CN105734854A - Overvoltage and overcurrent protection system of sewing equipment - Google Patents
Overvoltage and overcurrent protection system of sewing equipment Download PDFInfo
- Publication number
- CN105734854A CN105734854A CN201610332474.5A CN201610332474A CN105734854A CN 105734854 A CN105734854 A CN 105734854A CN 201610332474 A CN201610332474 A CN 201610332474A CN 105734854 A CN105734854 A CN 105734854A
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- voltage
- current
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- circuit module
- controller
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B69/00—Driving-gear; Control devices
- D05B69/36—Devices for stopping drive when abnormal conditions occur, e.g. thread breakage
Abstract
The invention relates to an overvoltage and overcurrent protection system of sewing equipment. The overvoltage and overcurrent protection system comprises a rectification circuit module, an inversion and power supply conversion circuit module, an overvoltage and overcurrent monitoring circuit module and an alarming circuit module, wherein the alarming circuit module comprises a controller, and a display screen which is connected with the controller and is used for setting current and voltage alarming parameters; the controller is connected with an alarming lamp; a current and voltage monitoring end of the controller is connected with the overvoltage and overcurrent monitoring circuit module and is used for turning on the alarming lamp when a current voltage and current value exceeds a pre-set limited value, and displaying overvoltage and overcurrent information through the display screen; meanwhile, the controller outputs a power-off shutdown control instruction for controlling a motor of the sewing equipment to be powered off and stop running. When voltage fluctuation input into the sewing equipment is detected, alarming reminding is carried out and the equipment is shut down, so that the overvoltage and overcurrent protection system has important production practice and real meanings on the protection of the sewing equipment.
Description
Technical field
The invention belongs to sewing device and control technical field, be specifically related to a kind of sewing device over-voltage over-current protection system.
Background technology
Industrial sewing machine controls process to be mechanician and operative employee inputs sewing technology parameter each through guidance panel to determine the kinetic characteristic of sewing machine all parts mechanism, including " the parameter setting ", " action executing " to sewing electromechanical controller etc.；The industrial sewing machine of currently the majority is all concentrate on both operations in a guidance panel to complete.The current control of industrial sewing machine such as overedger generally by guidance panel to realize; but existing sewing device cannot be carried out alarm when inputting external power source and fluctuation occur; if fluctuating margin is big; the properly functioning of sewing device can be affected; and be likely to damage sewing device; a kind of sewing device over-voltage over-current protection system of exploitation, has important production practices and realistic meaning.
Summary of the invention
It is an object of the invention to solve above-mentioned technical problem and a kind of sewing device over-voltage over-current protection system is provided.
For achieving the above object, the present invention adopts the following technical scheme that
A kind of sewing device over-voltage over-current protection system, including:
Rectification circuit module, for being changed to direct voltage output by 220V alternating current；
Inversion and power converting circuit module, for carrying out after blood pressure lowering process output to sewing device master control system as master control system running voltage using the DC voltage that rectification circuit module exports；
Over-voltage and over-current observation circuit module, is used in current voltage and current monitoring data input controller by computing circuit；
Warning circuit module; including controller and the display screen for setting current/voltage alarm parameters that is connected with controller; described controller connects alarm lamp; the current/voltage monitoring side of controller is connected with described over-voltage and over-current observation circuit module; and when monitoring the limit value that current voltage current value exceedes setting; lighting described alarm lamp and by display screen display over-voltage and over-current information, the power-off of described controller output simultaneously is shut down control instruction control sewing device motor power-off and is shut down.
Described controller is the master controller chip of sewing device.
Described inversion and power converting circuit module include the step-down transformer T power-switching circuit connected with step-down transformer T outlet side, for the voltage after blood pressure lowering is converted to running voltage required for sewing device master control system；The input side of described step-down transformer T is parallel with electric capacity C2, outlet side positive terminal connects the outfan of rectification circuit module described in the input side joint of diode D1, described step-down transformer T.
Described rectification circuit module includes rectifier bridge D3, be in parallel resistance R1 and electric capacity C1, the two ends of resistance R1 and electric capacity C1 connect with two inputs of rectifier bridge D3, the two poles of the earth of the input side of the step-down transformer T that two output terminations of rectifier bridge D3 are described.
Described over-voltage and over-current observation circuit module includes resistance R2, resistance R3, operational amplifier chip U1；Described resistance R2, resistance R3 one end connect the biphase current input of three phase mains respectively, described resistance R2, resistance R3 the other end connect operational amplifier chip U1 negative pole and positive pole respectively, described operational amplifier chip U1 output terminates described controller.
The voltage of over-voltage and over-current observation circuit module of the present invention detection input power and electric current are to controller; alarm lamp is connected by controller; the current/voltage monitoring side of controller is connected with described over-voltage and over-current observation circuit module; and when monitoring the limit value that current voltage current value exceedes setting; light described alarm lamp and by display screen display over-voltage and over-current information; the power-off of described controller output simultaneously is shut down control instruction control sewing device motor power-off and is shut down; thus sewing device motor is protected, there is important production practices and realistic meaning.
Accompanying drawing explanation
The schematic diagram of the sewing device over-voltage over-current protection system that Fig. 1 provides for the embodiment of the present invention.
Detailed description of the invention
Below, it is further described in conjunction with the example substantive distinguishing features to the present invention and advantage, but the invention is not limited in listed embodiment.
Shown in Figure 1, a kind of sewing device over-voltage over-current protection system, including:
Rectification circuit module 1, for being changed to direct voltage output by 220V alternating current；
Inversion and power converting circuit module 2, for carrying out after blood pressure lowering process output to sewing device master control system as master control system running voltage using the DC voltage that rectification circuit module exports；
Over-voltage and over-current observation circuit module 3, is used in current voltage and current monitoring data input controller by computing circuit；
Warning circuit module 4; including described controller and the display screen for setting current/voltage alarm parameters that is connected with controller; described controller connects alarm lamp; the current/voltage monitoring side of controller is connected with described over-voltage and over-current observation circuit module; and when monitoring the limit value that current voltage current value exceedes setting; lighting described alarm lamp and by display screen display over-voltage and over-current information, the power-off of described controller output simultaneously is shut down control instruction control sewing device motor power-off and is shut down.
Described controller is the master controller chip of sewing device.
Described inversion and power converting circuit module include the step-down transformer T power-switching circuit connected with step-down transformer T outlet side, for running voltage required for the voltage after blood pressure lowering is converted to sewing device master control system and exported to sewing device main controller by voltage VCC end；The input side of described step-down transformer T is parallel with electric capacity C2, outlet side positive terminal connects the outfan of rectification circuit module described in the input side joint of diode D1, described step-down transformer T.
Described rectification circuit module includes rectifier bridge D3, be in parallel resistance R1 and electric capacity C1, the two ends of resistance R1 and electric capacity C1 connect with two inputs of rectifier bridge D3, the two poles of the earth of the input side of the step-down transformer T that two output terminations of rectifier bridge D3 are described.
Described over-voltage and over-current observation circuit module includes resistance R2, resistance R3, operational amplifier chip U1；Described resistance R2, resistance R3 one end connect the current input terminal 1,2 of three phase mains P respectively, described resistance R2, resistance R3 the other end connect operational amplifier chip U1 negative pole and positive pole (2 feet of operational amplifier chip U1 and 3 feet respectively, described operational amplifier chip U1 outfan 1 foot connects described controller, the 4 foot ground connection of described operational amplifier chip U1,5 feet connect Vcc voltage.
The controller of described warning circuit module connects sewing device circuit for controlling motor; when can monitor the limit value that current voltage current value exceedes setting; exported control signal by controller to be cut off by motor power circuit to circuit for controlling motor, so that equipment downtime, play the effective protection to equipment.
The voltage of over-voltage and over-current observation circuit module of the present invention detection input power and electric current are to controller; alarm lamp is connected by controller; the current/voltage monitoring side of controller is connected with described over-voltage and over-current observation circuit module; and when monitoring the limit value that current voltage current value exceedes setting; light described alarm lamp and by display screen display over-voltage and over-current information; the power-off of described controller output simultaneously is shut down control instruction control sewing device motor power-off and is shut down; thus sewing device motor is protected, there is important production practices and realistic meaning.
The above is only the preferred embodiment of the present invention; it should be pointed out that, for those skilled in the art, under the premise without departing from the principles of the invention; can also making some improvements and modifications, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (5)
1. a sewing device over-voltage over-current protection system, it is characterised in that including:
Rectification circuit module, for being changed to direct voltage output by 220V alternating current；
Inversion and power converting circuit module, for carrying out after blood pressure lowering process output to sewing device master control system as master control system running voltage using the DC voltage that rectification circuit module exports；
Over-voltage and over-current observation circuit module, is used in current voltage and current monitoring data input controller by computing circuit；
Warning circuit module; including controller and the display screen for setting current/voltage alarm parameters that is connected with controller; described controller connects alarm lamp; the current/voltage monitoring side of controller is connected with described over-voltage and over-current observation circuit module; and when monitoring the limit value that current voltage current value exceedes setting; lighting described alarm lamp and by display screen display over-voltage and over-current information, the power-off of described controller output simultaneously is shut down control instruction control sewing device motor power-off and is shut down.
2. sewing device over-voltage over-current protection system according to claim 1, it is characterised in that described controller is the master controller chip of sewing device.
3. sewing device over-voltage over-current protection system according to claim 2; it is characterized in that; described inversion and power converting circuit module include the step-down transformer T power-switching circuit connected with step-down transformer T outlet side, for the voltage after blood pressure lowering is converted to running voltage required for sewing device master control system；The input side of described step-down transformer T is parallel with electric capacity C2, outlet side positive terminal connects the outfan of rectification circuit module described in the input side joint of diode D1, described step-down transformer T.
4. sewing device over-voltage over-current protection system according to claim 3; it is characterized in that; described rectification circuit module includes rectifier bridge D3, be in parallel resistance R1 and electric capacity C1; the two ends of resistance R1 and electric capacity C1 connect with two inputs of rectifier bridge D3, the two poles of the earth of the input side of the step-down transformer T described in two output terminations of rectifier bridge D3.
5. sewing device over-voltage over-current protection system according to claim 4, it is characterised in that described over-voltage and over-current observation circuit module includes resistance R2, resistance R3, operational amplifier chip U1；Described resistance R2, resistance R3 one end connect the biphase current input of three phase mains respectively, described resistance R2, resistance R3 the other end connect operational amplifier chip U1 negative pole and positive pole respectively, described operational amplifier chip U1 output terminates described controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610332474.5A CN105734854A (en) | 2016-05-18 | 2016-05-18 | Overvoltage and overcurrent protection system of sewing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610332474.5A CN105734854A (en) | 2016-05-18 | 2016-05-18 | Overvoltage and overcurrent protection system of sewing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105734854A true CN105734854A (en) | 2016-07-06 |
Family
ID=56256114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610332474.5A Pending CN105734854A (en) | 2016-05-18 | 2016-05-18 | Overvoltage and overcurrent protection system of sewing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105734854A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107780067A (en) * | 2016-08-26 | 2018-03-09 | 天津市中马骏腾精密机械制造有限公司 | It is a kind of that there is the Intelligent sewing machine for automatically cutting off power supply function |
| CN114333258A (en) * | 2021-12-31 | 2022-04-12 | 浩邦信息科技(青岛)有限公司 | Smart home early warning monitoring and processing system based on smart internet of things |
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| JPS538716A (en) * | 1976-07-13 | 1978-01-26 | Hitachi Ltd | Protective device of motor sewing machine |
| US4490656A (en) * | 1983-06-30 | 1984-12-25 | The Singer Company | Overload protection in a motor control system |
| JPH0471592A (en) * | 1990-07-11 | 1992-03-06 | Brother Ind Ltd | Driving device for sewing machine motor |
| JPH0898979A (en) * | 1994-09-30 | 1996-04-16 | Matsushita Electric Ind Co Ltd | Drive device for industrial sewing machine |
| CN2245780Y (en) * | 1995-11-09 | 1997-01-22 | 中国航天工业总公司第五研究院第五一一研究所 | Switch voltage-stabilizing power |
| CN2420305Y (en) * | 2000-05-23 | 2001-02-21 | 徐乾林 | Electrisity saving protector for sewing machine |
| CN201033832Y (en) * | 2007-03-05 | 2008-03-12 | 陈红霞 | Electric seamer electricity-saving protector |
| CN101177848A (en) * | 2007-10-19 | 2008-05-14 | 西安交通大学 | Direct-driving single needle industrial sewing machine control system |
| CN101499767A (en) * | 2008-01-29 | 2009-08-05 | 陈先庆 | Electronic power-saving device for single phase sewing machine |
| CN201414107Y (en) * | 2009-05-19 | 2010-02-24 | 北京胜利顺天技术股份有限公司 | Special frequency converter for oil extractor |
| CN204231243U (en) * | 2014-12-12 | 2015-03-25 | 丽水学院 | Be applied to the digitial controller of series machine |
| CN204906748U (en) * | 2015-07-20 | 2015-12-23 | 惠州市启达实业有限公司 | Electromagnetic oven |
| CN205636092U (en) * | 2016-05-18 | 2016-10-12 | 天津市中马骏腾精密机械制造有限公司 | Sewing machine excessive pressure overcurrent protection system |
-
2016
- 2016-05-18 CN CN201610332474.5A patent/CN105734854A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS538716A (en) * | 1976-07-13 | 1978-01-26 | Hitachi Ltd | Protective device of motor sewing machine |
| US4490656A (en) * | 1983-06-30 | 1984-12-25 | The Singer Company | Overload protection in a motor control system |
| JPH0471592A (en) * | 1990-07-11 | 1992-03-06 | Brother Ind Ltd | Driving device for sewing machine motor |
| JPH0898979A (en) * | 1994-09-30 | 1996-04-16 | Matsushita Electric Ind Co Ltd | Drive device for industrial sewing machine |
| CN2245780Y (en) * | 1995-11-09 | 1997-01-22 | 中国航天工业总公司第五研究院第五一一研究所 | Switch voltage-stabilizing power |
| CN2420305Y (en) * | 2000-05-23 | 2001-02-21 | 徐乾林 | Electrisity saving protector for sewing machine |
| CN201033832Y (en) * | 2007-03-05 | 2008-03-12 | 陈红霞 | Electric seamer electricity-saving protector |
| CN101177848A (en) * | 2007-10-19 | 2008-05-14 | 西安交通大学 | Direct-driving single needle industrial sewing machine control system |
| CN101499767A (en) * | 2008-01-29 | 2009-08-05 | 陈先庆 | Electronic power-saving device for single phase sewing machine |
| CN201414107Y (en) * | 2009-05-19 | 2010-02-24 | 北京胜利顺天技术股份有限公司 | Special frequency converter for oil extractor |
| CN204231243U (en) * | 2014-12-12 | 2015-03-25 | 丽水学院 | Be applied to the digitial controller of series machine |
| CN204906748U (en) * | 2015-07-20 | 2015-12-23 | 惠州市启达实业有限公司 | Electromagnetic oven |
| CN205636092U (en) * | 2016-05-18 | 2016-10-12 | 天津市中马骏腾精密机械制造有限公司 | Sewing machine excessive pressure overcurrent protection system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107780067A (en) * | 2016-08-26 | 2018-03-09 | 天津市中马骏腾精密机械制造有限公司 | It is a kind of that there is the Intelligent sewing machine for automatically cutting off power supply function |
| CN114333258A (en) * | 2021-12-31 | 2022-04-12 | 浩邦信息科技(青岛)有限公司 | Smart home early warning monitoring and processing system based on smart internet of things |
| CN114333258B (en) * | 2021-12-31 | 2024-03-01 | 山东华艺技术有限公司 | Intelligent home early warning monitoring processing system based on intelligent Internet of things |
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Application publication date: 20160706 |
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| WD01 | Invention patent application deemed withdrawn after publication |