Lithium battery heat preservation box for unmanned aerial vehicle

Abstract

The utility model relates to the technical field of lithium battery heat preservation, in particular to a lithium battery heat preservation box for an unmanned aerial vehicle, which comprises a box body, a lithium battery is arranged in the box body, a digital display temperature control meter is arranged outside the box body, a temperature sensor and a heating film are arranged in the box body, and the heating film is arranged in the box body. One end of the digital display temperature control meter is electrically connected with the temperature sensor, and the other end of the digital display temperature control meter is electrically connected with the heating film. According to the utility model, the temperature sensor collects the temperature in the box and feeds back the temperature to the digital display temperature control meter, and the digital display temperature control meter controls the start and stop of the heating film according to a set temperature range, so that the temperature in the heat preservation box is maintained at a better environment working temperature of 15-25 DEG C for the lithium battery, thereby preserving the heat of the lithium battery in the heat preservation box.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of lithium battery heat preservation, specifically relates to a lithium battery heat preservation box for unmanned plane. BACKGROUND

[0002] When unmanned plane is tested in winter, the lithium battery has poor low-temperature discharge performance because the external temperature is below 0 DEG C, and the endurance time is shortened, and the better working environment temperature of the lithium battery is 15 DEG C to 25 DEG C, in order to keep the better discharge performance of the lithium battery, the utility model discloses a lithium battery heat preservation box for unmanned plane.

[0003] The information disclosed in this BACKGROUND section is only for the purpose of increasing the understanding of the background of the utility model and should not be regarded as an acknowledgment or any form of suggestion that this information forms prior art that is publicly known. SUMMARY

[0004] The utility model aims at overcoming the deficiency in the prior art, and provides a lithium battery heat preservation box for unmanned plane for keeping the temperature of lithium battery in low-temperature environment.

[0005] In order to achieve the above technical effects, the utility model adopts the following technical scheme:

[0006] The utility model provides a lithium battery heat preservation box for unmanned plane, including the box, lithium battery is placed in the box, digital temperature controller is installed outside the box, temperature sensor and heating film are installed in the box, one end of digital temperature controller is electrically connected with temperature sensor, and the other end is electrically connected with heating film.

[0007] Further, the inner layer of the box is PP material, the outer layer is HDPE material, and the middle layer is a polyurethane foaming heat preservation layer.

[0008] Further, the box also has a fan.

[0009] Further, it also includes a power supply system, the power supply system includes AC220V interface, AC / DC converter, heating battery, 24VDC interface, diode, fuse and power supply switch, the AC220V interface is installed outside the box and is electrically connected with the AC / DC converter, one end of the 24VDC interface is electrically connected with the heating battery, and the other end is connected with the AC / DC converter through the diode, the AC / DC converter is connected with the power supply switch through the diode, and the power supply switch is electrically connected with the temperature sensor, digital temperature controller, heating film and fan.

[0010] Further, the AC / DC converter and the power supply switch are connected with the fuse. Further, the AC / DC converter and the power supply switch are connected with the fuse.

[0011] Further, a fuse is connected between the digital display temperature controller and the heating film.

[0012] Further, a partition frame for placing the lithium battery is installed in the box.

[0013] Further, a support is installed in the box, and a metal plate is supported on the support, and the heating film is bonded on the metal plate.

[0014] Further, the heating film is a polyimide heating film.

[0015] Compared with the prior art, the utility model has the beneficial effects that:

[0016] The utility model provides a lithium battery heat preservation box for unmanned plane, through temperature sensor collection box temperature and feedback to digital display temperature controller, digital display temperature controller according to the temperature range set control heating film's start-stop, make the temperature in heat preservation box maintain between the better environment working temperature 15 DEG C of lithium battery ~ 25 DEG C, to the lithium battery in heat preservation box is kept warm. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the circuit structure schematic diagram of lithium battery heat preservation box for unmanned plane provided by the utility model embodiment;

[0018] Figure 2 It is the structure schematic diagram of lithium battery heat preservation box for unmanned plane outside provided by the utility model embodiment;

[0019] Figure 3 It is the structure schematic diagram of lithium battery heat preservation box for unmanned plane inside provided by the utility model embodiment;

[0020] Figure 4 It is the structure schematic diagram of temperature sensor provided by the utility model embodiment;

[0021] In the drawing: 1: box, 2: lithium battery, 3: digital display temperature controller, 4: temperature sensor, 5: heating film, 6: fan, 7: AC220V interface, 8: AC / DC converter, 9: heating battery, 10: 24VDC interface, 11: diode, 12: fuse, 13: power supply switch, 14: partition frame, 15: support, 16: metal plate. DETAILED DESCRIPTION

[0022] The utility model will be further described below in conjunction with the drawings. The following embodiments are only used to more clearly explain the technical scheme of the utility model, and cannot limit the protection scope of the utility model.

[0023] In the description of the utility model, it is necessary to understand that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore 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 the technical features indicated. 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, the meaning of "a plurality of" is two or more, unless otherwise specified.

[0024] In the description of the utility model, it should be explained that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected, it can be mechanical connection, or electrical connection, it can be directly connected, or indirectly connected through intermediate medium, it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood through specific circumstances. Embodiment

[0025] As Figures 1-4 shown, the utility model provides a kind of lithium battery heat preservation box for unmanned plane, the heat preservation box includes box 1, lithium battery 2 is placed in the box 1, digital temperature controller 3 is installed outside the box 1, temperature sensor 4 and heating film 5 are installed in the box 1, one end of digital temperature controller 3 is electrically connected with temperature sensor 4, and the other end is electrically connected with heating film 5.

[0026] In the embodiment, temperature sensor 4 is used to collect the temperature in the box and feedback to digital temperature controller 3, digital temperature controller 3 is used to display the temperature of air in the box, and control the start-stop of heating film 5 according to the set temperature range, heating film 5 is used to convert electric energy into heat energy and heat the air in the box.

[0027] Specifically, the set temperature range is the better working environment temperature 15℃~25℃ of lithium battery 2, when digital temperature controller 3 detects that the temperature in the box 1 is lower than 15℃, control heating film 5 to start heating the temperature in the box 1, until the temperature in the box reaches 25℃, control heating film to close, when the temperature in the box drops to lower than 15℃, control heating film to start again.

[0028] The embodiment collects the temperature in the box by the temperature sensor 4 and feeds back to the digital display temperature control table 3, the digital display temperature control table 3 controls the start and stop of the heating film 5 according to the set temperature range, so that the temperature in the heat preservation box is maintained between 15℃-25℃ which is the better working temperature of the lithium battery, thereby the lithium battery 2 in the heat preservation box is preserved, and the effect of keeping the better discharge performance of the lithium battery 2 is achieved.

[0029] In the embodiment, the inner layer of the box body 1 is PP material, the outer layer is HDPE material, and the middle layer is a polyurethane foaming heat preservation layer. The heat preservation box body 1 itself has certain heat preservation performance, which can prevent external cold air from invading.

[0030] In the embodiment, the box body 1 is provided with a partition frame 14 for placing the lithium battery 2. Specifically, the number of the partition frame 14 is six, which is just suitable for placing six lithium batteries 2.

[0031] In the embodiment, the box body 1 is provided with a support column 15, and the support column 15 is provided with a metal plate 16. The heating film 5 is bonded to the metal plate 16. Specifically, the metal plate 16 is supported by the support column 15 and is separated from the box body 1. The number of the heating film 5 is four, and the four heating films 5 are all polyimide heating films 5.

[0032] In the embodiment, the temperature sensor 4 is a PT100 temperature sensor 4.

[0033] In the embodiment, the box body 1 is further provided with a fan 6. The fan 6 is used to promote the air flow in the box and make the temperature in the box uniform.

[0034] In the embodiment, a power supply system is further included. The power supply system includes an AC220V interface 7, an AC / DC converter 8, a heating battery 9, a 24VDC interface 10, a diode 11, a fuse 12, and a power supply switch 13. The AC220V interface 7 is installed outside the box body 1 and is electrically connected to the AC / DC converter 8. One end of the 24VDC interface 10 is electrically connected to the heating battery 9, and the other end is connected to the AC / DC converter 8 through the diode 11. The AC / DC converter 8 is connected to the power supply switch 13 through the diode 11. The power supply switch 13 is electrically connected to the temperature sensor 4, the digital display temperature control table 3, the heating film 5, and the fan 6.

[0035] Specifically, the 24VDC interface 10 and the AC220V interface 7 are both used to provide power supply for the insulation box, the AC220 interface 10 is powered from outside of the insulation box, and is used to supply power for the insulation box in the case that the indoor power supply can be connected to the mains; the 24VDC interface 7 is powered from inside of the insulation box, and is used to supply power for the insulation box in the case that the outdoor power supply cannot be connected to the mains through the heating battery 9, the AC / DC converter 8 is used to convert the mains 220V into DC 24V, the diode 11 is used to prevent the current of the AC / DC converter 8 output and the 24VDC interface 10 from flowing back to each other, and the power supply switch 13 is used to control the power supply of the insulation box.

[0036] In the embodiment, the fuse 12 is connected between the AC / DC converter 8 and the power supply switch 13.

[0037] In the embodiment, the fuse 12 is connected between the digital temperature control meter 3 and the heating film 5.

[0038] Specifically, the fuse 12 is used to protect the electric circuit and prevent overload or short circuit.

[0039] In the embodiment, the net weight of the insulation box can be controlled below 6kg, the self weight is light and is more convenient to carry, the structure is simple, the cost is low, the manufacturing is easy, the power supply can be provided inside or outside, the outdoor use is convenient, the digital temperature control meter 3 can display and monitor the temperature outside the box body 1, the use is convenient, and the power consumption is low.

Claims

1. A lithium battery heat preservation box for a drone, characterized in that, The application relates to a lithium battery storage box, which comprises a box (1), a lithium battery (2) placed in the box (1), a digital temperature control meter (3) installed outside the box (1), a temperature sensor (4) and a heating film (5) installed in the box (1), one end of the digital temperature control meter (3) being electrically connected with the temperature sensor (4), and the other end being electrically connected with the heating film (5), and a fan (6) installed in the box (1). The application further comprises a power supply system, which comprises an AC220V interface (7), an AC / DC converter (8), a heating battery (9), a 24VDC interface (10), a diode (11), a fuse (12) and a power supply switch (13), the AC220V interface (7) being installed outside the box (1) and being electrically connected with the AC / DC converter (8), one end of the 24VDC interface (10) being electrically connected with the heating battery (9), the other end being connected with the AC / DC converter (8) through the diode (11), the AC / DC converter (8) being connected with the power supply switch (13) through the diode (11), and the power supply switch (13) being electrically connected with the temperature sensor (4), the digital temperature control meter (3), the heating film (5) and the fan (6).

2. The lithium battery thermal insulation case for drones according to claim 1, characterized in that, The inner layer of the box (1) is made of PP material, the outer layer is made of HDPE material, and the middle layer is a polyurethane foaming heat preservation layer.

3. The lithium battery thermal insulation case for drones according to claim 1, characterized in that, The AC / DC converter (8) is connected with the power supply switch (13) through the fuse (12).

4. The lithium battery thermal insulation case for drones according to claim 1, characterized in that, The digital temperature control meter (3) is connected with the heating film (5) through the fuse (12).

5. The lithium battery thermal insulation case for drones according to claim 1, characterized in that, The box (1) is provided with a partition frame (14) for placing the lithium battery (2).

6. The lithium battery thermal insulation case for drones according to claim 1, characterized in that, The box (1) is provided with a support column (15), and a metal plate (16) is supported on the support column (15), and the heating film (5) is bonded on the metal plate (16).

7. The lithium battery thermal insulation case for drones according to claim 6, characterized in that, The heating film (5) is a polyimide heating film (5).

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