CN104062911B - Auto electronic system and its method of supplying power to - Google Patents

Auto electronic system and its method of supplying power to Download PDF

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Publication number
CN104062911B
CN104062911B CN201310094783.XA CN201310094783A CN104062911B CN 104062911 B CN104062911 B CN 104062911B CN 201310094783 A CN201310094783 A CN 201310094783A CN 104062911 B CN104062911 B CN 104062911B
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CN
China
Prior art keywords
switch
network
automobile
used
application module
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CN201310094783.XA
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Chinese (zh)
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CN104062911A (en
Inventor
陈俊宇
黄泰乙
曾达钦
黄亮维
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瑞昱半导体股份有限公司
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Priority to CN201310094783.XA priority Critical patent/CN104062911B/en
Publication of CN104062911A publication Critical patent/CN104062911A/en
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Publication of CN104062911B publication Critical patent/CN104062911B/en

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Abstract

The invention discloses a kind of auto electronic system and its method of supplying power to, wherein method of supplying power to includes output one interface signal to an automobile-used network, according to the first switch adjuster of at least one of the interface signal in the first control signal and automobile-used network from control chip enable one, when first switch adjuster is enabled, network switch is supplied electricity to based on first voltage using first switch adjuster, according to the second switch adjuster of at least one of the interface signal in the second control signal and automobile-used network from electronic application module enable one, and when second switch adjuster is enabled, electronic application module is supplied electricity to based on first voltage using second switch adjuster.Wherein, network switch and electronic application module are connected with each other with automobile-used network.

Description

Auto electronic system and its method of supplying power to

Technical field

The present invention on a kind of auto electronic system, especially with regard to a kind of auto electronic system and its method of supplying power to.

Background technology

With the fast development of the association areas such as auto industry and electronic industry, auto electronic field is had become by people The industry attracted attention.Therefore, the function phase for possessing on current vehicle to also more and more embrace a wide spectrum of ideas, to provide user more Comfortable environment, more preferably Driving of security protection or higher etc. by bus.

However, the electronic installation on vehicle must operationally be powered by unique 12V battery modules on vehicle.Especially It is that, in vehicle stall, this battery module cannot then be charged.Therefore, design is suitable for the electricity-saving mechanism of automobile-used environment It is necessary.

The content of the invention

In view of the above mentioned problem of prior art, the invention provides a kind of auto electronic system and its method of supplying power to.

Include a battery module, a control chip, a network switch, one the invention provides a kind of auto electronic system First power supply circuit, an electronic application module and one second power supply circuit.

Battery module is used to provide a first voltage.Control chip is used to export one first control signal.Network switch It is used to export an interface signal.

First voltage is converted into the first power supply second voltage by the first power supply circuit, and according to the first control signal and interface Signal exports the first power supply second voltage to network switch.First voltage is converted into the second power supply by the second power supply circuit Two voltages, and the second power supply second voltage is exported by electron application module according to interface signal.

Present invention also offers a kind of method of supplying power to of auto electronic system one first is exported using a control chip Control signal, according to the first switch adjuster of the first control signal enable one, using first switch adjuster be based on first voltage Supply electricity to a network switch, using network switch output interface signal to an automobile-used network, according to connecing on automobile-used network The second switch adjuster of message enable one and supplied electricity to via automobile-used net based on first voltage using second switch adjuster Network connects the electronic application module of network switch.

Present invention also offers a kind of method of supplying power to of auto electronic system using an electronic application module according to outer Portion's information causes electronic application module output control signal, according to the first switch adjuster of control signal enable one, using first Switching regulaor supplies electricity to electronic application module based on first voltage, using electronic application module output interface signal to automobile-used net Network, it is based on the according to the second switch adjuster of interface signal enable one on automobile-used network and using second switch adjuster One power voltage supply is to the network switch via automobile-used network connection electronic application module.

Include output one interface signal to an automobile-used net present invention also offers a kind of method of supplying power to of auto electronic system The enable one first of at least one of interface signal on network, the first control signal and automobile-used network of the basis from control chip Switching regulaor, when first switch adjuster is enabled, network is supplied electricity to based on first voltage using first switch adjuster At least one of interface signal on exchanger, the second control signal and automobile-used network of the basis from electronic application module is caused Can a second switch adjuster and when second switch adjuster is enabled, be based on the first electricity using second switch adjuster Pressure supplies electricity to electronic application module.Wherein, network switch and electronic application module are connected with each other with automobile-used network.

To sum up, in the case of application auto electronic system of the invention and its method of supplying power to, can be needed in user To use specific function(That is, certain electronic applications module)When, just by this certain electronic applications data bits or startup;Conversely, When not in use, then the electronic application module that will can not used all is powered off, with power saving.

Brief description of the drawings

Fig. 1 is the schematic diagram of the auto electronic system according to one embodiment of the invention.

Fig. 2 carries out the running schematic diagram of module closing for the auto electronic system of Fig. 1.

Fig. 3 is the schematic diagram of the auto electronic system according to another embodiment of the present invention.

Fig. 4 is the schematic diagram of the auto electronic system according to further embodiment of this invention.

Wherein, description of reference numerals is as follows:

110:Battery module

120:Control chip

130:Network switch

132:Network switch

140:Electronic application module

1401:Physical layer

1403:Functional circuit

142:Electronic application module

1421:Physical layer

1423:Functional circuit

150:Power supply circuit

1501:First control module

1503:First switch adjuster

152:Power supply circuit

1521:First control module

1523:First switch adjuster

160:Power supply circuit

1601:Second control module

1603:Second switch adjuster

162:Power supply circuit

1621:Second control module

1623:Second switch adjuster

170:Power supply unit

180:Supply unit

V1:First voltage

V2:Second voltage

Sc:Control signal

Sc1:First control signal

Sc2:Second control signal

SMDI:Interface signal

SSleep:Dormancy package

SD:Signal detection circuit

FSM:Finite state machine unit

LU:Logic unit

EN:Enable signal

dEN:Forbidden energy signal

RS:Signal detection result

Specific embodiment

Fig. 1 is the schematic diagram of the auto electronic system according to one embodiment of the invention.Reference picture 1, auto electronic system bag Include a battery module 110, a control chip 120, one or more network switch 130,132, one or more electronic applications Module 140,142 and multigroup power supply circuit 150,152,160,162.

Control chip 120 is electrically connected to battery module 110 with power supply circuit 150,152,160,162.

Network switch 130,132 corresponds to electronic application module 140,142, and each network switch 130/ respectively 132 are electrically connected between control chip 120 and corresponding electronic application module 140/142.That is, network switch 130 is electrical Control chip 120 and corresponding electronic application module 140 are connected to, and network switch 132 is electrically connected at control chip 120 With corresponding electronic application module 142.

The difference of power supply circuit 150,152,160,162 map network exchanger 130,132 and electronic application module 140, 142.For clear explanation, the power supply circuit 150,152 of map network exchanger 130,132 is referred to as the first power supply electricity below Road 150,152, and the power supply circuit 160,162 of correspondence electronic application module 140,142 referred to as the second power supply circuit 160, 162。

Each first power supply circuit 150/152 is electrically connected at battery module 110 with corresponding network switch 130/132 Between.Each second power supply circuit 160/162 is then electrically connected at battery module 110 with corresponding electronic application module 140/ Between 142.

In this, network switch 130,132 and the category headend apparatus of the first power supply circuit 150,152, and electronic application module 140th, 142 and the second power supply circuit 160,162 category terminal installation.In other words, network switch 130, network switch 130 it is right Electronic application module 140 and electronic application module 140 corresponding to the first power supply circuit 150 for answering, network switch 130 it is right Mutually communicated via automobile-used network between the second power supply circuit 160 answered.Similarly, network switch 132, network switch Electronic application module 142 and electronic application module corresponding to the first power supply circuit 152, network switch 132 corresponding to 132 Also mutually communicated via automobile-used network between the second power supply circuit 162 corresponding to 142.

In this, control chip 120 is used to export one first control signal Sc1.Network switch 130/132 is used to via car An interface signal S is exported with networkMDITo corresponding first power supply circuit 150/152, corresponding electronic application module 140/142 With corresponding second power supply circuit 160/162.First power supply circuit 150/152 is used to receive battery module 110 is provided One voltage V1, first voltage V1 is converted into second voltage V2, and according to the first control signal Sc1 and interface signal SMDIIn At least one second voltage V2 is exported to corresponding network switch 130/132.

Second power supply circuit 160/162 is used to receive the first voltage V1 that battery module 110 provided, by first voltage V1 Second voltage V2 is converted into, and according to interface signal SMDISecond voltage V2 is exported to corresponding electronic application module 140/ 142.In this, the second power supply circuit 160/162 is to receive connecing for self-corresponding network switch 130/132 via automobile-used network Message SMDI

In certain embodiments, each electronic application module 140(142)May include physical layer 1401(1421)And functional circuit 1403(1423).Physical layer 1401(1421)With functional circuit 1403(1423)It is electrically connected to corresponding second power supply circuit 160(162), and by corresponding second power supply circuit 160(162)Circuit needed for supplying running.Also, physical layer 1401 (1421)Via automobile-used network connection to corresponding network switch 130(132)With corresponding first power supply circuit 150(152).

In certain embodiments, when vehicle stall, the general electronic application module 140 on vehicle is off-position. But the function of minority electrons application module 142 is resident presence, such as:Exempt from key module or burglary-resisting system etc..It is normal for function The electronic application module 142 stayed, when not using, such electronic application module 142 is powered for part, so as to power saving.Citing comes Say, when vehicle stall, the most block of electronic application module 142 is off-position, but at least in functional circuit 1423 Detecting unit for keep power.Now, this detecting unit can detect external information.

When the detecting unit in functional circuit 1423 detects external information, functional circuit 1423 can export one second control Signal Sc2 processed gives corresponding second power supply circuit 162.In this, the second power supply circuit 162 can according to the second control signal Sc2 and Interface signal SMDIAt least one of supply electricity to corresponding electronic application module 142, to wake up whole electronic application module 142.

Then, physical layer 1421 is again via automobile-used networking output interface signal SMDITo corresponding first power supply circuit 152, To cause the first power supply circuit 152 according to the interface signal S from physical layer 1421MDISupply electricity to corresponding network switch 132, and then wake up corresponding network switch 132.

Consequently, it is possible to need to use specific function in user(That is, certain electronic applications module 140/142)When, then will This electronic application module 140/142 and its corresponding network switch 130/132 wake up or start(That is, supplied by switching regulaor Required electric power should be operated).Conversely, when not in use, then the electronic application module 140/142 that will do not used and its corresponding net The all power-off of network exchanger 130/132, so as to power saving.

In certain embodiments, the electronic application module 142 resided for function, wherein keeping the Partial Block of power supply (Such as, the detecting unit and physical layer 1421 in functional circuit 1423)There can be sleep mechanism(For example:It is timing automatic with timer Close), so as to power saving.

In certain embodiments, each power supply circuit may include switching regulaor and control module.In other words, the first power supply electricity Road 150 includes the first control module 1501 and first switch adjuster 1503.First power supply circuit 152 includes the first control module 1521 and first switch adjuster 1523.Second power supply circuit 160 includes the second control module 1601 and second switch adjuster 1603.Second power supply circuit 162 includes the second control module 1621 and second switch adjuster 1623.

Control module(That is, the first control module 1501,1521 and the second control module 1601,1621)Can be not power off mould Block.In certain embodiments, the first control module 1501,1521 and the second control module 1601,1621 can directly be electrically connected with UPS in battery module 110 or auto electronic system, so that making it keep continued power state.Furthermore, it is each to supply Circuit can also include UPS, so that making corresponding control module keep continued power state.

Because the structure of the first power supply circuit 150,152 is roughly the same with running, and the second power supply circuit 160,162 knot Structure is roughly the same with running, therefore only describes its knot in detail by taking the first power supply circuit 150 and the second power supply circuit 160 as an example below Structure and running.

The first input end of the first control module 1501 is connected to control chip 120.The second of first control module 1501 Input is via automobile-used network connection to corresponding network switch 130 and corresponding electronic application module 140.First control mould The output end of block 1501 is then connected to the control end of first switch adjuster 1503.The input of first switch adjuster 1503 connects Battery module 110 is connect, and the output end of first switch adjuster 1503 connects corresponding network switch 130.First power supply electricity The annexation on road 152 is approximately identical to the first power supply circuit 150, therefore repeats no more.

The first input end of the second control module 1601 is connected to the functional circuit of corresponding electronic application module 140 1403.Second input of the second control module 1601 is via automobile-used network connection to corresponding network switch 130.Second control The output end of molding block 1601 is then connected to the control end of second switch adjuster 1603.The input of second switch adjuster 1603 End connection battery module 110, and the output end of second switch adjuster 1603 connects corresponding electronic application module 140(Such as, it is real Body layer 1401 and functional circuit 1403).

In this, first switch adjuster 1503 is the power switch as corresponding network switch 130.Second switch is adjusted Section device 1603 is the power switch as corresponding electronic application module 140.First control module 1501 is then used to control first Switching regulaor 1503 is opened(ON)Or close(OFF).Second control module 1601 is then used to control second switch adjuster 1603 Open or close.

In the case of the electronic application module used needed for being gone to wake up or start by head end, when user needs to use electricity During sub-application module 140, control chip 120 exports the first control signal Sc1 to the first control module 1501.For example, control It is high level that coremaking piece 120 draws the first input end of the first control module 1501(That is, the first control signal with high level Sc1).

First control module 1501 is according to the first control signal Sc1 enable first switches adjuster 1503.In first switch When adjuster 1503 is enabled, first voltage V1 is converted into second voltage V2 and by second voltage by first switch adjuster 1503 V2 is supplied to corresponding network switch 130, uses wake-up/startup network switch 130.

After network switch 130 wakes up/starts, network switch 130 sends package(That is, interface signal SMDI)To car Use network.Corresponding second control module 1601 receives the interface signal transmitted by network switch 130 via automobile-used network SMDI, and according to interface signal SMDIEnable second switch adjuster 1603.When second switch adjuster 1603 is enabled, second First voltage V1 is converted into second voltage V2 and second voltage V2 is supplied into corresponding electronic application by switching regulaor 1603 Module 140, uses wake-up/startup electronic application module 140.

In the case of the electronic application module used needed for being gone to wake up or start by terminal, with electronic application module 142 For as a example by exempting from key module.When the functional circuit 1423 of electronic application module 142 detects wireless signal(That is, foregoing outside Information)When, such as it is used to open car door, functional circuit 1423 exports the second control signal Sc2 to the second control module 1621.Citing For, it is high level that functional circuit 1423 draws the first input end of the second control module 1621(That is, with high level second Control signal Sc2).

Second control module 1621 is according to the second control signal Sc2 enable second switches adjuster 1623.In second switch When adjuster 1623 is enabled, first voltage V1 is converted into second voltage V2 and by second voltage by second switch adjuster 1623 V2 is supplied to corresponding electronic application module 140, to wake up/whole electronic application the module 140 of startup.

Then, physical layer 1421 sends package(That is, interface signal SMDI)To automobile-used network.Corresponding first control module 1521 receive the interface signal S that physical layer 1421 is sent via automobile-used networkMDI, and according to interface signal SMDIEnable first Switching regulaor 1523.When first switch adjuster 1523 is enabled, first switch adjuster 1523 turns first voltage V1 Change second voltage V2 into and second voltage V2 is supplied to corresponding network switch 142, to wake up/startup network switch 142。

In certain embodiments, reference picture 2, when electronic application module 140/142 is idle(Running is completed or not used)When, Can be gone to close this electronic application module 140/142 and its corresponding network switch 130/132 by head end.With electronic application module As a example by 140 are vehicle backing backsight image module, when the central control system of vehicle receives vehicle backing backsight image module using finishing During instruction, central control system causes control chip 120 to send a package with specific pattern(Hereinafter referred to as dormancy package SSleep), and via the output dormancy package of network switch 130 SSleepTo automobile-used network.The entity of electronic application module 140 Layer 1401 receives the dormancy package S from network switch 130 via automobile-used networkSleep, and according to this dormancy package SSleep Functional circuit 1403 is caused to produce the second control signal Sc2 to the second control module 1601.For example, when physical layer 1401 connects Receive dormancy package SSleepAfterwards, physical layer 1401 causes functional circuit 1403 to draw the first input end of the second control module 1601 Into low level(That is, with low level second control signal Sc2).

The output dormancy package of network switch 130 SSleepAfterwards, network switch 130 does not just retransmit any package to automobile-used Network.In other words, the second input of the second input of the second control module 1601 and the first control module 1501 is without letter Number input.Now, the second control module 1601 is according to the second control signal Sc2 forbidden energy second switches adjuster 1603.Second opens After pass adjuster 1603 is disabled, second switch adjuster 1603 stops output second voltage V2 electrons application module 140.

Then, control chip 120 produces the first control signal Sc1 to the first control module 1501, uses closing first and opens Close adjuster 1503.For example, the first input end of the first control module 1501 is pulled into low level by control chip 120(That is, With low level first control signal Sc1).Now, the first control module 1501 is according to the first control signal Sc1 forbidden energy first Switching regulaor 1503.After first switch adjuster 1503 is disabled, first switch adjuster 1503 stops the electricity of output second V2 is to network switch 130 for pressure.Now, network switch 130 is turned off with corresponding electronic application module 140, only remains first The control module 1601 of control module 1501 and second is still in running.

In certain embodiments, reference picture 3, each control module(That is, the first control module 1501, the first control module 1521st, the second control module 1601 or the second control module 1621)May include a signal detection circuit SD, a finite state machine (Finite State Machine;FSM)A unit F SM and logic unit LU.

Signal detection circuit SD is connected to automobile-used network, and is electrically connected with network switch 130 via automobile-used network(132) With electronic application module 140(142).

Finite state machine unit F SM is electrically connected with second input of signal detection circuit SD and logic unit LU.

The first input end of logic unit LU is connected to control chip 120 or electronic application module 140(142)Physical layer 1401(1421), and receive control signal Sc(That is, the first control signal Sc1 or the second control signal Sc2).Logic unit LU's Output end is then connected to corresponding switching regulaor, and exports enable signal EN or forbidden energy signal dEN to corresponding switch-mode regulation The control end of device.

That is, in the first control module 1501(1521)In, the first input end of logic unit LU is connected to control Chip 120, and receive the first control signal Sc1 from control chip 120.The output end of logic unit LU is connected to corresponding First switch adjuster 1503(1523), and control corresponding first switch to adjust by enable signal EN or forbidden energy signal dEN Device 1503(1523)Open or close.

And in the second control module 1601(1621)In, the first input end of logic unit LU is connected to electronic application module 140(142)Functional circuit 1403(1423), and receive from functional circuit 1403(1423)The second control signal Sc2.Patrol The output end for collecting unit LU is connected to corresponding second switch adjuster 1603(1623), and believed by enable signal EN or forbidden energy Number dEN controls corresponding second switch adjuster 1603(1623)Open or close.

In this, signal detection circuit SD can detect the interface signal S on automobile-used networkMDI, and a signal detection is exported according to this As a result RS.

Finite state machine unit F SM can confirmation signal circuit for detecting SD the interface signal S for being detectedMDINon-noise (Noise)Caused erroneous judgement.In other words, finite state machine unit F SM can exclude the signal detection result produced by noise.

In certain embodiments, logic unit LU can be an OR gate(OR Gate).Now, when signal detection circuit SD is true Detect interface signal S in factMDIWhen, the signal detection result RS of signal detection circuit SD exportable " logic 1 ".And work as signal and detect Slowdown monitoring circuit SD does not detect interface signal S reallyMDIWhen, signal detection circuit SD then exports the signal detection result of " logical zero " RS。

Therefore, logic unit LU carries out the logical operation of signal detection result RS and control signal Sc, and according to computing knot Fruit export enable signal EN or forbidden energy signal dEN to corresponding switching regulaor, with control corresponding switching regulaor open or Close.

In certain embodiments, control chip 120 can be the head end master control chip of vehicle.In certain embodiments, net Network exchanger 130,132 can be realized by the single switching device of multichannel, or be realized by the multiple switch device for repeatedly connecing.One In a little embodiments, each electronic application module 140,142 is, for example, multi-media module, vehicle backing backsight image module or exempts from key Module etc..In certain embodiments, be between control chip 120 and network switch 130,132 by xMII such as MII, GMII, The communication interfaces such as RGMII, RMII are linked up(It is electrically connected with).In certain embodiments, interface signal SMDICan be medium dependent interfaces (Medium Dependent Interface;MDI)Signal.

In certain embodiments, automobile-used network can be controller LAN(Controller Area Network;CAN)、 LIN(Local Interconnect Network;Interconnection system Local Area Network)、FlexRay、IDB-1394、MOST(Media Oriented Systems Transport)Fiber optic network or Ethernet(Ethernet)Deng.

Reference picture 4, when automobile-used Web vector graphic Ethernet, second switch adjuster 1603 can via supply unit 180, Ethernet and power supply unit 170 are connected to battery module 110.In other words, battery module 110 passes through power supply unit 170 by electricity Source(First voltage)Input is to Ethernet, and second switch adjuster 1603 receives Ethernet by supply unit 180 again On power supply.

Although the present invention is disclosed above with foregoing embodiment, so it is not limited to the present invention, any to be familiar with alike Those skilled in the art, without departing from the spirit and scope of the present invention, when can make a little change with retouching, therefore patent of the invention protect Shield scope must be defined depending on the claim person of defining appended by this specification.

Claims (16)

1. a kind of auto electronic system, including:
One battery module, is used to provide a first voltage;
One control chip, is used to export one first control signal;
Multiple headend apparatus, including:
One network switch, is used to export an interface signal;And
One first power supply circuit, is used to for the first voltage to be converted into one first power supply second voltage,
And according at least one of first control signal and the interface signal come by the first power supply second voltage export to The network switch is waking up the network switch;And
Multiple terminal installations, including:
One electronic application module;And
One second power supply circuit, is used to for the first voltage to be converted into one second power supply second voltage,
And exported the second power supply second voltage to this according at least one of one second control signal and the interface signal Electronic application module is waking up the electronic application module.
2. auto electronic system as claimed in claim 1, wherein first power supply circuit includes:
One first switch adjuster, when the enable, the first power supply second voltage to be exported and gives the network switch;And
One first control module, via the automobile-used network connection network switch, to according to first control signal and should Interface signal controls the switch of the first switch adjuster.
3. auto electronic system as claimed in claim 2, wherein first control module includes:
One signal detection circuit, via the automobile-used network connection network switch, is used to detect the interface signal and exports according to this One signal detection result;
One finite state machine unit, is used to confirm the detecting of the signal detection circuit;And
One logic unit, to according to first control signal and the signal detection result come the enable first switch adjuster.
4. auto electronic system as claimed in claim 2, wherein first control module are not power-off modular.
5. auto electronic system as claimed in claim 1, wherein second power supply circuit includes:
One second switch adjuster, when the enable, the second power supply second voltage to be exported and gives the electronic application module;With And
One second control module, via the automobile-used network connection network switch, to according to the interface signal control this The switch of two switching regulaors.
6. auto electronic system as claimed in claim 5, wherein electronic application module includes:
One physical layer, is electrically connected with second power supply circuit, and via the automobile-used network connection first power supply circuit;And
One functional circuit, to export one second control signal and the interface signal according to external information;
Wherein, second control module is also used to according to the interface signal and the second control signal enable second switch regulation Device.
7. auto electronic system as claimed in claim 6, wherein second control module includes:
One signal detection circuit, via the automobile-used network connection network switch, is used to detect the interface signal and exports according to this One signal detection result;
One finite state machine unit, is used to confirm the detecting of the signal detection circuit;And
One logic unit, to according to second control signal and the signal detection result enable second switch adjuster.
8. auto electronic system as claimed in claim 5, the wherein automobile-used network are an Ethernet, and the second switch is adjusted Section device is electrically connected with the battery module via the Ethernet.
9. auto electronic system as claimed in claim 5, wherein second control module are not power-off modular.
10. a kind of method of supplying power to of auto electronic system, including:
One first control signal is exported using a control chip;
According to the first switch adjuster in the first control signal enable multiple headend apparatus;
The network switch in multiple headend apparatus is supplied electricity to call out based on a first voltage using the first switch adjuster The awake network switch;
An interface signal to an automobile-used network is exported using the network switch;
According to the second switch adjuster in the interface signal enable multiple terminal installation on the automobile-used network;And
Supply electricity to be connected with the network switch via the automobile-used network based on the first voltage using the second switch adjuster With the electronic application module in multiple terminal installations of communication waking up the electronic application module.
The method of supplying power to of 11. auto electronic systems as claimed in claim 10, also includes:
A dormancy package is exported using the control chip;
The dormancy package is transmitted to the electronic application module via the network switch and the automobile-used network;And
One second control signal is produced according to the dormancy package using the electronic application module;And
According to the second control signal forbidden energy second switch adjuster, to cause the second switch adjuster to stop power supply to this Electronic application module.
A kind of 12. method of supplying power to of auto electronic system, including:
One control signal is exported according to an external information using the electronic application module in multiple terminal installations;
According to the first switch adjuster in control signal enable multiple terminal installation;
Supply electricity to the electronic application module to wake up the electronic application mould based on a first voltage using the first switch adjuster Block;
An interface signal to an automobile-used network is exported using the electronic application module;
According to the second switch adjuster in the interface signal enable multiple headend apparatus on the automobile-used network;And
Supply electricity to connect via the automobile-used network and the electronic application module based on the first voltage using the second switch adjuster A network switch in the multiple headend apparatus for connecing and communicating is waking up the network switch.
The method of supplying power to of 13. auto electronic systems as claimed in claim 12, the wherein control signal are by the electronic application The functional circuit not powered off in module is produced.
A kind of 14. method of supplying power to of auto electronic system, including:
Export an interface signal to an automobile-used network, the wherein network switch in the automobile-used network connection multiple headend apparatus It is automobile-used each other by this with the electronic application module with the electronic application module in multiple terminal installations, and the network switch Network is communicated;
According at least one of interface signal in one first control signal from a control chip and the automobile-used network A first switch adjuster in enable multiple headend apparatus;
When the first switch adjuster is enabled, the network is supplied electricity to based on a first voltage using the first switch adjuster Exchanger is waking up the network switch;
According in the interface signal on one second control signal from the electronic application module and the automobile-used network at least A second switch adjuster in one enable multiple terminal installation;And
When the second switch adjuster is enabled, the electronics is supplied electricity to based on a first voltage using the second switch adjuster Application module is waking up the electronic application module.
The enable step of the method for supplying power to of 15. auto electronic systems as claimed in claim 14, wherein the first switch adjuster Suddenly include:
Detect the interface signal on the automobile-used network and export a signal detection result according to this;And
According at least one of first control signal and the signal detection result enable first switch adjuster.
The enable step of the method for supplying power to of 16. auto electronic systems as claimed in claim 14, wherein the second switch adjuster Suddenly include:
The interface signal on the automobile-used network is detected, and exports a signal detection result;And
According at least one of second control signal and the signal detection result enable second switch adjuster.
CN201310094783.XA 2013-03-22 2013-03-22 Auto electronic system and its method of supplying power to CN104062911B (en)

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