Low-temperature-resistant protection device for high-altitude unmanned aerial vehicle
By designing a snap-fit shell and body structure on a high-altitude drone, using a toothed rod and a bidirectional threaded rod to achieve the limiting clamping of the battery box, and combining it with an electric heating component for heat preservation, the problem of the battery box being difficult to disassemble in low-temperature environments is solved, improving maintenance efficiency and battery life.
Patent Information
- Application Number
- CN202520103711.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-16
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2035-01-16
AI Technical Summary
Existing high-altitude drone battery boxes are difficult to disassemble in low-temperature environments, resulting in low inspection and maintenance efficiency and increasing the burden on staff.
The outer shell and body structure are connected by a snap-fit mechanism. The battery box is clamped and positioned by the cooperation of a toothed bar and a bidirectional threaded bar. Combined with the heat-insulating component, the battery box is kept at a suitable temperature in low-temperature conditions, which facilitates disassembly and maintenance.
It enables efficient battery box disassembly and maintenance, reduces the workload of staff, and improves inspection and maintenance efficiency.
Smart Images

Figure CN223631810U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to unmanned plane field, concretely is a kind of high-altitude unmanned plane low temperature resistant protection device. BACKGROUND
[0002] Composite wing unmanned plane is a kind of unmanned aerial vehicle combined with the characteristics of fixed-wing unmanned plane and rotary-wing unmanned plane, it usually includes a multi-rotor system that can vertically take off or hover at low speed, and a fixed-wing structure that provides long range and high efficiency at high speed cruise, composite wing unmanned plane combines fixed-wing and rotary-wing two wing designs, fixed-wing part is mainly used to provide the lift and stability of unmanned plane in the flat state, through the lift generated by wing, unmanned plane can fly long distance at high speed with lower energy consumption, rotary-wing part is mainly used to realize the vertical take-off and hovering of unmanned plane, and the lift is generated by the rotation of rotor blade, so that unmanned plane can overcome gravity and realize vertical take-off.
[0003] The utility model discloses a kind of high-altitude unmanned plane low temperature resistant protection devices of plant protection, by the outside of heat preservation cloth cover on power supply is equipped with heat preservation cotton, then power supply is placed in the inside of battery box, then protective shell is equipped on battery box, fixed on the plant protection unmanned plane body, to warm up power supply for subsequent assembly, in turn improve the use time of power supply.
[0004] As described above, the protective shell is in close contact with the battery box during actual use to better insulate the battery box. However, the battery box is difficult to disassemble during inspection and maintenance, which increases the workload of the staff and reduces the overall inspection and maintenance efficiency. UTILITY MODEL CONTENTS
[0005] Therefore, the utility model aims to provide a high-altitude unmanned plane low temperature resistant protection device to solve the technical problem that the battery box is difficult to disassemble during inspection and maintenance, which increases the workload of the staff and reduces the overall inspection and maintenance efficiency.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a high-altitude unmanned plane low temperature resistant protection device, including body and shell, the shell and the body are snap-fit connected, the top of the body is provided with a battery box, and a clamping groove is formed on one side of the battery box, the bottom of the shell is elastically provided with a tooth rod, and one end of the tooth rod is matched with the clamping groove, a bidirectional threaded rod matched with the tooth rod is rotatably arranged in the shell, and a clamping plate is symmetrically arranged on the bottom of the bidirectional threaded rod, and an electric heating assembly for heat preservation of the battery box is arranged on the inner wall of the clamping plate.
[0007] Through the clamping process of the shell and the machine head, the tooth bar moves upward under the action of the clamping groove, and drives the fixed gear to rotate in the process, and the battery box is clamped and limited through the cooperation of the threaded sleeve and the bidirectional threaded rod, and when the subsequent staff inspects and maintains, the shell is opened, the tooth bar is reset, the fixed gear is reversed in the process, the clamping plate releases the limiting of the battery box, the subsequent staff can check and maintain it, and the overall work burden is reduced.
[0008] The utility model further sets up, the electric heating component includes electric heating guide column and second spring, the inner wall of clamping plate is equipped with a plurality of slot, and is connected with second spring in the inside of slot, the other end of second spring is connected with electric heating guide column.
[0009] As preferred, by setting a plurality of electric heating guide columns on the inner side of the clamping plate, the battery box can still store more power in the low temperature state, and in the process of moving the clamping plate to clamp the battery box, the multiple groups of elastically arranged electric heating guide columns are in full contact with the outer wall of the battery box, which ensures that the electric heating guide column is in full contact with the outer wall of the battery box when facing the unevenly distributed battery box, so that the temperature of the battery box will not be too low, thereby avoiding the shortening of the battery use time due to the too low temperature.
[0010] The utility model further sets up, the shell is equipped with first spring in, and the other end of first spring is connected with tooth bar.
[0011] As preferred, in the process of moving the shell to the top of the machine body and clamping, the tooth bar moves upward, the first spring is in a compressed state in the process, and after the subsequent staff disassembles the shell, the tooth bar is reset and slides downward under the resetting action of the first spring.
[0012] The utility model further sets up, the shell is rotatably provided with the fixed gear that is engaged with the tooth bar, and the other end of the fixed gear is connected with the bidirectional threaded rod.
[0013] As preferred, in the process of moving the tooth bar upward, the tooth block on the inner side of the tooth bar drives the fixed gear to rotate, which drives the bidirectional threaded rod at one end to rotate.
[0014] The utility model further sets up, the outer wall of the bidirectional threaded rod is slidably provided with the threaded sleeve, and the bottom of the threaded sleeve is connected with the clamping plate.
[0015] As preferred, in the process of rotating the bidirectional threaded rod, the threaded sleeve slides on the outer wall of the bidirectional threaded rod, which drives the clamping plate at the bottom to move inward, thereby completing the clamping and limiting of the battery box.
[0016] The utility model further sets up, the top of machine body is provided with compound wing, wherein compound wing is detachable.
[0017] As preferred, through compound wing is mainly used for realizing vertical take-off and landing and air hovering of unmanned aerial vehicle, the lift of rotor is produced through blade rotation, makes unmanned aerial vehicle can overcome gravity, realizes vertical take-off, and detachable setting improves the practicability of the device whole.
[0018] The utility model further sets up, the inside of shell is provided with limit groove, and the one side of threaded sleeve is provided with the limit block that cooperates with it.
[0019] As preferred, through the cooperation of limit groove and limit block, the stability of threaded sleeve sliding on the outer wall of bidirectional threaded rod is ensured, and in the process of rotating bidirectional threaded rod, the self-rotation of threaded sleeve following bidirectional threaded rod is effectively prevented.
[0020] The utility model further sets up, one side of gear bar is locally provided with tooth block.
[0021] As preferred, the tooth block locally provided ensures the rotation of fixed gear by a certain number of turns in the process of moving gear bar, and the tooth block and fixed gear are disengaged, so that the stability of the clamping plate clamping the battery box is not affected when the machine body is impacted.
[0022] The utility model further sets up, the seal is set up between shell and machine body, and the heat insulation cotton is sleeved at the connecting place of shell and machine body.
[0023] As preferred, the heat insulation cotton prevents the heat dispersion inside shell and machine body, and effectively prevents the heat loss inside shell.
[0024] The utility model further sets up, the top of clamping groove is in open state.
[0025] As preferred, the open setting of the bottom of gear bar plays a guiding role, and ensures the stability of gear bar in the process of moving downward.
[0026] In summary, the utility model mainly has the following beneficial effects:
[0027] This invention features a slot on one side of the battery box on the machine body. During the engagement between the outer shell and the machine head, the rack moves upward under the action of the slot, driving the fixed gear to rotate. Through the cooperation of the threaded sleeve and the bidirectional threaded rod, the battery box is clamped and positioned. When the staff performs subsequent inspection and maintenance, the outer shell is opened to reset the rack. During this process, the fixed gear reverses, thereby releasing the clamp from its limiting function on the battery box, facilitating subsequent inspection and maintenance and reducing the overall workload.
[0028] This invention features an array of heating columns on the inner side of the clamping plate. This ensures that the battery box can still store a significant amount of power even at low temperatures. During the clamping process, the multiple sets of elastically arranged heating columns fully contact the outer wall of the battery box. Even when the outer wall of the battery box is unevenly distributed, this ensures that the heating columns are in full contact with the outer wall, preventing the battery box temperature from dropping too low and thus avoiding shortening the battery's lifespan due to excessively low temperatures. Attached Figure Description
[0029] Figure 1 This is a perspective view of the present utility model;
[0030] Figure 2 This is a schematic diagram of the battery box structure of this utility model;
[0031] Figure 3 This is a cross-sectional view of the outer shell of this utility model;
[0032] Figure 4 This utility model Figure 2 Enlarged view of A in the middle;
[0033] Figure 5 This is a schematic diagram of the transmission mechanism structure of this utility model;
[0034] Figure 6 This utility model Figure 3 A magnified view of B in the middle.
[0035] Explanation of reference numerals in the attached figures:
[0036] 1. Airframe; 2. Composite wing; 3. Outer shell; 4. First spring; 5. Double-ended threaded rod; 6. Threaded sleeve; 7. Gear rack; 8. Clamping plate; 9. Battery box; 10. Slot; 11. Fixed gear; 12. Slot; 13. Heating post; 14. Second spring. Detailed Implementation
[0037] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are used only for explaining the utility model, and cannot be understood as limiting the utility model.
[0038] The embodiments will be described below according to the overall structure of the utility model.
[0039] The first embodiment is as follows:
[0040] Please refer to Figures 1-6 The high-altitude unmanned aerial vehicle low-temperature-resistant protection device shown in the drawing, including body 1, shell 3, composite wing 2, transmission mechanism, clamping mechanism and electric heating assembly, the top of body 1 is provided with composite wing 2, wherein the composite wing 2 is detachably arranged, the composite wing 2 is mainly used for realizing vertical take-off and landing and air hovering of the unmanned aerial vehicle, the rotor generates lift by rotating the blades, so that the unmanned aerial vehicle can overcome gravity and realize vertical take-off, and the detachable arrangement improves the practicability of the device as a whole, meanwhile, the top of body 1 is provided with battery box 9, a clamping groove 10 is formed in one side of battery box 9, the bottom of shell 3 is elastically provided with a toothed rod 7, one end of toothed rod 7 is matched with clamping groove 10, and the staff clamps shell 3 to the top of body 1, in this process, clamping groove 10 extrudes one end of toothed rod 7, so that toothed rod 7 slides upward, since a detent gear 11 engaged with toothed rod 7 is rotatably arranged in shell 3, and the other end of detent gear 11 is connected with a bidirectional threaded rod 5, in the process of upward movement of toothed rod 7, the tooth block on the inner side of toothed rod 7 drives detent gear 11 to rotate, in this process, the bidirectional threaded rod 5 at one end is driven to rotate, since the outer wall of bidirectional threaded rod 5 is symmetrically provided with a clamping plate 8, the battery box 9 is limited and clamped, meanwhile, the inner wall of clamping plate 8 is provided with an electric heating assembly for heat preservation of battery box 9, in this process, the battery box can still store more power under low-temperature condition, when the staff checks and maintains subsequently, shell 3 is opened, so that toothed rod 7 is reset, in this process, detent gear 11 reverses, so that clamping plate 8 releases the limiting work on the battery box, which is convenient for the staff to check and maintain subsequently, and reduces the overall work burden.
[0041] In the above embodiment, please refer to Figure 3Threaded sleeve 6 is arranged on the outer wall of bidirectional threaded rod 5, and the bottom of threaded sleeve 6 is connected with clamping plate 8; during the rotation of bidirectional threaded rod 5, threaded sleeve 6 slides on the outer wall of bidirectional threaded rod 5, and during the sliding, clamping plate 8 at the bottom is moved inward, thereby completing the clamping and limiting of battery box 9; limiting groove is arranged in shell 3, and limiting block matched with threaded sleeve 6 is arranged on one side of threaded sleeve 6; the cooperation of limiting groove and limiting block ensures the stability of the sliding of threaded sleeve 6 on the outer wall of bidirectional threaded rod 5; during the rotation of bidirectional threaded rod 5, threaded sleeve 6 is effectively prevented from rotating with bidirectional threaded rod 5.
[0042] Second embodiment:
[0043] Please refer to Figure 3 The high-altitude unmanned aerial vehicle low-temperature protection device shown in the drawing is similar in overall structure to the first embodiment, wherein the heating assembly comprises heating guide columns 13 and second springs 14; a plurality of grooves 12 are formed in the inner wall of clamping plate 8, and the second springs 14 are connected in the grooves 12; the other ends of the second springs 14 are connected with the heating guide columns 13; a plurality of heating guide columns 13 are arranged on the inner side of clamping plate 8, which ensures that battery box 9 can still store more power under low-temperature conditions; during the movement of clamping plate 8 to clamp battery box 9, the plurality of heating guide columns 13 arranged in an elastic manner are in full contact with the outer wall of battery box 9; when the battery box 9 is unevenly distributed on the outer wall, the heating guide columns 13 are in full contact with the outer wall of the battery box, so that the temperature of the battery box is not too low, thereby avoiding the shortening of the service life of the battery due to the low temperature.
[0044] In the specific work, when the shell 3 is clamped on the top of the machine body 1, the tooth rod 7 at the bottom of the shell 3 moves and is clamped under the guidance of the clamping groove 10 on the machine body 1, and the tooth rod 7 moves upward under the action of the clamping groove 10, thereby driving the fixed gear 11 in the shell 3 to rotate, driving the bidirectional threaded rod 5 to rotate through the fixed gear 11, and driving the clamping plate 8 to slide inward through the cooperation of the bidirectional threaded rod 5 and the threaded sleeve 6, thereby completing the clamping and limiting of the battery box 9; the heating assembly is arranged on the inner wall of the clamping plate 8, and the heating assembly is arranged on the inner wall of the clamping plate 8, thereby achieving the heat preservation of the battery box 9, so that the battery box 9 is at an appropriate working temperature; when the subsequent workers check and maintain the battery box 9, the shell 3 is opened, the tooth rod 7 is reset under the action of the first spring 4, the fixed gear 11 is reversely rotated at this time, and the clamping plate 8 is released from the limiting of the battery box 9, thereby facilitating the subsequent workers to check and maintain the battery box 9, and reducing the overall work burden.
[0045] Although the embodiments of the utility model have been shown and described, the specific embodiments are only the explanation of the utility model, and are not the limitation of the utility model, and the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable way, and the person skilled in the art can make the modification, replacement and change of the embodiments without the creative contribution after reading the specification without departing from the principles and the purpose of the utility model, but as long as in the claim range of the utility model, it is protected by the patent law.
Claims
1. A high-altitude unmanned aerial vehicle low-temperature resistant protection device, comprising a body (1) and a shell (3), the shell (3) and the body (1) are snap-connected, characterized in that: The top of the body (1) is provided with a battery box (9), and a clamping groove (10) is formed in one side of the battery box (9). The bottom of the shell (3) is elastically provided with a tooth rod (7), and one end of the tooth rod (7) is matched with the clamping groove (10). The shell (3) is rotatably provided with a bidirectional threaded rod (5) matched with the tooth rod (7), and the bottom of the bidirectional threaded rod (5) is symmetrically provided with a clamping plate (8), and the inner wall of the clamping plate (8) is provided with an electric heating assembly for heat preservation of the battery box (9). 2. The low-temperature protection device for high-altitude unmanned aerial vehicles according to claim 1, characterized in that: The electric heating assembly comprises an electric heating guide column (13) and a second spring (14), a plurality of grooves (12) are formed in the inner wall of the clamping plate (8), and the second spring (14) is connected inside the groove (12). The other end of the second spring (14) is connected with the electric heating guide column (13).
3. The low-temperature protection device for high-altitude UAVs according to claim 1, characterized in that: The shell (3) is provided with a first spring (4), and the other end of the first spring (4) is connected with the tooth rod (7).
4. The low-temperature protection device for high-altitude UAVs according to claim 1, characterized in that: The shell (3) is rotatably provided with a toothed wheel (11) engaged with the tooth rod (7), and the other end of the toothed wheel (11) is connected with the bidirectional threaded rod (5).
5. The low temperature protection device for high altitude UAV of claim 4, wherein: The outer wall of the bidirectional threaded rod (5) is slidably provided with a threaded sleeve (6), and the bottom of the threaded sleeve (6) is connected with the clamping plate (8).
6. The low temperature protection device for high altitude UAV of claim 1, wherein: The top of the body (1) is provided with a composite wing (2), wherein the composite wing (2) is detachably provided.
7. The low temperature protection device for high altitude UAV of claim 5, wherein: The shell (3) is provided with a limiting groove, and a limiting block matched with the limiting groove is arranged on one side of the threaded sleeve (6).
8. The low temperature protection device for high altitude UAV of claim 1, wherein: One side of the tooth rod (7) is partially provided with a tooth block.
9. The low temperature protection device for high altitude UAV of claim 1, wherein: The shell (3) and the body (1) are sealingly arranged, and heat preservation cotton is sleeved at the connection between the shell (3) and the body (1).
10. The low temperature protection device for high altitude UAV of claim 1, wherein: The top of the clamping groove (10) is in an open state.
Citation Information
Patent Citations
Low-temperature-resistant protection device of high-altitude plant protection unmanned aerial vehicle
CN216546703U