CN207612458U - Mainboard and its circuit board - Google Patents
Mainboard and its circuit board Download PDFInfo
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- CN207612458U CN207612458U CN201721634946.9U CN201721634946U CN207612458U CN 207612458 U CN207612458 U CN 207612458U CN 201721634946 U CN201721634946 U CN 201721634946U CN 207612458 U CN207612458 U CN 207612458U
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- circuit board
- main circuit
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- accessory plate
- perforation
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Abstract
A kind of mainboard of the utility model offer and its circuit board, the mainboard include a circuit board, a central processing unit and an apparatus for debugging.Circuit board includes a main circuit board, at least an accessory plate, a stamp hole structure and multiple conductive layers.Main circuit board has a main circuit.Accessory plate is connected to main circuit board, and has an auxiliary circuit.Stamp hole structure is located at the junction of main circuit board and accessory plate.Conductive layer is located in each hole of stamp hole structure.Conductive layer is connected the auxiliary circuit of the main circuit and accessory plate of main circuit board.The main circuit board is arranged in central processing unit, and is electrically connected main circuit.Apparatus for debugging is set to accessory plate, and electrical auxiliary circuit in succession.
Description
Technical field
The utility model is about a kind of mainboard, especially a kind of mainboard and its circuit board including accessory plate.
Background technology
In general, the mainboard of computer equipment must first pass through test before formal volume production, to ensure the mainboard produced
Quality.The method of test is typically that one is arranged on mainboard except wrong connector and its associated circuit components (debug header＆
Related circuit) to system detect mistake, and in order to save production cost and will be removed after test phase it is wrong even
It connects device and its associated circuit components removes.
No matter however, except whether wrong connector is removed, all needed on mainboard reserved except the installation space of wrong connector is in this
On mainboard, and so that the space that the setting of other electronic components on mainboard is put is compressed, and then increases the difficulty of motherboard design
Degree.In addition, when because reprocessing mainboard with client after mainboard volume production, still have except wrong demand, therefore will need to remove wrong head reflow again
Pre-set space on to mainboard.However, will be except wrong head reflow is to mainboard, the script solder joint appearance in addition to mainboard can be destroyed, reflow
High temperature used in behavior of the heavy industry plus part is easy to cause mainboard and main board function is damaged or made with the electronic component on mainboard
Unstable probability increases, to influence except wrong correctness.
Invention content
The utility model lies in that providing a kind of mainboard and its circuit board, improvement is used in the prior art, because except mistake connector
It is set on mainboard and increases the design difficulty of mainboard and the printed circuit board of the mainboard caused by follow-up reflow
The problem of (printed circuit board assembly, PCBA) appearance is destroyed.
Mainboard disclosed in one embodiment of the utility model, including a circuit board, a central processing unit and one remove misloading
It sets.Circuit board includes a main circuit board, at least an accessory plate, a stamp hole structure and an at least conductive layer.Main circuit board has
One main circuit.An at least accessory plate is connected to main circuit board, and has an auxiliary circuit.Stamp hole structure be located at main circuit board with
The junction of accessory plate.An at least conductive layer is located in an at least hole for stamp hole structure.An at least conductive layer is connected main circuit
The main circuit of plate and the auxiliary circuit of accessory plate.The main circuit board is arranged in central processing unit, and is electrically connected main circuit.Except misloading
It installs and is placed in accessory plate, and electrical auxiliary circuit in succession.
Circuit board disclosed in another embodiment of the utility model, including a main circuit board, at least an accessory plate, a postal
Ticket pore structure and at least a conductive layer.Main circuit board has a main circuit.At least an accessory plate is connected to main circuit board, and has
One auxiliary circuit.Stamp hole structure is located at the junction of main circuit board and accessory plate.An at least conductive layer is located at stamp hole structure
An at least hole in.An at least conductive layer is connected the auxiliary circuit of the main circuit and accessory plate of main circuit board.
Mainboard according to above-described embodiment and its circuit board, since apparatus for debugging is set to except main circuit board
On accessory plate, and accessory plate could be detachably connected to the side of main circuit board.Thus, in addition to it can be increased on main circuit board
The installation space of his electronic component, and then reduce except the difficult design degree of circuit board, it more can be after test phase quickly
Ground is detached with main circuit board.
Further, since the stamp hole structure of conductive layer attachment.Therefore, in addition in test phase, being located on accessory plate
Apparatus for debugging and auxiliary circuit can be to main circuit boards by can be electrically connected by adhering to the stamp hole structure of conductive layer with main circuit
On electronic component carry out detecing mistake；In the production phase, such as have again except wrong demand, it also can be by will be removed on accessory plate
Semicircle stamp hole after being cut off in stamp hole reflow to main circuit board, or connected using special jig non-solder, make originally
The auxiliary circuit detached with main circuit can be electrically connected with main circuit again, and can quickly be carried out except mistake.
Furthermore after isolation because of accessory plate and main circuit board, stamp hole structure is located at the side of the two, and stamp hole structure
It is attached with conductive layer.Thus, which if circuit board has after volume production again except wrong demand, it is only necessary to accessory plate and main electricity will be located at
The stamp hole structure reflow of road plate side can reconnect accessory plate and the auxiliary circuit and main circuit on main circuit board, or make
It is connected with special jig non-solder.Thus, because of the position of electrical engagement point, due to the fringe region positioned at main circuit board,
It can avoid being positioned over the high temperature when middle section of main circuit board is welded and to influence circuit board beautiful or except wrong correct
Property.
The explanation of explanation and following implementation above with respect to the utility model content is demonstrating and explain this practicality
Novel spirit and principle, and the claims for providing the utility model are further explained.
Description of the drawings
Fig. 1 is the floor map of the mainboard according to the utility model first embodiment.
Fig. 2 is the partial cutaway schematic of the mainboard of Fig. 1.
Fig. 3 is by the floor map of the accessory plate reflow of Fig. 1 to main circuit board.
Fig. 4 is the partial schematic plan view of the mainboard according to the utility model second embodiment.Fig. 5 is according to this reality
With the floor map of the mainboard described in novel 3rd embodiment.
Fig. 6 is the floor map of the mainboard according to the utility model fourth embodiment.
Wherein, reference numeral：
1a mainboards
10,10 ' circuit board
101,101 ' main circuit board
1011 setting faces
1012 back sides
1013 main circuits
102 accessory plates
1021 setting faces
1022 back sides
1023 auxiliary circuits
103 connecting plates
1031 first sides
1032 second sides
104,104 ' stamp hole structure
1041 first perforation
10411 ring-like wall surfaces
1042 second perforation
10421 ring-like wall surfaces
1043 strip holes
105a, 105b, 105c conductive layer
106 groove millings
20 central processing units
30 apparatus for debugging
D1 groove milling width
D2 connecting plate width
D3 strip hole widths
Specific implementation mode
Describe the detailed features and advantage of the utility model in detail in embodiments below, content is enough to make any
Those skilled in the art understands the technology contents of the utility model and implements according to this, and according in disclosed in this specification
Hold, claims and attached drawing, any those skilled in the art can be readily understood upon the relevant mesh of the utility model
And advantage.The viewpoint of the utility model is further described in embodiment below, but non-anyways to limit this practicality
Novel scope.
It please refers to Fig.1 and Fig. 3.Fig. 1 is the floor map of the mainboard according to the utility model first embodiment.Figure
2 be the partial cutaway schematic of the mainboard of Fig. 1.Fig. 3 is by the floor map of the accessory plate reflow of Fig. 1 to main circuit board.
In the present embodiment, a kind of mainboard 1a, including a circuit board 10, a central processing unit 20 and an apparatus for debugging 30 are disclosed.
Circuit board 10 includes the accessory plate 102, four of a main circuit board 101, two connecting plate 103, a stamp hole structure 104 and multiple leads
Electric layer 105a.
Main circuit board 101 has a setting face 1011, a back side 1012 and a main circuit 1013.Setting face 1011 and the back side
1012 is opposite.Main circuit 1013 is set in setting face 1011.
Two accessory plates 102 are located at the both sides of main circuit board 101.Each accessory plate 102 have a setting face 1021,
One back side 1022 and an auxiliary circuit 1023.Setting face 1021 is opposite with the back side 1022.The setting face 1021 of accessory plate 102 and master
The setting face 1011 of circuit board 101 is located at the same side of circuit board 10.Auxiliary circuit 1023 is set to the setting face of accessory plate 102
On 1021.
The two of which connecting plate 103 of four connecting plates 103 is connected between main circuit board 101 and one accessory plate 102,
Another two connecting plate 103 is then connected between main circuit board 101 and another accessory plate 102.Specifically, each connecting plate 103
With opposite a first side 1031 and a second side 1032.The first side 1031 of connecting plate 103 connects main circuit board
101, the second side 1032 of connecting plate 103 connects accessory plate 102, to enable main circuit board 101 and accessory plate 102 be separated in
A groove milling 106 is formed between main circuit board 101 and accessory plate 102.The width D 1 of groove milling 106 is substantially equal to connecting plate 103
Width D 2.The width D 1 of this groove milling 106 must be designed according to the width of board separator drill (not being painted), i.e. the width of groove milling 106
D1 is substantially equal to the width of board separator drill.It is so-called to be substantially equal to be equal to or due to mismachining tolerance close to equal.
The purpose that the width of groove milling 106 defines illustrates together after holding.
Stamp hole structure 104 includes multiple first perforation 1041 and multiple second perforation 1042.First perforation, 1041 arrangement
In the first side of connecting plate 103 1031, the second perforation 1042 is arranged in the second side 1032 of connecting plate 103.Specifically,
First 1041 parts of perforation are located at main circuit board 101, and another part of the first perforation 1041 is then located at connecting plate 103.Second wears
1042 part of hole is located at accessory plate 102, and another part is then located at connecting plate 103.
In addition, the quantity and mutual spacing of the first perforation 1041 also with the second 1042 quantity of perforation and mutual
Spacing is identical, and the aperture and position of the aperture of the first perforation 1041 and position and the second perforation 1042 are in correspondence with each other, function
Illustrate together after appearance.
The material of these conductive layers 105a is, for example, copper, is plated on these first perforation 1041 of stamp hole structure 104 respectively
And on multiple ring-like wall surfaces 10411,10421 of these the second perforation 1042, and be connected the main circuit 1013 of main circuit board 101 with
The auxiliary circuit 1023 of accessory plate 102.In addition, the conductive layer 105a positioned at the first perforation 1041 is perforated 1041 by first respectively
One end positioned at the back side 1012,1022 is extended in one end of device surface 1011,1021.Positioned at the conductive layer of the second perforation 1042
One end that 105a is located at device surface 1011,1021 by the second perforation 1042 respectively extends to one end positioned at the back side 1012,1022.
In the present embodiment, the electronic components such as central processing unit 20 are set in the setting face 1011 of main circuit board 101, and
And it is electrically connected main circuit 1013.Apparatus for debugging 30 is set in the setting face 1021 of accessory plate 102, and with auxiliary circuit 1023
It is electrically connected, and main circuit 1013 can be electrically connected by conductive layer 105a and auxiliary circuit 1023.Thus, be located at auxiliary
Help the apparatus for debugging 30 on plate 102 can circuit board 10 test phase to the electronics on main circuit 1013 and main circuit 1013
Element carries out detecing mistake.
Then, terminate in test phase, can retain according to the demand of processing procedure or cut off accessory plate 102.Such as retain auxiliary
Side of seeking when helping plate 102 as Automatic Conveying is used, and or accessory plate 102 is cut off before packaging, to reduce circuit board 10
Volume.Since apparatus for debugging 30 is set on accessory plate 102, when accessory plate 102 is removed, apparatus for debugging 30
It is removed together, and the removal operation of apparatus for debugging 30 can be simplified.In addition, because apparatus for debugging 30 is set on accessory plate 102, therefore
It can save and reserve the installation space of apparatus for debugging 30 in main circuit board 101, and then avoid the wave of installation space on main circuit board 101
Take.
The above-mentioned program for cutting off accessory plate 102 is that board separator drill is first placed in groove milling 106, then the drill of board separator
It can be moved along groove milling 106 and cut off connecting plate 103.Further, since the width D 1 of groove milling 106 is equal to the width of board separator drill,
Connecting plate 103 can be removed completely, and after so that connecting plate 103 is removed, on main circuit board 101 and accessory plate 102 can respectively there are
The stamp hole structure 104 of half portion.
After volume production, have again if there is client to reprocess except wrong demand, it is only necessary to by the accessory plate with apparatus for debugging 30
102 reflows to main circuit board 101 can be carried out except mistake.Specifically, as shown in figure 3, main circuit board 101 and accessory plate 102
Side respectively has half of stamp hole structure 104, and since the first perforation 1041 and the size of the second perforation 1042 are corresponding with position,
Therefore, the first perforation 1041 is perforated with second and 1042 can be reconnected by welding, and make main circuit 1013 with it is auxiliary
Circuit 1023 is helped to be connected again.At this point, the apparatus for debugging 30 on accessory plate 102 can be again to the master on main circuit board 101
Circuit 1013 is carried out with electronic component except mistake.Thus, can be from by 30 reflow to main circuit board 101 of apparatus for debugging when generate
High temperature and keep the electronic component of main circuit board 101 impaired, to influence except it is wrong as a result, or residual scruff or scaling powder in circuit
It is influenced on plate 101 beautiful.
Further, since extending to the back side 1012,1022 by device surface 1011,1021 positioned at conductive layer 105a.Therefore, when auxiliary
When helping plate 102 by reflow to main circuit board 101, it is only necessary to which reflow stamp hole structure 104 is located at the one of setting face 1011,1021
End, without completely welding real entire perforation, you can make 1023 circuit communication of main circuit 1013 and auxiliary circuit, and then improve back
The convenience of weldering.
In the present embodiment, the material of conductive layer 105a is copper, but is not limited thereto, in other embodiments, conductive
Layer may be the good material of other tool electric conductivity, such as silver etc..
In addition, in the present embodiment, the perforation 1041 of stamp hole structure 104,1042 shapes are circle, but not as
Limit, can also be other arbitrary shapes.
Furthermore aforementioned accessory plate 102 is connect again with main circuit board 101 in a welding manner to carry out except mistake, but simultaneously
It is not limited.In other embodiments, it is possible to use special jig connection accessory plate 102 and main circuit board 101.
It is worth noting that, in the present embodiment, apparatus for debugging 30 is and directly to be set except wrong head (debug header)
It is placed on accessory plate 102, but is not limited thereto.In other embodiments, apparatus for debugging can also be to judge to detect wrong knot
Light emitting diode (LED) cresset of fruit or a third equipment or circuit board by except wrong connector be set to indirectly it is auxiliary
It helps on plate.
Furthermore print identification label can be added in the setting face 1021 of accessory plate 102 (figure is not painted).Identification label may be, for example, silk
It prints (Silk screen).Automation equipment identification element or the direction printed circuit board (PCB) can be helped in processing procedure, or really
Reflow can be correctly oriented to main circuit board 101 by protecting accessory plate 102.
In previous embodiment, conductive layer 105a be middle vacant lot be attached to the first perforation 1041 with second perforate 1042 it is ring-like
In wall surface 10411,10421, but it is not limited thereto.Referring to Fig. 4, Fig. 4 is according to described in the utility model second embodiment
Mainboard partial schematic plan view.In the present embodiment, conductive layer 105b is filled at the first of stamp hole structure 104 solidly
Perforation 1041 and the second perforation 1042.
In previous embodiment, the quantity of accessory plate 102 is two, but is not limited thereto.Referring to Fig. 5, according to Fig. 5
The floor map of mainboard described in the utility model 3rd embodiment.In the present embodiment, circuit board 10 ' is not microcircuit
Plate, the existing sufficient space offer of area of main circuit board 101 ' are sought side and are used, therefore can only include an accessory plate 102.
In the aforementioned embodiment, the perforation 1041,1042 of stamp hole structure 104 is to be formed in the circle of 103 both sides of connecting plate
Shape is perforated, but is not limited thereto.Referring to Fig. 6, Fig. 6 is the plane of the mainboard according to the utility model fourth embodiment
Schematic diagram.In the present embodiment, stamp hole structure 104 ' includes multiple strip holes 1043.Strip hole 1043 and connecting plate 103
First side 1031 and second side 1032 are all intersected.Each strip hole 1043 is in first side 1031 and second side 1032
Between width D 3 it is identical.That is, each strip hole 1043 is equal in addition to the width on first side 1031
Outside width on dual side-edge 1032, the width on connecting plate 103 everywhere is also all identical.Conductive layer 105c is located at these length
In hole 1043, and it is attached on the ring wall surface 10431 for surrounding out strip hole 1043.Strip hole 1043 is advantageous in that, milling
The width D 1 of slot 106 does not need to the width for being accurately equal to board separator drill (not being painted), and the design width D 1 of groove milling 106 is only
Need the width more than or equal to board separator drill (not being painted).Specifically, if the width of drill is less than groove milling 106
When width D 1, drill only can cut-out connecting plate 103 and result in residual fraction on main circuit board 101 and accessory plate 102
Connecting plate 103.Again due to the width of the strip hole 1043 on connecting plate 103 it is equal, even if therefore connecting plate 103 do not cut completely
It removes, remaining connecting plate 103 can still dock and reflow with remaining connecting plate 103 on accessory plate 102 on main circuit board 101.
According to the mainboard and its circuit board of above-described embodiment, the accessory plate being set to due to apparatus for debugging except main circuit board
It above or for a third equipment or circuit board is connected on accessory plate by except wrong connector, and accessory plate could be detachably connected to
The side of main circuit board.Thus, the installation space in addition to other electronic components on main circuit board can be increased, and then reduce electricity
Except the difficult design degree of road plate, more it can rapidly be detached with main circuit board after test phase.
Further, since the stamp hole structure of conductive layer attachment.Therefore, in addition in test phase, being located on accessory plate
Apparatus for debugging and auxiliary circuit can be to main circuit boards by can be electrically connected by adhering to the stamp hole structure of conductive layer with main circuit
On electronic component carry out detecing mistake；In the production phase, such as have again except wrong demand, it also can be by will be removed on accessory plate
Semicircle stamp hole after being cut off in stamp hole reflow to main circuit board, or connected using special jig non-solder, make originally
The auxiliary circuit detached with main circuit can be electrically connected with main circuit again, and can quickly be carried out except mistake.
Furthermore after isolation because of accessory plate and main circuit board, stamp hole structure is located at the side of the two, and stamp hole structure
It is attached with conductive layer.Thus, which if circuit board has after volume production again except wrong demand, it is only necessary to accessory plate and main electricity will be located at
The stamp hole structure reflow of road plate side can reconnect accessory plate and the auxiliary circuit and main circuit on main circuit board, or make
It is connected with special jig non-solder.Thus, because of the position of electrical engagement point, due to the fringe region positioned at main circuit board,
It can avoid being positioned over the high temperature when middle section of main circuit board is welded and to influence circuit board beautiful or except wrong correct
Property.
Certainly, the utility model can also have other various embodiments, without departing substantially from the spirit of the present invention and its essence
In the case of, those skilled in the art work as can make various corresponding change and deformations, but these according to the utility model
Corresponding change and deformation should all belong to the protection domain of the utility model the attached claims.
Claims (12)
1. a kind of circuit board, which is characterized in that the circuit board includes：
One main circuit board has a main circuit；
An at least accessory plate, which is connected to the main circuit board, and has an auxiliary circuit；
One stamp hole structure is located at the junction of the main circuit board and an at least accessory plate；And
An at least conductive layer is located in an at least hole for the stamp hole structure, and an at least conductive layer is connected the main electricity
The main circuit of road plate and the auxiliary circuit of the accessory plate.
2. circuit board according to claim 1, which is characterized in that further comprise an at least connecting plate, at least one company
Fishplate bar has opposite a first side and a second side, and the first side of an at least connecting plate connects the main circuit
The second side of plate and an at least connecting plate connects an at least accessory plate, which includes multiple first
Perforation and multiple second perforation, those first perforation patterns in the first side, those second perforation patterns in the second side,
And the quantity of an at least conductive layer is multiple, those conductive layers are located in those first perforation and those second perforation.
3. circuit board according to claim 2, which is characterized in that the quantity of those the first perforation is identical to those with spacing
Biperforate quantity and spacing, and those the first perforation and those biperforate apertures and position are in correspondence with each other.
4. circuit board according to claim 3, which is characterized in that those conductive layers be attached respectively to surround out those first
Perforation and those biperforate multiple ring wall surfaces.
5. circuit board according to claim 4, which is characterized in that be located at those first those conductive layers perforated respectively certainly
One end of those the first perforation extends to the other end of those the first perforation, is located at those biperforate those conductive layers difference
Those biperforate other ends are extended to from those biperforate one end.
6. circuit board according to claim 1, which is characterized in that further comprise an at least connecting plate, at least one company
Fishplate bar has opposite a first side and a second side, and the first side of an at least connecting plate connects the main circuit
The second side of plate and an at least connecting plate connects an at least accessory plate, which includes multiple strips
Hole, those strip holes all intersect with the first side and the second side, and the quantity of an at least conductive layer is multiple, is somebody's turn to do
A little conductive layers are located in those strip holes.
7. circuit board according to claim 6, which is characterized in that each strip hole is in the first side and the second side
It is of same size between side.
8. circuit board according to claim 1, which is characterized in that further comprise that an identification marks, identification label is set
It is placed in an at least accessory plate.
9. the circuit board according to claim 2 or 6, which is characterized in that an at least connecting plate and an at least accessory plate
Quantity be all two, two first sides of two connecting plates are connected to the opposite sides of the main circuit board, two
The accessory plate is connected to two second sides of two connecting plates.
10. a kind of mainboard, which is characterized in that the mainboard includes：
One circuit board, including：
One main circuit board has a main circuit；
An at least accessory plate, which is connected to the main circuit board, and has an auxiliary circuit；
One stamp hole structure is located at the junction of the main circuit board and an at least accessory plate；And
An at least conductive layer, be located at the stamp hole structure an at least hole in, and this at least a conductive layer is connected the main circuit board
The main circuit and the accessory plate the auxiliary circuit；
One central processing unit is set to the main circuit board, and is electrically connected the main circuit；And
One apparatus for debugging is set to an at least accessory plate, and electrical auxiliary circuit in succession.
11. mainboard according to claim 10, which is characterized in that the apparatus for debugging is directly set at least one auxiliary
Plate.
12. mainboard according to claim 10, which is characterized in that the apparatus for debugging is set at least one auxiliary indirectly
Plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721634946.9U CN207612458U (en) | 2017-11-30 | 2017-11-30 | Mainboard and its circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721634946.9U CN207612458U (en) | 2017-11-30 | 2017-11-30 | Mainboard and its circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207612458U true CN207612458U (en) | 2018-07-13 |
Family
ID=62796921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721634946.9U Active CN207612458U (en) | 2017-11-30 | 2017-11-30 | Mainboard and its circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207612458U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113141745A (en) * | 2021-04-22 | 2021-07-20 | 京东方科技集团股份有限公司 | Display device |
-
2017
- 2017-11-30 CN CN201721634946.9U patent/CN207612458U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113141745A (en) * | 2021-04-22 | 2021-07-20 | 京东方科技集团股份有限公司 | Display device |
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