Aviation data card plug-in protection mechanism

Abstract

The present invention provides an aviation data card plug-in protection mechanism, comprising: a frame, the frame including a cabin, the cabin is equipped with a rotating shaft type cabin door, a fixed plate is arranged in the cabin, an arc through hole is provided on the fixed plate, a photoelectric switch is arranged at one end of the arc through hole, and an arc light sensing groove connected to the arc through hole is arranged on the photoelectric switch; a connecting rod seat, a rotating shaft is arranged on the connecting rod seat, the rotating shaft rotatably connects the connecting rod seat with the fixed plate, an arc plug is vertically fixed at the end of the connecting rod seat, the arc plug is located in the arc light sensing groove, and can move in the arc through hole and the arc light sensing groove as the connecting rod seat rotates; a connecting rod, one end of the connecting rod is rotatably connected to one end of the connecting rod seat, and the other end is rotatably connected to the inner side of the cabin door. The present invention can provide early warning protection for data card recording information to prevent data card recording disorder. The protection mechanism is simple and reliable in form, simple in assembly and maintenance operation, easy to implement, and stable and reliable in function.

Description

Technical Field

[0001] The invention relates to the technical field of aviation machinery, and in particular to an aviation data card plug-in and pull-out protection mechanism. Background Art

[0002] Data cards and data are important components of aviation equipment, mainly used to record important flight data of aircraft. Data cards and the data they store are required to be reliable and stable during recording and use. Aviation equipment is moving towards lightweight and integrated functions, while also ensuring stable and reliable performance. Lightweighting and integration will inevitably lead to integration and coupling between various structures, removing redundant structures, achieving structural sharing and linkage, and even making the structure of aviation equipment conform to the structure of the aircraft itself to achieve further lightweighting of the aircraft.

[0003] The door component is a commonly used rotating structure in mechanical motion pairs, which facilitates the insertion and maintenance of data cards in aviation airborne products. Traditional data cards are directly inserted and removed from the inside of aviation equipment, or there are cases of misoperation, and the data card is not protected by stopping data recording before insertion. After the data card is pulled out, the internal data will be disordered, making the data invalid and unable to be used normally. Summary of the invention

[0004] In view of this, an embodiment of the present application provides an aviation data card plug-in protection mechanism. The embodiment of the present application associates the cabin door opening angle with the photoelectric switch and the data card, and designs the photoelectric switch to complete signal conversion before the data card inside the product is pushed, thereby providing early warning protection for the data card recording information and preventing data card recording disorder; the protection mechanism is simple and reliable in form, the structural parts cooperate with each other, and the operation is simple, so as to achieve the purpose of ensuring the reliable realization of the overall performance of the aviation equipment.

[0005] The embodiment of the present application provides the following technical solution: an aviation data card plug-in protection mechanism, comprising:

[0006] A data card installation rack, the data card installation rack comprising a cabin, the cabin being equipped with a rotating shaft door, a fixing plate being arranged in the cabin, the fixing plate being used to place a data card; an arc-shaped through hole being provided on the fixing plate, a photoelectric switch being arranged at one end of the arc-shaped through hole, and an arc-shaped light sensing slot being arranged on the photoelectric switch and being connected to the arc-shaped through hole;

[0007] A connecting rod seat, wherein a rotating shaft is arranged on the connecting rod seat, wherein the rotating shaft rotatably connects the connecting rod seat with the fixing plate, and an arc-shaped insert is vertically fixed at the end of the connecting rod seat, wherein the arc-shaped insert is located in the arc-shaped light sensing groove and can move in the arc-shaped through hole and the arc-shaped light sensing groove as the connecting rod seat rotates;

[0008] A connecting rod, one end of which is rotatably connected to one end of the connecting rod seat, and the other end of which is rotatably connected to the inner side of the cabin door;

[0009] The photoelectric switch is communicatively connected with the data card controller. When the hatch is opened, the connecting rod drives the connecting rod seat to rotate on the fixed plate, so that the arc-shaped insert moves out of the arc-shaped light sensing groove, triggering the photoelectric switch. When the data card controller receives the trigger signal of the photoelectric switch, it provides early warning protection for the current operation of the data card.

[0010] According to an implementation manner of the embodiment of the present application, the connecting rod seat includes a straight section and a curved section extending toward the cabin, so that the connecting rod seat has an L-shaped appearance.

[0011] According to an implementation of the embodiment of the present application, a boss is provided on the straight section of the connecting rod seat, and the structure of the boss is adapted to the groove on the back of the data card, so as to push the data card out of the cabin as the connecting rod seat rotates.

[0012] According to an implementation manner of the embodiment of the present application, the convex column is arranged on the 1 / 3 of the straight section close to the curved section.

[0013] According to an implementation manner of the embodiment of the present application, the rotating shaft is arranged on the straight section at 1 / 3 of one side close to the arc-shaped insert piece.

[0014] According to one implementation of the embodiment of the present application, a knob is provided on the outside of the door for opening or closing the door.

[0015] The embodiment of the present invention studies the linkage design between the door opening / closing state and the photoelectric switch being turned on. The door rotation axis is used as a fixed axis, and a part that can control whether the photoelectric switch is turned on is added, thereby realizing the linkage between the door and the photoelectric switch when it is opened or closed, avoiding data disorder or loss caused by the data card being directly plugged in and out of the aviation equipment, or by misoperation. Through modeling comparison and theoretical analysis, it is confirmed that the linkage mechanism is simple in type and realizes stable and reliable linkage. The specific beneficial effects are as follows:

[0016] 1) Realize the linkage design between photoelectric switch and hatch

[0017] The hatch and the connecting rod seat are connected by a connecting rod and transmit force for opening and closing the hatch. A vertical arc-shaped plug is extended from one end of the connecting rod seat, and the arc-shaped plug cooperates with the arc-shaped light sensing groove of the photoelectric switch. When the arc-shaped plug at the end of the connecting rod seat is in the light sensing groove, the light signal in the photoelectric switch is in an off state. When the connecting rod seat rotates until the arc-shaped plug at its end is out of the arc-shaped light sensing groove, the light signal in the photoelectric switch reaches an on state.

[0018] 2) Optimize the force design when the door is closed

[0019] When the hatch is opened or closed, the connecting rod and connecting rod seat connected to the hatch are subjected to force. The connecting rod and connecting rod seat are designed to be flat L-shaped parts with a large bending angle, which can ensure that when the hatch is closed, the hatch is subjected to small force and the force transmission efficiency is high. The force on the connecting rod seat is within a reasonable range to avoid the reverse rotation of the connecting rod seat when the hatch is closed, and the arc-shaped insert at the end of the connecting rod seat enters the arc-shaped light sensing groove.

[0020] 3) The mechanism is easy to operate and reliable

[0021] The present invention uses the hatch switch as the input point, and through the design of different hatch opening angles, the photoelectric switch has completed the signal conversion before the data card inside the product is pushed, providing early warning protection for the data card to prevent the data card from recording disorder. The main parts involved in the present invention are all structural parts, and the assembly and maintenance operations are simple and easy to implement, and the functions are stable and reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0023] Figure 1 is a schematic diagram of a closed state of a cabin door of a certain aviation equipment in an embodiment of the present invention;

[0024] Figure 2 This is a schematic diagram of an open state of a cabin door of a certain aviation equipment in an embodiment of the present invention;

[0025] Figure 3 is a schematic diagram of a cabin door structure of a certain aviation equipment in an open state according to an embodiment of the present invention;

[0026] Figure 4 Schematic diagram of the cooperation between the connecting rod seat and the photoelectric switch when the hatch is closed in the embodiment of the present invention;

[0027] Figure 5 Schematic diagram of the cooperation between the connecting rod seat and the photoelectric switch when the hatch is open in the embodiment of the present invention;

[0028] Figure 6 Schematic diagram of the cooperation between the photoelectric switch and the fixing plate in the embodiment of the present invention;

[0029] Figure 7 is a schematic diagram of another state of cooperation between the photoelectric switch and the fixing plate in an embodiment of the present invention;

[0030] Figure 8is a schematic diagram of the cooperation between the data card and the connecting rod seat in an embodiment of the present invention;

[0031] Among them, 1-frame; 2-fixed plate; 3-door; 4-knob; 5-connecting rod seat; 6-connecting rod; 7-photoelectric switch; 8-data card. DETAILED DESCRIPTION

[0032] The embodiments of the present application are described in detail below with reference to the accompanying drawings.

[0033] It should be noted that, in the absence of conflict, the embodiments in this application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments, and the technical scheme of the present invention will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0034] like Figure 1-Figure 8 As shown, an embodiment of the present invention provides an aviation data card plug-in protection mechanism, comprising:

[0035] A data card installation rack 1, the data card installation rack 1 includes a cabin, the cabin is equipped with a rotating shaft door 3, and a knob 4 is arranged on the outside of the door 3 for opening or closing the door 3; a fixing plate 2 is arranged in the cabin, and the fixing plate 2 is used to place a data card 8; an arc-shaped through hole is provided on the fixing plate 2, and a photoelectric switch 7 is arranged at one end of the arc-shaped through hole, and an arc-shaped light sensing groove connected to the arc-shaped through hole is arranged on the photoelectric switch 7, such as Figure 6 and Figure 7 As shown;

[0036] A connecting rod seat 5, on which a rotating shaft is arranged, the rotating shaft rotatably connects the connecting rod seat 5 with the fixing plate 2, an arc-shaped insert is vertically fixed to the end of the connecting rod seat 5, the arc-shaped insert is located in the arc-shaped light sensing groove, and can move in the arc-shaped through hole and the arc-shaped light sensing groove as the connecting rod seat 5 rotates;

[0037] A connecting rod 6, one end of which is rotatably connected to one end of the connecting rod seat 5, and the other end of which is rotatably connected to the inner side of the hatch 3. Figure 2 and Figure 3 As shown;

[0038] The photoelectric switch 7 is communicatively connected with the data card controller. When the hatch 3 is opened, the connecting rod 6 drives the connecting rod seat 5 to rotate on the fixed plate 2, so that the arc-shaped insert moves out of the arc-shaped light sensing groove, triggering the photoelectric switch 7. When the data card controller receives the trigger signal of the photoelectric switch 7, it provides early warning protection for the current operation of the data card.

[0039] An aviation data card plug-in protection mechanism according to an embodiment of the present invention is mainly composed of a data card mounting rack 1, a fixing plate 2, a door 3, a knob 4, a connecting rod seat 5, a connecting rod 6, a photoelectric switch 7, a data card 8, etc. All parts used are based on the data card mounting rack 1. The door 3 and the knob 4 are fixed to the outside of the data card mounting rack 1, and are matched with the shaft on the data card mounting rack 1 to realize the rotation of the door 3 around the shaft. The knob 4 is installed on the door 3 and is used to manually grip and operate the door 3. The fixing plate 2 is designed to be installed inside the data card mounting rack 1. The photoelectric switch 7 and the connecting rod seat 5 are installed on the fixing plate 2. The shaft on the connecting rod seat 5 and the hole on the fixing plate 2 are matched with each other in clearance, so that the connecting rod seat 5 can rotate around the hole. One end of the connecting rod seat 5 extends a vertical arc-shaped insert, which cooperates with the light sensing slot in the middle of the photoelectric switch 7. When the arc-shaped insert at the end of the connecting rod seat 5 is in the light sensing slot of the photoelectric switch 7, the light signal in the photoelectric switch 7 is in a non-connected state. When the connecting rod seat 5 rotates until the arc-shaped insert at its end escapes from the light sensing slot of the photoelectric switch 7, the light signal in the photoelectric switch 7 reaches a connected state. The connecting rod seat 5 and the connecting rod 6 are both designed to be flat L-shaped with a large turning angle, ensuring that when the hatch 3 is closed, the force transmitted from the knob 4 to the hatch 3, the connecting rod 6, and the connecting rod seat 5 is optimal, so that the force required to close the hatch 3 is small. The other end of the connecting rod seat 5 is connected to the connecting rod 6, and the connecting rod seat 5 is connected to the cabin door 3 through the connecting rod 6. Through the opening and closing of the cabin door 3, the force and displacement are transmitted from the connecting rod 6 to the plug-in piece at the end of the connecting rod seat 5, and then the plug-in piece is moved away from the light sensing slot of the photoelectric switch 7 according to the size of the opening and closing of the cabin door 3, so as to switch the state of the photoelectric switch and realize the linkage effect between the cabin door 3 and the photoelectric switch 7.

[0040] The present invention uses the hatch switch as the input point, and through the design of different hatch opening angles, the photoelectric switch has completed the signal conversion before the data card inside the product is pushed, providing early warning protection for the data card to prevent the data card from recording disorder. The main parts involved in the present invention are all structural parts, and the assembly and maintenance operations are simple and easy to implement, and the functions are stable and reliable.

[0041] In a preferred embodiment, the connecting rod seat 5 includes a straight section and a curved section extending toward the cabin, so that the connecting rod seat 5 is L-shaped. A convex column is provided on the straight section of the connecting rod seat 5, such as Figure 4 and Figure 5As shown, the structure of the protrusion matches the groove on the back of the data card, and is used to push the data card 8 out of the cabin as the connecting rod seat 5 rotates. Figure 8 shown.

[0042] When the hatch 3 is opened, the connecting rod 6 drives the connecting rod seat 5 to rotate, and when the arc-shaped insert is released from the light sensing slot of the photoelectric switch 7, the photoelectric switch 7 is triggered, and when the data card controller receives the trigger signal of the photoelectric switch 7, it provides early warning protection for the current operation of the data card. In order to increase the opening angle of the hatch 3 from 0° to a certain set angle, such as 15°, the boss has not rotated to contact the data card, so that the data card will not be pushed out at 0°-15°, providing time for the data card controller to issue early warning protection, so that the data card controller interrupts the current operation of the data card during this time, and effectively protects the data on the data card, a preferred structure of this embodiment is that the boss is set at 1 / 3 of the straight section near the curved section. This position setting can effectively ensure that the data card will not be pushed out by the boss when the hatch opening angle is 0°-15°.

[0043] In another preferred structure of the present embodiment, the rotating shaft is arranged on the straight section at 1 / 3 of one side close to the arc-shaped insert piece, which can ensure reliable linkage between the connecting rod seat 5, the connecting rod 6 and the cabin door 3.

[0044] The aviation data card plug-in protection mechanism of the embodiment of the present application operates from the door closed state to the open state as follows:

[0045] 1) Holding knob 4, turn door 3 counterclockwise (to open the door).

[0046] 2) During the rotation of the cabin door 3, the connecting rod 6 is driven to move and the end of the connecting rod seat 5 is driven to rotate.

[0047] 3) The rotation of the end of the connecting rod seat 5 drives the rotation of the arc-shaped insert at the other end thereof.

[0048] 4) When the arc-shaped insert at the top of the connecting rod seat 5 rotates, the arc-shaped insert at the top of the connecting rod seat 5 rotates out from the light sensing groove of the photoelectric switch 7, so that the light signal of the photoelectric switch 7 is connected.

[0049] 5) The middle convex column of the connecting rod seat 5 has not yet contacted the groove of the data card 8. At this time, the signal of the photoelectric switch 7 is transmitted to the data card controller inside the product and converted into data protection.

[0050] 6) The door 3 is continued to rotate, and the middle boss of the connecting rod seat 5 cooperates with the groove on the back of the data card 8 under the linkage effect, so that the data card 8 is pushed out from the inside of the data card installation rack 1.

[0051] From the rotation of the hatch 3 to the arc-shaped insert at the end of the connecting rod seat 5 being separated from the light sensing slot of the photoelectric switch 7, and then to the connecting rod seat 5 pushing out the data card 8, a mechanical linkage is realized. The connecting rod 6 and the connecting rod seat 5 are designed as flat curved L-shaped parts, which can ensure that when the hatch 3 is closed, the hatch 3 is subjected to small force and the force transmission efficiency is high. The force on the connecting rod seat 5 is within a reasonable range to avoid the connecting rod seat 5 from rotating in the opposite direction when the hatch 3 is closed, and the arc-shaped insert at the end of the connecting rod seat 5 enters the light sensing slot of the photoelectric switch 7.

[0052] Based on the structural configuration of the linkage mechanism such as the photoelectric switch, the cabin door, and the data card, the present invention analyzes in detail the linkage relationship between the cabin door opening and closing state and the photoelectric switch connection. With the cabin door switch as the input point, the photoelectric switch has completed the signal conversion before the data card inside the product is pushed through the association design of the cabin door opening at different angles, providing early warning protection for the data card recording information and preventing the data card from recording disorder. The present invention has important significance for the control mechanism of the force when the cabin door is closed by the bending structure of the connecting rod seat and the connecting rod, etc., which meets the linkage design and function realization between the cabin door and the photoelectric switch in a certain type of aviation equipment, and the early warning protection design for the data recorded by the associated data card.

[0053] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed in the present application should be included in the protection scope of the present application. Therefore, the protection scope of the present application shall be based on the protection scope of the claims.

Claims

1. An aviation data card plug-in protection mechanism, characterized in that: include: A data card mounting rack, the data card mounting rack comprising a cabin, the cabin being equipped with a pivot-type cabin door, a fixing plate being arranged in the cabin, the fixing plate being used for placing a data card; The fixing plate is provided with an arc-shaped through hole, a photoelectric switch is arranged at one end of the arc-shaped through hole, and an arc-shaped light sensing groove connected with the arc-shaped through hole is arranged on the photoelectric switch; A connecting rod seat, wherein a rotating shaft is arranged on the connecting rod seat, wherein the rotating shaft rotatably connects the connecting rod seat with the fixing plate, and an arc-shaped insert is vertically fixed at the end of the connecting rod seat, wherein the arc-shaped insert is located in the arc-shaped light sensing groove and can move in the arc-shaped through hole and the arc-shaped light sensing groove as the connecting rod seat rotates; A connecting rod, one end of which is rotatably connected to one end of the connecting rod seat, and the other end of which is rotatably connected to the inner side of the cabin door; The photoelectric switch is in communication connection with the data card controller. When the hatch is opened, the connecting rod drives the connecting rod seat to rotate on the fixed plate, so that the arc-shaped insert piece moves out of the arc-shaped light sensing slot, triggering the photoelectric switch. When the data card controller receives the trigger signal of the photoelectric switch, it provides early warning protection for the current operation of the data card. The connecting rod seat includes a straight section and a curved section extending toward the cabin, so that the connecting rod seat has an L-shaped appearance; A convex column is arranged on the straight section of the connecting rod seat, and the structure of the convex column is adapted to the groove on the back of the data card, so as to push the data card out of the cabin as the connecting rod seat rotates; The protrusion is arranged at 1 / 3 of the straight section near the curved section, so that when the opening angle of the door is between 0° and 15°, the data card will not be pushed out by the protrusion; The rotating shaft is arranged on the straight section at 1 / 3 of one side close to the arc-shaped inserting piece.

2. The aviation data card plug-in protection mechanism according to claim 1, characterized in that: A knob is arranged on the outside of the door for opening or closing the door.

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