CN205749289U - The monitoring system of a kind of white oil turbidity and sewing machine - Google Patents
The monitoring system of a kind of white oil turbidity and sewing machine Download PDFInfo
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- CN205749289U CN205749289U CN201620640727.0U CN201620640727U CN205749289U CN 205749289 U CN205749289 U CN 205749289U CN 201620640727 U CN201620640727 U CN 201620640727U CN 205749289 U CN205749289 U CN 205749289U
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Abstract
This utility model provides monitoring system and the sewing machine of a kind of white oil turbidity being applicable to sewing machine, including: drive module, control module and include light emission submodule, opto-electronic conversion submodule and the optical measuring module of signal processing submodule；Module is driven to be connected with light emission submodule；Signal processing submodule is connected with opto-electronic conversion submodule and control module respectively；During work, drive module to provide for light emission submodule and drive electric current；Light emission submodule is according to driving electric current generation optical signal and launching；Opto-electronic conversion submodule exports to signal processing submodule after receiving optical signal and being converted into the signal of telecommunication；Signal processing submodule converts the electrical signal to the voltage signal corresponding with white oil turbidity, and output is to control module；Voltage signal is compared by control module with threshold voltage, and exports comparative result.This utility model achieves the real-time monitoring of the white oil turbidity of sewing machine, and with low cost, highly sensitive, extends the service life of sewing machine.
Description
Technical field
This utility model relates to a kind of sewing machine, particularly relates to the monitoring system of a kind of white oil turbidity being applicable to sewing machine
System and possess the sewing machine of white oil turbidity monitor.
Background technology
Sewing machine is broadly divided into domestic sewing machine and the big class of industrial sewing machines two, and wherein, industrial sewing machines include again
Flat seam machine, chain seam machine, quilter, overedger, flat seaming machine, extraordinary machine etc..Sewing machine in the course of the work, by motor drive shaft
Rotating, main shaft completes to sting the actions such as material, hook line, take-up, feeding by a series of toggle, and then completes sewing
Sewing.In order to reduce the friction sewed between each mechanism, it is ensured that all parts real-time contact within sewing machine is to profit
Lubricating oil.
Technical white oil is the mineral oil that high accuracy is refined, because of its have colourless, tasteless, viscosity is little, it is excellent not pollute fabric etc.
Point, and it is widely used in industrial sewing machine as lubricant, to reduce the friction between sewing machine internal mechanism.
The inside of sewing machine generally uses oil circulating system.And technical white oil is during recycling, can be by
Gradual change obtains muddy even turns black.When technical white oil muddiness to a certain extent time, the outlet obstruction of oil circulating system will be caused.And
And, in this, situation is difficult to be used workman to realize, ultimately results in friction between the internal each mechanism of sewing machine and increases, generates heat to losing
Effect.Therefore, white oil turbidity is monitored being very important.
At present, white oil turbidity is detected by existing white oil turbidity monitoring device many employings infrared tube.But, use
There is the shortcomings such as detection sensitivity is low, infrared tube installation is complicated in infrared tube detection white oil turbidity.Therefore, this device will provide
A kind of novel method carries out on-line monitoring to white oil turbidity in sewing machine, it is achieved white oil turbidity early warning, to guarantee in sewing machine
White oil is in circulation duty all the time, improves service behaviour and the service life of sewing machine.
Utility model content
The shortcoming of prior art in view of the above, the purpose of this utility model is to provide the monitoring of a kind of white oil turbidity
System and sewing machine, the problem that sensitivity for the white oil turbidity monitor system that solves sewing machine in prior art is relatively low.
For achieving the above object and other relevant purposes, this utility model provides the monitoring system of a kind of white oil turbidity, suitable
For sewing machine, the monitoring system of described white oil turbidity includes: optical measuring module, driving module, control module；Wherein, described
Optical measuring module includes light emission submodule, opto-electronic conversion submodule and signal processing submodule；Described driving module is with described
Light emission submodule is connected；Described opto-electronic conversion submodule is connected with described signal processing submodule；Described signal processing submodule
Block is connected with described control module；During work, described driving module provides for described light emission submodule and drives electric current；According to institute
Stating driving electric current, described light emission submodule generates optical signal, and is launched；Described opto-electronic conversion submodule receives described light
Signal, after converting thereof into the signal of telecommunication, output is to described signal processing submodule；Described signal processing submodule is by described telecommunications
Number it is converted into the voltage signal corresponding with white oil turbidity, and exports to described control module；Described control module is by described voltage
Signal compares with threshold voltage, and exports comparative result.
In an embodiment of the present utility model, when the described voltage signal generated by the conversion of described signal processing submodule
When being analogue signal, described control module includes: analog digital conversion submodule, is connected with described signal processing submodule, and being used for will
The described voltage signal of simulation is converted to the described voltage signal of numeral；Comparison sub-module, with described analog digital conversion submodule phase
Even, for being compared with described threshold voltage by the described voltage signal of numeral, and described comparative result is exported.
In an embodiment of the present utility model, the detecting system of described white oil turbidity also includes: with described control module
The threshold adjustment being connected, for regulating the size of described threshold voltage；The display module being connected with described control module, uses
In showing described comparative result.
In an embodiment of the present utility model, described light emission submodule uses light emitting diode；Described opto-electronic conversion
Submodule uses photoconductive resistance, is arranged on the propagation path of described optical signal, is used for receiving described optical signal, and according to receiving
The intensity of described optical signal, the described optical signal received is converted into resistance signal；Described signal processing submodule is by described
Resistance signal changes into the described voltage signal corresponding with white oil turbidity.
In an embodiment of the present utility model, described driving module includes power supply submodule, is used for as described light emission
Submodule directly provides described driving electric current.
In an embodiment of the present utility model, described driving module also includes being connected to described power supply submodule and described
Current-limiting circuit submodule between light emission submodule, for regulating described driving electric current by current-limiting resistance, and by after regulation
The output of described driving electric current to described light emission submodule.
In an embodiment of the present utility model, described optical measuring module includes: described light emission submodule uses laser
Diode, is converted into laser signal by described driving electric current, and is launched；Described opto-electronic conversion submodule uses silicon photoelectricity
Pond, in the vertical direction of the propagation path being positioned at described laser signal, receives described laser signal in 90 degree of sides of its propagation path
Scattered light upwards, and according to the intensity of the described scattered light received, the described scattered light received is converted into current signal；Institute
State signal processing submodule and described current signal is converted into the described voltage signal that white oil turbidity is corresponding.
In an embodiment of the present utility model, described control module includes that pulse signal generates submodule, is used for generating
Pulse signal, and the described pulse signal generated is supplied to described driving module；Described driving module is believed according to described pulse
Number output described driving electric current be pulse current；Described pulse current is converted into laser pulse also by described light emission submodule
Launched.
The invention also discloses the monitoring method of a kind of white oil turbidity, it is adaptable to sewing machine, described white oil turbidity
Monitoring method includes: driving electric current is converted into optical signal and is sent；Receive described optical signal, and according to the described light received
The intensity of signal, is converted into the signal of telecommunication by described optical signal；The described signal of telecommunication is converted into the voltage letter corresponding with white oil turbidity
Number；Described voltage signal is compared with threshold voltage, and exports comparative result.
In an embodiment of the present utility model, described driving electric current is directly to be provided by power supply；Or described driving electric current
Thered is provided by power supply, and it is adjustable by current-limiting circuit.
In an embodiment of the present utility model, when described optical signal uses laser pulse, described driving electric current uses
Pulse current.
In an embodiment of the present utility model, the described signal of telecommunication includes resistance signal and/or current signal.
In an embodiment of the present utility model, described threshold voltage is adjustable.
The invention also discloses a kind of sewing machine, use the monitoring system of white oil turbidity as above.
As it has been described above, the monitoring system of a kind of white oil turbidity of the present utility model and sewing machine, there is following useful skill
Art effect:
1) impact on light intensity of the different transmission mediums is utilized, it is achieved that the real-time prison to the white oil turbidity in sewing machine
Survey；
2) using photoconductive resistance and silicon cell to substitute traditional infrared tube, cost is cheaper, and sensitivity is higher,
And capacity of resisting disturbance is strong；
3) also use pulse laser, drastically increase the performance of monitoring；
4) use the monitoring system of white oil turbidity, substantially increase the service behaviour of sewing machine, extend making of sewing machine
With the life-span, improve the production efficiency of producer, reduce production cost.
Accompanying drawing explanation
Fig. 1 is shown as the principle schematic of the monitoring system of a kind of white oil turbidity disclosed in this utility model embodiment.
Fig. 2 is shown as the theory structure signal of the monitoring system of a kind of white oil turbidity disclosed in this utility model embodiment
Figure.
Fig. 3 is shown as the schematic flow sheet of the monitoring method of a kind of white oil turbidity disclosed in this utility model embodiment.
Fig. 4 is shown as the theory structure of the monitoring system of a kind of white oil turbidity disclosed in another embodiment of this utility model and shows
It is intended to.
Fig. 5 is shown as the flow process signal of the monitoring method of a kind of white oil turbidity disclosed in another embodiment of this utility model
Figure.
Element numbers explanation
110 drive module
111 power supply submodules
112 current-limiting circuit submodules
120 optical measuring module
121 light emission submodules, light emitting diode, laser diode
122 opto-electronic conversion submodules, photoconductive resistance, silicon cell
123 signal processing submodules
130 control modules
131 analog digital conversion submodules
132 comparison sub-module
140 display modules
150 threshold adjustment
S31～S36, S51～S57 step
Detailed description of the invention
Below by way of specific instantiation, embodiment of the present utility model being described, those skilled in the art can be by this theory
Content disclosed by bright book understands other advantages of the present utility model and effect easily.This utility model can also be by additionally
Different detailed description of the invention is carried out or applies, the every details in this specification can also based on different viewpoints with should
With, under without departing from spirit of the present utility model, carry out various modification or change.It should be noted that, in situation about not conflicting
Under, the feature in following example and embodiment can be mutually combined.
Refer to accompanying drawing.It should be noted that the diagram provided in following example illustrates this reality the most in a schematic way
With novel basic conception, the most graphic in assembly that only display is relevant with this utility model rather than group when implementing according to reality
Number of packages mesh, shape and size are drawn, and during its actual enforcement, the kenel of each assembly, quantity and ratio can be a kind of random change,
And its assembly layout kenel is likely to increasingly complex.
The monitoring system of disclosed white oil turbidity of the present utility model is the oil circulation system for monitoring sewing machine in real time
The turbidity of the white oil of system.It utilizes light loss in different transmission mediums different, monitors light transmission in white oil
Situation, carrys out, by the intensity of light, the white oil turbidity that real-time judge is corresponding.
Embodiment 1
Present embodiment discloses the monitoring system of a kind of white oil turbidity being applicable to sewing machine, the oil being arranged on sewing machine follows
In loop systems, for the white oil turbidity of the oil circulating system of monitoring sewing machine in real time.
As depicted in figs. 1 and 2, the monitoring system of the white oil turbidity of the present embodiment includes: drive module 110, photo measure mould
Block 120, control module 130, display module 140 and threshold adjustment 150.Wherein,
Drive module 110 for providing driving electric current for optical measuring module 120.
Optical measuring module 120 is used for monitoring in real time the white oil turbidity of oil circulating system, including:
With the light emission submodule 121 driving module 110 to be connected, for driving electric current is converted into optical signal, and give
Launch；
Opto-electronic conversion submodule 122, is used for receiving light emission submodule 121 and sends optical signal, and the optical signal that will receive
Be converted to the signal of telecommunication；
The signal processing submodule 123 being connected with opto-electronic conversion submodule 122, is used for converting the electrical signal to turbid with white oil
The voltage signal that degree is corresponding, and this voltage signal is exported to control module 130.
Further, light emission submodule 121 and opto-electronic conversion submodule 122 are placed in oil circulating system, light emission
After the optical signal that module 121 sends is transmitted in the white oil in oil circulating system, the submodule 122 that is photoelectrically converted is connect
Receive.
Control module 130 includes comparison sub-module 132, its respectively with display module 140, threshold adjustment 150 and letter
Number process submodule connect, for will through conversion voltage signal compare with threshold voltage, and by comparative result output
To display module 140.That is: when the voltage signal of numeral is more than threshold voltage, outputting alarm signal A, represent that white oil muddiness arrives
To a certain degree, need to change；When the voltage signal of numeral is less than threshold voltage, export normal working signal B, represent white oil
Turbidity be not reaching to threshold value, oil circulating system is also in normal operating conditions.
Further, the voltage signal generated due to signal processing submodule 123 conversion is simulation, therefore, controls mould
Block 130 also includes analog digital conversion submodule 131；It is connected between signal processing submodule 123 and comparison sub-module 132, uses
In voltage signal is carried out analog digital conversion.Owing to analog digital conversion is the technology of comparative maturity, just repeat no more at this.
Display module 140 is for the comparative result of output control module 130.In this example it is shown that module 140 both may be used
To be the display module of display screen one class, for concrete outputting alarm signal A and normal working signal B；Can also be only
A pair stand by lamp, output be warning signal A time, stand by lamp display redness；When exporting normal working signal B, stand by lamp
Display green.The display module 140 of the monitoring system of certain white oil turbidity of the present utility model is not limited in above several shape
Formula, it can also export corresponding comparative result by other means.
Threshold adjustment 150 is the size for adjusting threshold voltage according to actual needs.In the present embodiment, threshold
Value adjustment module 150 is to be realized the regulation of threshold voltage by potentiometer.
As in figure 2 it is shown, in the present embodiment, driving module 110 to include a power supply submodule 111, power supply submodule 111 can
Directly provide for optical measuring module 120 and drive electric current.
Further, in order to regulate the intensity of the optical signal that light emission submodule 121 sends, in the present embodiment, drive
Module 110 also includes a current-limiting circuit submodule 112, and current-limiting circuit submodule 112 is connected to power supply submodule 111 and light emission
Between submodule 121, it regulates and limits the driving electric current of light emission submodule 121 by regulation current-limiting resistance, thus real
Show the regulation of the intensity of the optical signal of light emission submodule 121.
In the present embodiment, photo measure unit 120 uses relatively common common light and carries out the prison of white oil turbidity
Survey.Therefore, light emission submodule 121 uses light emitting diode, certainly.Light emission submodule 121 of the present utility model is also
It is not limited only to this kind of electric energy light energy converting member of light emitting diode, as long as be capable of the electric energy parts to the conversion of luminous energy
All in protection domain of the present utility model.
Owing to light emission submodule 121 uses light emitting diode, therefore, the light launched at Light-Emitting Diode accordingly
Opto-electronic conversion submodule 122 is set on the propagation path of signal and carries out the conversion of optical signal and the signal of telecommunication.In the present embodiment, photoelectricity
Transform subblock 122 preferably employs photoconductive resistance.By photoconductive resistance, opto-electronic conversion submodule 122 achieves optical signal and resistance
Conversion between value signal.
In the present embodiment, when the optical signal that light emitting diode is launched is by technical white oil, the printing opacity of optical signal measures
Certainly in the dirty degree of technical white oil, technical white oil is the most dirty, then the optical signal passed through is the fewest.Therefore, photoconductive resistance will be thoroughly
The optical signal crossed is converted into the resistance signal of correspondence, and the size of resistance signal is relevant with the intensity of optical signal: light intensity is the biggest,
The optical signal i.e. passed through is the most, then resistance signal is the least；Light intensity is the least, and the optical signal i.e. passed through is the fewest, then resistance is believed
Number the biggest.
Further, owing to the signal of telecommunication of the present embodiment is resistance signal, therefore signal processing submodule 123 uses resistance
Voltage conversion circuit, is converted into the voltage signal that white oil turbidity is corresponding, i.e. virtual voltage by the resistance signal that photoconductive resistance exports
Value.Resistance signal is the biggest, and voltage signal is the biggest；Resistance signal is the least, and voltage signal is the least.
Additionally, in order to highlight innovative part of the present utility model, will be with solution this utility model in the present embodiment
The closest module of the technical problem relation that proposed introduces, but this is not intended that in the present embodiment the mould that there is not other
Block.
Embodiment 2
Present embodiment discloses the monitoring method of a kind of monitoring system being applicable to white oil turbidity disclosed in embodiment 1, as
Shown in Fig. 3, including:
Step S31, power supply electrifying, it is provided that drive electric current；
The size driving electric current that power supply provides can also be adjusted by current-limiting circuit submodule.
Step S32, the light emitting diode as light emission submodule will drive electric current to be converted into corresponding optical signal, and give
To launch.
Step S33, as the optical signal sent of the photoconductive resistance reception light emitting diode of opto-electronic conversion submodule, and depends on
Resistance signal is converted optical signals to according to the intensity of the optical signal received.
Step S34, is converted into simulation corresponding to actual white oil turbidity by resistive voltage change-over circuit by resistance signal
Voltage signal.
Step S35, is converted into the voltage signal of numeral by analog digital conversion submodule by the voltage signal of simulation；Passing through
The voltage signal of numeral is compared by comparison sub-module with the threshold voltage preset；
Wherein, threshold voltage is scalable.
Step S36, exports comparative result.
The step of above method divides, and is intended merely to describe clear, it is achieved time can merge into a step or to certain
A little steps split, and are decomposed into multiple step, as long as comprising identical logical relation, all in the protection domain of this patent；
To adding inessential amendment in algorithm or in flow process or introducing inessential design, but do not change its algorithm and stream
The core design of journey is all in the protection domain of this patent.
Embodiment 3
The present embodiment also discloses that the monitoring system of a kind of white oil turbidity being applicable to sewing machine, its overall structure and enforcement
The monitoring system of white oil turbidity disclosed in example 1 is identical, including: drive module, optical measuring module, control module, display module and
Threshold adjustment.But, the structure of concrete driving module, optical measuring module and control module and annexation are the most not
With.Further, the optical measuring module of the present embodiment uses laser and carries out the measurement of white oil turbidity.
As shown in Figure 1 and Figure 4, the monitoring system of the white oil turbidity of the present embodiment includes: drive module 110, photo measure mould
Block 120, control module 130, display module (mark the most in figure 3) and threshold adjustment (mark the most in figure 3).
Wherein, module 110, optical measuring module 120 is driven to be connected two-by-two with control module 130.
The driving signal driving module 110 is provided by control module 130, and therefore, control module 130 is except such as implementing
Example 1 equally includes: outside analog digital conversion submodule 131 and comparison sub-module 132, also includes driving signal to generate submodule 133, uses
Signal is driven, in order to drive module 110 according to driving signal to generate corresponding driving electric current in generating.
Further, owing to laser is prone to send out thermal property, therefore, in the present embodiment, signal is driven to generate submodule
The 133 driving signals generated are pulse signal；According to pulse signal, the driving electric current driving module 110 to generate is pulse current.
Optical measuring module 120, uses laser to monitor the white oil turbidity of oil circulating system in real time, therefore, and photo measure
Module 120 includes:
Laser diode is used, for being converted into by pulse current with the light emission submodule 121 driving module 110 to be connected
Laser pulse, and launched；
Accordingly, opto-electronic conversion submodule 122, preferably by silicon cell.Further, silicon cell is positioned at laser pulse
Propagation path vertical direction on, its propagation path with laser pulse has a certain distance, and with light emission submodule 121
The most distance away.As it is shown on figure 3, the silicon cell of the present embodiment is arranged at just going up of the propagation path of laser pulse
Side, and in the case of the luminous power of laser diode 121 is 10mW, silicon cell 122 is vertical with the propagation path of laser
Straight spacing is 3cm, is 5cm with the level interval of laser diode 121.What the silicon cell 122 of the present embodiment received is not
All laser pulses that laser diode 121 is launched, what it received is the laser diode 121 90 degree of directions at propagation path
The scattered light of upper generation.Further, it is dependent on the intensity of scattered light, scattered light is converted to current signal.
In the present embodiment, when laser pulse is by technical white oil, 90 ° of directions of propagation path produce scattering
Light.The intensity of this scattered light depends on the dirty degree of technical white oil, i.e. internal suspended particulate substance number.Therefore, silicon photoelectricity
Scattered light is converted into the current signal of correspondence, and the intensity of current signal and scattered light, the i.e. dirty degree of technical white oil by pond
It is relevant: white oil turbidity is the highest, and scattered light intensity is the biggest, then, current signal is the biggest；Otherwise, white oil turbidity is the least, scattering
Light intensity is the least, then, current signal is the least.
Further, owing to scattered light is converted to current signal by the silicon cell of the present embodiment, therefore, signal processing
Submodule 123 uses current-to-voltage converting circuit, and the current signal that silicon cell exports is converted into the electricity that white oil turbidity is corresponding
Pressure signal, i.e. actual voltage value.Current signal is the biggest, and corresponding voltage signal is the biggest；Current signal is the least, corresponding voltage letter
Number the least.
Protection domain of the present utility model is not limited in using laser diode, silicon cell and current/voltage conversion electricity
Road is as this kind of situation of optical measuring module 120, as long as optical measuring module is capable of the conversion of current signal and laser pulse,
And receive the scattered light of laser pulse, and scattered light is converted into the signal of telecommunication (resistance signal and/or current signal) of correspondence, and
Finally convert the electrical signal to the voltage signal of correspondence, all in protection domain of the present utility model.
Same as in Example 1, the voltage signal of simulation is carried out modulus by the analog digital conversion submodule 131 of control module 130
Conversion, becomes the voltage signal of numeral.The voltage signal of the numeral through conversion is carried out by comparison sub-module 132 with threshold voltage
Relatively, and comparative result is exported.That is: when the voltage signal of numeral is more than threshold voltage, outputting alarm signal A, table
Show that the muddy degree of white oil is too high, need to change；When the voltage signal of numeral is less than threshold voltage, export normal working signal
B, represents that the muddy degree of white oil is not reaching to threshold value, and oil circulating system is also in normal operating conditions.
Embodiment 4
Present embodiment discloses the monitoring method of a kind of monitoring system being applicable to white oil turbidity disclosed in embodiment 3, as
Shown in Fig. 5, including:
Step S51, by control module output pulse signal；
Step S52, according to pulse signal, by driving module output pulse current；
Step S53, is converted into pulse current laser pulse by laser diode, and is launched；
Step S54, by silicon cell receive scattered light, described scattered light be laser pulse in communication process because of white oil
In granule and occur scattering to be formed；And the scattered light of reception is converted to current signal；
Step S55, is converted into the voltage signal of simulation by current signal by current-to-voltage converting circuit；
Step S56, through analog digital conversion submodule, the voltage signal of simulation is converted into the voltage signal of numeral；
Step S57, is compared the voltage signal of numeral with threshold voltage by control module, and exports the ratio of correspondence
Relatively result.
In sum, monitoring system, method and the sewing machine of a kind of white oil turbidity of the present utility model, utilize different
The transmission medium impact on light intensity, it is achieved that the real-time monitoring to the white oil turbidity in sewing machine；Use photoconductive resistance and silicon light
Battery substitutes traditional infrared tube, and cost is cheaper, and sensitivity is higher, and capacity of resisting disturbance is strong；Pulse is also used to swash
Light, drastically increases the performance of monitoring；Further, use the sewing machine of the monitoring system of white oil turbidity, substantially increase its work
Make performance, extend the service life of sewing machine, improve the production efficiency of producer, reduce production cost.So, this practicality
Novel effectively overcome various shortcoming of the prior art and have high industrial utilization.
Above-described embodiment only illustrative principle of the present utility model and effect thereof are new not for limiting this practicality
Type.Above-described embodiment all can be carried out by any person skilled in the art under spirit and the scope of the present utility model
Modify or change.Therefore, art has usually intellectual such as without departing from the essence disclosed in this utility model
All equivalences completed under god and technological thought are modified or change, and must be contained by claim of the present utility model.
Claims (9)
1. the monitoring system of a white oil turbidity, it is characterised in that be applicable to sewing machine, the monitoring system bag of described white oil turbidity
Include:
Optical measuring module, driving module, control module；Wherein,
Described optical measuring module includes light emission submodule, opto-electronic conversion submodule and signal processing submodule；
Described driving module is connected with described light emission submodule；Described opto-electronic conversion submodule and described signal processing submodule
It is connected；Described signal processing submodule is connected with described control module；
During work, described driving module provides for described light emission submodule and drives electric current；According to described driving electric current, described light
Launch submodule and generate optical signal, and launched；Described opto-electronic conversion submodule receives described optical signal, converts thereof into electricity
After signal, output is to described signal processing submodule；The described signal of telecommunication is converted into and white oil turbidity by described signal processing submodule
Corresponding voltage signal, and export to described control module；Described voltage signal is carried out by described control module with threshold voltage
Compare, and export comparative result.
The monitoring system of white oil turbidity the most according to claim 1, it is characterised in that: when by described signal processing submodule
When the described voltage signal that conversion generates is analogue signal, described control module includes:
Analog digital conversion submodule, is connected with described signal processing submodule, for the described voltage signal of simulation is converted to number
The described voltage signal of word；
Comparison sub-module, is connected with described analog digital conversion submodule, for by the described voltage signal of numeral and described threshold value electricity
Pressure compares, and exports described comparative result.
The monitoring system of white oil turbidity the most according to claim 1, it is characterised in that: the detecting system of described white oil turbidity
Also include:
The threshold adjustment being connected with described control module, for regulating the size of described threshold voltage；
The display module being connected with described control module, is used for showing described comparative result.
The monitoring system of white oil turbidity the most according to claim 1, it is characterised in that:
Described light emission submodule uses light emitting diode；
Described opto-electronic conversion submodule uses photoconductive resistance, is arranged on the propagation path of described optical signal, is used for receiving described
Optical signal, and according to the intensity of the described optical signal received, the described optical signal received is converted into resistance signal；
Described resistance signal is changed into the described voltage signal corresponding with white oil turbidity by described signal processing submodule.
The monitoring system of white oil turbidity the most according to claim 4, it is characterised in that: described driving module includes power supply
Module, for directly providing described driving electric current for described light emission submodule.
The monitoring system of white oil turbidity the most according to claim 5, it is characterised in that: described driving module also includes connecting
Current-limiting circuit submodule between described power supply submodule and described light emission submodule, for regulating institute by current-limiting resistance
State driving electric current, and by the described driving electric current output after regulation to described light emission submodule.
The monitoring system of white oil turbidity the most according to claim 1, it is characterised in that: described optical measuring module includes:
Described light emission submodule uses laser diode, described driving electric current is converted into laser signal, and is launched；
Described opto-electronic conversion submodule uses silicon cell, in the vertical direction of the propagation path being positioned at described laser signal, connects
Receive described laser signal scattered light on 90 degree of directions of its propagation path, and according to the intensity of the described scattered light received, will
The described scattered light received is converted into current signal；
Described current signal is converted into the described voltage signal that white oil turbidity is corresponding by described signal processing submodule.
The monitoring system of white oil turbidity the most according to claim 7, it is characterised in that:
Described control module includes that pulse signal generates submodule, is used for generating pulse signal, and the described pulse letter that will generate
Number it is supplied to described driving module；
Described driving module is pulse current according to the described driving electric current of described output of pulse signal；
Described pulse current is converted into laser pulse and is launched by described light emission submodule.
9. a sewing machine, it is characterised in that: the monitoring system of employing white oil turbidity as described in any one in claim 1-8
System.
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| CN105891161A (en) * | 2016-06-22 | 2016-08-24 | 杰克缝纫机股份有限公司 | System and method for monitoring white oil turbidity and sewing machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105891161A (en) * | 2016-06-22 | 2016-08-24 | 杰克缝纫机股份有限公司 | System and method for monitoring white oil turbidity and sewing machine |
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Address after: 318010 No. 1008, east section of Donghai Avenue, Sanjia, Jiaojiang District, Taizhou City, Zhejiang Province Patentee after: Jack Technology Co.,Ltd. Address before: 318010 No. 15 Airport South Road, Jiaojiang District, Zhejiang, Taizhou Patentee before: JACK SEWING MACHINE Co.,Ltd. |
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