CN103616835B - The oily Monitoring and Controlling circuit of hydraulically operated equipment (HOE) - Google Patents
The oily Monitoring and Controlling circuit of hydraulically operated equipment (HOE) Download PDFInfo
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- CN103616835B CN103616835B CN201310601584.3A CN201310601584A CN103616835B CN 103616835 B CN103616835 B CN 103616835B CN 201310601584 A CN201310601584 A CN 201310601584A CN 103616835 B CN103616835 B CN 103616835B
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Abstract
The invention discloses a kind of oily Monitoring and Controlling circuit of hydraulically operated equipment (HOE), comprise Interface Terminal, power circuit, oil quality sensor, CAN transmission circuit, LM3S2965 control chip, digital pipe display circuit, buffer circuit, relay circuit, reset circuit, clock circuit and key circuit.The present invention has following technique effect: 1, Real-Time Monitoring: hydraulic oil " temperature ", " kinetic viscosity ", " density ", " specific inductive capacity " four supplemental characteristics are carried out analysis taxonomic revision; 2, show: show data accordingly converting to after data analysis taxonomic revision, by numeral method out; 3, protection exports: the data of collating sort and the protection value comparing calculation arranged by button, when data are greater than protection value output switch amount signal remind or hydraulic control equipment out of service.The present invention is relative to traditional artificial detection oil quality monitoring methods, and this equipment possesses high efficiency, high real-time, high reliability, high stability, compatibility is good and install the features such as simple and easy.
Description
Technical field
The present invention relates to a kind of hydraulically operated equipment (HOE) oil Monitoring and Controlling circuit.
Background technology
In recent years, the raising of the high mechanization degree driving mineral industry of Quick of China's industrial technology level, especially mining hydraulic equipment was widely used.Traditional is random large by the artificial mode of going to detect oil in hydraulically operated equipment (HOE), and determination methods is single, and data are inaccurate.Hydraulically operated equipment (HOE) produces the quality that loss affects hydraulic oil in long operational process, if change hydraulic oil by monitoring not in time, oil pipe blocking may be caused to cause security incident, threatens the personal safety of miner.
Summary of the invention
The object of this invention is to provide a kind of oily Monitoring and Controlling circuit of hydraulically operated equipment (HOE).
Technical scheme of the present invention is a kind of oily Monitoring and Controlling circuit of hydraulically operated equipment (HOE), comprises Interface Terminal, power circuit, oil quality sensor, CAN transmission circuit, LM3S2965 control chip, digital pipe display circuit, buffer circuit, relay circuit, reset circuit, clock circuit and key circuit, the power interface of Interface Terminal connects the power inlet of power circuit, and the power output of power circuit connects oil quality sensor, CAN transmission circuit, LM3S2965 control chip, digital pipe display circuit, buffer circuit, relay circuit, reset circuit, clock circuit, the power port of key circuit, the reset mouth of reset circuit connects the reset pin RESET of LM3S2965 control chip, the clock mouth of clock circuit connects clock pins OSC0 and the clock pins OSC1 of LM3S2965 control chip, the CAN interface of oil quality sensor connects the CAN interface of CAN transmission circuit, the reception pin RX0 of CAN transmission circuit connects CAN and sends pin CANTX0 pin, the transmission pin TX0 of CAN transmission circuit connects the spasm pin CANRX0 pin of LM3S2965 control chip, the output pin PE3-PE6 of LM3S2965 control chip connects the segment encode control mouth of digital pipe display circuit, the output pin PA0-PA7 of LM3S2965 control chip connects the position control mouth of digital pipe display circuit, the button of LM3S2965 control chip detects the button mouth that pin PE0-PE3 connects key circuit, the output pin PB0-PB1 of LM3S2965 control chip connects the control inputs mouth of buffer circuit, the Control mouth of the control delivery outlet contact relay circuit of buffer circuit, the switching value interface of the output switch parameter Interface Terminal of relay circuit.
The present invention has following technique effect: 1, Real-Time Monitoring: the CAN protocol Frame of the oil quality sensor transmission that oily Monitoring and Controlling circuit Real-Time Monitoring is connected by CAN, and hydraulic oil " temperature ", " kinetic viscosity ", " density ", " specific inductive capacity " four supplemental characteristics are carried out analysis taxonomic revision; 2, show: oily Monitoring and Controlling circuit shows data accordingly converting to after data analysis taxonomic revision, by numeral method out; 3, protection exports: the data of collating sort and the protection value comparing calculation arranged by button, when data are greater than protection value output switch amount signal remind or hydraulic control equipment out of service.The present invention is relative to traditional artificial detection oil quality monitoring methods, and this equipment possesses high efficiency, high real-time, high reliability, high stability, compatibility is good and install the features such as simple and easy.
Accompanying drawing explanation
Fig. 1 is circuit block diagram of the present invention.
Embodiment
As shown in Figure 1, a kind of oily Monitoring and Controlling circuit of hydraulically operated equipment (HOE), comprises Interface Terminal, power circuit, oil quality sensor, CAN transmission circuit, LM3S2965 control chip, digital pipe display circuit, buffer circuit, relay circuit, reset circuit, clock circuit and key circuit, the power interface of Interface Terminal connects the power inlet of power circuit, and the power output of power circuit connects oil quality sensor, CAN transmission circuit, LM3S2965 control chip, digital pipe display circuit, buffer circuit, relay circuit, reset circuit, clock circuit, the power port of key circuit, the reset mouth of reset circuit connects the reset pin RESET of LM3S2965 control chip, the clock mouth of clock circuit connects clock pins OSC0 and the clock pins OSC1 of LM3S2965 control chip, the CAN interface of oil quality sensor connects the CAN interface of CAN transmission circuit, the reception pin RX0 of CAN transmission circuit connects CAN and sends pin CANTX0 pin, the transmission pin TX0 of CAN transmission circuit connects the spasm pin CANRX0 pin of LM3S2965 control chip, the output pin PE3-PE6 of LM3S2965 control chip connects the segment encode control mouth of digital pipe display circuit, the output pin PA0-PA7 of LM3S2965 control chip connects the position control mouth of digital pipe display circuit, the button of LM3S2965 control chip detects the button mouth that pin PE0-PE3 connects key circuit, the output pin PB0-PB1 of LM3S2965 control chip connects the control inputs mouth of buffer circuit, the Control mouth of the control delivery outlet contact relay circuit of buffer circuit, the switching value interface of the output switch parameter Interface Terminal of relay circuit.The power inlet that the power interface of Interface Terminal connects power circuit provides general supply for control circuit, the power output of power circuit connect oil quality sensor, CAN transmission circuit, LM3S2965 control chip, digital pipe display circuit, buffer circuit, relay circuit, reset circuit, clock circuit, key circuit power port provide working power for it.The reset pin RESET of the reset mouth connection LM3S2965 control chip of reset circuit provides reset function for LM3S2965 control chip normally works, and clock pins OSC0 and the clock pins OSC1 of the clock mouth connection LM3S2965 control chip of clock circuit provide clock for normally working.Oil quality sensor probe accesses to hydraulically operated equipment (HOE) and utilizes tuning fork detection principle to " temperature " of hydraulic oil, " kinetic viscosity ", " density ", " specific inductive capacity " four parameters are carried out detecting and are converted corresponding CAN protocol frame data are connected to CAN transmission circuit CAN interface by the CAN interface of oil quality sensor to, CAN transmission circuit is connected to the CAN Frame isolation processing of reception CAN reception pin CANRX0 and the CAN transmission pin CANTX0 of LM3S2965 control chip by receiving pin RX0 and transmission pin TX0, the CAN Frame of LM3S2965 control chip carries out analytical calculation process and converts to and show data accordingly, the position control mouth being controlled the segment encode control mouth of digital pipe display circuit and output pin PA0 to the output pin PA7 control digital pipe display circuit of LM3S2965 control chip by the output pin PE3 to output pin PE6 of LM3S2965 control chip carries out accordingly " temperature ", " kinetic viscosity ", " density ", the display of " specific inductive capacity " wherein a kind of parameter, LM3S2965 control chip is " temperature " of analytical calculation process, " kinetic viscosity ", " density ", " specific inductive capacity " four digital signals with detected pin PE0 by the button of LM3S2965 control chip and detect to button " temperature " that key circuit that pin PE3 detects arranges, " kinetic viscosity ", " density ", " specific inductive capacity " protection value comparing calculation, when each parameter data signal of analyzing and processing is greater than each parameter protection value of button setting, the output pin PB0 of LM3S2965 control chip and output pin PB1 is connected to the control inputs mouth of buffer circuit, be connected to the Control mouth of relay circuit by controlling delivery outlet through buffer circuit isolation processing, the switching value interface protection output that pilot relay action is connected to Interface Terminal by output switch parameter port controls or reminds hydraulically operated equipment (HOE) out of service.
When oily monitoring and control equipment is normally connected to hydraulically operated equipment (HOE) by oil quality sensor, real-time detection is carried out to the hydraulic oil of hydraulically operated equipment (HOE).The single-chip microcomputer of oil monitoring and control equipment carries out analytical calculation process the CAN protocol Frame that oil quality sensor is sent and converts the corresponding parameter such as driving parameter numeral method viscosity, temperature to; the protected data value that the data of conversion and button are arranged is compared calculating simultaneously; protect to give warning in advance output switch amount signal hydraulic control equipment out of service and inform that oil has problem; prompting changing hydraulic oil, to reduce the security incident that hydraulically operated equipment (HOE) long-play causes.
Claims (1)
1. an oily Monitoring and Controlling circuit for hydraulically operated equipment (HOE), comprises Interface Terminal, power circuit, oil quality sensor, CAN transmission circuit, LM3S2965 control chip, digital pipe display circuit, buffer circuit, relay circuit, reset circuit, clock circuit and key circuit, is characterized in that: the power interface of Interface Terminal connects the power inlet of power circuit, and the power output of power circuit connects oil quality sensor, CAN transmission circuit, LM3S2965 control chip, digital pipe display circuit, buffer circuit, relay circuit, reset circuit, clock circuit, the power port of key circuit, the reset mouth of reset circuit connects the reset pin RESET of LM3S2965 control chip, the clock mouth of clock circuit connects clock pins OSC0 and the clock pins OSC1 of LM3S2965 control chip, the CAN interface of oil quality sensor connects the CAN interface of CAN transmission circuit, the reception pin RX0 of CAN transmission circuit connects CAN and sends pin CANTX0 pin, the transmission pin TX0 of CAN transmission circuit connects the spasm pin CANRX0 pin of LM3S2965 control chip, the output pin PE3-PE6 of LM3S2965 control chip connects the segment encode control mouth of digital pipe display circuit, the output pin PA0-PA7 of LM3S2965 control chip connects the position control mouth of digital pipe display circuit, the button of LM3S2965 control chip detects the button mouth that pin PE0-PE3 connects key circuit, the output pin PB0-PB1 of LM3S2965 control chip connects the control inputs mouth of buffer circuit, the Control mouth of the control delivery outlet contact relay circuit of buffer circuit, the switching value interface of the output switch parameter Interface Terminal of relay circuit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310601584.3A CN103616835B (en) | 2013-11-25 | 2013-11-25 | The oily Monitoring and Controlling circuit of hydraulically operated equipment (HOE) |
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| CN201310601584.3A CN103616835B (en) | 2013-11-25 | 2013-11-25 | The oily Monitoring and Controlling circuit of hydraulically operated equipment (HOE) |
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| CN103616835A CN103616835A (en) | 2014-03-05 |
| CN103616835B true CN103616835B (en) | 2015-09-30 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103851029B (en) * | 2014-03-17 | 2016-03-16 | 洛阳大工检测技术有限公司 | A kind of with large engineering vehicle hydraulic system online auto monitoring system |
| NO20140477A1 (en) * | 2014-04-11 | 2015-10-12 | Mera As | System and method for status monitoring of an on-site hydraulic system |
| CN103954742B (en) * | 2014-04-14 | 2015-11-25 | 中国人民解放军装甲兵工程学院 | In diesel engine, diesel oil is mixed into machine oil measurement mechanism and measuring method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US5740029A (en) * | 1996-02-21 | 1998-04-14 | Westinghouse Air Brake Company | Software algorithm providing dynamic configuration of dead band control criteria within a micro based real time process control environment |
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| EP2388583A1 (en) * | 2010-05-17 | 2011-11-23 | Schaeffler Technologies AG & Co. KG | Method and control device for determining a viscosity parameter of an oil |
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| CN103616835A (en) | 2014-03-05 |
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