CN213235167U - Respiratory system - Google Patents
Respiratory system Download PDFInfo
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- CN213235167U CN213235167U CN202021602029.4U CN202021602029U CN213235167U CN 213235167 U CN213235167 U CN 213235167U CN 202021602029 U CN202021602029 U CN 202021602029U CN 213235167 U CN213235167 U CN 213235167U
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Abstract
The utility model relates to a diesel engine technical field, concretely relates to respiratory. The utility model discloses a respiratory includes: the gas-liquid separator comprises a crankcase, an air inlet pipeline, an air outlet pipeline and an exhaust pipeline; the air inlet pipeline is communicated with the crankcase, and a supercharger is arranged on the air inlet pipeline; the inlet of the air outlet pipeline is communicated with the crankcase, the outlet of the air outlet pipeline can be communicated with the air inlet pipeline, and the outlet of the air outlet pipeline is positioned at the front end of the supercharger; the exhaust pipeline can be communicated with the air outlet pipeline, a valve is arranged between the exhaust pipeline and the air outlet pipeline, and the valve is used for controlling the connection or disconnection of the exhaust pipeline and the air inlet pipeline. The utility model discloses an among the respiratory, when cold district's operation, through valve intercommunication air outlet pipeline and exhaust pipe, discharge gas through exhaust pipe, reduce the risk of freezing, when normal operation, through valve intercommunication air outlet pipeline and air inlet pipe, with gas discharge in the booster, can reduce the export of cold district air outlet pipeline by the risk of ice jam.
Description
Technical Field
The utility model relates to a diesel engine technical field, concretely relates to respiratory.
Background
At present, in a breathing system of an engine oil-gas separator closed cycle type, waste gas is directly communicated to the front of a supercharger through a gas outlet pipeline. When the turbocharger runs in a cold region, the problem that the pipe where the waste gas is introduced into the turbocharger is easy to freeze is solved, the outlet of the gas outlet pipeline is blocked, the pressure in a crankcase is increased, the faults of oil leakage of a sealing element and oil injection of an oil dip rod pipe are caused, the generated icicle can enter the turbocharger, the impeller of the turbocharger is damaged, and the efficiency of the turbocharger is reduced or the turbocharger cannot work normally.
In the existing breathing system, the pipe where the waste gas is introduced into the supercharger is easy to freeze, so that the fault occurrence rate is increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving present respiratory at least, waste gas lets in the pipe of booster department and easily produces and freezes, leads to the problem of fault occurrence rate increase. The purpose is realized by the following technical scheme:
a first aspect of the present invention provides a respiratory system, comprising: a crankcase is arranged on the engine body,
the air inlet pipeline is communicated with the crankcase, and a supercharger is arranged on the air inlet pipeline;
an inlet of the air outlet pipeline is communicated with the crankcase, an outlet of the air outlet pipeline can be communicated with the air inlet pipeline, and an outlet of the air outlet pipeline is positioned at the front end of the supercharger;
the exhaust pipeline, the exhaust pipeline with be provided with the valve between the gas outlet pipeline, the valve is used for control the exhaust pipeline with the intercommunication or the disconnection of gas outlet pipeline.
According to the utility model discloses an among the respiratory, the exhaust pipe with be provided with the valve between the gas outlet pipe way, when cold district moves, through valve intercommunication gas outlet pipe way and exhaust pipe, discharge gas through the exhaust pipe way, reduce the risk of freezing, when normal operating, through valve intercommunication gas outlet pipe way and air inlet pipe way, with gaseous discharge into the booster in, this respiratory can realize that two kinds of air currents move towards freely and switch over, can reduce the export of cold district gas outlet pipe way by the risk of ice jam, effectively reduce the fault incidence.
In addition, according to the respiratory system of the present invention, the following additional technical features can be provided:
the utility model discloses an in some embodiments, the valve is the three-way valve, the import of three-way valve with go out the gas pipeline intercommunication, the first export of three-way valve with exhaust pipe intercommunication, the second export of three-way valve with the air inlet pipeline intercommunication.
In some embodiments of the present invention, the breathing system further comprises an ambient temperature sensor and a controller, the valve is a solenoid valve;
the controller controls the electromagnetic valve to be opened according to the signal of the temperature sensor, and the air outlet pipeline and the exhaust pipeline are communicated or disconnected.
In some embodiments of the present invention, the ambient temperature sensor is disposed on the air outlet pipeline.
In some embodiments of the present invention, an oil-gas separator is disposed on the gas outlet pipeline, and the oil-gas separator is located between the outlet of the crankcase and the inlet of the gas outlet pipeline.
In some embodiments of the present invention, the oil outlet of the gas-oil separator communicates with the oil pan of the crankcase.
In some embodiments of the utility model, be provided with the intercooler on the intake manifold, the intercooler set up in the booster with between the crankcase.
In some embodiments of the present invention, the breathing system further comprises an air filter, and the air intake pipeline is communicated with the air filter.
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 view of a fuel system according to an embodiment of the invention.
The reference numerals in the drawings denote the following:
1: a crankcase; 2: a supercharger; 3: an air intake line; 4: an oil-gas separator; 5: a three-way valve; 6: an exhaust line; 7: an air outlet pipeline; 8: an ambient temperature sensor; 9: and an intercooler.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
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.
As shown in fig. 1, the breathing system in the present embodiment includes: the device comprises a crankcase 1, an air inlet pipeline 3, an air outlet pipeline 7 and an exhaust pipeline 6; the air inlet pipeline 3 is communicated with the crankcase 1, and the air inlet pipeline 3 is provided with a supercharger 2; an inlet of the air outlet pipeline 7 is communicated with the crankcase 1, an outlet of the air outlet pipeline 7 can be communicated with the air inlet pipeline 3, and an outlet of the air outlet pipeline 7 is positioned at the front end of the supercharger 2; a valve is arranged between the exhaust pipeline 6 and the air outlet pipeline 7 and is used for controlling the connection or disconnection of the exhaust pipeline 6 and the air inlet pipeline 3.
Specifically, a valve may be provided between the exhaust pipe 6 and the gas outlet pipe 7, opening the valve facilitates the discharge of gas from the exhaust pipe, and closing the valve allows gas to enter the gas inlet pipe from the gas outlet pipe.
Be provided with the valve between exhaust pipe 6 and the gas outlet pipe 7, when cold district moves, through valve intercommunication gas outlet pipe 7 and exhaust pipe 6, discharge gas through exhaust pipe 6, reduce the risk of freezing, when normal operating, through valve intercommunication gas outlet pipe 7 and air inlet pipe 3, discharge gas into booster 2 in, this respiratory can realize two kinds of air currents and move towards free switching.
The utility model discloses an in some embodiments, the valve is three-way valve 5, and three-way valve 5's import and 7 intercommunications of giving vent to anger pipeline, three-way valve 5's first export and exhaust pipe 6 intercommunication, three-way valve 5's second export and 3 intercommunications of air inlet pipe way.
Specifically, a first outlet opening the three-way valve 5 can communicate the outlet line 7 with the exhaust line 6, and a second outlet opening the three-way valve 5 can communicate the outlet line 7 with the inlet line 3.
In some embodiments of the present invention, the breathing system further comprises an ambient temperature sensor 8 and a controller, and the valve is an electromagnetic valve;
the controller controls the opening of the electromagnetic valve according to the signal of the temperature sensor, and the air outlet pipeline 7 and the air exhaust pipeline 6 are communicated or disconnected.
Specifically, the controller reads a signal of the ambient temperature sensor 8, controls the electromagnetic valve according to the temperature according to the emission regulation requirement that the temperature is lower than minus 7 ℃, for example, a first outlet of the electromagnetic three-way valve 5 is opened, and the gas outlet pipeline 7 is communicated with the gas exhaust pipeline 6 to exhaust gas, so that the freezing risk is reduced. And when the temperature is above minus 7 ℃, the second outlet of the electromagnetic three-way valve 5 is opened, the gas outlet pipeline 7 is disconnected with the gas exhaust pipeline 6, and the gas outlet pipeline 7 is communicated with the gas inlet pipeline 3 to ensure the regulatory compliance before the gas is introduced into the supercharger 2.
The ambient temperature sensor 8 and the controller can be used for setting a temperature control strategy, so that the cold region can be switched to be open, the discharge of the normal temperature region is prevented from exceeding the standard, and the problem of freezing of the cold region is solved.
In some embodiments of the present invention, the ambient temperature sensor 8 is disposed on the air outlet pipeline 7.
In order to measure the temperature of the environment, an environment temperature sensor 8 is disposed on the air outlet pipe 7 for measuring the temperature of the environment.
In some embodiments of the present invention, the gas outlet pipeline 7 is provided with an oil-gas separator 4, and the oil-gas separator 4 is located between the outlet of the crankcase 1 and the inlet of the gas outlet pipeline 7. In order to prevent the gas from being entrained with the oil, an oil separator 4 is provided to separate the oil and the gas.
In some embodiments of the present invention, the oil outlet of the gas-oil separator 4 communicates with the oil pan of the crankcase 1. An oil outlet of the oil-gas separator 4 is communicated with an oil pan of the crankcase 1, so that separated oil can be introduced into the oil pan.
The utility model discloses an in some embodiments, be provided with intercooler 9 on the air inlet pipeline 3, intercooler 9 sets up between booster 2 and crankcase 1. An intercooler 9 is provided between the supercharger 2 and the crankcase 1 to cool the gas.
In some embodiments of the present invention, the breathing system further comprises an air filter, and the air intake pipeline 3 is communicated with the air filter. The air inlet line 3 is ventilated with air, and the air inlet line 3 is communicated with an air filter in order to prevent impurities from entering the supercharger 2.
The utility model discloses a when fuel oil system uses, detect according to ambient temperature, the controller reads ambient temperature sensor 8's signal, according to the temperature value control solenoid valve of setting for, the temperature value is crossed lowly when being set for the temperature value, and electromagnetic three-way valve 5's first export is opened, and gas outgoing line 7 and exhaust pipe 6 intercommunication reduce the risk of freezing with gas outgoing. When the temperature value is higher than the set temperature value, the second outlet of the electromagnetic three-way valve 5 is opened, and the air outlet pipeline 7 is communicated with the air inlet pipeline 3 to ensure the legislation compliance before being introduced into the supercharger 2. And the system is automatically switched to an open type respiratory system in a cold region, so that the risk of icing at the pipe orifice is reduced.
To sum up, the utility model discloses an among the respiratory, be provided with the valve between exhaust pipe 6 and the gas outlet pipeline 7, when cold district moves, through valve intercommunication gas outlet pipeline 7 and exhaust pipe 6, pass through gas outlet pipeline 6 with gas and discharge, reduce the risk of freezing, when normal operating, through valve intercommunication gas outlet pipeline 7 and air inlet pipeline 3, with gas discharge in booster 2, this respiratory can realize that two kinds of air currents move towards free switching, can reduce cold district gas outlet pipeline 7's export by the risk of ice jam, effectively reduce the fault incidence.
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 (8)
1. A respiratory system, comprising:
a crankcase is arranged on the engine body,
the air inlet pipeline is communicated with the crankcase, and a supercharger is arranged on the air inlet pipeline;
an inlet of the air outlet pipeline is communicated with the crankcase, an outlet of the air outlet pipeline can be communicated with the air inlet pipeline, and an outlet of the air outlet pipeline is positioned at the front end of the supercharger;
the exhaust pipeline, the exhaust pipeline with be provided with the valve between the gas outlet pipeline, the valve is used for control the exhaust pipeline with the intercommunication or the disconnection of gas outlet pipeline.
2. The respiratory system of claim 1, wherein the valve is a three-way valve having an inlet in communication with the outlet conduit, a first outlet in communication with the exhaust conduit, and a second outlet in communication with the inlet conduit.
3. The respiratory system of claim 1, further comprising an ambient temperature sensor and a controller, the valve being a solenoid valve;
the controller controls the electromagnetic valve to be opened according to the signal of the temperature sensor, and the air outlet pipeline and the exhaust pipeline are communicated or disconnected.
4. The respiratory system of claim 3, wherein the ambient temperature sensor is disposed on the air outlet conduit.
5. The breathing system of claim 1 wherein an oil-gas separator is disposed on the gas outlet conduit between the outlet of the crankcase and the inlet of the gas outlet conduit.
6. The breathing system of claim 5 wherein an oil outlet of the gas-oil separator is in communication with an oil sump of the crankcase.
7. The breathing system of claim 1 wherein an intercooler is disposed on the intake conduit, the intercooler being disposed between the supercharger and the crankcase.
8. The respiratory system of claim 1, further comprising an air filter, the air intake conduit in communication with the air filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021602029.4U CN213235167U (en) | 2020-08-04 | 2020-08-04 | Respiratory system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021602029.4U CN213235167U (en) | 2020-08-04 | 2020-08-04 | Respiratory system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213235167U true CN213235167U (en) | 2021-05-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021602029.4U Active CN213235167U (en) | 2020-08-04 | 2020-08-04 | Respiratory system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213235167U (en) |
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2020
- 2020-08-04 CN CN202021602029.4U patent/CN213235167U/en active Active
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