[0028] The present invention provides a comprehensive use of the energy consumption generated in the riding process of an electric vehicle to generate electricity, and the electric energy generated by the power generation is stored in an auxiliary battery to be used as a backup battery for the electric vehicle, and an electric vehicle riding Energy consumption comprehensive recycling system.
[0029] First, the electric vehicle energy recovery device composed of the electric vehicle vibration energy recovery device and the electric vehicle brake energy recovery device will be specifically described.
[0030] Such as figure 1 Shown is an electric vehicle vibration energy recovery device, including an electric vehicle shock absorber 1. The electric vehicle shock absorber includes a shock absorbing fork and a shock absorbing spring arranged on the shock absorbing fork, and is also provided with a micro generator 2 Rectification and voltage stabilization circuit board and auxiliary battery, the micro generator is electrically connected to the rectification and voltage stabilization circuit board, the rectification and voltage stabilization circuit board is electrically connected to the auxiliary battery, and the damping fork is arranged between the micro generator There is a vibration motion conversion mechanism that converts the up and down linear motion of the damping fork into a rotational motion. The vibration motion conversion mechanism drives the micro-generator to work, and the electrical energy generated by the micro-generator is rectified and stabilized by the rectifying and stabilizing circuit board. Then output and store in the auxiliary battery.
[0031] Wherein, the vibration motion conversion mechanism includes a rotating shaft support and a rotating shaft 11, the rotating shaft is supported on the rotating shaft support through a bearing, and a flywheel 12 that drives the micro generator is provided on the rotating shaft. Further, the rotating shaft is a crankshaft, the vibration motion conversion mechanism further includes a connecting rod connected with the crankshaft, the connecting rod is connected with a sliding block, and the sliding block is mounted on a shock-absorbing fork. As another alternative structure, the vibration motion conversion mechanism further includes a conversion shaft perpendicular to the rotating shaft, a bevel gear is provided at the head end of the conversion shaft to mesh with the bevel gear on the shock-absorbing fork, and the conversion shaft tail The end is provided with a bevel gear to mesh with the bevel gear on the rotating shaft.
[0032] The electric vehicle vibration energy recovery device uses the linear motion generated by the up and down vibration of the electric vehicle to be converted into circular motion through the vibration motion conversion mechanism, which drives the micro-generator to run to generate electrical energy, which is stored by the rectifier voltage stabilizer circuit board. In the auxiliary battery, it can not only store electrical energy as a backup battery for electric vehicles, but also use the reaction force of the vibration conversion mechanism to weaken the vibration of the electric vehicle and make the rider feel more comfortable.
[0033] Such as figure 2 with image 3 As shown, the brake energy recovery device for electric vehicles is similar to the vibration energy recovery device for electric vehicles. It also needs to be equipped with a micro generator 2, a rectifying and stabilizing circuit board, and an auxiliary battery to generate power, rectify, stabilize, and store electrical energy. Similarly, The micro generator 2 is electrically connected to a rectifying and stabilizing circuit board, and the rectifying and stabilizing circuit board is electrically connected to an auxiliary battery. More importantly, the electric vehicle brake energy recovery device also includes an energy conversion shaft fixed on the vehicle body 13. The energy conversion shaft is parallel to the wheel shaft 15, a friction disk 16 concentric with the wheel shaft is fixed on the wheel, an energy conversion disk 14 is provided on the energy conversion shaft, and an energy conversion disk 14 is provided on the radial outside of the energy conversion shaft. A micro generator, the energy conversion shaft is provided with a flywheel that drives the micro generator to work, the energy conversion shaft is provided on an energy conversion bracket, and the energy conversion bracket is provided with a sliding groove for the energy conversion shaft to slide and a drive An energy conversion shaft drive structure in which the energy conversion shaft moves along the sliding groove to the friction disc to make the energy conversion disc frictionally contact the friction disc. The energy conversion shaft drive structure is controlled by a braking system. The electric energy generated by the operation of the micro generator is rectified The voltage stabilizing circuit board rectifies and stabilizes the output and stores it in the auxiliary battery.
[0034] Combine image 3 To describe the above-mentioned energy conversion shaft drive structure, the energy conversion support includes a square tube 17 with sliding grooves 18 on the left and right sides of the square tube, and openings on the wall of the square tube, and a wedge block 19 is provided in the opening. The wedge block is controlled by the brake system to move to the inside of the square tube, the wedge surface of the wedge block pushes the energy conversion shaft 13 to move along the sliding groove, and the energy conversion shaft and the wedge block are both connected with a return spring. In addition, a positioning groove is provided on the inner wall of the opening, and a positioning bar is provided on the outer wall of the wedge block to cooperate with the positioning groove, so that the running track of the wedge block can be defined. The brake system can be either a hydraulic brake or a cable brake. The hydraulic brake can drive the wedge block through hydraulic pressure, and the cable brake can drive the wedge block through the cable transmission force.
[0035] The friction disc includes a friction disc body and a friction material layer arranged on the outer circumference of the friction disc body, and the energy conversion disc comprises an energy conversion disc body and a friction material layer arranged on the outer circumference of the energy conversion disc body. The friction disc and the energy conversion disc are provided with meshing teeth that mesh with each other. The friction disc body and the energy conversion disc body need to use high-strength materials, such as cast iron, alloy steel, or high-strength plastic, and the friction layer should be friction belt or friction coating, which must ensure the strength and ensure that the production of both is large enough The friction drives rotation.
[0036] When braking, the inertial force of wheel rotation not only hinders the braking, but also a large amount of energy is lost. The electric vehicle brake energy recovery device uses the inertial rotation of the wheel during braking, and the frictional cooperation between the friction disc and the energy conversion disc drives energy conversion The shaft and flywheel drive the micro-generator to run to generate electrical energy, which is stored in the auxiliary battery after the voltage stabilization and rectification process of the rectifier voltage stabilizer circuit board. This not only can store electrical energy as a backup battery for electric vehicles, but also utilize the reaction force of the energy conversion disk. , Assist the original brake system to brake, avoiding the excessive loss of the brake system.
[0037] The electric energy generated by the above-mentioned electric vehicle energy recovery device is stored in an auxiliary battery, and the auxiliary battery is detachably installed on the body of the electric vehicle for the rider to choose and install. A battery bracket for installing auxiliary batteries is provided on the side of the electric vehicle body.
[0038] Such as Figure 4 with Figure 5 As shown, the battery bracket includes a side plate 3 fixed on the vehicle body. The left and right sides of the bottom of the outer plane of the side plate are provided with stoppers 32. The stoppers include support parts perpendicular to the outer plane of the side plate and At the bending part of the head end of the support part, the outer plane of the side plate is provided with elastic clamping structures 31 on the left and right sides of the middle part. The auxiliary battery has a rectangular structure. The bottom of the auxiliary battery is supported on the support part of the stopper 32. The left and right sides of the auxiliary battery are clamped by the elastic clamping structure 31, the auxiliary battery is electrically connected to the electric vehicle controller, the auxiliary battery is provided with a power output interface, and the power output interface is connected to the motor through a power line Connected, the electric vehicle controller is provided with a power switch circuit, and the power switch circuit controls the power of the motor to switch between the auxiliary battery and the electric vehicle main battery.
[0039] The elastic clamping structure 31 includes a sliding block fixing seat 312, a sliding block 311, and a spring 313. The sliding block is slidably arranged on the sliding block fixing seat through a sliding rail mechanism. Under the action, the sliding block elastically clamps the auxiliary battery. The slider fixing seat includes a fixed plate 3121, the left and right sides of the fixed plate are provided with baffles 3122, the bottom of the fixed plate is provided with slide holes 3123 on the left and right sides, the slider includes a slide plate 3111, the slide plate The left and right sides of the bottom are provided with sliding posts 3113, the head of the sliding post is provided with small diameter parts, the sliding plate is placed on the fixed plate, the left and right sides of the sliding plate are located inside the baffle plate, and the small diameter part is inserted into the slide hole. The spring is sleeved on the sliding column. A clamping plate 3112 is vertically arranged on the plane of the sliding plate, and a baffle 3114 is arranged on the top end of the clamping plate. The battery capacity of the auxiliary battery is 2A, and the auxiliary battery is also provided with a voltage switching circuit that controls the output voltage of the auxiliary battery.
[0040] The left and right sliders can move left and right to adapt to the auxiliary batteries of different sizes. When the auxiliary battery needs to be installed, put the auxiliary battery on the side plate, support the bottom of the auxiliary battery on the support part of the block, and then move the left slider to the left , The right slider moves to the right, the left and right sliders cooperate to clamp the auxiliary battery, and the bending part on the stopper and the baffle on the clamping plate can further prevent the auxiliary battery from falling off. After the auxiliary battery is installed, Connect the motor and auxiliary battery with the power cord.
[0041] The auxiliary battery is used as a backup battery. When the main battery of the electric vehicle is used normally, it uses the energy of the vibration or braking of the electric vehicle to charge (or charge it in advance). When the main battery of the electric vehicle is exhausted or malfunctions, the electric vehicle controller The power switching circuit controls the switching of the power supply of the motor, that is, disconnecting the power supply of the main battery of the electric vehicle to the motor, and at the same time starting the auxiliary battery to supply power to the motor. In addition, in order to adapt to motors of different specifications (working voltage), the auxiliary battery is also equipped with a voltage switching circuit that controls the output voltage of the auxiliary battery. A switching button is set on the auxiliary battery to switch the output voltage. Generally, the output voltage is set to 36V, 48V , 64V three specifications can meet most needs.
[0042] The electric vehicle is equipped with a main battery and an auxiliary battery. The main battery and the auxiliary battery are connected to the motor through a power cord. The electric vehicle also includes an electronic compass and an electric vehicle controller. The main battery, auxiliary battery and electronic compass and the electric vehicle controller Communication connection. During the riding process of the electric vehicle, the electronic compass measures the running status of the electric vehicle during the riding process and transmits the running status information of the electric vehicle to the electric vehicle controller. At the same time, the electric vehicle controller monitors the main battery And the operating status of the auxiliary battery. After processing the operating status of the electric vehicle and the operating status of the main battery and the auxiliary battery, the electric vehicle controller controls the power supply status of the main battery and the auxiliary battery to the motor and adjusts the operation of the motor.
[0043] When the electric vehicle goes uphill or starts, the electric vehicle controller controls the main battery and the auxiliary battery to supply power to the motor at the same time, and the motor also increases current and torque accordingly. When downhill, the electric vehicle controller controls the main battery or auxiliary battery to supply power to the motor. The motor current decreases, and the electric vehicle controller controls the motor to decelerate.
[0044] When the downhill angle is greater than 30 degrees, the electric vehicle controller controls the main battery and the auxiliary battery to simultaneously stop outputting current to the motor.
[0045] According to the steering angle of the electric vehicle, the electric vehicle controller controls the motor to decelerate, and the electric vehicle controller controls the main battery or the auxiliary battery to supply power to the motor according to the steering angle.
[0046] When the electric vehicle tilts left and right or shakes left and right, the electric vehicle controller controls the motor to decelerate, and the electric vehicle controller controls the main battery or the auxiliary battery to supply power to the motor according to the steering angle.
[0047] When the motor steering angle, left-right tilt, or left-right shaking is within the set value range, the electric vehicle controller controls the motor to decelerate and controls the main battery or auxiliary battery to supply power to the motor. When the motor's steering angle, left-right tilt or left-right shaking exceeds the set value In the value range, the electric vehicle controller controls the main battery and the auxiliary battery to stop outputting current to the motor at the same time.
[0048] In the normal driving state, the main battery supplies power to the motor. When the main battery is insufficient or exhausted, the electric vehicle controller controls the auxiliary battery to supply power to the motor, and the electric vehicle controller controls the motor current to decrease and decelerate.
