CN110307965A - A kind of oil addition condition detecting system - Google Patents
A kind of oil addition condition detecting system Download PDFInfo
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- CN110307965A CN110307965A CN201910552642.5A CN201910552642A CN110307965A CN 110307965 A CN110307965 A CN 110307965A CN 201910552642 A CN201910552642 A CN 201910552642A CN 110307965 A CN110307965 A CN 110307965A
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- 239000004519 grease Substances 0.000 claims abstract description 17
- 230000008859 change Effects 0.000 claims abstract description 11
- 238000012806 monitoring device Methods 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 238000001514 detection method Methods 0.000 claims description 29
- 230000009466 transformation Effects 0.000 claims description 21
- 238000004891 communication Methods 0.000 claims description 14
- 239000000446 fuel Substances 0.000 claims description 13
- 238000012546 transfer Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 10
- 238000001069 Raman spectroscopy Methods 0.000 claims description 9
- 239000003990 capacitor Substances 0.000 claims description 9
- 239000006185 dispersion Substances 0.000 claims description 9
- 239000000523 sample Substances 0.000 claims description 9
- 230000001050 lubricating effect Effects 0.000 claims description 8
- 238000011084 recovery Methods 0.000 claims description 8
- 238000012544 monitoring process Methods 0.000 claims description 7
- 238000012360 testing method Methods 0.000 claims description 7
- 239000011159 matrix material Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 230000003287 optical effect Effects 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 4
- 238000000354 decomposition reaction Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 238000003384 imaging method Methods 0.000 claims description 3
- 230000010365 information processing Effects 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 1
- 230000002452 interceptive effect Effects 0.000 claims 1
- 238000012545 processing Methods 0.000 claims 1
- 230000003993 interaction Effects 0.000 abstract description 4
- 239000000314 lubricant Substances 0.000 description 5
- 230000006872 improvement Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/65—Raman scattering
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/00584—Control arrangements for automatic analysers
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- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention patent discloses a kind of oil addition condition detecting system, which is made of sensor-based system and sensor.Sensor-based system using the structure type that can be cut can not only be independently accessed oil supply system as monitoring device using disclosed J1939 agreement, but also can construct two layers or the closed loop sensor-based system of multilayered structure.Sensor is mounted on oil filling pipeline, by the state change before and after filling grease inside oil filling pipeline, judges whether have grease to pass through in pipeline, and will judge signal by sensor-based system transmission, shown on human-computer interaction interface.
Description
Technical field
The present invention relates to oil addition state inspection fields, in particular to the oil addition state in centralized lubrication field
Detection.
Background technique
Currently, lubricating system especially centralized lubricating system usually detects dispenser unit, pass through distributor list
The working condition of member judges the oiling state of lubricant housings indirectly, can not the end concrete position to oil addition carry out state inspection
It surveys, more lubricating system of counting for lubrication, maintenance personnel can not fast and accurately determine which specific lubricant housings exists
Problem.
In view of the above circumstances, how to allow each lubricant housings of lubricating system can accurate feedback filling information, prompt dimension
Shield personnel find trouble location as early as possible and are particularly important, and are those skilled in the art's technical problems urgently to be resolved.
Summary of the invention
It is an object of the invention in view of the foregoing drawbacks, and provide a kind of for detecting the sensing system of oil addition state
System.
A kind of oil addition condition detecting system, the system are made of sensor-based system and sensor, and sensor-based system utilizes public affairs
The J1939 agreement opened can not only be independently accessed oil supply system as monitoring device using the structure type that can be cut, but also can be with
Building two layers or multilayered structure closed loop sensor-based system；Sensor is mounted on oil filling pipeline, by adding inside oil filling pipeline
State change before and after grease injection judges whether have grease to pass through in pipeline, and will judge signal by sensor-based system transmit,
It is shown on human-computer interaction interface.
A kind of oil addition condition detecting system above-mentioned, it is characterised in that: the sensor-based system of three-decker includes control
Plate, intermediate plate and sensor composition, control panel is connected by bus with monitoring device with intermediate plate, 12 volts of control panel offer or
24 volts of power supply boards, are equipped with indicator light on power supply board, and the indicator light is LED light；It is sealed in metal shell, uses
J1939 agreement is communicated, and is connected by the display screen installed on multiple bus and main switchboard, and intermediate plate is connection control panel
It completes to monitor on end signal using the CAN bus structure based on J1939 agreement with the intermediate treatment part of monitoring end device
It passes, monitoring end device uses infrared or optical system, and the moment detects lubricating grease mobility status, and will test in signal is transferred to
In portion's MCU controller, after controller receives and processes, using interrupting or polling mode is sent into bus, according to J1939 agreement,
And real-time display monitors situation on a display screen.
A kind of oil addition condition detecting system above-mentioned, it is characterised in that: the sensor is drawn using fractional order domain
Graceful effect is detected, and light source issues optical path and sequentially passes through dispersion system, reception system, information processing system；Light source is using white
The light sources such as color or red, laser, dispersion system use convex lens, and convex lens radius is according to imaging formula:
U expression thing is away from v indicates image distance, and f indicates focal length in formula；
The laggard row interpolation operation of data is acquired, dispersion data are handled, the equation of use is as follows:
It obtains being worth laggard line frequency transformation FFT or fractional order FFT operation, is transformed into frequency domain, obtains transformed score
Rank domain matrix, here comprising order variation and transformation results, order variation describes the range of signal frequency variation, transformation results
What is obtained is the size of energy, by setting respective threshold value matrix Xp(u0), determination frequency change degree changes feelings according to frequency
Condition judges testing result.Specific method is the Fourier Transform of Fractional Order of signal x (t) is defined as:
Wherein: p=2 α/π is transformation order, and α is rotation angle, Fp[] is the operator notation of transformation, Kp(t, u) is
Transformation kernel:
Fourier Transform of Fractional Order is inversely transformed into:
The definition of Fourier Transform of Fractional Order can be regarded as the decomposition of Chirp base, as transformation order continuously increases from 0
It grows to 1 and shows signal and all features to frequency domain are changed stepwise from time domain；
Initial value X is set with corresponding after the calculated result of frequency change degreep(u0) compare, using two methods, one is sides
Journey is as follows:
p1(x)=Xp(u)-Xp(u0) (4)
p2(x)=Xp(u)/Xp(u0) (5)
p1(x) give variation as a result, p2(x) speed of frequency variation is given；Obtain transformed frequency domain value.
A kind of oil addition condition detecting system above-mentioned, it is characterised in that: the sensor includes at STM32 micro-control
Manage device power module connected to it, Raman probe and the CAN bus of transmission；The power module DC power supply is STM32
Micro-control processor, Raman probe；The light source of the Raman probe is that LED light source front end is convex lens, is provided in circuit
Resistance R3, R4, R5 and ADC；After the LED light is connected with resistance R5, power supply, other end ground connection are accessed in one end；Described；Institute
One end connects to power supply after resistance R3, R4 series connection stated, and other end ground connection, one end of ADC is connected in parallel between resistance R3, R4.
A kind of oil addition condition detecting system above-mentioned, it is characterised in that: sensor detects CAN communication circuit, including
SN65HVD230DR receiver, 5 plug connector of Header；The SN65HVD230DR receiver share 8 ends endpoint 1-4 with
CAN receives pin TX1-RX4 connection；5,8 endpoints of the SN65HVD230DR connect self-recovery fuse and ground connection respectively；Institute
6,7 endpoints of the SN65HVD230DR stated connect the terminal 3,2 of 5 plug connector of Header respectively；5 plug connector of Header
Terminal 1,4,5 connects 5V direct current, ground connection and I/O device respectively.
A kind of oil addition condition detecting system above-mentioned, it is characterised in that: the intermediate plate controls CAN communication circuit,
8 endpoints are shared including SN65HVD230DR receiver, 4 plug connector of Header and resistance R20, SN65HVD230DR receiver
The end 1-4 receives pin TX1-RXI4 with CAN and connect；5,8 endpoints of the SN65HVD230DR connect self-recovery fuse respectively
And ground connection；6,7 endpoints of the SN65HVD230DR connect the terminal 3,2 of 4 plug connector of Header respectively；The Header
The terminal 1,4 of 4 plug connectors connects 5V direct current, ground connection respectively；6,7 endpoints of the resistor coupled in parallel in SN65HVD230DR connect
On line, prevent to be 120 Ω.
A kind of oil addition condition detecting system above-mentioned, it is characterised in that: control panel CAN communication circuit, including
TJA1050 transceiver, 4 plug connector of Header, capacitor C13, C12, resistance R11, R12, R13, R14, R22, R23, R24, common mode
Inductance patch P2, CANO；The TJA1050 transceiver shares 8 endpoints, and endpoint 1 is connect with CAN TX1, the one end resistance R24
In parallel with endpoint 1, the other end accesses 5V DC power supply；Endpoint 2 is grounded, and endpoint 3 is connect with 5V DC power supply, endpoint 4 and resistance
It is grounded after R22 and R23 series connection；CAN RX1 wiring point is reserved between the resistance R22 and R23；The TJA1050
The endpoint 6,7,8 of transceiver is connected with one end of resistance R12, R13, R14 respectively, and endpoint 5 is connect with self-recovery fuse；It is described
The other end of resistance R12, R13 connect respectively with common mode inductance patch P2 contact 2,1,3,4 contacts of common mode inductance patch P2
It is connect respectively with 2,1 terminal of CANO；Access resistance R11 in parallel between 2,1 terminal of the CANO；The resistance R14's
Other end ground connection；One end ground connection other end of the capacitor C13 is in parallel with resistance R13；One end of the capacitor C12 and electricity
It is in parallel to hinder R12, other end ground connection.
A kind of oil addition condition detecting system above-mentioned, it is characterised in that: the sensor by fuel inlet fitting, goes out
Oily connector, detection shell, detection eyeglass, detecting element, transfer element composition, detection shell left and right ends are respectively arranged with oil inlet
The mounting hole of connector mounting hole and delivery connection；The inner wall of the hole installing of the fuel inlet fitting mounting hole and delivery connection is provided with
Screw thread is threadedly coupled with fuel inlet fitting and delivery connection respectively；The mounting hole of the oily connector mounting hole and delivery connection it
Between pass through oil communication；Detection oil circuit is vertically installed on the oil circuit；The detection oil circuit and detecting element mounting hole
Connection.
A kind of oil addition condition detecting system above-mentioned, it is characterised in that: the detection eyeglass is mounted on detection oil
On the road, top is equipped with transfer element, and lower section is equipped with detecting element；Detecting element mounting hole is provided with internal screw thread；It is described
Detecting element be threadedly coupled with detecting element mounting hole.
Grease enters detection shell from fuel inlet fitting, and detecting element detects grease, by oiling state and non-
The comparison of oiling state determines whether lubricant grease normally injects lubricant housings, and the information that transfer element will test is passed to system
It is defeated.
Detailed description of the invention
Fig. 1 is control principle drawing of the invention.
Fig. 2 is sensor of the invention control principle drawing.
Fig. 3 is sensor of the invention structural schematic diagram.
1. fuel inlet fitting 11. detects shell 5. and detects 20. transfer element of eyeglass, 31. delivery connection, 40. detecting element
Fig. 4 is sensor of the invention work the transmission line figure.
Fig. 5 is sensor of the invention photosensitive detection circuit figure.
Fig. 6 is sensor of the invention CAN communication circuit figure.
Fig. 7 is intermediate plate CAN communication circuit figure of the invention.
Fig. 8 is control panel CAN communication circuit figure of the invention.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.
A kind of oil addition condition detecting system, the system are made of sensor-based system and sensor, and sensor-based system utilizes public affairs
The J1939 agreement opened can not only be independently accessed oil supply system as monitoring device using the structure type that can be cut, but also can be with
Building two layers or multilayered structure closed loop sensor-based system；Sensor is mounted on oil filling pipeline, by adding inside oil filling pipeline
State change before and after grease injection judges whether have grease to pass through in pipeline, and will judge signal by sensor-based system transmit,
It is shown on human-computer interaction interface.
A kind of oil addition condition detecting system above-mentioned, it is characterised in that: the sensor-based system of three-decker includes control
Plate, intermediate plate and sensor composition, control panel is connected by bus with monitoring device with intermediate plate, 12 volts of control panel offer or
24 volts of power supply boards, are equipped with indicator light on power supply board, and the indicator light is LED light；It is sealed in metal shell, uses
J1939 agreement is communicated, and is connected by the display screen installed on multiple bus and main switchboard, and intermediate plate is connection control panel
It completes to monitor on end signal using the CAN bus structure based on J1939 agreement with the intermediate treatment part of monitoring end device
It passes, monitoring end device uses infrared or optical system, and the moment detects lubricating grease mobility status, and will test in signal is transferred to
In portion's MCU controller, after controller receives and processes, using interrupting or polling mode is sent into bus, according to J1939 agreement,
And real-time display monitors situation on a display screen.
A kind of oil addition condition detecting system above-mentioned, it is characterised in that: the sensor is drawn using fractional order domain
Graceful effect is detected, and light source issues optical path and sequentially passes through dispersion system, reception system, information processing system；Light source is using white
The light sources such as color or red, laser, dispersion system use convex lens, and convex lens radius is according to imaging formula:
U expression thing is away from v indicates image distance, and f indicates focal length in formula；
The laggard row interpolation operation of data is acquired, dispersion data are handled, the equation of use is as follows:
It obtains being worth laggard line frequency transformation FFT or fractional order FFT operation, is transformed into frequency domain, obtains transformed score
Rank domain matrix, here comprising order variation and transformation results, order variation describes the range of signal frequency variation, transformation results
What is obtained is the size of energy, by setting respective threshold value matrix Xp(u0), determination frequency change degree changes feelings according to frequency
Condition judges testing result.Specific method is the Fourier Transform of Fractional Order of signal x (t) is defined as:
Wherein: p=2 α/π is transformation order, and α is rotation angle, Fp[] is the operator notation of transformation, Kp(t, u) is
Transformation kernel:
Fourier Transform of Fractional Order is inversely transformed into:
The definition of Fourier Transform of Fractional Order can be regarded as the decomposition of Chirp base, as transformation order continuously increases from 0
It grows to 1 and shows signal and all features to frequency domain are changed stepwise from time domain；
Initial value X is set with corresponding after the calculated result of frequency change degreep(u0) compare, using two methods, one is sides
Journey is as follows:
p1(x)=Xp(u)-Xp(u0) (4)
p2(x)=Xp(u)/Xp(u0) (5)
p1(x) give variation as a result, p2(x) speed of frequency variation is given；Obtain transformed frequency domain value.
A kind of oil addition condition detecting system above-mentioned, it is characterised in that: the sensor includes at STM32 micro-control
Manage device power module connected to it, Raman probe and the CAN bus of transmission；The power module DC power supply is STM32
Micro-control processor, Raman probe；The light source of the Raman probe is that LED light source front end is convex lens, is provided in circuit
Resistance R3, R4, R5 and ADC；After the LED light is connected with resistance R5, power supply, other end ground connection are accessed in one end；Described；Institute
One end connects to power supply after resistance R3, R4 series connection stated, and other end ground connection, one end of ADC is connected in parallel between resistance R3, R4.
A kind of oil addition condition detecting system above-mentioned, it is characterised in that: sensor detects CAN communication circuit, including
SN65HVD230DR receiver, 5 plug connector of Header；The SN65HVD230DR receiver share 8 ends endpoint 1-4 with
CAN receives pin TX1-RX4 connection；5,8 endpoints of the SN65HVD230DR connect self-recovery fuse and ground connection respectively；Institute
6,7 endpoints of the SN65HVD230DR stated connect the terminal 3,2 of 5 plug connector of Header respectively；5 plug connector of Header
Terminal 1,4,5 connects 5V direct current, ground connection and I/O device respectively.
A kind of oil addition condition detecting system above-mentioned, it is characterised in that: the intermediate plate controls CAN communication circuit,
8 endpoints are shared including SN65HVD230DR receiver, 4 plug connector of Header and resistance R20, SN65HVD230DR receiver
The end 1-4 receives pin TX1-RXI4 with CAN and connect；5,8 endpoints of the SN65HVD230DR connect self-recovery fuse respectively
And ground connection；6,7 endpoints of the SN65HVD230DR connect the terminal 3,2 of 4 plug connector of Header respectively；The Header
The terminal 1,4 of 4 plug connectors connects 5V direct current, ground connection respectively；6,7 endpoints of the resistor coupled in parallel in SN65HVD230DR connect
On line, prevent to be 120 Ω.
A kind of oil addition condition detecting system above-mentioned, it is characterised in that: control panel CAN communication circuit, including
TJA1050 transceiver, 4 plug connector of Header, capacitor C13, C12, resistance R11, R12, R13, R14, R22, R23, R24, common mode
Inductance patch P2, CANO；The TJA1050 transceiver shares 8 endpoints, and endpoint 1 is connect with CAN TX1, the one end resistance R24
In parallel with endpoint 1, the other end accesses 5V DC power supply；Endpoint 2 is grounded, and endpoint 3 is connect with 5V DC power supply, endpoint 4 and resistance
It is grounded after R22 and R23 series connection；CAN RX1 wiring point is reserved between the resistance R22 and R23；The TJA1050
The endpoint 6,7,8 of transceiver is connected with one end of resistance R12, R13, R14 respectively, and endpoint 5 is connect with self-recovery fuse；It is described
The other end of resistance R12, R13 connect respectively with common mode inductance patch P2 contact 2,1,3,4 contacts of common mode inductance patch P2
It is connect respectively with 2,1 terminal of CANO；Access resistance R11 in parallel between 2,1 terminal of the CANO；The resistance R14's
Other end ground connection；One end ground connection other end of the capacitor C13 is in parallel with resistance R13；One end of the capacitor C12 and electricity
It is in parallel to hinder R12, other end ground connection.
A kind of oil addition condition detecting system above-mentioned, it is characterised in that: the sensor by fuel inlet fitting, goes out
Oily connector, detection shell, detection eyeglass, detecting element, transfer element composition, detection shell left and right ends are respectively arranged with oil inlet
The mounting hole of connector mounting hole and delivery connection；The inner wall of the hole installing of the fuel inlet fitting mounting hole and delivery connection is provided with
Screw thread is threadedly coupled with fuel inlet fitting and delivery connection respectively；The mounting hole of the oily connector mounting hole and delivery connection it
Between pass through oil communication；Detection oil circuit is vertically installed on the oil circuit；The detection oil circuit and detecting element mounting hole
Connection.
A kind of oil addition condition detecting system above-mentioned, it is characterised in that: the detection eyeglass is mounted on detection oil
On the road, top is equipped with transfer element, and lower section is equipped with detecting element；Detecting element mounting hole is provided with internal screw thread；It is described
Detecting element be threadedly coupled with detecting element mounting hole.
As described above, fuel inlet fitting 1 and the setting of delivery connection 31 are on detection shell.The setting of eyeglass 5 is detected in detection shell
On sense channel in body 11.Transfer element 20 and the setting of detecting element 40 are outside detection eyeglass 5.
Lubricating grease is injected into the oiling channel in detection shell 11 from the channel of fuel inlet fitting 1, and detecting element 40 detects oil
Rouge passes through state when sense channel, compares with the state of no filling grease, judges whether have grease to pass through in pipeline,
And it will determine that information is sent to transfer element 20.Transfer element 20 will determine that information passes to system, can be in human-computer interaction circle
It is shown on face.
Above-mentioned elaborated to a kind of oil addition condition detecting system of the present invention, specific case used herein
Principle and implementation of the present invention are described, the above embodiments are only used to help understand side of the invention
Method and its core concept.It should be pointed out that for those skilled in the art, not departing from the principle of the invention
Under the premise of, it can be with several improvements and modifications are made to the present invention, these improvement and modification also fall into the claims in the present invention
In protection scope.
Claims (8)
1. a kind of oil addition condition detecting system, the system are made of sensor-based system and sensor, sensor-based system utilizes disclosure
J1939 agreement oil supply system can be not only independently accessed as monitoring device, but also can be with structure using the structure type that can be cut
It builds two layers or the closed loop sensor-based system of multilayered structure；Sensor is mounted on oil filling pipeline, by filling inside oil filling pipeline
State change before and after grease judges whether have grease to pass through in pipeline, and will judge signal by sensor-based system transmit, in people
It is shown on machine interactive interface, it is characterised in that: the sensor-based system of the three-decker includes control panel, intermediate plate and sensor
Composition, control panel are connected by bus with monitoring device with intermediate plate, and control panel provides 12 volts or 24 volts of power supply boards, are being powered
Indicator light is installed, the indicator light is LED light on plate；It is sealed in metal shell, is communicated using J1939 agreement, led to
It crosses the display screen installed in multiple bus and main switchboard to be connected, intermediate plate is the middle for connecting control panel and monitoring end device
Part is managed, using the CAN bus structure based on J1939 agreement, completes to upload monitoring end signal, monitoring end device is using infrared
Or optical system, the moment detects lubricating grease mobility status, and will test signal and be transferred in internal MCU controller, controller
After receiving and processing, bus is sent into using interruption or polling mode, according to J1939 agreement, and real-time display on a display screen
Monitor situation.
2. according to right want 1 described in a kind of oil addition condition detecting system, it is characterised in that: the sensor using point
Number rank domain Ramam effect is detected, and light source issues optical path and sequentially passes through dispersion system, reception system, information processing system；Light
Source uses convex lens using the light sources such as white or red, laser, dispersion system, and convex lens radius is according to imaging formula:
U expression thing is away from v indicates image distance, and f indicates focal length in formula；
The laggard row interpolation operation of data is acquired, dispersion data are handled, the equation of use is as follows:
It obtains being worth laggard line frequency transformation FFT or fractional order FFT operation, is transformed into frequency domain, obtains transformed fractional order domain
Matrix, here comprising order variation and transformation results, order variation describes the range of signal frequency variation, and transformation results obtain
Be energy size, pass through setting respective threshold value matrix Xp(u0), determination frequency change degree is sentenced according to frequency situation of change
Disconnected testing result.Specific method is the Fourier Transform of Fractional Order of signal x (t) is defined as:
Wherein: p=2 α/π is transformation order, and α is rotation angle, Fp[] is the operator notation of transformation, Kp(t, u) is transformation
Core:
Fourier Transform of Fractional Order is inversely transformed into:
The definition of Fourier Transform of Fractional Order can be regarded as the decomposition of Chirp base, as transformation order continuously rises to from 0
1 and show signal and all features to frequency domain be changed stepwise from time domain；
Initial value X is set with corresponding after the calculated result of frequency change degreep(u0) compare, using two methods, one is equations such as
Under:
p1(x)=Xp(u)-Xp(u0) (4)
p2(x)=Xp(u)/Xp(u0) (5)
Give variation as a result, p2(x) speed of frequency variation is given；Obtain transformed frequency domain value.
3. according to right want 1 described in a kind of oil addition condition detecting system, it is characterised in that: the sensor includes
STM32 micro-control processor power module connected to it, Raman probe and the CAN bus of transmission；The power module direct current
Power supply is STM32 micro-control processor, Raman probe；The light source of the Raman probe is that LED light source front end is convex lens, electricity
Resistance R3, R4, R5 and ADC are provided in road；After the LED light is connected with resistance R5, power supply, another termination are accessed in one end
Ground；Described；One end connects to power supply after resistance R3, R4 series connection, and other end ground connection, one end of ADC is connected in parallel on resistance
Between R3, R4.
4. according to right want 1 described in a kind of oil addition condition detecting system, it is characterised in that: sensor detect CAN communication
Circuit, including SN65HVD230DR receiver, 5 plug connector of Header；The SN65HVD230DR receiver shares 8 ends
The end point 1-4 receives pin TX1-RX4 with CAN and connect；5,8 endpoints of the SN65HVD230DR connect self-recovery fuse respectively
And ground connection；6,7 endpoints of the SN65HVD230DR connect the terminal 3,2 of 5 plug connector of Header respectively；The Header
The terminal 1,4,5 of 5 plug connectors connects 5V direct current, ground connection and I/O device respectively.
5. according to right want 1 described in a kind of oil addition condition detecting system, it is characterised in that: the intermediate plate controls CAN
Communicating circuit, including SN65HVD230DR receiver, 4 plug connector of Header and resistance R20, SN65HVD230DR receiver are total
There are 8 ends endpoint 1-4 to receive pin TX1-RXI4 with CAN to connect；5,8 endpoints of the SN65HVD230DR are connected to extensive respectively
Double insurance silk and ground connection；6,7 endpoints of the SN65HVD230DR connect the terminal 3,2 of 4 plug connector of Header respectively；It is described
4 plug connector of Header terminal 1,4 connect respectively 5V direct current, ground connection；The resistor coupled in parallel SN65HVD230DR 6,
In the wiring of 7 endpoints, prevent to be 120 Ω.
6. according to right want 1 described in a kind of oil addition condition detecting system, it is characterised in that: control panel CAN communication circuit,
Including TJA1050 transceiver, 4 plug connector of Header, capacitor C13, C12, resistance R11, R12, R13, R14, R22, R23, R24,
Common mode inductance patch P2, CAN0；The TJA1050 transceiver shares 8 endpoints, and endpoint 1 is connect with CAN TX1, resistance R24
One end is in parallel with endpoint 1, and the other end accesses 5V DC power supply；Endpoint 2 is grounded, and endpoint 3 connect with 5V DC power supply, endpoint 4 and
It is grounded after resistance R22 and R23 series connection；CAN RX1 wiring point is reserved between the resistance R22 and R23；Described
The endpoint 6,7,8 of TJA1050 transceiver is connected with one end of resistance R12, R13, R14 respectively, and endpoint 5 and self-recovery fuse connect
It connects；The other end of described resistance R12, R13 are connect with common mode inductance patch P2 contact 2,1 respectively, common mode inductance patch P2's
3,4 contacts are connect with 2,1 terminal of CAN0 respectively；Access resistance R11 in parallel between 2,1 terminal of the CAN0；The electricity
Hinder the other end ground connection of R14；One end ground connection other end of the capacitor C13 is in parallel with resistance R13；The capacitor C12's
One end is in parallel with resistance R12, other end ground connection.
7. according to right want 1 described in a kind of oil addition condition detecting system, it is characterised in that: the sensor, by into
Oily connector, delivery connection, detection shell, detection eyeglass, detecting element, transfer element composition, detection shell left and right ends difference
It is provided with the mounting hole of fuel inlet fitting mounting hole and delivery connection；The mounting hole of the fuel inlet fitting mounting hole and delivery connection
Inner wall is provided with screw thread, is threadedly coupled respectively with fuel inlet fitting and delivery connection；The oily connector mounting hole and delivery connection
Mounting hole between pass through oil communication；Detection oil circuit is vertically installed on the oil circuit；The detection oil circuit and detection
The connection of element mounting hole.
8. according to right want 1 described in a kind of oil addition condition detecting system, it is characterised in that: the described detection eyeglass installation
On detection oil circuit, top is equipped with transfer element, and lower section is equipped with detecting element；Detecting element mounting hole is provided with interior spiral shell
Line；The detecting element is threadedly coupled with detecting element mounting hole.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910552642.5A CN110307965A (en) | 2019-06-18 | 2019-06-18 | A kind of oil addition condition detecting system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910552642.5A CN110307965A (en) | 2019-06-18 | 2019-06-18 | A kind of oil addition condition detecting system |
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| CN110307965A true CN110307965A (en) | 2019-10-08 |
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| CN101236348A (en) * | 2008-03-13 | 2008-08-06 | 北京中星微电子有限公司 | Automatic focusing method and image collecting device |
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| CN206158929U (en) * | 2016-11-07 | 2017-05-10 | 大唐环境产业集团股份有限公司 | Novel last intelligent lubricating system of wind turbine generator system |
| CN107682297A (en) * | 2017-09-06 | 2018-02-09 | 西北工业大学 | A kind of mobile underwater sound communication method |
| CN207710140U (en) * | 2018-01-09 | 2018-08-10 | 中国铁路兰州局集团有限公司兰州工务机械段 | Rail welder automatic lubricating system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101236348A (en) * | 2008-03-13 | 2008-08-06 | 北京中星微电子有限公司 | Automatic focusing method and image collecting device |
| CN106056884A (en) * | 2016-07-30 | 2016-10-26 | 南京交通职业技术学院 | System and method for monitoring fuel consumption index of passenger vehicle |
| CN206158929U (en) * | 2016-11-07 | 2017-05-10 | 大唐环境产业集团股份有限公司 | Novel last intelligent lubricating system of wind turbine generator system |
| CN107682297A (en) * | 2017-09-06 | 2018-02-09 | 西北工业大学 | A kind of mobile underwater sound communication method |
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Application publication date: 20191008 |