CN201069841Y - Electric connector assembly - Google Patents

Abstract

The utility model discloses an electric connector component, which comprises an electric connector able to electrically connect with a printed circuit board and a buckle piece combination pressing a wafer module group toward the electric connector. The buckle piece combination comprises a first group buckle piece for pressing an element module, and a second group buckle piece able to press toward the substrate of the wafer module group. The wafer module group after being assembled to the electric connector can guarantee certain flatness of the wafer module group during the process of pressing downwards the wafer module group through the buckle piece to ensure the good electrical connection between the electric connector and the wafer module group.

Description

Electric coupler component

[technical field]

The utility model refers to the electric coupler component of a kind of electric connection wafer module (CPU) to printed circuit board (PCB) especially about a kind of electric coupler component.

[background technology]

Cpu connector is widely used on the personal computer.Use type computer on the table, then generally see United States Patent (USP) the 5th, 722, expose a kind of connector that is used in desktop PC No. 848.This cpu connector also is called zero insertion force (Zero Insertion Force) connector.It has comprised a matrix, and it is provided with most terminal grooves, all is equipped with butt in each terminal groove.On matrix, be provided with a lid in addition slidably, lid is provided with most perforation, aligns with each terminal groove respectively.A lateral location place at matrix still is provided with a driven unit, moves on matrix to drive lid.Driven unit is a cam structure, is connected with an action bars simultaneously.When action bars was positioned at the upright position, the pin of CPU can not be subjected to pass under the situation of any power the hole on the lid, enters in the terminal groove again.Afterwards, the action bars rotation moves down, and this moment, cam structure also rotated thereupon, and it is mobile on matrix to drive lid simultaneously.And at this moment the CPU that is assembled on the lid also moves with lid, and then has finished and be electrically connected with the terminal in the terminal groove.What more than introduce is the connector that desktop PC is used.

The employed cpu connector of mobile computer, its basic framework are also roughly the same with aforesaid patent, just are subject to the space of mobile computer, and aforesaid action bars has then made the driving chip of horizontal into.And its work is also identical with desktop PC with operating principle, so no longer stating more.

United States Patent (USP) the 7th, 001 has then disclosed another kind of electric connector No. 197.This connector generally is commonly referred to as LGA (Land Grid Array) connector.Mainly be because the usefulness of CPU is more and more high, the Input/Output of its output also increases thereupon.Therefore original pins type can't be re-used, and contact chip (Pad) formula must be made into.So, can increase more space and come ccontaining contact chip.And with respect to the change of CPU, the terminal structure on the connector is also along with change.Wherein the contact jaw of terminal is the upper surface that is raised in connector, directly to contact with the contact chip of CPU.

The electric connector that aforementioned the ' 197 patents relate to does not have lid, does not drive the drive unit of lid yet, and has used a kind of structure of iron plate up and down that is called for short instead.Wherein electric connector is the central authorities that are assembled in down iron plate, and last iron plate then is a side that is articulated in down iron plate rotationally, and at the opposite side that descends iron plate, then is articulated with a depression bar.After CPU places on the connector, last iron plate toilet cover get off, re-use at last depression bar last iron plate clinching on following iron plate, electrically contact with the LGA terminal of guaranteeing CPU and connector contact-making surface.

The connector of this LGA aspect when using on the table the type computer, because the space is enough, without any problem, but when using on mobile computer, just cannot use the depression bar structure of rocker-type.

In addition, also having another problem to consider, is exactly the basic framework of CPU.CPU is made of a substrate (Substrate) and the brilliant element module (Die) that forms thereon.Brilliant element module is to protrude on substrate.Therefore, when CPU is pressed to connector, must be evenly distributed in downforce on brilliant element module and the substrate on every side.Because descend piezocrystal element module or substrate individually, then all might cause CPU distortion warpage because of stressed inequality, have influence at last and be electrically connected characteristic.

Given this, be necessary to provide a kind of improved electric connector in fact, to overcome the defective of above-mentioned electric connector.

[utility model content]

The purpose of this utility model provides a kind of electric coupler component that is provided with down the pressing buckle piece device, the wafer module warpage that do not deform when this time pressing buckle piece device can be guaranteed to press down the wafer module.

For realizing aforesaid purpose, the utility model adopts following technical scheme: a kind of electric coupler component, it comprises the electric connector that can be electrically connected to printed circuit board (PCB) and the wafer module is pressed to the cramp combination of electric connector, and this cramp combination comprises the cramp body, be used to second group of cramp of oppressing first group of cramp of brilliant element module and pressing to the wafer dies group substrate.First group of cramp is to be extended towards first direction by the cramp body, and this first group of cramp comprises the first clinching face that is positioned at first plane; Second group of cramp also formed by the extension of cramp body, and it comprises the second clinching face that is positioned at second plane, and poor with section of first clinching face formation.

With respect to prior art, the utility model electric coupler component has the following advantages: the cramp combination is provided with first group of cramp and second group of cramp, and it is poor that the clinching face of the two forms a section, such first group of cramp can apply the strength that presses down to brilliant element module, simultaneously, second group of cramp then can apply downforce at the substrate of wafer module, thus when guaranteeing to press down the wafer module stressed evenly, difficultly be electrically connected characteristic because of the warpage that deforms influences.

[description of drawings]

Fig. 1 is the three-dimensional exploded view of the utility model first preferred embodiment electric coupler component;

Fig. 2 is the three-dimensional combination figure of electric coupler component shown in Figure 1;

Fig. 3 is the three-dimensional exploded view of the utility model second preferred embodiment electric coupler component;

Fig. 4 is the three-dimensional combination figure of electric coupler component shown in Figure 3;

Fig. 5 is the three-dimensional exploded view of the cramp combination of the utility model the 3rd preferred embodiment electric coupler component;

Fig. 6 is the three-dimensional combination figure of cramp combination shown in Figure 5.

[embodiment]

See also Fig. 1 to shown in Figure 2, it has disclosed the electric coupler component 100 of the utility model first preferred embodiment, and it comprises the electric connector 20 that is electrically connected to printed circuit board (PCB) 10, the wafer module 30 that is installed on electric connector 20 conductive regions, heat abstractor 40 and the cramp combination 50 of wafer module 30 being pressed to electric connector 20.

Electric connector 20 is in order to electrically connect wafer module 30 to printed circuit board (PCB) 10, it comprises insulating body 201, insulating body 201 roughly is longitudinal, and it comprises conductive region 202 that contains plurality of conductive terminals (not shown) and the side wall 203 that centers on conductive region 202.

Wafer module 30 structure that roughly is square, it is made of a substrate 301 and the brilliant element module 302 that forms thereon.

Heat abstractor 40 is crimped to wafer module 30, is used for loose removing the heat that wafer module 30 produces when work, and it comprises the fin 401 of general square shape and is assembled in radiating tube 403 in the groove 402 of fin.

Cramp combination 50 comprises cramp body 501, be used to second group of cramp 503 of oppressing first group of cramp 502 of brilliant element module and pressing to wafer dies group substrate 30 1.Cramp body 501 is a shaped as frame structure, and it comprises inner edge 5011 and outer rim 5012, and wherein first group of cramp 502 is that inner edge 5011 by the shaped as frame structure extends to form down, and second group of cramp 503 is to be extended down by outer rim 5012.First group of cramp 502 comprise some apart from one another by cramp, and cramp is to extend towards horizontal direction earlier, extend downwards again and also form the first clinching face that is positioned at first plane, second group of cramp 503 also comprise some apart from one another by cramp, it forms the second clinching face on second plane.That is, the first clinching face is first group of residing same plane of cramp free end, and the second clinching face is second group of residing same plane of cramp free end, and it is poor to form a section between above-mentioned first and second buckling surface.In addition, four jiaos of the cramp body 501 of this shaped as frame structure places also are provided with and are used for described cramp is made up 50 fixing pilot holes 504.

During assembling, at first electric connector 20 is positioned on the printed circuit board (PCB) 10, then wafer module 30 is put into the conductive region 202 of electric connector 20, again heat abstractor 40 is crimped on the wafer module 30, again cramp combination 50 is assembled on the heat abstractor 40, at last, connector (not shown) passes the mating holes 504 of circuit board 10, cramp body 501 successively from the below of circuit board 10, thereby circuit board 10, electric connector 20, heat abstractor 40 and cramp combination 50 are assembled into one.The cramp combination 50 first group of cramp that is provided with 502 downward applied pressures just conduct on the brilliant element module 302 of wafer module 30 by fin 401 like this, second group of cramp 503 downward applied pressure directly acts on the substrate 301 of wafer module 30, thereby warpage does not take place the wafer module 30 after guaranteeing to assemble.

Please continue to consult Fig. 3 to shown in Figure 4, it discloses the electric coupler component 800 of the utility model second preferred embodiment, and it also comprises the electric connector 80 that is electrically connected to printed circuit board (PCB) (not shown), the wafer module 802 that is installed on electric connector 80 conductive regions 801, heat abstractor and the cramp combination 804 of wafer module 802 being pressed to electric connector 80.

Detailed says, the difference of second preferred embodiment and first preferred embodiment is: one, the groove of accommodating radiating tube 8032 is not set on the fin 8031 of heat abstractor in the present embodiment, and after the assembling, the two directly is crimped on together; They are two years old, cramp combination 804 also comprises cramp body 805, be used to second group of cramp 8042 of oppressing first group of cramp 8041 of brilliant element module (not label) and pressing to wafer dies group substrate (not label), but first and second group cramp 8041,8042 non-one-body molded formation, but combine by connector (not shown).

The utility model also provides the electric coupler component of the 3rd preferred embodiment, present embodiment provides another cramp composite set, see also Fig. 5 to shown in Figure 6, this kind cramp combination 900 cramp bodies 902 that comprise, first and second group cramp 903,906 and cramp in second preferred embodiment make up 804 the same be not integrated, cramp body 902 also is the shaped as frame structure, and the end of first group of cramp 903 connects by first transverse bar 904, second transverse bar 905.By first and second transverse bar 904,905 the shaped as frame structure of cramp body 902 is divided into two zones.

More than the electric coupler component of three kinds of preferred embodiments, all be that the power that is applied on the wafer module when utilizing the cramp combination of its setting will press down is evenly distributed on brilliant element module and the substrate on every side, thereby when having guaranteed assembling of wafer module and work warpage does not take place, so that be electrically connected to printed circuit board (PCB) better.

Claims (10)

1. electric coupler component, it comprises the electric connector that can be electrically connected to printed circuit board (PCB) and the wafer module is pressed to the cramp combination of electric connector, it is characterized in that: this cramp combination comprises the cramp body, be used to second group of cramp of oppressing first group of cramp of brilliant element module and pressing to the wafer dies group substrate.

2. electric coupler component as claimed in claim 1 is characterized in that: described first group of cramp is to be extended towards first direction by the cramp body, and this first group of cramp comprises the first clinching face that is positioned at first plane; Described second group of cramp also formed by the extension of cramp body, and it comprises the second clinching face that is positioned at second plane, and poor with section of first clinching face formation.

3. electric coupler component as claimed in claim 1 is characterized in that: the end of first group of cramp couples together by a transverse bar.

4. electric coupler component as claimed in claim 3 is characterized in that: described transverse bar and cramp body are in the same plane.

5. electric coupler component as claimed in claim 1 is characterized in that: described first, second group cramp and this body by integral forming of cramp.

6. electric coupler component as claimed in claim 2 is characterized in that: first group of cramp is to extend towards horizontal direction earlier, extends to form the first clinching face downwards.

7. electric coupler component as claimed in claim 1 is characterized in that: first group of cramp comprises several cramps, and between cramp and the cramp at intervals.

8. electrical connection device assembly as claimed in claim 1 is characterized in that: second group of cramp comprises several cramps, and between cramp and the cramp at intervals.

9. electric coupler component as claimed in claim 1 is characterized in that: the cramp body is a shaped as frame structure, and it comprises inner edge and outer rim, and wherein first group of cramp is that inner edge by the shaped as frame structure extends to form down, and second group of cramp system extended down by outer rim.

10. electric coupler component as claimed in claim 9 is characterized in that: this shaped as frame structure comprises a fixed part at least, is arranged on diagonal position.

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