CN109578393B – Electric Automobile Rear Axle Energy Recuperation Device – Google Patents

Los 6 Mejores Remedios Caseros Para El Dolor De Estomago.. 1) during the driving process of an automobile, the frame and the rear axle main body can vibrate up and down to drive a piston rod in a hydraulic rod and a cylinder barrel to generate relative displacement, the distance between the frame and the rear axle main body is detected through a distance detection device, and the relative movement or the back-to-back movement between the frame and the rear axle main body is determined through a single chip microcomputer to control the opening and closing of a first relay and a second relay, so that the flowing path and the flowing direction of hydraulic oil are changed, and finally, the power generation is realized through a power generator. According to the invention, the distance between the frame 11 and the rear axle main body 12 at different time intervals is measured by the distance detection device 4 and is transmitted to the single chip microcomputer, the distance change value in the time intervals is calculated by the single chip microcomputer, when the distance change value is a negative value, the single chip microcomputer is used for controlling the first relay to be powered on and controlling the second relay to be powered off, when the distance change value is a positive value, the single chip microcomputer is used for controlling the first relay to be powered off and controlling the second relay to be powered on, so that the flowing path and direction of hydraulic oil in the whole device are accurately adjusted, the generator 51 can be used for generating electricity regardless of relative movement or back-to-back movement between the frame 11 and the rear axle main body 12, and the conversion efficiency.

Tecnicas De Relajacion

TECNICAS DE RELAJACION Y MEDITACION (con música.. 3) The distance between the frame 11 and the rear axle main body 12 is monitored in real time by the distance detection device 4 and is transmitted to the singlechip, when the distance is reduced (the piston rod moves downwards), the singlechip controls the first relay to be electrified and the second relay to be deenergized, so that the coil S1 of the first two-position four-way solenoid valve 21 is electrified and the coil S2 of the second two-position four-way solenoid valve 22 is deenergized, so that the hydraulic oil in the rodless cavity 132 flows back to the oil tank 6 through the first oil port, the first two-position four-way solenoid valve 21, the second oil pipe 32 and the generator 51, under the action of flowing hydraulic oil, the rotating blades in the generator 51 rotate to generate electricity, and the storage of electric energy is realized by the storage battery 52, and simultaneously, the volume in the rod cavity 131 is increased, under the action of atmospheric pressure, hydraulic oil in the oil tank 6 is sucked into the rod cavity 131 through the first check valve 23, the first oil pipe 31, the second two-position four-way solenoid valve 22 and the second oil port; on the contrary, when the distance is reduced (the piston rod moves upwards), the singlechip controls the second relay to be powered on and the first relay to be powered off, so that the coil S1 of the first two-position four-way solenoid valve 21 is powered off and the coil S2 of the second two-position four-way solenoid valve 22 is powered on, and further, the hydraulic oil in the rod cavity 131 flows back to the oil tank 6 through the second oil port, the second two-position four-way solenoid valve 22, the second oil pipe 32, the second check valve 24 and the generator 51, so as to drive the generator 51 to generate electricity and store electricity of the storage battery 52, and meanwhile, the volume in the rodless cavity 132 is increased, and under the action of atmospheric pressure, the hydraulic oil in the oil tank 6 is sucked into the rodless cavity 132 through the first check valve 23, the first oil pipe 31, the first.

  • Application of the invention embodiments normally intended for wind to water, and vice versa
  • Dejar un espacio libre en la maleta
  • ¿Su frecuencia cardíaca se siente lenta o rápida cuando experimenta las palpitaciones
  • Tomografía por emisión de positrones (TEP)

Referring to fig. 1, the invention discloses an energy recovery device for a rear axle of an electric vehicle, which comprises a rear axle suspension unit, a hydraulic valve group unit, a control monitoring unit and an energy recovery unit; the rear axle suspension unit comprises a rear axle main body 12 and a hydraulic rod 13, wherein the rear axle main body 12 and the hydraulic rod 13 are positioned below a frame 11 of the electric automobile, the hydraulic rod 13 comprises a cylinder barrel and a piston rod arranged in the cylinder barrel in a sliding mode, the piston rod is connected to the frame 11 of the electric automobile in a floating mode, the cylinder barrel is connected to the rear axle main body 12 in a floating mode, a rod cavity 131 and a rodless cavity 132 are formed in the cylinder barrel, a first oil port is formed in the rodless cavity 132 of the cylinder barrel, and a second oil port is; the hydraulic valve group unit comprises a first two-position four-way electromagnetic valve 21 and a second two-position four-way electromagnetic valve 22, an oil port B of the first two-position four-way electromagnetic valve 21 is communicated with a first oil port, an oil port A of the second two-position four-way electromagnetic valve 22 is communicated with a second oil port, an oil port P of the first two-position four-way electromagnetic valve 21 and an oil port P of the second two-position four-way electromagnetic valve 22 are communicated with the oil tank 6 through a first oil pipe 31, a first check valve 23 is arranged on the first oil pipe 31, one end, close to the oil tank 6, of the first check valve 23 is an oil inlet, an oil port T of the first two-position four-way electromagnetic valve 21 and an oil port T of the second two-position four-way electromagnetic valve 22 are communicated with the oil tank 6 through a second oil pipe 32; the control monitoring unit comprises a single chip microcomputer, a first relay, a second relay and a distance detection device 4 for measuring the distance between the rear axle main body 12 and the electric automobile frame 11, the single chip microcomputer is electrically connected with the first relay, the second relay and the distance detection device 4, the first relay is connected with a coil S1 of the first two-position four-way electromagnetic valve 21 in series, and the second relay is connected with a coil S2 of the second two-position four-way electromagnetic valve 22 in series; the energy recovery unit comprises a generator 51 and a storage battery 52, the generator 51 is arranged on the second oil pipe 32, the generator 51 is arranged between the second one-way valve 24 and the oil tank 6, the generator 51 comprises a rotating blade rotatably arranged in the second oil pipe 32, and the generator 51 is electrically connected with the storage battery 52. In this embodiment, (1) the vibration energy is converted into electric energy, and the storage battery 52 is used for storage, so that the recovery of the vibration energy is realized, and the endurance mileage of the electric vehicle is improved.

2) By converting the vibration energy into electric energy and storing the electric energy by using the storage battery, the recovery of the vibration energy is realized, and the endurance mileage of the electric automobile can be improved. 1. the energy recovery device has the advantages that the vibration energy of the rear axle main body in the driving process of the electric automobile is converted into electric energy, the recovery of the vibration energy is realized, and the energy recovery device has higher conversion efficiency. Fig. 1 is a schematic diagram of an energy recovery device for a rear axle of an electric vehicle.

The invention further provides a further improvement of the energy recovery device for the rear axle of the electric automobile, wherein a buffer spring is arranged in a rodless cavity of the cylinder barrel. Therefore, it is necessary to design an energy recovery device to recover vibration energy and extend the driving range of the electric vehicle. 3. Simple structure, the cost is lower, through getting up vibration energy conversion electric energy storage, has prolonged electric automobile’s continuation of the journey mileage.

Further, a filter is arranged at the oil inlet of the first check valve 23. In this embodiment, through setting up the filter, avoid the large granule impurity in the oil tank 6 to get into among hydraulic stem 13, first two-position four-way solenoid valve 21, second two-position four-way solenoid valve 22 and the generator 51 and cause the trouble, guarantee the normal work of system, increase of service life. Further, a buffer spring is provided in the rodless chamber 132 of the cylinder. Furthermore, a reinforcing plate is fixedly arranged on the rear axle main body 12, and the cylinder barrel is connected to the reinforcing plate in a floating manner. The invention further provides a further improvement of the energy recovery device of the rear axle of the electric automobile, wherein a reinforcing plate is fixedly arranged on the rear axle main body, and the cylinder barrel is connected to the reinforcing plate in a floating manner.

The invention further improves the energy recovery device of the rear axle of the electric automobile, wherein the hydraulic valve group unit further comprises a first hydraulic control one-way valve and a second hydraulic control one-way valve, an oil inlet of the first hydraulic control one-way valve is communicated with an oil inlet of the second one-way valve, an oil outlet of the first hydraulic control one-way valve is communicated with the first oil port, an oil inlet of the second hydraulic control one-way valve is communicated with an oil inlet of the second one-way valve, and an oil outlet of the second hydraulic control one-way valve is communicated with the second oil port.