Cooling device for aircraft

Abstract

The utility model belongs to the technical field of aircrafts, and particularly relates to a cooling device for an aircraft. Comprising a battery pack and a lifting device; the battery pack is mounted at the top of the support frame; the lifting device is installed at the bottom of the supporting frame, a cooling material is installed at the upper end of the lifting device, and the lifting device drives the cooling material to move towards or away from the battery pack; therefore, the cooling material can be raised for cooling when the temperature of the battery pack is too high; when the cooling material is lowered, the cooling material dissipates heat, so that the cooling material can better cool the battery pack; and the long-time multi-time cooling effect on the battery pack is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of aircraft, and in particular relates to a cooling device for aircraft. Background Art

[0002] An aircraft is a high-powered powered device that flies within or outside the atmosphere.

[0003] During battery charging and discharging, a large amount of chemical reaction heat is generated, causing overall or localized high temperatures. If this heat is not released promptly, thermal runaway is highly likely. To maintain consistent battery temperature, existing technologies use natural cooling, forced air cooling, liquid cooling, and phase change materials to effectively control battery cell temperature. Liquid cooling and liquid heating methods offer excellent fluidity and are commonly used in battery temperature control systems. However, when the heat dissipated by the battery cells is high, the requirements for liquid cooling flow rate and piping are more stringent, leading to complex liquid cooling piping layouts.

[0004] Therefore, there is a need for a cooling device for an aircraft to solve the above problems. Utility Model Content

[0005] In response to the above problems, the present invention proposes a cooling device for aircraft, including a battery pack and a lifting device; the battery pack is installed on the top of a support frame; the lifting device is installed on the bottom of the support frame, and a cooling material is installed on the upper end of the lifting device, and the lifting device drives the cooling material to move toward or away from the battery pack.

[0006] Furthermore, the lifting device includes a fixed block and a rotating rod; the fixed block is fixedly connected to the support frame; one end of the rotating rod is hinged to the fixed block, and the other end of the rotating rod is slidably connected to the connecting bar; the middle part of the rotating rod is hinged to the middle part of the transmission rod; one end of the transmission rod close to the bottom of the support frame is slidably connected to the support frame, and the other end of the transmission rod is hinged to the connecting block; the connecting block is fixedly connected to the connecting bar; the transmission rod drives the lower end of the transmission rod to move closer to or away from the fixed block through the driving assembly.

[0007] Furthermore, the lifting device includes two groups, and the two groups of lifting devices are symmetrically arranged on both sides of the central axis of the support frame; the lower ends of the two transmission rods are connected by a connecting shaft; and the driving assembly is connected to the middle part of the connecting shaft.

[0008] Furthermore, two sliding seats are fixedly provided at the bottom of the support frame, and sliding holes are opened on the two sliding seats; the connecting shaft passes through the sliding holes and is connected to the lower ends of the two transmission rods.

[0009] Furthermore, the driving assembly is located between the two sets of lifting devices; the fixed end of the driving assembly is fixedly connected to the support frame, and the output end of the driving assembly is fixedly connected to the middle part of the connecting shaft.

[0010] Furthermore, a placement rack is provided on the top of the support frame, and the battery pack is placed in the placement rack.

[0011] Furthermore, the cooling material is a phase change material.

[0012] Furthermore, the phase change material is packaged in a metal shell.

[0013] Furthermore, the metal shell package is fixedly mounted on the upper ends of the connecting blocks and the connecting bars.

[0014] Furthermore, the transmission rod is located outside the rotating rod, and the distance between the transmission rod and the rotating rod is greater than 0.

[0015] The utility model arranges a lifting device and cooling material under the battery pack of the aircraft, so that the cooling material can be raised to cool the battery pack when the temperature of the battery pack is too high; when the cooling material is lowered, the cooling material dissipates heat, so that the cooling material can better cool the battery pack, thereby improving the multiple cooling effects of the battery pack over a long period of time.

[0016] Other features and advantages of the present invention will be described in the following description, and in part will become apparent from the description, or understood by practicing the present invention. The purpose and other advantages of the present invention can be achieved and obtained by the structures indicated in the description, claims and drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following is a brief introduction to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0018] Figure 1 Shown is a front view of the present invention.

[0019] Figure 2 Shown is a perspective view of the present invention.

[0020] In the figure, 1. battery pack; 3. support frame; 4. cooling material; 5. fixing block; 6. rotating rod; 7. connecting bar; 8. transmission rod; 9. connecting block; 10. driving assembly; 11. connecting shaft; 12. sliding seat; 13. sliding hole. DETAILED DESCRIPTION

[0021] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments 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 shall fall within the scope of protection of the present invention.

[0022] The present invention provides a cooling device for an aircraft. Figure 1 , including a battery pack 1 and a lifting device; the battery pack 1 is installed on the top of the support frame 3; the lifting device is installed at the bottom of the support frame 3, and a cooling material 4 is installed on the upper end of the lifting device, and the lifting device drives the cooling material 4 to move toward or away from the battery pack 1; the battery pack 1 is installed on the top of the support frame 3, and the battery pack 1 is supported and fixed by the support frame 3, and the lifting ears on the battery pack 1 ( Figure 1 The lifting device is at the bottom of the support frame 3, and the lifting device moves upward to drive the cooling material 4 to the bottom of the battery pack 1, and adheres to the battery pack 1 to absorb the heat of the battery pack 1; then the lifting device moves downward to drive the cooling material 4 away from the bottom of the battery pack 1, so that the cooling material 4 dissipates heat, so that the cooling material 4 can better cool the battery pack 1 after the next rise, thereby improving the cooling effect of the battery pack 1.

[0023] refer to Figure 1 and Figure 2 The lifting device includes a fixed block 5 and a rotating rod 6; the fixed block 5 is fixedly connected to the support frame 3; one end of the rotating rod 6 is hinged to the fixed block 5, and the other end of the rotating rod 6 is slidably connected to the connecting bar 7; the middle part of the rotating rod 6 is hinged to the middle part of the transmission rod 8; the end of the transmission rod 8 close to the bottom of the support frame 3 is slidably connected to the support frame 3, and the other end of the transmission rod 8 is hinged to the connecting block 9; the connecting block 9 is fixedly connected to the connecting bar 7; the transmission rod 8 drives the lower end of the transmission rod 8 to move closer to or away from the fixed block 5 through the driving assembly 10. Block 5; the driving component 10 drives the lower end of the transmission rod 8 to move in the direction close to the fixed block 5, so that the driving component 10 drives the lower end of the transmission rod 8 to gradually reduce the angle with the y-axis, and the upper end height of the transmission rod 8 gradually increases, and the connecting block 9 drives the connecting bar 7 to move upward, so that the angle between the lower end of the rotating rod 6 and the y-axis is also gradually reduced, and then the upper end heights of the transmission rod 8 and the rotating rod 6 gradually increase synchronously, driving the cooling material 4 to rise; when it is necessary to drive the cooling material 4 to descend, the driving component 10 drives the lower end of the transmission rod 8 to move in the direction away from the fixed block 5.

[0024] In one embodiment, referring to Figure 2 The above-mentioned lifting device includes two groups, and the two groups of lifting devices are symmetrically arranged on both sides of the central axis of the support frame 3; the lower ends of the two transmission rods 8 are connected by a connecting shaft 11; the above-mentioned driving assembly 10 is connected to the middle of the connecting shaft 11; by setting up two groups of lifting devices; the cooling material 4 is placed on the upper ends of the two groups of transmission rods 8 and the rotating rod 6, and the two groups of transmission rods 8 and the rotating rod 6 provide four support points for the cooling material 4, which are respectively located near the four corners of the cooling material 4; improving the stability of the cooling material 4 during the lifting and lowering process.

[0025] Two sliding seats 12 are fixedly provided at the bottom of the above-mentioned support frame 3, and sliding holes 13 are opened on the two sliding seats 12; the above-mentioned connecting shaft 11 passes through the sliding hole 13 and is connected to the lower ends of the two transmission rods 8; the lower end of the transmission rod 8 moves along the sliding hole 13 on the sliding seat 12, and the transmission rod 8 is limited to prevent the transmission rod 8 from disengaging from the sliding hole 13. The two transmission rods 8 are connected by the connecting shaft 11, and the driving assembly 10 drives the two transmission rods 8 to move by driving the connecting shaft 11; at the same time, the two groups of transmission rods 8 and the rotating rod 6 are connected at a hinged position (which can be connected by a hinged shaft), further ensuring the stability of the synchronous movement of the two groups of transmission rods 8 and the rotating rod 6, and further ensuring the stability of the moving trajectory of the transmission rod 8.

[0026] During implementation, when the battery pack 1 is working, the control drive assembly 10 works synchronously, and the drive assembly 10 contracts to drive the lower end of the transmission rod 8 to move along the sliding hole 13 on the sliding seat 12 toward the fixed block 5; at the same time, the upper end of the rotating rod 6 also moves along the connecting bar 7 toward the connecting block 9; thereby, the angle between the upper and lower ends of the transmission rod 8 and the rotating rod 6 gradually decreases, and then the height of the upper ends of the transmission rod 8 and the rotating rod 6 increases, driving the cooling material 4 to move upward to the lower end of the battery pack 1, close to the battery pack 1, and absorbing heat and cooling the battery pack 1; when the battery pack 1 is not working, the control drive assembly 10 extends to drive the cooling material 4 away from the battery pack 1, which is more conducive to the heat dissipation of the cooling material itself, and prepares for the subsequent cooling of the battery pack 1.

[0027] The above-mentioned driving component 10 is located between the two sets of lifting devices; the fixed end of the above-mentioned driving component 10 is fixedly connected to the support frame 3, and the output end of the above-mentioned driving component 10 is fixedly connected to the middle part of the connecting shaft 11; the driving component 10 can be a hydraulic press or a telescopic rod, etc.; taking the hydraulic press as an example, the output end of the hydraulic press is connected to the connecting shaft 11 to drive the two transmission rods 8 to move, thereby realizing the rise and fall of the upper end of the transmission rod 8 and the rotating rod 6, thereby improving the synchronization and stability of the lifting process.

[0028] A placement rack is provided on the top of the support frame 3, and the battery pack 1 is placed in the placement rack; on the one hand, the placement rack fixes the battery pack 1 to ensure the stability of the battery pack 1 during use; on the other hand, after the flight of the aircraft is completed, the lifting device drives the cooling material 4 to separate from the battery pack 1, and the battery pack 1 can be taken out of the placement rack for replacement; so that a set of cooling materials 4 can serve multiple different battery packs 1, thereby improving the scope of use and use effect of this application.

[0029] Among them, the placement rack only fixes the battery pack 1, but not in a fully enclosed manner. It can fix the corners of the battery pack 1; ensure that the lower end of the battery pack 1 can fit with the cooling material 4, and ensure the cooling effect of the cooling material 4 on the battery pack 1.

[0030] The cooling material 4 is a phase change material. The phase change material has a small mass, low thermal resistance, and huge latent heat properties, and has great potential in the field of battery thermal control. It can achieve a better cooling effect on the battery pack 1.

[0031] The phase change material is packaged in a metal shell. The phase change material is packaged in a metal shell, such as an aluminum shell, to protect the phase change material and improve the stability of the phase change material during its up and down movement.

[0032] The above-mentioned metal shell package is fixedly installed on the upper end of the connecting block 9 and the connecting bar 7; the metal shell package is fixed to the top of the connecting block 9 and the connecting bar 7, and can be fixed by welding to prevent it from falling during the up and down movement, thereby further improving the stability during operation.

[0033] The transmission rod 8 is located outside the rotating rod 6, and the distance between the transmission rod 8 and the rotating rod 6 is greater than 0; by setting a certain distance between the transmission rod 8 and the rotating rod 6, friction between the transmission rod 8 and the rotating rod 6 is avoided during the movement and rotation of the transmission rod 8 and the rotating rod 6, thereby making the lifting process smoother.

[0034] The utility model arranges a lifting device and a cooling material 4 under the battery pack 1 of the aircraft, so that the cooling material 4 can be lifted to cool the battery pack 1 when the temperature is too high; when the cooling material 4 is lowered, the cooling material 4 dissipates heat, so that the cooling material 4 can better cool the battery pack 1.

[0035] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A cooling device for an aircraft, characterized in that: The invention comprises a battery pack (1) and a lifting device; the battery pack (1) is mounted on the top of a support frame (3); the lifting device is mounted on the bottom of the support frame (3); a cooling material (4) is mounted on the upper end of the lifting device, and the lifting device drives the cooling material (4) to move toward or away from the battery pack (1).

2. The aircraft cooling device according to claim 1, characterized in that: The lifting device comprises a fixed block (5) and a rotating rod (6); the fixed block (5) is fixedly connected to the support frame (3); one end of the rotating rod (6) is hinged to the fixed block (5), and the other end of the rotating rod (6) is slidably connected to the connecting bar (7); the middle part of the rotating rod (6) is hinged to the middle part of the transmission rod (8); one end of the transmission rod (8) close to the bottom of the support frame (3) is slidably connected to the support frame (3), and the other end of the transmission rod (8) is hinged to the connecting block (9); the connecting block (9) is fixedly connected to the connecting bar (7); the transmission rod (8) drives the lower end of the transmission rod (8) to approach or move away from the fixed block (5) through the driving component (10).

3. The aircraft cooling device according to claim 2, characterized in that: The lifting device comprises two groups, and the two groups of lifting devices are symmetrically arranged on both sides of the central axis of the support frame (3); the lower ends of the two transmission rods (8) are connected through a connecting shaft (11); and the driving assembly (10) is connected to the middle of the connecting shaft (11).

4. The aircraft cooling device according to claim 3, characterized in that: Two sliding seats (12) are fixedly provided at the bottom of the support frame (3), and sliding holes (13) are provided on the two sliding seats (12); the connecting shaft (11) passes through the sliding holes (13) and is connected to the lower ends of the two transmission rods (8).

5. The aircraft cooling device according to claim 4, characterized in that: The driving assembly (10) is located between the two groups of lifting devices; the fixed end of the driving assembly (10) is fixedly connected to the support frame (3), and the output end of the driving assembly (10) is fixedly connected to the middle of the connecting shaft (11).

6. The aircraft cooling device according to claim 5, characterized in that: A placement rack is provided on the top of the support frame (3), and the battery pack (1) is placed in the placement rack.

7. The aircraft cooling device according to claim 6, characterized in that: The cooling material (4) is a phase change material.

8. The aircraft cooling device according to claim 7, characterized in that: The phase change material is packaged in a metal shell.

9. The aircraft cooling device according to claim 8, characterized in that: The metal shell package is fixedly mounted on the upper ends of the connecting block (9) and the connecting bar (7).

10. The aircraft cooling device according to claim 9, characterized in that: The transmission rod (8) is located outside the rotating rod (6), and the distance between the transmission rod (8) and the rotating rod (6) is greater than 0.

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