CN105242757A - Connection structure of tablet personal computer and base - Google Patents
Connection structure of tablet personal computer and base Download PDFInfo
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- CN105242757A CN105242757A CN201510760048.7A CN201510760048A CN105242757A CN 105242757 A CN105242757 A CN 105242757A CN 201510760048 A CN201510760048 A CN 201510760048A CN 105242757 A CN105242757 A CN 105242757A
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Abstract
The invention discloses a connection structure of a tablet personal computer and a base. Two identification (ID) pins on the tablet personal computer and the base are used for identification; when the tablet personal computer and the base are connected, a USB switcher identifies whether the tablet personal computer and the base are positively plugged or reversely plugged or not through the ID pins so as to make USB signals between the tablet personal computer and the base correctly connected according to the connection condition; and meanwhile, a base mainboard also identifies the connection state of the tablet personal computer and the base through the ID pins, and function switching in two states is achieved according to a judgment result. The connection structure for the tablet personal computer and the base, proposed by the invention, is reasonable in structural design; by the two ID pins, different states can be reported to the base mainboard during positive plug and reverse plug; a fixed element of the base mainboard can be used for identifying the positive plug state and the reverse plug state according to different levels, and then a part of functions are started or closed; and moreover, with the adoption of the USB switcher, the USB signals of the tablet personal computer and the base can be correctly connected.
Description
Technical field
The present invention relates to panel computer interconnection technique field, particularly relate to the syndeton of a kind of panel computer and base.
Background technology
Along with developing rapidly of panel computer equipment, more and more higher to the connection requirement of panel computer and other peripheral hardwares.Usual panel computer is mainly connected with usb signal with the signal between base for supporting, because usb signal is asymmetrical signals, directly oppositely insertion can cause base apparatus cannot by the problem of dull and stereotyped main frame identification, and panel computer only supports that forward inserts base for supporting, cannot support reverse insertion.In addition, the existing structure that can realize panel computer and base for supporting and oppositely insert, only switch usb signal, the connection realized therebetween uses, when the forward and reverse insertion of panel computer, base for supporting various functions all can use, therefore, when oppositely inserting, when user wishes the content on absorbed panel computer, the interference of keyboard and touch pad can be subject to, affect Consumer's Experience.
Summary of the invention
For solving the technical matters existed in background technology, the present invention proposes the syndeton of a kind of panel computer and base.
The syndeton of a kind of panel computer that the present invention proposes and base, comprising: panel computer, base;
Panel computer is provided with a POGO connector, and a POGO connector has two pin PIN-A1, PIN-A2, two earth terminals, two power connector ends, two signal output parts OUT-A1, OUT-A2; Pin PIN-A1 is by the first resistance eutral grounding, and pin PIN-A2 is by the second resistance eutral grounding, and the resistance of the first resistance is R1, and the resistance of the second resistance is that R2, R1 and R2 are unequal;
Base comprises the 2nd POGO connector, USB switch, base mainboard, 2nd POGO connector has two pin PIN-B1, PIN-B2, two earth terminals, two power connector ends, two signal input part IN-B1, IN-B2, two signal output parts OUT-B1, OUT-B2, pin PIN-B1 is unloaded, and pin PIN-B2 receives 3.3V by the 3rd resistance; USB switch has four signal input part IN-C1, IN-C2, IN-C3, IN-C4, two signal output part OUT-C1, OUT-C2, a pin PIN-C, and pin PIN-C is connected with pin PIN-B2; Base mainboard has a pin PIN-D, and pin PIN-D is connected with pin PIN-B2;
When panel computer and base are in the first connection status, pin PIN-A1 is connected with pin PIN-B1, pin PIN-A2 is connected with pin PIN-B2, signal output part OUT-A1 is connected with signal input part IN-B1, signal output part OUT-A2 is connected with signal input part IN-B2, signal input part IN-C1 and signal output part OUT-B1 communicates to connect, and signal input part IN-C2 and signal output part OUT-B2 communicates to connect;
When panel computer and base are in the second connection status, pin PIN-A1 is connected with pin PIN-B2, pin PIN-A2 is connected with pin PIN-B1, signal output part OUT-A1 is connected with signal input part IN-B2, signal output part OUT-A2 is connected with signal input part IN-B1, signal input part IN-C4 and signal output part OUT-B1 communicates to connect, and signal input part IN-C3 and signal output part OUT-B2 communicates to connect.
Preferably, R2 > 10R1.
Preferably, R1=0 ohm, R2=10 megohm.
Preferably, the resistance of the 3rd resistance is R3, R3=1 kilohm.
Preferably, USB switch adopts the SGM7227 chip of SGMirco.
Preferably, base mainboard is provided with usb signal Bridge chip.
In the present invention, the panel computer proposed and the syndeton of base, identified by two ID pins on panel computer and base, when panel computer is connected with base, USB switch is just inserting or anti-plug by identified pins identification panel computer and base, and according to the usb signal exact connect ion that this connection makes therebetween, simultaneously, base mainboard also by the connection status of identified pins identification panel computer and base, and switches according to the function that judged result realizes under two states.By the panel computer of above-mentioned optimal design and the syndeton of base, reasonable in design, utilize two ID pins, different states can be reported to base mainboard when positive and negative insertion, the firmware of base mainboard can according to the positive and negative insert state of varying level identification, then open or closed portion function, and utilize USB switch, make the usb signal of panel computer and base can exact connect ion.
Accompanying drawing explanation
Fig. 1 is panel computer that the present invention proposes syndeton schematic diagram when being connected with base forward.
Fig. 2 be the panel computer that proposes of the present invention and base Opposite direction connection time syndeton schematic diagram.
Embodiment
As illustrated in fig. 1 and 2, Fig. 1 is panel computer that the present invention proposes syndeton schematic diagram when being connected with base forward, Fig. 2 be the panel computer that proposes of the present invention and base Opposite direction connection time syndeton schematic diagram.
With reference to Fig. 1 and 2, the syndeton of a kind of panel computer that the present invention proposes and base, comprising: panel computer, base;
Panel computer is provided with POGO connector the 1, an one POGO connector 1 and has two pin PIN-A1, PIN-A2, two earth terminals, two power connector ends, two signal output parts OUT-A1, OUT-A2; Pin PIN-A1 is by the first resistance 5 ground connection, and pin PIN-A2 is by the second resistance 6 ground connection, and the resistance of the first resistance 5 is R1, and the resistance of the second resistance 6 is that R2, R1 and R2 are unequal.
Base comprises the 2nd POGO connector 2, USB switch (USBswitch) 3, base mainboard 4, 2nd POGO connector 2 has two pin PIN-B1, PIN-B2, two earth terminals, two power connector ends, two signal input part IN-B1, IN-B2, two signal output part OUT-B1, OUT-B2, pin PIN-B1 is unloaded, pin PIN-B2 receives 3.3V by the 3rd resistance 7, wherein, the resistance of the 3rd resistance 7 is R3, R3=1 kilohm, USB switch 3 adopts the SGM7227 chip of SGMirco, it has four signal input part IN-C1, IN-C2, IN-C3, IN-C4, two signal output part OUT-C1, OUT-C2, a pin PIN-C, pin PIN-C is connected with pin PIN-B2, base mainboard 4 has a pin PIN-D, pin PIN-D is connected with pin PIN-B2, and base mainboard 4 is provided with usb signal Bridge chip.
In specific design process, pin PIN-A1 is by the first resistance 5 ground connection, pin PIN-A2 is by the second resistance 6 ground connection, because the first resistance 5 is different with R2 with the resistance R1 of the second resistance 6, when pin PIN-B2 is connected from pin PIN-A1 and pin PIN-A2, the dividing potential drop of pin PIN-B2 is different, cause pin PIN-B2 electricity frequently different, realize the connection distinguishing pin PIN-B2 and pin PIN-A1 or pin PIN-B2 and pin PIN-A2, therefore for the ease of identifying the connection of pin PIN-B2 and pin PIN-A1 and pin PIN-A2, R1 and R2 is set to difference larger, preferably, R2 > 10R1, more preferably, R1=0 ohm, R2=10 megohm.
When panel computer is connected with base, there are following two kinds of situations:
As shown in Figure 1, when panel computer and base forward insert be connected time, pin PIN-A1 is connected with pin PIN-B1, pin PIN-A2 is connected with pin PIN-B2, signal output part OUT-A1 is connected with signal input part IN-B1, signal output part OUT-A2 is connected with signal input part IN-B2, now, USB switch according to the signal electricity of pin PIN-B2 frequently, judge that pin PIN-B2 is connected with pin PIN-A2, namely panel computer is connected with base forward, USB switch makes signal input part IN-C1 and signal output part OUT-B1 communicate to connect, signal input part IN-C2 and signal output part OUT-B2 communicates to connect, the positive and negative exact connect ion of usb signal of panel computer and base, ensure that between panel computer and base, signal is correctly connected, make panel computer can identify signal from base, meanwhile, base mainboard, also according to the report signal of pin PIN-B2, judges that panel computer is connected with base forward, according to the opening and closing of Product Definition various functions, and the usb signal that panel computer transmits is converted into the various functions of base, such as, in the specific implementation, when panel computer and base forward insert, base mainboard can supervisory keyboard, touch pad be opened, with panel computer with the use of.
As shown in Figure 2, when panel computer and base oppositely insert be connected time, pin PIN-A1 is connected with pin PIN-B2, pin PIN-A2 is connected with pin PIN-B1, signal output part OUT-A1 is connected with signal input part IN-B2, signal output part OUT-A2 is connected with signal input part IN-B1, now, USB switch according to the signal electricity of pin PIN-B2 frequently, judge that pin PIN-B2 is connected with pin PIN-A1, i.e. panel computer and base Opposite direction connection, USB switch makes signal input part IN-C4 and signal output part OUT-B1 communicate to connect, signal input part IN-C3 and signal output part OUT-B2 communicates to connect, avoid the usb signal Opposite direction connection of panel computer and base, ensure that between panel computer and base, signal is correctly connected, make panel computer can identify signal from base, meanwhile, base mainboard, also according to the report signal of pin PIN-B2, judges panel computer and base Opposite direction connection, according to the opening and closing of Product Definition various functions, and the usb signal that panel computer transmits is converted into the various functions of base, such as, in the specific implementation, when panel computer and base oppositely insert, base mainboard can supervisory keyboard, touch pad close, avoid its interference user use panel computer.
In a specific embodiment, base is arranged usb signal Bridge chip, when panel computer and base oppositely insert, due to the bridge chip practical function that the keyboard on base and touch pad are all by usb signal turn key dish, touch screen signal, therefore above-mentioned bridge chip built-in programmable firmware, need to carry out pre-programmed to bridge chip according to use, when the report signal of pin PIN-B2 is linked into the bridge chip on base mainboard, by software programming, can realize freely opening and closing keyboard and touch pad according to the state of dull and stereotyped inserted base.
In the present embodiment, the panel computer proposed and the syndeton of base, reasonable in design, utilize two ID pins, can report different states to base mainboard when positive and negative insertion, the firmware of base mainboard according to the positive and negative insert state of varying level identification, then can be opened or closed portion function, and utilize USB switch, make the usb signal of panel computer and base can exact connect ion.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (6)
1. a syndeton for panel computer and base, is characterized in that, comprising: panel computer, base;
Panel computer is provided with a POGO connector (1), and a POGO connector (1) has two pin PIN-A1, PIN-A2, two earth terminals, two power connector ends, two signal output parts OUT-A1, OUT-A2; Pin PIN-A1 is by the first resistance (5) ground connection, and pin PIN-A2 is by the second resistance (6) ground connection, and the resistance of the first resistance (5) is R1, and the resistance of the second resistance (6) is that R2, R1 and R2 are unequal;
Base comprises the 2nd POGO connector (2), USB switch (3), base mainboard (4), 2nd POGO connector (2) has two pin PIN-B1, PIN-B2, two earth terminals, two power connector ends, two signal input part IN-B1, IN-B2, two signal output parts OUT-B1, OUT-B2, pin PIN-B1 is unloaded, and pin PIN-B2 receives 3.3V by the 3rd resistance (7); USB switch (3) has four signal input part IN-C1, IN-C2, IN-C3, IN-C4, two signal output part OUT-C1, OUT-C2, a pin PIN-C, and pin PIN-C is connected with pin PIN-B2; Base mainboard (4) has a pin PIN-D, and pin PIN-D is connected with pin PIN-B2;
When panel computer and base are in the first connection status, pin PIN-A1 is connected with pin PIN-B1, pin PIN-A2 is connected with pin PIN-B2, signal output part OUT-A1 is connected with signal input part IN-B1, signal output part OUT-A2 is connected with signal input part IN-B2, signal input part IN-C1 and signal output part OUT-B1 communicates to connect, and signal input part IN-C2 and signal output part OUT-B2 communicates to connect;
When panel computer and base are in the second connection status, pin PIN-A1 is connected with pin PIN-B2, pin PIN-A2 is connected with pin PIN-B1, signal output part OUT-A1 is connected with signal input part IN-B2, signal output part OUT-A2 is connected with signal input part IN-B1, signal input part IN-C4 and signal output part OUT-B1 communicates to connect, and signal input part IN-C3 and signal output part OUT-B2 communicates to connect.
2. the syndeton of panel computer according to claim 1 and base, is characterized in that, R2 > 10R1.
3. the syndeton of panel computer according to claim 2 and base, is characterized in that, R1=0 ohm, R2=10 megohm.
4. the panel computer according to any one of claim 1-3 and the syndeton of base, is characterized in that, the resistance of the 3rd resistance (7) is R3, R3=1 kilohm.
5. the syndeton of panel computer according to claim 1 and base, is characterized in that, USB switch (3) adopts the SGM7227 chip of SGMirco.
6. the syndeton of panel computer according to claim 1 and base, is characterized in that, base mainboard (4) is provided with usb signal Bridge chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510760048.7A CN105242757A (en) | 2015-11-09 | 2015-11-09 | Connection structure of tablet personal computer and base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510760048.7A CN105242757A (en) | 2015-11-09 | 2015-11-09 | Connection structure of tablet personal computer and base |
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| Publication Number | Publication Date |
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| CN105242757A true CN105242757A (en) | 2016-01-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201510760048.7A Pending CN105242757A (en) | 2015-11-09 | 2015-11-09 | Connection structure of tablet personal computer and base |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106383797A (en) * | 2016-11-25 | 2017-02-08 | 深圳易方数码科技股份有限公司 | Equipment for identifying and controlling normal insertion and inverse insertion |
| CN107329918A (en) * | 2017-07-04 | 2017-11-07 | 深圳市亿道信息股份有限公司 | A kind of interface circuit that positive anti-plug is realized for tablet device and keyboard base |
| CN109856201A (en) * | 2019-01-18 | 2019-06-07 | 深圳和而泰数据资源与云技术有限公司 | Saliva detection device |
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| CN102298419A (en) * | 2011-09-02 | 2011-12-28 | 汉王科技股份有限公司 | Mobile terminal with double display screens |
| CN103779697A (en) * | 2012-10-19 | 2014-05-07 | 富士康(昆山)电脑接插件有限公司 | Plug electrical connector which can be inserted and connected forwardly and reversely and combination thereof |
| CN104238648A (en) * | 2013-06-19 | 2014-12-24 | 联想(北京)有限公司 | Information processing method and electronic device |
| CN104345794A (en) * | 2013-07-31 | 2015-02-11 | 和硕联合科技股份有限公司 | Electronic device, base and method for switching pin function of connector |
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2015
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102298419A (en) * | 2011-09-02 | 2011-12-28 | 汉王科技股份有限公司 | Mobile terminal with double display screens |
| CN103779697A (en) * | 2012-10-19 | 2014-05-07 | 富士康(昆山)电脑接插件有限公司 | Plug electrical connector which can be inserted and connected forwardly and reversely and combination thereof |
| CN104238648A (en) * | 2013-06-19 | 2014-12-24 | 联想(北京)有限公司 | Information processing method and electronic device |
| CN104345794A (en) * | 2013-07-31 | 2015-02-11 | 和硕联合科技股份有限公司 | Electronic device, base and method for switching pin function of connector |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106383797A (en) * | 2016-11-25 | 2017-02-08 | 深圳易方数码科技股份有限公司 | Equipment for identifying and controlling normal insertion and inverse insertion |
| CN106383797B (en) * | 2016-11-25 | 2023-12-26 | 深圳易方数码科技股份有限公司 | Equipment for positive and negative plug identification control |
| CN107329918A (en) * | 2017-07-04 | 2017-11-07 | 深圳市亿道信息股份有限公司 | A kind of interface circuit that positive anti-plug is realized for tablet device and keyboard base |
| CN107329918B (en) * | 2017-07-04 | 2023-11-17 | 深圳市亿道信息股份有限公司 | Interface circuit for realizing forward and reverse insertion of tablet equipment and keyboard base |
| CN109856201A (en) * | 2019-01-18 | 2019-06-07 | 深圳和而泰数据资源与云技术有限公司 | Saliva detection device |
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Application publication date: 20160113 |