CN211684664U - Vehicle-mounted power supply system - Google Patents
Vehicle-mounted power supply system Download PDFInfo
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- CN211684664U CN211684664U CN201922156608.4U CN201922156608U CN211684664U CN 211684664 U CN211684664 U CN 211684664U CN 201922156608 U CN201922156608 U CN 201922156608U CN 211684664 U CN211684664 U CN 211684664U
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- vehicle
- power
- range extender
- electric quantity
- residual electric
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
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Abstract
The utility model relates to a vehicle mounted power system, vehicle mounted power system includes: the system comprises a controller, a power battery, a residual electric quantity acquisition module, a range extender and a vehicle; the controller is respectively connected with the range extender and the residual electric quantity acquisition module; the range extender is also connected with the vehicle; the residual electric quantity acquisition module is used for acquiring the residual electric quantity of the power battery; the controller is used for controlling the range extender to be turned on or off according to the residual electric quantity; the range extender is used for providing electric power for the vehicle; the power battery is connected with the residual electric quantity acquisition module; the range extender and the power battery are respectively connected with the vehicle. Adopt the utility model provides an on-vehicle electrical power generating system can prolong power battery's life.
Description
Technical Field
The utility model relates to a vehicle mounted power source field especially relates to a vehicle mounted power system.
Background
At the car in-process of traveling, the electric energy of car can be consumed to on-vehicle product, to new energy automobile, power battery is to on-vehicle power supply for on-vehicle product can normal use, when power battery's battery capacity is sufficient, can satisfy the power demand of whole car, and when power battery electric quantity is not enough, if continue to provide the electric energy for the power of whole car, for a long time down, the power battery of car damages along with the increase of time and frequency of use, and life is short.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an on-vehicle electrical power generating system to solve the short problem of current car battery life.
In order to achieve the above object, the utility model provides a following scheme:
an onboard power supply system comprising: the system comprises a controller, a power battery, a residual electric quantity acquisition module, a range extender and a vehicle;
the controller is respectively connected with the range extender and the residual electric quantity acquisition module; the range extender is also connected with the vehicle; the residual electric quantity acquisition module is used for acquiring the residual electric quantity of the power battery; the controller is used for controlling the range extender to be turned on or off according to the residual electric quantity; the range extender is used for providing electric power for the vehicle;
the power battery is connected with the residual electric quantity acquisition module;
the range extender and the power battery are respectively connected with the vehicle.
Optionally, the method further includes: taking out an electric appliance;
the range extender and the power battery are respectively connected with the vehicle-mounted unit through a power taking device; the power supply is used for detecting the current state of the vehicle in the vehicle-mounted use process; the current state includes a normal state and a fault state.
Optionally, the power takeoff device comprises an on-board automatic diagnosis system OBD power takeoff device.
Optionally, the OBD power takeoff specifically includes: the voltage processing module and the OBD interface;
the voltage processing module is respectively connected with the power battery and the range extender; the voltage processing module is used for converting the output voltages of the power battery and the range extender;
the voltage processing module is also connected with the OBD interface; the OBD interface is also connected with the vehicle.
Optionally, the voltage processing module specifically includes: the voltage processing chip, the reverse connection prevention diode and the capacitor are connected in series;
the voltage processing chip is respectively connected with the reverse connection prevention diode and the capacitor, and the reverse connection prevention diode is respectively connected with the power battery and the range extender; the voltage processing chip is used for converting high voltage into low voltage.
Optionally, the model of the OBD power takeoff is EST 527.
Optionally, the controller is a comparator;
when the residual electric quantity acquired by the residual battery acquisition module is lower than an electric quantity threshold value, the comparator outputs a low level, and the range extender is opened;
and when the residual electric quantity acquired by the residual battery acquisition module is not lower than the electric quantity threshold value, the comparator outputs a high level to supply power to the vehicle according to the original power supply mode.
Optionally, the model of the range extender is DMS-01.
According to the utility model provides a concrete embodiment, the utility model discloses a following technological effect: the utility model provides a vehicle-mounted power supply system, when the power battery is insufficient, the vehicle-mounted power supply is realized through a residual power acquisition module and a range extender, so that the vehicle can run normally and work normally; meanwhile, the use times of the power battery can be reduced, the feeding condition can not occur, and the service life of the power battery is prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and 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 these drawings without inventive labor.
Fig. 1 is a structural diagram of a vehicle-mounted power supply system provided by the present invention;
fig. 2 is a circuit diagram of the power supply provided by the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model aims at providing a vehicle mounted power system can prolong power battery's life.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
Fig. 1 is a structural diagram of the vehicle-mounted power supply system provided by the present invention, as shown in fig. 1, a vehicle-mounted power supply system includes: the device comprises a controller 1, a power battery 2, a residual electric quantity acquisition module 3, a range extender 4 and a vehicle-mounted 5.
The controller 1 is respectively connected with the range extender 4 and the residual electric quantity acquisition module 3; the range extender 4 is also connected with the vehicle-mounted device 5; the residual electric quantity acquisition module 3 is used for acquiring the residual electric quantity of the power battery 2; the controller 1 is used for controlling the range extender 4 to be turned on or off according to the residual electric quantity; the range extender 4 is used for providing electric power for the vehicle-mounted device 5; the power battery 2 is connected with the residual electric quantity acquisition module 3; the range extender 4 and the power battery 2 are respectively connected with the vehicle-mounted device 5. The remaining power acquisition module 3 may reflect the remaining capacity of the battery through a state of charge (SOC) of the power battery 2.
Fig. 2 is a circuit diagram of the power supply provided by the present invention, as shown in fig. 2, the present invention further includes a power supply; the range extender 4 and the power battery 2 are respectively connected with the vehicle-mounted device 5 through a power supply device; the electricity taking device is used for detecting the current state of the vehicle in the using process of the vehicle-mounted 5; the current state includes a normal state and a fault state.
Get electrical apparatus including On-vehicle 5 automatic diagnosis system (On-Board diagnostics, OBD) and get electrical apparatus, OBD gets electrical apparatus specifically to include: the voltage processing module and the OBD interface; the voltage processing module is respectively connected with the power battery 2 and the range extender 4; the voltage processing module is used for converting the output voltages of the power battery 2 and the range extender 4; the voltage processing module is also connected with the OBD interface; the OBD interface is also connected with the vehicle-mounted 5. The OBD power taking device is adopted, when the OBD power taking device detects a vehicle fault, the power supply voltage of the power battery 2 and the range extender 4 can be subjected to voltage reduction through the OBD power taking device, and the power supply voltage is supplied to the vehicle-mounted 5 for use; the electric energy required by the OBD power taking device is provided by the power battery 2 and the range extender 4.
In practical application, the controller 1 is a comparator; when the residual electric quantity acquired by the residual battery acquisition module is lower than an electric quantity threshold value, the comparator outputs a low level, and the range extender 4 is opened; when the range extender 4 starts to work, the driving power required by the automobile is obtained and compared with the output power of the range extender 4, if the driving power is larger than the output power, the throttle opening is opened, the output power of the range extender 4 is increased, and therefore the output power is matched with the driving power; on the contrary, if the driving power is smaller than the output power, the throttle opening is closed down, and the output power of the range extender 4 is reduced, so that the output power is matched with the driving power, and the risk of damage to the vehicle-mounted product caused by power mismatching is reduced.
When the residual electric quantity acquired by the residual battery acquisition module is not lower than the electric quantity threshold value, the comparator outputs a high level to supply power to the vehicle-mounted 5 according to the original power supply mode, so that the power battery 2 can be fully utilized while the power battery 2 is protected.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The principle and the implementation of the present invention are explained herein by using specific examples, and the above description of the embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (8)
1. An onboard power supply system characterized by comprising: the system comprises a controller, a power battery, a residual electric quantity acquisition module, a range extender and a vehicle;
the controller is respectively connected with the range extender and the residual electric quantity acquisition module; the range extender is also connected with the vehicle; the residual electric quantity acquisition module is used for acquiring the residual electric quantity of the power battery; the controller is used for controlling the range extender to be turned on or off according to the residual electric quantity; the range extender is used for providing electric power for the vehicle;
the power battery is connected with the residual electric quantity acquisition module;
the range extender and the power battery are respectively connected with the vehicle.
2. The vehicular power system according to claim 1, characterized by further comprising: taking out an electric appliance;
the range extender and the power battery are respectively connected with the vehicle-mounted battery through the power taking device; the electricity taking device is used for detecting the current state of the vehicle in the vehicle-mounted use process; the current state includes a normal state and a fault state.
3. The vehicle power system of claim 2, wherein the power takeoff comprises an on-board automatic diagnostic system (OBD) power takeoff.
4. The vehicle-mounted power supply system according to claim 3, wherein the OBD power extractor specifically comprises: the voltage processing module and the OBD interface;
the voltage processing module is respectively connected with the power battery and the range extender; the voltage processing module is used for converting the output voltages of the power battery and the range extender;
the voltage processing module is also connected with the OBD interface; the OBD interface is also connected with the vehicle.
5. The vehicle-mounted power supply system according to claim 4, wherein the voltage processing module specifically comprises: the voltage processing chip, the reverse connection prevention diode and the capacitor are connected in series;
the voltage processing chip is respectively connected with the reverse connection prevention diode and the capacitor, and the reverse connection prevention diode is respectively connected with the power battery and the range extender; the voltage processing chip is used for converting high voltage into low voltage.
6. The vehicular power system according to claim 5, wherein the OBD power taker is of the type EST 527.
7. The vehicular power system according to claim 1, wherein the controller is a comparator;
when the residual electric quantity acquired by the residual electric quantity acquisition module is lower than an electric quantity threshold value, the comparator outputs a low level, and the range extender is opened;
when the residual electric quantity collected by the residual electric quantity collecting module is not lower than the electric quantity threshold value, the comparator outputs a high level, and the vehicle-mounted power supply is carried out according to the original power supply mode.
8. The vehicular power system according to claim 4, wherein the range extender is of the type DMS-01.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922156608.4U CN211684664U (en) | 2019-12-05 | 2019-12-05 | Vehicle-mounted power supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922156608.4U CN211684664U (en) | 2019-12-05 | 2019-12-05 | Vehicle-mounted power supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211684664U true CN211684664U (en) | 2020-10-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922156608.4U Active CN211684664U (en) | 2019-12-05 | 2019-12-05 | Vehicle-mounted power supply system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211684664U (en) |
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2019
- 2019-12-05 CN CN201922156608.4U patent/CN211684664U/en active Active
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