CN106383797A - Equipment for identifying and controlling normal insertion and inverse insertion - Google Patents
Equipment for identifying and controlling normal insertion and inverse insertion Download PDFInfo
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- CN106383797A CN106383797A CN201611061693.0A CN201611061693A CN106383797A CN 106383797 A CN106383797 A CN 106383797A CN 201611061693 A CN201611061693 A CN 201611061693A CN 106383797 A CN106383797 A CN 106383797A
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- 238000003780 insertion Methods 0.000 title claims abstract description 58
- 230000037431 insertion Effects 0.000 title claims abstract description 46
- 230000005389 magnetism Effects 0.000 claims abstract description 17
- 238000001514 detection method Methods 0.000 claims description 18
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 2
- 101000941170 Homo sapiens U6 snRNA phosphodiesterase 1 Proteins 0.000 description 6
- 102100031314 U6 snRNA phosphodiesterase 1 Human genes 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000005355 Hall effect Effects 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005288 electromagnetic effect Effects 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/10—Program control for peripheral devices
- G06F13/105—Program control for peripheral devices where the programme performs an input/output emulation function
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1662—Details related to the integrated keyboard
- G06F1/1669—Detachable keyboards
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/64—Means for preventing incorrect coupling
- H01R13/641—Means for preventing incorrect coupling by indicating incorrect coupling; by indicating correct or full engagement
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- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Input From Keyboards Or The Like (AREA)
Abstract
The embodiment of the invention provides equipment for identifying and controlling normal insertion and inverse insertion. The equipment comprises an interface male base, an interface female base, an inverse insertion recognition magnet, a Hall switch and a logic controller, wherein the Hall switch is connected with the logic controller; the logic controller is respectively connected with the interface male base and the interface female base; when the Hall switch does not detect magnetism, a high level signal is generated, so that the logic controller communicates a USB interface, connected with keys of a keyboard, with a channel of a CPU of a tablet PC and controls the USB Hub of the USB interface of a keyboard side to be communicated with a channel of the CPU of the tablet PC; and when the Hall switch detects the magnetism, a low level signal is generated, so that the logic controller disconnects the USB interface, connected with the keys of the keyboard, with the channel of the CPU of the tablet PC and controls the USB Hub of the USB interface of the keyboard side to be communicated with the channel of the CPU of the tablet PC. Therefore, identification and control on normal insertion and inverse insertion of a two-in-one computer are realized.
Description
Technical Field
The invention relates to the field of machinery and computers, in particular to a device for identifying and controlling positive and negative insertion.
Background
With the continuous development of society, the development of a two-in-one tablet computer as a device with good portability is rapid, and the specific two-in-one tablet computer is formed by combining a tablet computer and a keyboard, and the tablet computer and the keyboard can be combined and separated.
Specifically, when the tablet computer is inserted into the keyboard, two-in-one combination is desirable
Synthesizing into a notebook shape; when the tablet computer is inserted backwards onto the keyboard, it is desirable that the keyboard acts as a stand to support the tablet computer to free both hands.
However, there is no device that can effectively perform the positive and negative insertion recognition control of the two-in-one computer.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a device for identifying and controlling positive and negative insertion.
Specifically, the present invention proposes the following specific examples:
the embodiment of the invention provides a device for identifying and controlling positive and negative insertion, which is used for identifying and controlling the connection mode of a tablet personal computer and a keyboard, and comprises:
the interface device comprises a male interface seat positioned at a keyboard end, a female interface seat positioned at a tablet personal computer end, a reverse-insertion identification magnet positioned at one side of a keyboard, a Hall switch positioned at the tablet personal computer end and a logic controller positioned at the tablet personal computer end;
the polarity of the interface male seat and the polarity of the interface female seat are bilaterally symmetrical; the reverse insertion identification magnet corresponds to the Hall switch when the keyboard is reversely inserted into the tablet personal computer;
the Hall switch is connected with the logic controller;
the logic controller is respectively connected with the interface male seat and the interface female seat;
when the Hall switch does not detect magnetism, a high level signal is generated, so that the logic controller enables the USB port connected with the keyboard key to be communicated with the channel of the CPU of the tablet computer, and controls the USB Hub of the USB port at the keyboard end to be communicated with the channel of the CPU of the tablet computer;
when the Hall switch detects magnetism, a low level signal is generated, so that the logic controller disconnects the USB port connected with the keyboard key from the channel of the CPU of the tablet computer, and controls the USB Hub of the USB port at the keyboard end to be communicated with the channel of the CPU of the tablet computer.
In a specific embodiment, the interface male socket is: POGO male base; the interface female seat is a POGO female seat; wherein,
the POGO male seat corresponds to the POGO female seat.
In a specific embodiment, the hall switch comprises: the reverse insertion identification Hall switch and the opening and closing cover detection Hall switch;
the reverse insertion identification magnet corresponds to the reverse insertion identification Hall switch when the keyboard is reversely inserted into the tablet personal computer.
In a specific embodiment, the method further comprises the following steps: opening and closing the cover magnet; the opening and closing cover detection Hall switch corresponds to the opening and closing cover magnet when the keyboard is inserted into the tablet personal computer.
In a specific embodiment, the reverse-insertion identification hall switch is arranged on one side of the tablet computer, and the opening and closing cover detection hall switch is arranged on the other side of the tablet computer; the reverse insertion identification Hall switch and the opening and closing cover detection Hall switch are distributed on the Y axis of the tablet personal computer.
In a specific embodiment, the logic controller comprises a first switch, a second switch, a third switch, an inverter, and a tablet mode switch; wherein,
the first switch is provided with an S pin and an OE pin, and when the S pin and the OE pin are both low level, the first switch is connected;
the second switch is provided with an S pin and an OE pin, and when the S pin and the OE pin are both in a low level, the second switch is connected;
when the third switch receives a high level signal, the third switch is connected;
the first switch is used for a CPU (central processing unit) and a tablet personal computer of a keyboard, an S pin of the first switch is connected with the opening and closing cover detection Hall switch through an inverter, and an OE pin of the first switch is connected with the third switch;
the second switch is used for connecting a USB port of a keyboard and a tablet personal computer, an S pin of the second switch is connected with the reverse-insertion identification Hall switch through an inverter, and an OE pin of the second switch is connected with the third switch;
the third switch is used for connecting the tablet personal computer, the reverse plug identification Hall switch, the first switch, the second switch and the tablet personal computer mode conversion switch;
the tablet computer mode conversion switch is connected with the tablet computer.
In a specific embodiment, the apparatus further comprises: a rotating shaft assembly; wherein, the rotating shaft component is connected to the keyboard; the interface male seat is arranged on the rotating shaft assembly.
In a specific embodiment, the pivot assembly is removably connected to the keyboard.
In a specific embodiment, the apparatus further comprises: the rotating shaft plug is positioned at the keyboard end, and the slot is positioned at the tablet personal computer end; the rotating shaft bolt corresponds to the slot;
the rotating shaft bolt is arranged on the rotating shaft assembly.
In a specific embodiment, the apparatus further comprises: the first magnetic attraction magnet is positioned at the keyboard end, and the second magnetic attraction magnet is positioned at the tablet personal computer end; the first magnetic attraction magnet corresponds to the second magnetic attraction magnet;
the first magnetic attraction magnet is arranged on the rotating shaft component.
Therefore, the embodiment of the invention provides a device for identifying and controlling a front plug-in and a back plug-in, which is used for identifying and controlling a connection mode of a tablet computer and a keyboard, and comprises: the interface device comprises a male interface seat positioned at a keyboard end, a female interface seat positioned at a tablet personal computer end, a reverse-insertion identification magnet positioned at one side of a keyboard, a Hall switch positioned at the tablet personal computer end and a logic controller positioned at the tablet personal computer end; the polarity of the interface male seat and the polarity of the interface female seat are bilaterally symmetrical; the reverse insertion identification magnet corresponds to the Hall switch when the keyboard is reversely inserted into the tablet personal computer; the Hall switch is connected with the logic controller; the logic controller is respectively connected with the interface male seat and the interface female seat; when the Hall switch does not detect magnetism, a high level signal is generated, so that the logic controller enables the USB port connected with the keyboard key to be communicated with the channel of the CPU of the tablet computer, and controls the USB Hub of the USB port at the keyboard end to be communicated with the channel of the CPU of the tablet computer; when the Hall switch detects magnetism, a low level signal is generated, so that the logic controller disconnects the USB port connected with the keyboard key from the channel of the CPU of the tablet computer, and controls the USB Hub of the USB port at the keyboard end to be communicated with the channel of the CPU of the tablet computer. Therefore, the identification and control of the positive and negative insertion of the two-in-one computer are realized.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a device for forward and reverse insertion identification control according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a device for forward and reverse insertion identification control according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a device for forward/reverse insertion recognition control according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a device for forward/reverse insertion recognition control according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a device for forward and reverse insertion identification control according to an embodiment of the present invention.
Description of the figures
1: interface male seat
2: interface female seat
3: reverse insertion identification magnet 31: magnet for opening and closing cover
4: the hall switch 41: reverse insertion identification hall switch 42: hall switch for detecting opening and closing cover
5: logic controller
51: first switch 52: second switch 53: third switch
54: inverter 55: panel computer mode conversion switch
6: the rotating shaft component 61: the rotating shaft bolt 62: inserting groove
63: first magnetic attraction magnet 64: second magnetic attraction magnet
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
The invention is described in further detail below with reference to examples and figures:
example 1
Embodiment 1 of the present invention provides a device for forward and backward insertion identification control, which is used for identifying and controlling a connection mode between a tablet computer and a keyboard, and as shown in fig. 1 and 2, the device includes:
the keyboard comprises a male interface seat 1 at a keyboard end, a female interface seat 2 at a tablet personal computer end, a reverse-insertion identification magnet 3 at one side of a keyboard, a Hall switch 4 at the tablet personal computer end and a logic controller 5 at the tablet personal computer end;
the polarity of the interface male seat 1 and the polarity of the interface female seat 2 are bilaterally symmetrical; the reverse insertion identification magnet 3 corresponds to the Hall switch 4 when the keyboard is reversely inserted into the tablet personal computer;
the Hall switch 4 is connected with the logic controller 5;
the logic controller 5 is respectively connected with the interface male seat 1 and the interface female seat 2;
when the Hall switch 4 does not detect magnetism, a high level signal is generated, so that the logic controller 5 communicates the USB port connected with the keyboard key with the channel of the CPU of the tablet computer, and controls the USB Hub of the USB port at the keyboard end to communicate with the channel of the CPU of the tablet computer;
when the Hall switch 4 detects magnetism, a low level signal is generated, so that the logic controller 5 disconnects the USB port connected with the keyboard key from the channel of the CPU of the tablet computer, and controls the USB Hub of the USB port at the keyboard end to be communicated with the channel of the CPU of the tablet computer.
Specifically, interface public seat and interface female seat are connected with keyboard and panel computer's internal circuit or equipment respectively, and interface public seat and interface female seat correspond the setting between two parties, and is concrete, and USB mouth and keyboard CPU can be connected to interface public seat, and wherein, the USB mouth is used for carrying out data transmission, and keyboard CPU is used for controlling the keyboard, decides whether the keyboard normally works. The interface female seat can be connected with a CPU of the tablet computer, and then the tablet computer is controlled subsequently.
In a specific embodiment, the interface male socket 1 is: POGO male base; the interface female seat 2 is a POGO female seat; wherein,
the POGO male seat corresponds to the POGO female seat.
Specifically, the PIN definition of POGO makes a USB D + D-signal line into a symmetrical design, specifically defined as a female socket (GND + D _ VCC D + D-ID) and a male socket (GND + D _ VCC D + D-GND).
In a specific embodiment, the hall switch 4 includes: a reverse plug identification hall switch 41 and a cover opening and closing detection hall switch 42;
the reverse insertion identification magnet corresponds to the reverse insertion identification Hall switch when the keyboard is reversely inserted into the tablet personal computer.
Specifically, the hall switch is manufactured based on the hall effect, and the hall effect is one of the electromagnetic effects, which is embodied as: when a current passes through a conductor perpendicular to an external magnetic field, carriers are deflected, an additional electric field is generated perpendicular to the direction of the current and the magnetic field, and thus a potential difference is generated at two ends of the conductor, which is called a hall effect.
In a specific embodiment, as shown in fig. 2, the method further includes: a lid opening and closing magnet 31; the open-close cover detection hall switch 42 corresponds to the open-close cover magnet 31 when the keyboard is inserted into the tablet personal computer.
Specifically, the structure of the device for forward and backward interpolation identification control in the present embodiment may be as shown in fig. 1 or as shown in fig. 2.
In the solution of fig. 1, the two hall switches are on the same Y-axis, whereas in the solution of fig. 2, the two magnets are on the same Y-axis.
Specifically, as shown in fig. 2, the cover opening and closing magnet 31 may be disposed on a side of the keyboard close to the touch panel; the reverse insertion identification magnet is arranged on the rotating shaft component and can be positioned on the same Y axis with the opening and closing cover magnet; therefore, if the screen of the tablet computer is in contact with the plane of the keyboard during the normal insertion, the cover opening and closing detection hall switch 42 will detect the magnetism of the cover opening and closing magnet 31, but will not detect the magnetism when the tablet computer is opened.
In a specific embodiment, the reverse-insertion identification hall switch 41 may be disposed on one side of the tablet computer, and the open-close cover detection hall switch 42 is disposed on the other side of the tablet computer; the reverse insertion identification hall switch 41 and the opening and closing cover detection hall switch 42 are distributed on the Y axis of the tablet computer.
In a specific embodiment, the logic controller 5 includes a first switch 51, a second switch 52, a third switch 53, an inverter 54, a tablet mode switch (shown as USB ID) 55; wherein,
the first switch 51 is provided with an S pin and an OE pin, and when the S pin and the OE pin are both low level, the first switch 51 is connected;
the second switch 52 has an S pin and an OE pin, and when both the S pin and the OE pin are low, the second switch is turned on;
when the third switch 53 receives a high level signal, the third switch 53 is turned on;
the first switch 51 is used for a CPU and a tablet personal computer of a keyboard, an S pin of the first switch 51 is connected with the cover opening and closing detection Hall switch 42 through an inverter 54, and an OE pin of the first switch 51 is connected with the third switch 53;
the second switch 52 is used for connecting a USB port of a keyboard and a tablet personal computer, an S pin of the second switch 52 is connected with the reverse-insertion identification Hall switch 41 through an inverter 54, and an OE pin of the second switch 52 is connected with the third switch 53;
the third switch 53 is used for connecting the tablet computer, the reverse plug identification hall switch 41, the first switch 51, the second switch 52 and the tablet computer mode conversion switch 55;
the tablet mode switch 55 is connected to the tablet.
In particular, the tablet mode switch 55, in one embodiment, may be implemented by a USB ID,
thus, in one embodiment, a positive and negative insertion identification control apparatus may be as shown in FIG. 2.
Therefore, when the panel and the keyboard are inserted into the cover, the USB signal of the keyboard CPU is correspondingly connected with the signal path of the USB1 at the flat end, the USB signal of the USB port of the keyboard is correspondingly connected with the signal path of the USB2 at the panel end, and the USB ID sends low level signals to the first switch, the second switch and the third switch. Under the condition, the opening and closing cover detection Hall switch and the reverse insertion identification Hall switch do not detect magnetism of the magnet, the opening and closing cover detection Hall switch outputs a high-level signal, one path of the high-level signal is directly sent to IO of a panel CPU, the panel IO receives the high level signal and then is considered to be in a normal working state, the other path of the high-level signal is sent to a first switch on a USB1 channel through an inverter, the switch is connected and switched on when an S pin and an OE pin of the first switch are both in a low level, and the keyboard CPU and the panel USB1 channel are normally connected.
Specifically, the inverter functions as: when receiving a high level signal, outputting a low level signal; when receiving a low level signal, a high level signal is output.
The reverse plug identification Hall switch outputs a high level signal, one path of the high level signal is directly sent to the USB ID, so that the third switch is opened (specifically, the third switch is an inverter, the reverse plug identification Hall switch outputs a high level signal, the USB ID receives a low level signal after the inversion of the third switch), the USB ID pin of the panel CPU detects the low level and sets the system to be in a desktop mode, the other path of the low level signal is sent to the second switch on a USB2 channel through an inverter, when the S pin and the OE pin of the second switch are both in the low level, the switch is connected and switched on, and at the moment, the USB port on the keyboard is normally connected with the panel USB2 channel. Therefore, when the computer is inserted, the first switch, the second switch and the third switch are all opened, keys on the keyboard and the USB port have functions, and the computer is in a desktop mode.
When the flat panel and the keyboard are inserted reversely, because the POGOP IN is defined as that USB signals are arranged symmetrically, the USB port signal at the keyboard end is correspondingly connected with the USB1 channel at the flat panel end, the keyboard CPU is connected with the USB2 channel, the switch of the USB1 channel is communicated with the USB1 channel at the flat panel end, but the S2 switch at the USB2 channel and the S3 switch at the USB ID signal are changed from high to low due to the fact that the reverse insertion identifies the magnet which is inserted reversely, the switch is changed into the second switch and the third switch are both closed, the USB2 channel connected with the CPU signal on the keyboard is closed, the keyboard key does not work, therefore, the low-level signal is output by the reverse insertion identifies the Hall switch through the third switch, the signal detected by the USB ID on the flat panel CPU is the high-level signal, the signal detected by the CPU is changed from low to high, and the CPU sets the system to the PAD mode. Therefore, when the keyboard is reversely inserted, the keys of the keyboard have no function, the USB port has the function, and the system is in a PAD mode.
Example 2
Embodiment 2 of the present invention further provides a device for forward and backward insertion identification control, which is used for identifying and controlling a connection mode between a tablet computer and a keyboard, and as shown in fig. 1, the device includes:
the keyboard comprises a male interface seat 1 at a keyboard end, a female interface seat 2 at a tablet personal computer end, a reverse-insertion identification magnet 3 at one side of a keyboard, a Hall switch 4 at the tablet personal computer end and a logic controller 5 at the tablet personal computer end;
the polarity of the interface male seat 1 and the polarity of the interface female seat 2 are bilaterally symmetrical; the reverse insertion identification magnet 3 corresponds to the Hall switch 4 when the keyboard is reversely inserted into the tablet personal computer;
the Hall switch 4 is connected with the logic controller 5;
the logic controller 5 is respectively connected with the interface male seat 1 and the interface female seat 2;
when the Hall switch 4 does not detect magnetism, a high level signal is generated, so that the logic controller 5 communicates the USB port connected with the keyboard key with the channel of the CPU of the tablet computer, and controls the USB Hub of the USB port at the keyboard end to communicate with the channel of the CPU of the tablet computer;
when the Hall switch 4 detects magnetism, a low level signal is generated, so that the logic controller 5 disconnects the USB port connected with the keyboard key from the channel of the CPU of the tablet computer, and controls the USB Hub of the USB port at the keyboard end to be communicated with the channel of the CPU of the tablet computer.
Besides, the specific interface male socket, interface female socket, hall switch, logic controller, etc. are as described in embodiment 1.
In a specific embodiment, as shown in fig. 3, the method further includes: a rotating shaft assembly 6; wherein, the rotating shaft assembly 6 is connected to the keyboard; the interface male seat 1 is arranged on the rotating shaft assembly 6.
In a specific embodiment, the pivot assembly 6 is removably connected to the keyboard.
In a specific embodiment, as shown in fig. 4, the method further includes: a rotating shaft plug 61 positioned at the keyboard end and a slot 62 positioned at the tablet computer end; the rotating shaft bolt 61 corresponds to the slot 62;
the rotating shaft bolt 61 is arranged on the rotating shaft assembly.
In a specific embodiment, as shown in fig. 5, the method further includes: a first magnet 63 at the keyboard end and a second magnet 64 at the tablet computer end; wherein, the first magnetic attraction magnet 63 corresponds to the second magnetic attraction magnet 64;
the first magnetic attraction magnet 63 is disposed on the rotating shaft assembly.
Therefore, the embodiment of the invention provides a device for identifying and controlling a front plug-in and a back plug-in, which is used for identifying and controlling a connection mode of a tablet computer and a keyboard, and comprises: the interface device comprises a male interface seat positioned at a keyboard end, a female interface seat positioned at a tablet personal computer end, a reverse-insertion identification magnet positioned at one side of a keyboard, a Hall switch positioned at the tablet personal computer end and a logic controller positioned at the tablet personal computer end; the polarity of the interface male seat and the polarity of the interface female seat are bilaterally symmetrical; the reverse insertion identification magnet corresponds to the Hall switch when the keyboard is reversely inserted into the tablet personal computer; the Hall switch is connected with the logic controller; the logic controller is respectively connected with the interface male seat and the interface female seat; when the Hall switch does not detect magnetism, a high level signal is generated, so that the logic controller enables the USB port connected with the keyboard key to be communicated with the channel of the CPU of the tablet computer, and controls the USB Hub of the USB port at the keyboard end to be communicated with the channel of the CPU of the tablet computer; when the Hall switch detects magnetism, a low level signal is generated, so that the logic controller disconnects the USB port connected with the keyboard key from the channel of the CPU of the tablet computer, and controls the USB Hub of the USB port at the keyboard end to be communicated with the channel of the CPU of the tablet computer. Therefore, the identification and control of the positive and negative insertion of the two-in-one computer are realized.
Those skilled in the art will appreciate that the figures are merely schematic representations of one preferred implementation scenario and that the blocks or flow diagrams in the figures are not necessarily required to practice the present invention.
Those skilled in the art will appreciate that the modules in the devices in the implementation scenario may be distributed in the devices in the implementation scenario according to the description of the implementation scenario, or may be located in one or more devices different from the present implementation scenario with corresponding changes. The modules of the implementation scenario may be combined into one module, or may be further split into a plurality of sub-modules.
The above-mentioned invention numbers are merely for description and do not represent the merits of the implementation scenarios.
The above disclosure is only a few specific implementation scenarios of the present invention, however, the present invention is not limited thereto, and any variations that can be made by those skilled in the art are intended to fall within the scope of the present invention.
Claims (10)
1. The utility model provides a positive reverse plug discernment controlgear which characterized in that for the connected mode discernment and the control of panel computer and keyboard, this equipment includes:
the interface device comprises a male interface seat positioned at a keyboard end, a female interface seat positioned at a tablet personal computer end, a reverse-insertion identification magnet positioned at one side of a keyboard, a Hall switch positioned at the tablet personal computer end and a logic controller positioned at the tablet personal computer end;
the polarity of the interface male seat and the polarity of the interface female seat are bilaterally symmetrical; the reverse insertion identification magnet corresponds to the Hall switch when the keyboard is reversely inserted into the tablet personal computer;
the Hall switch is connected with the logic controller;
the logic controller is respectively connected with the interface male seat and the interface female seat;
when the Hall switch does not detect magnetism, a high level signal is generated, so that the logic controller enables the USB port connected with the keyboard key to be communicated with the channel of the CPU of the tablet computer, and controls the USB Hub of the USB port at the keyboard end to be communicated with the channel of the CPU of the tablet computer;
when the Hall switch detects magnetism, a low level signal is generated, so that the logic controller disconnects the USB port connected with the keyboard key from the channel of the CPU of the tablet computer, and controls the USB Hub of the USB port at the keyboard end to be communicated with the channel of the CPU of the tablet computer.
2. The apparatus of claim 1, wherein the interface male socket is: POGO male base; the interface female seat is a POGO female seat; wherein,
the POGO male seat corresponds to the POGO female seat.
3. The device of claim 1, wherein the hall switch comprises: the reverse insertion identification Hall switch and the opening and closing cover detection Hall switch;
the reverse insertion identification magnet corresponds to the reverse insertion identification Hall switch when the keyboard is reversely inserted into the tablet personal computer.
4. The apparatus of claim 3, further comprising: opening and closing the cover magnet; the opening and closing cover detection Hall switch corresponds to the opening and closing cover magnet when the keyboard is inserted into the tablet personal computer.
5. The apparatus of claim 3, wherein the reverse-insertion identification Hall switch is disposed on one side of the tablet computer, and the open-close cover detection Hall switch is disposed on the other side of the tablet computer; the reverse insertion identification Hall switch and the opening and closing cover detection Hall switch are distributed on the Y axis of the tablet personal computer.
6. The apparatus of claim 2, wherein the logic controller comprises a first switch, a second switch, a third switch, an inverter, a tablet mode switch; wherein,
the first switch is provided with an S pin and an OE pin, and when the S pin and the OE pin are both low level, the first switch is connected;
the second switch is provided with an S pin and an OE pin, and when the S pin and the OE pin are both in a low level, the second switch is connected;
when the third switch receives a high level signal, the third switch is connected;
the first switch is used for a CPU (central processing unit) and a tablet personal computer of a keyboard, an S pin of the first switch is connected with the opening and closing cover detection Hall switch through an inverter, and an OE pin of the first switch is connected with the third switch;
the second switch is used for connecting a USB port of a keyboard and a tablet personal computer, an S pin of the second switch is connected with the reverse-insertion identification Hall switch through an inverter, and an OE pin of the second switch is connected with the third switch;
the third switch is used for connecting the tablet personal computer, the reverse plug identification Hall switch, the first switch, the second switch and the tablet personal computer mode conversion switch;
the tablet computer mode conversion switch is connected with the tablet computer.
7. The apparatus of claim 1, further comprising: a rotating shaft assembly; wherein, the rotating shaft component is connected to the keyboard; the interface male seat is arranged on the rotating shaft assembly.
8. The device of claim 7, wherein the pivot assembly is removably coupled to the keyboard.
9. The apparatus of claim 7, further comprising: the rotating shaft plug is positioned at the keyboard end, and the slot is positioned at the tablet personal computer end; the rotating shaft bolt corresponds to the slot;
the rotating shaft bolt is arranged on the rotating shaft assembly.
10. The apparatus of claim 7, further comprising: the first magnetic attraction magnet is positioned at the keyboard end, and the second magnetic attraction magnet is positioned at the tablet personal computer end; the first magnetic attraction magnet corresponds to the second magnetic attraction magnet;
the first magnetic attraction magnet is arranged on the rotating shaft component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611061693.0A CN106383797B (en) | 2016-11-25 | 2016-11-25 | Equipment for positive and negative plug identification control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611061693.0A CN106383797B (en) | 2016-11-25 | 2016-11-25 | Equipment for positive and negative plug identification control |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106383797A true CN106383797A (en) | 2017-02-08 |
| CN106383797B CN106383797B (en) | 2023-12-26 |
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| CN108736281A (en) * | 2018-04-28 | 2018-11-02 | 深圳市友基技术有限公司 | A kind of three-in-one multimedia line and electronic drawing board system |
| CN108845558A (en) * | 2018-05-03 | 2018-11-20 | 上海兆芯集成电路有限公司 | Detection control apparatus |
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| CN106383797B (en) | 2023-12-26 |
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