Mooring airship recovery device based on parachute

Abstract

The invention relates to a parachute-based tethered airship recovery device which comprises a parachute pack assembly, the parachute pack assembly comprises a support, the support is connected with a parachute pack, the parachute is arranged in the parachute pack, the parachute is connected with a guide parachute, the guide parachute is connected with an ejection plate, and an unlocking mechanism is connected between the ejection plate and the support. The unlocking mechanism is provided with an unlocking device used for driving the elastic unlocking mechanism to unlock so as to eject the ejection plate, the recovery device further comprises a pressure sensor fixed to the boat body and a controller connected to the support or the ejection plate, the controller is in control connection with the unlocking device, and the controller is in sampling connection with the pressure sensor; the controller detects a threshold pressure value signal in the boat body sampled by the pressure sensor, outputs a control signal to the unlocking device, controls the unlocking mechanism to unlock, enables the ejection plate to eject out, and pulls the guide parachute and the parachute to extend out of the parachute pack. And high-speed hard landing of the airship is avoided, and the safety of equipment and the safety of ground personnel and property are guaranteed.

Description

Technical Field

[0001] The invention relates to the technical field of tethered airship recovery, and in particular to a tethered airship recovery device based on a parachute. Background Art

[0002] As a near-space suspension platform, the tethered airship relies on the lift-generating gas, such as hydrogen or helium, filled in its capsule. Its density is less than that of air, and it has the characteristics of lifting, hovering or flying. Different equipment can be carried on the suspended tethered airship according to different requirements. It is widely used in communications, atmospheric and geographical environment monitoring, security monitoring of large-scale events and gatherings, military reconnaissance, electronic information confrontation, and tourism.

[0003] When a tethered airship is in the air, if the capsule is damaged, the existing gas in the capsule will leak out, and it is impossible to effectively repair the damaged area in the air, and additional light gas will be injected into the capsule. This will cause the airship to quickly lose buoyancy and enter free fall motion, with a high and uncontrollable landing speed, which will damage the high-value equipment on the airship and threaten the safety of people and property on the ground. Summary of the invention

[0004] The object of the present invention is to provide a parachute-based tethered airship recovery device to solve the problem in the prior art that when the tethered airship capsule is damaged and gas leaks, the airship cannot be softly landed, resulting in equipment loss.

[0005] In order to solve the above problems, the parachute-based tethered airship recovery device involved in the present invention adopts the following technical solutions: A parachute-based tethered airship recovery device, the recovery device includes a parachute bag assembly, the parachute bag assembly includes a bracket for connecting to a tethering rope, the bracket is connected to a parachute bag, a parachute is arranged in the parachute bag, the parachute is connected to a guide parachute, the guide parachute is connected to a ejection plate pressed on the parachute bag, an unlocking mechanism is connected between the ejection plate and the bracket, the unlocking mechanism is provided with an unlocker for driving the elastic unlocking mechanism to unlock so as to eject the ejection plate, the recovery device also includes a pressure sensor fixed on the hull, and a controller connected to the bracket or the ejection plate, the controller is control-connected to the unlocker, and the controller is connected to the pressure sensor for sampling; the controller detects a threshold pressure value signal in the hull sampled by the pressure sensor, outputs a control signal to the unlocker, controls the unlocking mechanism to unlock, ejects the ejection plate, and pulls the guide parachute and the parachute out of the parachute bag.

[0006] In a preferred embodiment, the unlocking mechanism includes a locking rod connected to the bracket and located on the side of the parachute bag, the ejection plate is mounted on the locking rod, and the locking rod is mounted with a spring mounted between the spring plate and the bracket. A pin hole is provided at the end of the locking rod, and a locking pin that cooperates with the ejection plate is inserted into the pin hole. The locking pin is connected to the unlocker, and the unlocker is controlled and connected to the controller.

[0007] In a preferred embodiment, the bracket is a rectangular frame plate structure, there are two locking rods, which are arranged side by side at intervals along the diagonal line of the bracket, and the two ends of the ejection plate are respectively locked and fixed on the two locking rods.

[0008] In a preferred embodiment, the bracket is provided with a connecting ear for connecting to a fixing strap of a parachute.

[0009] In a preferred embodiment, the threshold pressure value is no greater than 30Pa.

[0010] As described above, the present invention has the following beneficial effects: Compared with the prior art, the parachute-based tethered airship recovery device involved in the present invention, in the actual working process, when the pressure sensor detects that the pressure inside the hull drops and drops to the threshold pressure, a signal is sent to the controller, and the controller controls the unlocking structure to unlock, the ejection plate pops out, and the guide parachute flies out with the ejection plate. After the guide parachute flies out, it starts to work, pulls the main parachute out of the parachute bag, and the main parachute opens against the wind, so that the damaged tethered airship falls at a uniform speed. The parachute bag assembly is creatively arranged on the mooring rope, which can open the parachute in time when the capsule is damaged, avoid the high-speed hard landing of the airship, and ensure the safety of the equipment and the safety of the personnel and property on the ground; and avoid the problem that the parachute bag assembly is in direct contact with the hull and the parachute cannot be opened quickly after opening. At the same time, the parachute bag assembly is fixed on the mooring rope, and the installation position of the parachute bag assembly can be adaptively selected according to the actual floating height of the airship, so that when the pressure drops to the threshold pressure, there is enough time and height above the ground to distinguish the cause of the pressure drop in time and open the parachute in time. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the technical solution of the embodiment of the present invention, the following briefly introduces the drawings required for use in the embodiment: Figure 1 It is a schematic structural diagram of a specific embodiment of a parachute-based tethered airship recovery device of the present invention; Figure 2 for Figure 1 A front view of Figure 3 It is a schematic diagram of the specific working state of the recovery device; Figure 4 for Figure 3 Schematic diagram of the ejection plate popping out; Figure 5 for Figure 4 Schematic diagram of the normal working state of the parachute.

[0012] Explanation of the reference numerals: 1- bracket; 11- connecting plate; 12- connecting ear; 2- parachute bag; 3- locking rod; 4- spring; 5- unlocker; 6- controller; 7- ejection plate; 8- parachute; 9- guide parachute; 10- mooring rope; 101- hull. DETAILED DESCRIPTION

[0013] In order to make the technical purpose, technical solution and beneficial effects of the present invention clearer, the technical solution of the present invention is further described below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention, that is, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments. The components of the embodiments of the present invention generally described and shown herein can be arranged and designed in various different configurations.

[0014] It should be noted that when an element is referred to as being "disposed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected" to another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "first", "second" and similar words do not indicate any order, quantity or importance, but are only used to distinguish different components. The terms "installed", "connected" and "connected" should be understood in a broad sense. For example, it can be a mechanical connection or an electrical connection, or it can be the internal communication of two elements, which can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to the specific circumstances. The terms "vertical", "horizontal", "up", "down", "left", "right" and similar expressions used herein are only for illustrative purposes and do not represent the only implementation method.

[0015] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which this application belongs. The terms used herein in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0016] The specific embodiment of the parachute-based tethered airship recovery device involved in the present invention is as follows: Figures 1 to 5As shown, the parachute-based tethered airship recovery device is used to be connected to a tethered airship, and the tethered airship includes a hull 101 and a tethering rope 10 connected to the hull 101, wherein the structures of the hull 101 and the tethering rope 10 are consistent with the prior art and are not described in detail.

[0017] The recovery device includes an umbrella bag assembly, which includes a bracket 1 connected to a mooring rope 10. The structure of the bracket 1 is shown in the figure. The bracket 1 is a rectangular frame plate structure as a whole, which is used to connect the mooring rope 10 and install the umbrella bag 2. Specifically, there are connecting plates 11 at the upper and lower ends of the bracket 1. The connecting plate 11 is provided with a connecting hole. The mooring rope 10 passes through the connecting hole and is relatively fixed to the connecting plate 11 through a locking member such as a locking nut.

[0018] The bracket 1 is connected to a parachute bag 2, in which a parachute 8 is arranged, and a guide parachute 9 is connected to the parachute 8. The structures of the parachute 8 and the guide parachute 9 are consistent with the prior art and are not described in detail. In order to realize the connection between the parachute 8 and the bracket 1, the bracket 1 has connecting ears 12 on the left and right sides for fixed connection with the parachute 8 of the parachute bag 2.

[0019] In order to enable the guide parachute 9 to pull the parachute 8 out of the parachute bag 2, the guide parachute 9 is connected to a ejection plate 7 pressed on the parachute bag 2, and an unlocking mechanism is connected between the ejection plate 7 and the bracket 1. The unlocking mechanism is equipped with an unlocker 5 for driving the elastic unlocking mechanism to unlock and eject the ejection plate 7.

[0020] Among them, in order to unlock the ejection plate 7, the ejection plate 7 is popped out and the guide parachute 9 is pulled, and the parachute 8 is pulled out through the guide parachute 9. The unlocking mechanism includes a locking rod 3 connected to the bracket 1 and located on the side of the parachute bag 2. The ejection plate 7 is sleeved on the locking rod 3. The locking rod 3 is sleeved with a spring 4 mounted between the spring 4 plate and the bracket 1. A pin hole is opened at the end of the locking rod 3. A locking pin that locks with the ejection plate 7 is inserted in the pin hole. The locking pin is connected to the unlocker 5.

[0021] In this embodiment, the unlocker 5 is a pin puller in the prior art, which is relatively common in the field of releasing the parachute bag 2. Those skilled in the art can select it arbitrarily according to actual needs.

[0022] In order to ensure the structural stability of the ejection plate 7 when it is press-fitted, there are two locking rods 3, which are arranged side by side at intervals along the diagonal line of the bracket 1, and the two ends of the ejection plate 7 are locked and fixed on the two locking rods 3 respectively.

[0023] In order to automatically release the parachute 8, the recovery device also includes a pressure sensor fixed on the hull 101, and a controller 6 connected to the ejection plate 7. A power source connected to the controller 6 and the pin puller is also fixed on the ejection plate 7. The controller 6 is connected to the unlocker 5 for control, and the controller 6 is connected to the pressure sensor for sampling. The controller 6 detects the threshold pressure value signal in the hull 101 sampled by the pressure sensor, outputs a control signal to the unlocker 5, controls the unlocking mechanism to unlock, ejects the ejection plate 7, and pulls the guide parachute 9 and the parachute 8 out of the parachute bag 2. Specifically in this embodiment, when the threshold pressure value is lower than 30Pa, the parachute 8 is opened.

[0024] In this embodiment, the pressure sensor and the controller 6 can be connected by wire. In other embodiments, wireless communication technology can also be used for connection, such as a Bluetooth module, a WiFi module, a NB-IoT module, a Zigbee module, etc.

[0025] The unlocking structure can also be designed as a cam structure to limit the ejection plate 7.

[0026] In actual work, Figure 3 When the airship is working normally, the parachute bag assembly is installed on the mooring rope 10, and the pressure sensor installed on the hull is wired to the power supply and the controller 6, and the air pressure in the capsule is monitored by the pressure sensor.

[0027] like Figure 4 and Figure 5 When the capsule is damaged, the pressure sensor detects that the other pressure in the hull 101 drops rapidly. When the pressure sensor value is less than 30Pa (relative pressure), the controller 6 controls the unlocker 5 to work, pulls the lock pin out of the lock hole, unlocks the ejection plate 7, and the spring 4 ejects the ejection plate 7. The guide parachute 9 of the parachute bag 2 flies out with the ejection plate 7. After the guide parachute 9 flies out, it starts to work and pulls the parachute 8 out of the parachute bag 2. The parachute 8 opens against the wind, causing the damaged hull 101 to fall at a uniform speed.

[0028] Finally, it should be noted that the above embodiments are only used to illustrate but not limit the technical solutions of the present invention, and any equivalent substitutions of the present invention and any modifications or partial substitutions that do not depart from the spirit and scope of the present invention should be included in the scope of protection of the claims of the present invention.

Claims

1. A parachute-based tethered airship recovery device, characterized in that: The recovery device includes a parachute bag assembly, which includes a bracket for connecting to a mooring rope, a parachute bag connected to the bracket, a parachute arranged in the parachute bag, a guide parachute connected to the parachute, a launch plate pressed on the parachute bag, an unlocking mechanism connected between the launch plate and the bracket, the unlocking mechanism is provided with an unlocker for driving the elastic unlocking mechanism to unlock so as to eject the launch plate. The recovery device also includes a pressure sensor fixed on the hull, and a controller connected to the bracket or the launch plate, the controller is control-connected to the unlocker, and the controller is samplingly connected to the pressure sensor; the controller detects a threshold pressure numerical signal in the hull sampled by the pressure sensor, outputs a control signal to the unlocker, controls the unlocking mechanism to unlock, ejects the launch plate, and pulls the guide parachute and the parachute out of the parachute bag.

2. The parachute-based tethered airship recovery device according to claim 1, characterized in that: The unlocking mechanism includes a locking rod connected to the bracket and located on the side of the parachute bag, the ejection plate is sleeved on the locking rod, and the locking rod is sleeved with a spring mounted between the spring plate and the bracket. A pin hole is opened at the end of the locking rod, and a locking pin that cooperates with the ejection plate is inserted in the pin hole. The locking pin is connected to the unlocker, and the unlocker is controlled and connected to the controller.

3. The parachute-based tethered airship recovery device according to claim 2, characterized in that: The bracket is a rectangular frame plate structure, and there are two locking rods, which are arranged side by side at intervals along the diagonal line of the bracket, and the two ends of the ejection plate are respectively locked and fixed on the two locking rods.

4. The parachute-based tethered airship recovery device according to claim 3, characterized in that: The bracket is provided with a connecting ear for connecting the fixing belt of the parachute.

5. The parachute-based tethered airship recovery device according to claim 1, characterized in that: The threshold pressure value is no greater than 30Pa.

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