CN101976770B - Board-to-board connector, mobile phone thereof and implementation method - Google Patents
Board-to-board connector, mobile phone thereof and implementation method Download PDFInfo
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- CN101976770B CN101976770B CN 201010518623 CN201010518623A CN101976770B CN 101976770 B CN101976770 B CN 101976770B CN 201010518623 CN201010518623 CN 201010518623 CN 201010518623 A CN201010518623 A CN 201010518623A CN 101976770 B CN101976770 B CN 101976770B
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 230000011664 signaling Effects 0.000 claims description 20
- 238000002955 isolation Methods 0.000 abstract description 3
- 230000015556 catabolic process Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
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Abstract
The invention discloses a board-to-board connector, a mobile phone thereof and an implementation method, and the connector is arranged between a keyboard board of the mobile phone and a mainboard of the mobile phone, wherein a battery voltage signal pin and a power-on key signal pin of the mobile phone are in adjacent arrangement on the connector, and an empty signal pin is arranged between the two signal pins and other signal pins. As the technical means of carrying out the adjacent arrangement of the signal pins with the similar level is adopted, the phenomena of breakdown and short-circuit are difficult to happen due to the similar level; furthermore, the empty signal pin is increased between the high level signal pins and the low level signal pins for isolation, thereby reducing the risk of causing the signal short circuit of electronic products in specific environments, such as high temperature, high humidity and the like to the maximum extent and further improving the use safety of users.
Description
Technical field
The present invention relates to plate to plate-type connector and field of mobile phones thereof, in particular, what improvement related to is a kind of board to board connector and mobile phone and implementation method that prevents signal shorts.
Background technology
In the multiple electronic products such as mobile phone, often need the signal between a plurality of circuit boards is interconnected, for example, the finger-board of mobile phone and the signal between cell phone mainboard are connected etc.Board to board connector is exactly a signal connected mode that comparatively generally adopts.
But along with the miniaturization gradually of electronic product, the volume of institute's use components and parts is more and more less in it, and thickness is also more and more thinner, makes on board to board connector the spacing between the adjacent signals pin also just more and more less.At some in particular cases, during such as use electronic product under hot and humid environment, its inside can produce some steam unavoidably, cause between the metal pins of connector existence due to steam to be short-circuited situation that heating even burns, thus greatly reduce the fail safe that the user uses.
Therefore, prior art still haves much room for improvement and develops.
Summary of the invention
The object of the invention is to, a kind of board to board connector and mobile phone thereof and implementation method are provided, can reduce the risk that occurs signal shorts under the particular surroundings such as hot and humid when connector uses, improve the security performance that electronic product uses.
Technical scheme of the present invention is as follows:
A kind of board to board connector is arranged between cell phone keyboard plate and cell phone mainboard, wherein: the battery voltage signal pin on connector and the adjacent setting of mobile phone power-on key signals pin, and and the ground signalling pin between the spacing wave pin is set.
Described board to board connector, wherein: the battery voltage signal pin is positioned at the edge of connector, spacing wave pin and the adjacent setting of mobile phone power-on key signals pin.
Described board to board connector, wherein: mobile phone power-on key signals pin is positioned at the edge of connector, the setting adjacent with the battery voltage signal pin of spacing wave pin.
Described board to board connector, wherein: the ground signalling pin is arranged between spacing wave pin and key-press backlight modulating signal pin.
Described board to board connector, wherein: key-press backlight modulating signal pin is arranged on the same side of battery voltage signal pin and mobile phone power-on key signals pin.
A kind of mobile phone, comprise cell phone keyboard plate and cell phone mainboard, be provided with plate to the connector of plate, wherein between cell phone keyboard plate and cell phone mainboard: the battery voltage signal pin on connector and the adjacent setting of mobile phone power-on key signals pin, and and the ground signalling pin between the spacing wave pin is set.
A kind of method that realizes board to board connector on mobile phone wherein, comprises the following steps:
With the battery voltage signal pin on connector and the adjacent setting of mobile phone power-on key signals pin;
With the spacing wave pin, battery voltage signal pin and mobile phone power-on key signals pin and ground signalling pin are isolated.
The described method that realizes board to board connector on mobile phone, wherein: the edge that battery voltage signal pin or mobile phone power-on key signals pin is arranged on connector.
The described method that realizes board to board connector on mobile phone, wherein: between spacing wave pin and key-press backlight modulating signal pin, the ground signalling pin is set.
The described method that realizes board to board connector on mobile phone, wherein: the same side at battery voltage signal pin and mobile phone power-on key signals pin arranges key-press backlight modulating signal pin.
A kind of board to board connector provided by the present invention and mobile phone and implementation method, technological means due to the adjacent setting of signal pins of having adopted close level, therefore because of the close difficult generation puncture short phenomenon of level, and increase spacing wave pin is isolated between high level signal pin and low level signal pin, farthest reduce electronic product and the risk of signal shorts occurred in the particular surroundings such as hot and humid, thereby improved the fail safe that the user uses.
Description of drawings
Fig. 1 is the board to board connector schematic diagram on cell phone mainboard in prior art;
Fig. 2 is the board to board connector wiring diagram on cell phone mainboard in prior art;
Fig. 3 is the board to board connector schematic diagram on cell phone mainboard in the present invention;
Fig. 4 is the board to board connector wiring diagram on cell phone mainboard in the present invention.
Embodiment
Below with reference to accompanying drawing, the specific embodiment of the present invention and embodiment are described in detail, described specific embodiment only in order to explain the present invention, is not for limiting the specific embodiment of the present invention.
A kind of board to board connector of the present invention and mobile phone thereof, one of its embodiment, to be arranged on connector between cell phone keyboard plate and cell phone mainboard as example, the cell phone keyboard plate is an independently circuit board, and its signal can be connected with cell phone mainboard by board to board connector; Schematic diagram as shown in accompanying drawing 3 and 4, the cell voltage VBAT signal pins 20 on this connector and the 19 adjacent settings of mobile phone power-on key PWRKEY signal pins, and and other signal pins 17,16,15 etc. between a spacing wave pin 18 is set at least.
Because cell voltage VBAT signal pins is the voltage of battery of mobile phone, voltage is higher, and between 3.2V～4.2V, for other signal pins, cell voltage VBAT signal pins belongs to large voltage signal pin usually; Adding key-press backlight lamp KEY_LED signal pins is the key-press backlight source of cell phone keyboard plate, and electric current is larger, is generally tens milliamperes of left and right, and for other signal pins, key-press backlight lamp KEY_LED signal pins belongs to large current signal pin; So for EMC (the Electro Magnetic Compatibility that can guarantee product; Electro Magnetic Compatibility) performance and EMI (Electromagnetic Interference; electromagnetic interference) performance all can adopt the ground signalling pin to protect near large voltage signal pin and large current signal pin in prior art usually.
So, typical board to board connector in prior art, schematic diagram as shown in Figure 1, cell voltage VBAT signal pins 19 on this connector and the 17 adjacent settings of key-press backlight lamp KEY_LED signal pins, and between cell voltage VBAT signal pins 19 and key-press backlight lamp KEY_LED signal pins 17, and and other pins between can pass through ground signalling pin 20,18 and 16 mutually isolation arrange.As shown in Figure 2, can see the display case of connector on cell phone mainboard, as seen signal pins 1 to 20 has four pins 1,10,11,20 to be distributed in the connector apparatus ragged edge by distributing clockwise, only adjacent with a pin.
normal conditions, shown in accompanying drawing 1 in prior art typical board to board connector can not bring what EMC and EMI problem, but, needs due to product structure design, when board to board connector is replaced by less thinner components and parts, in the situation that the signal pins number on connector is constant, spacing between the adjacent signals pin also will diminish thereupon, for example, spacing is little of the 0.17mm left and right, when carrying out the hot and humid environment test, if there are the impurity such as steam between the adjacent signals pin, between the larger signal pins of voltage pressure reduction, punch-through very easily occurs, be between the ground signalling pin 20 or 18 that is adjacent of the cell voltage VBAT signal pins 19 shown in accompanying drawing 2, the phenomenon that very easily is short-circuited and burns, thereby cause the mobile phone can't normal boot-strap, same problem also can appear between the ground signalling pin 16 that mobile phone power-on key PWRKEY signal pins 19 is adjacent.
and the board to board connector in the present invention shown in accompanying drawing 3, carry out hot and humid environment when test when being replaced by less thinner components and parts, even there are the impurity such as steam between the adjacent signals pin, but, owing to having increased spacing wave pin 18 between the larger signal pins of voltage pressure reduction, equaled to strengthen exponentially the distance between the larger signal pins of voltage pressure reduction, for example, spacing is increased to the 0.34mm left and right, therefore effectively avoided between the larger signal pins of voltage pressure reduction, punch-through occuring, be between the ground signalling pin 17 that is adjacent of the mobile phone power-on key PWRKEY signal pins 19 shown in accompanying drawing 4, because of the distance phenomenon that is difficult to be short-circuited and burns more greatly, and between the mobile phone power-on key PWRKEY signal pins 19 that cell voltage VBAT signal pins 20 is adjacent, also be difficult to the phenomenon that is short-circuited and burns because voltage is close, thereby prevented the signal shorts of board to board connector, farthest reduce electronic product and the risk of signal shorts occurred in the particular surroundings such as hot and humid, improved the fail safe that the user uses.
simultaneously, also have with prior art board to board connector difference to be a bit, as shown in Figure 3, mobile phone power-on key PWRKEY signal pins 19 and the 20 adjacent settings of cell voltage VBAT signal pins in board to board connector of the present invention, this be because, when key is not pressed, its voltage also equals cell voltage VBAT, so with itself and the 20 adjacent settings of cell voltage VBAT signal pins, occur the risk of signal shorts in the particular surroundings such as hot and humid except can farthest having reduced equally electronic product, compare with typical board to board connector in prior art shown in accompanying drawing 1, board to board connector shown in accompanying drawing 3 in the present invention can also be saved the quantity of ground line signals pin, the signal that level differences is larger is fully isolated, the quantity of ground signalling pin has reduced again one simultaneously, but still have four grounded signal pins, still have enough ground signalling number of pins on connector, thereby make and to utilize more signal pins to carry out sufficient signal between Mobile phone key panel and cell phone mainboard to be connected, and improved the electric property of product from circuit.
As seen, board to board connector of the present invention and mobile phone thereof are considered the signal pins distribution of board to board connector is optimized, in the situation that guarantee circuit reliability from many aspects, farthest avoid the risk of signal shorts under particular surroundings, thereby improve the fail safe that the user uses.
Based on this kind board to board connector and mobile phone thereof, the invention allows for a kind of method that realizes board to board connector on mobile phone, not only proposed to arrange according to signal level difference size reasonable the position relationship of each signal pins, but also proposed to utilize the architectural characteristic of board to board connector, important signal pins is arranged in the marginal position of connector, the technique that simultaneously the high-low level signal is separated with the spacing wave pin; The method comprises the following steps:
With the cell voltage VBAT signal pins 20 on connector and the 19 adjacent settings of mobile phone power-on key PWRKEY signal pins; And, with spacing wave pin 18, cell voltage VBAT signal pins 20 and mobile phone power-on key PWRKEY signal pins 19 are isolated with other signal pins 17,16,15.
In the preferred implementation of board to board connector of the present invention and mobile phone and implementation method, connector can comprise an adaptive male seat and a female seat mutually, and during assembling, male seat and female seat fasten mutually, and signal is corresponding one by one; Diagram is the circuit setting of the board to board connector on cell phone mainboard, and the circuit setting of the board to board connector on Mobile phone key panel is identical therewith, does not repeat them here.
Be preferably, cell voltage VBAT signal pins 20 or mobile phone power-on key PWRKEY signal pins 19 be arranged on the edge of connector; Wherein, a kind of situation is that cell voltage VBAT signal pins 20 is positioned at the edge of connector, as shown in Figure 4, be the edge that cell voltage VBAT signal pins 20 is positioned at male seat or female seat, spacing wave pin 18 and the 19 adjacent settings of mobile phone power-on key PWRKEY signal pins; Another kind of situation is, mobile phone power-on key PWRKEY signal pins 19 is positioned at the edge of connector, and namely mobile phone power-on key PWRKEY signal pins 19 is positioned at the edge of male seat or female seat, spacing wave pin 18 and the 20 adjacent settings of cell voltage VBAT signal pins.
Further, between spacing wave pin 18 and other signal pins such as key-press backlight modulating signal pin 16, ground signalling pin 17 is set, namely ground signalling pin 17 is arranged between spacing wave pin 18 and other signal pins such as key-press backlight modulating signal pin 16.
Be preferably, the same side in cell voltage VBAT signal pins 20 and mobile phone power-on key PWRKEY signal pins 19 arranges key-press backlight modulating signal pin 16, and namely key-press backlight modulating signal pin 16 is arranged on the same side of cell voltage VBAT signal pins 20 and mobile phone power-on key PWRKEY signal pins 19.Although the electric current of key-press backlight modulating signal pin 16 is larger, voltage is not high, generally only has about 1.1V, therefore when carrying out the hot and humid environment test, between itself and adjacent ground signalling pin 17 and 15 and be not easy to occur the puncture short phenomenon.
To sum up, plate of the present invention to connector for substrate and mobile phone and implementation method, consider by aspects such as structure, circuit, can comprehensively adopt three kinds of measures to carry out circuit optimization, farthest utilize limited signal pins quantity:
At first, consider the signal placed adjacent with close level, in so designing, with cell voltage VBAT signal pins 20 and mobile phone power-on key PWRKEY signal pins 19 placed adjacent, their level are close, are difficult for occuring the puncture short phenomenon;
The second, increase a spacing wave pin 18 between high level signal and low level signal, so just increased the spacing of high-low level pin exponentially, having ensured between the high-low level signal has enough large spacing;
The 3rd, utilize the specific position of device edge, high level signal is arranged on connector edge, as cell voltage VBAT signal pins 20 or mobile phone power-on key PWRKEY signal pins 19, design only need take a signal pins as the spacing wave pin 18 between isolation high-low level signal like this.
Through evidence, after board to board connector has adopted the circuit design after optimization, do again the hot and humid environment test with mobile phone, do not find the abnormal failures such as short circuit, illustrate that this design is really effectively.The advantage of this design: not only do not increase cost, implement more simple and practical, be widely used in the solution of Similar Problems in various electronic products.
Should be understood that; the above is only preferred embodiment of the present invention; be not sufficient to limit technical scheme of the present invention; for those of ordinary skills; within the spirit and principles in the present invention; can be increased and decreased according to the above description, replacement, conversion or improvement, and all these increases and decreases, replacement, conversion or improve after technical scheme, all should belong to the protection range of claims of the present invention.
Claims (10)
1. a board to board connector, be arranged between cell phone keyboard plate and cell phone mainboard, it is characterized in that: the battery voltage signal pin on connector and the adjacent setting of mobile phone power-on key signals pin, and and the ground signalling pin between the spacing wave pin is set.
2. board to board connector according to claim 1, it is characterized in that: the battery voltage signal pin is positioned at the edge of connector, spacing wave pin and the adjacent setting of mobile phone power-on key signals pin.
3. board to board connector according to claim 1, it is characterized in that: mobile phone power-on key signals pin is positioned at the edge of connector, the setting adjacent with the battery voltage signal pin of spacing wave pin.
4. board to board connector according to claim 1, it is characterized in that: the ground signalling pin is arranged between spacing wave pin and key-press backlight modulating signal pin.
5. board to board connector according to claim 1, it is characterized in that: key-press backlight modulating signal pin is arranged on the same side of battery voltage signal pin and mobile phone power-on key signals pin.
6. mobile phone, comprise cell phone keyboard plate and cell phone mainboard, be provided with plate to the connector of plate between cell phone keyboard plate and cell phone mainboard, it is characterized in that: the battery voltage signal pin on connector and the adjacent setting of mobile phone power-on key signals pin, and and the ground signalling pin between the spacing wave pin is set.
7. a method that realizes board to board connector on mobile phone, is characterized in that, comprises the following steps:
With the battery voltage signal pin on connector and the adjacent setting of mobile phone power-on key signals pin;
With the spacing wave pin, battery voltage signal pin and mobile phone power-on key signals pin and ground signalling pin are isolated.
8. realize according to claim 7 the method for board to board connector on mobile phone, it is characterized in that: the edge that battery voltage signal pin or mobile phone power-on key signals pin is arranged on connector.
9. realize according to claim 7 the method for board to board connector on mobile phone, it is characterized in that: between spacing wave pin and key-press backlight modulating signal pin, the ground signalling pin is set.
10. realize according to claim 7 the method for board to board connector on mobile phone, it is characterized in that: the same side at battery voltage signal pin and mobile phone power-on key signals pin arranges key-press backlight modulating signal pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010518623 CN101976770B (en) | 2010-10-19 | 2010-10-19 | Board-to-board connector, mobile phone thereof and implementation method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010518623 CN101976770B (en) | 2010-10-19 | 2010-10-19 | Board-to-board connector, mobile phone thereof and implementation method |
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| Publication Number | Publication Date |
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| CN101976770A CN101976770A (en) | 2011-02-16 |
| CN101976770B true CN101976770B (en) | 2013-11-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11566964B2 (en) | 2018-10-10 | 2023-01-31 | Huawei Technologies Co., Ltd. | Water ingress detection method and circuit, and electric device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114442740B (en) * | 2020-11-04 | 2023-11-21 | 精英电脑股份有限公司 | Power supply module |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1787292A (en) * | 2004-12-08 | 2006-06-14 | 鸿富锦精密工业（深圳）有限公司 | Plate to plate connector assembly |
| CN201937037U (en) * | 2010-10-19 | 2011-08-17 | 惠州Tcl移动通信有限公司 | Board-to-board connector and mobile telephone thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20090032228A (en) * | 2007-09-27 | 2009-04-01 | 엘지이노텍 주식회사 | Camera module |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1787292A (en) * | 2004-12-08 | 2006-06-14 | 鸿富锦精密工业（深圳）有限公司 | Plate to plate connector assembly |
| CN201937037U (en) * | 2010-10-19 | 2011-08-17 | 惠州Tcl移动通信有限公司 | Board-to-board connector and mobile telephone thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11566964B2 (en) | 2018-10-10 | 2023-01-31 | Huawei Technologies Co., Ltd. | Water ingress detection method and circuit, and electric device |
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| CN101976770A (en) | 2011-02-16 |
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