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CN-121993378-A - Integrated air compressor and use method

CN121993378ACN 121993378 ACN121993378 ACN 121993378ACN-121993378-A

Abstract

The invention relates to an integrated air compressor, which relates to the technical field of two-wheel vehicle air suspension systems, and comprises a shell and a base, wherein the bottom of the shell is connected with the base, a driving assembly is arranged in the shell, a pump chamber is arranged on the top surface of the shell, the upper end and the lower end of the pump chamber are communicated with the outside of the shell, a pump chamber end cover is arranged at one communicating position, two sides of the pump chamber are connected with a gain chamber, the other end of the gain chamber is communicated with the outside of the shell, a gain chamber end cover is arranged at the communicating position, an air inlet is arranged at the edge of the top surface of the shell, which is close to one side, of the top surface of the shell, is communicated with the pump chamber through an air channel, an exhaust port is arranged on one side of the pump chamber, which is far away from the air inlet, the air inlet is communicated with gain chambers at two ends through the air channel, a valve chamber is arranged between the exhaust port and the air channel, an electric control chamber is arranged in the base, and a PCB (printed circuit board) is arranged in the electric control chamber. The vehicle frame assembly process is simplified, the tightness, stability and gas gain efficiency of the system are improved, the volume and weight are reduced, the mounting space of the vehicle frame is saved, the production cost is reduced, and the response accuracy of control is improved.

Inventors

  • SHI YONGXIANG
  • Liu Beiwen

Assignees

  • 上海时驾科技有限公司

Dates

Publication Date
20260508
Application Date
20260120

Claims (10)

  1. 1. An integrated air compressor is characterized by comprising a shell (1) and a base (2), wherein the bottom of the shell (1) is connected with the base (2), and a driving assembly (3) is arranged in the shell (1); The top surface of the shell (1) is provided with a pump chamber (11), the upper end and the lower end of the pump chamber (11) are communicated with the outside of the shell (1), one communicating part is provided with a pump chamber end cover (111), two sides of the pump chamber (11) are connected with a gain chamber (13), the other end of the gain chamber (13) is communicated with the outside of the shell (1), the communicating part is provided with a gain chamber end cover (131), the edge of the top surface of the shell (1) close to one side is provided with an air inlet (16), the air inlet (16) is communicated with the pump chamber (11) through an air passage (14), the top surface of the shell (1) is provided with an air outlet (12), the air outlet (12) is arranged at one side, far away from the air inlet (16), of the pump chamber (11) is communicated with the gain chamber (13) at two ends through the air passage (14), and a valve chamber (121) is arranged between the air outlet (12) and the air passage (14); an electric control chamber (21) is arranged in the base (2), and a PCB board is arranged in the electric control chamber (21).
  2. 2. The integrated air compressor of claim 1, wherein the external extension of the electric control chamber (21) is provided with a power interface (22), the PCB board is in three layers, the top layer is a power driving circuit, the middle layer is a main control MCU, and the bottom layer is a power management module.
  3. 3. The integrated air compressor of claim 1, wherein heat radiating fins (15) are arranged on the outer side of the shell (1), and the heat radiating fins (15) are dense heat radiating fins.
  4. 4. An integrated air compressor according to claim 1, characterized in that the air inlet (16) is provided with a filter (161).
  5. 5. The integrated air compressor as claimed in claim 1, wherein the driving assembly (3) comprises a driving motor (31), the driving motor (31) is arranged at the communication position of the pump chamber (11) and the shell (1), an eccentric wheel (33) is arranged in the pump chamber (11), the axial end part of the eccentric wheel (33) is fixedly connected with the output shaft of the motor (31), the eccentric shaft of the eccentric wheel (33) is rotatably connected with a piston rod (34), one end of the piston rod (34) far away from the eccentric wheel (33) is penetrated in a piston cylinder (32), the piston cylinder (32) is arranged in the gain cavity (13), and one end of the piston rod (34) far away from the eccentric wheel (33) is provided with a one-way valve (35).
  6. 6. An integrated air compressor according to claim 5, characterized in that the end of the piston rod (34) remote from the eccentric (33) is provided with a sealing ring (342) circumferentially.
  7. 7. -Integrated air compressor according to claim 5, characterised in that the piston rods (34) are arranged symmetrically around the eccentric axis of the eccentric wheel (33), the symmetrical piston rods (34) being connected to each other by means of a clip (341).
  8. 8. The integrated air compressor as claimed in claim 5, wherein the output shaft sleeve of the drive motor (31) is provided with a motor bearing (311), the motor bearing (311) is provided in a motor bearing sleeve (312), and the motor bearing sleeve (312) is fixedly provided in the pump chamber (11).
  9. 9. -Integrated air compressor according to claim 5, characterised in that the eccentric shaft of the eccentric (33) is rotatably connected with the piston rod (34) via an eccentric bearing (331).
  10. 10. A method of use for an integrated air compressor as claimed in any one of claims 1 to 9, comprising the steps of: The main control MCU receives a lifting instruction, the driving motor (31) is started, air enters the gain cavity (13) after being compressed for optimized pressurization, and after passing through a valve in the valve chamber (121), high-pressure gas is conveyed to an air spring in the vehicle through the exhaust port (12) for inflation, and when the pressure reaches a target value, the motor (31) is stopped; The main control MCU controls the switching valve in the valve chamber (121) to be opened, so that high-pressure gas in the air spring passes through the switching valve to pass through the air passage (14) and is slowly discharged from the air passage (14), and the vehicle body descends; And in the pressure maintaining state, the switching valve is opened, the one-way valve (35) prevents gas from flowing back, the detection end of the pressure sensor in the air passage (14) is monitored in real time, and if the pressure is insufficient, the MCU control system starts the motor (31) to supplement the pressure as required.

Description

Integrated air compressor and use method Technical Field The invention relates to the technical field of two-wheel vehicle air suspension systems, in particular to an integrated air compressor and a use method thereof. Background The air suspension system replaces the traditional steel spring by the air spring, realizes the active control of the height and the rigidity of the suspension by adjusting the air pressure of the air bag, and greatly optimizes the riding comfort and the operability of the two-wheel vehicle. The working core is that the air compressor compresses air, the air is conveyed to the air spring through the electronic distribution valve, and the controller regulates and controls the system to operate according to various signals. The current two-wheel vehicle air suspension system adopts distributed layout, an air compressor, an electronic distribution valve and a controller are independent components, and a high-pressure air pipe and an air circuit/circuit wire harness are required to be externally connected, so that the following problems exist: the parts are more, the installation is complicated, the occupied space of the frame is large, and the assembly process is complex; The air pipe joints are more, and the air leakage is easy to loosen after long-term use, so that the reliability of the system is affected; the wiring harness is complex in wiring, easy to interfere and poor in contact in a vibration environment; The dispersion of each component causes the difference of the total length of the gas circuit and the circuit, and the control precision fluctuates; The independent shell, the bracket and the connecting piece increase the cost and the weight of the whole vehicle; the gas is directly conveyed after being compressed, the gain effect is poor, and the energy utilization efficiency is low. Disclosure of Invention In order to solve the problems, an integrated air compressor and a use method thereof are provided. The technical scheme of the invention is that the integrated air compressor comprises a shell and a base, wherein the bottom of the shell is connected with the base, and a driving assembly is arranged in the shell; The top surface of the shell is provided with a pump chamber, the upper end and the lower end of the pump chamber are communicated with the outside of the shell, one of the communicating positions is provided with a pump chamber end cover, the two sides of the pump chamber are connected with the gain cavity, the other end of the gain cavity is communicated with the outside of the shell, the communicating place is provided with a gain cavity end cover, an air inlet is arranged on the top surface of the shell near the edge of one side, the air inlet is communicated with the pump chamber through an air passage, the top surface of the shell is provided with an air outlet, the air inlet is communicated with the pump chamber through an air passage, the top surface of the shell is provided with an exhaust port; An electric control chamber is arranged in the base, and a PCB board is arranged in the electric control chamber. Preferably, the external extension part of the electric control room is provided with a power interface, the PCB is in three-layer layout, the top layer is a power driving circuit, the middle layer is a main control MCU, and the bottom layer is a power management module. Preferably, the outer side of the shell is provided with radiating fins, and the radiating fins are dense radiating fins. Preferably, the air inlet is provided with a filter. Preferably, the driving assembly comprises a driving motor, the driving motor is arranged at the communicating position of the pump chamber and the shell, an eccentric wheel is arranged in the pump chamber, the axial end part of the eccentric wheel is fixedly connected with an output shaft of the motor, the eccentric shaft of the eccentric wheel is rotatably connected with a piston rod, one end of the piston rod, which is far away from the eccentric wheel, is penetrated in a piston cylinder, the piston cylinder is arranged in a gain cavity, and one end of the piston rod, which is far away from the eccentric wheel, is provided with a one-way valve. Preferably, a sealing ring is circumferentially arranged at one end of the piston rod, which is far away from the eccentric wheel. Preferably, the piston rods are symmetrically arranged along the eccentric shaft of the eccentric wheel as a center, and the symmetrical piston rods are connected with each other through a clamp. Preferably, the output shaft sleeve of the driving motor is provided with a motor bearing, the motor bearing is arranged in a motor bearing sleeve, and the motor bearing sleeve is fixedly arranged in the pump chamber. Preferably, the eccentric shaft of the eccentric is rotatably connected with the piston rod through an eccentric bearing. The application method applied to the integrated air compressor comprises the following steps: the main control