CN111016684A - Energy recovery system of electric automobile - Google Patents
Energy recovery system of electric automobile Download PDFInfo
- Publication number
- CN111016684A CN111016684A CN201911395914.1A CN201911395914A CN111016684A CN 111016684 A CN111016684 A CN 111016684A CN 201911395914 A CN201911395914 A CN 201911395914A CN 111016684 A CN111016684 A CN 111016684A
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- Prior art keywords
- converter
- motor
- electrically connected
- energy recovery
- recovery system
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Classifications
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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
- B60L50/51—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells characterised by AC-motors
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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
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
- B60L3/0046—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electric energy storage systems, e.g. batteries or capacitors
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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
- B60L7/00—Electrodynamic brake systems for vehicles in general
- B60L7/10—Dynamic electric regenerative braking
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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
- Y02T10/72—Electric energy management in electromobility
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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)
- Regulating Braking Force (AREA)
Abstract
The invention provides an electric automobile energy recovery system, belongs to the technical field of new energy automobiles, and particularly relates to an electric automobile energy recovery system. The problem of the energy that the operation of existing some motor vehicles produced can not obtain abundant utilization and the loss is solved. It includes drive wheel main shaft, derailleur, motor, controller, DC/DC converter, AC/DC converter, deposit battery, motor control circuit and braking hydraulic pressure sensor, controller and deposit battery are all installed inside electric automobile, controller and DC/DC converter, AC/DC converter and motor control circuit are equallyd divide and are do not electric connection, AC/DC converter and motor electric connection, AC/DC converter and DC/DC converter electric connection, DC/DC converter and deposit battery electric connection, motor control circuit and motor electric connection, braking hydraulic pressure sensor and motor control circuit electric connection. The method is mainly used for recovering the energy of the electric automobile.
Description
Technical Field
The invention belongs to the technical field of new energy automobiles, and particularly relates to an energy recovery system of an electric automobile.
Background
In the prior art, electric vehicles generate a large amount of energy during running and braking, but the energy cannot be fully utilized and is lost.
Disclosure of Invention
The invention provides an energy recovery system of an electric automobile, aiming at solving the problems in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme: an energy recovery system of an electric automobile comprises a driving wheel spindle, a transmission, a motor, a controller, a DC/DC converter, an AC/DC converter, a storage battery, a motor control circuit and a brake hydraulic sensor, wherein the driving wheel spindle is positioned at the body of the electric automobile, the transmission and the motor are both installed at the chassis of the electric automobile, the driving wheel spindle is in transmission connection with the transmission, the transmission is in transmission connection with the motor, the controller and the storage battery are both installed in the electric automobile, the controller, the DC/DC converter, the AC/DC converter and the motor control circuit are respectively in electrical connection, the AC/DC converter is in electrical connection with the motor, the AC/DC converter is in electrical connection with the DC/DC converter, and the DC/DC converter is in electrical connection with the storage battery, the motor control circuit is electrically connected with the motor, and the brake hydraulic sensor is electrically connected with the motor control circuit.
Furthermore, the motor control circuit is electrically connected with the ABS control system.
Furthermore, the energy recovery system further comprises a braking mechanism, the braking mechanism is installed inside the electric automobile and comprises a braking pedal, an ABS (anti-lock brake system) and an ABS (anti-lock brake system) control system, the braking hydraulic sensor is in transmission connection with the braking pedal and the ABS, the braking pedal is in transmission connection with the ABS, the ABS is in transmission connection with the ABS control system, and the ABS is in transmission connection with a driving wheel spindle.
Furthermore, the energy recovery system further comprises a super capacitor, and the super capacitor is electrically connected with the controller.
Furthermore, the energy recovery system further comprises an auxiliary power supply, the auxiliary power supply is electrically connected with the controller, and the auxiliary power supply is electrically connected with the storage battery.
Furthermore, the energy recovery system further comprises a memory, and the memory is electrically connected with the controller.
Compared with the prior art, the invention has the beneficial effects that: the problem of the energy that the operation of existing some motor vehicles produced can not obtain abundant utilization and the loss is solved. In the running process of the electric automobile, a main shaft of a driving wheel rotates to drive a transmission to run and further transmit the transmission to a motor, the motor converts generated alternating current into direct current through an AC/DC converter, then the direct current is charged into electric energy of a storage battery through a DC/DC converter in a direct current mode, and a controller controls the running of the AC/DC converter and the DC/DC converter; the super capacitor can reduce the current and the voltage of the surplus current, so that the controller is prevented from being damaged by the surplus current, and the safety performance of the energy recovery management system of the electric automobile is improved; when a driver brakes an ABS through a pedal, a braking signal is transmitted to a braking hydraulic sensor, meanwhile, the ABS control system acts on a driving wheel spindle to brake, the braking signal of the braking hydraulic sensor drives a motor control circuit to control energy recovery of a motor, the motor converts generated alternating current into direct current through an AC/DC converter, and then the direct current is charged into electric energy of a storage battery through the DC/DC converter in a direct current mode. The energy generated by the electric automobile is fully utilized.
Drawings
FIG. 1 is a schematic diagram illustrating an overall connection of an energy recovery system of an electric vehicle according to the present invention;
FIG. 2 is a schematic view of a connection structure of a braking mechanism according to the present invention
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely explained below with reference to the drawings in the embodiments of the present invention.
Referring to fig. 1-2 to illustrate the embodiment, an energy recovery system for an electric vehicle includes a driving wheel spindle, a transmission, a motor, a controller, a DC/DC converter, an AC/DC converter, a storage battery, a motor control circuit, and a braking hydraulic sensor, wherein the driving wheel spindle is located at a body of the electric vehicle, the transmission and the motor are both installed at a chassis of the electric vehicle, the driving wheel spindle is in transmission connection with the transmission, the transmission is in transmission connection with the motor, the controller and the storage battery are both installed inside the electric vehicle, the controller is respectively in electrical connection with the DC/DC converter, the AC/DC converter and the motor control circuit, the AC/DC converter is in electrical connection with the motor, the AC/DC converter is in electrical connection with the DC/DC converter, and the DC/DC converter is in electrical connection with the storage battery, the motor control circuit is electrically connected with the motor, and the brake hydraulic sensor is electrically connected with the motor control circuit.
The embodiment comprises a controller arranged in an electric automobile, the controller is electrically connected with a motor control circuit arranged in the electric automobile, an AC/DC converter, a DC/DC converter, a super capacitor, an auxiliary power supply and a memory, the AC/DC converter is electrically connected with a motor arranged on a chassis of the electric automobile, the motor is in transmission connection with a transmission arranged on the chassis of the electric automobile, the transmission is in transmission connection with a driving wheel main shaft arranged on a body of the electric automobile, the DC/DC converter is electrically connected with a storage battery arranged in the electric automobile, the motor control circuit is electrically connected with an ABS control system and a brake hydraulic pressure sensor arranged in the electric automobile, the motor control circuit is electrically connected with the ABS control system, the super capacitor is electrically connected with the controller, the auxiliary power supply is electrically connected with the controller, the auxiliary power supply is electrically connected with the storage battery. The memory is electrically connected with the controller and used for caching data of the controller. .
Preferably, the energy recovery system further comprises a brake mechanism, the brake mechanism is installed inside the electric automobile, the brake mechanism comprises a brake pedal, an ABS and an ABS control system, the brake hydraulic sensor is in transmission connection with the brake pedal and the ABS respectively, the brake pedal is in transmission connection with the ABS, the ABS is in transmission connection with the ABS, and the ABS is in transmission connection with a driving wheel spindle.
When the automobile is used, the main shaft of the driving wheel rotates in the running process of the automobile, so that the transmission is driven to run and further transmitted to the motor, the motor converts the generated alternating current into direct current through the AC/DC converter, then the direct current is charged into the electric energy of the storage battery through the DC/DC converter in the form of direct current, and the controller controls the running of the AC/DC converter and the DC/DC converter; the super capacitor can reduce the current and the voltage of the surplus current, so that the controller is prevented from being damaged by the surplus current, and the safety performance of the energy recovery management system of the electric automobile is improved; when a driver brakes an ABS through a pedal, a braking signal is transmitted to a braking hydraulic sensor, meanwhile, the ABS control system acts on a driving wheel spindle to brake, the braking signal of the braking hydraulic sensor drives a motor control circuit to control energy recovery of a motor, the motor converts generated alternating current into direct current through an AC/DC converter, and then the direct current is charged into electric energy of a storage battery through the DC/DC converter in a direct current mode.
The above detailed description is provided for the energy recovery system of the electric vehicle, and the principle and the implementation of the invention are explained in the present text by applying specific examples, and the description of the above examples is only used to help understanding the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (6)
1. The utility model provides an electric automobile energy recuperation system which characterized in that: the electric vehicle comprises a driving wheel spindle, a transmission, a motor, a controller, a DC/DC converter, an AC/DC converter, a storage battery, a motor control circuit and a brake hydraulic sensor, wherein the driving wheel spindle is positioned at the body of the electric vehicle, the transmission and the motor are both arranged at the chassis of the electric vehicle, the driving wheel spindle is in transmission connection with the transmission, the transmission is in transmission connection with the motor, the controller and the storage battery are both arranged inside the electric vehicle, the controller, the DC/DC converter, the AC/DC converter and the motor control circuit are respectively and electrically connected, the AC/DC converter is electrically connected with the motor, the AC/DC converter is electrically connected with the DC/DC converter, the DC/DC converter is electrically connected with the storage battery, and the motor control circuit is electrically connected with the motor, and the brake hydraulic sensor is electrically connected with the motor control circuit.
2. The energy recovery system of claim 1, wherein: the motor control circuit is electrically connected with the ABS control system.
3. The energy recovery system of claim 1, wherein: the energy recovery system still includes brake mechanism, brake mechanism installs inside electric automobile, brake mechanism includes brake pedal, ABS anti-lock braking system and ABS control system, brake hydraulic sensor and brake pedal and ABS anti-lock braking system equally divide and do not transmit and be connected, brake pedal and ABS anti-lock braking system transmission are connected, ABS anti-lock braking system is connected with ABS control system transmission, ABS control system is connected with drive wheel spindle drive.
4. The energy recovery system of claim 1, wherein: the energy recovery system further comprises a super capacitor, and the super capacitor is electrically connected with the controller.
5. The energy recovery system of claim 1, wherein: the energy recovery system further comprises an auxiliary power supply, the auxiliary power supply is electrically connected with the controller, and the auxiliary power supply is electrically connected with the storage battery.
6. The energy recovery system of claim 1, wherein: the energy recovery system further comprises a memory, and the memory is electrically connected with the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911395914.1A CN111016684A (en) | 2019-12-30 | 2019-12-30 | Energy recovery system of electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911395914.1A CN111016684A (en) | 2019-12-30 | 2019-12-30 | Energy recovery system of electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111016684A true CN111016684A (en) | 2020-04-17 |
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ID=70199774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911395914.1A Pending CN111016684A (en) | 2019-12-30 | 2019-12-30 | Energy recovery system of electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111016684A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116034659A (en) * | 2023-01-30 | 2023-05-02 | 青岛理工大学 | Electric drive lifting system with energy recovery function for agricultural machinery |
-
2019
- 2019-12-30 CN CN201911395914.1A patent/CN111016684A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116034659A (en) * | 2023-01-30 | 2023-05-02 | 青岛理工大学 | Electric drive lifting system with energy recovery function for agricultural machinery |
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