CN113147439A - New energy automobile rescue trailer system and method - Google Patents
New energy automobile rescue trailer system and method Download PDFInfo
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- CN113147439A CN113147439A CN202110493438.8A CN202110493438A CN113147439A CN 113147439 A CN113147439 A CN 113147439A CN 202110493438 A CN202110493438 A CN 202110493438A CN 113147439 A CN113147439 A CN 113147439A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
- B60L53/12—Inductive energy transfer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/53—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells in combination with an external power supply, e.g. from overhead contact lines
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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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- 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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention provides a new energy automobile rescue trailer system and a method, and relates to the field of new energy automobiles. The system comprises: the identification module is used for detecting whether the vehicle is a target vehicle or not; the control module controls the system and switches the electric energy transmission mode timely; the detection module is used for detecting the postures of the front vehicle and the rear vehicle; the power generation storage module is used for providing electric quantity for the system and storing redundant electric quantity; the conversion transmitting module can be used for wirelessly transmitting energy and transmitting the energy; and the receiving and storing module is used for receiving the energy of the front vehicle, driving the self vehicle and storing the redundant electric quantity. The invention provides a new energy automobile rescue trailer system and method, which can rescue a trailer through a wireless scheme under the condition of permission of road conditions, reduce the time for rescuing the trailer, and improve the safety and rescue efficiency of the trailer.
Description
Technical Field
The invention relates to the field of new energy automobiles, in particular to a new energy automobile rescue trailer system and a new energy automobile rescue trailer method.
Background
China, as the largest oil importing country at present, has high dependency on oil resources, and in recent years, China gradually reduces the dependency on oil energy, develops electric power transmission projects, and also vigorously supports the development of new energy automobiles, so that a large number of new energy automobiles powered by solar energy, hydrogen fuel cells and lithium batteries emerge, and the electric energy will eventually become an effective scheme for replacing the oil energy; as clean energy, the new energy automobile has greatly less pollutant emission and can effectively protect the ecological environment; the new energy automobile is easy to control, the power transmission structure is simple, and the acceleration response is fast and the noise is low because the energy loss of an internal combustion engine and a gearbox is avoided.
In the prior art, because the battery technology is not greatly broken through, the battery capacity is small, the situation that new energy vehicles frequently run out of electric quantity is caused, the electric vehicle is slow in charging speed in the rescue process and low in efficiency, when the traditional load type trailer and the conventional trailer rope are adopted for rescue, the process is complex, the cost is high, and when the front vehicle and the rear vehicle are connected by the trailer rope, the rear vehicle is unpowered, and the safety problem exists in the complex road condition.
In conclusion, the existing rescue trailer technology for the new energy automobile has the problems of poor safety and low efficiency.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a new energy automobile rescue trailer system and a method, and solves the problems of poor safety and low efficiency when a new energy automobile needs trailer rescue due to insufficient electric power. The system comprises:
the identification module is used for identifying the rescued vehicle and transmitting an identification result to the control module;
the control module controls the power generation storage module and the receiving storage module according to the result of the identification module and the speed of the rear vehicle, switches the working mode of the power generation storage module at the right moment,
the detection module is used for detecting the posture of the rear vehicle and transmitting the result to the control system;
the power generation storage module generates power and stores redundant electric quantity by utilizing the matching of an internal combustion engine and a lithium iron phosphate battery;
the conversion transmitting module converts the electric energy into energy which can be used for wireless transmission and transmits the energy in a certain direction;
and the receiving storage module is used for receiving the energy transmitted by the transmitting storage module, converting the energy into the energy for driving the vehicle and storing redundant electric energy.
Furthermore, the identification module adopts an image comparison mode, and after the license plate is successfully compared with a preset license plate, the result is transmitted to the control module.
Further, the control module can receive signals from the identification module and the detection module, and timely start the power generation storage module, the conversion and transmission module and the receiving and storage module according to setting judgment.
Furthermore, the detection module adopts a laser radar and a millimeter wave radar, and transmits information such as the distance between the front vehicle and the rear vehicle and whether the charging condition is met to the control module.
Further, the power generation storage module specifically includes:
the power generation unit generates power by combining an internal combustion engine and a generator, and the storage unit stores and releases redundant electric quantity by combining a lithium iron phosphate battery and an inverter; the power generation storage module has the following working modes: in a parallel mode, the generator normally generates power, and the lithium iron phosphate battery discharges through the inverter to jointly provide power for a rear vehicle; and in a power generation and storage mode, the generator generates power, part of the power is used for driving a rear vehicle, and part of the power is stored in the lithium iron phosphate battery.
Further, the conversion and transmission module adopts magnetic coupling resonant wireless charging, and specifically includes: high frequency DC/AC contravariant unit, rectification unit, transmitting terminal. The electric energy generated by the power generation storage module is converted by the conversion transmitting module, converted into a high-frequency AC signal and transmitted by the transmitting coil.
Further, the receiving and storing module can be placed at the front part of the rescued vehicle and is connected with a driving motor of the rescued vehicle in parallel; the receiving and storing module specifically comprises: the device comprises a receiving coil, a rectifying unit and a storage unit; the storage unit is formed by combining a lithium iron phosphate battery and an inverter, and performs charging and discharging actions under the control of the control module.
On the other hand, the invention also provides a new energy automobile trailer rescue method, which comprises the following steps:
s1, the recognition module judges whether the front vehicle is the target vehicle according to the preset value and transmits the recognition result to the control module;
s2: the control module receives the information of the identification module, judges whether to start the power generation storage module, starts the power generation storage module if the preset condition is met, and does not start the power generation storage module if the preset condition is not met;
s3: after the power generation storage module is started, the control module detects the power generation power, and when the power generation power exceeds a threshold value, a circuit is switched on to store redundant electric quantity to the lithium iron phosphate battery;
s4: the detection module is started, whether the front vehicle and the rear vehicle meet wireless charging conditions or not is judged by using the laser radar and the millimeter wave radar according to a preset value, when the charging conditions are met, a signal is transmitted to the control module, and the conversion transmitting module and the receiving and storing module are started to drive the rear vehicle;
s5, when the rear vehicle is started, the control module detects the receiving storage module, and when the wireless charging power exceeds a threshold value, the control module switches on a circuit to store the redundant electric quantity into the lithium iron phosphate battery of the receiving storage module;
s6: when the detection module detects that the front vehicle and the rear vehicle do not meet the wireless charging condition, the detection module transmits a signal to the control module, the lithium iron phosphate battery of the receiving and storing module is switched on, and the lithium iron phosphate battery is utilized to drive the rear vehicle.
The technical scheme provided in the embodiment of the application at least has the following technical effects or advantages:
due to the adoption of resonant wireless charging, high-power wireless charging within a certain distance can be realized under the current technical condition, front and rear vehicles are not bound by a traditional trailer rope, and can run at a certain speed even if the battery power of the rear vehicle is exhausted under a complex road condition, and the electric quantity can be continuously supplemented during running, so that the safety problem during rescue of a new energy vehicle is solved, the rescue efficiency is improved, and the rescue cost is reduced.
Drawings
Fig. 1 is a schematic diagram of a new energy automobile rescue trailer system in operation.
Fig. 2 is a schematic structural diagram of a new energy automobile rescue trailer system.
Fig. 3 is a flow chart of a new energy automobile rescue trailer method.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments; all other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, belong to the scope of the present invention.
As shown in fig. 1, 2 and 3, the core of the invention is to provide a rescue trailer system and method for a new energy automobile, which effectively improve the safety and efficiency of trailer rescue and reduce the trailer cost.
As shown in fig. 1, 2 and 3, the new energy automobile rescue trailer system 10 can be placed in a rescue vehicle, and when rescue is needed, the receiving and storing module 106 is placed in front of the vehicle to be rescued; the rescue plan is implemented according to the following steps:
s1, the recognition module 101 starts to work, judges whether the target vehicle is a rescue vehicle,
s2, transmitting the judgment result to the control module 102, wherein the judgment result meets the set condition and meets the rescue condition;
s3, starting the power generation storage module 104, and when the power generation power exceeds a threshold value, connecting a circuit by the control module, and storing the redundant electric quantity into the lithium iron phosphate battery through the voltage reduction rectification unit;
s4, the detection module 103 is started, the feedback information of the optical radar and the millimeter wave radar is transmitted to the control module 102, whether the charging condition is met or not is judged, and when the charging condition is met, the control module 102 starts the system 10, and at the moment, the system starts to work;
s5, when the system normally operates, the control module 102 detects the wireless charging power of the rear vehicle, when the wireless charging power exceeds a threshold value, the control module is switched on to store the redundant electric quantity to the lithium iron phosphate battery, if the energy consumption of the rescued vehicle is increased and more power is needed, the control module 102 is switched off to stop charging, and the receiving and storing module 106 works to drive the vehicle to advance;
and S6, the detection module 103 works continuously, when the current rear vehicle does not meet the wireless charging condition due to the complex road condition, an instruction is given to the control module 102, the control module 102 is connected with a relevant circuit, and the rescued vehicle is driven to move forward by utilizing the lithium iron phosphate battery in the rescued vehicle to cooperate with the inverter.
In the embodiment, due to the consideration of the limiting condition of wireless charging, under the conditions that the wireless charging environment of the front vehicle and the wireless charging environment of the rear vehicle are poor and the interference factors are excessive, the working mode can be changed timely by the control module 102, the lithium iron phosphate battery is independently utilized to work in cooperation with the inverter to provide energy for the rear vehicle, the safety problem of the traditional trailer is solved, and meanwhile, the resonant wireless charging is utilized to meet the power requirement under a certain condition; due to the adoption of the scheme of wireless charging and the standby battery, the system can be used for trailer rescue of most new energy vehicles, the safety of a rescue trailer is effectively improved, and the cost is reduced while the efficiency is improved.
Claims (8)
1. A new energy automobile rescue trailer system and a method are characterized by comprising the following steps:
the identification module is used for identifying the rescued vehicle and transmitting an identification result to the control module;
the control module controls the power generation storage module and the receiving storage module according to the result of the identification module and the speed of the rear vehicle, and switches the working mode of the power generation storage module in due time;
the detection module is used for detecting the posture of the rear vehicle and transmitting the result to the control system;
the power generation storage module generates power and stores redundant electric quantity by utilizing the internal combustion engine to be matched with a battery;
the conversion transmitting module converts the electric energy into energy which can be used for wireless transmission and transmits the energy in a certain direction;
the receiving and storing module is used for receiving the energy transmitted by the transmitting and storing module, converting the energy into the energy for driving the vehicle and storing redundant electric energy;
the control module controls the identification module, the detection module, the power generation storage module, the conversion and transmission module and the receiving and storage module according to a certain method.
2. The new energy automobile rescue trailer system as claimed in claim 1, wherein the recognition module adopts an image comparison mode, and after the comparison with a preset license plate is successful, the result is transmitted to the control module.
3. The new energy automobile rescue trailer system as claimed in claim 1, wherein the control module is capable of receiving signals from the identification module and the detection module, and timely starting the power generation storage module, the conversion and transmission module and the receiving and storage module according to setting judgment.
4. The new energy automobile rescue trailer system as claimed in claim 1, wherein the detection module employs a laser radar and a millimeter wave radar to transmit information such as a distance between a front vehicle and a rear vehicle and whether a charging condition is satisfied to the control module.
5. The new energy automobile rescue trailer system as claimed in claim 1, wherein the power generation storage module specifically comprises:
the power generation unit generates power by combining an internal combustion engine and a generator, and the storage unit stores and releases redundant electric quantity by combining a lithium iron phosphate battery and an inverter; the power generation storage module has the following working modes:
in a parallel mode, the generator normally generates power, and the lithium iron phosphate battery discharges through the inverter to jointly provide power for a rear vehicle; and in a power generation and storage mode, the generator generates power, part of the power is used for driving a rear vehicle, and part of the power is stored in the lithium iron phosphate battery.
6. The new energy automobile rescue trailer system as claimed in claim 1, wherein the conversion and transmission module adopts magnetic coupling resonant wireless charging, specifically comprising: the high-frequency DC/AC inverter unit, the rectifying unit and the transmitting coil; the electric energy generated by the power generation storage module is converted by the conversion transmitting module, converted into a high-frequency AC signal and transmitted by the transmitting coil.
7. The new energy automobile rescue trailer system according to claim 1, wherein the receiving and storing module can be placed on a rescued vehicle and connected with a rescued vehicle driving motor in parallel; the receiving and storing module specifically comprises: the device comprises a receiving coil, a rectifying unit and a storage unit; the storage unit is formed by combining a lithium iron phosphate battery and an inverter, and performs charging and discharging actions under the control of the control module.
8. A control method of a new energy automobile rescue trailer system is characterized by comprising the following steps:
s1, the identification module judges whether the front vehicle is a target vehicle according to a preset value and transmits a signal to the control module;
s2: the control module receives the information of the identification module, judges whether to start the power generation storage module, starts the power generation storage module if the preset condition is met, and does not start the power generation storage module if the preset condition is not met;
s3: after the power generation storage module is started, the control module detects the power generation power, and when the power generation power exceeds a threshold value, a circuit is switched on to store redundant electric quantity to the lithium iron phosphate battery;
s4: the detection module is started, whether the front vehicle and the rear vehicle meet wireless charging conditions or not is judged by using the laser radar and the millimeter wave radar according to a preset value, when the charging conditions are met, a signal is transmitted to the control module, and the conversion transmitting module and the receiving and storing module are started to drive the rear vehicle;
s5, when the rear vehicle is started, the control module detects whether the wireless charging power of the receiving and storing module exceeds a threshold value, and when the wireless charging power exceeds the threshold value, the control module switches on a circuit to store the redundant electric quantity into the lithium iron phosphate battery of the receiving and storing module;
s6: when the detection module detects that the front vehicle and the rear vehicle do not meet the wireless charging condition, the detection module transmits a signal to the control module, the lithium iron phosphate battery of the receiving and storing module is switched on, and the lithium iron phosphate battery is matched with the inverter to drive the rear vehicle.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110493438.8A CN113147439A (en) | 2021-05-07 | 2021-05-07 | New energy automobile rescue trailer system and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110493438.8A CN113147439A (en) | 2021-05-07 | 2021-05-07 | New energy automobile rescue trailer system and method |
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| CN113147439A true CN113147439A (en) | 2021-07-23 |
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| CN202110493438.8A Pending CN113147439A (en) | 2021-05-07 | 2021-05-07 | New energy automobile rescue trailer system and method |
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2021
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| CN104638696A (en) * | 2013-11-11 | 2015-05-20 | 比亚迪股份有限公司 | System and method for wirelessly charging new energy automobile by mobile energy storage power station |
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Application publication date: 20210723 |
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