Search

CN-122018650-A - Triple redundant star computer based on D2000 and FPGA

CN122018650ACN 122018650 ACN122018650 ACN 122018650ACN-122018650-A

Abstract

The invention relates to the technical field of computers, in particular to a triple-redundancy star computer based on D2000 and FPGA, which comprises a case, wherein a plurality of first memory banks are inserted in the case, a protective cover is fixedly arranged on the inner wall of one side of the case facing the first memory banks, a rotating seat is arranged in the protective cover in a rotating way, two pulling and inserting mechanisms are arranged on the rotating seat in a symmetrical structure in a rotating way, limit release mechanisms are fixedly connected at two ends of the pulling and inserting mechanisms, a memory bank maintenance mechanism is arranged on a fixing frame in a sliding fit way, the second memory banks are clamped on one pulling and inserting mechanism, and by arranging the pulling and inserting mechanism and the limit release mechanism, when the first memory banks in the case fail, the maintenance can be automatically detached, and when the first memory banks cannot be continuously used, the standby second memory banks and the failed first memory banks can be replaced, so that the on-orbit maintainability of the star computer is remarkably improved, the on-orbit maintainability of the star computer can be stably operated for a long time, and the task life is prolonged.

Inventors

  • LIU ZHONGWEI
  • LI TINGTING
  • WANG LEI
  • JIANG TONGQUAN

Assignees

  • 山东华宇航天空间技术有限公司

Dates

Publication Date
20260512
Application Date
20260123

Claims (9)

  1. 1. The triple redundant star computer based on the D2000 and the FPGA comprises a case (1) and is characterized in that a plurality of first memory banks (2) are inserted in the case (1), a protection cover (3) is fixedly arranged on the inner wall of one side of the case (1) facing the first memory banks (2), a rotating seat (4) is rotatably connected and arranged in the protection cover (3), two pulling and inserting mechanisms (5) are rotatably connected and arranged on the rotating seat (4) in a symmetrical structure, limit release mechanisms (6) are fixedly connected and arranged at two ends of the pulling and inserting mechanisms (5), two fixing frames (7) are fixedly connected and arranged on the rotating seat (4) in a symmetrical structure, a memory bank maintenance mechanism (8) is arranged on the fixing frames (7) in a sliding fit mode, and a second memory bank (9) is clamped on one pulling and inserting mechanism (5).
  2. 2. The triple redundant star computer based on D2000 and FPGA of claim 1, wherein a working port (301) is formed in one side of the protective cover (3), a guide rod (302) is fixedly connected to the bottom end of the protective cover (3), the guide rod (302) is arranged in a sliding fit with the inner wall of the case (1), an air cylinder (303) is fixedly connected to the bottom end of the guide rod (302), and one end of the air cylinder (303) is fixedly connected with the inner wall of the case (1).
  3. 3. The triple redundant star computer based on D2000 and FPGA according to claim 1, wherein the first motor (401) is fixedly connected with the inner wall of the rotating base (4), and the first motor (401) is fixedly connected with the inner wall of the protective cover (3).
  4. 4. The triple redundant star computer based on D2000 and FPGA, according to claim 1, wherein the plug mechanism (5) comprises an adapter frame (501), two connecting rod groups (502) are rotatably connected to one side of the adapter frame (501) in a central symmetry structure, the other ends of the connecting rod groups (502) are rotatably connected with a rotating seat (4), one end, connected with the rotating seat (4), of one connecting rod group (502) is fixedly connected with a motor II (503), and the motor II (503) is fixedly connected with the rotating seat (4).
  5. 5. The triple redundant star computer based on D2000 and FPGA, as set forth in claim 4, wherein the other side of the adapter frame (501) is provided with a slot (504), the inner wall of the slot (504) is movably inserted into the outer wall of the first memory bank (2), one side of the adapter frame (501) provided with the slot (504) is provided with two clamping plates (505) in a symmetrical structure, two ends of one side of the clamping plates (505) are slidably matched with the inner wall of the adapter frame (501), two ends of the clamping plates (505) slidably matched with the adapter frame (501) are fixedly connected with an electric push rod (506), the other end of the electric push rod (506) is fixedly connected with the inner wall of the adapter frame (501), and one side of the clamping plates (505) is movably contacted with the outer wall of the first memory bank (2).
  6. 6. The triple redundant star computer based on D2000 and FPGA of claim 5, wherein the limit release mechanism (6) comprises a second electric push rod (601), one end of the second electric push rod (601) is fixedly connected with the adapter frame (501), an output end of the second electric push rod (601) is rotatably connected and provided with a push rod (602), the push rod (602) is movably contacted with buckles on two sides of the first memory bank (2), one end of the push rod (602) is fixedly connected and provided with an adjusting wheel (603), one side of the adjusting wheel (603) is provided with an adjusting rack (604) in a meshed transmission manner, and the adjusting rack (604) is fixedly connected with the adapter frame (501).
  7. 7. The triple redundant star computer based on the D2000 and the FPGA, which is disclosed in claim 1, is characterized in that a screw rod (701) is arranged on the fixing frame (7) in a penetrating and rotating manner, a motor III (702) is fixedly connected at one end of the screw rod (701), the motor III (702) is fixedly connected with the fixing frame (7), and a transmission rack (703) is fixedly connected at one end, close to the motor III (702), of the fixing frame (7).
  8. 8. The triple redundant star computer based on D2000 and FPGA of claim 7, wherein the memory bank maintenance mechanism (8) comprises a movable seat (801), one end of the movable seat (801) is in sliding contact with a fixed frame (7), the middle part of the movable seat (801) is in threaded connection with a screw rod (701), a liquid storage tank (802) is fixedly connected to one side of the movable seat (801), a worm (803) is rotatably connected to the movable seat (801), a driving wheel (804) is fixedly connected to one end of the worm (803), and the driving wheel (804) is in meshed transmission with a driving rack (703).
  9. 9. The triple redundant star computer based on D2000 and FPGA, according to claim 8, wherein a wiping frame (805) is arranged above the moving seat (801), a worm wheel (806) is fixedly connected to one side of the bottom end of the wiping frame (805), the worm wheel (806) is in meshed transmission with a worm (803), the upper end of the wiping frame (805) is in a U-shaped structure, a sponge block is fixedly connected to the inner wall of the upper end of the wiping frame (805), the sponge block is in friction contact with a pin of a first memory bank (2), a catheter (807) is fixedly connected to the inner wall of the wiping frame (805) in a penetrating manner, the bottom end of the catheter (807) is rotatably connected with the moving seat (801), a piston (808) is fixedly connected to the inner wall of the bottom end of the catheter (807) in a penetrating manner, a spring (809) is fixedly connected between the inner end of the piston (808) and the inner wall of the catheter (807), and the input end of the catheter (807) is communicated with the inner wall of a hose (802).

Description

Triple redundant star computer based on D2000 and FPGA Technical Field The invention relates to the technical field of computers, in particular to a triple redundant star computer based on D2000 and FPGA. Background The triple redundant star computer based on the D2000 processor and the FPGA is used for constructing a spacecraft core control system with high reliability, strong calculation force and low delay through hardware-level redundancy design, flexible configuration of the FPGA and fusion of localization technology, and is suitable for scenes with severe requirements on safety and instantaneity, such as satellites, space stations and the like. The existing triple-redundancy star computer has the defects that the memory strips in the chassis of the existing triple-redundancy star computer can be faulty in the use process, and at the moment, the chassis in the prior art is inconvenient to automatically disassemble and maintain the faulty memory strips or replace the faulty memory strips, once the memory has permanent faults, the channel is completely scrapped, the residual channels are required to bear all operation loads, so that the power redundancy is reduced, and the aging of the residual memory is accelerated. The satellite can not prolong the service life by replacing spare parts in orbit, and can only finish tasks in advance or perform degraded operation, so that the input-output ratio of the satellite is greatly reduced. In summary, in the prior art, a technology for automatically disassembling, maintaining and replacing a memory bank of a triple redundant star computer by using faults is lacking. Disclosure of Invention The invention aims to solve the defects in the background technology, and provides a triple redundant star computer based on D2000 and FPGA. In order to achieve the purpose, the technical scheme includes that the triple redundant star computer based on the D2000 and the FPGA comprises a case, a plurality of first memory banks are inserted into the case, a protective cover is fixedly arranged on the inner wall of one side of the case facing the first memory banks, rotating seats are rotatably connected and arranged on the protective cover, two pulling and inserting mechanisms are rotatably connected and arranged on the rotating seats in a symmetrical structure, limit release mechanisms are fixedly connected and arranged at two ends of the pulling and inserting mechanisms, two fixing frames are fixedly connected and arranged on the rotating seats in a symmetrical structure, a memory bank maintenance mechanism is arranged on the fixing frames in a sliding fit mode, and a second memory bank is clamped on one pulling and inserting mechanism. Preferably, the working opening has been seted up to protection casing one side, protection casing bottom fixed connection is provided with the guide bar, guide bar and quick-witted case inner wall sliding fit set up, guide bar bottom fixed connection is provided with the cylinder, cylinder one end and quick-witted case inner wall fixed connection set up. Preferably, the first motor is fixedly connected with the inner wall of the rotating seat, and the first motor is fixedly connected with the inner wall of the protective cover. Preferably, the plug-pull mechanism comprises an adapter frame, two connecting rod groups are arranged on one side of the adapter frame in a rotationally connected mode in a central symmetry structure, the other ends of the connecting rod groups are rotationally connected with a rotating seat, one connecting rod group is fixedly connected with a motor II at one end, connected with the rotating seat, of the connecting rod groups, and the motor II is fixedly connected with the rotating seat. Preferably, the slot has been seted up to adapter frame opposite side, slot inner wall and an outer wall activity grafting setting of memory stick, adapter frame has been seted up slot one side and is symmetrical structure and be provided with two splint, splint one side both ends and adapter frame inner wall sliding fit setting, equal fixed connection is provided with electric putter one on splint and adapter frame sliding fit's both ends, electric putter one other end and an adapter frame inner wall fixed connection setting, splint one side and an outer wall movable contact setting of memory stick. Preferably, the limit release mechanism comprises an electric push rod II, one end of the electric push rod II is fixedly connected with the adapter frame, a push rod is rotatably connected with the output end of the electric push rod II, the push rod is movably contacted with the buckles on two sides of the memory strip I, one end of the push rod is fixedly connected with an adjusting wheel, one side of the adjusting wheel is meshed and driven to be provided with an adjusting rack, and the adjusting rack is fixedly connected with the adapter frame. Preferably, the fixing frame is provided with a screw rod in a penetrating and rotating man