CN207989173U - Canister pipeline assembly and automobile - Google Patents

Canister pipeline assembly and automobile Download PDF

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Publication number
CN207989173U
CN207989173U CN201820047801.7U CN201820047801U CN207989173U CN 207989173 U CN207989173 U CN 207989173U CN 201820047801 U CN201820047801 U CN 201820047801U CN 207989173 U CN207989173 U CN 207989173U
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China
Prior art keywords
pipeline
canister
pressure
connector
pipeline assembly
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CN201820047801.7U
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Chinese (zh)
Inventor
曹娟娟
何战慧
陈军镇
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Jiangling Holdings Co Ltd
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Jiangling Holdings Co Ltd
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Priority to CN201820047801.7U priority Critical patent/CN207989173U/en
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Abstract

A kind of canister pipeline assembly and automobile, the canister pipeline assembly includes pipeline and the first connector of the pipe ends, first connector uses quick connector, the canister pipeline assembly further includes the pressure sensor being arranged on the pipeline, the pipeline includes two the second connectors being connect respectively with the connector at the pressure sensor both ends, second connector uses bamboo joint type connector, the ECU of the pressure sensor and automobile is electrically connected, the ECU is used to receive the pressure data of the pressure sensor detection, and it is compared with threshold pressure, when the pressure data is less than the threshold pressure, export ODB fault code indications.The utility model embodiment can effectively prevent the fuel-steam in pipeline to leak.

Description

Canister pipeline assembly and automobile
Technical field
The utility model is related to automobile technical fields, more particularly to a kind of canister pipeline assembly and automobile.
Background technology
Automobile has been the most common walking-replacing tool of people, and canister pipeline is one of necessary equipment in automobile.Canister pipe The main function in road is that the fuel-steam that canister is collected is carved feeding inlet manifold in due course to be mixed with air, subsequently into Combustion chambers burn, to reduce the discharge of unburned HC.
According to six emission regulation demands of newest state, OBD system should monitor the desorption flow of vapo(u)rization system, and monitoring removes carbon The integrality of the entire vapo(u)rization system except pipeline and connector between pot valve and inlet manifold, prevents fuel-steam from leaking into greatly In gas.
Traditional canister pipeline transmits fuel-steam using rubber tube, and joint is sealed with the mode that clip clamps, Pipeline once leaks, and can not find in time.Current pipeline cannot be satisfied six emission regulation demands of state completely with connector design.
Utility model content
In view of above-mentioned condition, it is necessary to take precautions against asking for effect difference for canister pipeline intermediate fuel oil steam leakage in the prior art A kind of canister pipeline assembly of topic offer and automobile.
A kind of canister pipeline assembly is applied in automobile, and the canister pipeline assembly includes pipeline and the pipe ends The first connector, first connector use quick connector, the canister pipeline assembly further include be arranged in the pipeline On pressure sensor, the pipeline include two connect respectively with the connector at the pressure sensor both ends second connection Head, second connector use bamboo joint type connector, the ECU of the pressure sensor and the automobile to be electrically connected, the ECU Pressure data for receiving the pressure sensor detection, and be compared with threshold pressure, when the pressure data is less than When the threshold pressure, ODB fault code indications are exported.
Further, above-mentioned canister pipeline assembly, wherein circumferentially fixed one annular of connection in end of second connector Boss, the side of the boss towards the pressure sensor fixes a sealing ring, is connected with being sealed with the pressure sensor It connects.
Further, above-mentioned canister pipeline assembly, further includes a solenoid valve, the solenoid valve be arranged the pipeline into At gas port, the solenoid valve is electrically connected with the ECU, when the pressure data is less than the threshold pressure, the electromagnetism Valve is controlled according to the control signal of the ECU and is closed.
Further, above-mentioned canister pipeline assembly, wherein the pipeline uses nylon material.
Further, above-mentioned canister pipeline assembly, wherein one evoh layer of outer application of the pipeline.
Further, above-mentioned canister pipeline assembly, wherein the pressure sensor is arranged in the gas outlet of the pipeline Place.
Further, above-mentioned canister pipeline assembly, wherein two second connectors connect with the pressure sensor Head is connected by cold-pressing assembly mode.
Further, above-mentioned canister pipeline assembly further includes the warning device being connect with the ECU, and the ECU is for working as The pressure data controls the warning device work when being less than the threshold pressure.
Further, above-mentioned canister pipeline assembly, wherein the warning device is LED light or buzzer.
The utility model embodiment additionally provides a kind of automobile, including above-mentioned canister pipeline assembly.
In the utility model embodiment, pipe ends use quick connector, the sealing ring in quick connector and ring knot Structure can enhance the leakproofness of pipeline connection, and line connection fuel-steam is avoided to leak;And integrated pressure passes on canister pipeline Sensor judges the case where canister pipeline is with the presence or absence of leakage by monitoring the pressure data of pressure sensor, once pipeline goes out It now reveals, can be convenient for staff's timely processing by OBD error code warning remindings, fuel evaporation is effectively prevent to leak.
Description of the drawings
Fig. 1 is the structural schematic diagram of the canister pipeline assembly in the utility model first embodiment;
Fig. 2 is the structure diagram of the canister pipeline assembly in the utility model first embodiment;
Fig. 3 is the structural schematic diagram of the canister pipeline assembly in the utility model second embodiment;
Fig. 4 is the structural schematic diagram of the canister pipeline assembly in the utility model 3rd embodiment;
Fig. 5 is the structure diagram of the canister pipeline assembly in the utility model 3rd embodiment.
Main element symbol description
Specific implementation mode
The utility model is more fully retouched below with reference to relevant drawings for the ease of understanding the utility model, It states.The utility model embodiment is given in attached drawing.But the utility model can be realized in many different forms, and It is not limited to embodiment described herein.On the contrary, the purpose for providing the embodiment is the disclosure made to the utility model It is more thorough and comprehensive.
It should be noted that when element is referred to as " being fixedly arranged on " another element, it can be directly on another element Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ", " right side " and similar statement are for illustrative purposes only.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with the technology for belonging to the utility model The normally understood meaning of technical staff in domain is identical.Terminology used in the description of the utility model herein only be The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein includes Any and all combinations of one or more relevant Listed Items.
It please refers to Fig.1 and Fig. 2, is the canister pipeline assembly of the utility model first embodiment extremely, the canister pipeline assembly Applied in automobile, for connecting canister and air inlet inlet manifold, the fuel-steam that canister is collected is carved into feeding in due course Inlet manifold is mixed with air, subsequently into combustion chambers burn, to reduce the discharge of unburned HC.
The canister pipeline assembly includes two first connectors 11 at 10 both ends of pipeline 10 and the pipeline, the pipeline 10 Using nylon tube, the fuel-steam in pipeline 10 can be effectively prevent to volatilize, avoid polluting the environment.Two described first connect Connector 11 is respectively used to connection canister and inlet manifold, and in the present embodiment, first connector 11 uses quick connector.Wherein The quick connector realizes the sealing with pipeline by ring inverted teeth and sealing ring.
The canister pipeline assembly further includes the pressure sensing 20 being arranged on the pipeline, the pressure sensor 20 It is positioned close near pipeline gas outlet, to detect the steam pressure in pipeline.The pressure sensor 20 and the vapour The ECU 30 (Electronic Control Unit, electronic control unit) of vehicle is electrically connected.The ECU 30 includes sequentially connecting Data transmission module, comparison module and output module, the data transmission module be used for receive pressure sensor detection pressure Data.The comparison module is, for example, that comparator is used to compare the pressure data and threshold pressure, when pressure data is less than threshold pressure When power, output ODB fault code indications are exported by output module.User inquires error code and may know that whether canister pipeline occurs Leakage.
The data transmission module is connect with pressure sensor by data line, certainly, in other implementations of the utility model It can also be connected by any one wireless communication mode in wifi, bluetooth and zigbee in example, herein without limiting.
It should be understood that when ECU 30 detects that the pressure in pipeline 10 is less than threshold pressure, it can also be in automobile Fault message is may also display on the display interface of instrument board, to remind user's canister pipeline leakage.Wherein, ODB error code can lead to OBD decoders are crossed to read, user is facilitated to inquire.
Further, the ECU 30 is also connected with a warning device 40, which is, for example, LED light or buzzing Device, when ECU 30 determines the pressure in pipeline 10 less than threshold pressure, control warning device 40 works.When it is implemented, 30 exportable chip selection signals of the ECU control the switch of warning device 40, are controlled to the opening and closing of warning device 40 System.The warning device 40 may be provided at the suitable position of automobile, such as it may be provided on instrument board.
The pipeline 10 includes two the second connectors 12 being connect respectively with the connector at 20 both ends of the pressure sensor, Second connector 12 uses bamboo joint type connector.The connector of two second connectors 12 and the pressure sensor 20 is logical Supercooling pressure assembly method connection.The leakproofness of pressure sensor 20 and pipeline 10 can be enhanced using bamboo joint type connector.
Further, the boss 13 of the circumferentially disposed annular in the end of second connector 12, the boss 13 is towards institute A sealing ring 14 is arranged in the side for stating pressure sensor 20, and when the second connector 12 is connect with pressure sensor 20, pressure passes The connector of sensor 20 is resisted against on the sealing ring 14, plays the role of further sealing.
Further, one evoh layer of outer application (ethene polymers) of the pipeline 10, evoh layer have resistance well Separating performance can effectively prevent volatilization of the fuel oil in pipeline, play the purpose for further decreasing that fuel-steam volatilizees in pipeline 10.
In the present embodiment, fuel-steam leakage is reduced by using nylon tube material canister Pipe transfer fuel-steam; Canister pipeline both ends are quick connector, and the sealing ring and bamboo joint structure in quick connector can enhance the leakproofness of pipeline connection, Line connection fuel-steam is avoided to leak;And integrated pressure sensor on canister pipeline, by monitoring pressure sensor Pressure data come judge canister pipeline with the presence or absence of leakage the case where, once pipeline is revealed, can be alarmed by OBD error code It reminds, is convenient for staff's timely processing, fuel evaporation is effectively prevent to leak.
Referring to Fig. 3, for the canister pipeline assembly in the utility model second embodiment, with the carbon in first embodiment The structure of tank pipeline is essentially identical, and the pressure sensor 20 is arranged at the middle part of the pipeline.The middle part of pipeline 10 is essentially One linear, installation site is longer, convenient for pipeline 10 is divided into two sections to be connect with pressure sensor 20, improves the canister pipeline The assembling speed of assembly.
It should be understood that also multiple pressures can be arranged according to the length of pipeline, or according to user demand in practical applications Force snesor, in order to be detected to the pressure of pipeline everywhere, when there is gas leakage in any one place of pipeline, can in time into Row fault alarm improves fault detection efficiency.
Fig. 4 and Fig. 5 are please referred to, is the canister pipeline assembly in third embodiment of the invention, and in first embodiment The structure of canister pipeline assembly is essentially identical, and difference exists, which further includes a solenoid valve 50, the electromagnetism Valve 50 is arranged at the air inlet of the pipeline 10, and the solenoid valve 50 and ECU 30 is electrically connected, and the ECU 30 is used In when the pressure data is less than the threshold pressure, the closing of the solenoid valve 50 is controlled.
The battery valve is arranged at the air inlet of pipeline 10, and the end of one first connector 11 is specifically arranged, is used for Gas in control canister enters in pipeline 10.Specifically, when ECU determines the number pressure of the detection of any one pressure sensor 20 When according to less than threshold pressure, a chip selection signal is sent to solenoid valve 50, to control the closing of solenoid valve 50.
Compared with first embodiment, by the way that the closing of solenoid valve control conduit air inlet is arranged in the present embodiment, pipe is prevented Fuel-steam when road is disconnected or damaged in canister passes through in pipeline leakage to external environment.
The embodiment of the utility model above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously Cannot the limitation to the utility model patent range therefore be interpreted as.It should be pointed out that for the ordinary skill of this field For personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these belong to this The protection domain of utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.

Claims (10)

1. a kind of canister pipeline assembly, the canister pipeline assembly includes pipeline and the first connector of the pipe ends, It is characterized in that, first connector uses quick connector, and the canister pipeline assembly further includes being arranged on the pipeline Pressure sensor, the pipeline include two the second connectors being connect respectively with the connector at the pressure sensor both ends, institute It states the second connector and uses bamboo joint type connector, the ECU electric connections of the pressure sensor and automobile, the ECU is for receiving The pressure data of the pressure sensor detection, and be compared with threshold pressure, when the pressure data is less than the threshold value When pressure, ODB fault code indications are exported.
2. canister pipeline assembly as described in claim 1, which is characterized in that the circumferentially fixed company in end of second connector Connect the boss of an annular, the side of the boss towards the pressure sensor fixes a sealing ring, with the pressure sensing Device is tightly connected.
3. canister pipeline assembly as described in claim 1, which is characterized in that further include a solenoid valve, the solenoid valve setting At the air inlet of the pipeline, the solenoid valve is electrically connected with the ECU, when the pressure data is less than the threshold pressure When power, the solenoid valve is controlled according to the control signal of the ECU and is closed.
4. canister pipeline assembly as described in claim 1, which is characterized in that the pipeline uses nylon material.
5. canister pipeline assembly as claimed in claim 4, which is characterized in that one evoh layer of outer application of the pipeline.
6. canister pipeline assembly as described in claim 1, which is characterized in that the pressure sensor is arranged in the pipeline At gas outlet.
7. canister pipeline assembly as described in claim 1, which is characterized in that two second connectors are passed with the pressure The connector of sensor is connected by cold-pressing assembly mode.
8. canister pipeline assembly as described in claim 1, which is characterized in that further include the warning device being connect with the ECU, The ECU is used to control the warning device work when the pressure data is less than the threshold pressure.
9. canister pipeline assembly as claimed in claim 8, which is characterized in that the warning device is LED light or buzzer.
10. a kind of automobile, which is characterized in that including the canister pipeline assembly described in claim 1 to 9 any one.
CN201820047801.7U 2018-01-11 2018-01-11 Canister pipeline assembly and automobile Active CN207989173U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820047801.7U CN207989173U (en) 2018-01-11 2018-01-11 Canister pipeline assembly and automobile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820047801.7U CN207989173U (en) 2018-01-11 2018-01-11 Canister pipeline assembly and automobile

Publications (1)

Publication Number Publication Date
CN207989173U true CN207989173U (en) 2018-10-19

Family

ID=63819253

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820047801.7U Active CN207989173U (en) 2018-01-11 2018-01-11 Canister pipeline assembly and automobile

Country Status (1)

Country Link
CN (1) CN207989173U (en)

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