CN201198527Y - DC brushless control system of sewing machine - Google Patents
DC brushless control system of sewing machine Download PDFInfo
- Publication number
- CN201198527Y CN201198527Y CNU2008200931643U CN200820093164U CN201198527Y CN 201198527 Y CN201198527 Y CN 201198527Y CN U2008200931643 U CNU2008200931643 U CN U2008200931643U CN 200820093164 U CN200820093164 U CN 200820093164U CN 201198527 Y CN201198527 Y CN 201198527Y
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- circuit
- controller
- control system
- control
- sewing machines
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Abstract
The utility model discloses a direct-current brushless control system of a sewing machine, which comprises a control panel, a communication circuit, an upper needle stopping sensor, a lower needle stopping sensor, a pedal sensor, an electromagnet drive, a controller, a pulse control circuit, an electrooptical separation circuit, a power driving circuit, a separation protection circuit, a circuit detection circuit, a position feedback circuit, a driving circuit, a rectification wave-filtering circuit and a switch power-source circuit. Adopting the driving control way of the direct-current brushless driving circuit and the single CPU control circuit, the control system reduces the noise and the power consumption, and can better control the speed; the control system has low requirement on the technique skill of the operators, thereby greatly reducing the cost.
Description
[technical field]
The utility model relates to electric machine control system, particularly a kind of Sewing machines brush DC control system.
[background technology]
The drive controlling motor of existing industrial sewing machine is generally used clutch motor, this clutch motor is an asynchronous motor, the commentaries on classics of not stopping transport after powering on relies on clutch to drive the running of head of sewing machine, has shortcomings such as power consumption is big, noise is big, volume is heavy, speed control difference; Some adopts the dual micro processor cpu control circuit, and this control system cost is high relatively.
[summary of the invention]
Technical problem to be solved by this invention is, overcomes the deficiencies in the prior art, provides a kind of simple to operate, the Sewing machines brush DC control system that cost is low.
The technical solution adopted for the present invention to solve the technical problems is: a kind of Sewing machines brush DC control system, comprise control panel, telecommunication circuit, upper and lower needle stop sensor, pedal sensor, solenoid actuated, controller, pulse control circuit, photoelectric isolating circuit, power driving circuit, isolation protective circuit, current detection circuit, position feedback circuit, drive circuit, current rectifying and wave filtering circuit and switching power circuit, described control circuit, described telecommunication circuit and described controller are connected in turn; Described controller, described pulse control circuit, described photoelectric isolating circuit, described power driving circuit, described current detection circuit, described isolation protective circuit connect in turn, and the output of described isolation protective circuit is connected with the input of described controller; Described upper and lower needle stop sensor is connected described controller respectively with described pedal sensor; Described current rectifying and wave filtering circuit connects described power driving circuit and described switching power circuit respectively; Described current detection circuit, described drive circuit, described position feedback circuit are connected in turn with described controller; Described controller connects described solenoid actuated.
Described drive circuit is the brush DC drive circuit.
Described controller is to adopt single microprocessor CPU control.
Described current feedback circuit is to utilize linear isolating chip.
Described control panel is connected with described telecommunication circuit bidirectional couple; Described telecommunication circuit is connected with described controller bidirectional couple.
Be to utilize the RS232 interface to connect between described telecommunication circuit and the described controller.
The output of described upper and lower needle stop sensor and the output of described pedal sensor are connected the input of described controller respectively.
The output of described current rectifying and wave filtering circuit connects the input of described power driving circuit and the input of described switching power circuit respectively.
Described current detection circuit, described drive circuit, described position feedback circuit are connected in turn with described controller, and the output of described position feedback circuit connects the input of described controller.
The input of described controller connects the input of described solenoid actuated.
The invention has the beneficial effects as follows: the present invention utilizes the brush DC drive circuit, single cpu control circuit, this drive controlling mode, reduced noise, power consumption reduces, and also has speed and controls well, this system does not have too high requirement to technical level of operators yet, greatly reduces cost.
[description of drawings]
Fig. 1 is the circuit block diagram of a kind of Sewing machines brush DC of the utility model control system.
[specific embodiment]
As shown in Figure 1; a kind of Sewing machines brush DC of the utility model control system comprises control panel 1, telecommunication circuit 2, upper and lower needle stop sensor 3, pedal sensor 4, solenoid actuated 5, controller 6, pulse control circuit 7, photoelectric isolating circuit 8, power driving circuit 9, isolation protective circuit 10, current detection circuit 11, position feedback circuit 12, drive circuit 13, current rectifying and wave filtering circuit 14 and switching power circuit 15.
The effect of photoelectric isolating circuit is under the situation that electricity is isolated, with light is that media transmits signal, can isolate the input and output circuit. thereby can suppress system noise effectively, eliminate the interference of earth-return circuit, benefits such as response speed is very fast, the life-span is long, volume is little, shock-resistant are arranged, make its by force-the light current interface, particularly in the forward direction of microsystem and backward channel, obtain extensive use.
Power driving circuit is suitable for the application of aspects such as three phase mains conversion, has fault-current protection function and low-voltage protection function.
Circuit such as switch power supply road direction guidance panel, master control borad and drive circuit provide low-tension supply.
Drive circuit is made up of isolating amplifier circuit, driving amplifying circuit and drive circuit power supply.Three are gone up the brachium pontis drive circuit is three drive power circuits, and three following brachium pontis drive circuits are public driving power circuits.
Telecommunication circuit is when frequency converter is controlled by (PLC) able to programme or host computer, man-machine interface etc., transmits signal mutually by communication interface, adopts the RS232 interface.
Switching Power Supply mainly contains following characteristics:
1. volume is little, and is in light weight; 2. power consumption is little, the efficient height.
Feedback circuit all obtains general application in various electronic circuits, feedback is part or all with amplifier output signal, feedbacks to compare to amplifier in and input signal, and goes control output with the effective input signal that compares gained.
The effect of rectification circuit is that alternating current is converted to direct current, and the effect of filter circuit is that big Rectified alternating current is processed into the little direct current of level and smooth pulsation.
Drive circuit: for driving the circuit of main circuit device, it and control circuit are isolated makes main circuit break-over of device, shutoff.
Velocity checking circuits: with the signal that is contained in the speed detector on the asynchronous electric axle machine is rate signal, sends into operational loop, according to instruction and computing motor is turned round by command speed.
Holding circuit: detect the voltage, electric current of main circuit etc.,, damage, inverter is quit work or suppress voltage, current value in order to prevent inverter and asynchronous motor when overload or overvoltage etc. taking place when unusual.
Controller 6 is to adopt single CPU processor, drive circuit 13 is brush DC (BLDC) drive circuits, control panel 1, telecommunication circuit 2 and controller 6 are connected in turn, and control panel 1 is connected with telecommunication circuit 2 bidirectional couple, and telecommunication circuit 2 is connected with controller 6 bidirectional couple.
Controller 6, pulse control circuit 7, photoelectric isolating circuit 8, power driving circuit 9, current detection circuit 11, isolation protective circuit 10 connect in turn, and the output of isolation protective circuit 10 is connected with the input of controller 6.
The output of upper and lower needle stop sensor 3 and the output of pedal sensor 4 are connected the input of controller 6 respectively.
The output of current rectifying and wave filtering circuit 14 connects the input of power driving circuit 9 and the input of switching power circuit 15 respectively.
Current detection circuit 11, drive circuit 13, position feedback circuit 12 and controller 6 are connected in turn; And the output of position feedback circuit 12 connects the input of controller 6.
The output of controller 6 connects the input of solenoid actuated 5.
The action principle of a kind of Sewing machines brush DC of the utility model control system is, is connected with telecommunication circuit 2 bidirectional couple by control panel 1, to telecommunication circuit 2 inputs or accept the signal of telecommunication circuit feedback.Telecommunication circuit 2 is connected with controller 6 bidirectional couple, is used to accept control command and feedback signal.
Pulse control circuit 7 is accepted the input signal of controller 6; and the signal that receives is inputed to power driving circuit 9 by pulse control circuit 7; power driving circuit 9 inputs to current detection circuit 11 with the signal that receives; current detection circuit 11 inputs to isolation protective circuit 10 with the signal that receives, and by isolation protective circuit 10 signal is inputed to controller.
Upper and lower needle stop sensor 3 is used to feed back the position of Sewing needles, and the output of upper and lower needle stop sensor 3 and pedal sensor 4 is connected with the input of controller 6; The output of controller 6 is connected with the input of solenoid actuated.Under the application program of the Sewing machines that designs, finish such as speed change Position Control, and every function of automatic sewing.
The output of current rectifying and wave filtering circuit 14 connects the input of power driving circuit 9, and the output of current rectifying and wave filtering circuit 14 also connects the input of switching power circuit.
Current detection circuit 11, drive circuit 13, position feedback circuit 12 and controller 6 are connected in turn; Drive circuit 13 is brush DC drive circuits; The output of current detection circuit 11 connects the output of drive circuit 13, the input of the output link position feedback circuit 12 of drive circuit 13, and the output of position feedback circuit 12 connects the input of controller 6.
Above content be in conjunction with concrete preferred implementation to further describing that the present invention did, can not assert that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (10)
1. Sewing machines brush DC control system, it is characterized in that: comprise control panel, telecommunication circuit, upper and lower needle stop sensor, pedal sensor, solenoid actuated, controller, pulse control circuit, photoelectric isolating circuit, power driving circuit, isolation protective circuit, current detection circuit, position feedback circuit, drive circuit, current rectifying and wave filtering circuit and switching power circuit, described control circuit, described telecommunication circuit and described controller are connected in turn; Described controller, described pulse control circuit, described photoelectric isolating circuit, described power driving circuit, described current detection circuit, described isolation protective circuit connect in turn, and the output of described isolation protective circuit is connected with the input of described controller; Described upper and lower needle stop sensor is connected described controller respectively with described pedal sensor; Described current rectifying and wave filtering circuit connects described power driving circuit and described switching power circuit respectively; Described current detection circuit, described drive circuit, described position feedback circuit are connected in turn with described controller; Described controller connects described solenoid actuated.
2. Sewing machines brush DC control system according to claim 1 is characterized in that: described drive circuit is the brush DC drive circuit.
3. Sewing machines brush DC control system according to claim 1 is characterized in that: described controller is to adopt single microprocessor CPU control.
4. Sewing machines brush DC control system according to claim 1 is characterized in that: described current feedback circuit is to utilize linear isolating chip.
5. Sewing machines brush DC control system according to claim 1 is characterized in that: described control panel is connected with described telecommunication circuit bidirectional couple; Described telecommunication circuit is connected with described controller bidirectional couple.
6. Sewing machines brush DC control system according to claim 5 is characterized in that: be to utilize the RS232 interface to connect between described telecommunication circuit and the described controller.
7. Sewing machines brush DC control system according to claim 1 is characterized in that: the output of described upper and lower needle stop sensor and the output of described pedal sensor are connected the input of described controller respectively.
8. Sewing machines brush DC control system according to claim 1 is characterized in that: the output of described current rectifying and wave filtering circuit connects the input of described power driving circuit and the input of described switching power circuit respectively.
9. Sewing machines brush DC control circuit according to claim 1, it is characterized in that: described current detection circuit, described drive circuit, described position feedback circuit are connected in turn with described controller, and the output of described position feedback circuit connects the input of described controller.
10. Sewing machines brush DC control circuit according to claim 1 is characterized in that: the input of described controller connects the input of described solenoid actuated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200931643U CN201198527Y (en) | 2008-04-02 | 2008-04-02 | DC brushless control system of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200931643U CN201198527Y (en) | 2008-04-02 | 2008-04-02 | DC brushless control system of sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201198527Y true CN201198527Y (en) | 2009-02-25 |
Family
ID=40449685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200931643U Expired - Fee Related CN201198527Y (en) | 2008-04-02 | 2008-04-02 | DC brushless control system of sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201198527Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104698967A (en) * | 2015-02-10 | 2015-06-10 | 上海鲍麦克斯电子科技有限公司 | Electric controller analog quantity input system and input method thereof |
| CN106702620A (en) * | 2016-05-27 | 2017-05-24 | 深圳市高科润电子有限公司 | Sewing machine control system |
-
2008
- 2008-04-02 CN CNU2008200931643U patent/CN201198527Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104698967A (en) * | 2015-02-10 | 2015-06-10 | 上海鲍麦克斯电子科技有限公司 | Electric controller analog quantity input system and input method thereof |
| CN104698967B (en) * | 2015-02-10 | 2019-04-05 | 上海鲍麦克斯电子科技有限公司 | A kind of electronic control simulation amount input system and its input method |
| CN106702620A (en) * | 2016-05-27 | 2017-05-24 | 深圳市高科润电子有限公司 | Sewing machine control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090225 Termination date: 20110402 |