CN108729978A - A kind of crankcase ventilation tube assembly and its monitoring device - Google Patents
A kind of crankcase ventilation tube assembly and its monitoring device Download PDFInfo
- Publication number
- CN108729978A CN108729978A CN201710277225.5A CN201710277225A CN108729978A CN 108729978 A CN108729978 A CN 108729978A CN 201710277225 A CN201710277225 A CN 201710277225A CN 108729978 A CN108729978 A CN 108729978A
- Authority
- CN
- China
- Prior art keywords
- crankcase ventilation
- tube assembly
- ventilation tube
- controller
- switch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M13/00—Crankcase ventilating or breathing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M13/00—Crankcase ventilating or breathing
- F01M2013/0038—Layout of crankcase breathing systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M2250/00—Measuring
Abstract
The invention discloses a kind of crankcase ventilation tube assembly and its monitoring device, the crankcase ventilation tube assembly is installed in motor vehicle, and controller is equipped in the motor vehicle, and the crankcase ventilation tube assembly includes：Air pipeline and electric signal transmission device；The electric signal transmission device is used for electric signal transmission to the controller, the electric signal transmission device includes the conducting element being arranged side by side with vent body, the conducting element is connect with the both ends of the air pipeline, when the air pipeline is fully disconnected, the electric signal transmission device interrupts the transmission to the electric signal of the controller, and then the controller detects that the crankcase ventilation tube assembly disconnects.The crankcase ventilation tube assembly of the present invention can meet the detection requirement to crankcase ventilation, and be suitable for different types of engine.
Description
Technical field
The present invention relates to crankcase ventilation fields, more particularly to a kind of crankcase ventilation tube assembly and its monitoring device.
Background technology
Six emission regulation of state (the 2016 light-duty vehicle pollutant emission limits of GB18352.6-that the end of the year 2016 were formally issued
And measurement method (Chinese 6th stage)) in, onboard diagnostics (OBD) system has increased newly to engine crankshaft ventilation system (PCV
System) detection requirement：If vehicle has used crankcase ventilation system, manufacturing enterprise that should be carried out to crankcase ventilation system
Monitoring, it is ensured that system integrity.Existing crankcase ventilation pipeline is mainly used for the inside and outside pressure of balancing engine crankcase system
Power, but it is unsatisfactory for the requirement in six emission regulation OBD system of state to crankcase ventilation system Integrity Verification.
Major part manufacturing enterprise is supervised by the way of increasing pressure sensor in crankcase ventilation pipeline at present
It surveys.When crankcase ventilation pipeline does not disconnect, pressure signal can be fluctuated because of the opening and closing of crankcase vent valve,
And pipeline is when disconnect, pressure signal then shows to be stablized relatively.This mode mainly has two aspect defects：On the one hand,
Which is highly susceptible to engine displacement, the arrangement of crankcase ventilation pipeline, crankcase ventilation valve opening pressure and pressure
The influence of force snesor installation site makes crankcase ventilation system monitoring wrong report failure occur, increase the repair of manufacturing enterprise at
This, or failure is failed to report, it is unsatisfactory for the requirement of six regulation of state.On the other hand, manufacturing enterprise needs different types of to each
Crankcase ventilation system arrangement individually develops OBD diagnostic functions, considerably increases the development cost of enterprise.
Invention content
The invention mainly solves the technical problem of providing a kind of crankcase ventilation tube assembly and its monitoring devices, make bent axle
Case ventilating pipe component can meet the detection requirement to crankcase ventilation, and can be suitably used for different types of engine.
In order to solve the above technical problems, one aspect of the present invention is to provide a kind of crankcase bleed pipe group
Part, the crankcase ventilation tube assembly are installed in motor vehicle, controller are equipped in the motor vehicle, wherein the crankcase
Ventilating pipe component includes：Air pipeline, the air pipeline include vent body, the first pipeline component and the second duct portion
Part, first pipeline component are equipped with the first plug, and first plug is inserted into the first end of the vent body, and described the
Two pipeline components are equipped with the second plug, and second plug is inserted into the second end of the vent body；Electric signal transmission device,
The electric signal transmission device includes the first connecting pin being arranged on the first pipeline component；It is arranged on the second pipeline component
Second connection end；The conducting element being arranged side by side between the first connecting pin and second connection end and with vent body, institute
It states controller and forms power circuit with first connecting pin, conducting element and second connection end；When first plug or
When two plugs are fallen off, or when the vent body is fully disconnected, the electric signal transmission device and the control
Device forms open circuit.
In order to solve the above technical problems, another technical solution used in the present invention is to provide a kind of above-mentioned any one
The monitoring device of crankcase ventilation tube assembly, including：Controller, the controller and first connecting pin, conducting element and
Second connection end forms power circuit.
The beneficial effects of the invention are as follows：The case where being different from the prior art, by crankcase bleed pipe road increase with
The electric signal transmission device of controller connection, allows the controller to whether monitor crankcase ventilation pipeline by the break-make of electric signal
It is fully disconnected, meets the detection requirement to crankcase ventilation.Further, the present invention is without changing the structure of engine
It is dynamic, therefore different types of engine can be suitable for.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of crankcase ventilation tube assembly first embodiment of the present invention；
Fig. 2 is a kind of structural schematic diagram of crankcase ventilation tube assembly second embodiment of the present invention；
Fig. 3 is a kind of structural schematic diagram of crankcase ventilation tube assembly third embodiment of the present invention；
Fig. 4 is a kind of structural schematic diagram of the 4th embodiment of crankcase ventilation tube assembly of the present invention；
Fig. 5 is a kind of structural schematic diagram of one embodiment of monitoring device of crankcase ventilation tube assembly of the present invention.
Specific implementation mode
The present invention is described in detail with embodiment below in conjunction with the accompanying drawings.
Referring to Fig. 1, Fig. 1 is a kind of structural schematic diagram of crankcase ventilation tube assembly first embodiment of the present invention, this
Crankcase ventilation tube assembly 11 in embodiment is installed in motor vehicle, and controller 20 is equipped in motor vehicle, wherein crankcase is logical
Wind pipe component 11 includes：Air pipeline 12 and electric signal transmission device 14；Air pipeline 12 further comprises vent body
120, the first pipeline component 121 and the second pipeline component 122, the first pipeline component 121 are equipped with the first plug 1210, the first plug
1210 are inserted into the first end of vent body 120, and the second pipeline component 122 is equipped with the second plug 1220, and the second plug 1220 is inserted
Enter the second end of vent body 120.Electric signal transmission device 14 includes the first connection being arranged on the first pipeline component 121
End 141；Second connection end 143 on the second pipeline component 122 is set；Positioned at the first connecting pin 141 and second connection end 143
Between and the conducting element 140 that is arranged side by side with vent body, controller 20 successively with second connection end 143, conducting element
140 and first connecting pin 141 form electrical connection, and ultimately form circuit.When the first plug 1210 is fallen off, the first connection
End 141 disconnects；When the second plug 1220 is fallen off, second connection end 143 disconnects；When vent body 120 is fully disconnected
When, conducting element 140 disconnects.In the case of any of the above one kind, electric signal transmission device 14 can form open circuit with controller 20,
And then controller 20 judges that crankcase ventilation tube assembly 11 breaks down.
Wherein, the first pipeline component 121 and the second pipeline component 122 can be the Oil-gas Separations in motor car engine
Device, inlet manifold, crankcase ventilation valve, check valve, tee pipe coupling or air cleaner etc..
Wherein, controller 20 can be the vehicle mounted electrics such as vehicle-mounted computer, navigation equipment, stereo set or TV entertainment equipment
Sub- equipment can also be the equipment that other have monitoring function.
It is understood that conducting element 140 can be set to 120 surface of vent body, ventilation can also be embedded in
In tube body 120；Conducting element 140 can be conductor wire, conductive mesh, conductive rubber or other conductive materials.
It is understood that the first connecting pin 141 and second connection end 143 can be conductor node, solder joint or switch
The structures such as component.
Referring to Fig. 2, Fig. 2 is a kind of structural schematic diagram of crankcase ventilation tube assembly second embodiment of the present invention.This
In embodiment, conducting element includes monometallic conducting wire 1401, monometallic conducting wire 1401 be arranged in it is single on air pipeline 12
Conductor wire.As a kind of embodiment, the first connecting pin and second connection end can be the knots such as conductor node, solder joint or switch
Structure.It is understood that monometallic conducting wire 1401 can be set to 120 surface of vent body, ventilation duct can also be embedded in
In ontology 120.
In the present embodiment, the first connecting pin of monometallic conducting wire 1401 is arranged on the first pipeline component 121, and further
Be connected with engine ground wire 30, and second connection end be arranged on the second pipeline component 122, and further with 20 phase of controller
Even.Controller 20 passes sequentially through second connection end, monometallic conducting wire 1401 and the first connecting pin and forms ground connection.When the first plug
1210 when falling off, and the first connecting pin disconnects；When the second plug 1220 is fallen off, second connection end disconnects；Work as ventilation
When tube body 120 is fully disconnected, conducting element disconnects.In the case of any of the above one kind, electric signal transmission device and controller 20
Open circuit can be formed, and then controller 20 judges crankcase bleed pipe component failure.
Referring to Fig. 3, Fig. 3 is a kind of structural schematic diagram of crankcase ventilation tube assembly third embodiment of the present invention.The
The structure of three embodiments and first embodiment is essentially identical, the difference is that, conducting element includes double in the present embodiment
Plain conductor, bimetallic conductor are further to be arranged in parallel in 120 surface of vent body or be embedded in vent body 120
In the first conducting wire 1402 and the second conducting wire 1403.Optionally, the first connecting pin and second connection end are provided with switch module
142, switch module 142 includes third switch 1423 and the 4th switch 1429, and third switch 1423 is set to the first pipeline component
On 121, the 4th switch 1429 is set on the second pipeline component 122.The both ends of first conducting wire 1402 and the second conducting wire 1403 point
It does not connect with third switch 1423 and the 4th switch 1429, and is further connected with controller 20 by the 4th switch 1429.
Optionally, switch module 142 can be conductive metal sheet, magnetic switch, socket switch, travel switch or close switch etc.
Deng, wherein close switch can be inductance approach switch or Hall switch etc..Controller 20 passes sequentially through the 4th switch
1429, the first conducting wire 1402, third switch 1423, the second conducting wire 1403 and the 4th switch 1429 forming circuit.
When the first plug 1210 is fallen off, third switch 1423 disconnects；When the second plug 1220 is fallen off, the
Four switches 1429 disconnect；When vent body 120 is fully disconnected, conducting element 1404 disconnects.In the case of any of the above one kind,
Electric signal transmission device can form open circuit with controller 20, and then controller 20 judges that event occurs for crankcase ventilation tube assembly
Barrier.
It is understood that the first connecting pin and second connection end may be the structures such as conductor node, solder joint.
Referring to Fig. 4, Fig. 4 is a kind of structural schematic diagram of the 4th embodiment of crankcase ventilation tube assembly of the present invention.This
In embodiment, conducting element includes bimetallic conductor, and bimetallic conductor is further be arranged in 120 surface of vent body the
Three wires 1405 and the privates 1406 being embedded in vent body 120；The both ends of privates 1405 are respectively with first
Connecting pin 141 and second connection end 143 connect, and are further connected with engine ground wire 30 by second connection end 143；The
The both ends of four conducting wires 1406 are connect with the first connecting pin 141 and second connection end 143 respectively, and pass through second connection end 143
Further it is connected with controller 20.
As a kind of embodiment, the first connecting pin 141 and second connection end 143 can be conductor node, solder joint or
The structures such as person's switch module.
In the present embodiment, the both ends of privates 1405 are connect with the first connecting pin 141 and second connection end 143 respectively,
And further it is connected with engine ground wire 30 by second connection end 143；The both ends of privates 1406 connect with first respectively
It connects end 141 and second connection end 143 connects, and be further connected with controller 20 by second connection end 143.Controller
20 pass sequentially through second connection end 143, privates 1406, the first connecting pin 141, privates 1405 and second connection end
143 form ground connection.
In the above-described embodiments, when the first plug 1210 is fallen off, the first connecting pin disconnects；When the second plug 1220
When falling off, second connection end disconnects；When vent body 120 is fully disconnected, conducting element disconnects.Any of the above is a kind of
In the case of, electric signal transmission device can form open circuit with controller 20, and then controller 20 judges crankcase bleed pipe group
Part breaks down.
Show referring to Fig. 5, Fig. 5 is a kind of structure of one embodiment of monitoring device of crankcase ventilation tube assembly of the present invention
It is intended to.Monitoring device 80 includes controller 800, and crankcase ventilation tube assembly 82 is any one of the above crankcase bleed pipe group
Part.Controller 800 is electrically connected with crankcase ventilation tube assembly 82 by the formation of electric signal transmission device 820.Work as crankcase ventilation
When pipeline is fully disconnected, electric signal transmission device 820 interrupts the transmission to the electric signal of controller 800, and then controller 20 is sentenced
Break and crankcase bleed pipe component failure.
It is understood that above-mentioned crankcase ventilation tube assembly can be mounted on the engine of motor vehicle, pass through motor vehicle
On controller monitored in real time so as to the integrality of the crankcase ventilation system to engine.
Crankcase ventilation tube assembly in the present invention and its monitoring device, by controller to the electricity of electric signal transmission device
The monitoring of signal, it can be determined that whether crankcase ventilation tube assembly is fully disconnected, and meets the detection requirement to crankcase ventilation,
And it is suitable for different engines, installation is also very easy；In addition, will not be by engine displacement or crankcase ventilation pipeline
Arrangement influence, will not make crankcase ventilation system monitoring occur failing to report failure.
Mode the above is only the implementation of the present invention is not intended to limit the scope of the invention, every to utilize this
Equivalent structure or equivalent flow shift made by description of the invention and accompanying drawing content, it is relevant to be applied directly or indirectly in other
Technical field is included within the scope of the present invention.
Claims (10)
1. a kind of crankcase ventilation tube assembly, the crankcase ventilation tube assembly is installed in motor vehicle, is set in the motor vehicle
There is controller, which is characterized in that the crankcase ventilation tube assembly includes：
Air pipeline, the air pipeline include vent body, the first pipeline component and the second pipeline component, first pipe
Circuit unit is equipped with the first plug, and first plug is inserted into the first end of the vent body, and second pipeline component is set
There are the second plug, second plug to be inserted into the second end of the vent body；
Electric signal transmission device, the electric signal transmission device include the first connecting pin being arranged on the first pipeline component；If
Set the second connection end on the second pipeline component；Between the first connecting pin and second connection end and with vent body simultaneously
The conducting element that arrangement is set, the controller form power circuit with first connecting pin, conducting element and second connection end；
When first plug or the second plug are fallen off, or when the vent body disconnects, the electric signal
Transmitting device forms open circuit with the controller.
2. crankcase ventilation tube assembly according to claim 1, which is characterized in that the conducting element is set to ventilation duct
Body surface is embedded in vent body.
3. crankcase ventilation tube assembly according to claim 1, which is characterized in that the second connection end further with machine
Ground wire connection in motor-car, the controller are powered back by the formation of first connecting pin, conducting element and second connection end
Road.
4. crankcase ventilation tube assembly according to claim 1, which is characterized in that the controller connects by described first
It connects end, conducting element and second connection end and forms power circuit.
5. crankcase ventilation tube assembly according to claim 1, which is characterized in that first connecting pin and the second connection
End is equipped with conductor node, solder joint or switch module.
6. crankcase ventilation tube assembly according to claim 3 or 4, which is characterized in that the conducting element is single leads
Line or metal mesh or conductive rubber.
7. crankcase ventilation tube assembly according to claim 3 or 4, which is characterized in that the conducting element, which is two, leads
Electric wire.
8. crankcase ventilation tube assembly according to claim 5, which is characterized in that the switch module be magnetic switch,
Socket switch, travel switch or close switch.
9. crankcase ventilation tube assembly according to claim 8, which is characterized in that described close for inductance type close to switch
Switch or Hall switch.
10. a kind of monitoring device of claim 1 to 9 any one of them crankcase ventilation tube assembly, including：Controller, institute
It states controller and forms power circuit with the electric signal transmission device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710277225.5A CN108729978A (en) | 2017-04-25 | 2017-04-25 | A kind of crankcase ventilation tube assembly and its monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710277225.5A CN108729978A (en) | 2017-04-25 | 2017-04-25 | A kind of crankcase ventilation tube assembly and its monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108729978A true CN108729978A (en) | 2018-11-02 |
Family
ID=63934745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710277225.5A Pending CN108729978A (en) | 2017-04-25 | 2017-04-25 | A kind of crankcase ventilation tube assembly and its monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108729978A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110118113A (en) * | 2019-05-29 | 2019-08-13 | 帕萨思汽车零部件（苏州）有限公司 | Crankcase ventilation tube assembly and its installation method |
| US11015750B2 (en) | 2017-09-07 | 2021-05-25 | Tianjin Datro Technology Co., Ltd. | Pipeline detection device and method |
| CN114251157A (en) * | 2021-12-24 | 2022-03-29 | 潍柴动力股份有限公司 | Oil-gas separator pipeline, method and device for diagnosing fault of oil-gas separator |
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| US20030178015A1 (en) * | 1999-11-09 | 2003-09-25 | Sumitomo Wiring Systems, Ltd. | Disengagement detecting system for joint portion |
| CN2823564Y (en) * | 2005-08-09 | 2006-10-04 | 比亚迪股份有限公司 | Forced ventilator for crankcase of automobile engine |
| CN201763415U (en) * | 2009-07-24 | 2011-03-16 | 福特环球技术公司 | System for monitoring connection of valve/separator and air inlet system of crankcase ventilation system |
| CN103670708A (en) * | 2012-09-14 | 2014-03-26 | 福特环球技术公司 | Crankcase integrity breach detection |
| CN106555673A (en) * | 2015-09-25 | 2017-04-05 | 通用汽车环球科技运作有限责任公司 | System and method for detecting the damage in positive crankcase ventilation (PCV) pipe |
| CN206942840U (en) * | 2017-04-25 | 2018-01-30 | 上海侍东汽车科技有限公司 | A kind of crankcase ventilation tube assembly and its monitoring device |
-
2017
- 2017-04-25 CN CN201710277225.5A patent/CN108729978A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030178015A1 (en) * | 1999-11-09 | 2003-09-25 | Sumitomo Wiring Systems, Ltd. | Disengagement detecting system for joint portion |
| CN2823564Y (en) * | 2005-08-09 | 2006-10-04 | 比亚迪股份有限公司 | Forced ventilator for crankcase of automobile engine |
| CN201763415U (en) * | 2009-07-24 | 2011-03-16 | 福特环球技术公司 | System for monitoring connection of valve/separator and air inlet system of crankcase ventilation system |
| CN103670708A (en) * | 2012-09-14 | 2014-03-26 | 福特环球技术公司 | Crankcase integrity breach detection |
| CN106555673A (en) * | 2015-09-25 | 2017-04-05 | 通用汽车环球科技运作有限责任公司 | System and method for detecting the damage in positive crankcase ventilation (PCV) pipe |
| CN206942840U (en) * | 2017-04-25 | 2018-01-30 | 上海侍东汽车科技有限公司 | A kind of crankcase ventilation tube assembly and its monitoring device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11015750B2 (en) | 2017-09-07 | 2021-05-25 | Tianjin Datro Technology Co., Ltd. | Pipeline detection device and method |
| CN110118113A (en) * | 2019-05-29 | 2019-08-13 | 帕萨思汽车零部件（苏州）有限公司 | Crankcase ventilation tube assembly and its installation method |
| CN114251157A (en) * | 2021-12-24 | 2022-03-29 | 潍柴动力股份有限公司 | Oil-gas separator pipeline, method and device for diagnosing fault of oil-gas separator |
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