CN108152478A - A kind of sewing machine oil quality monitoring system - Google Patents
A kind of sewing machine oil quality monitoring system Download PDFInfo
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- CN108152478A CN108152478A CN201711167068.9A CN201711167068A CN108152478A CN 108152478 A CN108152478 A CN 108152478A CN 201711167068 A CN201711167068 A CN 201711167068A CN 108152478 A CN108152478 A CN 108152478A
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- 238000009958 sewing Methods 0.000 title claims abstract description 65
- 238000012544 monitoring process Methods 0.000 title claims abstract description 34
- 239000010721 machine oil Substances 0.000 title claims abstract description 30
- 238000001514 detection method Methods 0.000 claims abstract description 58
- 239000003921 oil Substances 0.000 claims abstract description 47
- 239000010687 lubricating oil Substances 0.000 claims abstract description 23
- 238000003860 storage Methods 0.000 claims abstract description 11
- 230000003993 interaction Effects 0.000 claims abstract description 6
- 230000002452 interceptive effect Effects 0.000 claims description 22
- 238000004891 communication Methods 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 239000004973 liquid crystal related substance Substances 0.000 description 7
- 230000008859 change Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 239000000314 lubricant Substances 0.000 description 5
- 238000005461 lubrication Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/26—Oils; Viscous liquids; Paints; Inks
- G01N33/28—Oils, i.e. hydrocarbon liquids
- G01N33/30—Oils, i.e. hydrocarbon liquids for lubricating properties
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medicinal Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Chemical & Material Sciences (AREA)
- Food Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The present invention provides a kind of sewing machine oil quality monitoring systems, belong to sewing machine detection technique field.It solves the problems, such as that the oily state of lubricating oil in existing sewing machine food tray is not easy to understand in real time.This sewing machine oil quality monitoring system includes：One oily detection device is used to detect the oily state of lubricating oil in food tray, and oily state is converted into the first actual voltage value U11；One personal-machine interaction platform, for showing the different brackets of oil；One controller contains storage unit in the controller, and multigroup setting voltage range values of corresponding different oily grades are stored in the storage unit.This sewing machine oil quality monitoring system has the advantages of can detecting the oily state of lubricating oil in food tray in real time and be shown in real time by operation panel, the personnel that are conveniently operated check and make corresponding counter-measure in time at any time.
Description
Technical field
The invention belongs to sewing machine detection technique fields, are related to a kind of sewing machine oil quality monitoring system.
Background technology
It is the lubricating oil that will be sewed in motor spindle food tray by the oil suction effect of oil pump at present in the lubricating system of sewing machine
It is supplied to what is be lubricated on each parts for needing to lubricate by oil supply loop.In the fuel feeding oil return process of long-term high speed
In, lubricating oil when lubricating each parts can band come in the impurity that some are attached on parts, so as to which oily change can be made
Difference, simultaneously because sewing machine is not the equipment being absolutely sealed, foreign matter can also enter influence to a certain extent
Quality of lubrication oil, quality of lubrication oil (hereinafter referred to as oily) carry out replacement processing not in time if reduction is rear to a certain extent,
Its lubricant effect can be substantially reduced, the heel and toe wear of each parts of sewing machine can be caused when serious, so as to influence sewing machine
Service life.
It is extremely important so to grasp oily situation, worker may be used at present and periodically visually judge to check mode, it can also
Oily situation is detected by modes such as sensors.For example disclosed notification number is CN101609082A, patent name is one kind
The Chinese patent of oil quality detector, which disclose a kind of oil quality detectors, are that a detection module is equipped in a housing, should
There is a display unit on housing, which is interconnected with the detection module, and to show the structure after detection,
It is characterized in that：The detection module has one first detecting electrode and one second detecting electrode, and first detecting electrode is taking
An oily standard value is obtained, and the oil standard value is temporarily stored into a storage area, which is to obtain a mesh
Scale value, and the detection module is that the desired value and the oil standard value are mutually compared, to judge the oil of the desired value
State.But there are still some problems for the oil detection mode：Mainly the oil detection mode is used only to detect oil product to be measured
Whether meet oil quality requirement, but can not detect lubricating oil specifically be in what degree quality condition, be oil it is limpid,
Oily limpider or oily more muddy, oily muddiness, can not detect.Meanwhile the food tray of sewing machine is usually to sink to work
Make under platen, above-mentioned oil quality detector is more troublesome with its oily detection mode is detected on sewing machine food tray, and operation is not square
Just.
Invention content
The purpose of the present invention is being directed to existing technology, there are the above problems, it is proposed that one kind can real time automatic detection simultaneously
The oily situation personnel easy to operation what degree lubricating oil in display sewing machine food tray is in know rear and make phase in time
The sewing machine oil quality monitoring system for the counter-measure answered.
The purpose of the present invention can be realized by following technical proposal：A kind of sewing machine oil quality monitoring system, the sewing
Machine includes food tray, which is characterized in that the oil quality monitoring system includes：
One oily detection device, in above-mentioned food tray, for detecting the oily state of lubricating oil in food tray, and will
Oily state is converted into the first actual voltage value U11；
One personal-machine interaction platform, for showing the different brackets of oil；
One controller contains storage unit in the controller, and corresponding different oil are stored in the storage unit
Multigroup setting voltage range values of grade；
Wherein, the controller is used to receive the above-mentioned first actual voltage value U11 that above-mentioned oily detection device is sent,
And the first actual voltage value U11 and multigroup setting voltage range values are compared into analysis, when the first actual voltage value U11 is located therein
During one group of setting voltage range values, controller control man-machine interactive platform exports corresponding oil of group setting voltage range values etc.
Grade.
Cleannes of the oily state for impure situation, i.e. lubricating oil in lubricating oil, it is more muddy when impure more
It is turbid, it is that cleannes are relatively low.Multiple ranks of the oily grade for the cleannes different demarcation according to lubricating oil, for example clean, is relatively clear
It is clean, more muddy and muddy etc., voltage range values are set as voltage threshold, represent a certain range of voltage value.
In a kind of above-mentioned sewing machine oil quality monitoring system, the oily detection device is mounted on food tray bottom.
In a kind of above-mentioned sewing machine oil quality monitoring system, the oily detection device is including detection circuit plate and admittedly
Dingan County is mounted in sensor, the connector socket being electrically connected on detection circuit plate and with detection circuit plate, is opened on the detection circuit plate
There are two mounting holes, and detection circuit plate is fixedly mounted on food tray bottom across two mounting holes by two bolts.
In a kind of above-mentioned sewing machine oil quality monitoring system, the sensor is infrared sensor, supersonic sensing
One of which in device and laser sensor, and be correlation or reflective.
In a kind of above-mentioned sewing machine oil quality monitoring system, warning device is installed on the man-machine interactive platform,
When the first actual voltage value U11 that controller receives is not in above-mentioned multigroup setting voltage range values, controller control report
Alarm device is alarmed.
In a kind of above-mentioned sewing machine oil quality monitoring system, the warning device is buzzer or flashing lamp or voice
Broadcast device.
Also have to select not in a kind of above-mentioned sewing machine oil quality monitoring system, on the man-machine interactive platform
Input unit with the selecting unit of oil grade and for inputting the different grades of voltage range input value of multigroup correspondence, it is multigroup
The voltage range input value corresponds multigroup above-mentioned setting voltage range values, and controller receives man-machine interactive platform conveying
Above-mentioned voltage range input value after, and the voltage range input value is replaced into corresponding above-mentioned setting voltage range values, is formed
New setting voltage range values.
In a kind of above-mentioned sewing machine oil quality monitoring system, the man-machine interactive platform is pressed equipped with automatic identification
Button, after the automatic identification button is pressed, man-machine interactive platform can send out button signal to controller, and the controller no longer receives
Multigroup above-mentioned voltage range input value of man-machine interactive platform conveying, but receive that oily detection device detects and send the
Two actual voltage value U12, and second actual voltage value U12 is converted by reality according to the oily different brackets that selecting unit selects
Corresponding setting voltage range values are replaced after the voltage range values U13 of border again, form new setting voltage range values.
In a kind of above-mentioned sewing machine oil quality monitoring system, the virtual voltage value range U13 is by being calculated as below
Formula scales form：
Actual voltage value U12* (the 1+ of second actual voltage value U12* (1-30%)≤virtual voltage value range U13≤second
30%).
In a kind of above-mentioned sewing machine oil quality monitoring system, the controller be sewing machine control, the people
Machine interaction platform is the operation panel of sewing machine, and is led between the sewing machine control and operation panel by serial ports or SPI
Letter.
Compared with prior art, this sewing machine oil quality monitoring system has the advantages that following several：
1st, the oily situation of lubricating oil in sewing machine food tray can be detected in real time, and oily situation is passed through into different oil etc.
Grade shows that, for operative employee's real time inspection, operative employee takes corresponding behaviour according to different oily grades on man-machine interactive platform
Make, while the oily situation accuracy that detected is higher；
2nd, oily detection device installation is more convenient, and oily detection device is an entirety, is assembling oily detection
After device, whole oily detection device need to be only installed on food tray；
3rd, oily situation is a variety of grades, and different brackets corresponds to the different cleannes of lubricating oil, and operative employee need to only check aobvious
Show which grade belonged to, you can how is the specific practical cleannes of lubricating oil grasped in food tray, convenient for making corresponding operating in real time
Action avoids the excessively poor influence quality of lubrication oil of oil, and then influences the transmission system work of entire sewing machine；
4th, the setting voltage range values of corresponding oily grade can be changed by two ways, artificial manual setting and from
Dynamic two kinds of identification setting, can switch two ways by automatic identification button, can change corresponding oily grade as needed
Voltage range values are set, so as to which the scope of application is wider, applicability is more preferable, while the setting voltage range values of corresponding oily grade are repaiied
The mode of changing operates more convenient.
Description of the drawings
Fig. 1 is the principle of the present invention block diagram.
Fig. 2 is that the oily detection device of the present invention is mounted on the structure diagram on sewing machine (food tray is not shown).
Fig. 3 is the oily structure of the detecting device schematic diagram of the present invention.
In figure, 1, working plate；2nd, oily detection device；21st, detection circuit plate；22nd, transmitter；23rd, receiver；24、
Connector socket；25th, mounting hole.
Specific embodiment
The following is specific embodiments of the present invention and with reference to attached drawing, technical scheme of the present invention is further described,
But the present invention is not limited to these embodiments.
As shown in Figure 1, 2, this sewing machine oil quality monitoring system is used to detect the oily state of lubricating oil in sewing machine food tray,
Sink to 1 lower part of sewing machine table plate under food tray, operative employee's naked eyes remove to observe very inconvenient, this sewing machine if oily state
Oil quality monitoring system can realize oil quality of lubricant state in detection food tray in real time, and oily status display is put down in human-computer interaction
On platform, man-machine interactive platform is located on sewing machine fuselage, and operative employee can be conveniently by viewing food tray on man-machine interactive platform
Interior oil state.Wherein, cleannes of the oily state for impure situation, i.e. lubricating oil in lubricating oil, when impure more,
Compare it is muddy, be cleannes it is relatively low.Oily grade is according to multiple ranks of the cleannes different demarcation of lubricating oil, the present embodiment
With cleaning, relatively cleaning, more muddy and four oily grades such as muddy.
This sewing machine oil quality monitoring system include a controller and connect with controller one oil detection device 2,
One personal-machine interaction platform.Pass through serial ports or SPI communication between controller and man-machine interactive platform.
As shown in figure 3, oily detection device 2 include detection circuit plate 21 and be fixedly mounted on detection circuit plate 21 and with
Sensor that detection circuit plate 21 is electrically connected, connector socket 24, open that there are two mounting holes 25 on detection circuit plate 21, pass through two
Detection circuit plate 21 is fixedly mounted on food tray bottom by bolt across two mounting holes 25, since the impurity in food tray is typically all
Bottom can be sunk to, therefore whole device is arranged on food tray bottom to ensure the accuracy of its detection.Connect on connector socket 24
Winding displacement is connected to, is connect by winding displacement with sewing machine control, sewing machine control is powered by winding displacement to detection circuit plate 21, inspection
The detection signal that slowdown monitoring circuit plate 21 detects sends sewing machine control to.Different types of sensor may be used in sensor,
Such as infrared sensor, ultrasonic sensor and laser sensor etc., while the sensor of different installation can also be used,
For example correlation is either reflective, as long as being capable of detecting when the detection signal that it is generated when cleanliness of lubricating oil changes
Also respective change occurs.The present embodiment uses correlation infrared sensor, including transmitter 22 and receiver 23, transmitter
22 and 23 face of receiver it is spaced apart setting and be fixedly connected on detection circuit plate 21.Infrared sensor is used to detect
The oily state of lubricating oil in food tray, and oily state is converted into the first actual voltage value U11, when oil quality of lubricant state is sent out
During changing, for example impurity increases, more muddy, and the lubricating oil between transmitter 22 and receiver 23 also occurs mutually to strain
To change, then receiver 23 receives the infrared light intensity sent out by transmitter 22 and dies down, and the first of the detection generation of receiver 23
Actual voltage value U11 also can accordingly become smaller.First actual voltage value U11 is sent to controller by oily detection device 2.Oil inspection
Device 2 is surveyed other than above structure, can also be to include the positive and negative electrode of face setting spaced apart and connect positive and negative
The current detection circuit of pole, when lubrication well cuts become more, the electric conductivity between positive and negative electrode is more preferable, current detection circuit
Just the current signal of corresponding different size of current can be generated, and corresponding voltage signal is converted into according to current signal and is fed back to
Controller, the technical solution are technology known by those skilled in the art, herein no longer narration in detail.
Include storage element in controller, in order to save cost, the controller of the present embodiment is sewing machine control, i.e.,
A controller is shared with sewing machine control, is achieved in that and one section of program code is incorporated into sewing machine control, it should
Section program code be able to carry out realize controller function and sewing machine control in memory marked by program coding
A part of memory space is used as above-mentioned storage unit for the detecting system, and program code and realization method are ability
Technology known by field technique personnel, no longer narration in detail.
Man-machine interactive platform includes input unit, output unit, selecting unit, warning device and automatic identification button,
In order to save cost and installation space, the man-machine interactive platform of the present embodiment is sewing machine operation panel, i.e., in the present embodiment
Man-machine interactive platform is merged in sewing machine operation panel.There is liquid crystal display, output unit can export on operation panel
The first estate, the second grade, the tertiary gradient and the fourth estate simultaneously pass through liquid crystal display and show, the first estate corresponds to above-mentioned
Clean oil grade, the second grade correspond to above-mentioned more clean oily grade, and the tertiary gradient corresponds to above-mentioned more muddy oil
Grade, the fourth estate correspond to the oily grade of above-mentioned muddiness；Output unit also be able to the first setting of output voltage range values U21,
Second setting voltage range values U22, third setting voltage range values U23 and the 4th setting voltage range values U24 simultaneously pass through liquid crystal
Display screen shows that the first setting voltage range values U21 corresponds to the first estate, and the second setting voltage range values correspond to second etc.
Grade, third setting voltage range values correspond to the tertiary gradient, and the 4th setting voltage range values correspond to the fourth estate.Input unit is liquid
Input area on crystal display screen, input area are formed by program code, for inputting multigroup voltage range input value, including
One voltage range input value U31, second voltage range input value U32, tertiary voltage range input value U33, the 4th voltage range
Input value U34.Input unit may be the mechanical button on operation panel.Selecting unit is the option on liquid crystal display
Area, options region are formed by program code, for selecting the different brackets of oil.Warning device is mounted on operation panel,
For one kind in buzzer or flashing lamp or voice announcer.
Automatic identification button is also mounted on operation panel, represent different oily grades each setting voltage range values U21,
U22, U23, U24 are set in advance to be stored in storage element and passes through liquid crystal display and show, automatic identification button is normal
Under state, controller receives each voltage range input value of input unit input and substitutes corresponding each setting voltage range values, than
Such as, when inputting first voltage range input value U31, corresponding first setting voltage range values U21 is replaced by U31 numerical value, is inputted
During tertiary voltage range input value U33, corresponding third setting voltage range values U23 is replaced by U22 numerical value.By directly inputting
Mode changes the mode of each setting voltage range values, and modification mode is more convenient quick, can be according to practical lubricant type
And oily situation makes the modification of relevant voltage value range, more to adapt to real work needs.
After automatic identification button is pressed, operation panel can send out button signal to controller, and controller no longer receives operation
Each voltage range input value of panel conveying, but the second actual voltage value U12 that infrared sensor is detected and sent is received,
And second actual voltage value U12 is converted by virtual voltage value range U13 according to the oily different brackets that selecting unit selects
It replaces corresponding setting voltage range values again afterwards, forms new setting voltage range values.For example, it is pressed in automatic identification button
Afterwards, selecting unit selects the first estate, and oily detection circuit plate 21 and infrared sensor are entirely put into and are judged to by operating personnel
Stand oil matter is in the first estate standard oil, and infrared sensor is used to detect the oily state of the first estate standard oil and convert
For the second actual voltage value U12, corresponding first setting voltage range is replaced after being then convert into virtual voltage value range U13
Value；If selecting unit selects the second grade, that is just put into oil and is judged to detecting in the second classification standard oil, detection conversion
Virtual voltage value range U13 replace it is corresponding second setting voltage range values, and so on.This kind of mode is relatively above-mentioned direct
Its modification to each setting voltage range values of input mode is more accurate, because being using standard class oil product as object of reference.On
Two ways is stated with depositing and easy switching, makes the work scope of application wider.
Wherein, virtual voltage value range U13 is formed by the way that formula scales are calculated as below：Second actual voltage value U12* (1-
30%) the actual voltage value U12* (1+30%) of≤virtual voltage value range U13≤second.Therein 30% can be according to practical feelings
Condition is made adjustment, and front and rear is all not necessarily 30% or two different percentages.
This detecting system operation principle is simply as follows：
Infrared sensor detects oily state in food tray in real time, and oily state is converted into the first actual voltage value U11
Controller is conveyed to, controller is by the first actual voltage value U11 in the first setting voltage range values being stored in storage element
U21, the second setting voltage range values U22, the third settings of setting voltage range values U23 and the 4th voltage range values U24 are compared
Compared with when the first actual voltage value U11 is located at the liquid crystal display screen display for just controlling operation panel in which setting voltage range values
Show corresponding oily grade, so that operating personnel check the oily state understood in real time in food tray.Such as first actual voltage value
U11 is located in the 4th setting voltage range values U24, then liquid crystal display shows the fourth estate, shows the lubricating oil in food tray
After cloudy state, operating personnel's understanding, it is known that need more oil change at once, if otherwise engine oil quality is deteriorated again just
The lubricant effect of the entire transmission system of sewing machine can be influenced, the abrasion between parts is caused to become larger, reduces the use of sewing machine
Service life.When the first actual voltage value U11 is also less than the lower limiting value of the 4th setting voltage range values U24, alarm activation report
Alert work reminds operating personnel must horse back more oil change.
Specific embodiment described herein is only an example for the spirit of the invention.Technology belonging to the present invention is led
The technical staff in domain can do various modifications or additions to described specific embodiment or replace in a similar way
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (10)
1. a kind of sewing machine oil quality monitoring system, the sewing machine includes food tray, which is characterized in that the oil quality monitoring system packet
It includes：
One oily detection device (2), in above-mentioned food tray, for detecting the oily state of lubricating oil in food tray, and will
Oily state is converted into the first actual voltage value U11；
One personal-machine interaction platform, for showing the different brackets of oil；
One controller contains storage unit in the controller, and corresponding different oily grades are stored in the storage unit
Multigroup setting voltage range values；
Wherein, the controller is used to receive the above-mentioned first actual voltage value U11 that above-mentioned oily detection device (2) sends,
And the first actual voltage value U11 and multigroup setting voltage range values are compared into analysis, when the first actual voltage value U11 is located therein
During one group of setting voltage range values, controller control man-machine interactive platform exports corresponding oil of group setting voltage range values etc.
Grade.
A kind of 2. sewing machine oil quality monitoring system according to claim 1, which is characterized in that the oily detection device
(2) mounted on food tray bottom.
A kind of 3. sewing machine oil quality monitoring system according to claim 1 or 2, which is characterized in that the oil detection
Device (2) is including detection circuit plate (21) and is fixedly mounted on detection circuit plate (21) and is electrically connected with detection circuit plate (21)
Sensor, connector socket (24), open that there are two mounting holes (25) on the detection circuit plate (21), passed through by two bolts
Detection circuit plate (21) is fixedly mounted on food tray bottom by two mounting holes (25).
4. a kind of sewing machine oil quality monitoring system according to claim 3, which is characterized in that the sensor is infrared
One of which in sensor, ultrasonic sensor and laser sensor, and be correlation or reflective.
A kind of 5. sewing machine oil quality monitoring system according to claim 4, which is characterized in that the man-machine interactive platform
On warning device is installed, when controller receive the first actual voltage value U11 not in above-mentioned multigroup setting voltage range values
When interior, controller control warning device alarm.
6. a kind of sewing machine oil quality monitoring system according to claim 5, which is characterized in that the warning device is bee
Ring device or flashing lamp or voice announcer.
A kind of 7. sewing machine oil quality monitoring system according to claim 1, which is characterized in that the man-machine interactive platform
On also there is selecting unit for selecting different oily grades and defeated for inputting the different grades of voltage range of multigroup correspondence
Enter the input unit of value, multigroup voltage range input value corresponds multigroup above-mentioned setting voltage range values, controller
After the above-mentioned voltage range input value for receiving man-machine interactive platform conveying, and voltage range input value replacement is corresponding above-mentioned
Voltage range values are set, form new setting voltage range values.
A kind of 8. sewing machine oil quality monitoring system according to claim 7, which is characterized in that the man-machine interactive platform
Automatic identification button is equipped with, after the automatic identification button is pressed, man-machine interactive platform can send out button signal to controller, institute
Multigroup above-mentioned voltage range input value that controller no longer receives man-machine interactive platform conveying is stated, but receives oily detection device
(2) it detects and the second actual voltage value U12 for sending, and according to the oily different brackets that selecting unit selects that this is second real
Border voltage value U12 replaces corresponding setting voltage range values again after being converted into virtual voltage value range U13, forms new setting electricity
Press value range.
A kind of 9. sewing machine oil quality monitoring system according to claim 8, which is characterized in that the virtual voltage range
Value U13 is formed by the way that formula scales are calculated as below：
Actual voltage value U12* (the 1+ of second actual voltage value U12* (1-30%)≤virtual voltage value range U13≤second
30%).
10. a kind of sewing machine oil quality monitoring system according to claim 1, which is characterized in that the controller is seam
It threads machine controller, the man-machine interactive platform is the operation panel of sewing machine, and the sewing machine control and operation panel
Between pass through serial ports or SPI communication.
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| CN201711167068.9A CN108152478A (en) | 2017-11-21 | 2017-11-21 | A kind of sewing machine oil quality monitoring system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109884922A (en) * | 2019-02-14 | 2019-06-14 | 杰克缝纫机股份有限公司 | Sewing machine method for adjusting rotation speed, device, computer equipment and storage medium |
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