CN109425554A - Convenient for the system for remotely monitoring cutting machine Oil Quality - Google Patents
Convenient for the system for remotely monitoring cutting machine Oil Quality Download PDFInfo
- Publication number
- CN109425554A CN109425554A CN201710745126.5A CN201710745126A CN109425554A CN 109425554 A CN109425554 A CN 109425554A CN 201710745126 A CN201710745126 A CN 201710745126A CN 109425554 A CN109425554 A CN 109425554A
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- China
- Prior art keywords
- signal
- microprocessor
- oscillation
- oscillator signal
- electrically connected
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
- G01N11/10—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by moving a body within the material
- G01N11/16—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by moving a body within the material by measuring damping effect upon oscillatory body
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
- G01N9/002—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity using variation of the resonant frequency of an element vibrating in contact with the material submitted to analysis
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
- G01N9/36—Analysing materials by measuring the density or specific gravity, e.g. determining quantity of moisture
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The invention discloses a kind of systems convenient for remotely monitoring cutting machine Oil Quality, including oscillator signal generator, oscillator signal driver, signal acquisition module, signal conversion module, microprocessor, power supply, signal transmitting and receiving module and host computer.System of the present invention convenient for long-range monitoring cutting machine Oil Quality controls oscillator signal driver driving oscillation signal generator by microprocessor and generates stable oscillation stationary vibration, signal acquisition module obtains frequency of oscillation and corresponding impedance, and it sends it to after signal conversion module is converted and is output to microprocessor, microprocessor calculates the density of testing medium, viscosity value, to judge the quality of testing medium, realize the real-time monitoring to media qualities to be measured, the present invention has the characteristics of monitoring is accurate, high sensitivity simultaneously.
Description
Technical field
The present invention relates to Oil Monitoring Techniques, specifically the system convenient for long-range monitoring cutting machine Oil Quality.
Background technique
It is usually applied to cutting machine during processing furniture, in order to guarantee that cutting machine runs smooth, cutting machine
In usually use lubricant medium of the lubricating oil as engine, for reduce surface abrasion between component and cause component fatigue,
The height of lubricating oil quality will directly determine the service life of engine, therefore must be monitored in real time to Lubricating Oil quality.
And traditional engine oil quality quantity sensor be by measure machine oil dielectric constant or conductivity come reflect its oil viscosity,
Water content and impurity etc. finally assess its quality level.But the measurement of oil medium dielectric constant and conductivity is needed to construct electricity
Capacity sensor is affected by other external electromagnetic environment conditions in monitoring process, is easy to cause measurement result not
Accurately, moreover, assess the height of oil quality using only dielectric constant and conductivity parameter single so also can not be to oil
Medium is comprehensively analyzed.
Summary of the invention
In view of the above technical problems, the purpose of the present invention is to provide a kind of convenient for remotely monitoring cutting machine Oil Quality
System can directly and accurately measure viscosity, the density dielectric constant of the liquid including lubricating oil, and then realize to be measured
The real-time monitoring of media qualities.
The purpose of the present invention is achieved through the following technical solutions: a kind of convenient for remotely monitoring cutting machine Oil Quality
System, characterized by comprising: oscillator signal generator, oscillator signal driver, signal acquisition module, signal conversion module,
Microprocessor, power supply, signal transmitting and receiving module and host computer；
The oscillator signal generator is electrically connected with oscillator signal driver, detects sensing element as medium；
The oscillator signal driver is electrically connected with microprocessor, is vibrated for driving oscillation signal generator；
The signal acquisition module is electrically connected with oscillator signal generator, for obtaining the oscillation frequency of oscillator signal generator
Rate and corresponding impedance, and send it to signal conversion module；
The signal conversion module is electrically connected with signal acquisition module, for by oscillator signal generator frequency of oscillation and right
The impedance transformation answered is to receive the format that signal matches with microprocessor, and send it to microprocessor；
The microprocessor is vibrated for controlling oscillator signal driver driving oscillation signal generator, while according to reception
Oscillator signal generator frequency of oscillation and corresponding impedance computation testing medium density, viscosity value；
The power supply is electrically connected with microprocessor, oscillator signal driver, signal acquisition module and signal conversion module, is used
In to microprocessor, oscillator signal driver, signal acquisition module and signal conversion module power supply；
The signal transmitting and receiving module is electrically connected with microprocessor, calculates the testing medium obtained for exporting microprocessor
Density, viscosity value；
The host computer is electrically connected with signal transmitting and receiving module, for show signal transmitting and receiving module output testing medium it is close
Degree, viscosity value.
In conclusion the invention has the following advantages: the present invention controls oscillator signal driver by microprocessor
Driving oscillation signal generator generates stable oscillation, and signal acquisition module obtains frequency of oscillation and corresponding impedance, and by its
It is sent to after signal conversion module is converted and is output to microprocessor, microprocessor calculates the density of testing medium, viscosity number
Value, so that the quality to testing medium judges, realizes the real-time monitoring to media qualities to be measured.Meanwhile it should be convenient for remote
The system that journey monitors cutting machine Oil Quality has the characteristics of monitoring is accurate, high sensitivity.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the embodiment of the present invention, constitutes one of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is schematic structural view of the invention.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below with reference to embodiment and attached drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation for explaining only the invention, are not made
For limitation of the invention.
Embodiment:
As shown in Figure 1, convenient for the system of long-range monitoring cutting machine Oil Quality, including oscillator signal generator 101, oscillation
Signal driver 102, signal acquisition module 103, signal conversion module 104, microprocessor 105, signal transmitting and receiving module 107, on
Position machine 108 and power supply 106.
The oscillator signal generator 101 is electrically connected with oscillator signal driver 102, intrinsic frequency 32.768kHZ, will
It is placed in testing medium, detects sensing element as medium.
The oscillator signal driver 102 is electrically connected with microprocessor 105, is specifically included: frequency generating units 1023, filter
Wave unit 1022 and amplifying unit 1021.
The frequency generating units 1023 are electrically connected with microprocessor 105, specifically include AD9850 chip, Current Voltage turns
Change circuit and difference channel, wherein AD9850 chip generates the list of two-way polarity complementation according to the output signal of microprocessor 105
Polarity current signal；Current signal is converted into voltage signal by current-to-voltage converting circuit, then passes through difference channel for two
Road complementary monopole voltage signal is converted to the voltage signal of double-polarity control, and the excitation as oscillator signal generator 101 is believed
Number it is output to filter unit 1022.
The filter unit 1022 is electrically connected with amplifying unit 1021, using quadravalence low-pass Bessel filter.Frequency produces
The excitation signal waveforms that raw unit 1023 exports are that sampling is formed by stacking, containing a large amount of high frequency spurs aliasing signal, through quadravalence
After low-pass Bessel filter filters out impurity, smooth sine wave is obtained.
The amplifying unit 1021 is electrically connected with oscillator signal generator 101, using in-phase proportion amplifying circuit.
The signal acquisition module 103 is electrically connected with oscillator signal generator 101, is measured using simplified autobalance method
Impedance obtains frequency impedance characteristic of the oscillator signal generator 101 under testing medium, to obtain oscillator signal generator
101 frequency of oscillation and corresponding impedance, and send it to signal conversion module 104.
The signal conversion module 104 is electrically connected with signal acquisition module 103, including AD637 root mean square chip.Oscillation letter
The pumping signal that number driver 102 exports is frequency signal, defeated after oscillator signal generator 101 and signal acquisition module 103
Signal is also sinusoidal frequency signal out, and the format mismatching of signal is received with microprocessor 105A/D module, therefore by signal acquisition
101 frequency of oscillation of oscillator signal generator and corresponding impedance that module 103 exports are converted through AD637 root mean square chip,
The signal that the format for receiving signal with microprocessor 105A/D module matches is converted to, microprocessor 105 is sent to.
Oscillator signal generator 101 is placed in testing medium in the present embodiment, and testing medium density is different, then its surface institute
Attached medium effective mass is different, different so as to cause the frequency of oscillation of oscillator signal generator 101.Therefore oscillator signal generator
101 frequency of oscillation can reflect the variation of testing medium density.Oscillator signal generates the microprocessor 105 based on the received
101 frequency of oscillation of device obtains the density values of testing medium through internal calculation.
Oscillator signal generator 101 is placed in testing medium in the present embodiment, and impedance operator is by testing medium viscosity
Certain variation can occur for influence, therefore the impedance of oscillator signal generator 101 can reflect the variation of testing medium viscosity.It is described
Microprocessor 105 based on the received 101 frequency of oscillation of oscillator signal generator through internal calculation obtain testing medium viscosity number
Value.
The signal transmitting and receiving module 107 is electrically connected with microprocessor 105, and using CAN controller, microprocessor 105 is counted
The testing medium density of calculation acquisition, viscosity value are output to host computer 108, realize between microprocessor 105 and host computer 108
Communication.
The host computer 108 is electrically connected with signal transmitting and receiving module 107, using PC machine, shows the output of signal transmitting and receiving module
The density of testing medium, viscosity value.
The power supply 106 is converted with microprocessor 105, oscillator signal driver 102, signal acquisition module 103 and signal
Module 104 is electrically connected, and ambipolar 106 chip LM7805 and LM7905 chip of linear stabilized power supply is specifically included, by outside ± 12V
Power supply is converted into ± 5V to microprocessor 105, oscillator signal driver 102, signal acquisition module 103 and signal conversion module
104 power supplies.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not intended to limit the present invention the foregoing is merely a specific embodiment of the invention
Protection scope, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (1)
1. convenient for the system of long-range monitoring cutting machine Oil Quality characterized by comprising oscillator signal generator, oscillation letter
Number driver, signal acquisition module, signal conversion module, microprocessor, power supply, signal transmitting and receiving module and host computer；
The oscillator signal generator is electrically connected with oscillator signal driver, detects sensing element as medium；
The oscillator signal driver is electrically connected with microprocessor, is vibrated for driving oscillation signal generator；
The signal acquisition module is electrically connected with oscillator signal generator, for obtain oscillator signal generator frequency of oscillation and
Corresponding impedance, and send it to signal conversion module；
The signal conversion module is electrically connected with signal acquisition module, for by oscillator signal generator frequency of oscillation and corresponding
Impedance transformation is to receive the format that signal matches with microprocessor, and send it to microprocessor；
The microprocessor shakes based on the received for controlling the oscillation of oscillator signal driver driving oscillation signal generator
Swing density, the viscosity value of signal generator frequency of oscillation and corresponding impedance computation testing medium；
The power supply is electrically connected with microprocessor, oscillator signal driver, signal acquisition module and signal conversion module, for giving
Microprocessor, oscillator signal driver, signal acquisition module and signal conversion module power supply；
The signal transmitting and receiving module is electrically connected with microprocessor, calculates the close of the testing medium obtained for exporting microprocessor
Degree, viscosity value；
The host computer is electrically connected with signal transmitting and receiving module, the density of the testing medium for showing the output of signal transmitting and receiving module,
Viscosity value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710745126.5A CN109425554A (en) | 2017-08-25 | 2017-08-25 | Convenient for the system for remotely monitoring cutting machine Oil Quality |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710745126.5A CN109425554A (en) | 2017-08-25 | 2017-08-25 | Convenient for the system for remotely monitoring cutting machine Oil Quality |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109425554A true CN109425554A (en) | 2019-03-05 |
Family
ID=65500293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710745126.5A Withdrawn CN109425554A (en) | 2017-08-25 | 2017-08-25 | Convenient for the system for remotely monitoring cutting machine Oil Quality |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109425554A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113465701A (en) * | 2021-06-28 | 2021-10-01 | 汉中一零一航空电子设备有限公司 | Oil level measuring system and method for oil product |
-
2017
- 2017-08-25 CN CN201710745126.5A patent/CN109425554A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113465701A (en) * | 2021-06-28 | 2021-10-01 | 汉中一零一航空电子设备有限公司 | Oil level measuring system and method for oil product |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190305 |