CN208156474U - A kind of sewing-machine control systems and sewing machine - Google Patents
A kind of sewing-machine control systems and sewing machine Download PDFInfo
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- CN208156474U CN208156474U CN201820669251.2U CN201820669251U CN208156474U CN 208156474 U CN208156474 U CN 208156474U CN 201820669251 U CN201820669251 U CN 201820669251U CN 208156474 U CN208156474 U CN 208156474U
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Abstract
The utility model discloses a kind of sewing-machine control systems and sewing machine, including power module, acquisition module and main control module, the power module, acquisition module are electrically connected with main control module respectively；Power module includes power supply processing circuit, isolation circuit and serial communication circuit, power supply processing circuit is connect with isolation circuit, isolation circuit and serial communication circuit connection communication, the power supply processing circuit, isolation circuit and serial communication circuit also respectively with main control module connection communication.The utility model is provided with isolation circuit and serial communication circuit in the power module, TTL signal in main control module can be isolated, in this way, when power supply is when carrying out improper plug, it is isolated in circuit because powering off the abnormal signal generated suddenly, to impact to the main control module of equipment, keep the stability of circuit stronger, it is more reliable.
Description
【Technical field】
The utility model relates to the sewing-machine control systems of technical field of circuit control more particularly to a kind of automatic control and
Sewing machine.
【Background technique】
With the development of science and technology, automatic control technology saves capacity cost and saves production simultaneously because that can improve production efficiency
Cost is applied in all trades and professions.In the textile industry, the sewing machine of automatic control is also instead of original foot-operated held sewing
Machine.
Intelligence held sewing machine, which has, at present stops needle, trimming, refunds sewing, tire pressure foot etc. commonly to act, these movements
It being controlled by motor, this just needs controller that can accurately acquire the corresponding signal of all parts of motor control,
And analyze it, meanwhile, circuit should also be protected, it is ensured that circuit can be carried out automatism isolation when being abnormal
Protection.But in the prior art, sewing machine in operation, during carrying out above-mentioned trimming, crimping, backstitching, electric current
It is unstable, it is easy to happen fault.Especially when plug or electrostatic improper use, it is easy to make master controller
At influence, circuit stability is poor.
【Utility model content】
The purpose of this utility model aims to solve the problem that at least one above-mentioned problem, and it is strong to provide a kind of circuit stability, has
Isolated from power protection is applied to the control system and sewing machine that sewing machine automatically controls.
To realize the purpose, the utility model discloses a kind of sewing-machine control systems, including power module, acquisition module and
Main control module, the power module, acquisition module are electrically connected with main control module respectively；The power module includes power supply processing electricity
Road, isolation circuit and serial communication circuit, the power supply processing circuit are connect with isolation circuit, and the isolation circuit and serial ports are logical
Believe circuit connection communication, the power supply processing circuit, isolation circuit and serial communication circuit also connect with main control module logical respectively
Letter.
Further, the acquisition module includes signal acquisition circuit and optically coupled circuit, described optically coupled circuit one end
Connection signal Acquisition Circuit, the other end connect the acquisition signal detection end on the main control module, and the optically coupled circuit includes
Photo-coupler, first resistor and first capacitor, the photo-coupler is in parallel with first capacitor to be filtered and shaping, and described
One resistance is connected with photo-coupler to carry out current limliting.
Further, the signal acquisition circuit includes first diode, the second diode, the first triode, the second electricity
Resistance and the second capacitor, signal input part of the first diode reversal connection in signal acquisition circuit, second diodes in parallel
In circuit, and the anode tap of second diode is connect with the emitter of the triode, the yin of second diode
Extremely connect with the collector of the triode, the base stage of the triode is connect with light photo-coupler, the second resistance with
Second capacitor composes in parallel RC filter circuit.
Further, in the Acquisition Circuit include first voltage monitoring interface and second voltage monitors interface, described the
One voltage monitoring interface and second voltage monitoring interface are electrically connected with the cathode of the first diode respectively, the first voltage
Monitor the cathode connection of any one and the first diode of interface and second voltage monitoring interface.
Further, the acquisition module includes trimming signal acquisition module, presser feet signal acquisition module, backstitches signal inspection
Module and motor start stop signal acquisition module are surveyed, the trimming signal acquisition module, presser feet signal acquisition module backstitch signal inspection
Survey module and motor start stop signal acquisition module pin connection communications different from main control module respectively.
Further, the power supply processing circuit include the reduction voltage circuit of the alternating current for reducing input, voltage regulator circuit and
Filter circuit, the reduction voltage circuit are connect with voltage regulator circuit, the voltage regulator circuit and filter circuit circuit connection, the filtered electrical
Road is connect with main control module.
Further, the main control module uses 32 STM32F103 chips.
A kind of sewing machine is also disclosed in the utility model, including sewing-machine control systems described in above-mentioned any one.
Compared with prior art, the utility model has following advantage：
1) it is provided with isolation circuit and serial communication circuit in the power module, it can be to the TTL signal in main control module
It is isolated, in this way, when power supply is when carrying out improper plug, to the abnormal signal in circuit because powering off generation suddenly
It is isolated, to will not impact to the main control module of equipment, keeps the stability of circuit stronger, it is more reliable；
2) it is provided with optically coupled circuit on acquisition module, light-coupled isolation is carried out to signal, the output to optically coupled circuit
End carries out insulation blocking, further increases the stability of circuit；
3) on signal acquisition circuit by reversal connection diode and and even diode pair signal acquisition circuit protected；
4) multiple voltage monitoring interfaces are provided on signal acquisition circuit, so that it be made to be compatible with multiple measurement voltage values.
The additional aspect of the utility model and advantage will be set forth in part in the description, these will be from following description
In become obvious, or recognized by the practice of the utility model.
【Detailed description of the invention】
The utility model is above-mentioned and/or additional aspect and advantage from the following description of the accompanying drawings of embodiments will
Become obvious and is readily appreciated that, wherein：
Fig. 1 is the utility model sewing-machine control systems module frame chart；
Fig. 2 is the utility model sewing-machine control systems power module and acquisition module structural block diagram；
Fig. 3 is the circuit connection diagram of the isolation circuit of the utility model power module；
Fig. 4 is the utility model serial communication circuit connection figure；
Fig. 5 is the acquisition module circuit connection diagram of the utility model trimming signal.
【Specific embodiment】
The utility model is further described with exemplary embodiment with reference to the accompanying drawing, the examples of the embodiments
It is shown in the accompanying drawings, in which the same or similar labels are throughly indicated same or similar element or has same or like
The element of function.The embodiments described below with reference to the accompanying drawings are exemplary, is only used for explaining the utility model, and cannot
It is construed to limitations of the present invention.In addition, if the detailed description of known technology is for showing the feature of the utility model
Be it is unnecessary, then omit it.
Those skilled in the art of the present technique are appreciated that unless expressly stated, singular " one " used herein, " one
It is a ", " described " and "the" may also comprise plural form.It is to be further understood that being used in the specification of the utility model
Wording " comprising " refer to that there are the feature, integer, step, operation, element and/or component, but it is not excluded that in the presence of or
Add other one or more features, integer, step, operation, element, component and/or their group.It should be understood that working as us
Element is claimed to be " connected " or when " coupled " to another element, it can be directly connected or coupled to other elements, or can also be with
There are intermediary elements.In addition, " connection " used herein or " coupling " may include being wirelessly connected or wirelessly coupling.Used here as
Wording "and/or" include one or more associated wholes for listing item or any cell and all combinations.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein (including technology art
Language and scientific term), there is meaning identical with the general understanding of those of ordinary skill in the utility model fields.Also
It should be understood that those terms such as defined in the general dictionary, it should be understood that have and the context of the prior art
In the consistent meaning of meaning otherwise will not use idealization or too formal and unless by specific definitions as here
Meaning is explained.
The utility model discloses a kind of sewing-machine control systems, please refers to Fig. 1-Fig. 2, including power module 1, acquisition module
2 and main control module 3, the power module 1, acquisition module 2 be electrically connected respectively with main control module 3；The power module 1 includes electricity
Source processing circuit 11, isolation circuit 12 and serial communication circuit 13, the power supply processing circuit 11 are connect with isolation circuit 12, institute
State isolation circuit 12 and 13 connection communication of serial communication circuit, the power supply processing circuit 11, isolation circuit 12 and serial communication
Circuit 13 also respectively with 3 connection communication of main control module.
The utility model compared with prior art, is provided with isolation circuit 12 and serial communication circuit in power module 1
13, the TTL signal in main control module 3 can be isolated, in this way, in power supply when normally plug, to this
Kind of abnormal signal is isolated, thus will not the main control module 3 to equipment impact, keep the stability of circuit stronger, more
Reliably.
Further, referring to Fig. 3, the utility model main control module 3 is using 32 STM32F103 chips, this is practical
Isolation circuit 12 in novel uses ADUM1201 chip, and ADUM1201 chip is a kind of two-channel digital isolator,
ADUM1201 is the iCoupler digital isolator based on ADI using flat magnetic field isolation technology.It is based on chip size
Transformer, rather than the group based on LED used by photoelectrical coupler and photodiode, performance are better than photoelectrical coupler.This
In embodiment, the end VDD1 of ADUM1201 chip and the operating voltage of 3.3V are connected, and the end VDD2 is connect with analog input end VDDA,
It is connect after the filtering that analog input end VDDA passes through capacitor C26 simultaneously with simulation ground VSSA.The GND1 of ADUM1201 chip simultaneously
Ground connection, GND2 connection simulation, the end VOA and the end VIB pass through respectively after the partial pressure of divider resistance R41 and divider resistance R42 with master
It controls second in the STM32F103 chip of module 3 and receives the end data terminal UART2RXD and the second sending data end UART2TXD company
It connects,
The end VIN and the end VOB of ADUM1201 chip are connect with serial communication circuit 13 respectively.Meanwhile ADUM1201 chip
Operating voltage input terminal also pass through resistance R39 partial pressure after connect with VIB, it is logical by being connect after the partial pressure of resistance R40 with VOA
It is connect after crossing the filtering of capacitor C29 with GND1.
Referring to Fig. 4, in the present invention, serial communication circuit 13 uses ST3232ECTR chip, described
Second transmitting input terminal T2in of ST3232ECTR chip is connect with the port VIN of the ADUM1201 chip, described
The second of ST3232ECTR chip receives input terminal R2out and connects with the port VOB of the ADUM1201 chip to be isolated
Control, and centre is divided by resistance R45.In the present invention, the end V+ of the ST3232ECTR chip passes through capacitor C28
Filtering after connection simulation ground, the end VCC connects analog input end, and analog input end is by connecting mould after the filtering of capacitor C27
Quasi- ground, the end C1+ and the end C1- are linked together by capacitor C31, and the end C2+ and the end C2- are linked together by capacitor C30, the end V-
By connecting simulation ground after capacitor C32, the end GND is directly connected to simulation ground.Meanwhile in the utility model, ST3232ECTR chip
First transmitting input terminal T1in connect with the first sending data end UART1TXD in the STM32F103 chip of main control module 3,
The first of ST3232ECTR chip receives the first reception data in the STM32F103 chip of output end R1out and main control module 3
The connection of the end UART1RXD is held, centre is also divided by resistance R43.First transmitting output end of the STM32F103 chip
T1out, first receive input terminal R1in, second transmitting output end T2out and second receive input terminal R2in respectively with
The end RS232TX1, the end RS232RX1, the end RS232TX2 are connected with the end RS232RX2, to carry out serial communication.
Further, Fig. 2 and 5 are please referred to, the acquisition module 2 includes signal acquisition circuit 21 and optically coupled circuit 22,
22 one end connection signal Acquisition Circuit 21 of optically coupled circuit, the other end connect the inspection of the acquisition signal on the main control module 3
End is surveyed, the optically coupled circuit 22 includes that photo-coupler, first resistor R6 and first capacitor C2, the photo-coupler use
TLP781, the photo-coupler are in parallel with first capacitor C2 to be filtered and shaping, the first resistor R6 and photo-coupler
Series connection is to carry out current limliting.Due to being mutually isolated between photo-coupler input and output, electric signal transmission has the characteristics that one-way, thus
With good electrical isolation capabilities and anti-interference ability, effectively to the anti-interference isolation of signal progress is acquired in acquisition module 2, improve
The accuracy for the acquisition signal detection that acquisition module 2 is provided on main control module 3.
Further, the acquisition module 2 includes trimming signal acquisition module, presser feet signal acquisition module, backstitches signal
Detection module and motor start stop signal acquisition module, the trimming signal acquisition module, backstitch signal at presser feet signal acquisition module
Detection module and motor start stop signal acquisition module pin connection communications different from main control module respectively.
By taking the circuit of trimming acquisition module as an example, the signal acquisition circuit 21 includes first diode D3, the two or two pole
Pipe D2, the first triode Q1, second resistance R8 and the second capacitor C3, the first diode D3 reversal connection is in signal acquisition circuit 21
Signal input part, the second diode D2 is in parallel with the first triode Q1, also simultaneously with second resistance R8 and the second capacitor C
Connection, and the anode tap of the second diode D2 is connect with the emitter of the triode Q1, the yin of the second diode D2
It is extremely connect with the collector of the triode Q1, the base stage of the triode Q1 is connect with photo-coupler, the second resistance
R8 and the second capacitor C3 compose in parallel RC filter circuit, are also connected with resistance between the base stage and emitter of triode Q1
R12.Be provided with optically coupled circuit 22 on acquisition module 2, light-coupled isolation carried out to signal, to the output end of optically coupled circuit into
Row insulation blocking further increases the stability of circuit；Pass through reversal connection diode and and two poles even on signal acquisition circuit
Pipe protects signal acquisition circuit.
Further, multiple voltage monitoring interfaces can be according to circumstances set in Acquisition Circuit 21, with adapt to it is multiple not
With the sewing machine of model.It include that first voltage monitoring interface and second voltage monitoring connect in the utility model, in Acquisition Circuit 21
Mouthful, the first voltage monitoring interface and second voltage monitoring interface are electrically connected with the cathode of the first diode respectively,
The cathode of the first voltage monitoring interface and second voltage monitoring interface any one and the first diode
It connects.The place of the cathode connection of interface or second voltage monitoring interface and first diode is monitored in first voltage, is also distinguished
It is connected with the resistance for partial pressure, when needing using which voltage monitoring interface, then welds upper corresponding divider resistance,
The divider resistance welding position of unwanted voltage monitoring interface is vacant, matches different model, the seam of different monitoring voltage with this
It threads electromechanical road.
Further, the power supply processing circuit 11 includes reduction voltage circuit, voltage regulator circuit and the filter circuit for reducing alternating current,
The reduction voltage circuit is connect with voltage regulator circuit, the voltage regulator circuit and filter circuit circuit connection, the filter circuit and master control
Module connection.In the present embodiment, the reduction voltage circuit is used for the voltage drop of 220V as low as the operating voltage of 5V, the voltage of 5v
It connect with voltage regulator circuit, in the present embodiment, using low dropout voltage regulator, the chip that 5v voltage is transformed into 3.3V is worked normally
Voltage, the 3.3V operating voltage after transformation connect with main control module 3 and are powered after multiple-stage filtering.
A kind of sewing machine is also disclosed in the utility model, including sewing-machine control systems described in above-mentioned any one, sewing
Acquisition module 2 in machine includes trimming signal acquisition module, presser feet signal acquisition module, backstitch signal detection module and motor opens
Stop signal acquisition module, the trimming signal acquisition module, presser feet signal acquisition module backstitch signal detection module and motor opens
Stop signal acquisition module pin connection communications different from main control module respectively.By the signal acquisition to these acquisition modules,
Realize the purpose of automatic monitoring sewing process.
In the instructions provided here, although the description of a large amount of detail.It is to be appreciated, however, that this is practical
Novel embodiment can be practiced without these specific details.In some embodiments, public affairs are not been shown in detail
The methods, structures and technologies known, so as not to obscure the understanding of this specification.
Although having been illustrated with some exemplary embodiments of the utility model above, those skilled in the art will
Understand, in the case where not departing from the principles of the present invention or spirit, these exemplary embodiments can be made a change, this
The range of utility model is defined by the claims and their equivalents.
Claims (8)
1. a kind of sewing-machine control systems, which is characterized in that including power module, acquisition module and main control module, the power supply
Module, acquisition module are electrically connected with main control module respectively；The power module includes power supply processing circuit, isolation circuit and serial ports
Telecommunication circuit, the power supply processing circuit are connect with isolation circuit, the isolation circuit and serial communication circuit connection communication, institute
State power supply processing circuit, isolation circuit and serial communication circuit also respectively with main control module connection communication.
2. sewing-machine control systems according to claim 1, which is characterized in that the acquisition module includes signal acquisition electricity
Road and optically coupled circuit, optically coupled circuit one end connection signal Acquisition Circuit, the other end connect on the main control module
Signal detection end is acquired, the optically coupled circuit includes photo-coupler, first resistor and first capacitor, the photo-coupler and the
One capacitor parallel connection is to be filtered and shaping, the first resistor are connected with photo-coupler to carry out current limliting.
3. sewing-machine control systems according to claim 2, which is characterized in that the signal acquisition circuit includes the one or two
Pole pipe, the second diode, the first triode, second resistance and the second capacitor, the first diode reversal connection is in signal acquisition electricity
The signal input part on road, second diodes in parallel in circuit, and the anode tap of second diode and three pole
The emitter of pipe connects, and the cathode terminal of second diode is connect with the collector of the triode, the base of the triode
Pole is connect with light photo-coupler, and the second resistance and second capacitor compose in parallel RC filter circuit.
4. sewing-machine control systems according to claim 3, which is characterized in that include first voltage in the Acquisition Circuit
It monitors interface and second voltage and monitors interface, the first voltage monitoring interface and second voltage monitoring interface are respectively with described the
The cathode of one diode is electrically connected, the first voltage monitoring interface and second voltage monitoring interface any one with described first
The cathode of diode is connected.
5. sewing-machine control systems according to claim 1, which is characterized in that the acquisition module includes that trimming signal is adopted
Collection module, presser feet signal acquisition module backstitch signal detection module and motor start stop signal acquisition module, and the trimming signal is adopted
Collection module, presser feet signal acquisition module, backstitch signal detection module and motor start stop signal acquisition module respectively with main control module
Different pin connection communications.
6. sewing-machine control systems according to claim 1, which is characterized in that the power supply processing circuit includes for dropping
Reduction voltage circuit, voltage regulator circuit and the filter circuit of the alternating current of low input, the reduction voltage circuit are connect with voltage regulator circuit, the pressure stabilizing
Circuit and filter circuit circuit connection, the filter circuit are connect with main control module.
7. sewing-machine control systems according to claim 1, which is characterized in that the main control module is using 32
STM32F103 chip.
8. a kind of sewing machine, which is characterized in that including sewing-machine control systems described in the claims 1-7 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820669251.2U CN208156474U (en) | 2018-05-07 | 2018-05-07 | A kind of sewing-machine control systems and sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820669251.2U CN208156474U (en) | 2018-05-07 | 2018-05-07 | A kind of sewing-machine control systems and sewing machine |
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| Publication Number | Publication Date |
|---|---|
| CN208156474U true CN208156474U (en) | 2018-11-27 |
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| CN201820669251.2U Active CN208156474U (en) | 2018-05-07 | 2018-05-07 | A kind of sewing-machine control systems and sewing machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108388190A (en) * | 2018-05-07 | 2018-08-10 | 中山永裕智能科技有限公司 | A kind of sewing-machine control systems and sewing machine |
-
2018
- 2018-05-07 CN CN201820669251.2U patent/CN208156474U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108388190A (en) * | 2018-05-07 | 2018-08-10 | 中山永裕智能科技有限公司 | A kind of sewing-machine control systems and sewing machine |
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