A connector structure for disconnecting two nodes of an onboard 1394 bus

Abstract

A connector structure for disconnecting two nodes of an onboard 1394 bus, the connector structure comprising two line connectors, a circuit module, a protective shell and a pin assembly, wherein the line connectors are embedded at both ends of the protective shell, the circuit module is arranged in the middle of the protective shell, one end of the line connector is a plug-in end, the other end of the line connector is connected to the circuit module via a connecting line, a solid-state circuit line and a line connection hole for connecting the left and right buses are arranged on the circuit module, the line connection hole matches the pin assembly, the pin assembly is a bridge structure, a pin assembly through hole corresponding to the line connection hole is arranged on the protective shell, both ends of the pin assembly are plugged into the line connection hole via the pin through hole, and the pin assembly connects the solid-state circuit lines of the left and right buses on the circuit module.

Description

Technical Field

[0001] The patent of the present invention belongs to the technical field of aircraft airborne 1394 bus test, and specifically is a connector structure for disconnecting two nodes of an airborne 1394 bus. Background Art

[0002] The onboard 1394 bus is a communication bus with a tree topology. The nodes in the bus are connected in series in the bus network according to the hierarchical affiliation. Each branch node participates in the relay and processing of communication data. That is, the lower-level network establishes links and relays data through the communication nodes in the upper-level network. If the communication node responsible for relaying fails, the communication of the next-level network will be affected. In this case, if there is no bypass backup, the next-level network will lose data connection with the entire network. Summary of the invention

[0003] In order to connect the upstream and downstream nodes of the onboard 1394 bus with a communication failure, the present application provides a connector structure for disconnecting two nodes of the onboard 1394 bus. Without destroying the original aircraft bus line and without adding airborne equipment (bus nodes), data communication between the upstream and downstream nodes at the fault location and normal data interaction between other nodes in the bus network are achieved, providing an effective tool and means for restoring communication and testing the 1394 bus network with node failure on the aircraft.

[0004] A connector structure for disconnecting two nodes of an onboard 1394 bus, characterized in that the connector structure contains two line connectors, a circuit module, a protective shell and a connecting pin, wherein the line connectors are embedded in the two ends of the protective shell, and the two ends of the protective shell have threaded interfaces, which match the line connectors of the two nodes of the 1394 bus, the circuit module is arranged in the middle of the protective shell, one end of the line connector is a plug-in end, and the other end of the line connector is connected to the circuit module through a connecting line, and a solid-state circuit line and a line connection hole connecting the left and right buses are provided on the circuit module, and the line connection hole matches the pin, and the pin is a bridge structure, and a pin through hole corresponding to the line connection hole is provided on the protective shell, and the two ends of the pin are plugged into the line connection hole through the pin through hole, and the pin connects the solid-state circuit lines of the left and right buses on the circuit module.

[0005] One end of the line connector is a plug-in end, which contains four protruding plug-in posts, which are embedded in the threaded interfaces at both ends of the protective shell, and the other end of the line connector is a connecting wire, which connects the plug-in posts to the circuit module.

[0006] The circuit module is arranged in the middle of the protective shell, a left line connection seat is provided at the left end of the circuit module, a right line connection seat is provided at the right end of the circuit module, a left line connection hole and a right line connection hole are provided in the middle of the circuit module, a solid-state circuit line connection is provided between the left line connection hole and the left line connection seat, and a solid-state circuit line connection is also provided between the right line connection hole and the right line connection seat.

[0007] The circuit module is provided with four left-side line connection holes, which are divided into two connection ends A and C; the circuit module is provided with six right-side line connection holes, which are divided into three connection ends B, D, and B; the pins are composed of four bridge pins, each of which has four independent pin ends; ten pin through holes are correspondingly arranged on the shell, and the AB and CD connection ends can be connected, or the AD and CB connection ends can be connected, through the pins.

[0008] An openable cover is arranged in the middle of the shell, a circuit module is arranged below the cover, and a pin passing hole is arranged on the cover.

[0009] The beneficial effect of the present application is that the provided airborne 1394 bus two-node disconnection device physically connects the bus receiving and transmitting lines of the upstream and downstream adjacent communication nodes of the access position according to a corresponding relationship, thereby realizing normal data communication between the upstream and downstream nodes, and providing a low-cost solution for reconstructing the communication link of the airborne 1394 bus network when a node is missing.

[0010] The present application is further described in detail below in conjunction with the accompanying drawings of the embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 The figure is a schematic diagram of the connection relationship of the connector structure for disconnecting two nodes of the onboard 1394 bus.

[0012] Figure 2 This is a schematic diagram of the connector structure cover open state in which two nodes of the onboard 1394 bus are disconnected.

[0013] Figure 3 It is a schematic diagram of the circuit module structure.

[0014] Figure 4 It is a schematic diagram of the pin assembly structure.

[0015] Figure 5 A schematic diagram of the connection relationship of circuit modules.

[0016] Figure 6 This is a second schematic diagram of the circuit module connection relationship.

[0017] Explanation of numbers in the figure: 1. 1394 bus cable on the left; 2. 1394 bus plug on the left; 3. Line connector on the left; 4. Protective shell; 5. Pin assembly; 6. Cover; 7. Circuit module; 8. 1394 bus plug on the right; 9. Line connector on the right; 10. 1394 bus cable on the right; 11. Pin through hole; 12. Line connection socket on the left; 13. Circuit module fixing hole; 14. Solid-state circuit line; 15. Line connection hole; 16. Line connection socket on the right; 17. Pin assembly handle; 18. Pin terminal. DETAILED DESCRIPTION

[0018] Referring to the attached drawings, the connector structure for disconnecting two nodes of the airborne 1394 bus of the present application comprises two line connectors, a left line connector 3 and a right line connector 9, a circuit module 7, a protective housing 4 and a pin assembly 5. The left line connector 3 and the right line connector 9 are embedded at both ends of the protective housing 4. Both ends of the protective housing 4 have threaded interfaces, which match the line connectors of the two nodes of the 1394 bus. The circuit module 7 is arranged in the middle of the protective housing 4. The plug-in end of the left line connector 3 is connected to the left 1394 bus cable 1 through the left 1394 bus plug 2; the plug-in end of the right line connector 9 is connected to the right 1394 bus cable 10 through the right 1394 bus plug 8. The other ends of the two line connectors are connected to the circuit module 7 through connecting wires. The circuit module 7 is provided with a solid-state circuit line 14 and a line connection hole 15 connecting the left and right buses. The line connection hole 15 matches the pin assembly. The pin assembly 5 is a bridge structure. A pin through hole 11 corresponding to the line connection hole 15 is provided on the protective shell 4. Both ends of the pin assembly are plugged into the line connection hole 15 through the pin through hole 11. The pins connect the solid-state circuit lines 14 of the left and right buses on the circuit module 7.

[0019] One end of the line connector in the embodiment is a plug-in end, which contains four protruding plug-in posts, which are embedded in the threaded interfaces at both ends of the protective shell, and the other end of the line connector is a connecting wire, which connects the plug-in posts to the circuit module.

[0020] The circuit module 7 is arranged in the middle of the protective shell 4, and a left-side circuit connection seat 12 is provided at the left end of the circuit module 7, and a right-side circuit connection seat 16 is provided at the right end of the circuit module 7. Left and right-side circuit connection holes 15 are provided in the middle of the circuit module, and a solid-state circuit line 14 is connected between the left-side circuit connection hole and the left-side circuit connection seat, and a solid-state circuit line 14 is also connected between the right-side circuit connection hole and the right-side circuit connection seat.

[0021] The circuit module 7 is provided with four left-side line connection holes, which are divided into two connection ends A and C. The circuit module 7 is provided with six right-side line connection holes, which are divided into three connection ends B, D, and B. The pin assembly 5 is composed of four bridge pins, and each end of the pin has four independent pin ends. Five pin through holes 11 are correspondingly provided on the housing, and one pin through hole corresponds to one connection end. The AB and CD connection ends can be connected through the pin assembly. Figure 5 As shown; or connect the AD and CB terminals, as shown Figure 6 shown.

[0022] When in use, the electrical connectors and their internal plug posts that match the onboard 1394 bus plugs 2 and 8 are used as the left line connector 3 and the right line connector 9 of the device. The installation position of the plug posts in the line connectors is consistent with the position of the contact pieces in the replaced 1394 bus nodes and can be respectively connected to the left 1394 bus cable 1 and the right 1394 bus cable 10 on the machine. The two line connectors are connected to the protective housing 4 through a threaded interface. A cover 6 is provided at the middle position of the upper part of the protective housing 4. Five pin through holes 11 are distributed on the cover 6. The apertures thereof match the pin ends 18 of the pin assembly 5. Through the pin through holes 11, the pin ends 18 at both ends of the pin assembly 5 can be respectively inserted into the line connection holes 15 on the circuit module 7 to connect the left and right solid-state circuit lines 14 on the circuit module 7. There is a line connection socket (left line connection socket 12 and right line connection socket 16) at both ends of the circuit module 7, one end of which is connected to the bus cables at the left and right ends of the circuit module 7, and the other end is connected to the solid-state circuit line 14 in the circuit module 7, and the other end of the solid-state circuit line 14 is respectively connected to the line connection hole 15. There are four circuit module fixing holes 13 distributed around the circuit module 7, which are used to fix the circuit module 7 in the cavity of the protective shell 4.

[0023] After a two-port communication node of the aircraft 1394 network fails, the bus connector plugs of the upper and lower communication nodes connected to the failed node are removed from the failed node and connected to the two line connectors of this device respectively; circuit module connection relationship one or circuit module connection relationship two is selected according to the bus wiring relationship of the upper and lower nodes, and the disconnection operation is completed.

[0024] Through the above operations, the structure can be used to replace the failed 1394 communication node, realize the direct connection and link reconstruction of the upper and lower node communication lines, and then realize the normal communication of data between other nodes in the bus network.

Claims

1. A connector structure for disconnecting two nodes of an onboard 1394 bus, characterized in that: The joint structure includes two line connectors, a circuit module, a protective shell and a pin assembly. The line connectors are embedded in the two ends of the protective shell. The two ends of the protective shell have threaded interfaces, which match the line connectors of the two nodes of the 1394 bus. The circuit module is arranged in the middle of the protective shell. One end of the line connector is a plug-in end, which contains four protruding plug-in columns, which are embedded in the threaded interfaces at the two ends of the protective shell. The other end of the line connector is connected to the circuit module through a connecting line, which connects the plug-in column to the circuit module. The circuit module is provided with a solid-state circuit line and a line connection hole connecting the left and right buses. The line connection hole matches the pin assembly. The pin assembly is a bridge structure. A pin assembly through hole corresponding to the line connection hole is provided on the protective shell. The two ends of the pin assembly are plugged into the line connection hole through the pin through hole. The pin assembly connects the solid-state circuit lines of the left and right buses on the circuit module.

2. The airborne 1394 bus two-node disconnection connector structure as claimed in claim 1, characterized in that: The circuit module is arranged in the middle of the protective shell, a left line connection seat is provided at the left end of the circuit module, a right line connection seat is provided at the right end of the circuit module, a left line connection hole and a right line connection hole are provided in the middle of the circuit module, a solid-state circuit line connection is provided between the left line connection hole and the left line connection seat, and a solid-state circuit line connection is also provided between the right line connection hole and the right line connection seat.

3. The connector structure for disconnecting two nodes of an onboard 1394 bus as claimed in claim 1 or 2, characterized in that: The circuit module is provided with four left-side line connection holes, which are divided into two connection ends A and C; the circuit module is provided with six right-side line connection holes, which are divided into three connection ends B, D, and B; the pin assembly is composed of two bridge pins, and the two ends of the pin assembly have two independent pin ends respectively. Five pin through holes are correspondingly arranged on the shell, and the AB and CD connection ends can be connected, or the AD and CB connection ends can be connected, through the two pin assemblies.

4. The airborne 1394 bus two-node disconnection connector structure as claimed in claim 3, characterized in that: An openable cover is arranged in the middle of the shell, a circuit module is arranged below the cover, and a pin passing hole is arranged on the cover.

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