CN214787611U - Oil-gas separator and engine with same - Google Patents

Oil-gas separator and engine with same Download PDF

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Publication number
CN214787611U
CN214787611U CN202022764654.5U CN202022764654U CN214787611U CN 214787611 U CN214787611 U CN 214787611U CN 202022764654 U CN202022764654 U CN 202022764654U CN 214787611 U CN214787611 U CN 214787611U
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oil
pressure
gas separator
pipe
gas
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CN202022764654.5U
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Chinese (zh)
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李松松
陆健
蔡海杰
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Weichai Power Co Ltd
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Weichai Power Co Ltd
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Abstract

The utility model belongs to the technical field of the engine, the utility model provides an oil and gas separator and have its engine, oil and gas separator includes that oil and gas separator body and outlet duct connect, and the one end of outlet pipe connects and the gas outlet intercommunication of oil and gas separator body, and the other end is connected with the booster, and the inside air flue that forms of outlet pipe connects, and the outlet pipe connects still includes the pressure cell, and the outside of pressure cell intercommunication air flue and outlet pipe connect, pressure cell are used for communicateing pressure sensor. The utility model provides an oil and gas separator passes through pressure-measuring pipe with pressure sensor and connects on oil and gas separator's the pipe connector of giving vent to anger, is about to the pressure measurement position by the pipeline in shift to oil and gas separator's the pipe connector of giving vent to anger, realizes the antedisplacement of pressure measurement point, gets rid of each factor influence, does not receive factors such as booster to measuring influence, pressure discrimination around can obviously increasing the disconnection, avoids wrong diagnosis or unable diagnostic problem.

Description

Oil-gas separator and engine with same
Technical Field
The utility model belongs to the technical field of the engine, concretely relates to oil and gas separator. The utility model discloses still relate to an engine.
Background
This section provides background information related to the present disclosure only and is not necessarily prior art.
According to the requirements of the national six-emission regulations, the crankcase ventilation system of the ignition engine needs to be monitored. Therefore, for the gas engine, when the connection between the oil separator and the intake pipe is disconnected, an OBD system (engine emission control on-board diagnosis system) should detect a failure. At present, a pressure sensor is commonly used for measuring pressure change before and after disconnection for diagnosis.
The connection between the oil-gas separator and the gas inlet pipe adopts a pressure measuring pipe joint connected in series in a pipeline to monitor the pressure, but the connection scheme is easily influenced by various factors, so that diagnosis or error diagnosis cannot be carried out.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the unsafe problem of crankcase ventilation system's pipeline break-make monitoring system diagnosis among the prior art at least, this purpose is realized through following technical scheme:
the utility model discloses a first aspect provides an oil and gas separator, oil and gas separator includes:
the oil-gas separator body is provided with a gas outlet;
the pressure measuring device comprises a pressure measuring hole, wherein the pressure measuring hole is communicated with the air passage and the outside of the air outlet pipe joint, and the pressure measuring hole is used for communicating a pressure sensor.
The utility model provides an oil and gas separator is integrated to oil and gas separator's air outlet pipe connector with the pressure measurement coupling on, be about to on the pressure measurement position shifts oil and gas separator's air outlet pipe connector in by the pipeline, realizes the antedisplacement of pressure measurement point, gets rid of each factor influence, does not receive factors such as booster to measuring influence, and the pressure differentiation degree around can obviously increasing the disconnection avoids wrong diagnosis or unable diagnostic problem.
In addition, according to the utility model discloses an oil and gas separator still can have following additional technical characterstic:
in some embodiments of the utility model, the oil and gas separator still includes the pressure measurement pipe joint, the one end of pressure measurement pipe joint is passed through the pressure measurement hole with the air flue intercommunication, the other end of pressure measurement pipe joint is used for connecting pressure sensor through the pressure measurement pipe.
In some embodiments of the present invention, the axial direction of the pressure measuring pipe joint is parallel to the axial direction of the gas outlet.
In some embodiments of the present invention, the outlet pipe joint comprises a first pipe section and a second pipe section connected to the first pipe section, the first pipe section and the second pipe section are arranged at an angle, the inlet hole is formed in the first pipe section, the outlet hole is formed in the second pipe section, the inside of the first pipe section is communicated with the inside of the second pipe section to form the air passage, and the pressure measuring hole is formed in the second pipe section.
In some embodiments of the present invention, the first pipe section, the second pipe section and the pressure measuring pipe joint are all provided with protrusions for interference connection.
In some embodiments of the present invention, an angle between an axis of the first pipe section and an axis of the second pipe section is a right angle.
In some embodiments of the present invention, the pressure tap joint has an axis perpendicular to an axis of the second pipe segment.
In some embodiments of the present invention, the pressure measuring pipe joint and the air outlet pipe joint are integrally formed.
A second aspect of the present invention provides an engine, comprising:
a supercharger;
a pressure sensor;
oil and gas separator, oil and gas separator does the utility model discloses the oil and gas separator that the first aspect provided, the coupling of giving vent to anger pass through the pipeline with the inlet end of booster is connected, the pressure measurement coupling with pressure sensor communicates.
The utility model discloses the engine that the second aspect provided have with the utility model discloses the same beneficial effect of oil and gas separator that the first aspect provided, no longer give unnecessary details here.
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 an oil-gas separator according to an embodiment of the present invention;
fig. 2 schematically shows a schematic top view of an oil separator according to an embodiment of the present invention;
fig. 3 schematically shows a cross-sectional schematic view of an oil separator according to an embodiment of the invention;
fig. 4 schematically shows an assembly schematic of an oil-gas separator and a supercharger according to an embodiment of the present invention;
the reference symbols in the drawings denote the following:
10: an oil-gas separator body;
20: outlet pipe joint, 21: air intake holes, 22: air outlet hole, 23: air passage, 24: pressure measuring hole, 25: pressure tube joint, 26: first pipe segment, 27: second pipe section, 28: an external thread;
30: supercharger, 31: an air outlet pipe of the oil-gas separator;
40: pressure sensor, 41: pressure measuring 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, 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 "second" and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, an 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", "inner", "side", "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.
As shown in fig. 1 to 4, the utility model discloses a first aspect provides an oil and gas separator, oil and gas separator includes oil and gas separator body 10, outlet duct joint 20 and pressure sensor 40, be equipped with the gas outlet on the oil and gas separator body 10, outlet duct joint 20, the first end of outlet duct joint 20 is equipped with inlet port 21, the second end of outlet duct joint 20 is equipped with venthole 22, inlet port 21 and venthole 22 are through locating the inside air flue 23 intercommunication of outlet duct joint 20, inlet port 21 and gas outlet intercommunication, venthole 22 is used for communicateing the inlet end of booster 30, outlet duct joint 20 still includes pressure cell 24, pressure cell 24 communicates the outside of air flue 23 and outlet duct joint 20, pressure cell 24 is used for communicateing pressure sensor 40 through pressure-measuring pipe 41.
The utility model provides an oil and gas separator integrates pressure-measuring pipe joint 25 to the outlet duct joint 20 of oil and gas separator, and pressure sensor 40 passes through pressure-measuring pipe 41 and pressure-measuring hole 24 on the pressure-measuring pipe joint 25 and communicates, is about to transfer the pressure measurement position to the outlet duct joint 20 of oil and gas separator by the pipeline, realizes that the pressure measurement point moves forward, when oil and gas separator outlet duct 31 normally connects, because booster 30 takes out the negative pressure effect, pressure 25 department of pressure-measuring pipe joint is the negative pressure; when the pipeline is disconnected at the end of the supercharger 30 or the end of the oil-gas separator 10, no negative pressure pumping effect of the supercharger 30 exists, and the pressure at the pressure measuring pipe joint 25 is positive pressure or atmospheric pressure. The pressure values before and after the pipeline is disconnected can be obviously distinguished, the calibration of the pressure threshold value is easy to realize, and the diagnosis function is realized. The method is not influenced by the supercharger 30, the operation condition and other factors on the measurement, the pressure discrimination before and after disconnection can be obviously increased, and the problem of error diagnosis or failure in diagnosis is avoided.
In some embodiments of the present invention, the oil-gas separator further includes a pressure measuring pipe joint 25, one end of the pressure measuring pipe joint 25 is communicated with the air passage 23 through a pressure measuring hole 24, and the other end of the pressure measuring pipe joint 25 is used for connecting the pressure sensor 40 through a pressure measuring pipe 41. By providing the pressure-measuring pipe joint 25, it is convenient to connect with the pressure sensor 40 through the pressure-measuring pipe 4.
The utility model discloses an in some embodiments, the axial direction of pressure-measuring pipe joint 25 is parallel with the axial direction of gas outlet, makes pressure-measuring pipe joint 25's orientation be difficult for receiving outlet pipe joint 20 and rotates the influence, and the commonality is strong.
In some embodiments of the present invention, the outlet pipe joint 20 includes a first pipe section 26 and a second pipe section 27 connected to the first pipe section 26, the first pipe section 26 and the second pipe section 27 are disposed at an angle, the air inlet 21 is disposed on the first pipe section 26, the air outlet 22 is disposed on the second pipe section 27, the inside of the first pipe section 26 communicates with the inside of the second pipe section 27 to form the air passage 23, the pressure measuring hole 24 is disposed on the second pipe section 27, and the angle of the outlet pipe joint 20 is conveniently adjusted according to the arrangement mode.
In some embodiments of the present invention, the first pipe section 26, the second pipe section 27 and the pressure measuring pipe joint 25 are all provided with protrusions 28 for interference connection, and the connection reliability is good through the protrusions 28 and the pipe connection.
In some embodiments of the present invention, the included angle between the axis of the first pipe section 26 and the axis of the second pipe section 27 is a right angle, which can effectively save the occupied space and facilitate the arrangement of pipelines.
The utility model discloses an in some embodiments, the axis of pressure-measuring pipe joint 25 is perpendicular with the axis of second pipeline section 27, and pressure-measuring pipe joint 25 perpendicular to outlet duct connects 20's design, does not receive the influence that outlet duct connects 20 orientation and arranges, and the commonality is strong.
The utility model discloses an in some embodiments, pressure-measuring pipe connects 25 and 20 integrated into one piece are connected to the outlet duct, and processing is convenient, and the good reliability does not have the leakage point.
The second aspect of the present invention provides an engine, comprising:
a supercharger 30;
a pressure sensor 40;
oil and gas separator, oil and gas separator do the utility model discloses the oil and gas separator that the first aspect provided, outlet duct joint 20 is connected with the inlet end of booster 30 through oil and gas separator outlet duct 31, and pressure-measuring pipe joint 25 communicates with pressure sensor 40 through pressure-measuring pipe 41.
The utility model discloses the engine that the second aspect provided have with the utility model discloses the same beneficial effect of oil and gas separator that the first aspect provided, no longer give unnecessary details here.
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 (9)

1. An oil and gas separator, characterized in that the oil and gas separator comprises:
the oil-gas separator body is provided with a gas outlet;
the pressure measuring device comprises a pressure measuring hole, wherein the pressure measuring hole is communicated with the air passage and the outside of the air outlet pipe joint, and the pressure measuring hole is used for communicating a pressure sensor.
2. An oil-gas separator as in claim 1, further comprising a pressure tap joint, one end of the pressure tap joint being communicated with the air passage through the pressure tap hole, and the other end of the pressure tap joint being adapted to be connected to a pressure sensor through a pressure measuring pipe.
3. An oil separator as in claim 2, wherein an axial direction of the pressure tap joint is parallel to an axial direction of the gas outlet.
4. An oil-gas separator as in claim 2 wherein the gas outlet joint comprises a first pipe segment and a second pipe segment connected to the first pipe segment, the first pipe segment and the second pipe segment are angularly disposed, the gas inlet is disposed on the first pipe segment, the gas outlet is disposed on the second pipe segment, the interior of the first pipe segment communicates with the interior of the second pipe segment to form the gas passage, and the pressure tap is disposed on the second pipe segment.
5. An oil separator as in claim 4 wherein the first tube segment, the second tube segment and the pressure tap joint are each provided with a protrusion for interference connection.
6. An oil and gas separator as in claim 4 or 5 wherein the angle between the axis of the first pipe segment and the axis of the second pipe segment is a right angle.
7. An oil separator as in claim 4 or 5 wherein the axis of the pressure tap is perpendicular to the axis of the second tube segment.
8. An oil separator as claimed in claim 4 or 5 wherein the pressure tap is integrally formed with the gas outlet tap.
9. An engine, characterized in that the engine comprises:
a supercharger;
a pressure sensor;
the oil-gas separator is according to any one of claims 2 to 8, an air outlet pipe joint of the oil-gas separator is connected with an air inlet end of the supercharger through a pipeline, and a pressure measuring pipe joint of the oil-gas separator is communicated with the pressure sensor.
CN202022764654.5U 2020-11-25 2020-11-25 Oil-gas separator and engine with same Active CN214787611U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022764654.5U CN214787611U (en) 2020-11-25 2020-11-25 Oil-gas separator and engine with same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022764654.5U CN214787611U (en) 2020-11-25 2020-11-25 Oil-gas separator and engine with same

Publications (1)

Publication Number Publication Date
CN214787611U true CN214787611U (en) 2021-11-19

Family

ID=78709737

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022764654.5U Active CN214787611U (en) 2020-11-25 2020-11-25 Oil-gas separator and engine with same

Country Status (1)

Country Link
CN (1) CN214787611U (en)

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