Kinetic energy recycling system for electric vehicle
By introducing terminal blocks, batteries, controllers, and energy recovery devices into electric vehicles, and using unidirectional diodes to protect the batteries and devices, low-cost energy recovery is achieved. The system is easy to install and disassemble, enhancing its market competitiveness.
Patent Information
- Application Number
- CN202520226120.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-13
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2035-02-13
AI Technical Summary
Existing kinetic energy recovery systems for electric vehicles are costly and inconvenient to install, making them difficult to widely promote in the market.
It employs a terminal block, a storage battery, a controller, a motor, and a kinetic energy recovery device. The battery and device are protected by a unidirectional diode, enabling unidirectional current flow. The kinetic energy recovery device converts and amplifies the current to charge the storage battery.
It achieves low-cost kinetic energy recovery, the system is easy to install and disassemble, and it enhances market competitiveness.
Smart Images
Figure CN223605470U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to electric motor car technical field, concretely is a kind of electric motor car kinetic energy recycling system. BACKGROUND
[0002] The motor of electric motor car is usually direct current brushless motor or alternating current induction motor, when electric motor car brakes or downhill, the rotor of motor is rotated by wheel, at this time, the rotating speed of motor exceeds its synchronous rotating speed in normal driving state, the relative movement between magnetic field in motor and winding changes, thereby generating induction electromotive force and induction current to realize power generation, i.e., when the rotating speed of motor exceeds its synchronous rotating speed, electromagnetic induction phenomenon in motor makes motor in power generation state.
[0003] Electric motor car stores and reuses the electric energy generated by motor in power generation state, which not only can improve the energy utilization efficiency of electric motor car, but also can reduce energy loss during braking, increase the cruising range of vehicle, some high-end electric motor cars have installed kinetic energy recycling system, but most people buy electric motor car just for the distance between home and station, so they will not choose expensive electric motor car but pursue cost performance, since electric motor car market is highly competitive, therefore, it has important practical significance to develop a kind of electric motor car kinetic energy recycling system with low cost and convenient installation to achieve matching effect. SUMMARY
[0004] (I) technical problem solved
[0005] In view of the deficiencies in the prior art, the utility model provides a kind of electric motor car kinetic energy recycling system, solve the problem raised in the above background technology.
[0006] (II) technical scheme
[0007] To achieve the above object, the utility model is realized by the following technical scheme: a kind of electric motor car kinetic energy recycling system, including wiring board, battery, controller, motor and kinetic energy recovery device, the wiring end of wiring board includes positive +, negative —, U end, W end and V end, the positive + of wiring board and the negative — of one end are connected with the positive and negative of battery respectively and the cable connected with negative is connected with battery negative unidirectional diode in series, kinetic energy recovery device is installed between wiring board, battery and motor and is connected with the cable of battery positive and the cable of wiring board negative respectively and is connected with recovery device positive unidirectional diode and recovery device negative unidirectional diode in series.
[0008] Preferably, all wiring ends of wiring board are connected with the corresponding wiring end of controller one by one, i.e., the positive and negative of battery are connected with the positive and negative of controller by bridging of wiring board, and the three wires of controller and motor are connected with each other by bridging of wiring board.
[0009] Preferably, the battery negative unidirectional diode makes the current of the battery negative electrode flow back only in one direction, which prevents the reverse current generated by the motor from flowing back into the battery or the motor, protects the battery from the reverse current, and prolongs the service life of the battery.
[0010] Preferably, the recovery device positive unidirectional diode and the recovery device negative unidirectional diode can make the current flow from the kinetic energy recovery device to the battery, so as to avoid the battery from powering the kinetic energy recovery device and protect the kinetic energy recovery device from short circuit.
[0011] Preferably, the battery powers the controller, and the controller powers the motor according to the demand, that is, the start-stop and speed of the motor can be controlled through the controller without changing the voltage of the battery.
[0012] Preferably, the positive electrode of the kinetic energy recovery device is connected to the positive line of the motor, and the negative electrode is connected to the negative electrode of the controller, so that the current generated by the motor is converted and amplified by the kinetic energy recovery device and then charges the battery.
[0013] The utility model provides a kind of electric vehicle kinetic energy recycling system, with the following beneficial effects:
[0014] 1、The electric vehicle kinetic energy recycling system, by the setting of kinetic energy recovery device, the electric vehicle kinetic energy recycling system has the effect of low material cost, since the effect of kinetic energy recovery device is only current conversion and amplification similar to the principle of transformer, the cost of mature technology is low for mass production and direct purchase, so the material cost required for electric vehicle to realize kinetic energy recovery is very low by this method.
[0015] 2、The electric vehicle kinetic energy recycling system, by the cooperation of kinetic energy recovery device and unidirectional diode, the electric vehicle kinetic energy recycling system has the effect of facilitating disassembly and realizing optional configuration to improve market competitiveness, kinetic energy recovery device can be added to electric vehicle control circuit to realize kinetic energy recovery by several wires and several unidirectional diodes, and similarly, disassembling kinetic energy recovery device will not affect the normal use of electric vehicle, so it can be selected as optional components to improve market competitiveness. DRAWINGS
[0016] Figure 1 It is the wiring schematic diagram of the utility model.
[0017] In the drawing: 1, wiring row; 2, battery; 3, controller; 4, motor; 5, kinetic energy recovery device; 6, battery negative unidirectional diode; 7, recovery device positive unidirectional diode; 8, recovery device negative unidirectional diode. DETAILED DESCRIPTION
[0018] Clearly, the described embodiments are merely a part of the embodiments of the present utility model, rather than all the embodiments.
[0019] Please refer to Figure 1 The utility model provides a technical scheme: a kind of electric vehicle kinetic energy recycling system, including wiring panel 1, battery 2, controller 3, motor 4 and kinetic energy recovery device 5, all terminal of wiring panel 1 are connected with the corresponding terminal of controller 3 one by one, i.e. the positive and negative pole of battery 2 is bridged with the positive and negative pole of controller 3 by wiring panel 1, and the three wires of controller 3 and motor 4 are connected with each other by bridging of wiring panel 1, battery 2 supplies power to controller 3, and controller 3 supplies power to motor 4 according to requirement, i.e. under the condition that the voltage of battery 2 is invariable, the start-stop and rotating speed of motor 4 can be controlled by controller 3, and the size of the voltage output by controller 3 to motor 4 is controlled by electric vehicle handle, the terminal of wiring panel 1 includes positive pole+, negative pole-, U end, W end and V end, one end of positive pole+ and negative pole- of wiring panel 1 is connected with the positive pole and negative pole of battery 2 respectively, and battery negative unidirectional diode 6 is connected in series on the cable connected with negative pole, battery negative unidirectional diode 6 makes the current of negative pole of battery 2 only flow back in one direction, which can prevent the reverse current generated by motor 4 from flowing back into battery or motor, protect battery from the influence of reverse current, prolong the service life of battery, the positive pole of kinetic energy recovery device 5 is connected with the wire of motor 4, and the negative pole is connected with the negative pole of controller 3, the current generated by motor 4 is converted and amplified by kinetic energy recovery device 5 and then charges battery 2, kinetic energy recovery device 5 is installed between wiring panel 1, battery 2 and motor 4, and recovery device positive unidirectional diode 7 and recovery device negative unidirectional diode 8 are connected in series on the cable connected with the positive pole of battery 2 and the cable connected with the negative pole of wiring panel 1 respectively, recovery device positive unidirectional diode 7 and recovery device negative unidirectional diode 8 can make current only flow from kinetic energy recovery device 5 to battery 2, avoid battery 2 supplying power to kinetic energy recovery device 5, and protect kinetic energy recovery device 5 from short circuit.
[0020] When in use, the electric vehicle is first connected according to the wiring mode without the kinetic energy recovery and reuse system, and then the kinetic energy recovery device 5 is directly purchased from the market or ordered from the manufacturer. The kinetic energy recovery device 5 works like a transformer, which is a very mature technology, so the purchase cost and the custom cost are very low. The kinetic energy recovery device 5 is provided with an output cable with two cores and an input cable with two cores. The output cable includes an output positive line and an output negative line, and the input cable includes an input positive line and an input negative line. The end of the output positive line is connected with a recovery device positive unidirectional diode 7, the end of the output negative line is connected with a battery negative unidirectional diode 6, and the end of the input negative line is connected with a recovery device negative unidirectional diode 8. The kinetic energy recovery device 5 and the three unidirectional diodes form a set of electric vehicle kinetic energy recovery and reuse system. The kinetic energy recovery and reuse system is independently packaged and shipped with low-end electric vehicles. When sold, the kinetic energy recovery and reuse system is used as an optional accessory for customers to choose whether to install. At this time, customers only need to spend a small amount of money to install the system on a low-end electric vehicle, which can provide a sales highlight for the product to improve market competitiveness. When the customer chooses to install the system, the salesperson will tell the system to access when installing the battery. Specifically, the battery negative unidirectional diode 6 is first removed, and then connected in series between the battery negative and the circuit of the output negative of the kinetic energy recovery device 5 of the wiring row 1. The output negative of the kinetic energy recovery device 5 is directly connected to the negative electrode of the storage battery 2. Then the recovery device positive unidirectional diode 7 is directly connected to the positive electrode of the storage battery 2, and the recovery device negative unidirectional diode 8 is directly connected to the negative electrode of the wiring row 1. Finally, the input positive of the kinetic energy recovery device 5 is connected to the positive electrode of the wiring row 1. At this time, the electric vehicle brakes or goes downhill, and the wheel drives the rotor of the motor to rotate. The speed of the motor exceeds the synchronous speed in the normal driving state, the relative movement between the magnetic field and the winding in the motor changes, and the induced electromotive force and induced current are generated to realize power generation. That is, when the speed of the motor 4 exceeds the synchronous speed, the electromagnetic induction phenomenon in the motor 4 will make the motor 4 in the power generation state. The above wiring mode connects the kinetic energy recovery device 5 between the motor 4 and the storage battery 2 without affecting the normal operation of the circuit. Once the motor 4 generates electricity, the electric energy is converted and amplified to charge the storage battery 2 to achieve the effect of kinetic energy recovery and reuse.
[0021] In summary, the electric vehicle kinetic energy recovery and reuse system only converts and amplifies the current through the kinetic energy recovery device 5, which is similar to the principle of a transformer. The existing technology is mature, easy to mass-produce, and the cost of direct purchase is also very low. Therefore, through this method, the material cost required for the electric vehicle to realize kinetic energy recovery is very low. The kinetic energy recovery device 5 can be added to the electric vehicle control circuit to realize kinetic energy recovery through a few wires and a few unidirectional diodes. Similarly, removing the kinetic energy recovery device 5 will not affect the normal use of the electric vehicle, so it can be used as an optional accessory for customers to choose to improve market competitiveness.
[0022] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.
Claims
1. A kinetic energy recovery system for an electric vehicle, comprising a wiring harness (1), a battery (2), a controller (3), an electric motor (4) and a kinetic energy recovery device (5), characterized in that: The terminal of the busbar (1) includes positive +, negative --, U terminal, W terminal and V terminal, the positive + and negative -- of the busbar (1) are connected with the positive and negative of the battery (2) respectively, and the cable connected with the negative has a battery negative unidirectional diode (6) in series, the kinetic energy recovery device (5) is installed between the busbar (1), the battery (2) and the motor (4), and the cable connected with the positive of the battery (2) and the cable connected with the negative of the busbar (1) have a recovery device positive unidirectional diode (7) and a recovery device negative unidirectional diode (8) in series respectively.
2. The electric vehicle kinetic energy recovery system of claim 1, wherein: All the terminals of the busbar (1) are connected with the corresponding terminals of the controller (3) one by one, that is, the positive and negative of the battery (2) are connected with the positive and negative of the controller (3) through the bridging of the busbar (1), and the three wires of the controller (3) and the motor (4) are connected with each other through the bridging of the busbar (1).
3. The electric vehicle kinetic energy recovery system of claim 1, wherein: The battery negative unidirectional diode (6) makes the current of the negative of the battery (2) flow back only in one direction, which can prevent the reverse current generated by the motor (4) from flowing back into the battery or the motor, protect the battery from the reverse current, and prolong the service life of the battery.
4. The electric vehicle kinetic energy recovery system of claim 1, wherein: The recovery device positive unidirectional diode (7) and the recovery device negative unidirectional diode (8) can make the current flow from the kinetic energy recovery device (5) to the battery (2) only, which can avoid the battery (2) from supplying power to the kinetic energy recovery device (5) and protect the kinetic energy recovery device (5) from short circuit.
5. The electric vehicle kinetic energy recovery system of claim 1, wherein: The battery (2) supplies power to the controller (3), and the controller (3) supplies power to the motor (4) according to the demand, that is, the start-stop and speed of the motor (4) can be controlled through the controller (3) under the condition that the voltage of the battery (2) is unchanged.
6. The electric vehicle kinetic energy recovery system of claim 1, wherein: The positive of the kinetic energy recovery device (5) is connected with the wire of the motor (4), and the negative is connected with the negative of the controller (3), the current generated by the motor (4) is converted and amplified through the kinetic energy recovery device (5) and then charges the battery (2).