an inverter, and the battery pack 101 is electrically connected to the power strip through the inverter. When there is no AC power input, the battery pack 101 can convert low-voltage electricity into AC power to power the power strip 11, and then charge digital products such as drone batteries through the power strip 11.
[0063] In one embodiment, the structure of the box is improved to ensure the convenience of use of the device. Specifically, the box is provided with a power supply compartment panel 10 corresponding to the power supply compartment, and the power supply compartment panel 10 is provided with a power strip.
[0064] In this embodiment, the power compartment is equipped with a power compartment panel 10. This panel and back panel 4 surround the rectangular frame 1, forming a power compartment below the second accommodating cavity. A power strip is located on panel 10, allowing devices that do not need to be placed in the enclosure to conveniently access power from the strip. A vent is provided on back panel 4, corresponding to the power compartment, to dissipate heat generated by the power supply to the outside world, ensuring stable operation.
[0065] In one embodiment, the structure of the power strip is improved to ensure the convenience of use. Specifically, the power strip includes a national standard socket, USB-A, USB-B, Type-C, Micro USB and DC interfaces.
[0066] In this embodiment, in order to facilitate power supply, the power strip 11 has three national standard sockets, each of which includes a three-hole socket and a two-hole socket. A power conversion module is provided inside the power strip 11. The input end of the power conversion module is connected to the AC power, and the output end of the power conversion module is electrically connected to the USB-A, USB-B, Type-C, Micro USB and DC interfaces respectively.
[0067] Electrical devices can be plugged into a three-hole or two-hole socket to obtain AC power, or they can directly obtain the corresponding charging voltage that supports the fast charging protocol through the USB-A, USB-B, Type-C, Micro USB and / or DC interface.
[0068] In one embodiment, the structure of the box is improved to ensure the convenience of use of the device. Specifically, universal wheels 12 are provided at the bottom of the box.
[0069] In this embodiment, in order to facilitate the movement of the device, at least two universal wheels 12 are provided at the bottom of the square tube frame 1 of the box body, which can facilitate the user to move the device. The universal wheels 12 are provided with a locking structure. When it is not necessary to move, the universal wheels 12 can be locked by the locking structure to prevent the device from moving accidentally.
[0070] From the above description, it can be seen that the beneficial effects of the present invention are: providing a heating, insulation and charging device for drone battery packs with a reasonable structure, high integration and easy use. Through this device, the storage, transportation and charging management of multiple drone batteries can be realized. During transportation, the internal temperature of the device is maintained at a constant state, so that the temperature of the drone battery is in the best and most suitable working state at any time, ensuring the performance of the drone battery; it can quickly heat up the drone battery, so that the drone battery can be charged in a suitable temperature environment, thereby making the drone battery more adaptable to harsh low-temperature environments.
[0071] It is easy for those skilled in the art to understand that the above embodiments can be freely combined and superimposed without conflict.
[0072] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.
Claims
1. A heating, heat preservation and charging device for a drone battery pack, characterized by: The invention comprises a box body, wherein a first inner liner, a second inner liner, a power supply and a control unit are arranged in the box body, a heat-insulating material is filled between the first inner liner, the second inner liner and the box body, the first inner liner is provided with a first heating component and a first temperature probe, the second inner liner is provided with a second heating component, a second temperature probe and a power strip, the power supply is electrically connected to the control unit and the power strip respectively, and the control unit is connected to the first heating component, the first temperature probe, the second heating component and the second temperature probe respectively; A first temperature measuring cavity is provided on the outside of the first inner container, the first inner container is connected to the first temperature measuring cavity via a first through hole provided on the inner wall of the first inner container, and the first temperature probe is provided in the first temperature measuring cavity; a second temperature measuring cavity is provided on the outside of the second inner container, the second inner container is connected to the second temperature measuring cavity via a second through hole provided on the inner wall of the second inner container, and the second temperature probe is provided in the second temperature measuring cavity; A first box body is provided on the outside of the first inner liner, and the first temperature probe is arranged in the first box body. An opening is provided on the side of the first box body facing the first inner liner. The first box body is fixed to the outside of the first inner liner by screws, and a first temperature measuring cavity is formed inside the first box body. A first through hole is provided on the side wall of the first inner liner corresponding to the first temperature measuring cavity, and the first inner liner is connected to the first temperature measuring cavity through the first through hole; a second box body is provided on the outside of the second inner liner, and the second temperature probe is arranged in the second box body. An opening is provided on the side of the second box body facing the second inner liner, and the second box body is fixed to the outside of the second inner liner by screws, and a second temperature measuring cavity is formed inside the second box body. A second through hole is provided on the side wall of the second inner liner corresponding to the second temperature measuring cavity, and the second inner liner is connected to the second temperature measuring cavity through the second through hole.
2. The heating, heat preservation and charging device for a drone battery pack according to claim 1, characterized in that: The first heating assembly includes at least three first heating films, which are respectively arranged on the left side wall of the first inner container, the right side wall of the first inner container, and the upper wall or the lower wall of the first inner container; The second heating assembly includes at least three second heating films, which are respectively arranged on the left side wall of the second inner pot, the right side wall of the second inner pot, and the upper wall or lower wall of the second inner pot.
3. The heating, heat preservation and charging device for a drone battery pack according to claim 2, characterized in that: The first heating film and the second heating film are both one of an infrared heating film, a semiconductor heating film, a graphene heating film or a carbon fiber heating film.
4. The heating, heat preservation and charging device for a drone battery pack according to claim 1, characterized in that: The first temperature probe and the second temperature probe are temperature sensors, and the temperature sensors are contact temperature sensors or non-contact temperature sensors; The contact temperature sensor is a thermocouple or a thermal resistor, and the non-contact temperature sensor is an infrared temperature measuring probe.
5. The heating, heat preservation and charging device for a drone battery pack according to claim 1, characterized in that: The box body is provided with a power supply compartment, and the power supply and control unit are both arranged in the power supply compartment. The power supply includes a power module and a battery pack. The power module is electrically connected to the control unit, the battery pack and the power strip respectively, and the battery pack is electrically connected to the control unit.
6. The heating, heat preservation and charging device for a drone battery pack according to claim 5, characterized in that: The power supply further includes an inverter, and the battery pack is electrically connected to the power strip via the inverter.
7. The heating, heat preservation and charging device for a drone battery pack according to claim 5, characterized in that: The box body is provided with a power supply compartment panel corresponding to the power supply compartment, and the power supply compartment panel is provided with a power strip.
8. The heating, heat preservation and charging device for a drone battery pack according to claim 1 or 7, characterized in that: The power strip includes a national standard socket, USB-A, USB-B, Type-C, Micro USB and DC interfaces.
9. The heating, heat preservation and charging device for a drone battery pack according to claim 1, characterized in that: The bottom of the box is provided with universal wheels.