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CN-224205464-U - Expansion structure of VPX backboard

CN224205464UCN 224205464 UCN224205464 UCN 224205464UCN-224205464-U

Abstract

The utility model relates to the technical field of VPX and discloses an expansion structure of a VPX backboard, which comprises a backboard main body, wherein a radiating fin is arranged at the front end of the backboard main body, a radiating fan is arranged at the front end of the backboard main body, a sliding groove is arranged up and down at the front end of the backboard main body, a protective cover plate is inserted into the sliding groove, a magnetic attraction block is arranged at the inner side of the front end of the protective cover plate, a rear limit stop bar is arranged at the outer side of the protective cover plate, and side metal blocks are arranged at two sides of the sliding groove. According to the utility model, the expansion heat dissipation structure is arranged, so that a large amount of heat can be generated when the VPX is used, two groups of protective cover plates slide in the sliding groove at the front end of the backboard main body during operation, the magnetic attraction blocks on the protective cover plates are in magnetic contact with the side metal blocks at two sides of the sliding groove, and then the heat dissipation fins and the heat dissipation fans at the front end of the backboard main body are exposed, so that the heat generated by the operation in the VPX box is accelerated to be dissipated, and the expansion heat dissipation function is realized.

Inventors

  • HU YIGUI
  • LONG QUAN
  • ZHU YONGHUI

Assignees

  • 成都华芯创合科技有限公司

Dates

Publication Date
20260505
Application Date
20250507

Claims (6)

  1. 1. The expansion structure of the VPX backboard comprises a backboard main body (8) and is characterized in that a radiating fin (5) is arranged at the front end of the backboard main body (8), a radiating fan (6) is arranged at the front end of the backboard main body (8), a sliding groove (3) is arranged up and down at the front end of the backboard main body (8), a protective cover plate (2) is inserted into the sliding groove (3), a magnetic attraction block (4) is arranged at the inner side of the front end of the protective cover plate (2), a rear limit stop bar (9) is arranged at the outer side of the protective cover plate (2), and side metal blocks (1) are arranged at the two sides of the sliding groove (3).
  2. 2. The expansion structure of the VPX backboard according to claim 1, wherein the protective cover plate (2) slides in the sliding groove (3) at the front end of the backboard main body (8), the protective cover plate (2) is provided with two groups, the protective cover plate (2) drives the magnetic attraction block (4) to be in magnetic attraction connection with the side metal block (1) at one side of the sliding groove (3), and the protective cover plate (2) covers the radiating fin (5) and the radiating fan (6) at the front end of the backboard main body (8).
  3. 3. The expansion structure of the VPX backboard according to claim 1, wherein the rear end of the backboard main body (8) is provided with a contact inner groove (11), the inside of the contact inner groove (11) is filled with a heat conducting copper plate (10), and the heat conducting copper plate (10) and the inner side of the contact inner groove (11) are coated with an insulating coating (12).
  4. 4. The expansion structure of a VPX back panel according to claim 3, wherein the heat conducting copper plate (10) is embedded in a contact inner groove (11) formed in the back panel main body (8), and the insulating coating (12) is coated on the inner wall of the contact inner groove (11) and the surface of the heat conducting copper plate (10) in the contact inner groove (11).
  5. 5. The expansion structure of the VPX backboard according to claim 1, wherein an intra-plate groove (7) is formed in the front end of the protective cover plate (2), an inner side groove (13) is formed in the inner side of the intra-plate groove (7), and a rear ventilation groove (14) is formed in the rear end of the protective cover plate (2).
  6. 6. The expansion structure of the VPX backboard according to claim 5, wherein the intra-plate grooves (7) are arranged at the front end of the protective cover plate (2) at equal intervals, and the protective cover plate (2) is communicated with the rear ventilation groove (14) at the rear end of the protective cover plate (2) through the inner side groove (13) at the inner side of the intra-plate grooves (7).

Description

Expansion structure of VPX backboard Technical Field The utility model relates to the technical field of VPX, in particular to an expansion structure of a VPX backboard. Background VPX is an open standard for high-performance embedded computing, is widely applied to the fields of national defense, aerospace, industrial automation and the like, and meets the requirements of high bandwidth, high reliability and expandability in a severe environment through high-speed serial interconnection, modularized design and firm mechanical structure. The main body of the VPX is in a box shape or a box shape, and heat dissipation is needed in the use process, and the required heat dissipation force is different due to environmental factors. Therefore, we propose an extension structure of VPX backplane to improve the above-mentioned problems. Disclosure of utility model The present utility model is directed to an extension structure of a VPX backplane, so as to solve the problems set forth in the background art. In order to achieve the above purpose, the utility model provides the technical scheme that the VPX backboard expansion structure comprises a backboard main body, wherein radiating fins are arranged at the front end of the backboard main body, a heat radiation fan is arranged at the front end of the backboard main body, a sliding groove is arranged up and down at the front end of the backboard main body, a protective cover plate is inserted into the sliding groove, a magnetic attraction block is arranged at the inner side of the front end of the protective cover plate, a rear limit stop bar is arranged at the outer side of the protective cover plate, and side metal blocks are arranged at the two sides of the sliding groove. As a further technical scheme of the utility model, the protective cover plate slides in the sliding groove at the front end of the backboard main body, two groups of protective cover plates are arranged, the protective cover plate drives the magnetic attraction block to be in magnetic attraction connection with the side metal block at one side of the sliding groove, and the protective cover plate covers the radiating fin and the radiating fan at the front end of the backboard main body. As a further technical scheme of the utility model, the rear end of the backboard main body is provided with the contact inner groove, the heat conduction copper plate is filled in the contact inner groove, and the heat conduction copper plate and the inner side of the contact inner groove are coated with insulating coatings. As a further technical scheme of the utility model, the heat-conducting copper plate is inlaid in the inner part of the contact inner groove formed in the back plate main body, and the insulating coating is coated on the inner wall of the contact inner groove and the surface of the heat-conducting copper plate in the inner part of the contact inner groove. As a further technical scheme of the utility model, an intra-plate groove is formed in the front end of the protective cover plate, an inner groove is formed in the inner side of the intra-plate groove, and a rear ventilation groove is formed in the rear end of the protective cover plate. As a further technical scheme of the utility model, the intra-plate grooves are arranged at the front end of the protective cover plate at equal intervals, and the protective cover plate is communicated with the rear ventilation groove at the rear end of the protective cover plate through the inner groove at the inner side of the intra-plate grooves. Compared with the prior art, the VPX backboard has the beneficial effects that the expansion structure of the VPX backboard not only realizes the expansion heat dissipation function, realizes the insulation heat conduction function, but also realizes the protection ventilation function; (1) The utility model has the advantages that a large amount of heat is generated when the VPX is used, two groups of protective cover plates slide in the sliding groove at the front end of the backboard main body during operation, the magnetic attraction blocks on the protective cover plates are in magnetic contact with the side metal blocks at the two sides of the sliding groove, then the radiating fins and the radiating fan at the front end of the backboard main body are exposed, and the heat generated by the operation in the VPX box is accelerated to be radiated, so that the function of expanding and radiating is realized; (2) The back plate body is provided with the contact inner groove, the back plate body is internally filled with the heat conducting copper plate, the back end of the back plate body is internally and externally coated with the insulating coating, the heat conducting copper plate accelerates heat transfer, and the insulating coating has insulativity to increase the contact safety of the VPX circuit board and the back plate body, so that the insulating heat conducting function is realized; (3) The prote