CN113381222B

CN113381222B - High-speed backboard assembly

Info

Publication number: CN113381222B
Application number: CN202110645908.8A
Authority: CN
Inventors: 李雪玲; 邓华亮; 崔卫红; 李翔; 乌建辉
Original assignee: Shenzhen Aidele Electronics Co ltd
Current assignee: Shenzhen Aidele Electronics Co ltd
Priority date: 2021-06-09
Filing date: 2021-06-09
Publication date: 2022-04-29
Anticipated expiration: 2041-06-09
Also published as: CN113381222A

Abstract

The invention relates to the technical field of back plates, in particular to a high-speed back plate assembly, which adopts the technical scheme that: including backplate, setting fixed slot and the equipartition intercommunication setting in the backplate top jack of fixed slot below, still include: the electromagnetic ring is fixedly arranged in the middle upper part of each jack, an insulating layer is arranged on the inner wall of each electromagnetic ring, the elastic contact assemblies are symmetrically arranged on two sides of the lower part of each jack, the connecting assemblies are uniformly distributed in the back plate, each connecting assembly is arranged below two adjacent jacks, each heat dissipation assembly is fixedly arranged on one side below the back plate, each electromagnetic block is obliquely and fixedly arranged in the bottom end of one side, close to each heat dissipation assembly, of the back plate, and the top end of each electromagnetic block is electrically connected with the corresponding electromagnetic ring.

Description

High-speed backboard assembly

Technical Field

The invention relates to the technical field of back plates, in particular to a high-speed back plate assembly.

Background

The high-speed back board is one kind of PCB board, but is different from a common PCB board, and the high-speed back board is provided with a channel for providing signal interconnection for each type of daughter card in a system, an interface for providing power supply of a system power supply and a case structure for matching, and plays a role in assisting physical support for each daughter card or module.

The backplate need install the connector when using, but can't detect whether the connector is installed to target in place through detection device when installing the connector on the backplate at present, can't detection device detect whether the end of connector is installed to target in place, can appear the connector welding back on the backplate because the phenomenon that the installation is not in place leads to using the trouble, and the backplate can produce a large amount of heats when using, and the heat dissipation of backplate is slower.

Therefore, a need exists for a high speed backplane assembly.

Disclosure of Invention

Therefore, the invention provides a high-speed backboard component, which is abutted against a connector end through an elastic contact component, then whether the connector end is installed in place is detected through the contact head and the elastic contact component of a detection device, two adjacent groups of elastic contact components are connected through a connection component, then whether the connector is detected in place as a whole can be detected through the detection device, the connector end can be sucked and fixed by an electromagnetic ring arranged, so that the contact failure caused by the insecure contact force between the backboard and the connector end is avoided, meanwhile, the electromagnetic ring can enable an electromagnetic block to have a magnetic driving heat dissipation component to be used as a backboard for heat dissipation through a lead, the heat dissipation effect is good, the problem that the connector needs to be installed when the backboard is used is solved, but the connector cannot be detected whether the connector is installed in place through the detection device when the backboard is installed, and the detection device cannot detect whether the end of the connector is installed in place, the problem that the connector is welded on the back plate and then fails to be used due to the fact that the connector cannot be installed in place can occur, a large amount of heat can be generated when the back plate is used, and heat dissipation of the back plate is slow.

In order to achieve the above purpose, the invention provides the following technical scheme: high-speed backplate subassembly includes the backplate, sets up fixed slot and the equipartition intercommunication setting in the jack of fixed slot below in the backplate top, still includes:

the electromagnetic ring is fixedly arranged in the middle upper part of the jack and used for sucking and fixing the end head of the connector so as to avoid poor contact caused by insecure contact force between the back plate and the connector end head, and an insulating layer is arranged on the inner wall of the electromagnetic ring;

the elastic contact assemblies are symmetrically arranged on two sides of the lower part of the jack and used for detecting whether the connector end is electrified or not so as to realize the detection of whether the connector end is installed in place or not;

the connecting components are uniformly distributed in the back plate and used for electrically communicating two adjacent groups of elastic contact components to realize the purpose of detecting whether the whole connector is installed in place or not, and the connecting components are arranged below two adjacent groups of jacks;

the heat dissipation assembly is fixedly arranged on one side below the back plate and used for dissipating heat of the back plate; and

the electromagnetic block is obliquely and fixedly installed in the bottom end of one side, close to the heat dissipation assembly, of the back plate and is used for driving the heat dissipation assembly to work, and the top end of the electromagnetic block is electrically connected with a group of electromagnetic rings arranged close to the electromagnetic block.

Preferably, the elastic contact subassembly includes the contact piece, the material of contact piece sets up to the metal material that electric conductivity is good, the contact piece sets up in one side of jack, the one end fixed mounting that the jack was kept away from to the contact piece is on the elastic contact subassembly, the elastic contact subassembly symmetry sets up the lower part both sides at the jack, the elastic contact subassembly sets up in the backplate, the one end fixedly connected with connecting wire of jack is kept away from to the contact piece, the one end fixedly connected with sheetmetal of contact piece is kept away from to the connecting wire, sheetmetal fixed mounting is in the bottom of backplate, the external fixation cover of connecting wire is equipped with the insulating boot.

Preferably, the lower part of the contact block is obliquely arranged, the upper part of the contact block is arranged to be spherical, a threaded mandril is arranged below the contact block, and the threaded mandril is in threaded connection with the back plate.

Preferably, the elastic contact subassembly includes the slide, the material of slide sets up to insulating material, the slide slides and sets up in the electromagnetism piece, electromagnetism piece symmetry sets up the lower part both sides at the jack, the electromagnetism piece sets up in the bottom of backplate, the slide is close to one side fixed mounting contact piece of jack, the slide is kept away from one side of contact piece and is provided with the second spring, the second spring slides and sets up in the electromagnetism piece.

Preferably, coupling assembling includes the metal sheet, the metal sheet slides and sets up in square groove, square groove equipartition sets up in the bottom of backplate, square groove sets up the below between adjacent two sets of jacks, the side of metal sheet all offsets with the inner wall activity in square groove, the top bilateral symmetry of metal sheet is provided with the third spring, the external fixation of third spring is provided with insulating cover, the outside both ends of the insulating cover that sets up of third spring respectively with the top fixed connection of metal sheet and square groove, the top fixed connection of third spring is in the top in square groove, the middle part threaded connection of metal sheet has the plastics bolt.

Preferably, the top end of the plastic bolt is spherical, the top end of the plastic bolt movably abuts against the top end of the square groove, and the third spring is in a stretching state.

Preferably, be provided with clamping component in the fixed slot, clamping component includes splint, splint symmetry slip sets up in the both sides of fixed slot, the equal slip cap in both ends of splint is established on the slide bar, slide bar symmetry fixed mounting is in the both sides of fixed slot, the slide bar sets up with splint perpendicularly, the equal slip cap in both ends of slide bar is equipped with first spring, one side at the fixed slot center is kept away from at splint to first spring setting, the both ends of first spring respectively with splint and backplate fixed connection.

Preferably, radiator unit includes the bar piece, bar piece fixed mounting is on one side of the bottom of backplate, the equipartition rotates in the bar piece and installs the pivot, one side that the pivot is close to the backplate middle part all equipartition fixed mounting has the flabellum, the equal transmission fit of pivot is connected, fixed mounting has the disc subassembly in a set of pivot that is close to the setting of electromagnetism piece in the bar piece.

Preferably, the equal fixed mounting in one end that the flabellum was kept away from to the pivot has the sprocket, the sprocket all connects through chain drive cooperation.

Preferably, the disc subassembly sets up in the recess, the recess sets up in one side that the bar piece is close to the electromagnetism piece, the disc subassembly includes the disc, disc fixed mounting is close to this a set of pivot that the electromagnetism piece set up in the bar piece on, equipartition fixed mounting has the magnet piece on the outside of disc, certain intermittent type has between two sets of adjacent magnet pieces on the disc.

The invention has the beneficial effects that:

1. the elastic contact components are abutted against the connector end, then whether the connector end is installed in place or not is detected through the contact heads of the detection device and the elastic contact components, two adjacent groups of elastic contact components are connected through the connecting component, and then whether the connector is integrally detected in place or not can be detected through the detection device;

2. the electromagnetic ring provided by the invention can suck and fix the connector end to avoid poor contact caused by insecure contact force between the back plate and the connector end, and meanwhile, the electromagnetic ring can enable the electromagnetic block to have a magnetic driving heat dissipation component to be used as the back plate for heat dissipation through a lead, so that the heat dissipation effect is good;

3. the clamping assembly is arranged, so that the connector can be clamped and fixed when the connector is mounted in place or not is detected, and the detection result is prevented from deviating due to looseness of the connector in the detection process.

Drawings

FIG. 1 is a block diagram of a backplane assembly provided by the present invention;

FIG. 2 is an enlarged view of area A of FIG. 1 according to the present invention;

FIG. 3 is an enlarged view of area B of FIG. 1 in accordance with the present invention;

FIG. 4 is an enlarged view of the area C of FIG. 1 in accordance with the present invention;

FIG. 5 is a block diagram of a clamping assembly provided by the present invention;

FIG. 6 is a schematic view of a heat sink assembly according to the present invention;

FIG. 7 is a view of the chuck assembly configuration provided by the present invention;

fig. 8 is a diagram of a stripe block provided by the present invention.

In the figure: 1-back plate, 2-fixed groove, 3-jack, 4-clamping component, 41-clamping plate, 42-sliding rod, 43-first spring, 5-elastic contact component, 51-contact block, 52-sliding plate, 53-second spring, 54-connecting wire, 55-threaded mandril, 56-metal sheet, 6-electromagnetic block, 7-connecting component, 71-third spring, 72-metal plate, 73-plastic bolt, 8-heat dissipation component, 81-rotating shaft, 82-magnetic disc component, 821-disc, 822-magnet block, 83-fan blade, 84-sprocket, 85-bar block, 86-chain, 9-groove, 10-square groove and 11-electromagnetic ring.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Referring to fig. 1-8, the high-speed backplane assembly provided by the present invention comprises a backplane 1, a fixing groove 2 disposed in the top end of the backplane 1, and insertion holes 3 uniformly distributed and communicated below the fixing groove 2, and further comprises:

the electromagnetic ring 11 is fixedly arranged in the middle upper part of the jack 3 and used for sucking and fixing the end head of the connector so as to avoid poor contact caused by insecure contact force between the back plate 1 and the connector end head, and an insulating layer is arranged on the inner wall of the electromagnetic ring 11;

the elastic contact assemblies 5 are symmetrically arranged at two sides of the lower part of the jack 3 and are used for detecting whether the connector end is electrified or not so as to realize the detection of whether the connector end is installed in place or not;

the connecting assemblies 7 are uniformly distributed in the back plate 1 and used for electrically communicating the two adjacent groups of elastic contact assemblies 5 to realize that whether the whole connector is installed in place or not is detected, and the connecting assemblies 7 are arranged below the two adjacent groups of jacks 3;

the heat dissipation assembly 8 is fixedly arranged on one side below the back plate 1 and used for dissipating heat of the back plate 1; and

the electromagnetic block 6 is obliquely and fixedly installed in the bottom end of one side, close to the heat dissipation assembly 8, of the back plate 1 and is used for driving the heat dissipation assembly 8 to work, and the top end of the electromagnetic block 6 is electrically connected with a group of electromagnetic rings 11 arranged close to the electromagnetic block 6.

Further, elastic contact subassembly 5 includes contact block 51, contact block 51's material sets up to the good metal material of electric conductivity, contact block 51 sets up in one side of jack 3, the one end fixed mounting that jack 3 was kept away from to contact block 51 is on the elastic contact subassembly (not mark in the figure), the elastic contact subassembly symmetry sets up the lower part both sides at jack 3, the elastic contact subassembly sets up in backplate 1, the one end fixedly connected with connecting wire 54 of jack 3 is kept away from to contact block 51, the one end fixedly connected with sheetmetal 56 of contact block 51 is kept away from to connecting wire 54, sheetmetal 56 fixed mounting is in the bottom of backplate 1, the outside fixed cover of connecting wire 54 is equipped with the insulating boot, specifically, the elastic contact subassembly can realize that the end of contact block 51 and connector tightly offsets, the outside cover of connecting wire 54 is established the insulating boot and is avoided connecting wire 54 and second spring 53 to contact.

Further, the lower part of the contact block 51 is obliquely arranged, the upper part of the contact block 51 is arranged to be spherical, a threaded ejector rod 55 is arranged below the contact block 51, the threaded ejector rod 55 is in threaded connection with the back plate 1, specifically, the lower part of the contact block 51 is obliquely arranged so that the threaded ejector rod 55 can push the contact block 51 to slide to one side far away from the jack 3, the threaded ejector rod 55 is rotated, the threaded ejector rod 55 moves upwards to push the contact block 51 to move to one side far away from the jack 3, and the contact block 51 is separated from the abutting state with the end of the connector.

Further, the elastic contact subassembly includes slide 52, and the material of slide 52 sets up to insulating material, and slide 52 slides and sets up in electromagnetism piece 6, and electromagnetism piece 6 symmetry sets up in the lower part both sides of jack 3, and electromagnetism piece 6 sets up in the bottom of backplate 1, and slide 52 is close to one side fixed mounting contact piece 51 of jack 3, and one side that contact piece 51 was kept away from to slide 52 is provided with second spring 53, and second spring 53 slides and sets up in electromagnetism piece 6.

Further, the connecting assembly 7 includes a metal plate 72, the metal plate 72 is slidably disposed in the square groove 10, the square grooves 10 are uniformly disposed in the bottom end of the back plate 1, the square groove 10 is disposed below the two adjacent sets of the jacks 3, the side edges of the metal plate 72 are movably abutted against the inner wall of the square groove 10, third springs 71 are symmetrically disposed on two sides above the metal plate 72, an insulating sleeve is fixedly disposed outside the third springs 71, two ends of the insulating sleeve disposed outside the third springs 71 are respectively fixedly connected with the metal plate 72 and the top end of the square groove 10, the top end of the third springs 71 is fixedly connected in the top end of the square groove 10, a plastic bolt 73 is threadedly connected to the middle portion of the metal plate 72, specifically, when it is required to detect whether the connector is integrally mounted in place, the plastic bolt 73 is rotated, because the plastic bolt 73 is threadedly connected with the metal plate 72, the top end of the plastic bolt 73 is movably abutted against the top end of the square groove 10, namely, the metal plate 72 moves in the vertical direction, namely, the metal plate 72 moves downwards, namely, two ends of the metal plate 72 move downwards to be movably jointed with the metal sheets 56, at the moment, the third spring 71 is in a stretching state, namely, all the two adjacent groups of metal sheets 56 are connected through the metal plate 72, and then are respectively jointed with the metal sheets 56 arranged at two ends of the back plate 1 through contact heads of the detection device, if an upper display circuit of the detection device is communicated, the connector is integrally installed in place, and if the circuit displayed on the detection device is not communicated, the connector is not installed in place.

Further, the top end of the plastic bolt 73 is set to be spherical, the top end of the plastic bolt 73 is movably abutted against the top end of the square groove 10, and the third spring 71 is in a stretching state.

Further, be provided with clamping unit 4 in the fixed slot 2, clamping unit 4 includes splint 41, splint 41 symmetry slides and sets up in the both sides of fixed slot 2, the both ends of splint 41 are all slided the cover and are established on slide bar 42, slide bar 42 symmetry fixed mounting is in the both sides of fixed slot 2, slide bar 42 sets up with splint 41 is perpendicular, the both ends of slide bar 42 are all slided the cover and are equipped with first spring 43, first spring 43 sets up the one side of keeping away from fixed slot 2 center at splint 41, the both ends of first spring 43 respectively with splint 41 and backplate 1 fixed connection, it is concrete, splint 41 can press from both sides the bottom of connector tightly, be convenient for detect the connector.

Further, radiator unit 8 includes bar 85, and bar 85 fixed mounting is on one side of the bottom of backplate 1, and the equipartition rotates in the bar 85 and installs pivot 81, and one side that pivot 81 is close to backplate 1 middle part all equipartition fixed mounting has flabellum 83, and the equal transmission fit of pivot 81 is connected, and fixed mounting has disk assembly 82 on a set of pivot 81 that is close to electromagnetism piece 6 setting in the bar 85.

Further, one end of the rotating shaft 81, which is far away from the fan blades 83, is fixedly provided with a chain wheel 84, and the chain wheels 84 are connected in a transmission fit manner through a chain 86.

Further, the disc assembly 82 is disposed in the groove 9, the groove 9 is disposed in one side of the bar-shaped block 85 close to the electromagnetic block 6, the disc assembly 82 includes a disc 821, the disc 821 is fixedly mounted on the group of the rotating shafts 81 disposed in the bar-shaped block 85 close to the electromagnetic block 6, the magnet blocks 822 are uniformly and fixedly mounted on the outer side of the disc 821, a certain interval is provided between two adjacent groups of the magnet blocks 822 on the disc 821, specifically, after the electromagnetic block 6 is powered on, the electromagnetic block 6 has the same magnetism as the magnet blocks 822, i.e., the magnet blocks 822 and the disc 821 can rotate, i.e., the rotating shaft 81 mounted with the disc 821 rotates, i.e., one group of the rotating shafts 81 can drive the other rotating shafts 81 to rotate through the chain 84 on the rotating shaft by the chain 86, i.e., the rotating shaft 81 rotates, i.e., the fan blades 83 rotates, the fan blades 83 can make the air flow rate under the back plate 1 faster, i.e., realize heat dissipation to the back plate 1, the heat dissipation effect is good.

The using process of the invention is as follows: inserting the end of the connector into the jack 3, pushing the clamp plate 41 to move towards two sides by force, wherein the first spring 43 is in a compressed state, so that the bottom end of the connector can enter the fixing groove 2, loosening the clamp plate 41 after the end of the connector is completely inserted into the jack 3, clamping the connector by the clamp plate 41 under the action of the first spring 43, thereby clamping the connectors with different specifications, avoiding the phenomenon that the detection cannot be normally carried out due to the loosening phenomenon of the connector when detecting the installation position, pushing the contact block 51 to slide towards one side far away from the jack 3 after the end of the connector is inserted into the jack 3, moving the sliding plate 52 along with the movement of the contact block 51, wherein the second spring 53 is in a compressed state, and when the end of the connector is completely inserted into the jack 3, the contact block 51 is abutted against the end of the connector, rotating the plastic bolt 73, wherein the plastic bolt 73 is in threaded connection with the metal plate 72, the top end of the plastic bolt 73 is movably abutted against the top end of the square groove 10, namely, the metal plate 72 moves in the vertical direction, namely, the metal plate 72 moves downwards, namely, the two ends of the metal plate 72 move downwards and are movably attached to the metal sheets 56, at the moment, the third spring 71 is in a stretching state, namely, all the two adjacent groups of metal sheets 56 are connected through the metal plate 72, then the metal sheets 56 arranged at the two ends of the back plate 1 are respectively attached to the contact heads of the detection device, if the upper display circuit of the detection device is communicated, the connector is integrally installed in place, if the circuit displayed on the detection device is not communicated, the plastic bolt 73 needs to be rotated, because the third spring 71 is in the stretching state, namely, the top end of the plastic bolt 73 is always movably abutted against the top end of the square groove 10, the metal plate 72 moves upwards, the metal plate 72 moves upwards to enable two ends of the metal plate 72 to be separated from the metal sheets 56, namely, no connection relation exists between two adjacent groups of metal sheets 56, namely, the metal plate 72 can be attached to the metal sheets 56 below two sides of the jack 3 through the contact head of the detection device, whether a circuit is connected is detected, if the circuit is connected, the end head of the connector which can change the position is installed in place, if the circuit is not connected, the end head of the connector is installed in place, whether the connector is installed in place can be detected, after the detection is finished, the connector can be fixedly welded on the back plate 1, meanwhile, the threaded ejector rod 55 is rotated, the threaded ejector rod 55 moves upwards to push the contact block 51 to move towards one side far away from the jack 3, the contact block 51 is separated from the abutting state with the end head of the connector, when the connector is used, the electromagnetic ring 11 is electrified and has magnetism, so that the electromagnetic ring 11 sucks and fixes the end head of the connector, in order to avoid the contact failure phenomenon that the contact force between the back plate 1 and the connector end is not firm, when the connecting wire 54 is electrified and has magnetism, because the connecting wire 54 is electrically connected with the electromagnetic block 6, namely the electromagnetic block 6 has magnetism opposite to that of the magnet block 822, because the magnetism of the electromagnetic block 6 is opposite to that of the magnet block 822, the magnet block 822 and the disc 821 can rotate, namely the rotating shaft 81 provided with the disc 821 rotates, namely a group of rotating shafts 81 rotates, the chain wheels 84 on the rotating shafts can drive the other rotating shafts 81 to rotate through the chains 86, the rotating shafts 81 rotate, namely the fan blades 83 rotate, the fan blades 83 can enable the air flow rate below the back plate 1 to be faster, namely the heat dissipation of the back plate 1 is realized, and the heat dissipation effect is good.

The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solution described above. Therefore, any simple modifications or equivalent substitutions made in accordance with the technical solution of the present invention are within the scope of the claims of the present invention.

Claims

1. High-speed backplate subassembly includes backplate (1), sets up fixed slot (2) and equipartition intercommunication setting in backplate (1) top jack (3) of fixed slot (2) below, its characterized in that still includes:

the electromagnetic ring (11) is fixedly arranged in the middle upper part of the jack (3) and used for sucking and fixing the end head of the connector so as to avoid poor contact caused by insecure contact force between the back plate (1) and the connector end head, and an insulating layer is arranged on the inner wall of the electromagnetic ring (11);

the elastic contact components (5) are symmetrically arranged at two sides of the lower part of the jack (3) and are used for detecting whether the connector end is electrified or not so as to realize the detection of whether the connector end is installed in place or not;

the connecting assemblies (7) are uniformly distributed in the back plate (1) and used for electrically communicating two adjacent groups of elastic contact assemblies (5) to detect whether the connector is integrally installed in place, and the connecting assemblies (7) are arranged below the two adjacent groups of jacks (3);

the heat dissipation assembly (8) is fixedly arranged on one side below the back plate (1) and used for dissipating heat of the back plate (1); and

the electromagnetic block (6) is obliquely and fixedly installed in the bottom end of one side, close to the heat dissipation assembly (8), of the back plate (1) and used for driving the heat dissipation assembly (8) to work, and the top end of the electromagnetic block (6) is electrically connected with a group of electromagnetic rings (11) which are arranged close to the electromagnetic block (6).

2. The high speed backplane assembly of claim 1, wherein: elastic contact subassembly (5) are including contact piece (51), the material of contact piece (51) sets up to the metal material that electric conductivity is good, contact piece (51) set up in one side of jack (3), the one end fixed mounting that jack (3) were kept away from in contact piece (51) is on the elastic contact subassembly, the elastic contact subassembly symmetry sets up the lower part both sides in jack (3), the elastic contact subassembly sets up in backplate (1), the one end fixedly connected with connecting wire (54) of jack (3) are kept away from in contact piece (51), the one end fixedly connected with sheetmetal (56) of contact piece (51) are kept away from in connecting wire (54), sheetmetal (56) fixed mounting is in the bottom of backplate (1), the outside fixed cover of connecting wire (54) is equipped with insulating boot.

3. The high speed backplane assembly of claim 1, wherein: the connecting component (7) comprises a metal plate (72), the metal plate (72) is arranged in the square groove (10) in a sliding mode, the square grooves (10) are uniformly distributed in the bottom end of the back plate (1), the square grooves (10) are arranged below the space between two adjacent groups of jacks (3), the side edges of the metal plates (72) are movably propped against the inner wall of the square groove (10), third springs (71) are symmetrically arranged on two sides above the metal plate (72), an insulating sleeve is fixedly arranged outside the third spring (71), two ends of the insulating sleeve arranged outside the third spring (71) are respectively and fixedly connected with the metal plate (72) and the top end of the square groove (10), the top end of the third spring (71) is fixedly connected in the top end of the square groove (10), the middle part of the metal plate (72) is in threaded connection with a plastic bolt (73).

4. The high speed backplane assembly of claim 1, wherein: be provided with clamping component (4) in fixed slot (2), clamping component (4) include splint (41), splint (41) symmetry slip sets up in the both sides of fixed slot (2), the both ends of splint (41) are all slided the cover and are established on slide bar (42), slide bar (42) symmetry fixed mounting is in the both sides of fixed slot (2), slide bar (42) set up with splint (41) are perpendicular, the both ends of slide bar (42) are all slided the cover and are equipped with first spring (43), one side at fixed slot (2) center is kept away from in splint (41) in first spring (43) setting, the both ends of first spring (43) respectively with splint (41) and backplate (1) fixed connection.

5. The high speed backplane assembly of claim 1, wherein: radiator unit (8) include strip piece (85), strip piece (85) fixed mounting is on the bottom one side of backplate (1), equipartition rotation installs pivot (81) in strip piece (85), one side that pivot (81) are close to backplate (1) middle part all equipartition fixed mounting have flabellum (83), the equal transmission fit connection of pivot (81), fixed mounting has disc subassembly (82) on a set of pivot (81) that are close to electromagnetism piece (6) setting in strip piece (85).

6. The high speed backplane assembly of claim 2, wherein: the lower part of the contact block (51) is obliquely arranged, the upper part of the contact block (51) is arranged to be spherical, a threaded ejector rod (55) is arranged below the contact block (51), and the threaded ejector rod (55) is in threaded connection with the back plate (1).

7. The high speed backplane assembly of claim 2, wherein: the elastic contact subassembly includes slide (52), the material of slide (52) sets up to insulating material, slide (52) slide and set up in electromagnetism piece (6), electromagnetism piece (6) symmetry sets up the lower part both sides in jack (3), electromagnetism piece (6) set up in the bottom of backplate (1), slide (52) are close to one side fixed mounting contact piece (51) of jack (3), one side that contact piece (51) were kept away from in slide (52) is provided with second spring (53), second spring (53) slide and set up in electromagnetism piece (6).

8. The high speed backplane assembly of claim 3, wherein: the top end of the plastic bolt (73) is spherical, the top end of the plastic bolt (73) is movably abutted against the top end of the square groove (10), and the third spring (71) is in a stretching state.

9. The high speed backplane assembly of claim 5, wherein: the equal fixed mounting in one end that flabellum (83) were kept away from in pivot (81) has sprocket (84), sprocket (84) all connect through chain (86) transmission fit.

10. The high speed backplane assembly of claim 5, wherein: the magnetic disc assembly (82) is arranged in a groove (9), the groove (9) is formed in one side, close to an electromagnetic block (6), of a strip-shaped block (85), the magnetic disc assembly (82) comprises a disc (821), the disc (821) is fixedly installed on a group of rotating shafts (81) which are arranged in the strip-shaped block (85) and close to the electromagnetic block (6), magnet blocks (822) are uniformly and fixedly installed on the outer side of the disc (821), and a certain interval is formed between two adjacent groups of magnet blocks (822) on the disc (821).