CN103016942A - Protection method of thin oil lubricating equipment - Google Patents
Protection method of thin oil lubricating equipment Download PDFInfo
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- CN103016942A CN103016942A CN201210553717XA CN201210553717A CN103016942A CN 103016942 A CN103016942 A CN 103016942A CN 201210553717X A CN201210553717X A CN 201210553717XA CN 201210553717 A CN201210553717 A CN 201210553717A CN 103016942 A CN103016942 A CN 103016942A
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Abstract
The invention relates to a protection method of thin oil lubricating equipment, belonging to the field of hydraulic lubrication. A bimetal thermometer is arranged on a lubrication station heater, an on-off input module is arranged in an original PLC (Programmed Logic Controller) system in a lubrication station control cabinet, the bimetal thermometer provides two normally-opened points which are accessed into a module channel and are then subjected to channel setting, wherein one normally-opened point indicates that the temperature of the heater is high and an alarm is needed, and the other normally-opened point indicates that the temperature of the heater is too higher and continuous heating needs to be stopped; when the temperature of the heater is high and an alarm is needed, a state that the thin oil lubrication station triggers an alarm screen is returned, wherein a state that the temperature of the heater is high is prompted in the screen; and when the temperature of the heater is too high and continuous heating needs to be stopped, a state that the thin oil lubrication station triggers the alarm screen to prompt that the temperature of the heater is too high and an alarm is needed and cuts off a main loop contactor of the heater is returned, so the heater can be prevented from being heated continuously to cause pipeline damage and lubricating oil deterioration. The protection method disclosed by the invention has the advantages of completing the production mechanism of the equipment, improving the production level and guaranteeing the normal operation of the equipment.
Description
Technical field
We's invention belongs to the hydraulics field; a kind of guard method of thin oil lubricant station equipment particularly is provided; prevent dilute oil lubrication station when work and cause conduit failure and deterioration of lubricant near the heater because heter temperature is too high, can be widely used in the dilute oil lubrication station utilization outlet oil return mode of heating protective gear to heating circuit.
Background technique
Provide for milling train, straightening machine, bilateral scissors, fixed size scissors equipment in the lubricated thin oil lubricating equipment company of the first Qin is employed, the heating of oil is not to lean against the heating equipment of installing the fuel tank bottom to realize in the equipment, but rely in the output loop shunting out a part of lubricant oil independently be back to again fuel tank behind the heater through the outside, rely on these return oil temperature that oil makes lubricant oil in the whole system slowly lifting and reach needed operating temperature.In dilute oil lubrication station normal operation heating pipe line be have all the time lubricant oil by and also the lubricant oil of the inside almost can be full of heating pipe line.It is bad that the operation discovery of normal time of process is worked as and the leakage of oil of equipment pipeline occurred, of short duration obstruction negotiability appears in the lubricant oil feeding pipe road, the heater of this moment continues heating, self rises very fast with the temperature of closing on return line, the critical temperature that just can exceed in a short period of time lubricant oil, near the oil pipe heater is because the blackening of excess Temperature painted surface, at this moment the lubricant oil by heater and this pipeline all can go bad the lubricant oil in the whole lubrication station is affected, can not play lubrication, need to change fully to bring about great losses.
Summary of the invention
The purpose of this method is to provide a kind of guard method of thin oil lubricant station equipment; prevent from when dilute oil lubrication station is worked causing conduit failure and deterioration of lubricant near the heater because heter temperature is too high; solved in dilute oil lubrication station work owing to leading to the pipeline leakage of oil of equipment and lubricant oil feeding pipe road and the outside cause of of short duration obstruction negotiability when bad occur and cause the heater continuous heating, damaged near the heater pipeline behind the excess Temperature and cause deterioration of lubricant.Perfect equipment protection mechanism improved the equipment protection grade, thereby support equipment moves normally to the full extent.Realize protection to field apparatus by increasing a kind of temperature transducer, support equipment is avoided safely unnecessary loss.
The present invention sets up a bimetallic thermometer (this temperature can be set its related temperature value to it in advance in respect of two normal battles) at the heater of existing dilute oil lubrication station, is installed on the heater.Add a switching input module, be installed on the original PLC of lubrication station control system.Concrete steps are by as follows:
1, at the dilute oil lubrication station heater thermometer (model is the bimetallic thermometer of WSSX-481) is installed, thermometer needs link and heater body to keep being connected; On the lubrication station heater near adding near the punching sensor installation link thermal resistance wire, to understand first the heater internal structure before installing, avoid sensor directly directly to contact with heating element and cause the data distortion that detects.
2, a switching input module is installed in the PLC control system in former dilute oil lubrication station control box, two switching value signals that bimetallic thermometer is provided namely access in the switching value module channels with wire normal battle; Utilize heat insulation foam to reduce the degree of the signaling line temperature influence of sensor and intermodule.According to (wire resistance value under different temperatures can change).
3, with after the signal leading PLC module, manually-operable heater simulation real work, affirming signal can in time and be prepared errorless returning.The state of these two passages in the Rockwell controller meeting Real Time Monitoring switching input module, in the PLC control program, add the logical AND function block, too high when heter temperature, program can be made a response fast according to the state of scene feedback and be cut off the heater major loop and stop to continue heating.
When heater high-temperature alarm point 18 return states are high (program bosom point links with the warning picture) 14 of reporting to the police of dilute oil lubrication station heater 10 trigger heater temperature, when heater 19 return states out of service are to send heater instruction out of service (control signal being sent to MCC Intelligent control cabinet 13 by network) 15 when triggering the warning of dilute oil lubrication station heater 10 excess Temperatures directly to cut off heater major loop stopped heating device continuation heating.
4, operating procedure: after bimetallic thermometer puts into operation, two normal battles of thermometer are carried out the setting of Temperature Matching, performance characteristic in conjunction with the equipment of lubrication station is set a high temperature alarm point and a heater high-temperature stop, the access state of PLC switch amount module is uninterruptedly monitored, in PLC scan round program, add the logical AND function block, after high temperature alarm point closed state returns, the media operation interface can be very eye-catching appearance " please note that so-and-so lubrication station heter temperature is too high " and when sending warning, directly cut off heater major loop by network emitted signal control MCC Intelligent control cabinet when heater high-temperature stop closed state returns rear PLC, come the stopped heating device to continue heating.
Description of drawings
Fig. 1 lubrication station heater increases protective gear method work schematic diagram.Wherein, the dilute oil lubrication station fuel tank 1, lubricating oil outlet filter 2, outlet cooler 3, lubrication motor (the using and the reserved) 4, outlet temperature sensor (range 0-100 degree) 5, outlet pressure sensor (range 0-16Bar) 6, the on-the-spot lubricated machinery (bilateral scissors for example that need, fixed size scissors etc.) 7, bimetallic thermometer (WSSX-481 bi-metal temperature, producer: meter Slender West Lake, Yangzhou) 8, on-the-spot temperature display meter of heater (0-250 degree) 9, dilute oil lubrication station heater 10, control and feedback data line 11, Rockwell PLC control system 12, MCC Intelligent control cabinet 13.
The logic control functional diagram that increases in Fig. 2 program.Wherein, out of service 19, high (program bosom point links with the warning picture) 14 of reporting to the police of heter temperature of heater high-temperature alarm point 18, heater, heater instruction out of service (control signal being sent to MCC Intelligent control cabinet 13 by network) 15, function block lock 16, function block locks 17.
Fig. 3 logical AND function block working waveform figure.
Embodiment
Be divided into on-the-spot hardware installation and program function during implementation and set up two parts:
At first at the lubrication station heater model being installed is the bimetallic thermometer of WSSX-481, and what signal receiver was selected is that Rockwell 1756-IB16(16 point switching input module, supporting controller are 1756-L63/A).
Bimetallic thermometer be directly installed on the lubrication station heater with it after, with 1.5 flat copper conductors as signaling line with two on the bimetallic thermometer normal be connected with the passage of Rockwell switching input module in the PLC control cabinet respectively (the using any two idle channels in the 1756-IB16 module) of making war.
In the PLC control program, add two logical AND function blocks such as Fig. 2, the signal of two passages is distinguished heater high-temperature alarm point 18 and the heater out of service 19 of corresponding function piece, the state of these two passages in the Rockwell controller meeting Real Time Monitoring switching input module, when heater high-temperature alarm point 18 return states are high (program bosom point links with the warning picture) 14 of reporting to the police of dilute oil lubrication station heater 10 trigger heater temperature, when heater 19 return states out of service are to send heater instruction out of service (control signal being sent to MCC Intelligent control cabinet 13 by network) 15 when triggering the warning of dilute oil lubrication station heater 10 excess Temperatures directly to cut off heater major loop stopped heating device continuation heating.Only have that the logical AND function block just can come into force after function block locking 16, function block locking 17 are activated, this moment, the report to the police state of (program bosom point links with the warning picture) 14 and heater instruction out of service (control signal being sent to MCC Intelligent control cabinet 13 by network) 15 of heater high-temperature can be consistent with heater high-temperature alarm point 18 and heater out of service 19.As when keeping dilute oil lubrication station normal operation to need again heater overhauled or change, function of shielding piece locking 16, function block locking 17, this moment, no matter what the state of heater high-temperature alarm point 18 and heater out of service 19 was, heater high-temperature warning (program bosom point links with the warning picture) 14 and heater instruction out of service (control signal being sent to MCC Intelligent control cabinet 13 by network) 15 all are in the conductively-closed state and can send any alarm signal, guarantee that with this other functions of lubrication station normally use, after the maintenance of heater and replacing are finished with function block locking 16, function block locking 17 activates and can recover normal use.
Claims (3)
1. the guard method of a thin oil lubricant station equipment is characterized in that,
(1) at the lubrication station heater model being installed is thermometer, and thermometer needs link to be connected with heater; On the lubrication station heater near adding near the punching sensor installation link thermal resistance wire;
(2) switching input module is installed in the PLC control system in the lubrication station control box, two switching signals that thermometer is provided are in the normal AM access module battle passage;
(3) with after the signal leading PLC module, manually the simulated operation heater can be prepared errorless returning with affirming signal; In the PLC control program, add the logical AND function block, the state of these two passages in the Rockwell controller meeting Real Time Monitoring switching input module, program can make a response to protect heater fast according to the state of scene feedback;
When heater high-temperature alarm point (18) return state is dilute oil lubrication station heater (10) trigger heater high temperature alarm (14), when heater (19) out of service return state is that heater major loop protection heater is directly cut off in dilute oil lubrication station heater (10) trigger heater instruction out of service (5).
2. method according to claim 1; it is characterized in that; operating procedure: after bimetallic thermometer puts into operation; two normal battles of thermometer are carried out the setting of Temperature Matching; performance characteristic in conjunction with the equipment of lubrication station is set a high temperature alarm point and a heater high-temperature stop; the access state of PLC switch amount module is uninterruptedly monitored; in PLC scan round program, add the logical AND function block; after high temperature alarm point closure is returned; the media operation interface can be very eye-catching appearance " please note that so-and-so lubrication station heter temperature is too high " PLC directly cut off the heater major loop by the contactor in the network control MCC Intelligent control cabinet after heater high-temperature stop closure is returned, and realizes the protective function to heater.
3. method according to claim 1 is characterized in that, described thermometer model is the bimetallic thermometer of WSSX-481.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210553717XA CN103016942A (en) | 2012-12-18 | 2012-12-18 | Protection method of thin oil lubricating equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210553717XA CN103016942A (en) | 2012-12-18 | 2012-12-18 | Protection method of thin oil lubricating equipment |
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| CN103016942A true CN103016942A (en) | 2013-04-03 |
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| CN201210553717XA Pending CN103016942A (en) | 2012-12-18 | 2012-12-18 | Protection method of thin oil lubricating equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114576539A (en) * | 2022-03-07 | 2022-06-03 | 南通市力威特液压设备有限公司 | Thin oil station integrated control system |
Citations (8)
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| EP0303938A2 (en) * | 1987-08-18 | 1989-02-22 | Takano Corporation | Lubrication monitoring apparatus for machine |
| CN2100549U (en) * | 1991-09-04 | 1992-04-01 | 沈阳润滑设备厂 | Flow-variable diluted oil lubrication device without reservoir |
| CN201297306Y (en) * | 2008-11-25 | 2009-08-26 | 荆州恒隆汽车零部件制造有限公司 | Hydraulic device for redirector testing device |
| CN201351802Y (en) * | 2008-12-26 | 2009-11-25 | 济南重工股份有限公司 | Heater automatic/manual switching device for high-low pressure lubricating oil station |
| CN201795258U (en) * | 2010-09-16 | 2011-04-13 | 鞍钢股份有限公司 | Automatic lubricating device for motor bearing |
| CN102287524A (en) * | 2011-08-22 | 2011-12-21 | 成都利君实业股份有限公司 | Speed reducer lubrication system |
| CN202158356U (en) * | 2011-07-27 | 2012-03-07 | 安庆东舟电器制造有限公司 | Intelligent control fuel oil supply system |
| CN202302673U (en) * | 2011-11-01 | 2012-07-04 | 三一重型装备有限公司 | Engineering machine lubricating oil temperature control system and development machine |
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2012
- 2012-12-18 CN CN201210553717XA patent/CN103016942A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0303938A2 (en) * | 1987-08-18 | 1989-02-22 | Takano Corporation | Lubrication monitoring apparatus for machine |
| CN2100549U (en) * | 1991-09-04 | 1992-04-01 | 沈阳润滑设备厂 | Flow-variable diluted oil lubrication device without reservoir |
| CN201297306Y (en) * | 2008-11-25 | 2009-08-26 | 荆州恒隆汽车零部件制造有限公司 | Hydraulic device for redirector testing device |
| CN201351802Y (en) * | 2008-12-26 | 2009-11-25 | 济南重工股份有限公司 | Heater automatic/manual switching device for high-low pressure lubricating oil station |
| CN201795258U (en) * | 2010-09-16 | 2011-04-13 | 鞍钢股份有限公司 | Automatic lubricating device for motor bearing |
| CN202158356U (en) * | 2011-07-27 | 2012-03-07 | 安庆东舟电器制造有限公司 | Intelligent control fuel oil supply system |
| CN102287524A (en) * | 2011-08-22 | 2011-12-21 | 成都利君实业股份有限公司 | Speed reducer lubrication system |
| CN202302673U (en) * | 2011-11-01 | 2012-07-04 | 三一重型装备有限公司 | Engineering machine lubricating oil temperature control system and development machine |
Non-Patent Citations (1)
| Title |
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| 杨大志，付伶: "基于FP1-C40的稀油润滑站电控***改造", 《煤矿机械》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114576539A (en) * | 2022-03-07 | 2022-06-03 | 南通市力威特液压设备有限公司 | Thin oil station integrated control system |
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Application publication date: 20130403 |