CN109340549A - A kind of control method that lubricating system oil pump fault judges automatically and switches - Google Patents
A kind of control method that lubricating system oil pump fault judges automatically and switches Download PDFInfo
- Publication number
- CN109340549A CN109340549A CN201810970297.2A CN201810970297A CN109340549A CN 109340549 A CN109340549 A CN 109340549A CN 201810970297 A CN201810970297 A CN 201810970297A CN 109340549 A CN109340549 A CN 109340549A
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- China
- Prior art keywords
- pump
- pressure
- pressure switch
- stand
- signal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N29/00—Special means in lubricating arrangements or systems providing for the indication or detection of undesired conditions; Use of devices responsive to conditions in lubricating arrangements or systems
- F16N29/02—Special means in lubricating arrangements or systems providing for the indication or detection of undesired conditions; Use of devices responsive to conditions in lubricating arrangements or systems for influencing the supply of lubricant
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N29/00—Special means in lubricating arrangements or systems providing for the indication or detection of undesired conditions; Use of devices responsive to conditions in lubricating arrangements or systems
- F16N29/04—Special means in lubricating arrangements or systems providing for the indication or detection of undesired conditions; Use of devices responsive to conditions in lubricating arrangements or systems enabling a warning to be given; enabling moving parts to be stopped
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N2260/00—Fail safe
- F16N2260/20—Emergency
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N2270/00—Controlling
- F16N2270/70—Supply
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Non-Positive-Displacement Pumps (AREA)
Abstract
The present invention relates to lubricating system technical fields, disclose a kind of control method that lubricating system oil pump fault judges automatically and switches.Including following procedure: step 1, fuel feeding main pipe is arranged low-pressure and switchs, and judges whether the low-pressure switch of fuel feeding main pipe issues pressure signal and continue for some time, and if it is starts stand-by pump, stand-by pump and main pump work together；Step 2, fuel feeding main pipe is also provided with high pressure switch, judges that high pressure switch issues pressure signal and certain time, and if it is stand-by pump stops working, and main pump and lubricating system operate normally, if otherwise arriving step 3；Step 3, low spot pressure switch is arranged in main pump outlet, judges whether the pressure switch of main pump outlet issues pressure signal and continue for some time；If it is stand-by pump works as the main pump of next duration, and main pump stops working and is overhauled.This invention ensures that the safety of whole system, timely finds fault point, overhaul efficiency is improved.
Description
Technical field
The present invention relates to lubricating system technical field, especially a kind of lubricating system oil pump fault judges automatically and switches
Control method.
Background technique
Lubricating oil system at present with exchange oil pump the using and the reserved, in system normal use, exchange oil pump main pump operation
It breaks down, spare exchange pump start cooperation main pump uses, and a large amount of electricity can be consumed by causing to continue to run, if necessary to examine
It if repairing, needs to shut down rear pump or output pump and is overhauled, because two oil pumps are all being run, therefore can not be overhauled when equipment is run
Or replacement.Using can improve after this control method presently, there are problem above.
Summary of the invention
The technical problems to be solved by the present invention are: in view of the above problems, providing a kind of lubricating system oil pump
The control method that failure judges automatically and switches
The technical solution adopted by the invention is as follows: a kind of control method that lubricating system oil pump fault judges automatically and switches, tool
Body includes following procedure:
Step 1, fuel feeding main pipe setting low-pressure switchs, and judges whether the low-pressure switch of fuel feeding main pipe issues pressure signal and hold
Continuous a period of time, if it is start stand-by pump, stand-by pump and main pump work together；
Step 2, fuel feeding main pipe is also provided with high pressure switch, judges that high pressure switch issues pressure signal and continues a timing
Between, if it is stand-by pump stops working, and main pump and lubricating system operate normally, if otherwise arriving step 3；
Step 3, low spot pressure switch is arranged in main pump outlet, judges whether the pressure switch of main pump outlet issues pressure signal and hold
Continuous a period of time；If it is stand-by pump works as the main pump of next duration, and main pump stops working, and is converted to down
The stand-by pump of one duration, and overhauled.
Further, the detailed process of the step 1 are as follows: fuel feeding main-piping pressure switch be set as pressure it is low when pressure switch
Sender, judges whether the pressure switch of fuel feeding main pipe issues pressure low signal, and the time relay starts timing, and timing time arrives
, fuel feeding main-piping pressure switch still issues the low signal of pressure, then automatic control module receive fuel feeding main pipe pressure it is low
Signal, and the signal of starting stand-by pump is issued, starting spare pump signal is attracted intermediate relay coil, spare pump activation signal
It is electric, stand-by pump motor control loop obtains electric, and spare pump motor enters working condition, and stand-by pump and main pump work together.
Further, the detailed process of the step 2 are as follows: another pressure switch of fuel feeding main pipe be set as pressure it is high when pressure
Power switchs sender, judges whether the pressure switch of fuel feeding main pipe issues pressure high RST, and the time relay starts timing, when timing
Between arrive, fuel feeding main-piping pressure switch still issues the high signal of pressure, then automatic control module receives the pressure of fuel feeding main pipe
Power high RST, and the signal for stopping stand-by pump being issued, stopping spare pump signal disconnects intermediate relay coil losing electricity, stand-by pump
Motor control loop power loss, spare pump motor enter halted state, and if it is stand-by pump stops working, main pump and lubricating system
It operates normally, if otherwise arriving step 3.
Further, the detailed process of the step 3 are as follows: the pressure switch of main pump outlet be set as pressure it is low when pressure open
Sender is closed, judges whether the pressure switch of main pump outlet issues pressure low signal, the time relay starts timing, and timing time arrives
, automatic control module receives the pressure low signal of main pump outlet if pressure switch remains unchanged and issues the low signal of pressure,
And the signal that stand-by pump operation works as the main pump of next duration is issued, therefore main pump, in spare pump startup, main pump goes out
Mouth pressure switch stops working after no longer issuing pressure low signal, and main pump is converted to the stand-by pump of next duration, and is examined
It repairs.
Further, two high pressures of setting switch simultaneously in the place that the setting high pressure switchs or low-pressure switchs
Or two low-pressure switches, the signal judgement of described two high pressure switches or two low-pressure switches are all made of alternative and patrol
Volume.
Compared with prior art, by adopting the above technical scheme have the beneficial effect that the present invention to existing lubricating oil system
The shortcomings that improved, by the way that automatic control module is arranged in existing lubricating oil system, there is fuel feeding not in lubricating oil main pump
When foot or failure, starting stand-by pump guarantees that fuel feeding is stablized, if main pump sustained fault, stand-by pump continues fuel feeding as main pump,
Main pump is out of service before, and issues and report signal for repairment, notifies operation maintenance personnel on-bne repair in time.Oil pump fault is judged automatically, is protected
The safety for having demonstrate,proved whole system, timely finds fault point, improves overhaul efficiency, on-bne repair or replacement, reduce manually and
Time cost.
Detailed description of the invention
Fig. 1 is the control method flow diagram that lubricating system oil pump fault of the present invention judges automatically and switches.
Specific embodiment
The present invention is described further with reference to the accompanying drawing.
As shown in Figure 1, a kind of control method that lubricating system oil pump fault judges automatically and switches, specifically includes following mistake
Journey:
Step 1, fuel feeding main pipe setting low-pressure switchs, and judges whether the low-pressure switch of fuel feeding main pipe issues pressure signal and hold
Continuous a period of time, if it is start stand-by pump, stand-by pump and main pump work together；
Preferably, the detailed process of the step 1 are as follows: fuel feeding main-piping pressure switch be set as pressure it is low when pressure switch sender,
Judge whether the pressure switch of fuel feeding main pipe issues pressure low signal, the time relay starts timing, and timing time arrives, fuel feeding
Main-piping pressure switch still issues the low signal of pressure, then automatic control module receives the pressure low signal of fuel feeding main pipe, and
Issue starting stand-by pump signal, start spare pump signal make intermediate relay coil be attracted, spare pump activation signal obtain it is electric, it is standby
Obtained with pump motor control loop electric, spare pump motor enters working condition, and stand-by pump and main pump work together.
Step 2, fuel feeding main pipe is also provided with high pressure switch, judges that high pressure switch issues pressure signal and continues certain
Time, if it is stand-by pump stops working, and main pump and lubricating system operate normally, if otherwise arriving step 3；
The detailed process of the step 2 are as follows: another pressure switch of fuel feeding main pipe be set as pressure it is high when pressure switch sender, sentence
Whether the pressure switch of cut-off oil main pipe issues pressure high RST, and the time relay starts timing, and timing time arrives, and fuel feeding is female
Pipe pressure switch still issues the high signal of pressure, then automatic control module receives the pressure high RST of fuel feeding main pipe, concurrently
The signal for stopping stand-by pump out, stopping spare pump signal disconnects intermediate relay coil losing electricity, stand-by pump motor control loop
Power loss, spare pump motor enter halted state, and if it is stand-by pump stops working, and main pump and lubricating system operate normally, such as
Otherwise fruit arrives step 3.
Step 3, low spot pressure switch is arranged in main pump outlet, judges whether the pressure switch of main pump outlet issues pressure signal
And it continues for some time；If it is stand-by pump works as the main pump of next duration, and main pump stops working, conversion
For the stand-by pump of next duration, and overhauled.
Preferably, the detailed process of the step 3 are as follows: the pressure switch of main pump outlet be set as pressure it is low when pressure switch
Sender, judges whether the pressure switch of main pump outlet issues pressure low signal, and the time relay starts timing, and timing time arrives
, automatic control module receives the pressure low signal of main pump outlet if pressure switch remains unchanged and issues the low signal of pressure,
And the signal that stand-by pump operation works as the main pump of next duration is issued, therefore main pump, in spare pump startup, main pump goes out
Mouth pressure switch stops working after no longer issuing pressure low signal, and main pump is converted to the stand-by pump of next duration, and is examined
It repairs.
The present invention to the similar lubricating oil systems such as lubricating oil system of existing band exchange oil pump the using and the reserved there are the shortcomings that
Improved, designs a kind of control method that lubricating system oil pump fault judges automatically and switches.By in existing band fuel turn manifold
It pumps setting pressure in the lubricating oil system of the using and the reserved and closes detection module, occur in lubricating oil main pump for shortage of oil or failure
When, starting stand-by pump guarantees that fuel feeding is stablized, if main pump sustained fault, stand-by pump continues fuel feeding as main pump, and main pump stops before
It only runs, and issues and report signal for repairment, notify operation maintenance personnel on-bne repair in time.Oil pump fault is judged automatically, ensure that entire system
The safety of system, timely finds fault point, improves overhaul efficiency, on-bne repair or replacement, reduces artificial and time cost.
Preferably, the setting high pressure switch or the place of low-pressure switch simultaneously two high pressures of setting switch or
The signal judgement of two low-pressure switches, described two high pressure switches or two low-pressure switches is all made of alternative logic.
The invention is not limited to specific embodiments above-mentioned.The present invention, which expands to, any in the present specification to be disclosed
New feature or any new combination, and disclose any new method or process the step of or any new combination.If this
Field technical staff is altered or modified not departing from the unsubstantiality that spirit of the invention is done, should belong to power of the present invention
The claimed range of benefit.
Claims (5)
1. a kind of control method that lubricating system oil pump fault judges automatically and switches, which is characterized in that specifically include following mistake
Journey:
Step 1, fuel feeding main pipe setting low-pressure switchs, and judges whether the low-pressure switch of fuel feeding main pipe issues pressure signal and hold
Continuous a period of time, if it is start stand-by pump, stand-by pump and main pump work together；
Step 2, fuel feeding main pipe is also provided with high pressure switch, judges that high pressure switch issues pressure signal and continues a timing
Between, if it is stand-by pump stops working, and main pump and lubricating system operate normally, if otherwise arriving step 3；
Step 3, low spot pressure switch is arranged in main pump outlet, judges whether the pressure switch of main pump outlet issues pressure signal and hold
Continuous a period of time；If it is stand-by pump works as the main pump of next duration, and main pump stops working, and is converted to down
The stand-by pump of one duration, and overhauled.
2. the control method that lubricating system oil pump fault as described in claim 1 judges automatically and switches, which is characterized in that institute
State the detailed process of step 1 are as follows: fuel feeding main-piping pressure switch be set as pressure it is low when pressure switch sender, judge fuel feeding main pipe
Whether pressure switch issues pressure low signal, and the time relay starts timing, and timing time arrives, fuel feeding main-piping pressure switch according to
Old to issue the low signal of pressure, then automatic control module receives the pressure low signal of fuel feeding main pipe, and issues starting stand-by pump
Signal, start spare pump signal make intermediate relay coil be attracted, spare pump activation signal obtain it is electric, stand-by pump motor control return
Rood electricity, spare pump motor enter working condition, and stand-by pump and main pump work together.
3. the control method that lubricating system oil pump fault as claimed in claim 2 judges automatically and switches, which is characterized in that institute
State the detailed process of step 2 are as follows: another pressure switch of fuel feeding main pipe be set as pressure it is high when pressure switch sender, judge fuel feeding
Whether the pressure switch of main pipe issues pressure high RST, and the time relay starts timing, and timing time arrives, fuel feeding main-piping pressure
Switch still issues the high signal of pressure, then automatic control module receives the pressure high RST of fuel feeding main pipe, and issues stopping
The signal of stand-by pump, stopping spare pump signal disconnects intermediate relay coil losing electricity, and stand-by pump motor control loop power loss is standby
Enter halted state with pump motor, if it is stand-by pump stops working, and main pump and lubricating system operate normally, if otherwise arrived
Step 3.
4. the control method that lubricating system oil pump fault as claimed in claim 3 judges automatically and switches, which is characterized in that institute
State the detailed process of step 3 are as follows: the pressure switch of main pump outlet be set as pressure it is low when pressure switch sender, judge main pump outlet
Pressure switch whether issue pressure low signal, the time relay starts timing, and timing time arrives, if pressure switch remains unchanged
Issuing the low signal of pressure, then automatic control module receives the pressure low signal of main pump outlet, and issues stand-by pump operation conduct
The signal that the main pump of next duration works, therefore main pump, in spare pump startup, main pump outlet pressure switch no longer issues pressure
It stops working after power low signal, main pump is converted to the stand-by pump of next duration, and is overhauled.
5. the control method that lubricating system oil pump fault as claimed in claim 4 judges automatically and switches, which is characterized in that institute
State that setting high pressure switchs or two high pressures of setting switch simultaneously or two low-pressures switch, institute in the place of low-pressure switch
The signal judgement for stating two high pressure switches or two low-pressure switches is all made of alternative logic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810970297.2A CN109340549A (en) | 2018-08-24 | 2018-08-24 | A kind of control method that lubricating system oil pump fault judges automatically and switches |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810970297.2A CN109340549A (en) | 2018-08-24 | 2018-08-24 | A kind of control method that lubricating system oil pump fault judges automatically and switches |
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| CN109340549A true CN109340549A (en) | 2019-02-15 |
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ID=65291531
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810970297.2A Pending CN109340549A (en) | 2018-08-24 | 2018-08-24 | A kind of control method that lubricating system oil pump fault judges automatically and switches |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110848147A (en) * | 2019-11-19 | 2020-02-28 | 江苏江海润液设备有限公司 | Simulation test system for rapid switching of centrifugal oil pump and test method thereof |
| CN112922832A (en) * | 2021-02-04 | 2021-06-08 | 华能（天津）煤气化发电有限公司 | Quick switching method for screw oil pump |
| CN112983797A (en) * | 2021-03-11 | 2021-06-18 | 东方电气自动控制工程有限公司 | Direct current pump control device of gas turbine |
| CN113153482A (en) * | 2021-04-14 | 2021-07-23 | 中国船舶重工集团公司第七一一研究所 | Diesel engine lubricating oil supply system and supply control method |
| CN113586695A (en) * | 2020-04-30 | 2021-11-02 | 宝山钢铁股份有限公司 | Switching control method of main oil pump and auxiliary oil pump |
| CN114033655A (en) * | 2021-10-18 | 2022-02-11 | 唐山钢铁集团微尔自动化有限公司 | Automatic control method for combined pump |
| CN115507283A (en) * | 2022-09-29 | 2022-12-23 | 上海华电电力发展有限公司望亭发电分公司 | Fault self-diagnosis method for test control loop of lubricating oil system |
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| CN202048339U (en) * | 2011-04-21 | 2011-11-23 | 宝山钢铁股份有限公司 | Automatic lubricating pressure control device |
| CN103225735A (en) * | 2013-05-03 | 2013-07-31 | 南通市南方润滑液压设备有限公司 | Intelligent low-pressure thin oil lubricating device |
| CN106287187A (en) * | 2016-10-28 | 2017-01-04 | 南通市南方润滑液压设备有限公司 | Intelligent high-low pressure lubricating arrangement |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20100321030A1 (en) * | 2009-06-22 | 2010-12-23 | Ford Global Technologies, Llc | System and method to provide lubrication for a plug-in hybrid |
| CN202048339U (en) * | 2011-04-21 | 2011-11-23 | 宝山钢铁股份有限公司 | Automatic lubricating pressure control device |
| CN103225735A (en) * | 2013-05-03 | 2013-07-31 | 南通市南方润滑液压设备有限公司 | Intelligent low-pressure thin oil lubricating device |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110848147A (en) * | 2019-11-19 | 2020-02-28 | 江苏江海润液设备有限公司 | Simulation test system for rapid switching of centrifugal oil pump and test method thereof |
| CN113586695A (en) * | 2020-04-30 | 2021-11-02 | 宝山钢铁股份有限公司 | Switching control method of main oil pump and auxiliary oil pump |
| CN112922832A (en) * | 2021-02-04 | 2021-06-08 | 华能（天津）煤气化发电有限公司 | Quick switching method for screw oil pump |
| CN112983797A (en) * | 2021-03-11 | 2021-06-18 | 东方电气自动控制工程有限公司 | Direct current pump control device of gas turbine |
| CN112983797B (en) * | 2021-03-11 | 2022-08-12 | 东方电气自动控制工程有限公司 | Direct current pump control device of gas turbine |
| CN113153482A (en) * | 2021-04-14 | 2021-07-23 | 中国船舶重工集团公司第七一一研究所 | Diesel engine lubricating oil supply system and supply control method |
| CN114033655A (en) * | 2021-10-18 | 2022-02-11 | 唐山钢铁集团微尔自动化有限公司 | Automatic control method for combined pump |
| CN115507283A (en) * | 2022-09-29 | 2022-12-23 | 上海华电电力发展有限公司望亭发电分公司 | Fault self-diagnosis method for test control loop of lubricating oil system |
| CN115507283B (en) * | 2022-09-29 | 2024-04-30 | 上海华电电力发展有限公司望亭发电分公司 | Lubricating oil system test control loop fault self-diagnosis method |
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Application publication date: 20190215 |