CN209569097U - Engine fuel oil system, engine and vehicle - Google Patents
Engine fuel oil system, engine and vehicle Download PDFInfo
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- CN209569097U CN209569097U CN201920037013.4U CN201920037013U CN209569097U CN 209569097 U CN209569097 U CN 209569097U CN 201920037013 U CN201920037013 U CN 201920037013U CN 209569097 U CN209569097 U CN 209569097U
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- control valve
- engine
- valve
- fuel oil
- engine fuel
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Abstract
The utility model belongs to technical field of vehicle control, and in particular to a kind of engine fuel oil system, engine and vehicle.A kind of engine fuel oil system includes safety valve and the first control valve, the safety valve is set on the oil inlet pipe of engine, the safety valve can close the oil inlet of the oil inlet pipe under the effect of the pressure of controlled air, the input terminal of first control valve is connected with the air compressor machine for providing controlled air, the output end of first control valve is connected by the first air passage with the safety valve, and the connecting line of the air compressor machine Yu the safety valve can be connected in first control valve the case where being powered.By using engine fuel oil system described in the utility model, engine and vehicle, it can be when ECU breaks down no decree engine shutdown, the closing of the oil inlet of the machine oil pipeline of engine is manually controlled by operator, make engine shutdown, avoids engine that even more serious failure occurs.
Description
Technical field
The utility model belongs to technical field of vehicle control, and in particular to a kind of engine fuel oil system and starts equipped with this
The engine of machine fuel system and vehicle equipped with the engine.
Background technique
High-power electric-control motor ECU with appellative function increase with it is highly integrated, the complexity of system also can be therewith
It improves, the failure risk in this way from Engine ECU thrashing and random hardware, software also can increasingly increase.Such as start
Machine in the process of running, ECU itself occur can not the property estimated the system failure, also just lose the control to engine, can not
Make engine cut-off, can bring about very big security risk in this way.
Utility model content
The purpose of this utility model is that solution drawbacks described above and deficiency, the purpose are achieved through the following technical solutions.
The utility model proposes a kind of engine fuel oil systems, including safety valve and the first control valve, the peace
Full valve is set on the oil inlet pipe of engine, the safety valve can under the action of air pressure by the oil inlet pipe into
Hydraulic fluid port is closed, and the input terminal of first control valve is connected with air compressor machine, and the output end of first control valve is empty by first
Gas branch is connected with the safety valve, and the air compressor machine and the safety can be connected the case where being powered in first control valve
The connecting line of valve.
Further, engine fuel oil system as described above, the safety valve is safe slide valve, in the safe slide valve
Equipped with piston, the piston can move up and down under the action of air pressure, thus the oil inlet to the oil inlet pipe
Mouth is opened or closed.
Further, engine fuel oil system as described above, first control valve are the control of two-position three-way electromagnetic formula
Valve.
Further, engine fuel oil system as described above, the engine fuel oil system further include the second control valve,
The input terminal of second control valve is connected with the drain tap of the engine, the output end and fuel tank of second control valve
Be connected, second control valve can be connected under the action of air pressure the engine drain tap and the fuel tank it
Between connecting line.
Further, the control terminal of engine fuel oil system as described above, second control valve passes through the second air
Branch is connected with the output end of first control valve, and first control valve can be the case where being powered to second control
The control terminal input air pressure of valve, thus make second control valve be connected the engine drain tap and the fuel tank
Between connecting line.
Further, engine fuel oil system as described above, second control valve are two-position three way mechanical control
Valve.
Further, engine fuel oil system as described above further includes stop button, the stop button and described the
One control valve is connected by way of electricity communication, and the stop button can control the first control valve conducting.
The utility model also proposed a kind of engine, and the engine includes engine fuel oil system described above.
The utility model also proposed a kind of vehicle, and the vehicle includes stop button and engine described above, institute
It states stop button and is connected by way of electricity communication with first control valve, the stop button can control described first
Control valve conducting, the stop button are set in the drivers' cab of the vehicle.
By using engine fuel oil system described in the utility model, engine and vehicle, event can occur in ECU
When barrier is without decree engine shutdown, the conducting of the air pipe line between air compressor machine and safety valve is manually controlled by operator, from
And the closing of the oil inlet of the machine oil pipeline of engine is controlled, make engine shutdown, avoids engine that even more serious event occurs
Barrier.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as practical to this
Novel limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.
Fig. 1 is theory structure schematic diagram of the utility model embodiment in engine work；
Fig. 2 is theory structure schematic diagram of the utility model embodiment when stopping in emergency；
Each label is expressed as follows in attached drawing:
10: safety valve；
20: the first control valves；
30: the second control valves；
41: the first air passages, 42: the second air passages.
Specific embodiment
The illustrative embodiments of the disclosure are more fully described below with reference to accompanying drawings.Although showing this public affairs in attached drawing
The illustrative embodiments opened, it being understood, however, that may be realized in various forms the disclosure without the reality that should be illustrated here
The mode of applying is limited.It is to be able to thoroughly understand the disclosure on the contrary, providing these embodiments, and can be by this public affairs
The range opened is fully disclosed to those skilled in the art.
It should be understood that term used herein merely for description particular example embodiment purpose, and have no intention into
Row limitation.Unless the context clearly indicates otherwise, otherwise singular " one " as used in the text, "one" and " described "
Can also indicate to include plural form.The terms "include", "comprise", " containing " and " having " are inclusives, and therefore
It indicates the presence of stated feature, step, operations, elements, and/or components, but presence or addition one or more is not precluded
A other feature, step, operation, component, assembly unit, and/or their combination.Method and step, process, the Yi Jicao of described in the text
It is not interpreted as that them is necessarily required to execute with described or explanation particular order, executes sequence unless explicitly stated otherwise.Also answer
The step of working as understanding, can be used additionally or alternatively.
Although can be described in the text using term first, second, third, etc. multiple element, component, region, layer and/
Or section, still, these component, assembly units, region, layer and/or section should not be limited by these terms.These terms can be only
For a component, assembly unit, region, layer or section are distinguished with another region, layer or section.Unless context clearly refers to
Out, do not implied that when otherwise the term and other numerical terms of such as " first ", " second " etc use in the text sequence or
Person's order.Therefore, first element discussed below, component, region, layer or section are in the introduction for not departing from example embodiment
In the case of can be referred to as second element, component, region, layer or section.
For ease of description, an element as illustrated in the diagram can be described use space relativeness term in the text
Either feature is relative to another element or the relationship of feature, these relativeness terms are, for example, " inside ", " outside ", " interior
Side ", " outside ", " following ", " lower section ", " above ", " top " etc..This spatial correlation term is intended to include removing to retouch in figure
The different direction of device in use or operation except the orientation drawn.For example, being retouched if the device in figure is overturn
State that either the element " below other elements or feature " then will be orientated " In for " below other elements or feature "
Above other elements or feature " either " above other elements or feature ".Therefore, exemplary term " in ... lower section " can
To include in orientation upper and under.In addition device can be oriented and (be rotated by 90 ° or in other directions) and used herein
Spatial correlation descriptor correspondingly explains.
Fig. 1 is theory structure schematic diagram of the utility model embodiment in engine work.Fig. 2 is that this is practical new
Theory structure schematic diagram of the type embodiment when stopping in emergency.As depicted in figs. 1 and 2, the engine fuel system in the present embodiment
System includes safety valve 10, the first control valve 20 and the second control valve 30.Wherein, safety valve 10 is set to the oil inlet pipe of engine
On, safety valve 10 can close the oil inlet of oil inlet pipe under the action of air pressure.The input terminal of first control valve 20
It is connected with air compressor machine, the output end of the first control valve 20 is connected by the first air passage 41 with safety valve 10, the first control valve
20 can be connected the connecting line of air compressor machine and safety valve 10 in the case where energization, thus the air of the offer by air compressor machine
Pressure closes the oil inlet of oil inlet pipe.The input terminal of second control valve 30 is connected with the drain tap of engine, the second control
The output end of valve 30 is connected with fuel tank, and the drain tap of engine can be connected in the second control valve 30 under the action of air pressure
Connecting line between fuel tank, thus in the case where the oil inlet of the fuel pipe of engine is closed, it will be in engine
Fuel oil by 30 oil return to fuel tank of the second control valve.
By using engine fuel oil system described in the utility model, can start in ECU no decree that breaks down
When machine stops, the conducting of the air pipe line between air compressor machine and safety valve is manually controlled by operator, to control engine
Machine oil pipeline oil inlet closing, make engine shutdown, avoid engine that even more serious failure occurs.
Further, in this embodiment safety valve 10 be safe slide valve.It is equipped with piston in safe slide valve, piston can be
It is moved up and down under the action of air pressure, so that the oil inlet to oil inlet pipe opens or closes.
Further, in this embodiment the first control valve 20 be two-position three-way electromagnetic formula control valve, the second control valve 30
For two-position three way mechanical control valve.
Further, in this embodiment the control terminal of the second control valve 30 controlled by the second air passage 42 with first
The output end of valve 20 is connected, and the first control valve 20 can be the case where being powered to the control terminal input air pressure of the second control valve 30
Power, to make the connecting line between the drain tap and fuel tank of the second control valve 30 conducting engine, to engine interior
Fuel oil carries out draining.
Further, in this embodiment engine fuel oil system further include stop button.Stop button is set to drivers' cab
It is interior, facilitate operator to carry out shutdown operation when vehicle breaks down.It can be to the first control valve by pressing stop botton
20 are connected, so that the pressure air effect that air compressor machine is provided closes safety valve 10 on safety valve 10, engine
The oil inlet of fuel pipe is closed, and makes engine by forced-stopping machine.
Fig. 1 is theory structure schematic diagram of the utility model embodiment in engine work.As shown in Figure 1, its
In, arrow direction indicates the circulating direction of fuel oil or pressure air, and when engine work, safety valve 10, first is controlled
The working position of device 20 and second controller 30 is as shown in Figure 1, at this point, the first air passage 41 between air compressor machine and safety valve 10
It does not turn on, the second air passage 42 between air compressor machine and the second control valve 30 does not turn on, and the oil inlet pipe of engine is normally led
It is logical, and in-engine fuel oil cannot flow back to fuel tank by drain tap.
Fig. 2 is theory structure schematic diagram of the utility model embodiment when stopping in emergency.As shown in Fig. 2, working as engine
When significant trouble occurs for ECU, operator is manually pressed by stop button, the first control valve 20 it is electric after, control air is led
It is logical.A portion air is acted on safety valve 10 by the first controlling brancher 41, makes the piston overpowers bullet in safety valve 10
The active force of spring moves down, and cuts off the oil inlet pipe of engine, so that engine oil-break be forced to stop.Another part air is logical
It crosses the second controlling brancher 42 to act on the second control valve 30, to make drain tap and the combustion of the second control valve 30 conducting engine
Fuel pipe between fuel tank carries out draining to the inside of engine.Significant trouble occurs in ECU so as to avoid engine
In the case of continue to run, can be to avoid the generation of peril.
Further, the utility model also proposed a kind of engine, which includes the engine in the present embodiment
Fuel system.
Further, the utility model also proposed a kind of vehicle, and it includes engine combustion in the present embodiment which, which is equipped with,
The engine of oil system, the vehicle further include the stop button for passing through electric communication connection in the present embodiment with the first control valve, are stopped
Vehicle button is set in the drivers' cab of vehicle.
By using engine fuel oil system described in the utility model, engine and vehicle, event can occur in ECU
When barrier is without decree engine shutdown, the conducting of the air pipe line between air compressor machine and safety valve is manually controlled by operator, from
And the closing of the oil inlet of the machine oil pipeline of engine is controlled, make engine shutdown, avoids engine that even more serious event occurs
Barrier.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in
Change or replacement, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with
Subject to the scope of protection of the claims.
Claims (9)
1. a kind of engine fuel oil system, which is characterized in that including safety valve and the first control valve, the safety valve, which is set to, to be started
On the oil inlet pipe of machine, the safety valve can be closed the oil inlet of the oil inlet pipe under the effect of the pressure of controlled air
It closes, the input terminal of first control valve is connected with the air compressor machine for providing controlled air, the output of first control valve
End is connected by the first air passage with the safety valve, and the pneumatics can be connected the case where being powered in first control valve
The connecting line of machine and the safety valve.
2. engine fuel oil system according to claim 1, which is characterized in that the safety valve is safe slide valve, described
Piston is equipped in safe slide valve, the piston can move up and down under the effect of the pressure of controlled air, thus to described
The oil inlet of oil inlet pipe is opened or closed.
3. engine fuel oil system according to claim 1, which is characterized in that first control valve is two-position three way electricity
Magnetic-type control valve.
4. engine fuel oil system described in any one of claim 1 to 3, which is characterized in that the engine fuel
System further includes the second control valve, and the input terminal of second control valve is connected with the drain tap of the engine, and described second
The output end of control valve is connected with fuel tank, and the hair can be connected under the effect of the pressure of controlled air in second control valve
Connecting line between the drain tap of motivation and the fuel tank.
5. engine fuel oil system according to claim 4, which is characterized in that the control terminal of second control valve passes through
Second air passage is connected with the output end of first control valve, and first control valve can be the case where being powered to described
The control terminal of second control valve inputs controlled air.
6. engine fuel oil system according to claim 5, which is characterized in that second control valve is two-position three way machine
Tool formula control valve.
7. engine fuel oil system described in any one of claim 1 to 3, which is characterized in that it further include stop button,
The stop button and first control valve are connected by way of electricity communication, and the stop button can control described the
The conducting of one control valve.
8. a kind of engine, which is characterized in that including engine fuel oil system described in any one of the claims 1~7.
9. a kind of vehicle, which is characterized in that including stop button and engine according to any one of claims 8, the stop button with
First control valve is connected by way of electricity communication, and the stop button can control the first control valve conducting,
The stop button is set in the drivers' cab of the vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920037013.4U CN209569097U (en) | 2019-01-09 | 2019-01-09 | Engine fuel oil system, engine and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920037013.4U CN209569097U (en) | 2019-01-09 | 2019-01-09 | Engine fuel oil system, engine and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209569097U true CN209569097U (en) | 2019-11-01 |
Family
ID=68331744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920037013.4U Active CN209569097U (en) | 2019-01-09 | 2019-01-09 | Engine fuel oil system, engine and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209569097U (en) |
-
2019
- 2019-01-09 CN CN201920037013.4U patent/CN209569097U/en active Active
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