Error touch prevention device for position switch of ELT (Extreme Line Transfer)

Abstract

The utility model discloses a mistaken touch prevention device for a position switch of an ELT (Extreme Line Transfer), which relates to the field of civil aviation passenger plane ELT devices and comprises a stop block used for being clamped at a wiring end of the ELT device; a fixing hole and an observation hole are formed in the middle of the stopper; the fixing hole is matched with a position switch of the ELT device in position, and the observation hole is matched with an indicator lamp of the ELT device in position. A first limiting groove and a second limiting groove are formed in the edge of the stop block; the first limiting groove is matched with an antenna connector of the ELT device in position, and the second limiting groove is matched with an electric plug of the ELT device in position. Before the ELT device is disassembled or tested, the stop block is clamped at the wiring end of the ELT device, and the position switch of the ELT device is positioned in the fixing hole, so that the position switch is protected, and the risk of ELT emission caused by mistaken touch of the position switch is fundamentally avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of civil aviation passenger plane ELT device, especially to a position electric door mistaken touch prevention device of ELT. BACKGROUND

[0002] Emergency locator transmitter (ELT) is an emergency communication equipment on the plane, which has the function of automatically sending location signals to the satellite, and is used for emergency positioning after the accident of the plane. When disassembling or testing the ELT device, since the position electric door of the ELT is close to the position of the electric plug and the antenna connector, it is easy to mistakenly touch the position electric door during disassembly or testing, which causes the ELT to turn on and transmit the alarm information, interferes with the normal distress signal transmission of the distressed aircraft, and affects the implementation of the search and rescue action.

[0003] In the prior art, there is no professional tool to prevent the position electric door from being mistakenly touched by the worker during the disassembly or testing of the ELT device, and the worker can only accurately control the operation action during the disassembly or testing operation to try to avoid the risk of ELT signal transmission caused by the mistaken touch of the position electric door. UTILITY MODEL CONTENT

[0004] The utility model provides a position electric door mistaken touch prevention device of ELT, which can fundamentally solve the risk of ELT signal transmission caused by the mistaken touch of the position electric door.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme:

[0006] The utility model provides a position electric door mistaken touch prevention device of ELT, which can fundamentally solve the risk of ELT signal transmission caused by the mistaken touch of the position electric door.

[0007] The middle part of the stopper is provided with a fixing hole and an observation hole; the fixing hole is matched with the position electric door of the ELT device, and the observation hole is matched with the indicator light of the ELT device.

[0008] The edge of the stopper is provided with a first limiting groove and a second limiting groove; the first limiting groove is matched with the antenna connector of the ELT device, and the second limiting groove is matched with the electric plug of the ELT device.

[0009] In a possible implementation manner, the opening depth of the fixing hole is greater than the length of the position electric door of the ELT device.

[0010] In a possible implementation manner, the fixing hole and the observation hole are both round holes, and the hole diameter of the fixing hole is slightly greater than the diameter of the position electric door.

[0011] In a possible implementation, the first limiting slot and the second limiting slot are both circular arc shapes, and the width of the first limiting slot is slightly greater than the caliber of the antenna connector of the ELT device, and the width of the second limiting slot is slightly greater than the caliber of the electric plug of the ELT device.

[0012] In a possible implementation, the position switch anti-misoperation device further comprises a warning ribbon, and the warning ribbon is connected with the block.

[0013] In a possible implementation, the warning ribbon is provided with a prompt character.

[0014] In a possible implementation, the warning ribbon is provided with a reflective marker.

[0015] In a possible implementation, the block is provided with a boss outwardly extending from the edge of the first limiting slot and the second limiting slot, and the thickness of the boss is less than the thickness of the block.

[0016] In a possible implementation, the boss is provided with a ribbon hole, and the warning ribbon is connected with the block through the ribbon hole.

[0017] In a possible implementation, the block is obtained by 3D printing of a powdery plastic material.

[0018] In actual application, the position switch anti-misoperation device of the ELT provided in the embodiment of the present application allows the block to be clamped at the wiring end of the ELT device before a worker disassembles or tests the ELT device, so that the position switch of the ELT device is in the fixed hole, thereby protecting the position switch and fundamentally avoiding the risk of ELT emission caused by misoperation of the position switch; the indicator light of the ELT device is in the observation hole, so as to facilitate the worker to directly observe the state of the indicator light; the antenna connector of the ELT device is located at the first limiting slot, and the electric plug of the ELT device is located at the second limiting slot, so as to ensure the normal rotation requirement of the antenna connector and the electric plug without affecting the quick disassembly and assembly of the block and the ELT device; the block separates the antenna connector and the electric plug, and can also avoid mutual influence of adjacent antenna connectors and electric plugs during plugging and unplugging. BRIEF DESCRIPTION OF DRAWINGS

[0019] Fig. 1 FIG. 1 is a schematic diagram of an installation structure of a position switch anti-misoperation device of an ELT provided in the embodiment of the present application;

[0020] Fig. 2 FIG. 2 is a schematic diagram of a block structure of a position switch anti-misoperation device of an ELT provided in the embodiment of the present application;

[0021] Fig. 3The utility model discloses a whole structure schematic diagram of a position electric door mistaken touch prevention device of ELT.

[0022] Signs and descriptions:

[0023] 1, ELT device;11, position electric door;12, indicating lamp;13, antenna connector;14, electric plug;2, position electric door mistaken touch prevention device;21, stop block;22, fixed hole;23, observation hole;24, first limit slot;25, second limit slot;26, warning ribbon;27, reminding character;28, reflective mark;29, boss;210, ribbon hole. Specific implementation

[0024] The technical scheme 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, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative efforts belong to the protection scope of the utility model.

[0025] Hereinafter, the terms "first", "second" are only used for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more features. In the description of the embodiments of the present disclosure, unless otherwise specified, the meaning of "multiple" is two or more. In addition, the use of "based on" or "according to" means openness and inclusiveness, because the process, step, calculation or other action based on one or more described conditions or values can be based on additional conditions or values beyond the described values in practice.

[0026] In order to solve the problem of ELT emission caused by mistaken touch of position electric door, the utility model embodiment provides a position electric door mistaken touch prevention device of ELT.

[0027] As Figs. 1-3 The utility model discloses a position electric door mistaken touch prevention device 2 of ELT, including stop block 21, for the joint in ELT device 1's wiring terminal.

[0028] Among them, ELT device 1 full name emergency locator transmitter, is the emergency communication equipment on the airplane, has the function of automatically sending position to satellite. It can contact the airport or search and rescue organization and provide the position information of the airplane when the airplane encounters emergency, thereby positioning rescue.

[0029] The wiring terminal of ELT device 1 is equipped with position electric door 11, indicating lamp 12, antenna connector 13 and electric plug 14.

[0030] The position switch 11 is used to control the working state of the ELT, and is usually located in the cockpit for manually starting the ELT. In normal cases, the ELT switch in the cockpit should be in the ARM position, and the switch on the ELT should also be in the ARM position, so as to ensure that the ELT can be quickly started in an emergency to send a distress signal.

[0031] The indicator light 12 is used to display the state of the ELT. When the switch is ON, the indicator light 12 displays ON, AUTO or a horizontal bar; when the switch is OFF, the indicator light 12 displays OFF or a line. The indicator light 12 helps the flight personnel to understand the working state of the ELT and ensures the normal operation of the device.

[0032] The antenna connector 13 and the electrical connector 14 are important parts for connecting the ELT with the aircraft system. When the ELT is replaced or maintained, the external antenna connector and the remote control connector need to be disconnected, and a protective cover is installed on the electrical connector. These operations ensure that the ELT is not accidentally started during maintenance and unnecessary signals are avoided.

[0033] Specifically, the stop block 21 has a fixing hole 22 and an observation hole 23 in the middle.

[0034] The fixing hole 22 is matched with the position of the position switch 11 of the ELT device 1, and the observation hole 23 is matched with the position of the indicator light 12 of the ELT device 1.

[0035] The stop block 21 has a first limiting groove 24 and a second limiting groove 25 on the edge.

[0036] The first limiting groove 24 is matched with the position of the antenna connector 13 of the ELT device 1, and the second limiting groove 25 is matched with the position of the electrical connector 14 of the ELT device 1.

[0037] That is, the positions of the fixing hole 22, the observation hole 23, the first limiting groove 24 and the second limiting groove 25 on the stop block 21 are determined according to the positions of the position switch 11, the indicator light 12, the antenna connector 13 and the electrical connector 14 on the wiring end of the ELT device 1, respectively.

[0038] When the antenna connector 13 and the electrical connector 14 are distributed on opposite sides of the wiring end of the ELT device 1, the first limiting groove 24 corresponding to the antenna connector 13 and the second limiting groove 25 corresponding to the electrical connector 14 are correspondingly distributed on opposite sides of the stop block 21.

[0039] In this embodiment, when the antenna connector 13 and the electrical connector 14 are distributed on the left side and the right side of the wiring end of the ELT device 1, the first limiting groove 24 and the second limiting groove 25 are correspondingly arranged on the left side and the right side of the stop block 21.

[0040] When the position switch 11 and the indicating lamp 12 are located between the antenna connector 13 and the electric plug 14 in the wiring end of the ELT device 1, the fixed hole 22 corresponding to the position switch 11 and the observation hole 23 corresponding to the indicating lamp 12 are opened in the middle part of the block 21.

[0041] In the embodiment, when the position switch 11 is located directly above the indicating lamp 12, the fixed hole 22 is located above the observation hole 23 in the middle part of the block 21; when the position switch 11 is located on the left side of the indicating lamp 12, the fixed hole 22 is located on the left side of the observation hole 23 in the middle part of the block 21.

[0042] In the embodiment, in order to facilitate the clamping of the block 21 and the wiring end of the ELT device 1, the shape of the edge of the first limiting groove 24 and the second limiting groove 25 of the block 21 is matched with the arc of the wiring groove of the wiring end of the ELT device 1.

[0043] When the block 21 is clamped in the wiring end of the ELT device 1, it cannot be shaken left and right, and is installed in a straight-up and straight-down manner.

[0044] In actual application, the position switch 11 anti-misoperation device of the ELT provided in the embodiment of the utility model is used, the block 21 is clamped in the wiring end of the ELT device 1 before the staff disassembles or tests the ELT device 1, the position switch 11 of the ELT device 1 is in the fixed hole 22, thereby the position switch 11 is protected, and then the risk of ELT emission caused by misoperation of the position switch 11 is fundamentally avoided. The indicating lamp 12 of the ELT device 1 is in the observation hole 23, which facilitates the staff to directly observe the state of the indicating lamp 12. The antenna connector 13 of the ELT device 1 is located at the first limiting groove 24, and the electric plug 14 of the ELT device 1 is located at the second limiting groove 25, which guarantees the normal rotation requirement of the antenna connector 13 and the electric plug 14 without affecting the quick disassembly and assembly of the block 21 and the ELT device 1. The antenna connector 13 and the electric plug 14 are separated by the block 21, and the mutual influence of adjacent antenna connectors 13 and electric plugs 14 during plugging and unplugging is also avoided.

[0045] Further, the opening depth of the fixed hole 22 is greater than the length of the position switch 11 of the ELT device 1.

[0046] Specifically, the position switch 11 of the ELT device 1 is a column-shaped lever, the direction of the column-shaped lever can realize the function control of the position switch 11, in order to guarantee the protection effect of the block 21 on the position switch 11, the whole position switch 11 is located inside the fixed hole 22, the opening depth of the fixed hole 22, that is, the thickness of the block 21 is set to be greater than the length of the position switch 11.

[0047] Further, the fixing hole 22 and the observation hole 23 are both circular holes, and the diameter of the fixing hole 22 is slightly larger than the diameter of the position switch 11.

[0048] Specifically, the shape of the fixing hole 22 matches the shape of the position switch 11, and the shape of the observation hole 23 matches the shape of the indicator light 12. In order to ensure the anti-misoperation effect of the stop block 21 on the position switch 11, the fixing hole 22 cannot be set too large, and preferably is slightly larger than the diameter of the position switch 11. For example, the diameter of the fixing hole 22 is set to be 1-3 mm larger than the diameter of the position switch 11.

[0049] Further, the first limiting groove 24 and the second limiting groove 25 are both circular arc shapes, and the width of the first limiting groove 24 is slightly larger than the diameter of the antenna connector 13 of the ELT device 1, and the width of the second limiting groove 25 is slightly larger than the diameter of the electric plug 14 of the ELT device 1.

[0050] Specifically, the shape of the first limiting groove 24 matches the shape of the antenna connector 13, and the shape of the second limiting groove 25 matches the shape of the electric plug 14. The width of the first limiting groove 24 refers to the diameter of the corresponding circular arc of the first limiting groove 24, and the width of the second limiting groove 25 refers to the diameter of the corresponding circular arc of the second limiting groove 25.

[0051] In order to ensure that the first limiting groove 24 can meet the rotation needs of the antenna connector 13, the width of the first limiting groove 24 is set to be slightly larger than the diameter of the antenna connector 13; in order to ensure that the second limiting groove 25 can meet the rotation needs of the electric plug 14, the width of the second limiting groove 25 is set to be slightly larger than the diameter of the electric plug 14. Specifically, the width of the first limiting groove 24 is set to be 1-3 mm larger than the diameter of the antenna connector 13, and the width of the second limiting groove 25 is set to be 1-3 mm larger than the diameter of the electric plug 14.

[0052] Further, the position switch 11 anti-misoperation device further comprises a warning ribbon 26, and the warning ribbon 26 is connected with the stop block 21.

[0053] Specifically, after completing the disassembly or testing of the ELT device 1, the staff needs to take off the stop block 21 from the wiring end of the ELT device 1 to avoid causing the ELT device 1 to lose control due to the stop block 21. The warning ribbon 26 is used to remind the staff to take off the stop block 21 in time.

[0054] Further, the warning ribbon 26 is provided with a reminding character 27.

[0055] In the embodiment, the reminding character 27 is the word “please take off before takeoff”, which is used to remind the staff.

[0056] Further, in order to improve the reminding effect of the warning ribbon 26, the warning ribbon 26 is provided with a reflective marker 28.

[0057] Further, the edge of the first limiting groove 24 and the second limiting groove 25 of the block 21 extends outwardly and is provided with a boss 29, and the thickness of the boss 29 is less than the thickness of the block 21.

[0058] Specifically, the boss 29 is arranged to facilitate the user to hold the block 21 when disassembling and assembling the block 21.

[0059] Further, the ribbon hole 210 is arranged on the boss 29, and the warning ribbon 26 is connected to the block 21 through the ribbon hole 210.

[0060] In the embodiment, the warning ribbon 26 can be detachably connected to the block 21 through a steel ring buckle or a tie through the ribbon hole 210, so as to facilitate the user to install or replace the warning ribbon 26.

[0061] Further, the block 21 is obtained by 3D printing of a powder-shaped plastic material.

[0062] Specifically, a plurality of blocks 21 can be prepared by using the 3D printing material of the powder-shaped plastic material, and the manufacturing cost is low, and in the embodiment, the production cost of the block 21 is less than 2 yuan per piece.

[0063] The flexibility of the block 21 prepared by using the 3D printing material of the powder-shaped plastic material is high, and the manufacturing is simple, and the positions of the fixing hole 22, the observation hole 23, the first limiting groove 24 and the second limiting groove 25 on the block 21 can be adjusted according to the positions of the fixing hole 22, the observation hole 23, the first limiting groove 24 and the second limiting groove 25 on the block 21, so as to obtain blocks 21 with different sizes and structures.

[0064] The technical precision of the block 21 prepared by using the 3D printing material of the powder-shaped plastic material is high, and the assembly precision of the block 21 and the ELT device 1 is high.

[0065] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any change or replacement within the technical scope disclosed in the present application should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A position gate mis-touch prevention device of an ELT, characterized by, The blocking block (21) is used for clamping in the terminal of the ELT device (1); The blocking block (21) is provided with a fixing hole (22) and an observation hole (23) in the middle; the fixing hole (22) is matched with the position switch (11) of the ELT device (1), and the observation hole (23) is matched with the indicator light (12) of the ELT device (1); The blocking block (21) is provided with a first limiting groove (24) and a second limiting groove (25) at the edge; the first limiting groove (24) is matched with the antenna connector (13) of the ELT device (1), and the second limiting groove (25) is matched with the electric plug (14) of the ELT device (1).

2. The false touch prevention device of the position knob of the ELT according to claim 1, characterized in that, The opening depth of the fixing hole (22) is greater than the length of the position switch (11) of the ELT device (1).

3. The false touch prevention device of the position knob of the ELT according to claim 2, characterized in that, The fixing hole (22) and the observation hole (23) are both circular holes, and the hole diameter of the fixing hole (22) is slightly larger than the diameter of the position switch (11).

4. The false touch prevention device of the position knob of the ELT according to claim 3, wherein, The first limiting groove (24) and the second limiting groove (25) are both circular arc shapes, and the width of the first limiting groove (24) is slightly greater than the caliber of the antenna connector (13) of the ELT device (1), and the width of the second limiting groove (25) is slightly greater than the caliber of the electric plug (14) of the ELT device (1).

5. The false touch prevention device of the position knob of the ELT according to claim 4, wherein, The position switch anti-misoperation device (2) further comprises a warning ribbon (26), and the warning ribbon (26) is connected with the blocking block (21).

6. The false touch prevention device of the position knob of the ELT according to claim 5, wherein, The warning ribbon (26) is provided with a prompt character (27).

7. The false touch prevention device of the position knob of the ELT according to claim 5, wherein, The warning ribbon (26) is provided with a reflective marker (28).

8. The false touch prevention device of the position knob of the ELT according to claim 5, wherein, The edge of the blocking block (21) where the first limiting groove (24) and the second limiting groove (25) are not arranged is provided with a boss (29) extending outward, and the thickness of the boss (29) is less than the thickness of the blocking block (21).

9. The false touch prevention device of the position knob of the ELT according to claim 8, wherein, The boss (29) is provided with a ribbon hole (210), and the warning ribbon (26) is connected with the blocking block (21) through the ribbon hole (210).

10. The false touch prevention apparatus of a position knob of an ELT according to claim 1, wherein, The blocking block (21) is obtained by 3D printing of a powdery plastic material.

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