CN108663203B - Crankcase ventilation pipe detecting system - Google Patents
Crankcase ventilation pipe detecting system Download PDFInfo
- Publication number
- CN108663203B CN108663203B CN201810634824.2A CN201810634824A CN108663203B CN 108663203 B CN108663203 B CN 108663203B CN 201810634824 A CN201810634824 A CN 201810634824A CN 108663203 B CN108663203 B CN 108663203B
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- CN
- China
- Prior art keywords
- hole
- contact
- male pipe
- cavity
- pipe
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- 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.)
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- 238000009423 ventilation Methods 0.000 title claims abstract description 23
- 238000001514 detection method Methods 0.000 claims abstract description 8
- 230000002159 abnormal effect Effects 0.000 claims abstract description 3
- 238000012423 maintenance Methods 0.000 claims abstract description 3
- 238000012545 processing Methods 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 238000003912 environmental pollution Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
Abstract
The invention discloses a crankcase ventilation pipe detection system, wherein when a first male pipe is connected with a first through hole in a matching way, a first barrel body is pushed to retract into a first cavity, a first contact is connected with a second contact in parallel, when the first male pipe is separated from the second through hole, a spring pushes the first barrel body to emerge out of the first cavity, and the first contact and the second contact are connected in parallel to be disconnected electrically; when the second male pipe is connected with the second through hole in a matching way, the second barrel body is pushed to retract into the second cavity, the third contact is connected with the fourth contact in parallel, and when the second male pipe is separated from the second through hole, the spring pushes the second barrel body to emerge out of the second cavity, and the third contact is connected with the fourth contact in parallel to disconnect the electrical connection. Abnormal connection between the ventilation pipe and the relevant public pipe at the automobile end can be found at the first time, so that the maintenance is timely carried out, and environmental pollution is prevented.
Description
Technical Field
The invention relates to the field of automobile parts, in particular to a crankcase ventilation pipe detection system.
Background
As a necessary ring of the positive crankcase ventilation system, the gas separated by the oil-gas separation system must be led into the air intake system of the engine and participate in combustion so as to avoid polluting the atmosphere, and the passage is the crankcase ventilation pipe, however, in the design process of the existing crankcase ventilation pipe, when the crankcase ventilation pipe is disconnected or abnormally connected, the crankcase ventilation pipe cannot be known in time, and thus, the improvement is needed.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides a crankcase ventilation pipe detection system.
The invention proposes a crankcase ventilation pipe detection system comprising:
a first switch assembly comprising: the first body is internally provided with a first cavity, a first opening and a first through hole, one end of the first opening is communicated with the first cavity, the other end of the first opening is radially communicated with the first through hole, the other end of the first opening is used for being connected with a first male pipe, one end of the first barrel is pulled out from the first opening and enters the first through hole, the other end of the first barrel is provided with a first contact, the first contact is positioned in the first cavity, one end of the first spring is propped against the end cover of the first body, the other end of the first spring is propped against the bottom plate in the first barrel, a second contact is fixed in the first cavity, and the first through hole is provided with one end which is connected with the first male pipe in a matched manner;
a second switch assembly comprising: the second body is internally provided with a second cavity, a second opening and a second through hole, one end of the second opening is communicated with the second cavity, the other end of the second opening is radially communicated with the second through hole, the other end of the second through hole is used for being connected with a second male pipe, one end of the second barrel body is pulled out from the second opening and enters the second through hole, the other end of the second barrel body is provided with a third contact, a fourth contact is positioned in the second cavity, one end of a second spring is propped against an end cover of the second body, the other end of the second spring is propped against a bottom plate in the second barrel body, a fourth contact is fixed in the second cavity, and the second through hole is provided with one end which is connected with the second male pipe in a matching manner;
one end of the ventilation pipe is connected with one end of the first through hole in a matching way, and the other end of the ventilation pipe is connected with one end of the second through hole in a matching way;
the first branch circuit consists of a first switch component, a first resistor and a second switch component which are connected in series;
the first branch circuit and the second branch circuit are connected in parallel in the main circuit, the second resistor is connected in series in the second branch circuit, and the resistor sensor and the power supply are electrically connected in the main circuit;
the processor is in signal connection with the resistance sensor and is used for receiving and processing signals from the resistance sensor;
when the first male pipe is connected with the first through hole in a matching way, the first barrel body is pushed to retract into the first cavity, the first contact is connected with the second contact in parallel, and when the first male pipe is separated from the second through hole, the spring pushes the first barrel body to emerge out of the first cavity, and the first contact and the second contact are connected in parallel to be disconnected electrically;
when the second male pipe is connected with the second through hole in a matching way, the second barrel body is pushed to retract into the second cavity, the third contact is connected with the fourth contact in parallel, and when the second male pipe is separated from the second through hole, the spring pushes the second barrel body to emerge out of the second cavity, and the third contact is connected with the fourth contact in parallel to disconnect the electrical connection.
Preferably, the first resistor and the second resistor have the same resistance value.
In the invention, the first male pipe and the second male pipe are connecting pipes inherent to an automobile, when the first male pipe is normally connected with the first through hole, the second male pipe is normally connected with the second through hole, the first contact is electrically connected with the second contact, the third contact is electrically connected with the fourth contact, at the moment, the resistance sensor detects a first resistance value after the first resistance is connected with the second resistance in parallel, conversely, when the processor receives the first resistance value, the first male pipe is judged to be normally connected with the first through hole, the second male pipe is normally connected with the second through hole, and when the first male pipe is not normally connected with the first through hole and/or the second male pipe is not normally connected with the second through hole, the first contact is not electrically connected with the second contact and/or the third contact is not electrically connected with the fourth contact, and as long as one is disconnected, the first switch component is connected with the second switch component in series, the first circuit is broken, the resistance sensor detects a second resistance value of the second resistance value only, conversely, when the processor receives the first resistance value is judged to be normally connected with the second through hole, and the second male pipe is not normally connected with the second through hole. Abnormal connection between the ventilation pipe and the relevant public pipe at the automobile end can be found at the first time, so that the maintenance is timely carried out, and environmental pollution is prevented.
Drawings
Fig. 1 is a schematic structural diagram of a crankcase ventilation tube detection system according to the invention.
Detailed Description
The technical scheme of the invention is described in detail through specific embodiments.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a crankcase ventilation tube detection system according to the invention.
Referring to fig. 1, an embodiment of the present invention provides a crankcase ventilation pipe detection system, including: a first switch assembly comprising: the first body 1, offer the first cavity, first opening, first through-hole in the first body 1, the first opening one end communicates the first cavity, another end radially communicates the first through-hole, another end is used for connecting the first male pipe 2, 3 one end of the first barrel is pulled out and enters the first through-hole by the first opening, another end installs the first contact 4, the first contact 4 is located in the first cavity, 5 one ends of the first springs are propped against 1 end covers of the first body, another end is propped against 3 inner bottom plates of the first barrel, fix the second contact 6 in the first cavity, the first through-hole has one end that is connected with the first male pipe 2 in a matched manner; a second switch assembly comprising: the second body 7, offer the second cavity, second opening, second through hole in the second body 7, one end of the second opening communicates the second cavity, another end communicates the second through hole radially, another end of the second through hole is used for connecting the second male pipe 8, one end of the second barrel 9 is oozed out and enters the second through hole by the second opening, another end installs the third contact 10, the fourth contact 11 is located in second cavity, one end of the second spring 12 is propped against the end cover of the second body 7, another end is propped against the inner bottom plate of the second barrel 9, there are fourth contacts 11 in the second cavity, the second through hole has one end that matches and connects with second male pipe 8; one end of the ventilation pipe 13 is connected with one end of the first through hole in a matching way, and the other end of the ventilation pipe is connected with one end of the second through hole in a matching way; the first branch circuit consists of a first switch component, a first resistor 14 and a second switch component which are connected in series; a main circuit, wherein the first branch circuit and the second branch circuit are connected in parallel, the second resistor 15 is connected in series in the second branch circuit, and the resistor sensor 16 and the power supply 17 are electrically connected in the main circuit; a processor 18 in signal communication with the resistive sensor 16 for receiving and processing signals from the resistive sensor 16; when the first male pipe 2 is connected with the first through hole in a matching way, the first barrel body 3 is pushed to retract into the first cavity, the first contact 4 is linked to be electrically contacted with the second contact 6, and when the first male pipe 2 is separated from the second through hole, the spring pushes the first barrel body 3 to emerge out of the first cavity, and the first contact 4 is linked to be electrically disconnected with the second contact 6; when the second male pipe 8 is connected with the second through hole in a matching way, the second barrel 9 is pushed to retract into the second cavity, the third contact 10 is linked to be electrically contacted with the fourth contact 11, when the second male pipe 8 is separated from the second through hole, the spring pushes the second barrel 9 to emerge out of the second cavity, and the third contact 10 is connected with the fourth contact 11 in a disconnecting way. The resistor 14 and the second resistor 15 have the same resistance.
The invention works in that the first male pipe 2 and the second male pipe 8 are connection heads inherent to the automobile, when the first male pipe 2 is normally connected with the first through hole, the second male pipe 8 is normally connected with the second through hole, the first contact 4 and the second contact 6 are electrically connected, the third contact 10 is electrically connected with the fourth contact 11, at this time, the resistance sensor 16 detects a first resistance value after the first resistor 14 and the second resistor 15 are connected in parallel, conversely, when the processor 18 receives the first resistance value, it is judged that the first male pipe 2 is normally connected with the first through hole, the second male pipe 8 is normally connected with the second through hole, and when the first male pipe 2 is not normally connected with the first through hole and/or the second male pipe 8 is not normally connected with the second through hole, the first contact 4 and the second contact 6 are not electrically connected and/or the third contact 10 is not electrically connected with the fourth contact 11, and as long as the first switch assembly and the second switch assembly are disconnected, the first switch assembly is only the first resistor 16 is disconnected, the second circuit is judged to be connected in series, and the second through hole is not normally connected with the second through hole 18, and the second through hole is not normally connected with the second through hole is judged.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (1)
1. A crankcase ventilation tube detection system, comprising:
a first switch assembly comprising: the novel plastic barrel comprises a first body (1), wherein a first cavity, a first opening and a first through hole are formed in the first body (1), one end of the first opening is communicated with the first cavity, the other end of the first opening is radially communicated with the first through hole, the other end of the first opening is used for being connected with a first male pipe (2), one end of a first barrel (3) is pulled out of the first opening and enters the first through hole, a first contact (4) is arranged at the other end of the first barrel, the first contact (4) is positioned in the first cavity, one end of a first spring (5) abuts against an end cover of the first body (1), the other end abuts against an inner bottom plate of the first barrel (3), a second contact (6) is fixed in the first cavity, and one end of the first through hole is connected with the first male pipe (2) in a matched mode;
a second switch assembly comprising: the second body (7), offer the second cavity in the second body (7), the second opening, second through-hole, second opening one end communicates the second cavity, another end radial intercommunication second through-hole, another end of the second through-hole is used for connecting the second male pipe (8), one end of the second barrel (9) is oozed out and enters the second through-hole by the second opening, the other end installs the third contact (10), the fourth contact (11) is located in the second cavity, one end of the second spring (12) is propped against the end cover of the second body (7), another end is propped against the inner bottom plate of the second barrel (9), there are fourth contacts (11) in the second cavity, the second through-hole has one end that matches and connects with the second male pipe (8);
one end of the ventilation pipe (13) is connected with one end of the first through hole in a matching way, and the other end of the ventilation pipe is connected with one end of the second through hole in a matching way;
the first branch circuit consists of a first switch component, a first resistor (14) and a second switch component which are connected in series;
the first branch circuit and the second branch circuit are connected in parallel in the main circuit, the second resistor (15) is connected in series in the second branch circuit, and the resistor sensor (16) and the power supply (17) are electrically connected in the main circuit;
a processor (18) in signal communication with the resistive sensor (16) for receiving and processing signals from the resistive sensor (16);
when the first male pipe (2) is connected with the first through hole in a matching way, the first barrel body (3) is pushed to retract into the first cavity, the first contact (4) is connected with the second contact (6) in parallel, and when the first male pipe (2) is separated from the second through hole, the spring pushes the first barrel body (3) to emit out of the first cavity, and the first contact (4) is connected with the second contact (6) in parallel in a disconnection way;
when the second male pipe (8) is connected with the second through hole in a matching way, the second barrel body (9) is pushed to retract into the second cavity, the third contact (10) is connected with the fourth contact (11) in parallel, and when the second male pipe (8) is separated from the second through hole, the spring pushes the second barrel body (9) to emit out of the second cavity, and the third contact (10) is connected with the fourth contact (11) in parallel to disconnect the electricity;
the first resistor (14) and the second resistor (15) have the same resistance value;
wherein the first male pipe (2) and the second male pipe (8) are connecting pipe heads inherent to automobiles;
when the first male pipe (2) is normally connected with the first through hole and the second male pipe (8) is normally connected with the second through hole, the first contact (4) is electrically connected with the second contact (6), and the third contact (10) is electrically connected with the fourth contact (11); the resistance sensor (16) detects a first resistance value obtained by connecting the first resistor (14) and the second resistor (15) in parallel; when the processor (18) receives the first resistance value, judging that the first male pipe (2) is normally connected with the first through hole, and the second male pipe (8) is normally connected with the second through hole;
when the first male pipe (2) is not normally connected with the first through hole and/or the second male pipe (8) is not normally connected with the second through hole, the first contact (4) and the second contact (6) are not electrically connected and/or the third contact (10) and the fourth contact (11) are not electrically connected, when the resistance sensor (16) detects the second resistance value of the second resistor (15), the processor (18) receives the second resistance value, and then the fact that the connection between the first male pipe (2) and the first through hole and the connection between the second male pipe (8) and the second through hole is abnormal is judged, and maintenance is needed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810634824.2A CN108663203B (en) | 2018-06-20 | 2018-06-20 | Crankcase ventilation pipe detecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810634824.2A CN108663203B (en) | 2018-06-20 | 2018-06-20 | Crankcase ventilation pipe detecting system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108663203A CN108663203A (en) | 2018-10-16 |
| CN108663203B true CN108663203B (en) | 2024-01-16 |
Family
ID=63772143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810634824.2A Active CN108663203B (en) | 2018-06-20 | 2018-06-20 | Crankcase ventilation pipe detecting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108663203B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001132427A (en) * | 1999-11-09 | 2001-05-15 | Sumitomo Wiring Syst Ltd | Joint part removal detection system |
| DE102007046465A1 (en) * | 2007-09-28 | 2009-04-02 | Daimler Ag | Leakage detecting device for use in e.g. crankcase vent, of internal combustion engine, has signal processing unit detecting leakage status on basis of resistance value supplied by sensor element |
| CN107165696A (en) * | 2017-07-05 | 2017-09-15 | 天津大创科技有限公司 | A kind of conducting gas piping system for the detection function that come off with pipeline |
| CN107448692A (en) * | 2017-09-01 | 2017-12-08 | 特百科汽车工业（宁波）有限公司 | A kind of fluid line and the device for being provided with the fluid line |
| CN107476848A (en) * | 2017-09-07 | 2017-12-15 | 天津大创科技有限公司 | Pipeline disconnection detection system based on galvanic circle mechanism |
| CN107676185A (en) * | 2017-09-20 | 2018-02-09 | 范金妹 | A kind of device disconnected using electrical signal detection crankcase bleed pipe |
| CN208270198U (en) * | 2018-06-20 | 2018-12-21 | 安徽中鼎金亚汽车管件制造有限公司 | A kind of crankcase bleed pipe detection system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9828950B2 (en) * | 2015-09-25 | 2017-11-28 | GM Global Technology Operations LLC | Systems and methods for detecting damage in a positive crankcase ventilation tube |
-
2018
- 2018-06-20 CN CN201810634824.2A patent/CN108663203B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001132427A (en) * | 1999-11-09 | 2001-05-15 | Sumitomo Wiring Syst Ltd | Joint part removal detection system |
| DE102007046465A1 (en) * | 2007-09-28 | 2009-04-02 | Daimler Ag | Leakage detecting device for use in e.g. crankcase vent, of internal combustion engine, has signal processing unit detecting leakage status on basis of resistance value supplied by sensor element |
| CN107165696A (en) * | 2017-07-05 | 2017-09-15 | 天津大创科技有限公司 | A kind of conducting gas piping system for the detection function that come off with pipeline |
| CN107448692A (en) * | 2017-09-01 | 2017-12-08 | 特百科汽车工业（宁波）有限公司 | A kind of fluid line and the device for being provided with the fluid line |
| CN107476848A (en) * | 2017-09-07 | 2017-12-15 | 天津大创科技有限公司 | Pipeline disconnection detection system based on galvanic circle mechanism |
| CN107676185A (en) * | 2017-09-20 | 2018-02-09 | 范金妹 | A kind of device disconnected using electrical signal detection crankcase bleed pipe |
| CN208270198U (en) * | 2018-06-20 | 2018-12-21 | 安徽中鼎金亚汽车管件制造有限公司 | A kind of crankcase bleed pipe detection system |
Non-Patent Citations (1)
| Title |
|---|
| 氧传感器常见故障与检查方法;尹学杨;;中国科技信息(第23期);139-141 * |
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| Publication number | Publication date |
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| CN108663203A (en) | 2018-10-16 |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 242300 Meicun Road, Heli Park, Ningguo Economic and Technological Development Zone, Xuancheng City, Anhui Province Applicant after: Anhui Zhongding Fluid System Co.,Ltd. Address before: 242300 Meicun Road, Heli Park, Ningguo Economic and Technological Development Zone, Xuancheng City, Anhui Province Applicant before: ANHUI ZHONGDING-KEUMAH AUTO HOSE & PIPE ASSEMBLY Co.,Ltd. |
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