Inflation control device for forced landing air bag

Abstract

The utility model belongs to the technical field of rubber product matching devices, and discloses a forced landing air bag inflation control device. Comprising an external lithium battery component, a first movable inflator pump, a control box body, an aviation plug, a power switch, a wiring terminal, a gas pressure sensor, a first reducer pipe joint, a first box penetrating pipe joint, a first shunt, a first ball valve and a first quick plug connector, the power switch, the wiring terminal, the gas pressure sensor, the first reducer pipe joint and the first shunt are all arranged in the control box body; the external lithium battery component is electrically connected with the first movable inflator pump to provide electric energy for the first movable inflator pump; the external lithium battery component is electrically connected with the aviation plug, the aviation plug is electrically connected with the wiring terminal, the wiring terminal is connected with the power switch, and the wiring terminal is connected with the gas pressure sensor. The utility model relates to a special control device for a helicopter forced landing airbag, which integrates the functions of inflation control and pressure detection.

Description

Technical Field

[0001] This application relates to the technical field of rubber product supporting devices, and particularly relates to a forced landing airbag inflation control device. Background Art

[0002] A forced landing airbag is an emergency protection equipment used in the case of a helicopter forced landing. It is composed of multiple inflatable protection pads, which not only meet the buffering requirements, but also prevent the helicopter from bouncing and tipping over, realizing the smooth soft landing of the helicopter and reducing the collateral damage caused by the forced landing. The forced landing airbag inflation control device is a special control device used to realize the deployment and retraction of the forced landing airbag.

[0003] Since the helicopter forced landing site is mostly in the wild, it cannot meet the power supply requirements of high-power electrical equipment. The number of forced landing airbags is large, and it is impossible to inflate, deflate and check the pressure of each airbag one by one. At the same time, considering the safety of the operator. The operator needs to stay away from the rotor working area of the forced landing helicopter. Therefore, a special control device needs to be designed to realize the synchronous inflation and pressure inspection of the airbags. Utility Model Content

[0004] The purpose of this application is to provide a forced landing airbag inflation control device to realize the synchronous inflation and pressure inspection of the airbags.

[0005] Therefore, this application provides a forced landing airbag inflation control device, and the technical solution adopted is as follows:

[0006] A forced landing airbag inflation control device includes an external lithium battery component, a first mobile air pump, a control box, an aviation plug, a power switch, a terminal block, a gas pressure sensor, a first reducing pipe joint, a first pipe joint through the box, a first shunt, a first ball valve and a first quick connector;

[0007] The power switch, the terminal block, the gas pressure sensor, the first reducing pipe joint and the first shunt are all arranged inside the control box;

[0008] The external lithium battery component is electrically connected to the first mobile air pump to provide electrical energy for the first mobile air pump;

[0009] The external lithium battery component is electrically connected to the aviation plug, the aviation plug is electrically connected to the terminal block, the terminal block is connected to the power switch, and the terminal block is wire-connected to the gas pressure sensor;

[0010] The first through-box pipe joint is arranged on the side wall of the control box body. The first mobile air pump is connected to the first through-box pipe joint through a first pipeline. The first through-box pipe joint is connected to the first diverter through a second pipeline. The first diverter is connected to a first ball valve. The first diverter has a plurality of first output ports, and each first output port is connected to a third pipeline. The gas pressure sensor is arranged on the side wall of the control box body. The third pipeline is connected to the first reducer pipe joint. The first reducer pipe joint is connected to the first quick connector. The number of the first reducer pipe joints and the first quick connectors is the same as that of the third pipelines. The first reducer pipe joint is arranged on the inner side wall of the control box body, and the first quick connector is arranged on the outer side wall of the control box body.

[0011] Preferably, in the above-mentioned emergency landing airbag inflation control device, it further includes a second mobile air pump, a second reducer pipe joint, a second through-box pipe joint, a second diverter, a second ball valve and a second quick connector;

[0012] The external lithium battery component is electrically connected to the second mobile air pump to provide electrical energy for the second mobile air pump;

[0013] The second through-box pipe joint is arranged on the side wall of the control box body. The second mobile air pump is connected to the second through-box pipe joint through a fourth pipeline. The second through-box pipe joint is connected to the second diverter through a fifth pipeline. The second diverter is connected to a second ball valve. The second diverter has a plurality of second output ports, and each second output port is connected to a sixth pipeline. A gas pressure sensor is arranged on each sixth pipeline. The sixth pipeline is connected to the second reducer pipe joint. The second reducer pipe joint is connected to the second quick connector. The number of the second reducer pipe joints and the second quick connectors is the same as that of the sixth pipelines. The second reducer pipe joint is arranged on the inner side wall of the control box body, and the second quick connector is arranged on the outer side wall of the control box body.

[0014] Preferably, in the above-mentioned emergency landing airbag inflation control device, the first pipeline, the second pipeline and the third pipeline are all rubber hoses.

[0015] Preferably, in the above-mentioned emergency landing airbag inflation control device, the fourth pipeline, the fifth pipeline and the sixth pipeline are all rubber hoses.

[0016] Preferably, in the above-mentioned emergency landing airbag inflation control device, the terminal is installed on the side wall of the control box body by screws. The gas pressure sensor is installed on the side wall of the control box body by screws. The positive and negative poles of the gas pressure sensor are integrated on the terminal. The external lithium battery component integrates the positive and negative poles on the terminal through an aviation plug and a power switch to supply power to the gas pressure sensor.

[0017] Preferably, in the above-mentioned emergency landing airbag inflation control device, the control box body has a power distribution cabinet structure, is manufactured by welding stainless steel plates, the upper end of the control box body is open, and a lid that can be opened is arranged in a matching manner.

[0018] Preferably, in the above-mentioned emergency landing airbag inflation control device, four third pipelines are provided.

[0019] Preferably, in the above-mentioned emergency landing airbag inflation control device, eight sixth pipelines are provided.

[0020] Preferably, in the above-mentioned emergency landing airbag inflation control device, the gas pressure sensor is a digital display gas pressure sensor.

[0021] The beneficial effects of this application are as follows:

[0022] 1. This application integrates functions such as controlling inflation and deflation and pressure inspection, and combines various components through the control box body. The control box body can be opened to facilitate the maintenance of internal components. This design transforms the outfield maintenance from independent and single to comprehensive and integrated, achieving the goals of intensive efficiency, simple maintenance, safety and reliability.

[0023] 2. This application uses aviation plugs, switch buttons, and terminal blocks for electrical connection to supply power to the digital display gas pressure sensor, enabling the internal pressure of the airbag to be more intuitively presented to the operator for timely control.

[0024] 3. The external lithium battery of this application is connected to the control box through aviation plugs and switches, with simple operation and fast power access. At the same time, this power supply method can protect electrical components from liquid erosion and ensure electrical safety.

[0025] 4. This application distributes gas in a total - sub - manner. The gas source assembly is connected to the control device through a rubber hose. The control device distributes gas to each airbag through a gas diverter, and each branch of the gas diverter is equipped with a ball valve to realize the deployment and retraction of the airbag.

[0026] 5. This application can be connected to the airbag through a rubber hose. Quick - connect joints are used between the rubber hose and each pipe fitting. This design increases the distance between the control device and the airbag, enabling the operator to stay away from the working area of the helicopter rotor. The connection between the rubber hose and the airbag and the control device is simple, and it is easy to retract and transport.

[0027] 6. The overall structure of this device is easy to manufacture and repair, with convenient operation, meeting the usage requirements of the emergency landing airbag in survival conditions. Description of the Drawings

[0028] To more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings required for use in the description of the specific embodiments or the prior art. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to scale.

[0029] Figure 1 The structural schematic diagram of a crash landing airbag inflation control device according to an embodiment of the present application is shown.

[0030] Figure 2 The structural schematic diagram of a crash landing airbag inflation control device with multiple mobile inflators configured according to an embodiment of the present application is shown.

[0031] Figure 3 The three-dimensional view of the control box of a crash landing airbag inflation control device according to an embodiment of the present application is shown. Description of the Drawings:

[0033] 1. External lithium battery component; 2. First mobile inflator; 3. Control box; 301. Upper cover; 4. Aviation plug; 5. Power switch; 6. Terminal block; 7. Gas pressure sensor; 8. First reducer joint; 9. First pipe joint through the box; 10. First diverter; 11. First ball valve; 12. First quick connector; 13. First pipeline; 14. Second pipeline; 15. Third pipeline; 16. Second mobile inflator; 17. Second reducer joint; 18. Second pipe joint through the box; 19. Second diverter; 20. Second ball valve; 21. Second quick connector; 22. Fourth pipeline; 23. Fifth pipeline; 24. Sixth pipeline. Specific Embodiments

[0034] The following illustrates the embodiments of the present application through specific examples. Those skilled in the art can easily understand the other advantages and effects of the present application from the content disclosed in this specification. The present application can also be implemented or applied through other different specific embodiments. Various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of the present application. It should be noted that, without conflict, the following embodiments and the features in the embodiments can be combined with each other.

[0035] The following further describes in detail the specific embodiments of the present application in conjunction with the drawings and embodiments.

[0036] Figure 1 This is the structural diagram of a crash landing airbag inflation control device provided by the embodiment of the present application. The embodiment of the present application provides a crash landing airbag inflation control device, as Figure 1, the emergency landing airbag inflation control device includes an external lithium battery component 1, a first mobile inflator 2, a control box 3, an aviation plug 4, a power switch 5, a terminal block 6, a gas pressure sensor 7, a first reducing pipe joint 8, a first pipe joint passing through the box 9, a first diverter 10, a first ball valve 11, and a first quick connector 12; the power switch 5, the terminal block 6, the gas pressure sensor 7, the first reducing pipe joint 8, and the first diverter 10 are all arranged inside the control box 3; the external lithium battery component 1 is electrically connected to the first mobile inflator 2 to provide electrical energy for the first mobile inflator 2; the external lithium battery component 1 is electrically connected to the aviation plug 4, the aviation plug 4 is electrically connected to the terminal block 6, the terminal block 6 is connected to the power switch 5, and the terminal block 6 is wire-connected to the gas pressure sensor 7; the first pipe joint passing through the box 9 is arranged on the side wall of the control box 3, the first mobile inflator 2 is connected to the first pipe joint passing through the box 9 through a first pipeline 13, the first pipe joint passing through the box 9 is connected to the first diverter 10 through a second pipeline 14, the first diverter 10 is connected to the first ball valve 11, the first diverter 10 has a plurality of first output ports, each first output port is connected to a third pipeline 15, the gas pressure sensor 7 is arranged on the side wall of the control box 3, the third pipeline 15 is connected to the first reducing pipe joint 8, the first reducing pipe joint 8 is connected to the first quick connector 9, the number of the first reducing pipe joint 8 and the first quick connector 9 is the same as the number of the third pipelines 15, the first reducing pipe joint 8 is arranged on the inner side wall of the control box 3, and the first quick connector 9 is arranged on the outer side wall of the control box 3.

[0037] When the emergency landing airbag inflation control device is specifically implemented, after determining the predetermined location of the helicopter's emergency landing, first, the operator places each component of the emergency landing airbag in the designated area, and each component of the airbag unfolds and is fixed as a whole. The emergency landing airbag inflation control device is placed at a position outside the working area of the helicopter rotor. Each airbag air inlet and pressure inspection port are connected to a rubber hose, and the other end of the hose is connected to each exhaust port / pressure sensor input port (i.e., the corresponding first quick connector 12) of the inflation control device according to the label. At the same time, the mobile air pump is connected to the air inlet of the control device (i.e., the first pipe joint passing through the box 9) through a hose (i.e., the first pipeline 13). The external lithium battery is connected to the terminal block 6 through the aviation plug 4 to supply power to the gas pressure sensor 7.

[0038] Start the external lithium battery to supply power to the first mobile inflator 2 and the gas pressure sensor 7. Turn on the power switch 5 to perform the initialization operation of the gas pressure sensor 7. After the initialization is completed, turn on the mobile inflator, open each airbag air inlet valve and the first ball valve 11. Start to inflate the airbag. The operator monitors the airbag pressure in real time according to the digital display pressure result of the gas pressure sensor 7. When the pressure reaches the preset value, the operator closes each air inlet valve and the mobile air pump, and the airbag maintains pressure. Provide support for the helicopter's emergency landing.

[0039] In the above implementation process, the gas pressure sensor 7 is selected as a digital display gas pressure sensor. Understandably, the above setting of the type of the gas pressure sensor 7 is only an example and not a limitation to this application. In other embodiments of this application, the gas pressure sensor 7 can also be selected as other types of gas pressure sensors.

[0040] In some embodiments, the emergency descent airbag inflation control device can also be configured with multiple mobile inflators, that is, an emergency descent airbag inflation control device can simultaneously provide a pressure visualization inflation function for multiple emergency descent airbags.

[0041] Exemplarily, taking the configuration of two mobile inflators as an example, as Figure 2 shown, the emergency descent airbag inflation control device further includes a second mobile inflator 16, a second reducer joint 17, a second through-box joint 18, a second splitter 19, a second ball valve 20, and a second quick connector 21; the external lithium battery component 1 is electrically connected to the second mobile inflator 16 to provide electrical energy for the second mobile inflator 16; the second through-box joint 18 is disposed on the side wall of the control box 3, the second mobile inflator 16 is connected to the second through-box joint 18 through a fourth pipeline 22, the second through-box joint 18 is connected to the second splitter 19 through a fifth pipeline 23, the second splitter 19 is connected to the second ball valve 20, the second splitter 19 has a plurality of second output ports, each second output port is connected to a sixth pipeline 24, a gas pressure sensor 7 is disposed on each sixth pipeline 24, the sixth pipeline 24 is connected to the second reducer joint 17, the second reducer joint 17 is connected to the second quick connector 21, the number of the second reducer joint 17 and the second quick connector 21 is the same as the number of the sixth pipelines, the second reducer joint 17 is disposed on the inner side wall of the control box 3, and the second quick connector 21 is disposed on the outer side wall of the control box 3.

[0042] Among them, the process of inflating the emergency descent airbag by using the second mobile inflator 16 is the same as the process of inflating the emergency descent airbag by using the first mobile inflator 2 described above, and will not be elaborated here.

[0043] In this embodiment, the fourth pipeline 22, the fifth pipeline 23, and the sixth pipeline 24 are all rubber hoses to facilitate the rapid assembly of the pipelines during the inflation process.

[0044] In the case of being configured with multiple mobile inflators, the splitters connected to each mobile inflator can have different numbers of output ports, that is, different levels of inflation port configurations are realized, so as to meet the inflation requirements of various types of emergency descent airbags. For example, the first splitter 10 can be a one-to-four splitter with four first output ports, and the second splitter 19 can be a one-to-eight splitter with eight second output ports.

[0045] In some embodiments, the terminal block 6 is mounted on the side wall of the control box body 3 by screws, the gas pressure sensor 7 is mounted on the side wall of the control box body 3 by screws, the positive and negative electrodes of the gas pressure sensor 3 are integrated on the terminal block 6, and the external lithium battery component 1 integrates the positive and negative electrodes on the terminal block 6 through the aviation plug 4 and the power switch 5 to supply power to the gas pressure sensor.

[0046] Exemplarily, the female end of the aviation plug is mounted on the side wall of the control box, an external end cover is provided, and the male end of the aviation plug is electrically connected to the external lithium battery pack using wires.

[0047] Figure 3 The perspective view of the control box body provided by the embodiment of the present application is as Figure 3 shown. The control box body 3 can be a distribution cabinet type structure, manufactured by welding stainless steel plates. The upper end of the control box body 3 is open and is provided with a rotatable upper cover 301 in a matching manner. At the same time, mounting holes and welding positions for each component are reserved on the surface of the control box body 3.

[0048] In summary, the present application is a special control device for a helicopter emergency landing airbag, whose functions integrate inflation control and pressure detection. The internal components of the control device are integrated on the box body, which is convenient for operators to transport and maintain. The device is powered by an external lithium battery through an aviation plug and a power switch. The emergency landing airbag is connected to the control device through a rubber hose and a quick connector, and the whole system is convenient to assemble. The gas supplied to the main pipeline by the mobile air pump is distributed to each part of the emergency landing airbag through the shunt of the control device. The air pressure in the airbag is fed back to the operator through the rubber hose and the pressure sensor, which is convenient for the operator to control in time. It meets the monitoring function and safety requirements under field conditions in the case of a helicopter emergency landing.

[0049] The above embodiments are only used to illustrate the present application, rather than to limit the present application. Those of ordinary skill in the relevant technical fields can also make various changes and modifications without departing from the spirit and scope of the present application. Therefore, all equivalent technical solutions also belong to the scope of the present application, and the patent protection scope of the present application should be defined by the claims.

Claims

1. An airbag inflation control device for forced landing, characterized in that: It includes an external lithium battery component, a first mobile air pump, a control box, an aviation plug, a power switch, a terminal block, a gas pressure sensor, a first reducer, a first box-penetrating pipe joint, a first diverter, a first ball valve and a first quick-connect joint; The power switch, the wiring terminal, the gas pressure sensor, the first reducer joint, and the first diverter are all arranged inside the control box; The external lithium battery component is electrically connected to the first mobile air pump to provide power to the first mobile air pump; The external lithium battery component is electrically connected to the aviation plug, the aviation plug is electrically connected to the wiring terminal, the wiring terminal is connected to the power switch, and the wiring terminal wire is connected to the gas pressure sensor; The first box-penetrating pipe joint is arranged on the side wall of the control box body, the first mobile air pump is connected to the first box-penetrating pipe joint through a first pipe, the first box-penetrating pipe joint is connected to the first diverter through a second pipe, the first diverter is connected to the first ball valve, the first diverter has a plurality of first output ports, each of the first output ports is connected to a third pipe, the gas pressure sensor is arranged on the side wall of the control box body, the third pipe is connected to the first reducer pipe joint, the first reducer pipe joint is connected to the first quick-plug joint, the number of the first reducer pipe joint and the first quick-plug joint is consistent with the number of the third pipe, the first reducer pipe joint is arranged on the inner wall of the control box body, and the first quick-plug joint is arranged on the outer wall of the control box body.

2. The forced landing airbag inflation control device according to claim 1, characterized in that: It also includes a second mobile air pump, a second reducer pipe joint, a second box-penetrating pipe joint, a second flow divider, a second ball valve and a second quick-plug joint; The external lithium battery component is electrically connected to the second mobile air pump to provide power to the second mobile air pump; The second box-penetrating pipe joint is arranged on the side wall of the control box body, the second mobile air pump is connected to the second box-penetrating pipe joint through the fourth pipe, the second box-penetrating pipe joint is connected to the second diverter through the fifth pipe, the second diverter is connected to the second ball valve, the second diverter has a plurality of second output ports, each of the second output ports is connected to the sixth pipe, each sixth pipe is provided with a gas pressure sensor, the sixth pipe is connected to the second reducer pipe joint, the second reducer pipe joint is connected to the second quick-plug joint, the number of the second reducer pipe joint and the second quick-plug joint is consistent with the number of the sixth pipe, the second reducer pipe joint is arranged on the inner wall of the control box body, and the second quick-plug joint is arranged on the outer wall of the control box body.

3. The forced landing airbag inflation control device according to claim 1, characterized in that: The first pipe, the second pipe and the third pipe are all rubber hoses.

4. The forced landing airbag inflation control device according to claim 2, characterized in that: The fourth pipeline, the fifth pipeline and the sixth pipeline are all rubber hoses.

5. The forced landing airbag inflation control device according to claim 1, characterized in that: The wiring terminal is installed on the side wall of the control box by screws, the gas pressure sensor is installed on the side wall of the control box by screws, the positive and negative electrodes of the gas pressure sensor are integrated on the wiring terminal, and the positive and negative electrodes of the external lithium battery component are integrated on the wiring terminal through an aviation plug and a power switch to supply power to the gas pressure sensor.

6. The forced landing airbag inflation control device according to claim 1, characterized in that: The control box body is a power distribution cabinet structure, and is manufactured by welding stainless steel plates. The upper end of the control box body is open and is matched with an openable upper cover.

7. The forced landing airbag inflation control device according to claim 1, characterized in that: The number of the third pipelines is four.

8. The forced landing airbag inflation control device according to claim 2, characterized in that: The number of the sixth pipelines is eight.

9. The forced landing airbag inflation control device according to claim 1, characterized in that: The gas pressure sensor is a digital gas pressure sensor.

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