CN204152587U - For the lubricant oil control system of fuel engine power generation unit - Google Patents
For the lubricant oil control system of fuel engine power generation unit Download PDFInfo
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- CN204152587U CN204152587U CN201420569151.4U CN201420569151U CN204152587U CN 204152587 U CN204152587 U CN 204152587U CN 201420569151 U CN201420569151 U CN 201420569151U CN 204152587 U CN204152587 U CN 204152587U
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Abstract
The utility model discloses a kind of lubricant oil control system for fuel engine power generation unit, comprise oil tank, oil tank is communicated with mechanical pump, mechanical pump is communicated with combustion engine bearing through lube pipe, oil tank is also communicated with direct current auxiliary oil pump, and direct current auxiliary oil pump is in parallel with mechanical pump to be communicated to lube pipe; Direct current auxiliary oil pump is provided with the direct current power supply loop for powering for direct current auxiliary oil pump, and lube pipe is provided with the pressure transducer for detecting lubricating oil pressure on lube pipe; Pressure transducer is connected with controller, and controller controls the power supply break-make of direct current auxiliary oil pump according to the pressure signal of pressure transducer.Before the utility model both can realize work easily, direct current auxiliary oil pump patrols and examines, the fault avoiding direct current auxiliary oil pump is started the emergent lubricating oil caused and is caused deficiency, and the work of direct current auxiliary oil pump is controlled by detecting lubricating oil pressure, improve lubricant oil control system reliability of operation and accuracy.
Description
Technical field
The utility model relates to combustion engine control field, especially, relates to a kind of lubricant oil control system for fuel engine power generation unit.
Background technique
In fuel engine power generation unit, combustion engine is high-speed rotating equipment, and its rotor adopts sliding bearing, during full speed running by the mechanical pump of combustion engine transmission for bearing provides the lubricant oil of certain pressure and flow, to play the effect of lubrication and cooling to rotor bearing.But mechanical pump is when combustion engine starts and stop, exert oneself not, need startup to exchange auxiliary lubricating oil pump, to maintain certain lubricating oil pressure and flow.And emergent direct current oil pump is happening suddenly under emergency for combustion engine; under mainly exchanging dead electricity situation; ensure to provide certain pressure and flow lubricant oil to protect combustion engine for combustion engine, reduce the injury to critical component, emergent direct current oil pump should be able to put into operation immediately under various emergency situations.
Therefore in existing combustion engine control, combustion engine, in starting and docking process, should start interchange auxiliary oil pump, with before the mechanical pump of combustion engine does not reach nominal operating conditions, for combustion engine provides lubricant oil.And general when low-voltage AC is because of fault outage, emergent direct current oil pump need be dropped into, to ensure that combustion engine can obtain enough lubricant oil when orderly shutdown.But existing combustion engine controls to there is following defect:
1, AC motor runs well, and when oil pump fault is assisted in its interchange driven, shows as oil pressure rapid drawdown, but does not drop into emergency oil parallel connection of pumps and run, and to maintain fuel feeding, ensures combustion engine emergency;
2, before combustion engine ready to start, emergent direct current oil pump oil and current supply circuit are not patrolled and examined, check emergent direct current oil pump whether fault and cannot opening in advance, need when combustion engine is stopped in emergency start emergent oil pump and cannot start, there is great risk;
3, not chain with fire signal, when having the condition of a fire, AC electric equipment is for ensureing that safety all will by control system shutdown power supply, it is also that automatic emergency stops that combustion engine meets the condition of a fire, and now, combustion engine is stopped, but bearing temperature still can be very high, do not start emergent direct current oil pump in time, bearing fuel feeding is cooled.
4, emergent direct current oil pump is by storage battery power supply; generally when oil pump can be stopped by operator's artificial judgment; in emergency shutdown situation; the instrument wind system of possible combustion engine can not provide enough air sealing glands in case on-slip oil enters combustion engine inside for combustion engine bearing because of the system failure; operator may forget stopping oil pump; and in fact bearing temperature has been cooled to guard wire, thus cause lubricating oil to enter combustion engine inside in a large number, there is risk.
Model utility content
The utility model object is to provide a kind of lubricant oil control system for fuel engine power generation unit, to solve the complex structure of the oil pump of the lubricating oil control system of existing combustion engine fuel engine power generation unit and the low technical problem of reliability.
For achieving the above object, the technical solution adopted in the utility model is as follows:
For a lubricant oil control system for fuel engine power generation unit, lubricant oil control system comprises oil tank, and oil tank is communicated with the mechanical pump for the lubricating oil in oil tank being passed to combustion engine bearing place, and mechanical pump is communicated with combustion engine bearing through lube pipe,
Oil tank is also communicated with direct current auxiliary oil pump, and direct current auxiliary oil pump is in parallel with mechanical pump to be communicated to lube pipe;
Direct current auxiliary oil pump is provided with the direct current power supply loop for powering for direct current auxiliary oil pump, and lube pipe is provided with the pressure transducer for detecting lubricating oil pressure on lube pipe;
Pressure transducer is connected with controller, and controller controls the power supply break-make of direct current auxiliary oil pump according to the pressure signal of pressure transducer.
Further, this lubricant oil control system also comprise be communicated with oil tank exchange auxiliary oil pump, exchange auxiliary oil pump in parallel with mechanical pump and direct current auxiliary oil pump after be communicated to lube pipe.
Further, interchange auxiliary oil pump connects the ac power supply circuit that promising AC auxiliary helps oil pump to power, the break-make of ac power supply circuit is chain to cut off ac power supply circuit when detector detects fire signal with the detector of the fire signal for detecting fuel engine power generation unit, detector connection control device, controller is devoted oneself to work according to the fire signal control direct current auxiliary oil pump of detector is emergent.
Further, combustion engine bearing place is provided with the hygrosensor for detecting combustion engine bearing place temperature, and hygrosensor is connected with controller, and controller controls the work of direct current auxiliary oil pump according to the temperature signal that hygrosensor detects.
Further, lube pipe is metallic hose.
Further, the first safety check is provided with between mechanical pump and lube pipe.
Further, the second safety check is provided with between direct current auxiliary oil pump and lube pipe.
Further, exchange between auxiliary oil pump and lube pipe and be provided with the 3rd safety check.
The utility model has following beneficial effect:
The utility model is used for the lubricant oil control system of fuel engine power generation unit, by arranging the direct current auxiliary oil pump in parallel with mechanical pump, and the direct current power supply loop of direct current auxiliary oil pump is controlled by controller, controller is connected with the pressure transducer detecting lubricating oil pressure on lube pipe, the pressure signal detected by receiving pressure transducer controls the work of direct current auxiliary oil pump, both before can realizing work easily, direct current auxiliary oil pump patrols and examines, the fault avoiding direct current auxiliary oil pump is started the emergent lubricating oil caused and is caused deficiency, and the work of direct current auxiliary oil pump is controlled by detecting lubricating oil pressure, improve lubricant oil control system reliability of operation and accuracy.
Except object described above, feature and advantage, the utility model also has other object, feature and advantage.Below with reference to figure, the utility model is described in further detail.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of the utility model preferred embodiment lubricant oil control system; And
Fig. 2 is another structural representation of the utility model preferred embodiment lubricant oil control system.
Description of reference numerals:
10, oil tank; 20, mechanical pump; 30, lube pipe;
40, direct current auxiliary oil pump; 41, direct current power supply loop; 50, pressure transducer;
60, auxiliary oil pump is exchanged; 61, ac power supply circuit; 70, detector;
80, hygrosensor; 90, combustion engine bearing.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
With reference to Fig. 1 and Fig. 2, preferred embodiment of the present utility model provides a kind of lubricant oil control system for fuel engine power generation unit, this lubricant oil control system comprises oil tank 10, oil tank 10 is communicated with the mechanical pump 20 for the lubricating oil in oil tank 10 being passed to combustion engine bearing 90 place, mechanical pump 20 is communicated with combustion engine bearing 90 through lube pipe 30, the improvements of the present embodiment are: oil tank 10 is also communicated with direct current auxiliary oil pump 40, and direct current auxiliary oil pump 40 is in parallel with mechanical pump 20 to be communicated to lube pipe 30; Direct current auxiliary oil pump 40 is provided with the direct current power supply loop 41 for powering for direct current auxiliary oil pump 40, and lube pipe 30 is provided with the pressure transducer 50 for detecting lubricating oil pressure on lube pipe 30; Pressure transducer 50 is connected with controller (not shown), and controller controls the power supply break-make of direct current auxiliary oil pump 40 according to the pressure signal of pressure transducer 50.
The present embodiment lubricant oil control system is before combustion engine ready to start, controller is first utilized to patrol and examine direct current auxiliary oil pump 40, to judge whether direct current auxiliary oil pump 40 breaks down, only guarantee that direct current auxiliary oil pump 40 is in normal state, just carry out the start-up function of combustion engine, thus stopped the risk of starting combustion engine under auxiliary oil pump fault condition, decrease and supply without emergent lubricating oil the combustion engine damage caused.The process of patrolling and examining of the present embodiment direct current auxiliary oil pump 40 is as follows: before combustion engine ready to start, controller controls direct current power supply loop 41 conducting, according to the pressure signal that pressure transducer 50 detects, controller judges that whether direct current auxiliary oil pump 40 is normal, if detect, the pressure signal that pressure transducer 50 detects reaches predetermined threshold, after then judging direct current power supply loop 41 conducting, direct current auxiliary oil pump 40 is working properly, can carry out follow-up combustion engine start-up function.And the present embodiment lubricant oil control system, after combustion engine is started, controller controls the power supply break-make of direct current auxiliary oil pump 40 according to the pressure signal that the pressure transducer 50 received detects, have effectively achieved mechanical pump 20 when the very low lubricating oil caused of combustion engine rotating speed is not enough, by the effective supply lubricating oil of the work of direct current auxiliary oil pump 40.
The present embodiment is by arranging the direct current auxiliary oil pump 40 in parallel with mechanical pump 20, and the direct current power supply loop 41 of direct current auxiliary oil pump 40 is controlled by controller, controller is connected with the pressure transducer 50 detecting lubricating oil pressure on lube pipe 30, the pressure signal detected by receiving pressure transducer 50 controls the work of direct current auxiliary oil pump 40, both before can realizing work easily, direct current auxiliary oil pump 40 patrols and examines, the fault avoiding direct current auxiliary oil pump 40 is started the emergent lubricating oil caused and is caused deficiency, and the work of direct current auxiliary oil pump 40 is controlled by detecting lubricating oil pressure, improve lubricant oil control system reliability of operation and accuracy.
In the present embodiment, preferably, this lubricant oil control system also comprise be communicated with oil tank 10 exchange auxiliary oil pump 60, exchange auxiliary oil pump 60 in parallel with mechanical pump 20 and direct current auxiliary oil pump 40 after be communicated to lube pipe 30.Adopt such structure, can realize exchanging auxiliary oil pump 60 with the common supply lubricating oil of direct current auxiliary oil pump 40 to combustion engine bearing 90, raising lubricant oil control system reliability of operation and accuracy further.
In the present embodiment, alternatively, interchange auxiliary oil pump 60 connects the ac power supply circuit 61 that promising AC auxiliary helps oil pump 60 to power, the break-make of ac power supply circuit 61 is chain to cut off ac power supply circuit 61 when detector 70 detects fire signal with the detector 70 for detecting the fire signal of fuel engine power generation unit, detector 70 connection control device, controller is devoted oneself to work according to the fire signal control direct current auxiliary oil pump 40 of detector 70 is emergent.By above-mentioned setting, when detector 70 detects that fire occurs, the ac power supply circuit 61 of timely cut-out combustion engine, now combustion engine is stopped in emergency, but the temperature of combustion engine bearing can be very high, the control of the present embodiment via controller is emergent drops into direct current auxiliary oil pump 40, even if make breaking out of fire in combustion engine working procedure, direct current auxiliary oil pump 40 also can cool combustion engine bearing 90 lubrication delivery in time.
Preferably, the present embodiment direct current power supply loop 41 adopts storage battery as DC electrical source.More preferably, combustion engine bearing 90 place is provided with the hygrosensor 80 for detecting combustion engine bearing 90 place temperature, and hygrosensor 80 is connected with controller, and controller controls the work of direct current auxiliary oil pump 40 according to the temperature signal that hygrosensor 80 detects.Controller controls the work of direct current auxiliary oil pump 40 according to the temperature that hygrosensor 80 detects, until hygrosensor 80 detects that the temperature of combustion engine bearing 90 drops to safety range, controller cuts off direct current power supply loop 41 automatically, stall direct current auxiliary oil pump 40, thus achieve the intelligent control of direct current auxiliary oil pump 40 work, farthest decrease combustion engine leakage of oil.
In the present embodiment, preferably, in order to extend the working life of lubricant oil control system, reduce maintenance times, lube pipe 30 adopts metallic hose.Preferably, in order to prevent lubricating oil from refluxing on delivery line or producing bubble, in the present embodiment, the first safety check between mechanical pump 20 and lube pipe 30, is provided with: between direct current auxiliary oil pump 40 and lube pipe 30, be provided with the second safety check; Exchange between auxiliary oil pump 60 and lube pipe 30 and be provided with the 3rd safety check.
Can learn from above description, the present embodiment is used for the lubricant oil control system of fuel engine power generation unit, by arranging the direct current auxiliary oil pump in parallel with mechanical pump, and the current supply circuit of direct current auxiliary oil pump is controlled by the pressure signal of controller according to the lube pipe detected, both patrolling and examining of the prestarting direct current auxiliary oil pump of combustion engine had been achieved, also in combustion engine starting process, pass through the lubricating oil supply of direct current auxiliary oil pump, decrease the risk of starting combustion engine without emergent lubricating oil supply, improve combustion engine reliability of operation and Security.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (8)
1. the lubricant oil control system for fuel engine power generation unit, described lubricant oil control system comprises oil tank (10), described oil tank (10) is communicated with the mechanical pump (20) for the lubricating oil in described oil tank (10) being passed to combustion engine bearing (90) place, described mechanical pump (20) is communicated with described combustion engine bearing (90) through lube pipe (30), it is characterized in that
Described oil tank (10) is also communicated with direct current auxiliary oil pump (40), and described direct current auxiliary oil pump (40) is in parallel with described mechanical pump (20) to be communicated to described lube pipe (30);
Described direct current auxiliary oil pump (40) is provided with the direct current power supply loop (41) for powering for described direct current auxiliary oil pump (40), and described lube pipe (30) is provided with the pressure transducer (50) for detecting the upper lubricating oil pressure of described lube pipe (30);
Described pressure transducer (50) is connected with controller, and described controller controls the power supply break-make of described direct current auxiliary oil pump (40) according to the pressure signal of described pressure transducer (50).
2. lubricant oil control system according to claim 1, is characterized in that,
Also comprise be communicated with described oil tank (10) exchange auxiliary oil pump (60), be communicated to described lube pipe (30) after described interchange auxiliary oil pump (60) is in parallel with described mechanical pump (20) and described direct current auxiliary oil pump (40).
3. lubricant oil control system according to claim 2, is characterized in that,
Described interchange auxiliary oil pump (60) connects the ac power supply circuit (61) that promising described interchange auxiliary oil pump (60) is powered, the break-make of described ac power supply circuit (61) is chain to cut off described ac power supply circuit (61) when described detector (70) detects fire signal with the detector (70) for detecting the fire signal of described fuel engine power generation unit, described detector (70) connects described controller, described controller controls described direct current auxiliary oil pump (40) meeting an urgent need according to the fire signal of described detector (70) and devotes oneself to work.
4. lubricant oil control system according to claim 2, is characterized in that,
Described combustion engine bearing (90) place is provided with the hygrosensor (80) for detecting described combustion engine bearing (90) place temperature, described hygrosensor (80) is connected with described controller, and described controller controls the work of described direct current auxiliary oil pump (40) according to the temperature signal that described hygrosensor (80) detects.
5., according to the arbitrary described lubricant oil control system of Claims 1-4, it is characterized in that,
Described lube pipe (30) is metallic hose.
6. lubricant oil control system according to claim 5, is characterized in that,
The first safety check is provided with between described mechanical pump (20) and described lube pipe (30).
7. lubricant oil control system according to claim 5, is characterized in that,
The second safety check is provided with between described direct current auxiliary oil pump (40) and described lube pipe (30).
8. lubricant oil control system according to claim 5, is characterized in that,
The 3rd safety check is provided with between described interchange auxiliary oil pump (60) and described lube pipe (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420569151.4U CN204152587U (en) | 2014-09-29 | 2014-09-29 | For the lubricant oil control system of fuel engine power generation unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420569151.4U CN204152587U (en) | 2014-09-29 | 2014-09-29 | For the lubricant oil control system of fuel engine power generation unit |
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| CN204152587U true CN204152587U (en) | 2015-02-11 |
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| CN201420569151.4U Active CN204152587U (en) | 2014-09-29 | 2014-09-29 | For the lubricant oil control system of fuel engine power generation unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104847421A (en) * | 2015-06-02 | 2015-08-19 | 济南达能动力技术有限责任公司 | Experimental system and method of emergency steam-driven oil pump |
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2014
- 2014-09-29 CN CN201420569151.4U patent/CN204152587U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104847421A (en) * | 2015-06-02 | 2015-08-19 | 济南达能动力技术有限责任公司 | Experimental system and method of emergency steam-driven oil pump |
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