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Fault detecting device for solenoid valve and oil sump for engine

A fault detection, solenoid valve technology, applied in the field of detection, can solve problems such as excessive oil replenishment, solenoid valve stuck, insufficient, etc., to save maintenance costs and avoid long-term loss of control.

Active Publication Date: 2018-11-23
WEICHAI POWER CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Because the solenoid valve often has mechanical failures such as sticking, if it is not found in time, it will lead to excessive or insufficient oil replenishment, which will cause engine failure

Method used

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  • Fault detecting device for solenoid valve and oil sump for engine
  • Fault detecting device for solenoid valve and oil sump for engine
  • Fault detecting device for solenoid valve and oil sump for engine

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Embodiment Construction

[0035] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, only some structures related to the present invention are shown in the drawings but not all structures.

[0036] An embodiment of the present invention provides a fault detection device for a solenoid valve. figure 1 It is a schematic structural diagram of a fault detection device for a solenoid valve provided by an embodiment of the present invention. figure 2 It is a schematic cross-sectional structure diagram of a solenoid valve in a closed state provided by an embodiment of the present invention. image 3 It is a schematic cross-sectional structure diagram of a solenoid valve in an open state provided by an embo...

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Abstract

The embodiment of the invention discloses a fault detecting device for a solenoid valve and an oil sump for an engine. The fault detecting device for the solenoid valve comprises a control module anda state monitoring module, wherein the first output end of the control module is electrically connected to the first end of the solenoid valve, and the control module is used for outputting a drivingsignal to the solenoid valve. The input end of the state monitoring module is electrically connected to the second end of the solenoid valve, and the output end of the state monitoring module is electrically connected to the input end of the control module. The state monitoring module is used for detecting the opening and closing states of the solenoid valve and outputting a detection signal to the control module according to the opening and closing states of the solenoid valve. The control module is further used for receiving the detection signal and determining a solenoid valve fault when itis determined that the relationship between the detection signal and the driving signal does not satisfy a preset relationship. The fault detecting device for the solenoid valve can detect the solenoid valve fault in time, avoids an engine failure caused by excessive topping up of oil or unable to replenish the oil, and thus the recondition expense is saved.

Description

technical field [0001] The invention relates to the technical field of detection, in particular to a fault detection device for a solenoid valve and an oil pan used for an engine. Background technique [0002] Solenoid valve (Electromagnetic valve) is an industrial equipment controlled by electromagnetic force. It is an automatic basic component used to control fluid and belongs to actuator. The solenoid valve is an electronically controlled valve switch. When the solenoid coil is energized, the solenoid coil generates electromagnetic force to lift the solenoid valve core from the valve seat, and the valve opens; when the solenoid coil is powered off, the electromagnetic force disappears, and the spring presses the solenoid valve core. On the seat, the valve is closed. [0003] The oil sump in the engine lubrication system is used to store lubricating oil. Usually, an opening is arranged on the oil pan to communicate with the oil outlet of the automatic oil replenishment v...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01M11/10F01M11/04F01M11/00
CPCF01M11/0004F01M11/04F01M11/10F01M2250/00
Inventor 刘名李建文王保栋刘建卫王洪忠
Owner WEICHAI POWER CO LTD
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