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Control method of bidirectional air compressor

An air compressor and control method technology, applied in the direction of elastic suspension, suspension, circuit or fluid pipeline, etc., can solve the problems of different use environments, motor burnout, and waste of time at fault points, etc., and achieve simple system control , prolong the service life, facilitate the effect of guiding maintenance

Inactive Publication Date: 2019-08-09
清科智能悬架系统(苏州)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the air compressor in the air suspension system will be used in different ways and in different environments. The existing control method is improper, resulting in premature damage to the air compressor. The main damage methods include motor burnout and air compressor piston seal ring damage. , leading to a shortened service life of the air compressor, and the failure point of the air compressor cannot be directly reflected in the air suspension system, resulting in a waste of time for subsequent maintenance to find the fault point; in addition, when the pressure sensor or temperature sensor of the air suspension system is damaged The system does not work properly when

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  • Control method of bidirectional air compressor
  • Control method of bidirectional air compressor

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Embodiment Construction

[0037] The present invention will now be further described in detail in conjunction with the accompanying drawings and embodiments. These drawings are all simplified schematic diagrams, only illustrating the basic structure of the present invention in a schematic manner, so it only shows the composition related to the present invention.

[0038] figure 1 It is a structural schematic diagram of the air suspension system of the present invention. The structure has been described in detail in the previous patent (application number: 201811406114.0). For the convenience of explanation, the working principle is briefly introduced as follows:

[0039] Air spring 8 inflation:

[0040] The three-way solenoid valve 4 at the inlet end of the compressor is energized and the air spring solenoid valve 6 corresponding to the inflated air spring 8 is energized, and the gas is sent from the gas storage tank 7 to the compressor 1 through the drying tank 2 and then through the three-way outlet ...

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Abstract

The invention relates to a control method of a bidirectional air compressor. The control method comprises the following steps: (1) the maximum allowable working time is set; (2) whether a pressure sensor in an air suspension system is damaged or not is judged; (3) whether a temperature sensor of the compressor is damaged or not is judged; (4) the compressor is started firstly, then whether heightsof air springs are normally changed or not is judged, if the heights are not changed, failure warning is conducted, the step (5) is executed, if the height change is normal, whether the compressor exceeds the maximum allowable working time or not is judged, if yes, the compressor is stopped to be paused, when the pause time is reached, the compressor continues to be started, if the compressor does not exceed the maximum allowable working time, whether all the air springs reach designated heights or not is judged, if all the air springs reach the designated heights, the step (5) is executed, and if not, the step (4) is executed; and (5) the compressor is stopped, and a solenoid valve is closed. The control method can prolong the service life of the air compressor, refers to a fault-tolerant mechanism, and can diagnose failures.

Description

technical field [0001] The invention relates to a control method of an air compressor, in particular to a control method of a two-way air compressor used in an air suspension system. Background technique [0002] The control method of the existing air compressor and air suspension system is to pump the gas in the air into the gas storage tank. When the system needs gas, if the pressure of the gas storage tank meets the requirements, the gas storage tank will supply air to the system. If If the air in the air storage tank is insufficient, the air compressor will supply air to the system, and then supply air to the air storage tank to the set value. [0003] However, the air compressor in the air suspension system will be used in different ways and in different environments. The existing control method is improper, resulting in premature damage to the air compressor. The main damage methods include motor burnout and air compressor piston seal ring damage. , leading to a short...

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Application Information

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IPC IPC(8): B60G11/27B60Q9/00B60R16/023
CPCB60G11/27B60Q9/00B60R16/023
Inventor 朱泉国兰志强
Owner 清科智能悬架系统(苏州)有限公司