CN103010130A - Method and device for supplying energy to motor vehicle system of motor vehicle after power supply failure in motor vehicle - Google Patents
Method and device for supplying energy to motor vehicle system of motor vehicle after power supply failure in motor vehicle Download PDFInfo
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- CN103010130A CN103010130A CN2012103541217A CN201210354121A CN103010130A CN 103010130 A CN103010130 A CN 103010130A CN 2012103541217 A CN2012103541217 A CN 2012103541217A CN 201210354121 A CN201210354121 A CN 201210354121A CN 103010130 A CN103010130 A CN 103010130A
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- energy
- self
- propelled vehicle
- automotive system
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
Abstract
The present invention relates to a method (200) for supplying energy to a motor vehicle (100) after energy supply failure in the motor vehicle (100), wherein the method (200) includes a storing step (202), a monitoring step (204) and a supplying step (206). In the storing step (202), the energy from an energy network (106) of the motor vehicle (100) is stored in a lighting component (308) of the motor vehicle (100) when energy is supplied to the motor vehicle (100), particularly stored in an energy buffer (108) of a background lighting component. In the monitoring step (204), the energy network (106) is monitored for identifying energy supply failure condition. In the supplying step (206), the energy stored in the energy buffer (108) is supplied for the motor vehicle system (104) when energy supply failure condition is identified, thereby supplying energy to the motor vehicle system (104) after energy loss.
Description
Technical field
The present invention relates to a kind ofly interrupt after method, a kind of for occurring at self-propelled vehicle after the energy supply interruption situation to device and a kind of corresponding computer program of the automotive system supplying energy of this self-propelled vehicle from the situation to the automotive system supplying energy of this self-propelled vehicle for energy supply occurs at self-propelled vehicle.
Background technology
Traditional automotive system no longer running in the situation that unexpected energy supply interrupts occurs such as the safety air bag controller of self-propelled vehicle in the automobile-used circuit of self-propelled vehicle.
Open source literature US 2008204397A shows a kind of background illumination equipment and a kind of LCD(Liquid Crystal Display that comprises described background illumination equipment) display equipment.
Summary of the invention
Under this background, a kind of interrupt after method, a kind of for occurring at self-propelled vehicle after the energy supply interruption situation to device and a kind of corresponding computer program of the automotive system supplying energy of this self-propelled vehicle from the situation to the automotive system supplying energy of this self-propelled vehicle for energy supply occurs at self-propelled vehicle with introduction of the present invention by independent claims are described.Favourable design plan obtains from corresponding dependent claims and following explanation.
The present invention is based on such understanding, namely in the self-propelled vehicle of the telltale with background illumination, had the cond that voltage fluctuation is compensated be used to being used for of carrying that high-tension mechanism and at least one coordinate therewith mutually.The member of the existence of described telltale can switch in the situation of outage with security-related automotive system such as driver assistance system or passenger protection or occupant after on the pull system and after degradation of energy to its supplying energy.
Can be advantageously by being used for of both having deposited carry high-tension mechanism and the cond both deposited make provide the Contingency supply energy for automotive system.Then for described Contingency supply energy, do not need the larger cond of self, because can be with more energy storage in the cond of both having deposited by means of higher voltage.
The invention provides and a kind ofly interrupt after the situation to the method for the automotive system supplying energy of this self-propelled vehicle for energy supply occurs at self-propelled vehicle, wherein the method has following steps:
Will be from the energy storage of the energy net of this self-propelled vehicle in the energy buffer of the illumination component of this self-propelled vehicle especially background illumination element of display unit when providing energy by described self-propelled vehicle;
Described energy net is monitored, be used for the identification energy supply and interrupt situation; And
When identifying energy supply and interrupt situation, for automotive system provides stored energy from energy buffer, be used for after degradation of energy to described automotive system supplying energy.
In addition, the invention provides and a kind ofly interrupt after the situation to the device of the automotive system supplying energy of described self-propelled vehicle for energy supply occurs at self-propelled vehicle, wherein this device has following characteristics:
Being used for when providing energy by described self-propelled vehicle will be from the energy storage of the energy net of self-propelled vehicle at the illumination component of the described self-propelled vehicle especially mechanism of the energy buffer of the background illumination element of display unit;
For the mechanism that the energy net is monitored, be used for identifying energy supply and interrupt situation; And
Be used for when identifying energy supply and interrupt situation being used for after energy supply interrupts to described automotive system supplying energy for described automotive system provides mechanism from the stored energy of energy buffer.
By this enforcement flexible program that is configured to the form of device of the present invention, task of the present invention can be resolved fast and effectively.
Automotive system be such as can being and security-related system, such as driver assistance system, passenger protection mechanism is such as the safety air bag controller or similarly do not rely on the in other words automotive system of illumination component of lighting unit.The energy net of self-propelled vehicle can refer to have the automobile-used circuit of specific cell pressure.Energy buffer can be that cond is such as electrolytic condenser.The background illumination element can be the device that is made of luminous diode.For monitoring, such as monitoring the electric current in the energy net or the voltage that loads.For energy is provided, such as can cabinet switch.
Device can refer to a kind of electrical equipment at this, this electrical equipment processes sensor signal and accordingly output control and/or data-signal.This device can have interface, and described interface can consist of in the mode of hardware and/or software.When the mode with hardware consisted of, described interface was such as being so-called system ASIC(special IC) a part, this part comprises the very different function of described device.But also can arrange like this, namely described interface is integrated switch circuit or at least part of structural constituent that comprises dispersion of self.When the mode with software consisted of, described interface can be software module, described software module except other software module such as also being present on the microcontroller.
In the step of described storage, the voltage of energy net can be risen to the voltage of described energy buffer, be used for storing energy in described energy buffer.By the lifting of voltage levvl, can keep identical buffer face to store more multi-energy.Keep the energy of identical amount can be stored in thus on the less buffer face.With low cost and the saving locational space of the energy buffer that less energy buffer is larger.
In the described step that energy is provided, the voltage in the energy buffer can be flowed to described automotive system, be used for to described automotive system supplying energy.Reduction by voltage levvl in the process of energy is provided can prevent that automotive system from suffering over voltage and described automotive system can fulfil reliably its function.Also can be directly to described automotive system supplying energy for corresponding voltage levvl.
In the step of described monitoring, can monitor the voltage levvl of described energy net, be used for monitoring the functional status of described energy net.By the monitoring to the voltage levvl in the described energy net, can monitor described energy net with small degradation of energy.
In the described step that energy is provided, described energy buffer can be conducted electricity with described automotive system and is connected, and is used to described automotive system that stored energy is provided.The connection of conduction is such as setting up by means of relay or transistor.Described energy buffer can be separated with described automotive system aspect electric when the energy net of described self-propelled vehicle provides energy.
In the described step that energy is provided, described energy buffer can be separated with described illumination component aspect electric, is used to described automotive system that more multi-energy is provided.In the situation that energy supply interrupts, such as described telltale will automotive system be unimportant as described.Such as in the moment that has an accident, the safety air bag controller is just important than the telltale of navigating instrument.
Described method can have the sequence that opens circuit (Abschaltssequenz) that activates when energy supply interrupts situation for described automotive system identifying.The sequence that opens circuit reduces to the function relevant with automobile safety such as referring to function.Equally, the described sequence that opens circuit can be in situation about having an accident such as the interruption that causes that at the engine control instrument fuel is supplied with.By the sequence that opens circuit, described automotive system is stopped using reliably, and do not cause that unwelcome action is such as the false triggering of safety air bag.
In the described sequence that opens circuit, can preserve at least one system parameter of described automotive system.Such as the data before energy supply interrupts that can preserve self-propelled vehicle, in order to can infer afterwards the fault of existence.Can in the situation that power supply is interrupted momently, shorten equally the starting process following closely of described automotive system by described preservation.
The computer program that also advantageously has program code, described program code can be kept at the machine sensible carrier such as being used for implementing by the described method of one of embodiment described above on the memory device of semiconductor memory, harddisk memory or optics and when computing machine or device are carried out described program.
Description of drawings
The below exemplarily is explained in detail the present invention by means of accompanying drawing.Accompanying drawing illustrates as follows:
Fig. 1 is the block scheme that has by the self-propelled vehicle of the device of a kind of embodiment of the present invention, and this device is used for after degradation of energy appears in self-propelled vehicle the automotive system supplying energy to described self-propelled vehicle;
Fig. 2 is the diagram of circuit by the method for a kind of embodiment of the present invention, and the method is used for after degradation of energy appears in self-propelled vehicle the automotive system supplying energy to described self-propelled vehicle; And
Fig. 3 is the block scheme by the device of a kind of embodiment of the present invention, and this device is used for after degradation of energy appears in self-propelled vehicle the automotive system supplying energy to described self-propelled vehicle.
In the explanation of next preferred embodiment of the present invention being done, for using identical or similar Reference numeral at shown in the different accompanying drawings and element that play similar effect, wherein abandon the description to the repetition of these elements.
The specific embodiment
Fig. 1 shows the block scheme of the self-propelled vehicle 100 with device 102, and this device 102 is used for installing 202 at this and that is to say after malfunctioning at self-propelled vehicle 100 and energy supply interruption (next being also referred to as " degradation of energy ") occurs afterwards to automotive system 104 supplying energies of described self-propelled vehicle 100.Described device 102 and described automotive system 104 by a kind of embodiment of the present invention is connected with the energy net 106 of described self-propelled vehicle 100.Described device 102 is connected with described automotive system.In addition, described device is connected with the background lighting unit of the telltale of the especially described self-propelled vehicle 100 of energy buffer 108 of lighting unit.Described automotive system 104 is supplied with energy by the energy net 106 of described self-propelled vehicle 100 usually such as safety air bag controller or emergency calling system.104 when supplying with energy from described energy net 106 to described automotive system, described device 102 then be configured to from the energy storage of described energy net 106 in described energy buffer 108.Described device 102 is configured to aspect loss in voltage described energy net 106 be monitored.Described device 102 is configured to obtain stored energy and provide it to described automotive system 104 from described energy buffer 108 when this device 102 is determined degradation of energy in the described energy nets 106.
Fig. 2 shows the diagram of circuit of the method 200 of a kind of embodiment of the present invention, and the method is used for after degradation of energy appears in self-propelled vehicle the automotive system supplying energy to described self-propelled vehicle.The step 202 of storage, the step 204 of monitoring and the step 206 that provides are provided the method 200.Described method 200 can carried out at Fig. 1 and device the same shown in Fig. 3.In the step 202 of described storage, will be from the energy storage of the energy net of described self-propelled vehicle in the energy buffer of the illumination component of the described self-propelled vehicle especially background illumination element of display unit when providing energy by described self-propelled vehicle.In the step 204 of described monitoring, described energy net is monitored, be used for the identification energy supply and interrupt situation.In the described step 206 that provides, when identifying energy supply and interrupt situation, for described automotive system provides stored energy from described energy buffer, be used for after described energy supply interrupts to described automotive system supplying energy.
In order in self-propelled vehicle, after outage, also to keep important vehicle function, such as the cond with higher electric capacity being used as in short-term energy storage.But the cond that special quality has enough electric capacity is relatively more expensive.Utilize the low voltage that only in self-propelled vehicle, can obtain, can not store larger energy.By means of self be used for carry high-tension device, can improve low voltage and with more energy storage in described cond.
Scheme described here has been described the situation of coming extraly the supply voltage of background illumination to be used for carrying out system cache according to a kind of embodiment of the present invention.This supply voltage device can obtain in use has the equipment of telltale of LED background illumination and needn't produce extraly.Described voltage typically is approximately 24V to 35V.With respect to the identical system cache when the normal cell pressure capacitance of employed cond has been reduced factor four thus.By described system cache, can carry out at any time the defined sequence that opens circuit of system.Also described system cache can be used for important data being saved in the permanent storage when unexpectedly the supply voltage interruption occurring at display instrument, the defined communication of opening circuit sequence or guaranteeing the outside in the regular hour of guaranteeing the TFT telltale is such as CAN.
Fig. 3 shows the block scheme of device 102, and this device is used for after degradation of energy appears in self-propelled vehicle automotive system 104 supplying energies to described self-propelled vehicle.This device 102 is such as the device 102 that can be equivalent to Fig. 1.On described device 102, can carry out shown in figure 2 method.This device 102 comprises be used to the mechanism 302,108 that stores, for the mechanism 304 that monitors and for the mechanism 306 that energy is provided.Described mechanism 302,108 be used to storing comprises voltage lift unit 302 thus, improves voltage levvl in described voltage lift unit, wherein energy is stored in the described energy buffer 108 veritably.Described voltage lift unit 302 is connected with the energy net 106 of self-propelled vehicle by the first wire.Diode between described voltage lift unit 302 and the described mechanism 306 for energy is provided prevents that equally the energy that is stored in described energy buffer 108 from flowing out by background illumination element 308.In addition, energy buffer 108 and the described mechanism 306 be used to energy be provided of described voltage lift unit 302 by the second wire and described background illumination element 308, described background illumination element 308 is connected.Described mechanism 304 be used to monitoring is connected with described energy net 106 by privates.Described mechanism 304 be used to monitoring is connected with described mechanism 306 be used to energy is provided by control line.Described mechanism 306 be used to energy is provided is connected with described energy buffer 108, background illumination element 308 and voltage lift unit 302 by the second wire.In addition, described mechanism 306 be used to energy is provided is connected with described automotive system 104 by privates.This automotive system 104 is connected with described energy net 106.Described energy net 106 is such as the diode 310 that can have as reverse protection device.This diode 310 can be arranged in described energy net 106 between the branch road of the branch road of described privates and described the first wire.This diode 310 not only as reverse protection device, and prevents that stored energy from flowing in the described energy net 106 and only flow to thus described automotive system 104 when degradation of energy occurring in described energy net at this.Here shown background illumination element 308 is made of luminous diode.Described energy buffer 108 is the cond as energy storage in such an embodiment.Described voltage lift unit 302 is configured to from the transformation of energy of the energy net 106 of the self-propelled vehicle voltage levvl to other, in order to it can be stored in the energy buffer 108 of described background illumination element 308 when providing energy as cell pressure by described energy net 106 by self-propelled vehicle.Described voltage lift unit 302 is configured to produce the voltage that is used for described background illumination element 308 from the cell pressure of described energy net 106.Described voltage for background illumination element 308 is higher than cell pressure.Described mechanism 304 for energy net 106 is monitored is configured to energy net 106 is monitored, and is used for the identification degradation of energy.Described mechanism 304 for monitoring is configured to implement under-voltage detection at described energy net 106.Described mechanism 306 be used to energy is provided is configured to provide stored energy from described energy buffer 108 for described automotive system 104 in identification during degradation of energy.To send about the signal of degradation of energy described mechanism 306 be used to energy is provided to by pilot, be used for after degradation of energy to described automotive system 104 supplying energies.In such an embodiment, described mechanism 306 be used to energy is provided is relays, this relay is being electrically connected described the second wire of responsively making of described signal and described privates, is used for making stored energy flow to described automotive system 104 from described energy storage 108.
In other words, Fig. 1 to 3 shows for the embodiment that carries out system cache by the background illumination voltage of telltale.When this unexpected loss at the supply voltage that system occurs, background illumination voltage is used for carrying out system cache.Basically utilize the typically higher level of central display unit in the self-propelled vehicle or the background illumination in the combination instrument here.
The controller that also should continue to have Functional Capability after the voltage interruption in supply the defined time in the self-propelled vehicle requires the system cache of the form of energy storage such as the safety air bag controller.Such as can use charge storage such as electric cond for this reason.The energy that is stored in the cond passes through formula:
Define, wherein E is energy, and C is that electric capacity and the U of cond is the voltage that is carried on the described cond.
Because voltage enters into energy with quadratic form and calculates, so described voltage can improve by special-purpose lifting regulating control (Step-Up-Regler).Use less capacitance when this can be identical at stored energy.
Only exemplarily selected embodiment described and illustrated in the accompanying drawings.Different embodiment can be fully or about single feature combination with one another.A kind of embodiment also can be replenished by the feature of another kind of embodiment.
In addition, can repeatedly and with the order different from described order carry out by method step of the present invention.
Claims (10)
1. be used for self-propelled vehicle (100) occur energy supply interrupt after to the method (200) of automotive system (104) supplying energy of this self-propelled vehicle (100), wherein the method (200) has following steps:
Will be from the energy storage (202) of the energy net (106) of this self-propelled vehicle (100) at the illumination component (308) of this self-propelled vehicle (100), especially in the energy buffer (108) of the background illumination element of display unit when energy is provided by described self-propelled vehicle (100);
Described energy net (106) is monitored (204), be used for the identification energy supply and interrupt; And
When identifying energy supply interruption situation, be that described automotive system (104) provides (206) stored energy from energy buffer (108), be used for after energy supply interrupts to described automotive system (104) supplying energy.
2. by the described method of claim 1 (200), wherein in the step (202) of described storage, the voltage of described energy net (106) is risen to the voltage of described energy buffer (108), be used for storing energy in described energy buffer (108).
3. by each described method (200) in the aforementioned claim, wherein the voltage in the described energy buffer (108) of the described automotive system of conveying (104) in the described step that provides (206) is used for to this automotive system (104) supplying energy.
4. by each described method (200) in the aforementioned claim, wherein in the step (204) of described monitoring, the voltage levvl of described energy net (106) is monitored, be used for described energy net (106) is monitored.
5. by each described method (200) in the aforementioned claim, described energy buffer (108) is conducted electricity with described automotive system (104) be connected, be used to this automotive system (104) that stored energy is provided.
6. by each described method (200) in the aforementioned claim, described energy buffer (108) and described illumination component (308) are separated aspect electric.
7. by each described method (200) in the aforementioned claim, has the step that activates the sequence that opens circuit that is used for described automotive system (104) when energy supply interrupts situation identifying.
8. by method claimed in claim 7, wherein in the described sequence that opens circuit, store at least one system parameter of described automotive system (104).
9. be used for self-propelled vehicle (100) occur energy supply interrupt after to the device (102) of automotive system (104) supplying energy of this self-propelled vehicle (100), wherein this device (102) has following characteristics:
Be used for will be from the energy storage of the energy net (106) of this self-propelled vehicle (100) mechanism (302,108) in the energy buffer (108) of the background illumination element of the especially display unit of the illumination component (308) of this self-propelled vehicle (100) when energy is provided by described self-propelled vehicle (100);
For the mechanism (304) that energy net (106) is monitored, be used for identifying energy supply and interrupt; And
Being used for when identifying the energy supply interruption is that described automotive system (104) provides the mechanism (306) from the stored energy of described energy buffer (108), is used for after degradation of energy to described automotive system (104) supplying energy.
10. the computer program that has program code is used for implementing by each described method of claim 1 to 8 when device is carried out described program.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE201110083286 DE102011083286A1 (en) | 2011-09-23 | 2011-09-23 | Method for supplying e.g. airbag computer with energy after power supply failure, involves storing energy from power network, and utilizing stored energy to energize vehicle system when power supply failure is detected |
| DE102011083286.6 | 2011-09-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103010130A true CN103010130A (en) | 2013-04-03 |
| CN103010130B CN103010130B (en) | 2016-09-28 |
Family
ID=47827659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210354121.7A Active CN103010130B (en) | 2011-09-23 | 2012-09-21 | For the method and apparatus to the automotive system supplying energy of motor vehicles |
Country Status (4)
| Country | Link |
|---|---|
| CN (1) | CN103010130B (en) |
| DE (1) | DE102011083286A1 (en) |
| FR (1) | FR2980652B1 (en) |
| IT (1) | ITMI20121553A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109642921A (en) * | 2016-09-06 | 2019-04-16 | 罗伯特·博世有限公司 | Accumulator lacks the device and method being electrically connected with the onboard power system of energy supply system, especially motor vehicle for identification |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102016215834A1 (en) * | 2016-08-23 | 2018-03-01 | Continental Teves Ag & Co. Ohg | Method for operating a pressure control device and pressure control device for carrying out the method |
| DE102019112874A1 (en) * | 2019-05-16 | 2020-11-19 | Schaeffler Technologies AG & Co. KG | GUARANTEE EMERGENCY OPERATION OF AN ACTUATOR |
Citations (5)
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|---|---|---|---|---|
| JP2003244856A (en) * | 2002-02-15 | 2003-08-29 | Toshiba Corp | Power controller |
| US20040124811A1 (en) * | 2002-09-30 | 2004-07-01 | Daniel Kok | Method for supplying power in an electrical power supply system having a supercapacitor |
| CN1697748A (en) * | 2003-06-26 | 2005-11-16 | 松下电器产业株式会社 | Vehicle power source device |
| CN101549673A (en) * | 2009-05-08 | 2009-10-07 | 奇瑞汽车股份有限公司 | Method and circuit for waking-up weak hybrid power entire car controller in dormant mode |
| US20100145539A1 (en) * | 2005-09-20 | 2010-06-10 | Matthias Schmidt | Energy Management System for a Motor Vehicle |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101410465B1 (en) | 2007-02-22 | 2014-06-23 | 삼성디스플레이 주식회사 | Backlight device and liquid crystal display device having the same |
-
2011
- 2011-09-23 DE DE201110083286 patent/DE102011083286A1/en not_active Ceased
-
2012
- 2012-09-19 IT ITMI20121553 patent/ITMI20121553A1/en unknown
- 2012-09-20 FR FR1258816A patent/FR2980652B1/en active Active
- 2012-09-21 CN CN201210354121.7A patent/CN103010130B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003244856A (en) * | 2002-02-15 | 2003-08-29 | Toshiba Corp | Power controller |
| US20040124811A1 (en) * | 2002-09-30 | 2004-07-01 | Daniel Kok | Method for supplying power in an electrical power supply system having a supercapacitor |
| CN1697748A (en) * | 2003-06-26 | 2005-11-16 | 松下电器产业株式会社 | Vehicle power source device |
| US20100145539A1 (en) * | 2005-09-20 | 2010-06-10 | Matthias Schmidt | Energy Management System for a Motor Vehicle |
| CN101549673A (en) * | 2009-05-08 | 2009-10-07 | 奇瑞汽车股份有限公司 | Method and circuit for waking-up weak hybrid power entire car controller in dormant mode |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109642921A (en) * | 2016-09-06 | 2019-04-16 | 罗伯特·博世有限公司 | Accumulator lacks the device and method being electrically connected with the onboard power system of energy supply system, especially motor vehicle for identification |
| US11204381B2 (en) | 2016-09-06 | 2021-12-21 | Robert Bosch Gmbh | Device and method for detecting a missing electrical connection of an energy store to an energy-supply system, particularly an electrical system of a motor vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102011083286A1 (en) | 2013-03-28 |
| CN103010130B (en) | 2016-09-28 |
| ITMI20121553A1 (en) | 2013-03-24 |
| FR2980652A1 (en) | 2013-03-29 |
| FR2980652B1 (en) | 2017-12-15 |
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