CN102779103A - Switching circuit, electronic device and independent display card module - Google Patents
Switching circuit, electronic device and independent display card module Download PDFInfo
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- CN102779103A CN102779103A CN2011101257137A CN201110125713A CN102779103A CN 102779103 A CN102779103 A CN 102779103A CN 2011101257137 A CN2011101257137 A CN 2011101257137A CN 201110125713 A CN201110125713 A CN 201110125713A CN 102779103 A CN102779103 A CN 102779103A
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Abstract
The invention discloses a switching circuit, an electronic device and an independent display card module. The electronic device comprises a host case, and further comprises an external slot arranged in the host case, a connector arranged in the external slot, a switching selector, an input/output controller, and an external device, wherein the switching selector and the input/output controller are both arranged in the host case; the switching selector comprises an input end, a first output end and a second output end which are all electrically coupled with the connector; the input/output controller is electrically coupled with the first output end and the second output end of the switching selector; and the external device is inserted in the external slot and electrically coupled with the connector to control the switching selector, thus, the input end of the external device is connected with the first output end or the second output end. Thus, users are helped to replace the external device so as to upgrade the functions of the electronic device.
Description
Technical field
The present invention relates to a kind of commutation circuit, particularly relate to a kind of signal output select circuit.
Background technology
At present notebook computer mainly be divided into have independent displaying card machine with in build the display card machine.Having independent displaying card machine can provide the user better graphics process usefulness, but its price builds the display card machine in and improve approximately 20%～30%, therefore if consider from economic aspect, builds the display card machine in most users may select.But thus, when the user has the demand that needs the upgrading graphics capability to occur in the future, build the display card machine in then can facing and to upgrade, can only change the more problem of the machine of high-order graphics capability of supporting.
This shows, the above-mentioned notebook computer machine of building display card in existing structure with use, obviously still have inconvenience and defective, and demand urgently further improving.In order to solve the problem of above-mentioned existence; Relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly; But do not see always that for a long time suitable design is developed completion, and common product does not have appropriate structure to address the above problem, this obviously is the problem that the anxious desire of relevant dealer solves.Therefore how to found a kind of commutation circuit, electronic installation and independent displaying card module of new structure; With let the user can be on the interior notebook computer machine of building display card convenient upgrading independent displaying card; Real one of the current important research and development problem that belongs to, also becoming the current industry utmost point needs improved target.
Summary of the invention
The objective of the invention is to; Overcome the defective that the notebook computer machine of building display card in existing exists; And provide a kind of new structure commutation circuit, use the electronic installation of this commutation circuit and be applicable to the independent displaying card module of this electronic installation; Technical matters to be solved is to make it easy to the user to replace external device, and the function with the upgrading electronic installation is very suitable for practicality.
The object of the invention and solve its technical matters and adopt following technical scheme to realize.According to a kind of commutation circuit that the present invention proposes, in order to one first signal of switching output one first external device generation or a secondary signal of one second external device generation, this commutation circuit comprises that a connector and switches selector switch.
This connector supplies this first external device or this one of them electric coupling of second external device, to accept this first signal or this secondary signal.This switching selector switch have one with this connector electric coupling; With input end, one first output terminal and one second output terminal of accepting this first signal or this secondary signal, during this first external device of this connector electric coupling, this input end is connected with this first output terminal; To export this first signal to this first output terminal; During this second external device of this connector electric coupling, this input end is connected with this second output terminal, this secondary signal is exported to this second output terminal.
The object of the invention and solve its technical matters and also can adopt following technical measures further to realize.
Preferably; Aforesaid commutation circuit is arranged on the system circuit board; And this first external device is the CD player with a SATA interface, and this first signal is the signal of SATA form, and this second external device is the independent displaying card module with a PCI-E interface; This secondary signal is the signal of PCI-E form; This connector is a SATA connector, and this switching selector switch is 1 pair of 2 multiplexer, the IOC electric coupling on its first output terminal and second output terminal and the system circuit board; Give this IOC to export this first signal, and give this IOC via this this secondary signal of second output terminal output via this first output terminal.
The object of the invention and solve its technical matters and also adopt following technical scheme to realize.According to a kind of electronic installation of using above-mentioned commutation circuit that the present invention proposes, comprise that a host shell, switches selector switch, an IOC and an external device.
This host shell comprises an external connection slot and and is arranged at the connector in this external connection slot.This switching selector switch is arranged in this host shell, and comprise one with input end, one first output terminal and one second output terminal of this connector electric coupling.This IOC and this switch first output terminal and the second output terminal electric coupling of selector switch.This external device be inserted in this external connection slot and with this connector electric coupling, and control should switch selector switch, make this input end select to connect this first output terminal or this second output terminal one of them.
The object of the invention and solve its technical matters and also can adopt following technical measures further to realize.
Preferably; Aforesaid electronic installation; Wherein said external connection slot is a CD player slot, and this connector, switching selector switch and IOC are arranged on the system circuit board, and this connector is a SATA connector; This switching selector switch is 1 pair of 2 multiplexer, and this IOC is a South Bridge chip.
Preferably, aforesaid electronic installation, wherein said external device are one to have the CD player of a SATA interface, its be inserted in this external connection slot and with this connector electric coupling, can make the input end of this switching selector switch select to connect this first output terminal.
Preferably; Aforesaid electronic installation; Wherein said external device is one to have the independent displaying card module of a PCI-E interface, its be inserted in this external connection slot and with this connector electric coupling, can make the input end of this switching selector switch select to connect this second output terminal.
Preferably; Aforesaid electronic installation; Wherein said independent displaying card module comprises that one can insert the mechanism of this external connection slot and be integrated in a display card, a heat-sink unit and another connector in this mechanism, and this another connector is with this display card electric coupling and in order to dock with this connector.
The object of the invention and solve its technical matters and also adopt following technical scheme to realize in addition.According to a kind of independent displaying card module that the present invention proposes, be suitable for being inserted in the external connection slot of above-mentioned electronic installation with this electronic installation electric coupling, this independent displaying card module comprises a mechanism, a display card and a heat-sink unit.
This mechanism can insert in this external connection slot with plugging; This display card is integrated in this mechanism, and with this electronic installation electric coupling; This heat-sink unit is integrated in this mechanism, and to this display card thermolysis is provided.
The object of the invention and solve its technical matters and also can adopt following technical measures further to realize.
Preferably; Aforesaid independent displaying card module is provided with a SATA connector in the wherein said external connection slot, this display card has a PCI-E interface; And this independent displaying card module also comprises a connector, and it is with the PCI-E interface electric coupling of this display card and in order to dock with this SATA connector.
The present invention compared with prior art has tangible advantage and beneficial effect.By technique scheme; Commutation circuit of the present invention, electronic installation and independent displaying card module have advantage and beneficial effect at least: the present invention is by the preset external connection slot of electronic installation; First external device (for example CD player) and second external device (for example independent displaying card module) can conveniently be replaced and shared external connection slot; And transmit the switching selector switch of first signal or secondary signal to system circuit board end through the connector in the external connection slot; Relend by first external device or the control of second external device and switch selector switch; Export first signal to interface that one of IOC is accepted first signal via first output terminal that switches selector switch; And export secondary signal to interface that one of IOC is accepted secondary signal via second output terminal that switches selector switch, make things convenient for the user to upgrade or the effect and the purpose of the function of transferred electron device and reach.
In sum, the invention relates to a kind of commutation circuit, electronic installation and independent displaying card module.This electronic installation has a host shell, and comprises the external connection slot that is arranged in the host shell, one be arranged in this external connection slot connector be arranged at one in the host shell and switch a selector switch and an IOC, an and external device.This switching selector switch comprise one with input end, one first output terminal and one second output terminal of connector electric coupling, this IOC and first output terminal and the second output terminal electric coupling that switch selector switch.This external device be inserted in this external connection slot and with the connector electric coupling, and control switches selector switch, make its input end select to connect first output terminal or second output terminal one of them.Whereby, make things convenient for the user to replace the function of external device with the upgrading electronic installation.The present invention has obvious improvement technically, and has tangible good effect, really is the new design of a novelty, progress, practicality.
Above-mentioned explanation only is the general introduction of technical scheme of the present invention; Understand technological means of the present invention in order can more to know; And can implement according to the content of instructions, and for let of the present invention above-mentioned with other purposes, feature and advantage can be more obviously understandable, below special act preferred embodiment; And conjunction with figs., specify as follows.
Description of drawings
Fig. 1 is that commutation circuit of the present invention is switched first signal of output first external device generation or the circuit block diagram of the secondary signal that second external device produces.
Fig. 2 is host shell and the internal mechanism of external device and the block diagram of circuit of a preferred embodiment of electronic installation of the present invention.
Fig. 3 is the commutation circuit of present embodiment and the annexation synoptic diagram of first external device or second external device and IOC.
Fig. 4 is the pin figure of SATA connector of the independent displaying card module end of present embodiment.
Fig. 5 is first external device of present embodiment and the synoptic diagram of commutation circuit electric coupling.
Fig. 6 is second external device of present embodiment and the synoptic diagram of commutation circuit electric coupling.
Embodiment
Reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the present invention; Below in conjunction with accompanying drawing and preferred embodiment; To commutation circuit, electronic installation and its embodiment of independent displaying card module, structure, characteristic and the effect thereof that proposes according to the present invention, specify as after.
Relevant aforementioned and other technology contents, characteristics and effect of the present invention can be known to appear in the following detailed description that cooperates with reference to graphic preferred embodiment.Explanation through embodiment; Should be to reach technological means that predetermined purpose takes and effect to obtain one more deeply and concrete understanding to the present invention; Yet the appended graphic usefulness that only provides reference and explanation is not to be used for the present invention is limited.
Seeing also shown in Figure 1ly, is the circuit block diagram that commutation circuit of the present invention is switched the secondary signal that first signal that output first external device produces or second external device produce.Commutation circuit 1 of the present invention is in order to one first signal of switching output one first external device 11 generations or a secondary signal of one second external device, 12 generations; This commutation circuit 1 comprises that one supplies first external device 11 or second external device, 12 one of them electric coupling; With the connector 13 of accepting this first signal or this secondary signal; And one switch selector switch 14; It has one with connector 13 electric couplings, with input end 141, one first output terminal 142 and one second output terminal 143 of accepting this first signal or this secondary signal.When connector 13 electric couplings first external device 11; The input end 141 that switches selector switch 14 is switched to first output terminal 141 to be connected; To export this first signal to first output terminal 141; When connector 13 electric couplings second external device 12, the input end 141 that switches selector switch 14 is switched to second output terminal 143 to be connected, this secondary signal is exported to second output terminal 143.Whereby, switch the external device that selector switch 14 can corresponding connector 13 be connected, first signal and secondary signal are switched to the output of different paths respectively.
Preferably, like Fig. 2 and shown in Figure 3, Fig. 2 is host shell and the internal mechanism of external device and the block diagram of circuit of a preferred embodiment of electronic installation of the present invention.Fig. 3 is the commutation circuit of present embodiment and the annexation synoptic diagram of first external device or second external device and IOC.One preferred embodiment of commutation circuit 1 of the present invention is to be applied to an electronic installation 2, for example notebook computer or PC, and it has a host shell 20 and is arranged at the system host board 21 in the host shell 20.Host shell 20 comprises one and supplies first external device 11 or the ccontaining external connection slot 22 of second external device 12; System host board 21 and external connection slot 22 adjacent settings; And connector 13 and switching selector switch 14 are arranged on the system host board 21; Connector 13 also protrudes out in the external connection slot 22, pegs graft for first external device 11 or second external device 12.First output terminal 141 and second output terminal 142 that switches selector switch 14 also with system host board 21 on an IOC 23 electric couplings.In the present embodiment; Switching selector switch 14 is 1 pair of 2 multiplexer; And i/o controller 23 is platform control integrated (Platform Controller Hub is called for short PCH) (or claiming South Bridge chip), CPU module 24 electric couplings on itself and the system circuit board 21.And CPU module 24 set CPU, GPU (building display card promptly) and memory body is usually controlled integrated (Memory Control Hub is called for short MCH) (or claiming north bridge chips) in one.
In the present embodiment, connector 13 is SATA connectors, and first external device 11 is pluggable CD players, and it has the SATA connector that docks with connector 13 and first signal of exporting the SATA form.Second external device 12 is pluggable independent displaying card modules; As shown in Figure 2; It has a mechanism (shell) 12 similar with above-mentioned pluggable CD player; And be incorporated into a display card 122 and the heat-sink unit 123 in the mechanism 12, and display card 122 has a PCI-E interface 124 and exports the secondary signal of PCI-E form, and 123 pairs of display cards 122 of heat-sink unit provide the effect of heat radiation.
And because PCI-E interface and SATA interface transmit two pairs of differential waves through four signal pins equally; Therefore; PCI-E interface 124 docks with connector 13 on the system host board 21 through a SATA connector 125; That is it is as shown in Figure 4; Fig. 4 is the pin figure of SATA connector of the independent displaying card module end of present embodiment, and wherein, PCI-E interface 124 is connected with four pin S2, S3, S5, the S6 in order to transmission SATA signal of SATA connector 125 in order to four pin PCI-E TX+, PCI-E TX-, PCI-E RX+, the PCI-E RX-of output secondary signal.And SATA connector 125 is with after connector 13 docks, and second external device 12 can obtain the direct current power supply DC from system circuit board 21.
In addition, only if receive that one switches signal, otherwise the preset state of switching selector switch 14 is to make its input end 141 permanent and first output terminal, 142 electric couplings.Therefore; When the SATA connector 125 of second external device 12 with after connector 13 docks; Second external device 12 also passes through an idle pin of SATA connector 125; For example P1 output one is switched signal (a for example high levle signal) to switching selector switch 14, makes switching selector switch 14 switch its input end 141 and second output terminal, 143 electric couplings.
Whereby, as shown in Figure 5, Fig. 5 is first external device of present embodiment and the synoptic diagram of commutation circuit electric coupling.When first external device 11 is inserted external connection slot 22 and during with connector 13 electric couplings; Do not receive the selection signal owing to switch selector switch 14; Therefore; First signal that first external device 11 produces can export the interface that one of IOC 23 is accepted the SATA signal to via first output terminal 142 that switches selector switch 14; And carrying out subsequent optical dish signal Processing and playing function, certain first signal also can be CD baking (record) signal that is exported to first external device 11 by IOC 23.Removed from external connection slot 22 and work as first external device 11; And when inserting second external device 12; Switch selector switch 14 and can receive selection signal, and switch input end 141 and second output terminal, 143 electric couplings, therefore from second external device 12; The secondary signal that second external device 11 produces then exports the interface that one of IOC 23 is accepted the PCI-E signal to via second output terminal 143 that switches selector switch 14; Make CPU module 24 carry out the signal transmission, and carry out image or figure signal processing, make the graphics capability upgrading of system through second external device 12 with second external device 12.
In sum; The foregoing description is by independent displaying card module 12 being incorporated in the mechanism that is equivalent to the CD player size; Let the slot 22 of the CD player that independent displaying card module 12 can the shared electron device; And transmit through the SATA connectors 14 in the slot 22 independent displaying card module 12 PCI-E signal to system circuit board 21 ends one switch selector switch 14; Relend and switch selector switch 14 by control and export the PCI-E signal to interface that one of IOC 23 is accepted the PCI-E signal, make things convenient for user the upgrade effect and the purpose of independent displaying card and reach.
The above only is preferred embodiment of the present invention, is not the present invention is done any pro forma restriction; Though the present invention discloses as above with preferred embodiment; Yet be not in order to limiting the present invention, anyly be familiar with the professional and technical personnel, in not breaking away from technical scheme scope of the present invention; When the technology contents of above-mentioned announcement capable of using is made a little change or is modified to the equivalent embodiment of equivalent variations; In every case be not break away from technical scheme content of the present invention, to any simple modification, equivalent variations and modification that above embodiment did, all still belong in the scope of technical scheme of the present invention according to technical spirit of the present invention.
Claims (9)
1. a commutation circuit is exported one first signal of one first external device generation or the secondary signal that one second external device produces in order to switching; It is characterized in that:
This commutation circuit comprises:
A connector supplies this first external device or this one of them electric coupling of second external device, to accept this first signal or this secondary signal; And
One switches selector switch, have one with this connector electric coupling, with input end, one first output terminal and one second output terminal of accepting this first signal or this secondary signal; During this first external device of this connector electric coupling; This input end is connected with this first output terminal, exporting this first signal to this first output terminal, during this second external device of this connector electric coupling; This input end is connected with this second output terminal, this secondary signal is exported to this second output terminal.
2. commutation circuit as claimed in claim 1; It is characterized in that: this commutation circuit is arranged on the system circuit board; And this first external device is the CD player with a SATA interface, and this first signal is the signal of SATA form, and this second external device is the independent displaying card module with a PCI-E interface; This secondary signal is the signal of PCI-E form; This connector is a SATA connector, and this switching selector switch is 1 pair of 2 multiplexer, the IOC electric coupling on its first output terminal and second output terminal and the system circuit board; Give this IOC to export this first signal, and give this IOC via this this secondary signal of second output terminal output via this first output terminal.
3. electronic installation is characterized in that:
This electronic installation comprises:
One host shell comprises an external connection slot and and is arranged at the connector in this external connection slot;
One switches selector switch, is arranged in this host shell, comprise one with input end, one first output terminal and one second output terminal of this connector electric coupling;
One IOC switches first output terminal and the second output terminal electric coupling of selector switch with this; And
One external device, be inserted in this external connection slot and with this connector electric coupling, and control should switch selector switch, make this input end select to connect this first output terminal or this second output terminal one of them.
4. electronic installation as claimed in claim 3; It is characterized in that: this external connection slot is a CD player slot; This connector, switching selector switch and IOC are arranged on the system circuit board; This connector is a SATA connector, and this switching selector switch is 1 pair of 2 multiplexer, and this IOC is a South Bridge chip.
5. like claim 3 or 4 described electronic installations; It is characterized in that: this external device is one to have the CD player of a SATA interface; It is inserted in this external connection slot and with this connector electric coupling, can make the input end of this switching selector switch select to connect this first output terminal.
6. like claim 3 or 4 described electronic installations; It is characterized in that: this external device is one to have the independent displaying card module of a PCI-E interface; It is inserted in this external connection slot and with this connector electric coupling, can make the input end of this switching selector switch select to connect this second output terminal.
7. electronic installation as claimed in claim 6; It is characterized in that: this independent displaying card module comprises that one can insert the mechanism of this external connection slot and be integrated in a display card, a heat-sink unit and another connector in this mechanism, and this another connector is with this display card electric coupling and in order to dock with this connector.
8. independent displaying card module, be suitable for being inserted in the external connection slot of an electronic installation with this electronic installation electric coupling, it is characterized in that:
This independent displaying card module comprises:
One mechanism, it can insert in this external connection slot with plugging;
One display card is integrated in this mechanism, and with this electronic installation electric coupling; And
One heat-sink unit is integrated in this mechanism, to this display card thermolysis is provided.
9. independent displaying card module as claimed in claim 8; It is characterized in that: be provided with a SATA connector in this external connection slot; This display card has a PCI-E interface; And this independent displaying card module also comprises a connector, and it is with the PCI-E interface electric coupling of this display card and in order to dock with this SATA connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101257137A CN102779103A (en) | 2011-05-12 | 2011-05-12 | Switching circuit, electronic device and independent display card module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101257137A CN102779103A (en) | 2011-05-12 | 2011-05-12 | Switching circuit, electronic device and independent display card module |
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| Publication Number | Publication Date |
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| CN102779103A true CN102779103A (en) | 2012-11-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101257137A Pending CN102779103A (en) | 2011-05-12 | 2011-05-12 | Switching circuit, electronic device and independent display card module |
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| CN (1) | CN102779103A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104360710A (en) * | 2014-10-22 | 2015-02-18 | 技嘉科技股份有限公司 | Display circuit capable of switching external display ports |
| CN105047126A (en) * | 2015-09-21 | 2015-11-11 | 上海天马微电子有限公司 | Control circuit, array substrate, display panel and 3D display device |
| CN109857694A (en) * | 2018-12-10 | 2019-06-07 | 联想(北京)有限公司 | Device and calculating equipment |
| CN114691570A (en) * | 2020-12-25 | 2022-07-01 | 神讯电脑(昆山)有限公司 | Electronic equipment and signal switching method |
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| CN101989184A (en) * | 2009-07-31 | 2011-03-23 | 华硕电脑股份有限公司 | Memory card with serial advanced technology attachment (SATA) transmission interface |
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| US20050237327A1 (en) * | 2004-04-23 | 2005-10-27 | Nvidia Corporation | Point-to-point bus bridging without a bridge controller |
| CN101286145A (en) * | 2007-04-11 | 2008-10-15 | 华硕电脑股份有限公司 | Multimedia expansion module and computer device applying same |
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| CN104360710A (en) * | 2014-10-22 | 2015-02-18 | 技嘉科技股份有限公司 | Display circuit capable of switching external display ports |
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| CN105047126A (en) * | 2015-09-21 | 2015-11-11 | 上海天马微电子有限公司 | Control circuit, array substrate, display panel and 3D display device |
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| CN109857694A (en) * | 2018-12-10 | 2019-06-07 | 联想(北京)有限公司 | Device and calculating equipment |
| CN109857694B (en) * | 2018-12-10 | 2021-03-19 | 联想(北京)有限公司 | Device and computing equipment |
| CN114691570A (en) * | 2020-12-25 | 2022-07-01 | 神讯电脑(昆山)有限公司 | Electronic equipment and signal switching method |
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Application publication date: 20121114 |