CN104456040B - Expandable modular on-line oil and liquid monitoring system and method - Google Patents

Expandable modular on-line oil and liquid monitoring system and method Download PDF

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Publication number
CN104456040B
CN104456040B CN201410593700.6A CN201410593700A CN104456040B CN 104456040 B CN104456040 B CN 104456040B CN 201410593700 A CN201410593700 A CN 201410593700A CN 104456040 B CN104456040 B CN 104456040B
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controller
expand
ethernet
industrial computer
oil
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CN104456040A (en
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陈闽杰
陶辉
贺石中
冯伟
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Guangzhou Mechanical Engineering Research Institute Co Ltd
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Guangzhou Mechanical Engineering Research Institute Co Ltd
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Abstract

The invention relates to an expandable modular on-line oil and liquid monitoring system and method. The on-line oil and liquid monitoring system comprises at least one modular oil and liquid monitoring device which is mounted in an additionally-arranged bypass oil circuit of a mechanical lubrication system, an industrial computer and at least one CAN bus expandable controller. The industrial computer is connected with the CAN bus expandable controller in a wired or wireless mode through the Ethernet. The CAN bus expandable controller is connected with the modular oil and liquid monitoring device through a CAN bus. According to the expandable modular on-line oil and liquid monitoring system and method, the structure is simple, the performance is good, the development period is short, the cost is low, the response speed is high, the expandability is high, remote operation can be achieved, and the expandable function and the modular function are achieved.

Description

One kind can expand modular online Oil Monitor System and method
Technical field
The present invention relates to be used for the fluid on-line monitoring technique of mechanized equipment, more particularly to one kind can expand it is modular Line Oil Monitor System and method.
Background technology
Its performance will decay under the effects such as lubricating oil used by mechanized equipment is being sheared for a long time, frictional heat, pollution, directly Connect and have influence on the greasy property that machine equips friction pair.At present to used-oil performances evaluation mainly by offline sampling point Based on analysis, some online fluid sampling techniques have also been engendered recently.
Lubricating oil off-line monitoring technology is the equipment lubricating oil or working media sample to collecting offline, using light, electricity, The technological means such as magnetics, analyze its physical and chemical index and detect the various particle informations for carrying, so as to the lubrication for obtaining machine is ground Damage state, scientifically to take measures, Support Equipment operation safety.And fluid on-line monitoring is referred in running to profit Lubricating oil is in real time, continuous monitoring is simultaneously timely dynamically obtains the status informations such as lubricated sliding wear, reaches real-time lubrication and abrasion state prison Survey and fault diagnosis purpose.The on-line monitoring of lubricating system eliminates the artificial uncertain factor of offline oil liquid detection, sampling Almost carry out simultaneously with detection, and the lubricated sliding wear real-time status that mechanical system can be provided for personnel in time, ensure mechanized equipment Operation safety.
At present, online fluid sampling technique is compared to there is several years ago some substantial progress;But, online fluid takes After sample, how by the fluid signal for being sampled with speed faster and relatively low cost transport to control end and display terminal, with A complete Oil Monitor System is constituted, a technical problem for not obtaining effectively solving is still.
The content of the invention
The present invention is solution above-mentioned technical problem, there is provided one kind can expand modular online Oil Monitor System and side Method, simple structure, performance are good, the construction cycle is short, low cost, and fast response time, extensibility it is strong, can remote operation, have Can expand, modular feature.
Online Oil Monitor System of the invention is adopted the following technical scheme that:One kind can expand modular online oil liquid monitoring Modularity oil liquid monitoring device in system, including at least one bypass oil circuit added installed in machinery lubrication system, industry Computer, and at least one CAN can expand controller;The industrial computer is by Ethernet with wired or wireless company Connect mode and can expand controller with the CAN and be connected;The CAN can expand controller by CAN and module Carburetion liquid monitoring device is connected.
The CAN can expand controller including ARM chips, ethernet controller, ethernet connector, CAN Adapter, CAN interface chip;The ARM chips are connected respectively with ethernet controller, CAN interface chip, ether Net controller is connected with ethernet connector, and CAN interface chip is connected with CAN adapter.
The CAN extensible controller also includes power transfer module, the outfan point of the power transfer module It is not connected with the ARM chips, ethernet controller, ethernet connector, CAN interface chip.
The industrial computer directly can expand controller and be connected with a CAN, or by router with it is multiple CAN can expand controller and be connected.And router is cable router, or for wireless router.
The modularity oil liquid monitoring device includes that ARM chips, information gathering feedback unit, direct current generator, control drive Unit, self-protection unit, proximity switch and CAN communication unit;The ARM chips respectively with CAN communication unit, information gathering Feedback unit, control driver element, self-protection unit and proximity switch connection, control driver element respectively with self-protection Unit, direct current generator connection, information gathering feedback unit is connected with direct current generator.
The modularity oil liquid monitoring device also includes DC source interface and the power conversion unit being connected;The electricity Source converting unit respectively with CAN communication unit, ARM chips, information gathering feedback unit, control driver element, self-protection list Unit, proximity switch and DC source interface connection, control driver element is connected with DC source interface.
Online oil monitoring method of the invention is adopted the following technical scheme that:Based on opening up for the online Oil Monitor System Modular online oil monitoring method is opened up, is comprised the following steps:
S1, first initialization ARM chips, the CAN that reinitializes adapter, CAN interface chip, Ethernet control Device;
S2, subsequently into circulation, judge whether to receive industrial computer instruction, if not receiving industrial computer instruction Then continue cycling through, if receiving if industrial computer is instructed next step is entered;
S3, ARM chip reads first CAN feedback information, then calculates which platform machine, needs to detect which refers to Mark, then in conjunction with the industrial computer instruction for receiving the Static State Index information such as packing viscosity, moisture, packing abrasion, dirt are carried out The dynamic indicator information such as dye, picture;
S4, complete after the packing work of Static State Index information and dynamic indicator information, ARM chips first send a command to CAN Bus, retransmits feedback information to Ethernet, then determines whether Ethernet receive information mark, has, and returning S2 judgements is It is no to receive industrial computer instruction, no then return S3 reading CAN feedback informations.
The principle of the present invention is as follows:A kind of extendible framework is established, CAN can expand controller and module carburetion Liquid monitoring device can be by wired and wirelessly be extended, so as to constituting by CAN control area net(CAN) networks.With This simultaneously, CAN can expand the number that controller obtains the modularity oil liquid monitoring device above these CAN control area net(CAN) networks According to rear, industrial computer is transmitted data to, reach the purpose that display terminal can be controlled and show each machine data;This Outward, CAN can expand controller and carry out point-to- point communication by switch and industrial computer, so in a network segment, Constituting CAN again can expand the feature expanded of controller, and overall composition one can expand modular online fluid prison Examining system.
Compared with prior art, the present invention has the advantages that:Whole monitoring system adopts fabricated structure, to be Centered on system design, principle is designed as with hierarchical modularity, it is complete and single per primary controller task.Not only structure letter It is single, performance is good, the construction cycle is short, low cost, and fast response time, extensibility it is strong, can remote operation, with planning in real time Ability.
Description of the drawings
Fig. 1 is the structural representation of the present invention;
Fig. 2 is a kind of schematic diagram of Ethernet wired connection mode of Fig. 1;
Fig. 3 is the schematic diagram of another kind of Ethernet radio connection of Fig. 1;
Fig. 4 is the remote control structure schematic diagram that CAN can expand controller;
Fig. 5 is the local control structure schematic diagram that CAN can expand controller;
Fig. 6 is modularity oil liquid monitoring device connection diagram in the present invention;
Fig. 7 is the monitoring flow chart of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment the present invention will be further described, but embodiments of the present invention are not limited to This.
Embodiment
As shown in figure 1, the present invention includes that industrial computer 1, at least one CAN can expand controller 2, CAN The modularity oil liquid monitoring device 3 of (i.e. CAN-bus), DC power supplier 4 and at least one, modularity oil liquid monitoring device 3 is pacified In being mounted in the additional bypass oil circuit of machinery lubrication system.Industrial computer 1 by Ethernet with wired or wireless connected mode with One or more CANs can expand controller and be connected;One or more CANs can expand controller by CAN-bus point It is not connected with one or more modularity oil liquid monitoring devices.DC power supplier 4 can expand with CAN respectively controller, Modularity oil liquid monitoring device is connected, and can expand controller, modularity oil liquid monitoring device to CAN and power.
The Ethernet wired connection mode is:Industrial computer directly can expand controller and be connected with a CAN, Or can expand controller by router 5 and multiple CANs and be connected, as shown in Figure 2.The Ethernet radio connection Controller can be expanded for industrial computer with one or more CANs by router 5 with wireless communication mode to be connected, such as scheme Shown in 3.Router can be wireless router, or cable router.
As shown in Figure 4,5, CAN can expand controller and control including power transfer module 6, ARM chips 7, Ethernet Device 8, ethernet connector 9, CAN adapter 10, CAN interface chip 11;The outfan difference of power transfer module 6 Be connected with ARM chips 7, ethernet controller 8, ethernet connector 9, CAN interface chip 11, ARM chips 7 respectively with Too net controller 8, CAN interface chip 11 connect, and ethernet controller 8 is connected with ethernet connector 9, and CAN connects Mouth chip 11 is connected with CAN adapter 10.Wherein, ethernet connector directly can be connected with industrial computer, also may be used To be connected with industrial computer by router, CAN adapter 10 is connected with CAN-bus, the 24V of power transfer module 6, COM inputs are connected with DC power supplier 4.
As shown in fig. 6, modularity oil liquid monitoring device includes DC source interface 12, power conversion unit 13, ARM chips 14th, information gathering feedback unit 15, direct current generator 16, control driver element 17, self-protection unit 18, proximity switch 19 and CAN communication unit 20.Power conversion unit 13 respectively with CAN communication unit 20, ARM chips 14, information gathering feedback unit 15, Control driver element 17, self-protection unit 18, proximity switch 19 and DC source interface 12 connect, and ARM chips 14 are distinguished With CAN communication unit 20, information gathering feedback unit 15, control driver element 17, self-protection unit 18 and proximity switch 19 connections, control driver element 17 is connected respectively with self-protection unit 18, direct current generator 16 and DC source interface 12, information Collection feedback unit 15 is connected with direct current generator 16.Power conversion unit 13 is connected with DC source interface 12, for by the external world Running voltage of the voltage conversion into above-mentioned each part.ARM chips 14 are connected by CAN communication unit 20 with host computer signal, ARM Chip 14 controls the opening and closing of electromagnetic valve, and the control signal that ARM chips send is sent to water after control driver element 17 is demodulated Pump, controls the operating of water pump, and signals collecting feedback unit 15 is used to gather the information of water pump and communicate information to ARM chips 14, ARM chips 14 adjust the instant working condition of water pump according to feedback information;The control driver element 17 connects with DC source Mouth 12 is connected;Electromagnetic valve is connected with outside oil circuit;In detection, electromagnetic valve is opened, and fluid enters modularity under water pump effect Oil liquid monitoring device.Wherein, CAN communication unit 20 is connected with CAN-bus, 24V, COM input of DC source interface 12 with DC power supplier 4 is connected.
The outfan 24V of DC power supplier 4 respectively with input 24V, the CAN of modularity oil liquid monitoring device 3 The input 24V connections of controller 2 can be expanded.The outfan GND of DC power supplier 4 respectively with modularity oil liquid monitoring device 3 input COM, CAN can expand the input COM connections of controller 2.
Modularity oil liquid monitoring device 3 can be with the viscosity of independent acquisition fluid, moisture, dielectric constant, temperature, dustiness etc. The fluid indexs such as level, abrasion concentration, fluid picture, each fluid index, all can be so that " CAN extends after analog acquisition The form of the frame ID+extension bit data frames of frame 16 " is packed, so modularity oil liquid monitoring device 3 output port all Can be 1# viscosity _ CAN extension frame ID+extension bit data frames of frame 16,1# moisture _ CAN extension frame ID+extension 16 data of frame Form as frame, these data are all hung in CAN.Also have 2#, 3# modularity oil liquid monitoring device 3 to hang over In CAN, the index of 2#, 3# can be different from 1#, but all can be that tape label is hung in bus, constitute CAN controls LAN, thus constitutes the LAN expanded of modularity oil liquid monitoring device.At the same time, CAN can expand control Device processed 2 is obtained after the data that modularity oil liquid monitoring device 3 is gathered in these CAN control area net(CAN) networks, 1# machines, 2# machine entirety Packing, while setting up home server, industrial computer 1 is sent to by information such as pictures, by packing data by TCP/IP Industrial computer 1 is sent to without what is monitored by UDP, the mesh that display terminal can be controlled and show each machine data is reached , while CAN can expand controller 2 carries out point-to- point communication by switch and industrial computer 1.
Referring to Fig. 7, the present invention can expand the online Oil Monitor System of module, comprise the following steps:
S1, first initialization ARM controller (i.e. ARM chips), the CAN that reinitializes adapter, CAN interface core Piece, ethernet controller;
S2, subsequently into circulation, judge whether to receive host computer instruction, continue to follow if not receiving if host computer is instructed Ring, if receiving if host computer (i.e. industrial computer) is instructed next step is entered;
S3, ARM chip reads first CAN feedback information, then calculates which platform machine, needs to detect which refers to Mark, then in conjunction with the host computer instruction for receiving the Static State Index information such as packing viscosity, moisture, packing abrasion, pollution, figure are carried out The dynamic indicator information such as piece;
S4, complete after the packing work of Static State Index information and dynamic indicator information, ARM chips first send a command to CAN Bus, retransmits feedback information to Ethernet, then determines whether Ethernet receive information mark, has, and returning S2 judgements is It is no to receive host computer instruction, no then return S3 reading CAN feedback informations.
Above-described embodiment is one embodiment of the present invention, but embodiments of the present invention are not limited and this, are engaged in Any modification, replacement, improvement that art personnel are made under without departing from spirit of the invention and principle, are all contained in this In bright protection domain.

Claims (8)

1. one kind can expand modular online Oil Monitor System, including at least one is arranged on what machinery lubrication system was added Modularity oil liquid monitoring device in bypass oil circuit, it is characterised in that can also including industrial computer and at least one CAN Expand controller;The industrial computer can expand control with wired or wireless connected mode by Ethernet with the CAN Device processed is connected;The CAN can expand controller and is connected with modularity oil liquid monitoring device by CAN;
The CAN can expand controller including ARM chips, ethernet controller, ethernet connector, CAN connection Device, CAN interface chip;The ARM chips are connected respectively with ethernet controller, CAN interface chip, ether network control Device processed is connected with ethernet connector, and CAN interface chip is connected with CAN adapter.
2. online Oil Monitor System according to claim 1, it is characterised in that the CAN extensible controller Also include power transfer module, the outfan of the power transfer module respectively with the ARM chips, ethernet controller, with Too net adapter, the connection of CAN interface chip.
3. online Oil Monitor System according to claim 1 and 2, it is characterised in that the industrial computer directly with One CAN can expand controller and be connected, or can expand controller by router and multiple CANs and be connected.
4. online Oil Monitor System according to claim 3, it is characterised in that the router is cable router, Or for wireless router.
5. online Oil Monitor System according to claim 1, it is characterised in that the modularity oil liquid monitoring device bag Include ARM chips, information gathering feedback unit, direct current generator, control driver element, self-protection unit, proximity switch and CAN logical News unit;The ARM chips respectively with CAN communication unit, information gathering feedback unit, control driver element, self-protection list Unit and proximity switch connection, control driver element is connected respectively with self-protection unit, direct current generator, information gathering feedback Unit is connected with direct current generator.
6. online Oil Monitor System according to claim 5, it is characterised in that the modularity oil liquid monitoring device is also Including the DC source interface and power conversion unit that are connected;The power conversion unit respectively with CAN communication unit, ARM Chip, information gathering feedback unit, control driver element, self-protection unit, proximity switch and the connection of DC source interface, Control driver element is connected with DC source interface.
7. online Oil Monitor System according to claim 1, it is characterised in that the online Oil Monitor System is also wrapped Include DC power supplier;The DC power supplier can expand respectively controller company with modularity oil liquid monitoring device, CAN Connect.
8. modular online oil monitoring method is expanded based on online Oil Monitor System described in claim 1, it is special Levy and be, comprise the following steps:
S1, first initialization CAN can expand the ARM chips of controller, and the CAN that reinitializes adapter, CAN connect Mouth chip, ethernet controller;
S2, subsequently into circulation, judge whether to receive industrial computer instruction, if do not receive if industrial computer is instructed after Continuous circulation, if receiving if industrial computer is instructed next step is entered;
S3, CAN can expand the ARM chips of controller and read CAN feedback information first, then calculate which platform machine Device, need detect which index, then in conjunction with receive industrial computer instruction carry out packing viscosity, moisture Static State Index letter Breath, packing abrasion, pollution, picture dynamic indicator information;
S4, complete after the packing work of Static State Index information and dynamic indicator information, ARM chips first send a command to CAN, Feedback information is retransmited to Ethernet, Ethernet receive information mark is then determined whether, is had, returned S2 and judge whether to connect Receive industrial computer instruction, no then return S3 reading CAN feedback informations.
CN201410593700.6A 2014-10-29 2014-10-29 Expandable modular on-line oil and liquid monitoring system and method Active CN104456040B (en)

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JPH08121690A (en) * 1994-10-25 1996-05-17 A S K Kk Visual monitoring method of flow in lubricating oil pipeline
US9371774B2 (en) * 2011-09-13 2016-06-21 Michael Lescure Fully automated emergency generator fuel oil system and method for operation thereof
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