Reserved expansion electrical interface device suitable for astronaut outboard installation operation

Abstract

The invention discloses a reserved expansion electrical interface device suitable for astronaut outboard installation operation. The reserved expansion electrical interface device comprises a socket box, a protection frame and a cable socket. The cable socket is installed on the upper surface of the socket box. The protection frame is installed on the socket box to form a closed space, so that packaging of the cable socket is realized, space protection is performed on the cable socket, and space redundancy is prevented from entering the cable socket. According to the reserved expansion electrical interface device, the fixing difficulty, the space protection difficulty and the on-orbit connection difficulty of a reserved cable vacant socket are solved, the on-orbit smooth connection of the outboard expansion equipment and the reserved cable is realized, and the requirement of the on-orbit reserved outboard expansion cable is met.

Description

Technical Field

[0001] The invention belongs to the technical field of on-orbit expansion equipment for spacecraft, and in particular relates to a reserved expansion electrical interface device suitable for installation and operation outside an astronaut's cabin. Background Art

[0002] With the development of aerospace technology, many space exploration missions have put forward the requirement of on-orbit expansion equipment for aircraft. On-orbit expansion equipment involves the problem of electrical interface connection between expansion equipment and original equipment, and it is necessary to reserve electrical interfaces when the spacecraft is launched. For electrical interfaces reserved outside the cabin, due to the constraints of limited space outside the cabin, complex operations outside the cabin, and harsh space environment, they often face difficulties in fixing the reserved electrical interfaces, protecting the electrical interfaces in space, and connecting the electrical interfaces on orbit. Therefore, it is necessary to design a reserved expansion electrical interface device suitable for astronauts' extravehicular installation and operation, which is convenient for astronauts to connect the expansion equipment with the reserved electrical interface under the premise of meeting the on-orbit reservation.

[0003] Existing electrical interface devices cannot meet the requirements for on-orbit reserved electrical interfaces in terms of installation methods, adaptability to space environments, and maintainability. Summary of the invention

[0004] The technical problem solved by the present invention is: to overcome the shortcomings of the prior art and provide a reserved extension electrical interface device suitable for astronauts' extravehicular installation and operation, aiming to solve the difficulties in fixing the vacant sockets of the reserved cables, the difficulties in space protection, and the difficulties in on-orbit connection, so as to realize the smooth on-orbit connection of the extravehicular extension equipment with the reserved cables, and meet the demand for on-orbit reserved extravehicular extension cables.

[0005] In order to solve the above technical problems, the present invention discloses a reserved extended electrical interface device suitable for astronauts' extravehicular installation operations, comprising: a socket box, a protective frame and a cable socket;

[0006] The cable socket is mounted on the upper surface of the socket box;

[0007] The protection frame is installed on the socket box to form a closed space, thereby realizing the encapsulation of the cable socket, providing spatial protection for the cable socket, and preventing unnecessary objects in the space from entering the cable socket.

[0008] In the above-mentioned reserved extended electrical interface device suitable for astronaut extravehicular installation operations, the socket box includes: a socket box base, a socket box cover A and a socket box cover B; wherein the socket box cover A and the socket box cover B are respectively installed in two grooves on the front and rear sides of the upper surface of the socket box base, and are connected to the socket box base by screws.

[0009] In the above-mentioned reserved extended electrical interface device suitable for astronauts' extravehicular installation operations, semicircular through holes are provided on the socket box base, the socket box cover A and the socket box cover B; wherein the semicircular through hole located on the front side of the socket box base cooperates with the semicircular through hole on the socket box cover A to form a circular through hole A for installing a cable socket; the semicircular through hole located on the rear side of the socket box base cooperates with the semicircular through hole on the socket box cover B to form a circular through hole B for installing a cable socket.

[0010] In the above-mentioned reserved extended electrical interface device suitable for astronaut extravehicular installation operations, two cable socket mounting threaded holes are provided around each semicircular through hole on the socket box base, socket box cover A and socket box cover B for installing and fixing the cable socket.

[0011] In the above-mentioned reserved extended electrical interface device suitable for astronaut extravehicular installation operations, two through holes are provided on the left and right sides of the socket box base for fixing to the spacecraft bracket by screws.

[0012] In the above-mentioned reserved extended electrical interface device suitable for astronaut extravehicular installation operations, two protective frame mounting threaded holes are respectively provided on the left and right sides of the socket box base for fixing to the protective frame by screws.

[0013] In the above-mentioned reserved extended electrical interface device suitable for astronauts' extravehicular installation operations, a positioning pin is provided on each of the left and right sides of the socket box base for positioning when installing other equipment in orbit.

[0014] In the above-mentioned reserved extended electrical interface device suitable for astronaut extravehicular installation operations, a cable binding rod is arranged under the socket box base for binding the extended cable reserved in orbit; the cable binding rod and the socket box base are an integrated structure.

[0015] In the above-mentioned reserved extended electrical interface device suitable for astronaut extravehicular installation operations, the protective frame includes: a protective frame body and a protective layer; wherein the protective layer is applied on five surfaces of the outer side of the protective frame body except the bottom surface.

[0016] In the above-mentioned reserved extended electrical interface device suitable for astronauts' extravehicular installation operations, two anti-floating screws are installed on the left and right sides of the protective frame body, which are used to cooperate with the two protective frame mounting threaded holes on the left and right sides of the socket box base to achieve the installation and fixation of the protective frame and the socket box.

[0017] The present invention has the following advantages:

[0018] (1) The present invention discloses a reserved extension electrical interface device suitable for astronauts' extravehicular installation and operation, which solves the difficulties of fixing the vacant socket of the reserved cable, protecting it in space, and connecting it on orbit, and realizes the smooth on-orbit connection of the extravehicular extension equipment with the reserved cable, thus meeting the demand for on-orbit reserved extravehicular extension cables.

[0019] (2) The present invention discloses a reserved extended electrical interface device suitable for astronauts' extravehicular installation and operation. The split design of the socket box and the integrated wire binding rod design are used to realize the binding of reserved cables and the fixation of cable sockets. A protective frame is arranged on the socket box to realize spatial protection of the cable sockets. Anti-floating screws are provided to realize the rapid removal of the protective frame on track, so that the extravehicular extended equipment can be smoothly connected to the cable socket on track. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is an overall schematic diagram of a reserved extended electrical interface device suitable for astronaut extravehicular installation and operation in an embodiment of the present invention;

[0021] Figure 2 This is a schematic diagram of the installation of a reserved extended electrical interface device suitable for extravehicular installation and operation of astronauts in an embodiment of the present invention;

[0022] Figure 3 is a schematic structural diagram of a socket box in an embodiment of the present invention;

[0023] Figure 4 It is a structural schematic diagram of a socket box base in an embodiment of the present invention;

[0024] Figure 5 It is a structural schematic diagram of a socket box cover plate in an embodiment of the present invention;

[0025] Figure 6 is a schematic structural diagram of a protective frame in an embodiment of the present invention;

[0026] Figure 7 It is a structural schematic diagram of a protective frame body in an embodiment of the present invention. DETAILED DESCRIPTION

[0027] In order to make the objectives, technical solutions and advantages of the present invention more clear, the embodiments disclosed in the present invention will be further described in detail below with reference to the accompanying drawings.

[0028] Reference Figures 1-2In this embodiment, the reserved extended electrical interface device suitable for astronauts' extravehicular installation operation includes: a socket box 1, a protective frame 2 and a cable socket 3. The cable socket 3 is installed on the upper surface of the socket box 1; the protective frame 2 is installed on the socket box 1 to form a closed space, realize the encapsulation of the cable socket 3, and perform space protection on the cable socket 3 to prevent the redundant objects in the space from entering the cable socket 3.

[0029] In this embodiment, if Figures 3 to 5 As shown, the socket box 1 mainly comprises: a socket box base 4, a socket box cover A51 and a socket box cover B52. The socket box cover A51 and the socket box cover B52 are respectively installed in two grooves on the front and rear sides of the upper surface of the socket box base 4, and connected to the socket box base 4 by screws.

[0030] Preferably, the socket box base 4, the socket box cover A51 and the socket box cover B52 are all provided with semicircular through holes. Among them, the semicircular through hole located on the front side of the socket box base 4 cooperates with the semicircular through hole on the socket box cover A51 to form a circular through hole A, which is used to install the cable socket 3; the semicircular through hole located on the rear side of the socket box base 4 cooperates with the semicircular through hole on the socket box cover B52 to form a circular through hole B, which is used to install the cable socket 3. Further, two cable socket installation threaded holes are provided around each semicircular through hole on the socket box base 4, the socket box cover A51 and the socket box cover B52, which are used to install and fix the cable socket 3. It should be noted that the number of semicircular through holes on the socket box base 4 = the number of semicircular through holes on the socket box cover A51 + the number of semicircular through holes on the socket box cover B52 = the number of cable sockets 3. The number of cable sockets 3 can be set according to actual conditions, and the embodiment of the present invention does not limit this. For example, the number of cable sockets 3 can be 7, of which 4 cable sockets are installed on the front side of the upper surface of the socket box 1 through the socket box base 4 and the socket box cover A51, and the other 3 cable sockets are installed on the rear side of the upper surface of the socket box 1 through the socket box base 4 and the socket box cover B52.

[0031] Preferably, two through holes are respectively provided on the left and right sides of the socket box base 4 for fixing with the spacecraft bracket by screws. That is, the reserved extended electrical interface device can be fixed on the spacecraft bracket through the socket box base 4.

[0032] Preferably, two protective frame mounting threaded holes are respectively provided on the left and right sides of the socket box base 4 for fixing to the protective frame 2 by screws.

[0033] Preferably, a positioning pin 9 is provided on each of the left and right sides of the socket box base 4 for positioning when other equipment is installed on the rail.

[0034] Preferably, a cable tie rod 10 is provided below the socket box base 4 for tying the extension cable reserved on the track. The cable tie rod 10 and the socket box base 4 are an integrated structure.

[0035] In this embodiment, if Figures 6-7 As shown, the protection frame 2 mainly includes: a protection frame body 6 and a protection layer 7. The protection layer 7 is applied on five surfaces of the outer side of the protection frame body 6 except the bottom surface.

[0036] Preferably, the protective layer 7 is a multi-layer heat-insulating material, which can isolate high temperature and protect atomic oxygen, thereby protecting the cable socket 3. The protective layer 7 can be connected to the protective frame body 6 by screws or Velcro.

[0037] Preferably, two anti-floating screws 8 are installed on the left and right sides of the protective frame body 6, respectively, for cooperating with the two protective frame mounting threaded holes on the left and right sides of the socket box base 4 to achieve the installation and fixation of the protective frame 2 and the socket box 1. Further, the protective frame 2 can be removed from the socket box 1 by the astronauts on the track. When removing the protective frame 2, the anti-floating screws 8 are screwed out of the protective frame mounting threaded holes, and the anti-floating screws 8 themselves will not be detached from the protective frame body 6. Further, after the protective frame 2 is removed from the socket box 1, the astronauts can connect the cable plug of the expansion device to the cable socket 3 through special tools.

[0038] Although the present invention has been disclosed as above in the form of a preferred embodiment, it is not intended to limit the present invention. Any person skilled in the art may make possible changes and modifications to the technical solution of the present invention by using the methods and technical contents disclosed above without departing from the spirit and scope of the present invention. Therefore, any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention shall fall within the protection scope of the technical solution of the present invention.

[0039] The contents not described in detail in the specification of the present invention belong to the common knowledge of the professionals in this field.

Claims

1. A reserved extended electrical interface device suitable for astronaut extravehicular installation operations, characterized in that: include: Socket box (1), protection frame (2) and cable socket (3); The cable socket (3) is mounted on the upper surface of the socket box (1); The protection frame (2) is installed on the socket box (1) to form a closed space, thereby encapsulating the cable socket (3) and providing spatial protection for the cable socket (3) to prevent unnecessary objects in the space from entering the cable socket (3).

2. The reserved extended electrical interface device suitable for astronaut extravehicular installation operation according to claim 1, characterized in that: A socket box (1) comprises: a socket box base (4), a socket box cover plate A (51) and a socket box cover plate B (52); wherein the socket box cover plate A (51) and the socket box cover plate B (52) are respectively mounted in two grooves on the front and rear sides of the upper surface of the socket box base (4), and are connected to the socket box base (4) by screws.

3. The reserved extended electrical interface device suitable for astronaut extravehicular installation operation according to claim 2, characterized in that: The socket box base (4), the socket box cover A (51) and the socket box cover B (52) are all provided with semicircular through holes; wherein the semicircular through hole located at the front side of the socket box base (4) cooperates with the semicircular through hole on the socket box cover A (51) to form a circular through hole A for mounting a cable socket (3); and the semicircular through hole located at the rear side of the socket box base (4) cooperates with the semicircular through hole on the socket box cover B (52) to form a circular through hole B for mounting a cable socket (3).

4. The reserved extended electrical interface device suitable for astronaut extravehicular installation operation according to claim 2, characterized in that: Two cable socket mounting threaded holes are arranged around each semicircular through hole on the socket box base (4), the socket box cover plate A (51) and the socket box cover plate B (52) for mounting and fixing the cable socket (3).

5. The reserved extended electrical interface device suitable for astronaut extravehicular installation operation according to claim 2, characterized in that: Two through holes are respectively arranged on the left and right sides of the socket box base (4) for fixing to the spacecraft bracket by screws.

6. The reserved extended electrical interface device suitable for astronaut extravehicular installation operation according to claim 2, characterized in that: Two protective frame mounting threaded holes are respectively arranged on the left and right sides of the socket box base (4) for fixing the protective frame (2) with screws.

7. The reserved extended electrical interface device suitable for astronaut extravehicular installation operation according to claim 2, characterized in that: A positioning pin (9) is respectively arranged on the left and right sides of the socket box base (4) for positioning when other equipment is installed on the rail.

8. The reserved extended electrical interface device suitable for astronaut extravehicular installation operation according to claim 2, characterized in that: A cable binding rod (10) is arranged below the socket box base (4) and is used for binding the extension cable reserved on the track; the cable binding rod (10) and the socket box base (4) are an integrated structure.

9. The reserved extended electrical interface device suitable for astronaut extravehicular installation operation according to claim 6, characterized in that: The protection frame (2) comprises: a protection frame body (6) and a protection layer (7); wherein the protection layer (7) is provided on five surfaces of the outer side of the protection frame body (6) except the bottom surface.

10. The reserved extended electrical interface device suitable for astronaut extravehicular installation operation according to claim 6, characterized in that: Two anti-floating screws (8) are respectively installed on the left and right sides of the protection frame body (6) for cooperating with two protection frame installation threaded holes on the left and right sides of the socket box base (4) to achieve installation and fixation of the protection frame (2) and the socket box (1).

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