CN214366273U

CN214366273U - Oil leak detection subassembly and have its engine

Info

Publication number: CN214366273U
Application number: CN202022607213.4U
Authority: CN
Inventors: 孙晓娜; 王凝露; 魏涛; 郭雪飞
Original assignee: Weichai Power Co Ltd
Current assignee: Weichai Power Co Ltd
Priority date: 2020-11-11
Filing date: 2020-11-11
Publication date: 2021-10-08
Anticipated expiration: 2030-11-11

Abstract

The utility model belongs to the technical field of the engine respirator, concretely relates to oil leak detection subassembly and have its engine. The utility model provides an oil leak detection subassembly is applied to engine respirator, including test tube, sensor and alarm, the sensor is located the inside of the one end of test tube, the other end of test tube with the bottom of the end of giving vent to anger of the outlet duct of respirator is linked together, the alarm with the sensor electricity is connected. Through using the oil leak detection subassembly among this technical scheme, when the respirator separation of engine can not reach standard, machine oil can not be separated out completely, can flow along with the gas outlet pipe way, also can flow into the test tube of outlet duct bottom simultaneously, is located the signal that the inside sensor of test tube can discern the oil leak and gives the alarm that corresponds with signal transmission, the utility model discloses can detect the trouble fast and in time discover, improve the reliability of respirator.

Description

Oil leak detection subassembly and have its engine

Technical Field

The utility model belongs to the technical field of the engine respirator, concretely relates to oil leak detection subassembly and have its engine.

Background

In the respiratory of closed circulation, during gas in the oil gas can enter into the booster again through the gas outlet pipe way, along with the degradation of engine, the air leakage volume has the trend of increase, and when the separation efficiency of respirator can not satisfy the demand after the degradation, machine oil can not be separated completely, and can flow to empty the straining along with the gas outlet pipe way, even the booster, influences the normal operating of engine.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the oil leakage of the respirator outlet pipe cannot be found in time at least. The purpose is realized by the following technical scheme:

the utility model discloses a first aspect provides an oil leak detection subassembly is applied to the engine respirator, including detecting tube, sensor and alarm, the sensor is located the inside of the one end of detecting tube, the other end of detecting tube with the bottom of the end of giving vent to anger of the outlet duct of respirator is linked together, the alarm with the sensor electricity is connected.

Through using the oil leak detection subassembly among this technical scheme, when the respirator separation of engine can not reach standard, machine oil can not be separated out completely, can flow along with the gas outlet pipe way, also can flow into the test tube of outlet duct bottom simultaneously, is located the signal that the inside sensor of test tube can discern the oil leak and gives the alarm that corresponds with signal transmission, the utility model discloses can detect the trouble fast and in time discover, improve the reliability of respirator.

Additionally, according to the utility model discloses an oil leak detection subassembly still can have following additional technical characterstic:

in some embodiments of the present invention, the sensor is a capacitive sensor, the capacitive sensor includes upper and lower electrodes, an insulating film disposed on top of the upper and lower electrodes, and a substrate disposed on bottom of the upper and lower electrodes.

The utility model discloses an in some embodiments, the test tube communicate in the section of bending of outlet duct, just the central line of test tube with the central line of the end of giving vent to anger of the section of bending sets up perpendicularly.

In some embodiments of the present invention, the center line of the detecting tube is inclined upward at an angle to the horizontal line.

In some embodiments of the present invention, the detecting tube is a tapered tube and the end face diameter of one end of the detecting tube is smaller than the end face diameter of the other end.

In some embodiments of the present invention, the sensor is electrically connected to an engine control unit, and the engine control unit can determine the oil content in the detection tube according to the electrical signal detected by the sensor.

The utility model also provides an engine, this engine includes the oil leak detection subassembly among the above-mentioned embodiment.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like parts are designated by like reference numerals throughout the drawings. In the drawings:

fig. 1 schematically shows a schematic structural view of a matching structure of an oil leakage detection assembly and an air outlet pipe according to an embodiment of the present invention;

fig. 2 schematically shows a schematic structural diagram of one end of an oil leak detection assembly according to an embodiment of the present invention.

10: oil leak detection assembly, 11: detection tube, 12: a sensor;

20: and an air outlet pipe.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" may be intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order described or illustrated, unless specifically identified as an order of performance. It should also be understood that additional or alternative steps may be used.

Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.

For convenience of description, spatially relative terms, such as "inner", "outer", "lower", "below", "upper", "above", and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "below … …" can include both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Fig. 1 schematically shows an oil leak detection assembly and an air outlet pipe matched with structural schematic diagram according to the embodiment of the present invention. Fig. 2 schematically shows a schematic structural diagram of one end of an oil leak detection assembly according to an embodiment of the present invention. As shown in fig. 1 and 2, the utility model provides an oil leak detection subassembly and have its engine. The utility model provides an oil leak detection subassembly 10 is applied to engine respirator, including detecting tube 11, sensor 12 and alarm, sensor 12 is located the inside of detecting tube 11's one end, detecting tube 11's the other end with the bottom of the end of giving vent to anger of the outlet duct 20 of respirator is linked together, the alarm with the sensor 12 electricity is connected.

Through using the oil leak detection subassembly among this technical scheme, when the respirator separation of engine can not reach standard, machine oil can not be separated out completely, can flow along with 20 ways of outlet duct, also can flow into to the detecting tube 11 of 20 bottoms of outlet duct simultaneously, is located the signal that 11 inside sensors 12 of detecting tube can discern the oil leak and gives the alarm that corresponds with signal transmission, the utility model discloses can the short-term test trouble and in time discover, improve the reliability of respirator.

In some embodiments of the present invention, the sensor 12 is a capacitive sensor, which includes upper and lower electrodes, an insulating film disposed on the top of the upper and lower electrodes, and a substrate disposed on the bottom of the upper and lower electrodes. The capacitance sensor in the present embodiment is provided at the tip end inside the detection tube 11. When the film is under pressure, the film will deform, so that the distance between the upper and lower electrodes will change, thereby changing the capacitance of the capacitor. Under the condition of 20 oil leakages of outlet duct, fluid can enter into in the detecting tube 11 and contact with capacitive sensor, and capacitive sensor just can detect corresponding signal this moment to in time transmit alarm device for, avoid fluid along with 20 way flows to empty straining of outlet duct, even the booster, influence the normal operating of engine.

The utility model discloses an among some embodiments, when the oil entered the test tube 11 and contacted with sensor 12, the conductivity between two electrodes can change, can be signal conversion for signal output through the change of measuring the conductivity, and the machine oil content of measurand can be judged to rethread detection electric signal size to judge respiratory's separation efficiency, when the change between the conductivity reachs the limit value, just can trigger the alarm and report to the police.

The utility model discloses an among some embodiments, detecting tube 11 communicates in the section of bending of outlet duct 20, and the central line of detecting tube 11 sets up perpendicularly with the central line of the end of giving vent to anger of the section of bending. When the outlet pipe 20 is of a bent structure, as shown in fig. 1, the detection pipe 11 can avoid partial interference of the outlet pipe 20, so that oil can be accurately and efficiently detected.

In some embodiments of the present invention, the center line of the detecting tube 11 is inclined upward at an angle to the horizontal line. Set up like this and can avoid a small amount of comdenstion water in the pipeline to flow into the outlet port of outlet duct 20, and then flow into and contact with sensor 12 in detecting tube 11, influence capacitance sensor 12's judgement, promoted certain reliability.

In some embodiments of the present invention, the detecting tube 11 is a tapered tube and the end diameter of one end of the detecting tube 11 is smaller than the end diameter of the other end. Because the conical tube is also the bevel angle setting, can avoid like this that a small amount of comdenstion water in the pipeline flows into the port of giving vent to anger of outlet duct 20, and then flows into to detect the judgement that pipe 11 influences capacitive sensor 12, has further promoted certain reliability.

In some embodiments of the present invention, the sensor 12 is electrically connected to the engine control unit, and the engine control unit can determine the oil content in the detection tube 11 according to the electrical signal detected by the sensor 12.

The utility model discloses an among some embodiments, oil leak detection subassembly 10 need install at the nearer position of distance respirator to prevent oil gas condensate into water on the baffle, and then the erroneous judgement is machine oil.

The utility model also provides an engine, oil leak detection assembly including above.

Through using the engine among this technical scheme, when the respirator separation of engine can not reach standard, machine oil can not be separated out completely, can also flow into the detection tube of outlet duct bottom along with the gas outlet pipe way flows, lies in the signal that the inside sensor of detection tube can discern the oil leak and gives the alarm that corresponds with signal transmission, the utility model discloses can detect the trouble fast and in time discover, improve the reliability of respirator.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The oil leakage detection assembly is applied to an engine respirator and is characterized by comprising a detection pipe, a sensor and an alarm, wherein the sensor is located inside one end of the detection pipe, the other end of the detection pipe is communicated with the bottom of an air outlet end of an air outlet pipe of the respirator, and the alarm is electrically connected with the sensor.

2. The oil leak detection assembly according to claim 1, wherein the sensor is a capacitive sensor including upper and lower electrodes, an insulating film disposed on top of the upper and lower electrodes, and a substrate disposed on bottom of the upper and lower electrodes.

3. The oil leakage detection assembly according to claim 1, wherein the detection tube is communicated with the bent section of the outlet tube, and a center line of the detection tube is perpendicular to a center line of an outlet end of the bent section.

4. The oil leak detection assembly according to claim 1, wherein a centerline of the detection tube is inclined upward at an angle to the horizontal.

5. The oil leak detection assembly of claim 1, wherein the detection tube is a tapered tube and the diameter of the end face of one end of the detection tube is smaller than the diameter of the end face of the other end.

6. An oil leakage detection assembly according to claim 1, characterized in that the sensor is electrically connected to an engine control unit, which is capable of determining the oil content in the detection tube from the electrical signals detected by the sensor.

7. An engine, characterized by having an oil leakage detection assembly according to any one of claims 1-6.