CN202325940U - Engine fuel pressure alarm system - Google Patents
Engine fuel pressure alarm system Download PDFInfo
- Publication number
- CN202325940U CN202325940U CN2011203498487U CN201120349848U CN202325940U CN 202325940 U CN202325940 U CN 202325940U CN 2011203498487 U CN2011203498487 U CN 2011203498487U CN 201120349848 U CN201120349848 U CN 201120349848U CN 202325940 U CN202325940 U CN 202325940U
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- China
- Prior art keywords
- fuel
- oil
- pressure
- pressure transducer
- filter
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- Expired - Fee Related
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Abstract
The utility model discloses an engine fuel pressure alarm system which comprises a fuel tank, a fuel coarse strainer, a fuel fine strainer, a fuel conveying pump, a fuel injector, a main controller, a display, a GPS (Global Positioning System) antenna and three pressure sensors, wherein the output end of the fuel tank is communicated with the input end of the fuel coarse strainer by a first pressure sensor; the output end of the fuel coarse strainer is communicated with the input end of the fuel fine strainer by a second pressure sensor; the output end of the fuel fine strainer is communicated with the fuel conveying pump by a third pressure sensor; lubricating diesel and residual fuel are returned back to the fuel tank via an oil return pipe; each pressure sensor is respectively connected with the input end of the main controller via a corresponding signal wire; and the output end of the main controller is respectively connected with the display and the GPS antenna. According to the utility model, whether the corresponding element is blocked is judged according to fuel conveying pressure values detected by different pressure sensors, thus maintenance time is saved, and the working efficiency is improved.
Description
Technical field
The utility model relates to a kind of Fuel Delivery System of explosive motor, and especially a kind of Fuel Delivery System that is used for the excavator DENG belongs to technical field of engineering machinery.
Background technique
The power plant of engineering machinery such as excavator, loader generally adopt diesel engine; Pass through filtering and the conveying that Fuel Delivery System is accomplished diesel oil during diesel engine work; By the requirement of the various different operating modes of diesel engine, regularly, quantitatively, the level pressure diesel oil that atomization quality is good sprays into the firing chamber with certain fuel injection characteristic, and makes itself and air mixing combustion explosion; Drive bent axle and rotate output torque, combustion gas simultaneously.The fuel delivery path is: fuel tank → fuel preliminary filter → secondary fuel oil filter → oil transfer pump → oil sprayer → fuel tank; Wherein import in the fuel oil of oil transfer pump a part and make the fuel tank that directly strile-backs after the oil lubrication, the remaining fuel oil in oil sprayer rear portion is through the return tube oil sump tank.Diesel oil earlier after fuel preliminary filter, twice filtration of secondary fuel oil filter leach the impurity in it, is sent into oil sprayer then and is sprayed into the firing chamber.Fuel preliminary filter, secondary fuel oil filter work are of a specified duration to have accumulated too much impurity, and local the obstruction taken place easily, causes the oil spout of input oil sprayer not enough, has reduced the output power of motor, influences the proper functioning of engineering machinery such as excavator, loader.Therefore need monitor the stopping state of fuel preliminary filter, secondary fuel oil filter,, avoid influencing proper functioning so that in time clean fuel preliminary filter, secondary fuel oil filter.
The Chinese invention patent Shen Qing Publication specification of application number 201010209232.X " a kind of alarm control system and method that is used for fuel oil system of excavator " discloses the supervisory system and the method for a kind of fuel preliminary filter or secondary fuel oil filter obstruction.This supervisory system has been installed a pressure transducer between secondary fuel oil filter and oil transfer pump; Adopts pressure sensor is monitored the fuel pressure of fuel transfer system in real time and information is sent to ECU (master controller); ECU transfers to display device and GPS module respectively after with information processing; The GPS module is connected with remote monitoring center, thereby monitors the oil-fired system blockage effectively and point out the user.
Though the fuel pressure that this system and method can the detection of engine fuel transfer system is sent to ECU with information, can't judge it is that the fuel tank delivery outlet stops up, or fuel preliminary filter or secondary fuel oil filter stop up, and are not easy to keep in repair, and influence working efficiency.
The model utility content
The purpose of the utility model provide a kind of simple in structure, be convenient to differentiate obturating element concrete in the fuel delivery path so that safeguard targetedly or fix a breakdown, save maintenance time.
The utility model is achieved through following technological scheme:
A kind of engine fuel pressure alarm system; Comprise fuel tank, fuel preliminary filter, secondary fuel oil filter, oil transfer pump, oil sprayer, master controller, display device, gps antenna; Also comprise three pressure transducers; Said fuel tank output terminal communicates with the input end of fuel preliminary filter through first pressure transducer; The output terminal of said fuel preliminary filter communicates with the input end of secondary fuel oil filter through second pressure transducer, and said secondary fuel oil filter output terminal communicates with oil transfer pump through the 3rd pressure transducer, and the unnecessary fuel oil that the lubricated diesel oil of oil transfer pump and oil sprayer rear portion spill is got back to fuel tank through return tube.
The purpose of the utility model can also further realize through following technical measures.
Aforesaid engine fuel pressure alarm system; Wherein said first pressure transducer, second pressure transducer, the 3rd pressure transducer link to each other with the master controller input end through corresponding signal lines respectively, and the master controller output terminal links to each other with display device and gps antenna respectively.
The utility model is between the fuel tank output terminal and fuel preliminary filter of motor fuel transfer system; Set up a pressure transducer between fuel preliminary filter and the secondary fuel oil filter respectively; In case display device demonstrates fuel pressure that single or a plurality of pressure transducers measure when surpassing the safety value of setting and reporting to the police, can be according to the warning of different pressure transducers, judgement is that fuel preliminary filter or secondary fuel oil filter or fuel tank output terminal stop up; Clean corresponding oil purifier or fuel tank output terminal targetedly; Thereby fix a breakdown, save maintenance time, increase work efficiency.
The utility model can also be handled the back with each pressure transducer information transmitted and transfer to the GPS module and the display device of remote monitoring center through gps antenna, thereby realizes remote monitoring oil-fired system blockage effectively and report the user.
Advantage of the utility model and characteristics will illustrate through the non-limitative illustration of following preferred embodiment and explain that these embodiments only provide with reference to accompanying drawing as an example.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described further.
Present embodiment is as shown in Figure 1; Comprise fuel tank 1, fuel preliminary filter 2, secondary fuel oil filter 3, oil transfer pump 4, oil sprayer 5, master controller 6, display device 7, gps antenna 8; Also comprise three pressure transducers; Fuel tank 1 output terminal communicates with the input end of fuel preliminary filter 2 through first pressure transducer 9, and the output terminal of fuel preliminary filter 2 communicates with the input end of secondary fuel oil filter 3 through second pressure transducer 10, and secondary fuel oil filter 3 output terminals communicate with oil transfer pump 4 through the 3rd pressure transducer 11; Oil sprayer 5 sprays into engine cylinder-body with fuel oil, and the unnecessary fuel oil that the lubricated diesel oil of oil transfer pump 4 and oil sprayer 5 rear portions spill is got back to fuel tank 1 through return tube.First pressure transducer 9, second pressure transducer 10, the 3rd pressure transducer 11 link to each other with master controller 6 input ends through signaling line respectively, and master controller 6 output terminals link to each other with display device 7 and gps antenna 8 respectively.
Transfer to display device 7 and gps antenna 8 respectively after the corresponding fuel transfer pressure signal that each pressure transducer detects is delivered to master controller 6 information processings, the GPS module that is sent to remote monitoring center through gps antenna 8 is for further processing.
As shown in the table, in case oil transportation channel stops up, when the detected fuel transfer pressure of single or a plurality of pressure transducers that display device 7 shows is higher than setting value,, judge the element that stops up according to three detected fuel transfer pressures of pressure transducer.
Control centre can judge according to the pressure information that three pressure transducers detect, and guides user safeguards corresponding element targetedly or fix a breakdown, and do not need one by one element to safeguard one by one, saved engineering time.
Except that the foregoing description, the utility model can also have other mode of executions, and all employings are equal to the technological scheme of replacement or equivalent transformation formation, all drop in the protection domain of the utility model requirement.
Claims (2)
1. engine fuel pressure alarm system; Comprise fuel tank, fuel preliminary filter, secondary fuel oil filter, oil transfer pump, oil sprayer, master controller, display device, gps antenna; It is characterized in that: also comprise three pressure transducers; Said fuel tank output terminal communicates with the input end of fuel preliminary filter through first pressure transducer; The output terminal of said fuel preliminary filter communicates with the input end of secondary fuel oil filter through second pressure transducer, and said secondary fuel oil filter output terminal communicates with oil transfer pump through the 3rd pressure transducer, and the unnecessary fuel oil that the lubricated diesel oil of oil transfer pump and oil sprayer rear portion spill is got back to fuel tank through return tube.
2. engine fuel pressure alarm system according to claim 1; It is characterized in that: said first pressure transducer, second pressure transducer, the 3rd pressure transducer link to each other with the master controller input end through corresponding signal lines respectively, and the master controller output terminal links to each other with display device and gps antenna respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203498487U CN202325940U (en) | 2011-09-19 | 2011-09-19 | Engine fuel pressure alarm system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203498487U CN202325940U (en) | 2011-09-19 | 2011-09-19 | Engine fuel pressure alarm system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202325940U true CN202325940U (en) | 2012-07-11 |
Family
ID=46437923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203498487U Expired - Fee Related CN202325940U (en) | 2011-09-19 | 2011-09-19 | Engine fuel pressure alarm system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202325940U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106289628A (en) * | 2016-07-29 | 2017-01-04 | 中国北方发动机研究所(天津) | A kind of pressure On-Line Dynamic Monitoring device of diesel engine fuel-firing oil supply system |
| CN107100914A (en) * | 2017-05-02 | 2017-08-29 | 广州飞机维修工程有限公司 | A kind of airline carriers of passengers is counter to push away hydraulic actuation system testboard |
-
2011
- 2011-09-19 CN CN2011203498487U patent/CN202325940U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106289628A (en) * | 2016-07-29 | 2017-01-04 | 中国北方发动机研究所(天津) | A kind of pressure On-Line Dynamic Monitoring device of diesel engine fuel-firing oil supply system |
| CN107100914A (en) * | 2017-05-02 | 2017-08-29 | 广州飞机维修工程有限公司 | A kind of airline carriers of passengers is counter to push away hydraulic actuation system testboard |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120711 Termination date: 20160919 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |