CN205636092U - Sewing machine excessive pressure overcurrent protection system - Google Patents
Sewing machine excessive pressure overcurrent protection system Download PDFInfo
- Publication number
- CN205636092U CN205636092U CN201620454812.8U CN201620454812U CN205636092U CN 205636092 U CN205636092 U CN 205636092U CN 201620454812 U CN201620454812 U CN 201620454812U CN 205636092 U CN205636092 U CN 205636092U
- Authority
- CN
- China
- Prior art keywords
- voltage
- current
- circuit module
- over
- controller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000009958 sewing Methods 0.000 title claims abstract description 43
- 238000012544 monitoring process Methods 0.000 claims abstract description 20
- 230000036772 blood pressure Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 241000208340 Araliaceae Species 0.000 claims description 2
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 claims description 2
- 235000003140 Panax quinquefolius Nutrition 0.000 claims description 2
- 235000008434 ginseng Nutrition 0.000 claims description 2
- 230000009466 transformation Effects 0.000 abstract 1
- 230000005611 electricity Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
Landscapes
- Sewing Machines And Sewing (AREA)
Abstract
The utility model relates to a sewing machine excessive pressure overcurrent protection system, overflow monitoring circuit module and warning circuit module including rectifier circuit module, contravariant and source transformation circuit module, excessive pressure, warning circuit module includes controller and the display screen of being connected with the controller that is used for set current voltage alarm parameters, the alarm lamp is connected to the controller, the current -voltage monitoring end of controller with the excessive pressure overflows monitoring circuit module and is connected to when monitoring the limit value that current voltage and current exceed to set for, light alarm lamp and through showing that screen display shows the excessive pressure information of overflowing, the stop control command control sewing machine motor power of controller output outage simultaneously stops the operation. The utility model discloses the suggestion of reporting to the police when detecting the voltage fluctuation who inputs sewing machine is shut down, to protection sewing machine, has important production practices and realistic meaning.
Description
Technical field
This utility model belongs to sewing device and controls technical field, is specifically related to a kind of sewing device and crosses and press through
Stream protection system.
Background technology
Industrial sewing machine controls process and is mechanician and operative employee all inputs sewing technology by guidance panel
The kinetic characteristic of parameter determination sewing machine all parts mechanism, including " the parameter to sewing electromechanical controller
Arrange ", " action executing " etc.;The industrial sewing machine of currently the majority is all that both operations is concentrated on one
Individual guidance panel completes.The current control of industrial sewing machine such as overedger generally by guidance panel with
Realize, but existing sewing device cannot be carried out alarm when inputting external power source and fluctuation occur, as
Really fluctuating margin is big, can affect the properly functioning of sewing device, thereby increases and it is possible to damage sewing device, develops one
Plant sewing device over-voltage over-current protection system, there is important production practices and realistic meaning.
Utility model content
The purpose of this utility model is to solve above-mentioned technical problem and provides a kind of sewing device overvoltage
Over Current Protection System.
For achieving the above object, this utility model 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 dropping the DC voltage that rectification circuit module exports
After pressure processes, output arrives sewing device master control system as master control system running voltage;
Over-voltage and over-current observation circuit module, is used for current voltage and current monitoring number by computing circuit
According in input controller;
Warning circuit module, including controller and be connected with controller for set current/voltage report to the police ginseng
The display screen of number, described controller connects alarm lamp, the current/voltage monitoring side of controller and described overvoltage
Overcurrent monitoring circuit module is connected, and when monitoring the limit value that current voltage current value exceedes setting,
Light described alarm lamp and show over-voltage and over-current information, the output power-off of the most described controller by display screen
Shut down control instruction control sewing device motor power-off to shut down.
Described controller is the master controller chip of sewing device.
Described inversion and power converting circuit module include step-down transformer T and step-down transformer T output
The power-switching circuit that side connects, needed for being converted to sewing device master control system by the voltage after blood pressure lowering
Want running voltage;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, resistance
The two ends of R1 and electric capacity C1 connect with two inputs of rectifier bridge D3, and two of rectifier bridge D3 defeated
Go out the two poles of the earth of input side of step-down transformer T described in termination.
Described over-voltage and over-current observation circuit module includes resistance R2, resistance R3, operational amplifier chip U1;
Described resistance R2, one end of resistance R3 connect the biphase current input of three phase mains, described resistance respectively
R2, the other end of resistance R3 connect operational amplifier chip U1 negative pole and positive pole, described operation amplifier respectively
Device chip U1 output terminates described controller.
Voltage and the electric current of this utility model over-voltage and over-current observation circuit module detection input power are given and are controlled
Device, is connected alarm lamp by controller, the current/voltage monitoring side of controller and described over-voltage and over-current monitoring electricity
Road module is connected, and when monitoring the limit value that current voltage current value exceedes setting, lights described report
By display screen, warning lamp also shows that over-voltage and over-current information, the output power-off of the most described controller are shut down control and referred to
Order controls sewing device motor power-off and shuts down, thus protects sewing device motor, has weight
The production practices wanted and realistic meaning.
Accompanying drawing explanation
The schematic diagram of the sewing device over-voltage over-current protection system that Fig. 1 provides for this utility model embodiment.
Detailed description of the invention
Below, in conjunction with example, substantive distinguishing features of the present utility model and advantage are further described, but
This utility model is not limited to 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 the DC voltage that rectification circuit module exports
After blood pressure lowering processes, output arrives sewing device master control system as master control system running voltage;
Over-voltage and over-current observation circuit module 3, is used for current voltage and current monitoring by computing circuit
In data input controller;
Warning circuit module 4, including described controller and be connected with controller for setting current/voltage
The display screen of alarm parameters, described controller connects alarm lamp, the current/voltage monitoring side of controller and institute
State over-voltage and over-current observation circuit module to be connected, and monitor current voltage current value and exceed the limit of setting
During value, lighting described alarm lamp and show over-voltage and over-current information by display screen, the most described controller is defeated
Go out power-off shutdown control instruction control sewing device motor power-off to shut down.
Described controller is the master controller chip of sewing device.
Described inversion and power converting circuit module include step-down transformer T and step-down transformer T output
The power-switching circuit that side connects, needed for being converted to sewing device master control system by the voltage after blood pressure lowering
Want running voltage and exported to sewing device main controller by voltage VCC end;Described step-down transformer T's
Input side is parallel with electric capacity C2, outlet side positive terminal connects diode D1, described step-down transformer T's
The outfan of rectification circuit module described in input side joint.
Described rectification circuit module includes rectifier bridge D3, be in parallel resistance R1 and electric capacity C1, resistance
The two ends of R1 and electric capacity C1 connect with two inputs of rectifier bridge D3, and two of rectifier bridge D3 defeated
Go out the two poles of the earth of input side of step-down transformer T described in termination.
Described over-voltage and over-current observation circuit module includes resistance R2, resistance R3, operational amplifier chip U1;
Described resistance R2, one end of resistance R3 connect the current input terminal 1,2 of three phase mains P, described electricity respectively
Resistance R2, the other end of resistance R3 connect operational amplifier chip U1 negative pole and positive pole (operational amplifier respectively
2 feet of chip U1 and 3 feet, 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, can monitor and work as
When front voltage x current value exceedes the limit value of setting, will to circuit for controlling motor by controller output control signal
Motor power circuit cuts off, so that equipment downtime, plays the effective protection to equipment.
Voltage and the electric current of this utility model over-voltage and over-current observation circuit module detection input power are given and are controlled
Device, is connected alarm lamp by controller, the current/voltage monitoring side of controller and described over-voltage and over-current monitoring electricity
Road module is connected, and when monitoring the limit value that current voltage current value exceedes setting, lights described report
By display screen, warning lamp also shows that over-voltage and over-current information, the output power-off of the most described controller are shut down control and referred to
Order controls sewing device motor power-off and shuts down, thus protects sewing device motor, has weight
The production practices wanted and realistic meaning.
The above is only preferred implementation of the present utility model, it is noted that for the art
Those of ordinary skill for, on the premise of without departing from this utility model principle, it is also possible to make some
Improvements and modifications, these improvements and modifications also should be regarded as protection domain of the present utility model.
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 dropping the DC voltage that rectification circuit module exports
After pressure processes, output arrives sewing device master control system as master control system running voltage;
Over-voltage and over-current observation circuit module, is used for current voltage and current monitoring number by computing circuit
According in input controller;
Warning circuit module, including controller and be connected with controller for set current/voltage report to the police ginseng
The display screen of number, described controller connects alarm lamp, the current/voltage monitoring side of controller and described overvoltage
Overcurrent monitoring circuit module is connected, and when monitoring the limit value that current voltage current value exceedes setting,
Light described alarm lamp and show over-voltage and over-current information, the output power-off of the most described controller by display screen
Shut down control instruction control sewing device motor power-off to shut down.
Sewing device over-voltage over-current protection system the most according to claim 1, it is characterised in that institute
State the master controller chip that controller is sewing device.
Sewing device over-voltage over-current protection system the most according to claim 2, it is characterised in that institute
State inversion and power converting circuit module includes that step-down transformer T connects with step-down transformer T outlet side
Power-switching circuit, work required for the voltage after blood pressure lowering is converted to sewing device master control system
Voltage;The input side of described step-down transformer T is parallel with electric capacity C2, outlet side positive terminal connects diode
The outfan of rectification circuit module described in the input side joint of D1, described step-down transformer T.
Sewing device over-voltage over-current protection system the most according to claim 3, it is characterised in that institute
State rectification circuit module include rectifier bridge D3, the resistance R1 that is in parallel and electric capacity C1, resistance R1 with
And the two ends of electric capacity C1 connect with two inputs of rectifier bridge D3, two outfans of rectifier bridge D3
Connect the two poles of the earth of the input side of described step-down transformer T.
Sewing device over-voltage over-current protection system the most according to claim 4, it is characterised in that institute
State over-voltage and over-current observation circuit module and include resistance R2, resistance R3, operational amplifier chip U1;Described
Resistance R2, one end of resistance R3 connect the biphase current input of three phase mains respectively, described resistance R2,
The other end of resistance R3 connects operational amplifier chip U1 negative pole and positive pole, described operational amplifier core respectively
Sheet U1 output terminates described controller.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620454812.8U CN205636092U (en) | 2016-05-18 | 2016-05-18 | Sewing machine excessive pressure overcurrent protection system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620454812.8U CN205636092U (en) | 2016-05-18 | 2016-05-18 | Sewing machine excessive pressure overcurrent protection system |
Publications (1)
Publication Number | Publication Date |
---|---|
CN205636092U true CN205636092U (en) | 2016-10-12 |
Family
ID=57057496
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201620454812.8U Expired - Fee Related CN205636092U (en) | 2016-05-18 | 2016-05-18 | Sewing machine excessive pressure overcurrent protection system |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN205636092U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105734854A (en) * | 2016-05-18 | 2016-07-06 | 天津市中马骏腾精密机械制造有限公司 | Overvoltage and overcurrent protection system of sewing equipment |
CN111162507A (en) * | 2020-01-13 | 2020-05-15 | 浙江众邦机电科技有限公司 | Electric control overvoltage protection system and method for sewing machine |
CN113661452A (en) * | 2019-03-27 | 2021-11-16 | Wago管理有限责任公司 | Electronic device and communication unit |
-
2016
- 2016-05-18 CN CN201620454812.8U patent/CN205636092U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105734854A (en) * | 2016-05-18 | 2016-07-06 | 天津市中马骏腾精密机械制造有限公司 | Overvoltage and overcurrent protection system of sewing equipment |
CN113661452A (en) * | 2019-03-27 | 2021-11-16 | Wago管理有限责任公司 | Electronic device and communication unit |
CN111162507A (en) * | 2020-01-13 | 2020-05-15 | 浙江众邦机电科技有限公司 | Electric control overvoltage protection system and method for sewing machine |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN203057635U (en) | Energy-saving multi-path adjustable LED street lamp constant-current driving power supply | |
CN205636092U (en) | Sewing machine excessive pressure overcurrent protection system | |
CN201550318U (en) | Digitized high-performance LED drive power supply | |
CN103736592A (en) | Automatic control system of electrical dust removal high-frequency power supply | |
CN105974960A (en) | Intelligent temperature control switch cabinet | |
CN202995324U (en) | System self-repairing controller | |
CN105734854A (en) | Overvoltage and overcurrent protection system of sewing equipment | |
CN103780076B (en) | A kind of high power switching power supply | |
CN205484517U (en) | Grid voltage current monitoring system | |
CN205750574U (en) | A kind of Intelligent temp-controlled switch cabinet | |
CN206490599U (en) | A kind of printer power supply adapter switching power circuit | |
CN206041460U (en) | GDF 5 computer high pressure excitation control ware | |
CN202696530U (en) | Digitalized direct-current regulator | |
CN205882678U (en) | High -power DCDC converter protection device | |
CN204190370U (en) | A kind of management of power use device | |
CN203682808U (en) | Overload alarm system for intelligent elevator | |
CN103997250B (en) | A kind of digital control regulated inverter | |
CN208424217U (en) | A kind of AC-AC conversion circuit and device | |
CN106026624A (en) | Stabilized switching power supply circuit system | |
CN206640838U (en) | A kind of non-isolation type tunable optical constant-current LED driver | |
CN201523255U (en) | Intelligent control device of generator | |
CN203589724U (en) | Remote power supply system | |
CN204615685U (en) | A kind of power supply adaptor and there is the power-supply system of this power supply adaptor | |
CN205611024U (en) | Classroom lighting system intelligent control device | |
CN205069546U (en) | Under voltage release's controller |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161012 |