CN216128235U - Vehicle-mounted host power supply device and vehicle-mounted equipment - Google Patents
Vehicle-mounted host power supply device and vehicle-mounted equipment Download PDFInfo
- Publication number
- CN216128235U CN216128235U CN202121433582.4U CN202121433582U CN216128235U CN 216128235 U CN216128235 U CN 216128235U CN 202121433582 U CN202121433582 U CN 202121433582U CN 216128235 U CN216128235 U CN 216128235U
- Authority
- CN
- China
- Prior art keywords
- power supply
- power
- vehicle
- module
- power failure
- 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.)
- Active
Links
Images
Landscapes
- Stand-By Power Supply Arrangements (AREA)
Abstract
The utility model discloses a vehicle-mounted host power supply device and vehicle-mounted equipment. Outputting a power-down signal when the power management module detects that the output voltage of the first power supply module is smaller than a voltage threshold; the second power supply module supplies power to the power management module when receiving the power failure signal; and the power failure processing module is used for performing power failure processing on the central processing unit under the condition that the power failure signal is received, storing the current data and reporting the power failure information to an operation center through the communication chip. Through the switching between the first power supply module and the second power supply module, the data after the power failure of the vehicle-mounted host can be timely stored, and the problem of data loss is avoided. Meanwhile, the power failure information is reported to the operation center, and the supervision platform can timely know the situation and take counter measures.
Description
Technical Field
The utility model relates to vehicle-mounted equipment, in particular to a vehicle-mounted host power supply device and vehicle-mounted equipment.
Background
The vehicle-mounted equipment is internally provided with scheduling software, driving recording software and the like for buses. The system receives GPS positioning information in real time, records vehicle operation data in real time, and can communicate with an operation center through a communication module. On one hand, the host system stores the driving record of the host system, on the other hand, the host system reports the position data of the host system to the operation center in real time, and meanwhile receives scheduling information of the operation center and the like in real time. At present, the vehicle-mounted host can only store data before power failure, and the data after the power failure of the vehicle-mounted host cannot be stored, so that some important data are lost after the power failure of the vehicle-mounted host, and communication between a bus and an operation center supervision platform is also interrupted, so that the bus is lost.
SUMMERY OF THE UTILITY MODEL
Therefore, in order to solve the above problems, it is necessary to provide a power supply device for a vehicle-mounted host and a vehicle-mounted device, which aim to solve the problem that some important data are lost after the power of the vehicle-mounted host is cut off because data after the power of the vehicle-mounted host is not stored.
An in-vehicle host power supply apparatus comprising:
the power supply management module is used for supplying power to a central processing unit and a communication chip of the vehicle-mounted host;
the first power supply module is connected with the power management module and used for supplying power to the power management module;
the power failure detection module is connected with the first power supply module and used for detecting the output voltage of the first power supply module and outputting a power failure signal under the condition that the output voltage is smaller than a voltage threshold value;
the second power supply module is connected with the power management module and the power failure detection module and used for supplying power to the power management module under the condition of receiving the power failure signal;
and the power failure processing module is connected with the power failure detection module and used for performing power failure processing on the central processing unit under the condition of receiving the power failure signal, storing current data and reporting power failure information to an operation center through the communication chip.
In one embodiment, the first power supply module comprises a first power supply component, and the second power supply module comprises a one-way switch and a second power supply component;
the first power supply assembly and the second power supply assembly are connected through the one-way switch; under the condition that the first power supply module supplies power to the power management module, the one-way switch is conducted; and under the condition that the second power supply module supplies power to the power management module, the one-way switch is switched off.
In one embodiment, the first power supply component comprises a battery, the one-way switch is a diode, and the second power supply component comprises a super capacitor;
the anode of the vehicle is connected with the anode of the diode, and the cathode of the storage battery is grounded;
the cathode of the diode is connected with the first pole of the super capacitor;
the second stage of the super capacitor is grounded.
In one embodiment, the second power supply assembly is a battery.
In one embodiment, the first power supply module and the second power supply module are connected in parallel.
An in-vehicle apparatus comprising: the vehicle-mounted host and the vehicle-mounted host power supply device in any embodiment; the device supplies power to the vehicle-mounted host.
Due to the adoption of the technical scheme, the power supply device of the vehicle-mounted host comprises a power management module, a first power supply module, a power failure detection module, a second power supply module and a power failure processing module. Outputting a power-down signal when the power management module detects that the output voltage of the first power supply module is smaller than a voltage threshold; the second power supply module supplies power to the power management module when receiving the power failure signal; and the power failure processing module is used for performing power failure processing on the central processing unit under the condition that the power failure signal is received, storing the current data and reporting the power failure information to an operation center through the communication chip. Through the switching between the first power supply module and the second power supply module, the data after the power failure of the vehicle-mounted host can be timely stored, the problem of data loss is avoided, and the data storage and backup of the self-service equipment are facilitated. Meanwhile, the power failure processing module reports the power failure signal to the operation center through the communication module, and the supervision platform can timely know the situation and take counter measures.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Wherein:
FIG. 1 is a block diagram of an exemplary embodiment of a vehicle host power supply apparatus;
FIG. 2 is a block diagram of an in-vehicle host power supply apparatus according to another embodiment;
in the figure: 10. a central processing unit; 20. a communication chip; 100. a first power supply module; 110. a first power supply assembly; 200. a second power supply module; 210. a second power supply assembly; 220. a one-way switch; 300. a power management module; 400. a power failure detection module; 500. and a power-off processing module.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terms first, second and the like in the description and in the claims, and in the drawings, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be practiced otherwise than as specifically illustrated.
The utility model provides a vehicle-mounted host power supply device, as shown in fig. 1, in an embodiment, the power supply device includes a power management module 300, a first power supply module 100, a power failure detection module 400, a second power supply module 200, and a power failure processing module 500. The power management module 300 is used for outputting piezoelectricity and supplying power to the central processing unit 10 and the communication chip 20 of the vehicle-mounted host; the first power supply module 100 is connected with the power management module 300 and is used for supplying power to the power management module 300; a power down detection module 400 connected to the first power supply module 100, configured to detect an output voltage of the first power supply module 100, and output a power down signal when the output voltage is smaller than a voltage threshold; the second power supply module 200 is connected with the power management module 300 and the power failure detection module 400, and is used for supplying power to the power management module 300 when receiving a power failure signal; and the power failure processing module 500 is connected to the power failure detection module 400, and is configured to perform power failure processing on the central processing unit 10 when a power failure signal is received, store current data in the central processing unit 10, and report power failure information to the operation center through the communication chip 20. Wherein, the communication chip supports 5G communication.
The power management module 300 outputs a power down signal when detecting that the output voltage of the first power supply module 100 is less than the voltage threshold; the second power supply module 200 supplies power to the power management module 300 when receiving the power down signal; the power-off processing module 500 performs power-off processing on the central processing unit 10 under the condition that the power-off signal is received, stores current data, and reports power-off information to the operation center through the communication chip 20. Through the switching between the first power supply module 100 and the second power supply module 200, the data after the power failure of the vehicle-mounted host can be timely stored, and the problem of data loss is avoided. Meanwhile, the power failure information is reported to the operation center, and a supervision platform of the operation center can timely know the situation and take counter measures.
In one embodiment, as shown in fig. 2, the first power supply module 100 includes a first power supply component 110, and the second power supply module 200 includes a unidirectional switch 220 and a second power supply component 210. The first power supply component 110 and the second power supply component 210 are connected through a one-way switch 220; when the first power supply module 100 supplies power to the power management module 300, the one-way switch 220 is turned on; in the case where the second power module 200 supplies power to the power management module 300, the one-way switch 220 is turned off. Further, in the case that the first power supply module 100 supplies power to the power management module 300, the first power supply component 110 charges the second power supply component 210.
In one embodiment, the first power supply component 110 is a vehicle-mounted battery, the one-way switch 220 is a diode, and the second power supply component 210 is a super capacitor; the anode of the vehicle-mounted storage battery is connected with the anode of the diode, and the cathode of the vehicle-mounted storage battery is grounded; the cathode of the diode is connected with the first pole of the super capacitor; the second stage of the super capacitor is grounded. The storage battery is a power supply device which can be continuously used after being charged after being discharged. Lead storage batteries, nickel-iron storage batteries, nickel-cadmium storage batteries and the like. The positive electrode of the lead accumulator jar is lead dioxide, the negative electrode is lead, and the electrolyte is dilute sulfuric acid solution. When the electrolyte is used for discharging, the anode and the cathode react with sulfuric acid to generate lead sulfate, and when the concentration of a sulfuric acid solution is reduced to a certain degree, the electrolyte needs to be charged. When the external power supply is used for charging, the electrode and the solution can be restored to the original state, and the battery can be continuously used after being charged. Super capacitor, also known as electrochemical capacitor, double layer capacitor, gold capacitor, farad capacitor, is an electrochemical element developed from the seventh and eighty years of the past century that stores energy through polarized electrolyte. It is different from traditional chemical power source, and is a power source with special performance between traditional capacitor and battery, and mainly depends on electric double layer and redox pseudo-capacitance charge to store electric energy. But no chemical reaction occurs in the process of energy storage, and the energy storage process is reversible, and the super capacitor can be repeatedly charged and discharged for tens of thousands of times. Of course, in some other embodiments, the second power supply assembly 210 may be a battery. The working principle of the battery is the same as that of the storage battery, and the difference is that the energy storage of the battery is smaller than that of the storage battery, the storage battery can be repeatedly charged for use, the battery can be used only once, and the battery is scrapped after being used.
In one embodiment, the first power supply module 100 and the second power supply module 200 are connected in parallel. When the first power supply module 100 supplies power to the power management module 300, the first power supply module 100 charges the second power supply module 200 at the same time, when the power failure detection module 400 detects that the output voltage of the first power supply module 100 is smaller than the voltage threshold, a power failure signal is output, at this time, the one-way switch 220 is turned off, the second power supply module 200 supplies power to the power management module 300, the power failure processing module 500 performs power failure processing on the central processing unit 10, stores current data, and reports power failure information to the operation center through the communication chip 20.
The power supply device of the vehicle-mounted host is applied to the vehicle-mounted equipment, so that the problems of data loss, damage and the like of the vehicle-mounted host caused by unstable voltage or sudden power failure of the first power supply module 100 can be prevented, and the data storage, data backup and the like of the vehicle-mounted equipment are facilitated. Meanwhile, the number of times of accidental shutdown of the vehicle-mounted equipment can be reduced, the probability of damage of the vehicle-mounted equipment due to accidental shutdown can be reduced, and the quality of the vehicle-mounted equipment is improved.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent is subject to the claims.
Claims (6)
1. An on-vehicle host power supply device, characterized by comprising:
the power supply management module is used for supplying power to a central processing unit and a communication chip of the vehicle-mounted host;
the first power supply module is connected with the power management module and used for supplying power to the power management module;
the power failure detection module is connected with the first power supply module and used for detecting the output voltage of the first power supply module and outputting a power failure signal under the condition that the output voltage is smaller than a voltage threshold value;
the second power supply module is connected with the power management module and the power failure detection module and used for supplying power to the power management module under the condition of receiving the power failure signal; and
and the power failure processing module is connected with the power failure detection module and used for performing power failure processing on the central processing unit under the condition of receiving the power failure signal, storing current data and reporting power failure information to an operation center through the communication chip.
2. The on-vehicle host power supply apparatus according to claim 1, wherein the first power supply module includes a first power supply component, and the second power supply module includes a one-way switch and a second power supply component;
the first power supply assembly and the second power supply assembly are connected through the one-way switch; under the condition that the first power supply module supplies power to the power management module, the one-way switch is conducted; and under the condition that the second power supply module supplies power to the power management module, the one-way switch is switched off.
3. The vehicle-mounted host power supply device according to claim 2, wherein the first power supply component comprises a battery, the one-way switch is a diode, and the second power supply component comprises a super capacitor;
the anode of the storage battery is connected with the anode of the diode, and the cathode of the storage battery is grounded;
the cathode of the diode is connected with the first pole of the super capacitor;
the second stage of the super capacitor is grounded.
4. The on-board host power supply device according to claim 2, wherein the second power supply component is a battery.
5. The on-board host power supply device according to claim 1, wherein the first power supply module and the second power supply module are connected in parallel.
6. An in-vehicle apparatus, characterized by comprising: the vehicle-mounted host and the vehicle-mounted host power supply device of any one of claims 1 to 5; the vehicle-mounted host power supply device supplies power to the vehicle-mounted host.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121433582.4U CN216128235U (en) | 2021-06-25 | 2021-06-25 | Vehicle-mounted host power supply device and vehicle-mounted equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121433582.4U CN216128235U (en) | 2021-06-25 | 2021-06-25 | Vehicle-mounted host power supply device and vehicle-mounted equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216128235U true CN216128235U (en) | 2022-03-25 |
Family
ID=80766829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121433582.4U Active CN216128235U (en) | 2021-06-25 | 2021-06-25 | Vehicle-mounted host power supply device and vehicle-mounted equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216128235U (en) |
-
2021
- 2021-06-25 CN CN202121433582.4U patent/CN216128235U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20190097434A1 (en) | Charge control apparatus capable of high speed cell balancing and energy saving and method thereof | |
| EP3674728A1 (en) | Method and apparatus for estimating soc-ocv profile | |
| CN111605437B (en) | Battery management system and battery management method | |
| CN111579998B (en) | Battery SOC calibration method and device and storage medium | |
| CN110015158B (en) | Vehicle low-voltage battery management system and vehicle low-voltage battery management method | |
| CN112977160B (en) | Battery management method, battery system, vehicle, and computer storage medium | |
| CN112924866B (en) | Method and device for detecting capacity retention rate, vehicle and storage medium | |
| KR20210050443A (en) | Apparatus and method for diagnosing battery | |
| US20210148985A1 (en) | Device and method for analyzing soh | |
| JP7127248B2 (en) | Battery management system, battery management method, battery pack and electric vehicle | |
| US11817563B2 (en) | Battery management system wake-up method, battery management system wake-up apparatus, and storage medium | |
| CN216128235U (en) | Vehicle-mounted host power supply device and vehicle-mounted equipment | |
| US20230344260A1 (en) | Battery charging method, electric device, and storage medium | |
| US11340305B2 (en) | Apparatus and method for estimating state of secondary battery | |
| CN116587921A (en) | Battery control method, device, battery management system and storage medium | |
| US20220239135A1 (en) | Power supply control method of power conversion apparatus and power conversion apparatus | |
| KR101633834B1 (en) | Battery management system having safety power-off function and control method thereof | |
| CN213861927U (en) | New energy automobile battery management system with information real-time storage function | |
| CN107863572A (en) | Suitable for the mechanism for monitoring of computer room battery | |
| KR20150015970A (en) | Battery management system preventing any problems that occur when a signal line is short to the high voltage or ground voltage and control method thereof | |
| CN114678916A (en) | Control method, device and system for refreshing storage battery and vehicle | |
| CN111987374A (en) | Lead-acid storage battery online activation maintenance system based on forward spike pulse excitation | |
| CN110435571A (en) | A kind of automobile start and stop battery system | |
| CN110601282A (en) | Active equalization control method and device for lithium battery management system | |
| CN110061314A (en) | A kind of guard method that energy storage device is idle for a long time, system and operation terminal |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 14 / F, Hualu building, 717 Huangpu Road, Dalian hi tech Industrial Park, Liaoning 116000 Patentee after: Hualu Zhida Technology Co.,Ltd. Address before: 717 Huangpu Road, Dalian hi tech Industrial Park, Liaoning 116000 Patentee before: Hualu Zhida Technology Co.,Ltd. |