CN103696167A - Control device for industrial sewing machines - Google Patents
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- CN103696167A CN103696167A CN201310753533.2A CN201310753533A CN103696167A CN 103696167 A CN103696167 A CN 103696167A CN 201310753533 A CN201310753533 A CN 201310753533A CN 103696167 A CN103696167 A CN 103696167A
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Abstract
The invention provides a control device for industrial sewing machines. The control device comprises a compatible interface module, a drive module, a first power module, a control module, a second power module, and a peripheral interface. The compatible interface module is used for providing an interface which can be connected with both a pneumatic electromagnetic valve and an electromagnet. The drive module generates different drive voltages to drive the pneumatic electromagnetic valve and the electromagnet according to different control signals. The first power module is used for providing the drive module with operating power and controlling and regulating the operating power. The control module is used for outputting different control signals to the drive module. The second power module is used for providing the control module with operating power. The peripheral interface is used for connecting the control module and a peripheral device. The control module is connected with an operating panel through a communication interface. The operating panel is operated to drive the control module to generate the different control signals. Through the application of the control device, the problem that the pneumatic electromagnetic valve and the electric electromagnet in the existing industrial sewing machines cannot be compatibly controlled is effectively solved.
Description
Technical field
The present invention relates to Sewing machines field, particularly relate to a kind of control device of industrial sewing machine of compatible air-operated solenoid valve/motor magnet.
Background technology
Industrial sewing machine is to apply machine very widely, and its specification kind is very many.Along with the development of electromechanical integration technology, the function that industrial sewing machine is realized also more and more.A lot of industrial sewing machines need to have various head operation step in application process, and as trimming, presser foot lifter etc., realizing such head action is generally by air-operated solenoid valve or high-speed double electromagnet.
But because air-operated solenoid valve and electromagnet there are differences in operating voltage and working method, existing electronic control system can only be supported one of them conventionally, or applicable air-operated solenoid valve work, or applicable work of electromagnet.When practical application, if switch, will change control cabinet between air-operated solenoid valve and electromagnet like this, it is very inconvenient to bring.
Thereby, how a kind of control technology of industrial sewing machine that can compatible air-operated solenoid valve/motor magnet, the real practitioner in the art's technical problem urgently to be resolved hurrily that become are provided.
Summary of the invention
The shortcoming of prior art in view of the above, the object of the present invention is to provide a kind of control device of industrial sewing machine, can not the compatible problem of controlling between existing industrial sewing machine air-operated solenoid valve and motor magnet for solving.
For achieving the above object and other relevant objects, the invention provides a kind of control device of industrial sewing machine, described control device comprises: compatible interface module, can be connected with air-operated solenoid valve the interface that also can be connected with electromagnet for both providing; Driver module, is connected with described compatible interface module, generates respectively different driving voltages drive air-operated solenoid valve and electromagnet according to different control signals; The first power module, is connected with described driver module, is used to described driver module that working power is provided and controls and adjust described working power; Control module, is connected with described driver module, for exporting different control signals to described driver module; Second source module, is connected with described control module, is used to described control module that working power is provided; Peripheral interface, is connected with described control module, for described control module, is connected with ancillary equipment.
As a preferred embodiment of the present invention, described control module is connected with guidance panel by communication interface, by operating described guidance panel, makes described control module generate different control signals.
As a preferred embodiment of the present invention, described driver module comprises: PWM duty ratio adjusting circuit, be connected with described control module, and according to the different control signal of described control module output, adjust the dutycycle of output pulse signal; Voltage conversion circuit, is connected with described PWM duty ratio adjusting circuit, according to the duty cycle conversion output of the pulse signal of described PWM duty ratio adjusting circuit output, is used for driving air-operated solenoid valve or the required driving voltage of electromagnet.
As a preferred embodiment of the present invention, described PWM duty ratio adjusting circuit at least comprises: triode, is connected from the pin of exporting different control signals in described control module, according to different control signal conductings and the cut-off of described control module output; Photoelectrical coupler, is connected with described triode, the voltage signal corresponding according to the State-output of described triode; PWM Duty ratio control chip, is connected with described photoelectrical coupler, according to the dutycycle of the voltage signal modulation output pulse signal of described photoelectrical coupler output.
As a preferred embodiment of the present invention, described voltage conversion circuit at least comprises: metal-oxide-semiconductor field effect transistor, is connected with described PWM Duty ratio control chip, according to the Duty ratio control conducting duration of the pulse signal of described PWM Duty ratio control chip output; Transformer, is connected with described metal-oxide-semiconductor field effect transistor, changes corresponding driving voltage drive air-operated solenoid valve or electromagnet according to the conducting duration of described metal-oxide-semiconductor field effect transistor.
As a preferred embodiment of the present invention, described driver module also comprises overcurrent protection resistance, described overcurrent protection resistance one end ground connection, and the other end is connected with the input of metal-oxide-semiconductor field effect transistor and PWM Duty ratio control chip.
As a preferred embodiment of the present invention, described voltage conversion circuit also comprises rectification circuit, and the driving voltage of described transformer output is carried out to rectification, and output dc voltage is to air-operated solenoid valve or electromagnet.
As a preferred embodiment of the present invention, described the first power module at least comprises the voltage trimming circuit being connected with voltage conversion circuit with PWM duty ratio adjusting circuit, described voltage trimming circuit comprises: sampling resistor, be connected with described voltage conversion circuit, gather the voltage of described voltage conversion circuit output; Reference voltage Acquisition Circuit, is connected with described PWM duty ratio adjusting circuit, gathers reference voltage; Trim voltage circuit, be connected with reference voltage Acquisition Circuit with described sampling resistor respectively, by the size of the voltage of relatively sampling resistor collection and the reference voltage of reference voltage Acquisition Circuit collection, output feedback voltage is to described PWM duty ratio adjusting circuit, to regulate the voltage of described voltage conversion circuit output.
As a preferred embodiment of the present invention, described peripheral interface at least comprises: for the speed governing input interface being connected with speed regulator, the pin position signal input interface for being connected with needle-bit sensor, the motor position signal interface of controlling drive interface and reception motor position signal for the servomotor being connected with servomotor.
As a preferred embodiment of the present invention, the control signal of described control module output is high level or low level; When the control signal of described control module output is high level, the driving voltage of described driver module output is 24V; When the control signal of described control module output is low level, the driving voltage of described driver module output is 30V.
As mentioned above, the control device of a kind of industrial sewing machine of the present invention, has following beneficial effect:
1, control device of the present invention is by providing compatible interface module and can driving respectively the driver module of air-operated solenoid valve and electromagnet, can control and drive air-operated solenoid valve or electromagnet with the same physical interface of same controller, make head of sewing machine need to carry out air-operated solenoid valve and solenoid actuated changer controller more not while switching, so efficiently solve can not the compatible problem of controlling between air-operated solenoid valve and motor magnet in existing industrial sewing machine in the present invention.
2, control device of the present invention effectively provides cost savings, and switching efficiency is provided, and for producing, has brought convenience.
Accompanying drawing explanation
Fig. 1 is shown as the structural representation of the control device of a kind of industrial sewing machine of the present invention.
Fig. 2 is shown as driving principle schematic diagram in the control device of a kind of industrial sewing machine of the present invention.
Element numbers explanation
1 control device
11 compatible interface modules
12 driver modules
121 PWM duty ratio adjusting circuits
122 voltage conversion circuits
13 first power modules
131 voltage trimming circuits
14 control modules
15 second source modules
16 communication interfaces
17 speed governing input interfaces
18 pin position signal input interfaces
19 servomotors are controlled drive interface
110 motor position signal interfaces
2 air-operated solenoid valves
3 electromagnet
4 speed regulators
5 needle-bit sensors
6 servomotors
7 motor position signals
8 guidance panels
The specific embodiment
Below, by specific instantiation explanation embodiments of the present invention, those skilled in the art can understand other advantages of the present invention and effect easily by the disclosed content of this description.The present invention can also be implemented or be applied by the other different specific embodiment, and the every details in this description also can be based on different viewpoints and application, carries out various modifications or change not deviating under spirit of the present invention.It should be noted that, in the situation that not conflicting, the feature in following examples and embodiment can combine mutually.
It should be noted that, the diagram providing in following examples only illustrates basic conception of the present invention in a schematic way, satisfy and only show with assembly relevant in the present invention in graphic but not component count, shape and size drafting while implementing according to reality, during its actual enforcement, kenel, quantity and the ratio of each assembly can be a kind of random change, and its assembly layout kenel also may be more complicated.
The object of the present invention is to provide a kind of control device of industrial sewing machine, can not the compatible problem of controlling between existing industrial sewing machine air-operated solenoid valve and motor magnet for solving.By describing principle and the embodiment of the control device of a kind of industrial sewing machine of the present invention in detail, make those skilled in the art not need creative work can understand the control device of a kind of industrial sewing machine of the present invention below.
Refer to Fig. 1, the invention provides a kind of control device that the invention provides a kind of industrial sewing machine, described control device 1 comprises: compatible interface module 11, driver module 12, the first power module 13, control module 14, second source module 15, communication interface 16 and peripheral interface.
Below above-mentioned each module and interface are elaborated.
Compatible interface module 11 can be connected with air-operated solenoid valve 2 interface that also can be connected with electromagnet 3 for both providing.Like this, by a physical interface, can connect air-operated solenoid valve 2 and electromagnet 3, not need to change physical interface.
Because driver module 12 and described compatible interface module 11 are connected, according to different control signals, generate respectively different driving voltages and drive air-operated solenoid valve 2 and electromagnet 3.
Particularly, in the present embodiment, described driver module 12 comprises: PWM duty ratio adjusting circuit 121 and voltage conversion circuit 122.
PWM duty ratio adjusting circuit 121 is connected with described control module 14, adjusts the dutycycle of output pulse signal according to the different control signal of described control module 14 outputs.
Particularly, in the present embodiment, described PWM duty ratio adjusting circuit 121 at least comprises: triode Q9, is connected from the pin of exporting different control signals in described control module 14, according to different control signal conductings and the cut-off of described control module 14 outputs; Photoelectrical coupler PQ6, is connected with described triode Q9, the voltage signal corresponding according to the State-output of described triode Q9; PWM Duty ratio control chip IC 13, is connected with described photoelectrical coupler PQ6, according to the dutycycle of the voltage signal modulation output pulse signal of described photoelectrical coupler PQ6 output.
Particularly, the different control signals of described control module 14 outputs comprise high level and low level, if control module 14 triode Q9 conductings of output high level, electric current in photoelectrical coupler PQ6 in diode increases, phototriode output low level, PWM Duty ratio control chip IC 13 output high duty ratio signals; If the triode Q9 cut-off of control module 14 output low levels, the electric current in photoelectrical coupler PQ6 in diode reduces, phototriode output high level, PWM Duty ratio control chip IC 13 output low duty ratio signals.
Particularly, in the present embodiment, described voltage conversion circuit 122 at least comprises: metal-oxide-semiconductor field effect transistor TR1, is connected with described PWM Duty ratio control chip IC 13, according to the Duty ratio control conducting duration of the pulse signal of described PWM Duty ratio control chip IC 13 outputs; Transformer T1, is connected with described metal-oxide-semiconductor field effect transistor TR1, changes corresponding driving voltage drive air-operated solenoid valve 2 or electromagnet 3 according to the conducting duration of described metal-oxide-semiconductor field effect transistor TR1.
Particularly, if PWM Duty ratio control chip IC 13 output high duty ratio signals, the ON time of metal-oxide-semiconductor field effect transistor TR1 is relatively long, now, and the driving voltage of transformer T1 output 30V; If PWM Duty ratio control chip IC 13 output low duty ratio signals, the ON time of metal-oxide-semiconductor field effect transistor TR1 is relatively short, now, and the driving voltage of transformer T1 output 24V.
Described voltage conversion circuit 122 also comprises rectification circuit, and the driving voltage of described transformer T1 output is carried out to rectification, and output dc voltage is to air-operated solenoid valve 2 or electromagnet 3.
Described driver module 12 also comprises overcurrent protection resistance, described overcurrent protection resistance one end ground connection, and the other end is connected with the input of metal-oxide-semiconductor field effect transistor TR1 and PWM Duty ratio control chip IC 13.
Below the physical circuit of described PWM duty ratio adjusting circuit 121 and voltage conversion circuit 122 is described.
As shown in Figure 2, in PWM duty ratio adjusting circuit 121, the base stage of triode Q9 is connected with the output pin MCU_IO of control module 14 through resistance R 154, one end of resistance R 153 is connected with the base stage of triode Q9, the other end is connected with the emitter stage of triode Q9, the common line end ground connection that the emitter stage of resistance R 153 and triode Q9 is connected.The colelctor electrode of triode Q9 is connected with photoelectrical coupler PQ6 through resistance R 180.
Photoelectrical coupler PQ6 comprises light emitting diode and phototriode, and the positive pole of diode (the 1st pin) connects voltage VDD through resistance R 178, and the negative pole of diode (the 2nd pin) is connected with resistance R 180.The colelctor electrode of phototriode (the 4th pin) output voltage is to PWM Duty ratio control chip IC 13, and colelctor electrode connects reference voltage V REF through resistance R 156 simultaneously; The emitter stage of phototriode (the 3rd pin) ground connection GND1.
PWM Duty ratio control chip (being the IC13 shown in Fig. 2) has eight pins, the meaning of corresponding representative can be as shown in the square frame of IC13 inside, wherein the 1st pin is connected with the colelctor electrode (the 4th pin) of phototriode, the 2nd pin ground connection GND1, the 3rd pin is connected to the source electrode of metal-oxide-semiconductor field effect transistor TR1 through resistance R 138, the 4th pin will connect reference voltage V REF after resistance R 136, the common port of the 4th pin and resistance R 136 is also connected with capacitor C 125, the other end ground connection GND1 of capacitor C 125 simultaneously; The 5th pin ground connection GND1; The 6th pin, as output of pulse signal pin, is connected to the grid of metal-oxide-semiconductor field effect transistor TR1 through resistance R 158, the output of while resistance R 158 is contact resistance R110 also, the other end ground connection GND1 of resistance R 110; The 7th pin connects voltage VCC, and the 7th pin is through capacitor C 129 ground connection GND1 simultaneously; The 8th pin connects reference voltage V REF, between the ground connection GND1 that the reference voltage V REF that wherein the 8th pin connects is connected with the 7th pin, is connected with capacitor C 123.
The source electrode of metal-oxide-semiconductor field effect transistor TR1 is through resistance R 111 ground connection GND1, between source electrode and drain electrode, be parallel with diode, drain electrode connection transformer T1, drain electrode simultaneously is also connected with diode D24 and capacitor C 116 in turn after being connected with transformer T1, finally be connected to 300V voltage, capacitor C 116 two ends parallel resistance R98.
The 1st pin of transformer T1 is connected with the drain electrode of metal-oxide-semiconductor field effect transistor TR1, the 2nd pin is contact resistance R95 successively, ground connection GND1 after capacitor C 22, the 4th pin is connected to voltage VCC through diode D21, while voltage VCC also exit is also connected between resistance R 95 and capacitor C 22, between voltage VCC and ground connection GND1, is connected with electric capacity E13; The 5th pin ground connection GND1; The 7th pin ground connection, the 9th pin is as the output of transformer T1 voltage.Wherein the 9th pin connects rectification circuit, described rectification circuit comprises the diode rectifier bridge D28 that two diodes by parallel connection form, the output of diode rectifier bridge D28 connects inductance L 2 and electric capacity E15, the other end ground connection of electric capacity E15 wherein, the other end of inductance L 2 connects electric capacity E17 successively, resistance R 100 and capacitor C 21, wherein the other end of the other end of electric capacity E17 and resistance R 100 be connected after ground connection, the other end independent grounding of capacitor C 21, the common port of capacitor C 21 and inductance L 2 is also as output output voltage V DD simultaneously.
The first power module 13 is connected with described driver module 12, is used to described driver module 12 that working power is provided and controls and adjust described working power.
Particularly, in the present embodiment, described the first power module 13 at least comprises the voltage trimming circuit 131 being connected with voltage conversion circuit 122 with PWM duty ratio adjusting circuit 121, and described voltage trimming circuit 131 comprises: sampling resistor R121, reference voltage Acquisition Circuit IC14 and trim voltage IC circuit 15A.
Sampling resistor R121 is connected with described voltage conversion circuit 122, gathers the voltage of described voltage conversion circuit 122 outputs.
Reference voltage Acquisition Circuit IC14 is connected with described PWM duty ratio adjusting circuit 121, gathers reference voltage;
Trim voltage IC circuit 15A is connected with reference voltage Acquisition Circuit IC14 with described sampling resistor R121 respectively, by the size of the voltage of relatively sampling resistor R121 collection and the reference voltage of reference voltage Acquisition Circuit IC14 collection, output feedback voltage is to described PWM duty ratio adjusting circuit 121, to regulate the voltage of described voltage conversion circuit 122 outputs.Described trim voltage IC circuit 15A at least comprises the big or small comparator of the reference voltage that the voltage for relatively sampling resistor R121 collection and reference voltage Acquisition Circuit IC14 gather.
Particularly, the particular circuit configurations of voltage trimming circuit 131 is as follows.
Sampling resistor R121 one end connects collection output voltage V DD, the other end connects the 2nd input pin of comparator LM358, between sampling resistor R121 and the 2nd input pin of comparator LM358, be also connected with resistance R 146, the other end ground connection of resistance R 146 simultaneously.
The 2nd input pin of comparator LM358 is also through resistance R 147, and capacitor C 130 feedback links to the output of comparator LM358 is the 1st pin of comparator LM358; Between the 2nd input pin of comparator LM358 and the 1st output pin, be also connected with capacitor C 131; The 3rd input pin of comparator LM358 connects diode TL431, resistance R 150 and resistance R 148, wherein the other end of the other end of diode TL431 and resistance R 150 be connected after ground connection, the other end contact resistance R179 of resistance R 148, the other end of resistance R 179 connects voltage VDD; The 8th pin of comparator LM358 is connected between resistance R 179 and resistance R 148; The 4th pin ground connection of comparator LM358; The 1st pin output of comparator LM358 is also connected with the negative pole of diode D32, and the positive pole of diode D32 is connected between the negative pole and resistance R 180 of light emitting diode in photoelectrical coupler PQ6.
Control module 14 is connected with described driver module 12, for exporting different control signals to described driver module 12; Described control module 14 is connected with guidance panel 8 by communication interface 16, by operating described guidance panel 8, makes described control module 14 generate different control signals.
For example, described control module 14 is single-chip microcomputer.
The control signal of described control module 14 outputs is high level or low level; When the control signal of described control module 14 outputs is high level, the driving voltage of described driver module 12 outputs is 24V; When the control signal of described control module 14 outputs is low level, the driving voltage of described driver module 12 outputs is 30V, and wherein 24V is air-operated solenoid valve 2 work use, and 30V is that electromagnet 3 work are used.
Peripheral interface is connected with described control module 14, for described control module 14, is connected with ancillary equipment.
Particularly, in the present embodiment, described peripheral interface at least comprises: for the speed governing input interface 17 being connected with speed regulator 4, the pin position signal input interface 18 for being connected with needle-bit sensor 5, the motor position signal interface 110 of controlling drive interface 19 and reception motor position signal 7 for the servomotor being connected with servomotor 6.
When switching between needs air-operated solenoid valve 2 and electromagnet 3, by the parameter changing on guidance panel 8, arrange, control module 14 in notice master controller, the corresponding control signal of control module 14 output, the Voltage-output of the first power module 13 that change air-operated solenoid valve 2 is connected with electromagnet 3, and the type of drive that changes the drive circuit that air-operated solenoid valve 2 is connected with electromagnet 3, make drive circuit export corresponding voltage, finally complete the control to air-operated solenoid valve 2 or electromagnet 3.
In sum, the control device of a kind of industrial sewing machine of the present invention, reached following beneficial effect: control device of the present invention is by providing compatible interface module and can driving respectively the driver module of air-operated solenoid valve and electromagnet, can control and drive air-operated solenoid valve or electromagnet with the same physical interface of same controller, while making head of sewing machine need to carry out air-operated solenoid valve and solenoid actuated switching, do not want more changer controller, so the present invention efficiently solves in existing industrial sewing machine between air-operated solenoid valve and motor magnet can not the compatible problem of controlling, and control device of the present invention effectively provides cost savings, switching efficiency is provided, for producing, brought convenience.So the present invention has effectively overcome various shortcoming of the prior art and tool high industrial utilization.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any person skilled in the art scholar all can, under spirit of the present invention and category, modify or change above-described embodiment.Therefore, such as in affiliated technical field, have and conventionally know that the knowledgeable, not departing from all equivalence modifications that complete under disclosed spirit and technological thought or changing, must be contained by claim of the present invention.
Claims (10)
1. a control device for industrial sewing machine, is characterized in that, described control device comprises:
Compatible interface module, can be connected with air-operated solenoid valve the interface that also can be connected with electromagnet for both providing;
Driver module, is connected with described compatible interface module, generates respectively different driving voltages drive air-operated solenoid valve and electromagnet according to different control signals;
The first power module, is connected with described driver module, is used to described driver module that working power is provided and controls and adjust described working power;
Control module, is connected with described driver module, for exporting different control signals to described driver module;
Second source module, is connected with described control module, is used to described control module that working power is provided;
Peripheral interface, is connected with described control module, for described control module, is connected with ancillary equipment.
2. the control device of industrial sewing machine according to claim 1, is characterized in that, described control module is connected with guidance panel by communication interface, by operating described guidance panel, makes described control module generate different control signals.
3. the control device of industrial sewing machine according to claim 1, is characterized in that, described driver module comprises:
PWM duty ratio adjusting circuit, is connected with described control module, adjusts the dutycycle of output pulse signal according to the different control signal of described control module output;
Voltage conversion circuit, is connected with described PWM duty ratio adjusting circuit, according to the duty cycle conversion output of the pulse signal of described PWM duty ratio adjusting circuit output, is used for driving air-operated solenoid valve or the required driving voltage of electromagnet.
4. the control device of industrial sewing machine according to claim 3, is characterized in that, described PWM duty ratio adjusting circuit at least comprises:
Triode, is connected from the pin of exporting different control signals in described control module, according to different control signal conductings and the cut-off of described control module output;
Photoelectrical coupler, is connected with described triode, the voltage signal corresponding according to the State-output of described triode;
PWM Duty ratio control chip, is connected with described photoelectrical coupler, according to the dutycycle of the voltage signal modulation output pulse signal of described photoelectrical coupler output.
5. the control device of industrial sewing machine according to claim 4, is characterized in that, described voltage conversion circuit at least comprises:
Metal-oxide-semiconductor field effect transistor, is connected with described PWM Duty ratio control chip, according to the Duty ratio control conducting duration of the pulse signal of described PWM Duty ratio control chip output;
Transformer, is connected with described metal-oxide-semiconductor field effect transistor, changes corresponding driving voltage drive air-operated solenoid valve or electromagnet according to the conducting duration of described metal-oxide-semiconductor field effect transistor.
6. the control device of industrial sewing machine according to claim 5; it is characterized in that; described driver module also comprises overcurrent protection resistance, described overcurrent protection resistance one end ground connection, and the other end is connected with the input of metal-oxide-semiconductor field effect transistor and PWM Duty ratio control chip.
7. the control device of industrial sewing machine according to claim 5, is characterized in that, described voltage conversion circuit also comprises rectification circuit, and the driving voltage of described transformer output is carried out to rectification, and output dc voltage is to air-operated solenoid valve or electromagnet.
8. the control device of industrial sewing machine according to claim 3, is characterized in that, described the first power module at least comprises the voltage trimming circuit being connected with voltage conversion circuit with PWM duty ratio adjusting circuit, and described voltage trimming circuit comprises:
Sampling resistor, is connected with described voltage conversion circuit, gathers the voltage of described voltage conversion circuit output;
Reference voltage Acquisition Circuit, is connected with described PWM duty ratio adjusting circuit, gathers reference voltage;
Trim voltage circuit, be connected with reference voltage Acquisition Circuit with described sampling resistor respectively, by the size of the voltage of relatively sampling resistor collection and the reference voltage of reference voltage Acquisition Circuit collection, output feedback voltage is to described PWM duty ratio adjusting circuit, to regulate the voltage of described voltage conversion circuit output.
9. the control device of industrial sewing machine according to claim 1, it is characterized in that, described peripheral interface at least comprises: for the speed governing input interface being connected with speed regulator, the pin position signal input interface for being connected with needle-bit sensor, the motor position signal interface of controlling drive interface and reception motor position signal for the servomotor being connected with servomotor.
10. the control device of industrial sewing machine according to claim 1, is characterized in that, the control signal of described control module output is high level or low level; When the control signal of described control module output is high level, the driving voltage of described driver module output is 24V; When the control signal of described control module output is low level, the driving voltage of described driver module output is 30V.
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| CN106702620A (en) * | 2016-05-27 | 2017-05-24 | 深圳市高科润电子有限公司 | Sewing machine control system |
| CN106601428A (en) * | 2016-11-23 | 2017-04-26 | 浙江众邦机电科技有限公司 | High-voltage control system of sewing machine |
| CN107641912A (en) * | 2017-10-23 | 2018-01-30 | 浙江众邦机电科技有限公司 | A kind of electromagnet short-circuit alarming system of sewing machine |
| CN108242750A (en) * | 2017-12-14 | 2018-07-03 | 中国航空工业集团公司上海航空测控技术研究所 | A kind of sync pulling machine control signal translation interface |
| CN108242750B (en) * | 2017-12-14 | 2019-06-21 | 中国航空工业集团公司上海航空测控技术研究所 | A kind of sync pulling machine control signal translation interface |
| CN109343475A (en) * | 2018-09-14 | 2019-02-15 | 广州大学 | A kind of amphibious soft robot and its motion control method based on magnetic fluid |
| CN109542018A (en) * | 2018-12-17 | 2019-03-29 | 浙江众邦机电科技有限公司 | Use in sewing machine interface circuit and sewing device |
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|---|---|
| CN103696167B (en) | 2015-07-01 |
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