CN115635930A - Dual-system power generation motor home charging system - Google Patents
Dual-system power generation motor home charging system Download PDFInfo
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- CN115635930A CN115635930A CN202211218159.1A CN202211218159A CN115635930A CN 115635930 A CN115635930 A CN 115635930A CN 202211218159 A CN202211218159 A CN 202211218159A CN 115635930 A CN115635930 A CN 115635930A
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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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- 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
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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Abstract
The invention provides a double-system power generation motor home charging system which comprises a 48V generator, a direct-current power supply distribution unit, a direct-current charging unit, a starting storage battery, a 12V generator and a control assembly, wherein the 48V generator is connected with a motor home and transmits generated power to the direct-current power supply distribution unit, the direct-current power supply distribution unit is configured to distribute direct-current electric energy, the direct-current power supply distribution unit is communicated with the direct-current charging unit, the direct-current charging unit is configured to convert 48V direct current into 12V direct current, the starting storage battery can be supplied with power through the direct-current charging unit and the 12V generator, and the direct-current charging unit supplies power to the control assembly at the same time. According to the invention, the 48V generator and the 12V generator are arranged to realize dual-system power generation, the direct current charging unit is arranged to convert 48V direct current into 12V direct current, and higher voltage is reduced, so that the dual-system power generation system is suitable for low-voltage equipment, and a safe and efficient charging scheme is provided for motor homes.
Description
Technical Field
The invention relates to a dual-system power generation motor home charging system, and belongs to the field of motor home equipment.
Background
At present, a conventional motor home is mainly charged with high power through an external commercial power, the charging power is generally 2-3Kw, when the motor home is in a running state, a vehicle-mounted auxiliary energy storage battery is generally charged through an original vehicle generator (DC 12V/150A), the charging power smaller than or equal to 1KW can be generally provided, the scheme is low in efficiency and low in speed, and the expectation of high-efficiency charging of a user cannot be met.
If the charging power is increased, the current is excessively high, and the excessive current is likely to cause a safety problem.
In view of the above, there is a need to provide a new dual-system charging system for a power generation caravan to solve the above problems.
Disclosure of Invention
The invention aims to provide a double-system power generation motor home charging system which provides a safe and efficient charging scheme for a motor home.
In order to achieve the aim, the invention provides a double-system power generation caravan charging system which comprises a 48V generator, a direct-current power supply distribution unit, a direct-current charging unit, a starting storage battery, a 12V generator and a control component,
the 48V generator is a BSG motor adopting a P0 framework, is connected with a motor of a motor home, generates power and transmits the power to the direct current power distribution unit, the direct current power distribution unit is configured to distribute direct current electric energy,
the DC power distribution unit and the DC charging unit are communicated with each other, the DC charging unit is configured to convert 48V DC power into 12V DC power,
the DC charging unit and the 12V generator can both supply power to the starting storage battery,
the direct current charging unit simultaneously supplies power to the control component.
As a further improvement of the present invention, the charging system of the dual-system power generation caravan further comprises a charging and inverting integrated machine, the dc power distribution unit is connected with the charging and inverting integrated machine, and the charging and inverting integrated machine is configured to convert ac power and dc power into each other.
As a further improvement of the invention, the dual-system power generation motor home charging system further comprises a solar component, and electric energy generated by the solar component is transmitted to the charging inversion all-in-one machine.
As a further improvement of the invention, the dual-system power generation caravan charging system further comprises an alternating current power supply distribution unit, wherein the alternating current power supply distribution unit is communicated with the charging inversion all-in-one machine and is configured to distribute alternating current electric energy.
As a further improvement of the present invention, the ac power distribution unit inputs electric energy from a commercial power charging port and supplies power to an ac load in the vehicle.
As a further improvement of the invention, the dual-system power generation caravan charging system further comprises an energy storage assembly, and the direct-current power supply distribution unit is communicated with the energy storage assembly.
As a further improvement of the present invention, the dual-system power generation caravan charging system further includes a safety component, the electric energy transmitted by the dc charging unit is transmitted to the control component and the caravan constant-current load after passing through the safety component, and the safety component is configured to disconnect when the voltage and/or current is too large.
As a further improvement of the present invention, the dual-system power generation caravan charging system further includes an air conditioner, the air conditioner is controlled by the control component, and the dc power distribution unit supplies power to the air conditioner.
As a further improvement of the invention, the control assembly supplies power to the controlled load and the switch and is in signal communication with the switch.
As a further improvement of the invention, the control component receives the signal of at least one sensor.
The invention has the beneficial effects that: according to the charging system of the double-system power generation motor home, double-system power generation is realized by arranging the 48V generator and the 12V generator, the direct-current charging unit is arranged to convert 48V direct current into 12V direct current, and higher voltage is reduced, so that the charging system is suitable for low-voltage equipment, and a safe and efficient charging scheme is provided for the motor home.
Drawings
Fig. 1 is a schematic structural diagram of a charging system of a dual-system power generation caravan of the invention.
Fig. 2 is a schematic diagram of a dual-system power generation motor home charging system of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 and 2, the invention discloses a dual-system power generation caravan charging system 100, which comprises a 48V generator 1, a direct-current power supply distribution unit 2, an energy storage component 3, a direct-current charging unit 4, a 12V generator 5, a starting battery 6, a safety component 7, a control component 8, an air conditioner 9, a charging and inverting integrated machine 10, a solar component 11 and an alternating-current power supply distribution unit 12, wherein the dual-system power generation caravan charging system 100 realizes dual-system power generation by arranging the 48V generator 1 and the 12V generator 5 in a caravan at the same time, and is faster and safer.
The 48V generator 1 is a main power generation component of the dual-system power generation caravan charging system 100, and is used for generating power in the caravan system. The electric power generated by the 48V generator 1 is transmitted to the DC power distribution unit 2.
Further, the 48V generator 1 receives intelligent control of the vehicle control unit, and after information in the engine management system is acquired through the vehicle control unit, that is, information of the battery sensor and the engine is acquired, the power generation strategy of the 48V generator 1 is changed, so that generated current and voltage are intelligently adjusted.
Further, the 48V generator 1 is a BSG motor, adopts a P0 framework and is in flexible connection with a crankshaft of the engine through a belt.
The direct current power distribution unit 2 is used for distributing the current generated by the 48V generator 1 to other components, and the direct current power generated by the 48V generator 1 is subjected to voltage stabilization by the direct current power distribution unit 2 and then transmitted to different other components.
The direct current power distribution unit 2 receives electric energy from the 48V generator 1, transmits the electric energy to the direct current charging unit 4 and the air conditioner 9, and is communicated with the energy storage assembly 3.
The energy storage assembly 3 is a lithium battery pack, is connected with the direct current power supply distribution unit 2 and is used for storing 48V electric energy, and meanwhile, the electric energy stored in the energy storage assembly 3 can be reversely transmitted to the direct current power supply distribution unit 2 for redistribution and transmission when needed.
The direct current charging unit 4 is used for receiving the voltage of 48V transmitted by the direct current power distribution unit 2, reducing the voltage of the voltage, converting the direct current of 48V into direct current of 12V, and transmitting the direct current to other equipment using the voltage of 12V of the motor home.
The electric energy after the voltage reduction by the direct current charging unit 4 can be transmitted to the starting battery 6.
Meanwhile, the electric energy after being reduced by the direct current charging unit 4 can be transmitted to the control component 8 through the safety component 7 for power supply.
Two generators are arranged in the dual-system power generation motor home charging system 100, namely, a 12V generator 5 is arranged besides the 48V generator 1, electric energy generated by the 48V generator 1 is main electric energy of the motor home, the application is various, and the electric energy generated by the 12V generator 5 only needs to be supplied to a starting storage battery 6.
The starting battery 6 is a conventional arrangement in a vehicle system for starting the vehicle. The power for starting the battery 6 is supplied by both the dc charging unit 4 and the 12V generator 5.
The fuse assembly 7 is a fuse box for protecting the circuit from being disconnected in case of excessive voltage and/or current. One part of the electric energy output from the direct current charging unit 4 is supplied to the starting battery 6, and the other part of the electric energy is transmitted to the safety component 6 and then transmitted to the constant electric load and control component 8 of the motor home after flowing through the safety component 6.
The control unit 8 is used to control various devices on the caravan.
Further, the control module 8 and the switch are in signal connection with each other, and transmit and receive signals to realize turning on and turning off, and the control module 8 provides power for the switch.
Further, the control unit 8 receives signals from a plurality of sensors in the motor home, including at least one temperature sensor.
Further, the control unit 8 supplies electric power to a plurality of controlled loads in the motor home controlled by the control unit 8.
Furthermore, the control module 8 is further connected with a control panel, and the control module 8 sends a signal to control the control panel while providing electric energy to the control panel. The control panel is used for displaying the state of the air conditioner 9 and controlling and changing the state of the air conditioner 9.
The air conditioner 9 receives the power transmitted from the dc power distribution unit 2 to operate, and is controlled by a signal from the control panel to change its state.
The charging and inverting all-in-one machine 10 is connected to the dc power distribution unit 2 and the ac power distribution unit 12, has a function of inputting and outputting dc power and ac power, and is configured to convert ac power and dc power into each other. The electric energy source in the car as a house is various, includes the direct current that sends by the generator and the alternating current through input such as mouthful that charges, and in order to make things convenient for the use to different electric energy, set up the contravariant all-in-one that charges 10 and realized the conversion of each other between alternating current and the direct current, make things convenient for different equipment to use the electric energy of different forms.
The solar module 11 is also one of the sources of electric energy in the motor home, the electric energy is generated by solar energy, and the generated electric energy is also input into the charging and inverting integrated machine 10, converted by the charging and inverting integrated machine 10, and output to the direct current power distribution unit 2 and/or the alternating current power distribution unit 12.
The ac power distribution unit 12 is in communication with the charging/inverting all-in-one machine 10 and configured to distribute ac power.
Further, the ac power distribution unit 12 inputs electric power from the commercial power charging port and supplies power to ac loads in the vehicle.
On the existing motor home, high-power charging is mainly carried out through an external mains supply, the charging power is generally 2-3Kw, when the vehicle is in a running state, the vehicle-mounted auxiliary energy storage battery is generally charged through an original vehicle generator (DC 12V/150A), the charging power less than or equal to 1KW can be provided, the scheme is low in efficiency and low in speed, and the expectation of high-efficiency charging of a user cannot be met. In order to improve the charging efficiency, the 48V generator 1 is adopted in the application, the electric energy voltage sent by the 48V generator 1 is 48V, compared with the traditional 12V generator, the high-power charging under the charging working condition of the travelling crane is carried out as voltage lifting, the charging current is only 1/4 of that of the 12V generator under the same power output, the thermal runaway risk during the operation of the system is reduced, the operation safety of the system is improved, and meanwhile, the allowance of greatly improving the charging power is flowed out.
In the application, the 48V generator 1 is a BSG motor with a P0 framework, receives intelligent control of the whole vehicle controller, and due to the arrangement, the 48V generator 1 can receive idle speed lifting, and can obtain about 3Kw power output when the rotating speed is increased to more than 1200rpm under the idle speed working condition of the motor home, so that the charging efficiency identical to that of an external alternating current power supply is achieved.
Furthermore, in this application, can obtain 3 Kw's generated power (rotational speed promotes the back) under the idle operating mode, and in the driving process of car as a house, the generated power can reach 6Kw at most to surpass the power that current car as a house external commercial power charges, provide high-efficient swift charge support for the user.
Engine speed/generator power output meter [ based on bench test ]
It is found from the experimental data that the generated power exceeding 6Kw can be obtained after the engine speed reaches 3000 rpm.
Meanwhile, in the application, the 48V generator 1 and the energy storage assembly 3 are on the same power platform, and the electric energy output by the 48V generator 1 can be directly output to charge the energy storage assembly 3 without energy conversion loss.
In this application, the electricity differentiation power platform charges/uses electricity is 48V electric energy to energy storage component 3 towards the electricity, and low-voltage apparatus falls DC48V to DC12V via direct current charging unit 4 to normal use.
In summary, the dual-system power generation recreational vehicle charging system 100 of the present invention realizes dual-system power generation by providing the 48V generator 1 and the 12V generator 5, and is configured to convert 48V dc into 12V dc by providing the dc charging unit 4, so as to reduce a higher voltage, thereby being suitable for a low voltage device and providing a safe and efficient charging scheme for a recreational vehicle.
Although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the present invention.
Claims (10)
1. The utility model provides a two standard electricity generation car as a house charging system which characterized in that: comprises a 48V generator, a direct current power distribution unit, a direct current charging unit, a starting storage battery, a 12V generator and a control component,
the 48V generator is a BSG motor adopting a P0 framework, is connected with a motor of a motor home, generates power and transmits the power to the direct current power distribution unit, the direct current power distribution unit is configured to distribute direct current electric energy,
the DC power distribution unit and the DC charging unit are communicated with each other, the DC charging unit is configured to convert 48V DC power into 12V DC power,
the DC charging unit and the 12V generator can both supply power to the starting battery,
the direct current charging unit simultaneously supplies power to the control component.
2. The dual system power generation caravan charging system of claim 1, wherein: the charging system of the double-system power generation motor home further comprises a charging and inverting integrated machine, the direct-current power supply distribution unit is connected with the charging and inverting integrated machine, and the charging and inverting integrated machine is configured to convert alternating current and direct current mutually.
3. The dual-system power generation caravan charging system according to claim 2, characterized in that: the double-system power generation motor home charging system further comprises a solar assembly, and electric energy generated by the solar assembly is transmitted to the charging and inverting integrated machine.
4. The dual-system power generation caravan charging system according to claim 3, characterized in that: the double-system power generation motor home charging system further comprises an alternating current power supply distribution unit, wherein the alternating current power supply distribution unit is communicated with the charging inversion all-in-one machine and is configured to distribute alternating current electric energy.
5. The dual-system power generation caravan charging system according to claim 4, wherein: the alternating current power distribution unit inputs electric energy from a commercial power charging port and supplies power to alternating current loads in the vehicle.
6. The dual-system power generation caravan charging system according to claim 1, characterized in that: the charging system of the double-system type power generation caravan further comprises an energy storage assembly, and the direct-current power supply distribution unit is communicated with the energy storage assembly.
7. The dual-system power generation caravan charging system according to claim 1, characterized in that: the double-system type power generation motor home charging system further comprises a safety component, electric energy transmitted by the direct current charging unit is transmitted to the control component and the motor home constant-current load after passing through the safety component, and the safety component is configured to be disconnected when voltage and/or current are too large.
8. The dual-system power generation caravan charging system according to claim 1, characterized in that: the double-system power generation caravan charging system further comprises an air conditioner, the air conditioner is controlled by the control assembly, and the direct-current power distribution unit supplies power to the air conditioner.
9. The dual-system power generation caravan charging system according to claim 8, wherein: the control assembly supplies power to the controlled load and the switch and is in signal communication with the switch.
10. The dual-system power generation caravan charging system according to claim 9, characterized in that: the control component receives signals from at least one sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211218159.1A CN115635930A (en) | 2022-09-30 | 2022-09-30 | Dual-system power generation motor home charging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211218159.1A CN115635930A (en) | 2022-09-30 | 2022-09-30 | Dual-system power generation motor home charging system |
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| Publication Number | Publication Date |
|---|---|
| CN115635930A true CN115635930A (en) | 2023-01-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211218159.1A Pending CN115635930A (en) | 2022-09-30 | 2022-09-30 | Dual-system power generation motor home charging system |
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| CN (1) | CN115635930A (en) |
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- 2022-09-30 CN CN202211218159.1A patent/CN115635930A/en active Pending
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Effective date of registration: 20230721 Address after: No. 203, Shanghai Songjiang Road, No. 201563, Pudong New Area Applicant after: SAIC Motor Corp.,Ltd. Address before: 213300 No.200 Zhongguancun Avenue, Liyang City, Changzhou City, Jiangsu Province Applicant before: SAIC MAXUS RV TECHNOLOGY Co.,Ltd. |