CN109882329A - A kind of fuel system of tape jam diagnosis and detection function - Google Patents
A kind of fuel system of tape jam diagnosis and detection function Download PDFInfo
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- CN109882329A CN109882329A CN201910247531.3A CN201910247531A CN109882329A CN 109882329 A CN109882329 A CN 109882329A CN 201910247531 A CN201910247531 A CN 201910247531A CN 109882329 A CN109882329 A CN 109882329A
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- alarm
- fuel tank
- oil
- pipe
- fuel
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Abstract
The present invention relates to diesel fuel system technical fields, the fuel system of especially a kind of tape jam diagnosis and detection function, including fuel tank, oil injection mechanism and alarm mechanism, fuel tank is connected by oil return pipe with several oil injection mechanisms, oil return general pipeline connection is leaked by high-pressure oil pipe between oil injection mechanism and alarm mechanism, alarm mechanism connects fuel tank by alarm fuel tank drain line, oil injection mechanism includes injection pump, fuel injector, double-layer high-pressure oil pipe and high-pressure oil pipe leak branch pipe, alarm mechanism includes the alarm fuel tank for collecting leakage oil return, socket cock and sensor.The present invention can prevent high-pressure oil pipe from splitting in leakage after-burning oil spurts to exhaust pipe to the greatest extent, and leakage oil return can be collected, rapidly find high-pressure oil pipe splits leakage failure, prevent the generation of fire, control system is passed to by the information that cracking or leakage can be occurred for high-pressure oil pipe by sensor, to protect in time, reduces caused by the contingencies such as fire occur and lose.
Description
Technical field
The present invention relates to diesel fuel system technical field, the fuel oil of especially a kind of tape jam diagnosis and detection function
System.
Background technique
Fuel system is usually made of components such as injection pump, fuel filter, fuel injectors, and main function is according to Operation Conditions
Needs, supply a certain number of, clean, wellatomized diesel oil, it is flammable to be mixed to form with a certain number of air
Gaseous mixture, to guarantee the required fuel flow under various working conditions.
Diesel fuel system is made of high-pressure fuel oil system and low pressure fuel system, wherein including injection pump oil inlet and oil return pipe
Road, injection pump, the components such as fuel injector, high-pressure oil pipe, secondary fuel oil filter and pressure regulator valve, and complete the fuel feeding of diesel engine jointly, return
The functions such as oil, filtering, this type fuel system is in diesel engine operational process, if cracking or leakage occur for high-pressure oil pipe, no
It can find or protect in time, fire will be caused.
Summary of the invention
In order to overcome the shortcomings of existing diesel fuel system, the present invention provides a kind of diagnosis of tape jam and detection function
The fuel system of energy.
The technical solution adopted by the present invention to solve the technical problems is: the fuel oil of a kind of diagnosis of tape jam and detection function
System, including fuel tank, oil injection mechanism and alarm mechanism, the fuel tank are connected by oil return pipe with several oil injection mechanisms,
Oil return general pipeline connection is leaked by high-pressure oil pipe between the oil injection mechanism and alarm mechanism, the alarm mechanism passes through alarm oil
Case drain line connects fuel tank, and the oil injection mechanism includes injection pump, fuel injector, double-layer high-pressure oil pipe and high-pressure oil pipe leakage branch
Pipe, described double-layer high-pressure oil pipe one end are provided with fuel injector, and the other end is provided with injection pump, is arranged on the double-layer high-pressure oil pipe
There is the high-pressure oil pipe connected with high-pressure oil pipe leakage oil return general pipeline to leak branch pipe, the alarm mechanism includes leaking back to for collecting
The alarm fuel tank of oil sockets cock and sensor, and the sensor setting is in alarm fuel tank, the alarm fuel tank side setting
There is the alarm tank drainback pipe connected with alarm fuel tank drain line, is provided on the alarm fuel tank drain line and sockets cock.
It according to another embodiment of the invention, further comprise several oil injection mechanisms for one or more oil-injection machines
Structure.
It according to another embodiment of the invention, further comprise that oil return pipe one end is connected with fuel tank, other end connection
There are injection pump and fuel injector.
It according to another embodiment of the invention, further comprise that alarm fuel tank drain line one end is connected with fuel tank, separately
One end is connected with alarm fuel tank.
It according to another embodiment of the invention, further comprise that sensor passes through alarm signal feedback line and electronics control
Unit connection processed.
It according to another embodiment of the invention, further comprise socketing cock setting to return in alarm fuel tank and alarm fuel tank
Between oil pipe and the junction for fuel tank drain line of alarming.
According to another embodiment of the invention, further comprise sensor be liquid level float sensor.
The beneficial effects of the present invention are: the present invention can prevent high-pressure oil pipe from splitting leakage after-burning oil spurts to row to the greatest extent
On tracheae, and leakage oil return can be collected, rapidly find high-pressure oil pipe splits leakage failure, prevents the generation of fire, passes through biography
Cracking can be occurred for high-pressure oil pipe by sensor or the information of leakage passes to control system, to protect in time, reduce fire etc.
Contingency is lost caused by occurring.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is structural schematic diagram of the invention.
1, fuel tank in figure, 2, alarm fuel tank drain line, 3, socket cock, 4, alarm tank drainback pipe, 5, alarm fuel tank,
6, sensor, 7, alarm signal feedback line, 8, high-pressure oil pipe leakage oil return general pipeline, 9, fuel injector, 10, double-layer high-pressure oil pipe,
11, injection pump, 12, high-pressure oil pipe leakage branch pipe, 13, oil spout oil return pipe, 14, electronic control unit.
Specific embodiment
If Fig. 1 is structural schematic diagram of the invention, the fuel system of a kind of diagnosis of tape jam and detection function, including fuel oil
Case 1, oil injection mechanism and alarm mechanism, the fuel tank 1 are connected by oil spout oil return pipe 13 with several oil injection mechanisms, the spray
The connection of oil return general pipeline 8 is leaked by high-pressure oil pipe between oil machine structure and alarm mechanism, the alarm mechanism is put by fuel tank of alarming
Oil pipe 2 connects fuel tank 1, and the oil injection mechanism includes that injection pump 11, fuel injector 9, double-layer high-pressure oil pipe 10 and high-pressure oil pipe are let out
Branch pipe 12 is leaked, described 10 one end of double-layer high-pressure oil pipe is provided with fuel injector 9, and the other end is provided with injection pump 11, described double-deck high
It is provided on pressuring oil pipe 10 and leaks branch pipe 12, the alarm mechanism with the high-pressure oil pipe of the high-pressure oil pipe leakage connection of oil return general pipeline 8
Including for collecting leakage oil return alarm fuel tank 5, socket cock 3 and sensor 6, the setting of sensor 6 is in alarm fuel tank 5
It is interior, it is described alarm 5 side of fuel tank be provided with and alarm fuel tank drain line 2 connect alarm tank drainback pipe 4, the alarm fuel tank
It is provided on drain line 2 and sockets cock 3, the present invention can prevent high-pressure oil pipe from splitting leakage after-burning oil spurts to exhaust to the greatest extent
Guan Shang, and leakage oil return can be collected, rapidly find high-pressure oil pipe splits leakage failure, prevents the generation of fire, passes through sensing
Cracking can be occurred for high-pressure oil pipe by device 6 or the information of leakage passes to control system, to protect in time, reduce the meaning such as fire
Outer accident is lost caused by occurring.
Several described oil injection mechanisms are one or more oil injection mechanisms, described 13 one end of oil spout oil return pipe and fuel tank 1
Connection, the other end are connected with injection pump 11 and fuel injector 9, and described 2 one end of alarm fuel tank drain line and fuel tank 1 connect, another
End and alarm fuel tank 5 connect, and the sensor 6 is connected by alarm signal feedback line 7 and electronic control unit 14, the drawing
It connects cock 3 alarm fuel tank 5 is arranged in and alarms between tank drainback pipe 4 and the junction for fuel tank drain line 2 of alarming, the sensing
Device 6 is liquid level float sensor.
Working principle: in diesel engine operation, fuel oil fuel feeding from fuel tank 1 is supplied to diesel engine by fuel filter
To injection pump 11, high pressure fuel is provided to fuel injector 9, if the inner tube of double-layer high-pressure oil pipe 10 occurs through double-layer high-pressure oil pipe 10
Leakage is split, fuel oil can smoothly return to high-pressure oil pipe bottom due to there is the protection of 10 outer tube of double-layer high-pressure oil pipe, and pass through high pressure oil
Pipe leakage branch pipe 12 is pooled in high-pressure oil pipe leakage oil return general pipeline 8, is finally pooled in alarm fuel tank 5, when alarm fuel tank 5 is received
When the leakage fuel oil of collection reaches the warning groove of design, sensor 6 can generate alarm signal and by alarm signal feedback line 7
It is timely fed back to diesel engine control system, meanwhile, the liquid-level switch in fuel tank 5 of alarming can be opened, and the fuel oil of leakage can pass through report
Alert tank drainback pipe 4 summarizes with alarm fuel tank drain line 2, is then return in fuel tank 1, in general, sockets cock 3
It is in close state.
This fuel system layout is simple, and the operation is stable safety is designed improvement for common fuel system and is easy, no
It can be related to biggish change, and the application of this fuel system, can greatly reduce due to the splitting leakage of high-pressure oil pipe and draw
The fire of hair improves the safety of diesel engine operation.
Described above to be merely exemplary for the purpose of the present invention, and not restrictive, those of ordinary skill in the art understand,
In the case where not departing from spirit and scope as defined in the appended claims, many modifications, variation or equivalent can be made, but all
It will fall within the scope of protection of the present invention.
Claims (7)
1. the fuel system of a kind of tape jam diagnosis and detection function, characterized in that including fuel tank (1), oil injection mechanism and report
Alert mechanism, the fuel tank (1) are connected by oil spout oil return pipe (13) with several oil injection mechanisms, the oil injection mechanism and alarm
By high-pressure oil pipe leakage oil return general pipeline (8) connection between mechanism, the alarm mechanism passes through alarm fuel tank drain line (2) connection
Fuel tank (1), the oil injection mechanism include injection pump (11), fuel injector (9), double-layer high-pressure oil pipe (10) and high-pressure oil pipe leakage
Branch pipe (12), described double-layer high-pressure oil pipe (10) one end are provided with fuel injector (9), and the other end is provided with injection pump (11), described
High-pressure oil pipe leakage branch pipe (12) with high-pressure oil pipe leakage oil return general pipeline (8) connection is provided on double-layer high-pressure oil pipe (10),
The alarm mechanism includes for collecting the alarm fuel tank (5) of leakage oil return, socketing cock (3) and sensor (6), the sensing
Device (6) setting alarm fuel tank (5) in, it is described alarm fuel tank (5) side be provided with and alarm fuel tank drain line (2) connect report
It warns tank drainback pipe (4), is provided on the alarm fuel tank drain line (2) and sockets cock (3).
2. the fuel system of a kind of tape jam diagnosis according to claim 1 and detection function, characterized in that described several
A oil injection mechanism is one or more oil injection mechanisms.
3. the fuel system of a kind of tape jam diagnosis according to claim 1 and detection function, characterized in that the oil spout
Oil return pipe (13) one end and fuel tank (1) connection, the other end are connected with injection pump (11) and fuel injector (9).
4. the fuel system of a kind of tape jam diagnosis according to claim 1 and detection function, characterized in that the alarm
Fuel tank drain line (2) one end and fuel tank (1) connection, the other end and alarm fuel tank (5) connection.
5. the fuel system of a kind of tape jam diagnosis according to claim 1 and detection function, characterized in that the sensing
Device (6) is connected by alarm signal feedback line (7) and electronic control unit (14).
6. the fuel system of a kind of tape jam diagnosis according to claim 1 and detection function, characterized in that described to socket
Cock (3) setting is in alarm fuel tank (5) and alarms tank drainback pipe (4) between the junction of alarm fuel tank drain line (2).
7. the fuel system of a kind of tape jam diagnosis according to claim 1 and detection function, characterized in that the sensing
Device (6) is liquid level float sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910247531.3A CN109882329A (en) | 2019-03-29 | 2019-03-29 | A kind of fuel system of tape jam diagnosis and detection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910247531.3A CN109882329A (en) | 2019-03-29 | 2019-03-29 | A kind of fuel system of tape jam diagnosis and detection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109882329A true CN109882329A (en) | 2019-06-14 |
Family
ID=66935088
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910247531.3A Pending CN109882329A (en) | 2019-03-29 | 2019-03-29 | A kind of fuel system of tape jam diagnosis and detection function |
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| Country | Link |
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| CN (1) | CN109882329A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114151258A (en) * | 2021-12-08 | 2022-03-08 | 一汽解放汽车有限公司 | Oil injector oil return fault diagnosis method, fuel system and internal combustion engine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5819708A (en) * | 1996-01-23 | 1998-10-13 | C.R.F. Societa Consortile Per Azioni | Fuel retaining and collecting structure for an internal combustion engine high-pressure injection system |
| CN204476613U (en) * | 2015-03-16 | 2015-07-15 | 南车戚墅堰机车有限公司 | Injection Pump oil return gathering-device |
| CN107676205A (en) * | 2017-09-30 | 2018-02-09 | 河北华北柴油机有限责任公司 | A kind of engine oil tube leakage protection system |
| CN209761596U (en) * | 2019-03-29 | 2019-12-10 | 中车戚墅堰机车有限公司 | Fuel oil system with fault diagnosis and detection functions |
-
2019
- 2019-03-29 CN CN201910247531.3A patent/CN109882329A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5819708A (en) * | 1996-01-23 | 1998-10-13 | C.R.F. Societa Consortile Per Azioni | Fuel retaining and collecting structure for an internal combustion engine high-pressure injection system |
| CN204476613U (en) * | 2015-03-16 | 2015-07-15 | 南车戚墅堰机车有限公司 | Injection Pump oil return gathering-device |
| CN107676205A (en) * | 2017-09-30 | 2018-02-09 | 河北华北柴油机有限责任公司 | A kind of engine oil tube leakage protection system |
| CN209761596U (en) * | 2019-03-29 | 2019-12-10 | 中车戚墅堰机车有限公司 | Fuel oil system with fault diagnosis and detection functions |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114151258A (en) * | 2021-12-08 | 2022-03-08 | 一汽解放汽车有限公司 | Oil injector oil return fault diagnosis method, fuel system and internal combustion engine |
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