CN210983185U - Computing force board grounding structure in server case and server with same - Google Patents

Abstract

The utility model discloses a server machine incasement calculates power board ground structure and has its server, calculates power board ground structure and includes: the force calculation board is provided with at least two force calculation chips which are connected in series for power supply; the computing plate is provided with at least two computing force chips connected in series for power supply, the metal elastic sheet is arranged on the computing plate and is in conductive fixed connection with the computing plate, the computing plate can be inserted in the slot of the server case in a sliding mode, and the metal elastic sheet abuts against the inner peripheral wall of the slot. According to the utility model discloses a server machine incasement calculates power board ground structure, convenient assembling not only calculates and can form stable electricity between power board, metal shrapnel and the server machine case moreover and connect, can realize good ground effect.

Description

Computing force board grounding structure in server case and server with same

Technical Field

The utility model belongs to the technical field of the electronic equipment technique and specifically relates to a power board ground structure and have its server are calculated to server machine incasement.

Background

As is well known, a PCB and an aluminum substrate are important carriers of electronic components, and those skilled in the art will sometimes refer to the PCB, the aluminum substrate and a computing chip as a whole as a computing board, which constitutes an important component of an electrical device. The computing board is usually inserted into a server case in the using process, a plurality of functional units are arranged on the computing board, and a plurality of electronic components are uniformly distributed on each functional unit, so that each functional unit can play different functional roles. As the signal frequency of electronic devices is increasing, the electromagnetic compatibility problems such as mutual interference between electronic devices are also increasing, and thus the requirement for the grounding performance of computing boards is also increasing.

In the related art, the grounding point of the force calculation plate is adjacent to the top gap position of the server chassis, and the grounding sheet is connected with the force calculation plate through screws. However, when the grounding strip is assembled, the screws easily fall into the chassis and are difficult to take out, so that the risk of short circuit of the line exists. Moreover, since the grounding point is far from the noise source, the installation of the grounding sheet increases the working noise of the server chassis.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the utility model is to provide a server machine incasement calculates power board ground structure, calculate power board ground structure and have simple structure, the high advantage of ground connection stability.

The utility model also provides a server of being equipped with above-mentioned server machine incasement calculation power board ground structure.

According to the utility model discloses server machine incasement calculation power board ground structure, include: the force calculation board is provided with at least two force calculation chips which are connected in series for power supply; the computing plate is provided with at least two computing force chips connected in series for power supply, the metal elastic sheet is arranged on the computing plate and is in conductive fixed connection with the computing plate, the computing plate can be inserted in the slot of the server case in a sliding mode, and the metal elastic sheet abuts against the inner peripheral wall of the slot.

According to the utility model discloses server machine incasement calculates power board ground structure, convenient assembling not only calculates and can form stable electricity between power board, metal shrapnel and the server machine case moreover and connect, can realize good ground connection effect.

According to some embodiments of the utility model, it is regional to be equipped with exposed copper on the calculation board, metal shrapnel with the regional welded connection of exposed copper.

According to some embodiments of the utility model, metal shrapnel includes welding section and end section, the welding section level extend and with the board of computing power links to each other, follows the direction of inserting of the board of computing power, end the section and be located the rear of welding section just it is relative to end the section the welding section to the protruding protrusion of slot center direction.

In some embodiments of the utility model, metal shrapnel still includes the linkage segment, the linkage segment with be connected one side of welding section links to each other on the surface and towards keeping away from the direction of stopping the section extends, be equipped with on the calculation board and be used for holding the holding tank of linkage segment.

In some embodiments of the present invention, the connecting section is a plurality of connecting sections, and the connecting sections are disposed at intervals in the length direction of the welding section.

In some embodiments of the present invention, the welding section, the abutting section and the connecting section are integrally formed parts.

According to some embodiments of the invention, the metal dome is a beryllium copper material.

According to some embodiments of the utility model, the bottom of server machine case is equipped with the edge calculate the slide rail that the direction of insertion of power extends, calculate the lower extreme of power board with slide rail sliding fit is in order to guide metal shrapnel inserts in the slot.

According to some embodiments of the utility model, be equipped with the direction inclined plane on the inner wall of slot, follow the direction of insertion of calculation power board, direction inclined plane orientation is close to metal shrapnel's direction slope extends.

According to the utility model discloses server, include according to the utility model discloses the power board ground structure is calculated to server machine incasement of above-mentioned embodiment.

According to the utility model discloses server calculates power board ground structure through setting up the aforesaid, calculates power board ground structure and has convenient assembling, the stable good advantage of ground connection to can promote server's operating stability.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic diagram of a fitting state of a force calculation board and a slot according to an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion circled by A in FIG. 1;

fig. 3 is a schematic view of a fitting structure of the force calculation plate and the metal elastic sheet according to an embodiment of the present invention;

FIG. 4 is an enlarged view of a portion encircled by B in FIG. 3;

fig. 5 is a schematic view of an overall structure of a metal dome according to an embodiment of the present invention.

Reference numerals:

the force calculation plate grounding structure 100 is provided with a grounding structure,

the server case 1, the slot 11, the guide slope 111, the slide rail 12,

the force calculation board 2, the force calculation chip 21,

the metal elastic sheet 3, the welding section 31, the abutting section 32, the first abutting section 32a, the second abutting section 32b, the third abutting section 32c, the fourth abutting section 32d and the connecting section 33.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

A force calculation plate grounding structure 100 in a server chassis according to an embodiment of the present invention is described below with reference to fig. 1 to 5.

According to the utility model discloses power Board ground structure 100 is calculated to server machine incasement, calculate power Board 2 (also can be called PCB Board (Printed Circuit Board) or aluminium base Board in this field) and metal shrapnel 3.

As shown in fig. 1-2, a slot 11 may be disposed in the server chassis 1, as shown in fig. 3, the force calculation board 2 may be disposed with at least two force calculation chips 21 connected in series for power supply, the metal elastic sheet 3 may be disposed on the force calculation board 2 and electrically and fixedly connected to the force calculation board 2, the force calculation board 2 may be slidably inserted into the slot 11, and the metal elastic sheet 3 may be abutted against an inner peripheral wall of the slot 11. Specifically, when the force calculation board grounding structure 100 in the server chassis is assembled, the metal elastic sheet 3 and the force calculation board 2 may be electrically and fixedly connected together, and then the force calculation board 2 may be inserted into the slot 11. When the force calculation plate 2 is in sliding fit with the slot 11, the metal elastic sheet 3 can move synchronously along with the force calculation plate 2, so that the metal elastic sheet 3 can be driven to abut against the inner peripheral wall of the slot 11. At this time, a stable ground connection can be formed between the force calculation plate 2, the metal elastic sheet 3 and the server case 1.

According to the utility model discloses power board ground structure 100 is calculated to server machine incasement, convenient assembling not only calculates moreover and can form stable electricity between power board 2, metal shrapnel 3 and the server machine case 1 and connect, can realize good ground effect.

According to the utility model discloses a some embodiments can be equipped with on the calculation board 2 and expose the copper region, metal shrapnel 3 can with expose the copper region welded connection, can make metal shrapnel 3 and calculate the connection structure between the board 2 simpler, firm from this, and then can promote calculation board ground structure 100's ground connection effect. Alternatively, the metal dome 3 may be soldered to the copper-exposed area on the force calculation plate 2.

The connection manner between the metal dome 3 and the copper exposed area is not limited to this. For example, the metal elastic sheet 3 and the copper exposed area can be fixed together by adopting a screw connection mode.

As shown in fig. 4, according to some embodiments of the present invention, the metal dome 3 may include a welding section 31 and a stopping section 32, the welding section 31 may extend horizontally and be connected to the force calculating plate 2, along the inserting direction of the force calculating plate 2, the stopping section 32 may be located behind the welding section 31 and protrude toward the direction of the slot 11 relative to the welding section 31 of the stopping section 32, when the force calculating plate 2 is in sliding fit with the slot 11, one end of the force calculating plate 2 may be inserted into the slot 11 deeply and along the inserting direction, along with the movement of the force calculating plate 2, the welding section 31 first enters into the slot 11, and then the stopping section 32 is in sliding fit with the slot 11. Since the stopping section 32 protrudes toward the center of the slot 11 relative to the welding section 31, the stopping section 32 gradually stops against the inner peripheral wall of the slot 11 along with the movement of the force calculating plate 2. When the force calculation plate 2 is installed in place, the abutting section 32 and the slot 11 are firmly abutted together.

From this, through the above-mentioned setting, can make metal shrapnel 3's structural design simpler, reasonable, stop section 32 can promote its ground connection stability. Moreover, one end of the metal elastic sheet 3 is fixed, and the other end is free, so that the metal elastic sheet 3 can be freely extended when the force calculation plate 2 is inserted into the slot 11, and the metal elastic sheet 3 can be freely retracted when the force calculation plate 2 is pulled out of the slot 11.

In the specific example shown in fig. 4, the stop section 32 is formed in a substantially arc shape, and includes a first stop section 32a, a second stop section 32b, a third stop section 32c, and a fourth stop section 32 d. In the insertion direction of the force calculating plate 2 (the back-to-front direction shown in fig. 1), the first stopping section 32a, the second stopping section 32b, the third stopping section 32c, and the fourth stopping section 32d are sequentially connected. One end of the first abutting section 32a is connected with the second abutting section 32b, and the other end of the first abutting section 32a is a free end, so that when the abutting section 32 is subjected to the extrusion force of the slot 11, the free end of the first abutting section 32a can move back and forth. Along the insertion direction of the force calculation plate 2, the second resisting section 32b extends obliquely towards the direction far away from the force calculation plate 2, the fourth resisting section 32d extends obliquely towards the direction close to the force calculation plate 2, the third resisting section 32c is formed into an arc shape, and two ends of the third resisting section 32c are respectively connected with the second resisting section 32b and the fourth resisting section 32 d.

When the force calculation plate 2 is engaged with the slot 11, the fourth stopping section 32d first enters the slot 11. With the force calculation plate 2 being inserted further, since the third stopping section 32c protrudes outward relative to the force calculation plate 2, the third stopping section 32c can firmly stop against the inner peripheral wall of the slot 11, and the stopping section 32 deforms by extrusion, so that a stable ground connection can be formed. When the force calculating plate 2 is pulled out from the slot 11, the pressing force is small, and the stopping section 32 is restored to the original state.

As shown in fig. 5, in some embodiments of the present invention, the metal dome 3 may further include a connection section 33, the connection section 33 may be connected to a side surface of the welding section 31 and extend toward a direction away from the abutting section 32, an accommodating groove (not shown) for accommodating the connection section 33 may be disposed on the force calculation plate 2, when the force calculation plate 2 is assembled with the metal dome 3, the connection section 33 on the metal dome 3 may be deep into the corresponding accommodating groove, and then the metal dome 3 and the force calculation plate 2 may be welded together by using a welding connection method. From this, through the aforesaid setting, linkage segment 33 and holding tank cooperation can play predetermined position's effect to metal shrapnel 3 to can promote metal shrapnel 3's assembly efficiency.

The utility model discloses an in some embodiments, linkage segment 33 can be a plurality of, and a plurality of linkage segments 33 can be in the length direction (as the fore-and-aft direction shown in fig. 1) of welding section 31 go up the interval and set up, can be equipped with the holding tank with a plurality of linkage segments 33 one-to-one in the dew copper region on the computing force board 2, from this, a plurality of linkage segments 33 and a plurality of holding tank one-to-one cooperation can promote the firm in connection performance between metal shrapnel 3 and the computing force board 2 greatly.

Optionally, the welding section 31, the abutting section 32 and the connecting section 33 may be an integral part, so that the structure of the metal dome 3 may be simpler and the assembly efficiency may be improved. The configuration of the metal dome 3 is not limited to this. For example, the welding section 31 and the stop section 32 may be provided as a single piece, and the connecting section 33 and the welding section 31 may be connected together by welding.

In a specific example of the present invention, the metal elastic sheet 3 can be fixedly connected to the copper-exposed area of the force calculation plate 2 by soldering. Wherein, be equipped with two holding tanks in the dew copper region, metal shrapnel 3 includes welding section 31, butt section 32 and two linkage segments 33, and welding section 31 horizontal extension links to each other with calculation power board 2, along calculation power board 2's direction of inserting, butt section 32 is located welding section 31's rear and butt section 32 and is protruding to slot 11 direction relative welding section 31, and linkage segment 33 links to each other with welding section 31 and extends towards the direction of keeping away from butt section 32. When the metal elastic sheet 3 is assembled with the force calculation plate 2, the two connecting sections 33 can be inserted into the corresponding accommodating grooves, then the solder is poured into the two accommodating grooves, and the solder is filled between the connecting sections 33 and the inner peripheral walls of the accommodating grooves. And then the matching structure of the metal elastic sheet 3 and the force calculation plate 2 can be heated, the solder is heated and melted and is uniformly filled in the accommodating groove, and the connecting section 33 and the inner peripheral wall of the accommodating groove can be firmly connected together after cooling.

According to some embodiments of the utility model, metal shrapnel 3 can be beryllium copper material spare, and beryllium copper is the copper alloy who is beryllium as main alloying element, has good elastic property, still has intensity and hardness height, elastic hysteresis is little, corrosion-resistant, wear-resisting, high electrically conductive, non-magnetism nature, impact and do not produce a series of good physics, chemistry and mechanical properties such as spark, can promote metal shrapnel 3's comprehensive performance greatly from this.

It should be noted that the material of the metal elastic sheet 3 is not limited thereto, as long as it can form a stable ground connection with the force calculation plate 2 and the server case 1, and the present invention is not limited thereto.

As shown in fig. 1, according to some embodiments of the present invention, the bottom of the server case 1 may be provided with a slide rail 12 extending along the insertion direction of the force calculation plate 2, and the lower end of the force calculation plate 2 may be slidably fitted with the slide rail 12 to guide the metal elastic sheet 3 to be inserted into the slot 11, so that the fitting efficiency of the force calculation plate 2 and the server case 1 may be improved. Specifically, a slot 11 and a slide rail 12 are provided in the server chassis 1, the slot 11 and the slide rail 12 being opposite to each other in the vertical direction, and the slide rail 12 is located below the slot 11. When calculating power board 2 and server machine case 1 and assembling, the lower extreme of calculating power board 2 can stretch into in the slide rail 12, and the upper end of calculating power board 2 can stretch into in slot 11, and slide rail 12 can play the effect of direction to calculating power board 2, can make to calculate power board 2 smoothly slide in slot 11 to the inseparable laminating of the internal perisporium of guide metal shrapnel 3 and slot 11.

Optionally, the server chassis 1 may be assembled with the plurality of computation force plates 2 at the same time, a plurality of slots 11 and a plurality of slide rails 12 are arranged in the server chassis 1, the plurality of slots 11 and the plurality of slide rails 12 are arranged at intervals in the width direction (left and right directions shown in fig. 1) of the server chassis 1, and a slide rail 12 which is opposite to each slot 11 is arranged below each slot 11. Therefore, each sliding rail 12 can guide the force calculation board 2 to be inserted into the corresponding slot 11, and the assembly efficiency between the server chassis 1 and the force calculation board 2 is greatly improved.

As shown in fig. 1, according to some embodiments of the present invention, the inner wall of the slot 11 may be provided with a guiding inclined plane 111, and along the insertion direction of the force calculation plate 2, the guiding inclined plane 111 may extend toward the direction close to the metal elastic sheet 3 in an inclined manner, so that along the insertion direction of the force calculation plate 2, the distance between the opposite side walls of the slot 11 is smaller and smaller, and the metal elastic sheet 3 and the opposite side walls of the slot 11 may be firmly attached together, thereby forming a stable ground connection.

The force calculation plate grounding structure 100 in the server chassis according to the present invention is described in detail with reference to fig. 1 to 5. It is to be understood that the following description is exemplary only, and is not intended as a specific limitation on the invention.

As shown in fig. 1-2, a force calculation board grounding structure 100 in a server chassis according to an embodiment of the present invention includes: server machine case 1, calculation power board 2 and metal shrapnel 3.

A plurality of slots 11 distributed at intervals may be disposed in the server chassis 1, and a guide inclined plane 111 may be disposed on an inner wall of each slot 11, and along an insertion direction of the computation force board 2, the guide inclined plane 111 may extend obliquely toward a direction close to the metal elastic sheet 3. The bottom of the server case 1 is provided with slide rails 12 which are in one-to-one correspondence with the plurality of slots 11 and are arranged in parallel. As shown in fig. 3, the computation board 2 is provided with a plurality of computation chips 21 arranged in rows and columns and connected in series, the computation board 2 is provided with a copper exposing area, and two receiving grooves are arranged in the copper exposing area. The metal elastic sheet 3 comprises a welding section 31, a resisting section 32 and two connecting sections 33, wherein the welding section 31 extends horizontally and is connected with the force calculation plate 2, the resisting section 32 is located behind the welding section 31 and protrudes towards the direction of the slot 11 relative to the welding section 31 along the insertion direction of the force calculation plate 2, and the connecting sections 33 are connected with the welding section 31 and extend towards the direction far away from the resisting section 32.

When the metal elastic sheet 3 is assembled with the force calculation plate 2, the two connecting sections 33 can be inserted into the corresponding accommodating grooves, then the solder is poured into the two accommodating grooves, and the solder is filled between the connecting sections 33 and the inner peripheral walls of the accommodating grooves. And then the matching structure of the metal elastic sheet 3 and the force calculation plate 2 can be heated, the solder is heated and melted and is uniformly filled in the accommodating groove, and the connecting section 33 and the inner peripheral wall of the accommodating groove can be firmly connected together after cooling.

When calculating power board 2 and server machine case 1 and assembling, the lower extreme of calculating power board 2 can stretch into in the slide rail 12, and the upper end of calculating power board 2 can stretch into and insert in, and slide rail 12 can play the effect of direction to calculating power board 2, can make to calculate power board 2 smoothly slide in slot 11 to the inseparable laminating of the internal perisporium of guide metal shrapnel 3 and slot 11.

According to the utility model discloses server, include according to the utility model discloses the power board ground structure 100 is calculated to server machine incasement of above-mentioned embodiment.

According to the utility model discloses server, through setting up above-mentioned power board ground structure 100 that calculates, power board ground structure 100 that calculates has convenient assembling, the stable good advantage of ground connection to can promote server's operating stability.

In the description of the present invention, it is to be understood that the terms "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A computing force board grounding structure in a server case is characterized by comprising:

the force calculation board is provided with at least two force calculation chips which are connected in series for power supply;

the computing plate can be inserted into the slot of the server case in a sliding mode, and the metal elastic sheet abuts against the inner peripheral wall of the slot.

2. The server chassis inner computing force plate grounding structure of claim 1, wherein a copper exposure area is arranged on the computing force plate, and the metal spring plate is connected with the copper exposure area in a welding manner.

3. The server chassis inner force calculation plate grounding structure of claim 1, wherein the metal spring plate comprises a welding section and a stopping section, the welding section extends horizontally and is connected with the force calculation plate, along the insertion direction of the force calculation plate, the stopping section is located behind the welding section, and the stopping section protrudes towards the center direction of the slot relative to the welding section.

4. The server chassis inner force calculation plate grounding structure of claim 3, wherein the metal spring further comprises a connecting section, the connecting section is connected to a side surface of the welding section and extends towards a direction away from the abutting section, and an accommodating groove for accommodating the connecting section is formed in the force calculation plate.

5. The computer board grounding structure of claim 4, wherein the connecting segments are multiple, and the connecting segments are spaced apart from each other along the length direction of the soldering segment.

6. The computer-board grounding structure of claim 4, wherein the welding section, the stopping section and the connecting section are integrally formed.

7. The server chassis inner computing force plate grounding structure of claim 1, wherein the metal spring sheet is a beryllium copper material.

8. The grounding structure of the force calculation plate in the server chassis according to claim 1, wherein a sliding rail extending along the insertion direction of the force calculation is disposed at the bottom of the server chassis, and the lower end of the force calculation plate is in sliding fit with the sliding rail to guide the metal elastic sheet to be inserted into the insertion slot.

9. The grounding structure of a force calculation plate in a server case as claimed in any one of claims 1 to 8, wherein a guiding inclined surface is provided on an inner wall of the slot, and the guiding inclined surface extends obliquely toward a direction close to the metal elastic sheet along an insertion direction of the force calculation plate.

10. A server comprising the computer chassis internal force computation board grounding structure according to any one of claims 1 to 9.

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