CN206942840U - 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
- CN206942840U CN206942840U CN201720444348.9U CN201720444348U CN206942840U CN 206942840 U CN206942840 U CN 206942840U CN 201720444348 U CN201720444348 U CN 201720444348U CN 206942840 U CN206942840 U CN 206942840U
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- CN
- China
- Prior art keywords
- crankcase ventilation
- tube assembly
- connection end
- ventilation tube
- controller
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- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The utility model 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 provided with 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 connected 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.Crankcase ventilation tube assembly of the present utility model can meet the detection requirement to crankcase ventilation, and be applied to different types of engine.
Description
Technical field
Crankcase ventilation field is the utility model is related to, is filled more particularly to a kind of crankcase ventilation tube assembly and its monitoring
Put.
Background technology
The Abgasgesetz of state six (the light-duty vehicle pollutant emission limits of GB18352.6-2016 that the end of the year 2016 were formally issued
And measuring method (Chinese 6th stage)) in, OBD (OBD) system has been increased newly to engine crankshaft ventilation system (PCV
System) detection requirement：If vehicle has used crankcase ventilation system, manufacturing enterprise should be carried out to crankcase ventilation system
Monitoring, it is ensured that system integrity.Existing crankcase ventilation pipeline is mainly used in the inside and outside pressure of balancing engine crankcase system
Power, but it is unsatisfactory for the requirement in the Abgasgesetz OBD system of state six to crankcase ventilation system Integrity Verification.
Current most of manufacturing enterprise is supervised by the way of pressure sensor is increased in crankcase ventilation pipeline
Survey.When crankcase ventilation pipeline does not disconnect, pressure signal can fluctuate because of the opening and closing of crankcase vent valve,
And pipeline is when disconnect, pressure signal then shows relatively stable.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, crankcase ventilation system monitoring wrong report failure is occurred, increase the maintenance of manufacturing enterprise into
This, or failure is failed to report, it is unsatisfactory for the requirement of the regulation of state six.On the other hand, manufacturing enterprise needs different types of to each
Crankcase ventilation system arrangement, OBD diagnostic functions are individually developed, considerably increase the development cost of enterprise.
Utility model content
The utility model makes mainly solving the technical problems that provide a kind of crankcase ventilation tube assembly and its monitoring device
Crankcase ventilation tube assembly 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, the technical scheme that the utility model uses is to provide a kind of crankcase bleed pipe
Component, the crankcase ventilation tube assembly are installed in motor vehicle, and controller is provided with the motor vehicle, wherein, the bent axle
Case 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 provided with the first plug, and first plug inserts the first end of the vent body, and described the
Two pipeline components are provided with the second plug, and second plug inserts the second end of the vent body；Electric signal transmission device,
The electric signal transmission device includes the first connection end 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 connection end and second connection end and with vent body, institute
State controller and form power circuit with first connection end, conducting element and second connection end.
In order to solve the above technical problems, another technical scheme that the utility model uses be to provide it is a kind of above-mentioned any
A kind of monitoring device of crankcase ventilation tube assembly, including：Controller, the controller and first connection end, conductive element
Part and second connection end form power circuit.
The beneficial effects of the utility model are：The situation of prior art is different from, by increasing on crankcase ventilation pipeline
Add the electric signal transmission device being connected with controller, allow the controller to monitor crankcase ventilation pipeline by the break-make of electric signal
Whether it is fully disconnected, meets the detection requirement to crankcase ventilation.Further, the utility model is without the knot to engine
Structure is modified, therefore can be applied to different types of engine.
Brief description of the drawings
Fig. 1 is a kind of structural representation of crankcase ventilation tube assembly first embodiment of the utility model；
Fig. 2 is a kind of structural representation of crankcase ventilation tube assembly second embodiment of the utility model；
Fig. 3 is a kind of structural representation of the embodiment of crankcase ventilation tube assembly the 3rd of the utility model；
Fig. 4 is a kind of structural representation of the embodiment of crankcase ventilation tube assembly the 4th of the utility model；
Fig. 5 is a kind of structural representation of the embodiment of monitoring device one of crankcase ventilation tube assembly of the utility model.
Embodiment
The utility model is described in detail with embodiment below in conjunction with the accompanying drawings.
Referring to Fig. 1, Fig. 1 is a kind of structural representation of crankcase ventilation tube assembly first embodiment of the utility model
To scheme, the crankcase ventilation tube assembly 11 in the present embodiment is installed in motor vehicle, and controller 20 is provided with motor vehicle, wherein, it is bent
Crankcase ventilation tube assembly 11 includes：Air pipeline 12 and electric signal transmission device 14；Air pipeline 12 further comprises ventilation duct
Body 120, the first pipeline component 121 and the second pipeline component 122, the first pipeline component 121 are provided with the first plug 1210, and first
Plug 1210 inserts the first end of vent body 120, and the second pipeline component 122 is provided with the second plug 1220, the second plug
Second end of 1220 insertion vent bodies 120.Electric signal transmission device 14 includes the be arranged on the first pipeline component 121
One connection end 141；The second connection end 143 being arranged on the second pipeline component 122；Connect positioned at the first connection end 141 and second
Connect between end 143 and the conducting element 140 that is arranged side by side with vent body, controller 20 successively with second connection end 143, lead
The connection end 141 of electric device 140 and first forms electrical connection, and ultimately forms loop.When the first plug 1210 is fallen off, the
One connection end 141 disconnects；When the second plug 1220 is fallen off, second connection end 143 disconnects；When vent body 120 is complete
During full disconnection, conducting element 140 disconnects.In the case of any of the above one kind, electric signal transmission device 14 can shape with controller 20
Into open circuit, 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 or other possess the equipment of monitoring function.
It is understood that conducting element 140 can be arranged at the surface of vent body 120, 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 connection end 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 representation of crankcase ventilation tube assembly second embodiment of the utility model
Figure.In the present embodiment, conducting element includes monometallic wire 1401, and monometallic wire 1401 is to be arranged on air pipeline 12
Single electrical line.As a kind of embodiment, the first connection end and second connection end can be conductor node, solder joint or switch
Etc. structure.It is understood that monometallic wire 1401 can be arranged at the surface of vent body 120, can also be embedded in logical
In airduct body 120.
In the present embodiment, the first connection end of monometallic wire 1401 is arranged on the first pipeline component 121, and further
Be connected with engine ground wire 30, and second connection end is arranged on the second pipeline component 122, and further with the phase of controller 20
Even.Controller 20 passes sequentially through second connection end, the connection end of monometallic wire 1401 and first forms ground connection.When the first plug
1210 when falling off, and the first connection end 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 representation of the embodiment of crankcase ventilation tube assembly the 3rd of the utility model
Figure.The structure of 3rd embodiment and first embodiment is essentially identical, and difference is, conducting element bag in the present embodiment
Include bimetallic conductor, bimetallic conductor is further to be arranged in parallel in the surface of vent body 120 or be embedded in ventilation duct sheet
The first wire 1402 and the second wire 1403 in body 120.Optionally, the first connection end and second connection end are provided with switches set
Part 142, switch module 142 include the 3rd switch 1423 and the 4th switch 1429, and the 3rd switch 1423 is arranged at the first duct portion
On part 121, the 4th switch 1429 is arranged on the second pipeline component 122.The both ends of first wire 1402 and the second wire 1403
1429 be connected with the 3rd switch 1423 and the 4th switch respectively, and by the 4th switch 1429 further with the phase of controller 20
Even.Optionally, switch module 142 can be conductive metal sheet, magnetic switch, socket switch, travel switch or close to opening
Close etc., wherein, proximity switch can be inductance approach switch or Hall switch etc..Controller 20 passes sequentially through the 4th and opened
Close the 1429, first wire the 1402, the 3rd switch the 1423, second wire 1403 and the 4th switch 1429 forms loop.
When the first plug 1210 is fallen off, the 3rd 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 connection end and second connection end can also be the structures such as conductor node, solder joint.
Referring to Fig. 4, Fig. 4 is a kind of structural representation of the embodiment of crankcase ventilation tube assembly the 4th of the utility model
Figure.In the present embodiment, conducting element includes bimetallic conductor, and bimetallic conductor is further to be arranged in the table of vent body 120
The privates 1405 in face and the privates 1406 being embedded in vent body 120；The both ends difference of privates 1405
Be connected with the first connection end 141 and second connection end 143, and by second connection end 143 further with engine ground wire 30
It is connected；The both ends of privates 1406 are connected with the first connection end 141 and second connection end 143 respectively, and are connected by second
End 143 is connect further with controller 20 to be connected.
As a kind of embodiment, the first connection end 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 connected with the first connection end 141 and second connection end 143 respectively,
And further it is connected by second connection end 143 with engine ground wire 30；The both ends of privates 1406 connect with first respectively
Connect end 141 and second connection end 143 connects, and be further connected by second connection end 143 with controller 20.Controller
20 pass sequentially through second connection end 143, privates 1406, the first connection end 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 connection end 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.
Referring to Fig. 5, Fig. 5 is a kind of knot of the embodiment of monitoring device one of crankcase ventilation tube assembly of the utility model
Structure schematic diagram.Monitoring device 80 includes controller 800, and crankcase ventilation tube assembly 82 is any one above-mentioned crankcase bleed pipe
Component.Controller 800 is formed by electric signal transmission device 820 with crankcase ventilation tube assembly 82 and electrically connected.When crankcase leads to
When air pipe line is fully disconnected, electric signal transmission device 820 interrupts the transmission of the electric signal to controller 800, and then controller 20
Judge crankcase bleed pipe component failure.
It is understood that above-mentioned crankcase ventilation tube assembly can be arranged 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 and its monitoring device in the utility model, by controller to electric signal transmission device
Electric signal monitoring, it can be determined that whether crankcase ventilation tube assembly is fully disconnected, and meets the monitoring to crankcase ventilation
It is required that and be applied to different engines, installation is also very easy；In addition, it will not also be led to by engine displacement or crankcase
The influence of the arrangement of air pipe line, crankcase ventilation system monitoring will not be made to occur failing to report failure.
Embodiment of the present utility model is the foregoing is only, not thereby limits the scope of the claims of the present utility model, it is all
It is the equivalent structure or equivalent flow conversion made using the utility model specification and accompanying drawing content, or directly or indirectly uses
In other related technical areas, similarly it is included in scope of patent protection of the present utility model.
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, it is characterised 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 provided with the first plug, and first plug inserts the first end of the vent body, and second pipeline component is set
There is the second plug, second plug inserts the second end of the vent body；
Electric signal transmission device, the electric signal transmission device include the first connection end being arranged on the first pipeline component；If
Put the second connection end on the second pipeline component；Between the first connection end and second connection end and with vent body simultaneously
The conducting element that arrangement is put, the controller form power circuit with first connection end, conducting element and second connection end.
2. crankcase ventilation tube assembly according to claim 1, it is characterised in that the conducting element is arranged at ventilation duct
Body surface is embedded in vent body.
3. crankcase ventilation tube assembly according to claim 1, it is characterised in that the second connection end further with machine
Ground wire connection in motor-car, the controller are formed by first connection end, conducting element and second connection end and are powered back
Road.
4. crankcase ventilation tube assembly according to claim 1, it is characterised in that the controller connects by described first
Connect end, conducting element and second connection end and form power circuit.
5. crankcase ventilation tube assembly according to claim 1, it is characterised in that first connection end and the second connection
End is provided with conductor node, solder joint or switch module.
6. the crankcase ventilation tube assembly according to claim 3 or 4, it is characterised in that the conducting element is led to be single
Line or wire netting or conductive rubber.
7. the crankcase ventilation tube assembly according to claim 3 or 4, it is characterised in that the conducting element, which is two, leads
Electric wire.
8. crankcase ventilation tube assembly according to claim 5, it is characterised in that the switch module be magnetic switch,
Socket switch, travel switch or proximity switch.
9. crankcase ventilation tube assembly according to claim 8, it is characterised in that the proximity switch approaches for inductance type
Switch or Hall switch.
10. a kind of monitoring device of the crankcase ventilation tube assembly described in any one of claim 1 to 9, including：Controller, institute
State controller and form power circuit with the electric signal transmission device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720444348.9U CN206942840U (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 |
|---|---|---|---|
| CN201720444348.9U CN206942840U (en) | 2017-04-25 | 2017-04-25 | A kind of crankcase ventilation tube assembly and its monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206942840U true CN206942840U (en) | 2018-01-30 |
Family
ID=61358757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720444348.9U Expired - Fee Related CN206942840U (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) | CN206942840U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108729978A (en) * | 2017-04-25 | 2018-11-02 | 上海侍东汽车科技有限公司 | A kind of crankcase ventilation tube assembly and its monitoring device |
| CN108915820A (en) * | 2018-06-21 | 2018-11-30 | 浙江吉利控股集团有限公司 | A kind of crankcase ventilation pipeline on-off monitoring of structures |
| WO2019047621A1 (en) * | 2017-09-07 | 2019-03-14 | 天津大创科技有限公司 | Pipeline detection device and method |
| CN110531213A (en) * | 2018-05-23 | 2019-12-03 | 联合汽车电子有限公司 | Pipeline diagnostic method and engine crankshaft ventilation system circuit failure diagnostic method |
| CN113404593A (en) * | 2020-03-16 | 2021-09-17 | 长城汽车股份有限公司 | Diagnosis method and device |
| WO2024023423A1 (en) * | 2022-07-29 | 2024-02-01 | Novares France | System and method for detecting a failure in a fluid path of a fluid system |
-
2017
- 2017-04-25 CN CN201720444348.9U patent/CN206942840U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108729978A (en) * | 2017-04-25 | 2018-11-02 | 上海侍东汽车科技有限公司 | A kind of crankcase ventilation tube assembly and its monitoring device |
| WO2019047621A1 (en) * | 2017-09-07 | 2019-03-14 | 天津大创科技有限公司 | Pipeline detection device and method |
| US11015750B2 (en) | 2017-09-07 | 2021-05-25 | Tianjin Datro Technology Co., Ltd. | Pipeline detection device and method |
| CN110531213A (en) * | 2018-05-23 | 2019-12-03 | 联合汽车电子有限公司 | Pipeline diagnostic method and engine crankshaft ventilation system circuit failure diagnostic method |
| CN108915820A (en) * | 2018-06-21 | 2018-11-30 | 浙江吉利控股集团有限公司 | A kind of crankcase ventilation pipeline on-off monitoring of structures |
| CN113404593A (en) * | 2020-03-16 | 2021-09-17 | 长城汽车股份有限公司 | Diagnosis method and device |
| WO2024023423A1 (en) * | 2022-07-29 | 2024-02-01 | Novares France | System and method for detecting a failure in a fluid path of a fluid system |
| FR3138520A1 (en) * | 2022-07-29 | 2024-02-02 | Novares France | System and method for detecting a failure in a fluid path of a fluid system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180130 Termination date: 20190425 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |