CN115765138A - Dual-power redundancy protection circuit design method, circuit, application and domain controller - Google Patents
Dual-power redundancy protection circuit design method, circuit, application and domain controller Download PDFInfo
- Publication number
- CN115765138A CN115765138A CN202211442935.6A CN202211442935A CN115765138A CN 115765138 A CN115765138 A CN 115765138A CN 202211442935 A CN202211442935 A CN 202211442935A CN 115765138 A CN115765138 A CN 115765138A
- Authority
- CN
- China
- Prior art keywords
- protection circuit
- battery
- circuit
- power
- dual
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Abstract
The invention provides a design method of a dual-power redundancy protection circuit, a circuit, an application and a domain controller; the protection circuit design method comprises the following steps: respectively arranging a first protection circuit and a second protection circuit on the first battery circuit and the second battery circuit so as to obtain a dual-power redundancy protection circuit; and starting the dual-power redundancy protection circuit, and setting a working mode corresponding to the protection circuit according to the fault condition of the dual-power redundancy protection circuit so as to realize normal power supply of the first battery or the second battery to the vehicle body domain controller. According to the invention, through the design of the dual-power redundancy protection circuit, when one path of battery is abnormal, the other path of battery can normally supply power, so that the controller in the vehicle body area can work and can perform degradation processing, and the safety of a driver is ensured; in addition, the dual-power redundancy protection circuit can resist external interference to a greater extent, so that the power supply stability of the vehicle body area controller is improved, and the service life of the battery is prolonged.
Description
Technical Field
The invention relates to the field of vehicle-mounted auxiliary systems, in particular to a design method, a circuit, an application and a domain controller of a dual-power redundancy protection circuit.
Background
Along with the continuous development of intelligent driving assistance technology, people have higher and higher requirements on automobile driving assistance experience, and automatic driving slowly approaches the visual field of people.
The body area controller plays a significant role in realizing automatic driving as an indispensable part of automatic driving. The domain controller is used as a functional safety component, reliable and stable power supply becomes more critical, the current single power supply is not enough to meet the functional requirements of the vehicle body domain controller, the anti-interference capability and durability of a single power supply system are poor, the functional safety cannot be guaranteed, and the single power supply system cannot realize the functional degradation of the vehicle body domain controller under the abnormal condition so as to guarantee the safety of a driver.
Disclosure of Invention
The invention provides a design method of a dual-power redundancy protection circuit, a circuit, an application and a domain controller for solving the technical problems; the first protection circuit and the second protection circuit are arranged on the first battery circuit and the second battery circuit of the dual-power redundancy protection circuit, so that the circuit fault condition is monitored, and the working modes of the first protection circuit and the second protection circuit are set according to the monitoring result, so that the first battery or the second battery can normally supply power for the vehicle body area controller. According to the invention, through the design of the dual-power redundancy protection circuit, when one path of battery is abnormal, the other path of battery can normally supply power, so that the work-doing degradation processing of the vehicle body domain controller can be ensured, and the safety of drivers is ensured.
Specifically, the invention provides a design method of a dual-power redundancy protection circuit, which comprises the following steps:
starting a dual-power redundancy protection circuit to supply power to a vehicle body area controller; the dual-power redundancy protection circuit comprises a first battery circuit and a second battery circuit, wherein a first protection circuit and a second protection circuit are respectively arranged on the first battery circuit and the second battery circuit; and setting working modes of the first protection circuit and the second protection circuit according to the fault condition of the dual-power redundancy protection circuit so as to realize that the first battery or the second battery normally supplies power for the vehicle body area controller.
The first battery circuit includes: the device comprises a first battery, a first connector and a first protection circuit which are sequentially connected in series, wherein the other end of the first protection circuit is connected with a vehicle body area controller; the second battery circuit includes: the second battery, second connector and second protection circuit that establish ties each other in proper order, the second protection circuit other end is connected with automobile body territory controller.
Preferably, the power supply voltage of the first battery and the second battery is 12V. The dual-power redundancy protection circuit is designed to ensure that when one path of battery supplies power and is reversely connected or is under-voltage, the other path of battery can normally supply power to a vehicle body area controller; or when the controller in the automobile body area has short circuit and large current, the power supply of the first battery and the second battery can be cut off in time.
The first protection circuit at least comprises a first overcurrent and reverse connection prevention protection module; the second protection circuit at least comprises a second overcurrent and reverse connection prevention protection module.
The first overcurrent and reverse connection prevention protection module comprises a first current input end, a first current output end, a first switch pin and a first fault output port; the second overcurrent and reverse connection prevention protection module comprises a second current input end, a second current output end, a second switch pin and a second fault output port.
Preferably, the first overcurrent and reverse connection prevention protection module and the second overcurrent and reverse connection prevention protection module adopt a MAX16141 ideal diode controller.
The first protection circuit and the second protection circuit also comprise an over-voltage and under-voltage diagnosis module; the input end of the over-voltage and under-voltage diagnosis module is respectively connected with the output ends of the first connector and the second connector in series; the output end of the over-voltage and under-voltage diagnosis module is respectively connected with the first switch pin and the second switch pin in series; and the over-voltage and under-voltage diagnosis module is also communicated with the first fault output port and the second fault output port respectively.
Preferably, the overvoltage and undervoltage diagnosis module is configured to receive fault information transmitted by the first fault output port and the second fault output port, control the first switch pin and the second switch pin to be closed, and detect whether the first battery and the second battery are overvoltage or undervoltage, so as to close the switch pin corresponding to the faulty battery in time.
As another preferable mode, the invention also provides a circuit, which is one of the dual-power redundancy protection circuits, and the circuit is obtained by adopting the design method of the dual-power redundancy protection circuit.
As another preferred, the present invention also provides an application based on the circuit, comprising the steps of:
s100: and starting the dual-power redundant protection circuit to supply power to the vehicle body area controller.
S200: and setting the working modes of the first protection circuit and the second protection circuit according to the fault condition of the dual-power redundancy protection circuit.
S300: and finishing the setting of the working modes of the first protection circuit and the second protection circuit, and realizing the normal power supply of the first battery or the second battery to the vehicle body area controller.
When the first battery is reversely connected, in step S200, the working modes of the first protection circuit and the second protection circuit are specifically:
and closing the first current input end and the first current output end to cut off a power supply loop of the first battery, wherein the second battery normally supplies power to the vehicle body area controller.
When the second battery is reversely connected, in step S200, the working modes of the first protection circuit and the second protection circuit are specifically:
and closing the second current input end and the second current output end to cut off a power supply loop of the second battery, wherein the first battery normally supplies power to the vehicle body domain controller.
When the vehicle body area controller is short-circuited or works abnormally to cause a large current, in step S200, the working modes of the first protection circuit and the second protection circuit are specifically:
the first fault output port and the second fault output port transmit the information of the short circuit or the large current of the vehicle body area controller to the over-voltage and under-voltage diagnosis module; the overvoltage and undervoltage diagnosis module closes the first switch pin and the second switch pin respectively, so that the first current output end and the second current output end are closed to cut off power supply loops of the first battery and the second battery.
When the overvoltage/undervoltage diagnosis module detects that the first battery is overvoltage or undervoltage, in step S200, the working modes of the first protection circuit and the second protection circuit are specifically:
and closing the first switch pin to enable the first current output end to be closed so as to cut off a power supply loop of the first battery, wherein the second battery normally supplies power to the vehicle body area controller.
When the overvoltage/undervoltage diagnosis module detects that the second battery is overvoltage or undervoltage, in step S200, the working modes of the first protection circuit and the second protection circuit are specifically:
and closing the second switch pin to close the second current output end so as to cut off a power supply loop of the second battery, wherein the first battery normally supplies power to the vehicle body area controller.
As another preferred embodiment, the present invention further provides a domain controller, where the domain controller is connected to a power supply through a dual-power redundancy protection circuit, and the dual-power redundancy protection circuit uses the application of the circuit to realize normal power supply of the domain controller.
Finally, the invention provides a dual-power redundancy protection circuit design method, a circuit, an application and a domain controller; the protection circuit design method comprises the following steps: respectively arranging a first protection circuit and a second protection circuit on the first battery circuit and the second battery circuit so as to obtain a dual-power redundancy protection circuit; and starting the dual-power redundancy protection circuit, and setting a working mode corresponding to the protection circuit according to the fault condition of the dual-power redundancy protection circuit so as to realize normal power supply of the first battery or the second battery to the vehicle body domain controller. According to the invention, through the design of the dual-power redundancy protection circuit, when one path of battery is abnormal, the other path of battery can normally supply power, so that the controller in the vehicle body area can work and can perform degradation processing, and the safety of a driver is ensured; in addition, the dual-power redundancy protection circuit can resist external interference to a greater extent, so that the power supply stability of the vehicle body area controller is improved, and the service life of the battery is prolonged.
Drawings
Fig. 1 shows a design method of a dual power redundancy protection circuit according to the present invention.
Fig. 2 is a dual power redundancy protection circuit according to the present invention.
Fig. 3 is an application of the dual power redundancy protection circuit based on fig. 2.
Detailed Description
The dual power redundancy protection circuit design method, circuit, application and domain controller of the present invention will be described in further detail with reference to the following embodiments and accompanying drawings.
Specifically, as shown in fig. 1, the present invention provides a method for designing a dual power redundancy protection circuit, which comprises the following steps:
starting a dual-power redundant protection circuit to supply power to a vehicle body area controller; the dual-power redundancy protection circuit comprises a first battery circuit and a second battery circuit, and a first protection circuit and a second protection circuit are respectively arranged on the first battery circuit and the second battery circuit; and setting working modes of the first protection circuit and the second protection circuit according to the fault condition of the dual-power redundancy protection circuit so as to realize that the first battery or the second battery normally supplies power for the vehicle body area controller.
Preferably, the power supply voltage of the first battery and the second battery is 12V. The dual-power redundancy protection circuit is designed to ensure that when one path of battery supplies power and is reversely connected or is under-voltage, the other path of battery can normally supply power to a vehicle body area controller; or when the controller in the vehicle body area has short circuit and large current, the power supply of the first battery and the second battery can be cut off in time.
The first battery circuit includes: the device comprises a first battery, a first connector and a first protection circuit which are sequentially connected in series, wherein the other end of the first protection circuit is connected with a vehicle body area controller; the second battery circuit includes: the second battery, second connector and second protection circuit that establish ties each other in proper order, the second protection circuit other end is connected with automobile body territory controller.
Preferably, the body area controller may substantially reduce the number of ECUs.
The first protection circuit at least comprises a first overcurrent and reverse connection prevention protection module; the second protection circuit at least comprises a second overcurrent and reverse connection prevention protection module.
The first overcurrent and reverse connection prevention protection module comprises a first current input end, a first current output end, a first switch pin and a first fault output port; the second overcurrent and reverse connection prevention protection module comprises a second current input end, a second current output end, a second switch pin and a second fault output port.
Preferably, the first overcurrent and reverse-connection prevention protection module and the second overcurrent and reverse-connection prevention protection module adopt a MAX16141 ideal diode controller, and the MAX16141 ideal diode controller has a low power consumption mode capable of providing limited power for a load and an internal switch which is helpful for reducing power consumption in a turn-off mode; and a fault output port is also provided, and the fault output port can send out signals under the fault condition.
The first protection circuit and the second protection circuit also comprise an over-voltage and under-voltage diagnosis module; the input end of the over-voltage and under-voltage diagnosis module is respectively connected with the output ends of the first connector and the second connector in series; the output end of the over-voltage and under-voltage diagnosis module is respectively connected with the first switch pin and the second switch pin in series; and the over-voltage and under-voltage diagnosis module is also communicated with the first fault output port and the second fault output port respectively.
Preferably, the overvoltage and undervoltage diagnosis module is configured to receive fault information transmitted by the first fault output port and the second fault output port, control the first switch pin and the second switch pin to be closed, and detect whether the first battery and the second battery are overvoltage or undervoltage, so as to close the switch pin corresponding to the faulty battery in time.
As another preferred mode, as shown in fig. 2, the present invention further provides a circuit, which is one of the dual-power redundancy protection circuits, and the circuit is obtained by using the design method of the dual-power redundancy protection circuit.
As another preferred, as shown in fig. 3, the present invention further provides an application based on the circuit, including the following steps:
s100: and starting the dual-power redundant protection circuit to supply power to the vehicle body area controller.
Preferably, the dual-power redundancy protection circuit is started, and meanwhile, the circuit is subjected to fault monitoring.
S200: and setting the working modes of the first protection circuit and the second protection circuit according to the fault condition of the dual-power redundancy protection circuit.
When the first battery is reversely connected, in step S200, the working modes of the first protection circuit and the second protection circuit are specifically:
and closing the first current input end and the first current output end to cut off a power supply loop of the first battery, wherein the second battery normally supplies power to the vehicle body area controller.
When the second battery is reversely connected, in step S200, the working modes of the first protection circuit and the second protection circuit are specifically:
and closing the second current input end and the second current output end to cut off a power supply loop of the second battery, wherein the first battery normally supplies power to the vehicle body area controller.
When the vehicle body area controller is short-circuited or works abnormally to cause a large current, in step S200, the working modes of the first protection circuit and the second protection circuit are specifically:
the first fault output port and the second fault output port transmit the information of the short circuit or the large current of the vehicle body area controller to the over-voltage and under-voltage diagnosis module; the overvoltage and undervoltage diagnosis module closes the first switch pin and the second switch pin respectively, so that the first current output end and the second current output end are closed to cut off power supply loops of the first battery and the second battery.
When the overvoltage/undervoltage diagnosis module detects that the first battery is overvoltage or undervoltage, in step S200, the working modes of the first protection circuit and the second protection circuit are specifically:
and closing the first switch pin to close the first current output end so as to cut off a power supply loop of the first battery, and normally supplying power to the vehicle body domain controller by the second battery.
When the overvoltage/undervoltage diagnosis module detects that the second battery is overvoltage or undervoltage, in step S200, the working modes of the first protection circuit and the second protection circuit are specifically:
and closing the second switch pin to close the second current output end so as to cut off a power supply loop of the second battery, wherein the first battery normally supplies power to the vehicle body area controller.
S300: and finishing the setting of the working modes of the first protection circuit and the second protection circuit, and realizing the normal power supply of the first battery or the second battery to the vehicle body area controller.
As another preferred embodiment, the present invention further provides a domain controller, where the domain controller is connected to a power supply through a dual-power redundancy protection circuit, and the dual-power redundancy protection circuit uses the application of the circuit to realize normal power supply of the domain controller.
Finally, the invention provides a design method, a circuit, an application and a domain controller of a dual-power redundancy protection circuit; a first protection circuit and a second protection circuit are arranged on the first battery circuit and the second battery circuit, so that a dual-power redundancy protection circuit is obtained; and setting a working mode corresponding to the protection circuit according to the fault condition of the dual-power redundancy protection circuit so as to realize normal power supply of the first battery or the second battery to the vehicle body domain controller. According to the invention, through the design of the dual-power redundancy protection circuit, when one path of battery is abnormal, the other path of battery can normally supply power, so that the controller in the vehicle body area can work and can perform degradation processing, and the safety of a driver is ensured; in addition, the dual-power redundancy protection circuit can resist external interference to a greater extent, so that the power supply stability of the vehicle body area controller is improved, and the service life of the battery is prolonged.
Although the illustrative embodiments have been described herein with reference to the accompanying drawings, it is to be understood that the foregoing illustrative embodiments are merely exemplary and are not intended to limit the scope of the invention thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the scope or spirit of the present invention. All such changes and modifications are intended to be included within the scope of the present invention as set forth in the appended claims.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the technical solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
In the several embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other manners. For example, the above-described device embodiments are merely illustrative, and for example, the division of the units is only one type of logical functional division, and other divisions may be realized in practice, for example, multiple units or components may be combined or integrated into another device, or some features may be omitted, or not executed.
The various component embodiments of the invention may be implemented in hardware, or in software modules running on one or more processors, or in a combination thereof. Those skilled in the art will appreciate that a microprocessor or Digital Signal Processor (DSP) may be used in practice to implement some or all of the functionality of some of the modules according to embodiments of the present invention. The present invention may also be embodied as apparatus programs (e.g., computer programs and computer program products) for performing a portion or all of the methods described herein. Such programs implementing the present invention may be stored on a computer readable medium or may be in the form of one or more signals. Such a signal may be downloaded from an internet website or provided on a carrier signal or in any other form.
It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.
While the invention has been described in conjunction with the specific embodiments set forth above, it is evident that many alternatives, modifications, and variations will be apparent to those skilled in the art in light of the foregoing description. Accordingly, it is intended to embrace all such alternatives, modifications, and variations that fall within the spirit and scope of the appended claims.
Claims (10)
1. A design method of a dual-power redundancy protection circuit is characterized by comprising the following steps:
starting a dual-power redundancy protection circuit to supply power to a vehicle body area controller; the dual-power redundancy protection circuit comprises a first battery circuit and a second battery circuit, wherein a first protection circuit and a second protection circuit are respectively arranged on the first battery circuit and the second battery circuit;
and setting the working modes of the first protection circuit and the second protection circuit according to the fault condition of the dual-power redundancy protection circuit so as to realize that the first battery or the second battery can normally supply power for the vehicle body area controller.
2. The dual-power-supply-redundancy protection circuit design method of claim 1, wherein the first battery circuit comprises: the device comprises a first battery, a first connector and a first protection circuit which are sequentially connected in series, wherein the other end of the first protection circuit is connected with a vehicle body area controller;
the second battery circuit includes: the second battery, second connector and second protection circuit that establish ties each other in proper order, the second protection circuit other end is connected with automobile body territory controller.
3. The design method of the dual-power redundancy protection circuit of claim 2, wherein the first protection circuit comprises at least a first overcurrent and reverse-connection prevention protection module;
the second protection circuit at least comprises a second overcurrent and reverse connection prevention protection module;
the first overcurrent and reverse connection prevention protection module comprises a first current input end, a first current output end, a first switch pin and a first fault output port;
the second overcurrent and reverse connection prevention protection module comprises a second current input end, a second current output end, a second switch pin and a second fault output port.
4. The design method of the dual power supply redundancy protection circuit according to claim 3, further comprising an over-voltage and under-voltage diagnosis module; the input end of the over-voltage and under-voltage diagnosis module is respectively connected with the output ends of the first connector and the second connector in series; the output end of the over-voltage and under-voltage diagnosis module is respectively connected with the first switch pin and the second switch pin in series; and the over-voltage and under-voltage diagnosis module is also communicated with the first fault output port and the second fault output port respectively.
5. A circuit which is one of dual-power-supply redundancy protection circuits, characterized in that the circuit is a circuit obtained by the design method of the dual-power-supply redundancy protection circuit according to any one of claims 1 to 4.
6. An application based on the circuit of claim 5, comprising the steps of:
s100: starting a dual-power redundant protection circuit to supply power to a vehicle body area controller;
s200: setting working modes of the first protection circuit and the second protection circuit according to the fault condition of the dual-power redundancy protection circuit;
s300: and finishing the setting of the working modes of the first protection circuit and the second protection circuit, and realizing the normal power supply of the first battery or the second battery to the vehicle body area controller.
7. The application of the circuit according to claim 6, wherein when the first battery is reversely connected, in the step S200, the operation modes of the first protection circuit and the second protection circuit are specifically:
the first current input end and the first current output end are closed so as to cut off a power supply loop of the first battery, and the second battery normally supplies power to the vehicle body area controller;
when the second battery is reversely connected, in step S200, the working modes of the first protection circuit and the second protection circuit are specifically:
and closing the second current input end and the second current output end to cut off a power supply loop of the second battery, wherein the first battery normally supplies power to the vehicle body area controller.
8. The application of the circuit according to claim 6, wherein when the vehicle body area controller is short-circuited or works abnormally to cause a large current, in the step S200, the first protection circuit and the second protection circuit specifically work in the following modes:
the first fault output port and the second fault output port transmit the information of the short circuit or the large current of the vehicle body area controller to the over-voltage and under-voltage diagnosis module; the overvoltage and undervoltage diagnosis module closes the first switch pin and the second switch pin respectively, so that the first current output end and the second current output end are closed to cut off power supply loops of the first battery and the second battery.
9. The application of the circuit according to claim 6, wherein when the over-voltage and under-voltage diagnosis module detects that the first battery has over-voltage or under-voltage, in step S200, the operation modes of the first protection circuit and the second protection circuit are specifically:
closing the first switch pin to enable the first current output end to be closed so as to cut off a power supply loop of the first battery, wherein the second battery normally supplies power to the vehicle body area controller;
when the overvoltage/undervoltage diagnosis module detects that the second battery is overvoltage or undervoltage, in step S200, the working modes of the first protection circuit and the second protection circuit are specifically:
and closing the second switch pin to close the second current output end so as to cut off a power supply loop of the second battery, wherein the first battery normally supplies power to the vehicle body area controller.
10. A domain controller, wherein the domain controller is connected to a power supply via a dual redundant protection circuit, the dual redundant protection circuit employing the use of the circuit of claims 6-9 to effect normal powering of the domain controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211442935.6A CN115765138A (en) | 2022-11-18 | 2022-11-18 | Dual-power redundancy protection circuit design method, circuit, application and domain controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211442935.6A CN115765138A (en) | 2022-11-18 | 2022-11-18 | Dual-power redundancy protection circuit design method, circuit, application and domain controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115765138A true CN115765138A (en) | 2023-03-07 |
Family
ID=85372931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211442935.6A Pending CN115765138A (en) | 2022-11-18 | 2022-11-18 | Dual-power redundancy protection circuit design method, circuit, application and domain controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115765138A (en) |
-
2022
- 2022-11-18 CN CN202211442935.6A patent/CN115765138A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1760569B1 (en) | Redundant power supply circuit and motor driving circuit | |
| US20070188150A1 (en) | System and method for supervising battery for vehicle | |
| CN105242608B (en) | Entire car controller and its control method | |
| JP2009081948A (en) | Power supply control system | |
| US10340106B2 (en) | Load driver | |
| CN110962602A (en) | Load holding circuit applied to battery management system | |
| US20160207415A1 (en) | Battery control unit system | |
| US20100141029A1 (en) | Circuit arrangement for supplying power to control devices in motor vehicles | |
| US10497189B2 (en) | Vehicular control device and method of controlling vehicular control device | |
| EP1987990A1 (en) | Electronic control unit for a vehicle with a device for controlling supply of the electronic control unit | |
| JP6408843B2 (en) | Vehicle power supply device | |
| US20130062936A1 (en) | Load control device | |
| US8154302B2 (en) | Device for detecting the failure of an electrical power supply for a logic unit | |
| EP2284379B1 (en) | Internal combustion engine controller | |
| CN114290901A (en) | Voltage monitoring method, voltage monitoring device and electric automobile | |
| US7259470B2 (en) | Power control device for vehicle | |
| CN115765138A (en) | Dual-power redundancy protection circuit design method, circuit, application and domain controller | |
| CN108432109A (en) | The control device of DC/DC converters is controlled when having over-pressed or under-voltage in circuit | |
| CN116165875A (en) | Cold backup control system and method for vehicle chassis controller | |
| EP3968128A1 (en) | Method, device, and computer program for verifying power supply monitoring | |
| CN115320520A (en) | High-temperature-resistant electronic equipment, high-temperature-resistant method of electronic equipment and terminal equipment | |
| CN114583683A (en) | Power conversion equipment, power supply system and vehicle | |
| CN214900321U (en) | Power supply controller and vehicle | |
| CN215681907U (en) | Vehicle power supply redundancy system and vehicle | |
| JP2020205728A (en) | Overcurrent protection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |