CN2914488Y - Intelligent electricity saving machine of micro-electronic motor - Google Patents
Intelligent electricity saving machine of micro-electronic motor Download PDFInfo
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- CN2914488Y CN2914488Y CNU2006200264903U CN200620026490U CN2914488Y CN 2914488 Y CN2914488 Y CN 2914488Y CN U2006200264903 U CNU2006200264903 U CN U2006200264903U CN 200620026490 U CN200620026490 U CN 200620026490U CN 2914488 Y CN2914488 Y CN 2914488Y
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Abstract
The utility model provides an intelligent microelectronic motor power saver, belonging to AC motor technical field. The utility model for effectively solving the problem of a motor, which fails to execute self-adjustment under light load or no-load condition, comprises a DC power circuit, a main control circuit, a three-phase power unit, and a resistor-capacitor protection circuit. The DC power circuit is connected with the main control circuit and the three-phase power unit for providing DC power to them. The three-phase power unit consists of three two-way SCR modules in parallel connection. The resistor-capacitor protection circuit is composed of a resistor and a capacitor in serial connection, which are connected with the three-phase power unit. The main control circuit includes a main chip of microprocessor of PIC series, a photoelectric coupler, and peripheral elements such as a resistor, a capacitor, a switch and a diode. The main control circuit is connected with the three-phase power unit. The utility model has novel structure, high working efficiency, and low power consumption, and is suitable for various kinds of three-phase asynchronous motor.
Description
Technical field
The utility model relates to the alternating current motor technical field, especially a kind of electricity-saving appliance of motor.
Background technology
Along with the progressively expansion of motor manufacturing industry and motor applications scope thereof, also more and more higher to the electric-saving efficiency and the technical merit requirement of motor.In known technology, existing mainly is threephase asynchronous in industry and industry extensive use such as commerce, cost is low, unfailing performance is high because it has, durable in use, characteristics such as easy to use, but limit by its structure, the output voltage of motor makes the magnetic field energy of generation and the demand of torque mate accurate inadequately, especially the motor power consumption is high under underloading or no-load condition, and usefulness is low, the waste electric energy.
Summary of the invention
In order to overcome the deficiency of prior art, solving motor effectively can not self-regulating problem under underload or no-load condition, the utility model provides a kind of novel structure, the demand coupling that can make the energy in the magnetic field that output voltage produced of motor and torque accurately, make that the operation power consumption is low, the task performance height is saved electric energy, novel electric machine electricity-saving appliance easy to use.
The technical scheme in the invention for solving the technical problem is:
A kind of microelectronic motor intelligent power-saving device, it is provided with: DC power supply circuit, main control circuit, three-phase converter module, rc protection circuit are formed, DC power supply circuit is the circuit that industrial-frequency alternating current is converted to direct current of voltage regulation that is connected to form by transformer, rectifier bridge, filter capacitor, three terminal regulator, and DC power supply circuit connects main control circuit and three-phase converter module respectively and provides DC power supply for it; Three-phase converter module is to be composed in parallel by three two-way MTC silicon controlled modules, and its function is to carry out the operation of the motor that commands for controlling connects of governor circuit; Rc protection circuit is mainly protection three-phase master's power cell and designing, and the input and the output that are connected three-phase converter module by its lead-out wire after resistance and the capacitances in series are respectively formed; Governor circuit is made up of peripheral cells such as microprocessor master chip, photoelectrical coupler and the resistance of PIC series, electric capacity, switch, diodes, and governor circuit is connecting three-phase converter module.The master chip that the variable signal of main control circuit by the automatic detected induction-motor load of photoelectrical coupler inputs to microprocessor carries out analyzing and processing and calculates and send the electronic signal instruction for the silicon controlled module of three-phase converter module after adjusting appropriate control signals, the terminal voltage of dynamically adjusting motor by controllable silicon is accurately mated the energy of its generation and the demand of torque, especially under the situation of underload or zero load, the voltage of motor is reduced to Minimum requirements and torque automatically keep constant, thereby effectively reduced unnecessary loss.If load increases, this intelligent energy-saving electric appliance rises voltage to prevent stall of motor automatically, effectively raises the efficient of perceptual motor, in order to reduce the electric motor starting electric current this electricity-saving appliance of impact of electrical network is also had soft start function.
Because technique scheme has been adopted in the utility model design; having solved motor effectively can not self-regulating problem under underload or no-load condition; show through testing result on trial for several times again; it compared with prior art; has novel structure; the energy in the magnetic field that output voltage produced of motor and the demand of torque are accurately mated; under motor underloading and no-load condition, can regulate automatically; the voltage of motor is reduced to Minimum requirements and torque automatically keep constant; make that the operation power consumption is low; the task performance height is saved electric energy, and can reduce the operating temperature of motor; vibrations when reducing the motor operation; reduce the wearing and tearing and the downtime of motor greatly, enhance productivity, prolong the useful life of motor and driving arrangement thereof; reduce upkeep cost; advantage such as easy to use is applicable to various threephase asynchronous, is a kind of novel motor intelligent power-saving device.
Description of drawings
Below in conjunction with drawings and Examples the utility model is described in further detail.
Fig. 1 is the basic circuit diagram of the utility model embodiment.
Fig. 2 is the product structure schematic diagram of the utility model embodiment.
Reference numeral: 1 electricity-saving appliance body, 2 circuit boards.
Embodiment
Embodiment as shown in Figure 1, the utility model is made up of DC power supply circuit, main control circuit, three-phase converter module, rc protection circuit.Wherein:
DC power supply circuit is by transformer B, rectifier bridge D9-12, capacitor C 5-6, K switch 1-2, resistance R a-b, diode Z1, pressurizer T1, LED 1 and LED3 form, the elementary power frequency AC that connects of transformer B, inferior cascade rectifier bridge D9-12, the output of electric bridge D9-12 connects filter capacitor C5 and mains switch K1 respectively, K switch 1 connects respectively by resistance R a, 1 pin of power indicating circuit that LED 1 is composed in series and economize on electricity control switch K2,2 pin of K switch 2 connect pressurizer T1,3 pin parallel resistance Rb and resistance R 1-3, resistance R 1-3 is respectively by the output control point A that connects, B, the C point connects governor circuit, resistance R b connects LED 3 and diode Z1 rectifier bridge in parallel, and the output of pressurizer T1 connects capacitor C 6 respectively and is connected governor circuit.This DC power supply circuit is converted to constant voltage dc source with the power frequency 220V or the 380V AC power of external input, is main control circuit and the power supply of three-phase master power cell that connects.Certainly, also can adopt the direct current of voltage regulation source circuit of other suitable structures.
Main control circuit is made up of peripheral cells such as master chip U1, the photoelectrical coupler U2-7 of PIC series processors and resistance R 4-32, capacitor C 7, K switch 3-4, diode D1-8, LEDs 2.1 pin of master chip U1 connects pull-up resistor R6 and adjustable resistance W1 respectively, adjustable resistance W1 is that potentiometer is adjusted in the working point, 2 pin of master chip U1 connect pull-up resistor R7 and adjustable resistance W2 respectively, adjustable resistance W2 adjusts potentiometer for starting delay time, 4 pin of master chip U1 are connected output and the connection of pressurizer T1 and move back even capacitor C 7 with 14 pin, 5 pin ground connection, connect diode D8 respectively behind the 6 pin series resistance R8, the U that connects motor three-phase power behind the diode D7 that connects pressurizer T1 and the series resistance R9-10 mutually, the output of shunt regulator T1 behind the 7-9 pin difference series resistance R11-13, the 7-9 pin of master chip U1 also connects photoelectrical coupler U2 respectively, U4,4 pin of U6, the 10-12 pin each respectively behind series resistance R14-16 by the output control point A that is connected, B, the C point connects photoelectrical coupler U3 respectively, U5,1 pin of U7,13 pin connect resistance R 17 and connect LED 2 back ground connection, LED 2 shows economize on electricity and state, the flicker expression starts time-delay, normal expression startup finishes and enters electricity-saving state, 15 pin of master chip U1 are connected crystal oscillator CX with 16 pin, 17 pin, one tunnel series resistance R5 connects pressurizer T1, another road connects K switch 4, K switch 4 is soft start, straight starting state selector switch, 18 pin, one tunnel series resistance R4 of master chip U1 connects pressurizer T1, another road connects K switch 3, K switch 3 is manual, automatic selector switch, photoelectrical coupler U2, U4, U6 respectively is respectively three-phase alternating-current supply W, V, each difference series resistance R18-19 of its 1 pin of the detection optocoupler of U phase, R20-21, the silicon controlled module MA that connects three-phase converter module behind the R22-23, MB, the K1 end of MC, 3 pin ground connection, photoelectrical coupler U3, U5, U7 is three-phase alternating-current supply W, V, U exports its 1 pin of control optocoupler mutually respectively by the output control point A that is connected, B, the C point connects DC power supply circuit and main control circuit, photoelectrical coupler U3, U5, the 2 pin ground connection of U7, connect resistance R 27 respectively behind the 4 pin series resistance R24 of photoelectrical coupler U3, the G1 end of diode D2 and silicon controlled module MA, resistance R 27 and diode D2 and the W that connects the motor three-phase alternating-current supply are mutually, connect resistance R 28 respectively behind the 4 pin series resistance R25 of photoelectrical coupler U5, the G1 end of diode D4 and silicon controlled module MB, resistance R 28 and diode D4 and the V that connects the motor three-phase alternating-current supply are mutually, connect resistance R 29 respectively behind the 4 pin series resistance R26 of photoelectrical coupler U7, the G1 end of diode D6 and silicon controlled module MC, resistance R 29 and diode D6 and the U that connects the motor three-phase alternating-current supply are mutually, 6 pin of photoelectrical coupler U3 connect G2 end and the series resistance R30 of silicon controlled module MA respectively, connect the K2 end of silicon controlled module MA behind the diode D1,6 pin of photoelectrical coupler U5 connect G2 end and the series resistance R31 of silicon controlled module MB respectively, connect the K2 end of silicon controlled module MB behind the diode D3,6 pin of photoelectrical coupler U7 connect G2 end and the series resistance R32 of silicon controlled module MC respectively, connect the K2 end of silicon controlled module MC behind the diode D5.
Master chip U1 is a PIC16C620 type single-chip microcomputer in the utility model main control circuit, or PIC16C621 or PIC16C621A or PIC16C622 or PIC16C622A type single-chip microcomputer.
Three-phase converter module is made up of three two-way MTC silicon controlled module MA-C, the K1 end of silicon controlled module MA-C connects three-phase alternating-current supply U, V, the W phase of motor respectively, the K2 end of silicon controlled module MA-C is the binding post that the control output end connects motor M respectively, and the K2 end of silicon controlled module MA, MB, MC is respectively connected photoelectrical coupler U2, the U4 of governor circuit, 2 pin of U6 respectively.
Three-phase converter module or adopt per 2 one group of inverse parallels of 6 individual event controllable silicons to form in the intelligent energy-saving electric appliance described in the utility model.
Rc protection circuit is made up of resistance R 33-35 and capacitor C 1-3.Resistance R 33 and capacitor C 1 series connection, the other end of resistance R 33 connect the K2 end of the silicon controlled module MA of three-phase converter module, the other end of capacitor C 1 connects the K1 end of silicon controlled module MA; Resistance R 34 and capacitor C 2 series connection, the other end of resistance R 34 connect the K2 end of silicon controlled module MB, the other end of capacitor C 2 connects the K1 end of silicon controlled module MB; Resistance R 35 and capacitor C 3 series connection, the other end of resistance R 35 connect the K2 end of silicon controlled module MC, the other end of capacitor C 3 connects the K1 end of silicon controlled module MC.
On circuit main board 2, circuit main board 2 is loaded in the electricity-saving appliance cabinet casing 1 the utility model with above-mentioned electronic device load, and K switch 1-K4, LED 1-LED3, resistance R a-Rb, adjustable resistance W1-W2 are attached on the display operating panel.
Claims (5)
1; a kind of microelectronic motor intelligent power-saving device; it is characterized in that; it is provided with DC power supply circuit; main control circuit; three-phase converter module; rc protection circuit; DC power supply circuit is by transformer; rectifier bridge; filter capacitor; the circuit that industrial-frequency alternating current is converted to direct current of voltage regulation that three terminal regulator connects to form; DC power supply circuit connects main control circuit and three-phase converter module respectively and provides power supply for it; three-phase converter module is to be composed in parallel by three two-way MTC silicon controlled modules; rc protection circuit is made up of input and output that its lead-out wire after resistance and the capacitances in series is connected three-phase converter module respectively; governor circuit is the microprocessor master chip by PIC series; photoelectrical coupler and resistance; electric capacity; switch; diode connects to form, and governor circuit connects three-phase converter module.
2, microelectronic motor intelligent power-saving device according to claim 1 is characterized in that,
A, DC power supply circuit is the elementary power frequency AC that connects by transformer B, inferior cascade rectifier bridge D9-12, the output of electric bridge D9-12 connects filter capacitor C5 and mains switch K1 respectively, K switch 1 connects respectively by resistance R a, 1 pin of power indicating circuit that LED 1 is composed in series and economize on electricity control switch K2,2 pin of K switch 2 connect pressurizer T1,3 pin parallel resistance Rb and resistance R 1-3, resistance R 1-3 is respectively by the output control point A that connects, B, the C point connects governor circuit, resistance R b connects LED 3 and diode Z1 electric bridge in parallel, the output of pressurizer T1 connects capacitor C 6 respectively and is connected governor circuit
B, main control circuit is that 1 pin by the master chip U1 of PIC series processors connects pull-up resistor R6 and adjustable resistance W1 respectively, 2 pin connect pull-up resistor R7 and adjustable resistance W2 respectively, 4 pin are connected output and the connection of pressurizer T1 and move back even capacitor C 7 with 14 pin, 5 pin ground connection, connect diode D8 respectively behind the 6 pin series resistance R8, the U that connects motor three-phase power behind the diode D7 that connects pressurizer T1 and the series resistance R9-10 mutually, the output of shunt regulator T1 behind the 7-9 pin difference series resistance R11-13, the 7-9 pin of master chip U1 also connects photoelectrical coupler U2 respectively, U4,4 pin of U6, the 10-12 pin each respectively behind series resistance R14-16 by the output control point A that is connected, B, the C point connects photoelectrical coupler U3 respectively, U5,1 pin of U7,13 pin connect resistance R 17 and connect LED 2 back ground connection, 15 pin are connected crystal oscillator CX with 16 pin, 17 pin, one tunnel series resistance R5 connects pressurizer T1, another road connects K switch 4,18 pin, one tunnel series resistance R4 connects pressurizer T1, another road connects K switch 3, photoelectrical coupler U2, U4, U6 is three-phase alternating-current supply W, V, each difference series resistance R18-19 of its 1 pin of the detection optocoupler of U phase, R20-21, the silicon controlled module MA that connects three-phase converter module behind the R22-23, MB, the K1 end of MC, 3 pin ground connection, photoelectrical coupler U3, U5, U7 is three-phase alternating-current supply W, V, U exports its 1 pin of control optocoupler mutually respectively by the output control point A that is connected, B, the C point connects DC power supply circuit and main control circuit, 2 pin ground connection, connect resistance R 27 respectively behind the 4 pin series resistance R24 of photoelectrical coupler U3, the G1 end of diode D2 and silicon controlled module MA, resistance R 27 and diode D2 and the W that connects the motor three-phase alternating-current supply are mutually, connect resistance R 28 respectively behind the 4 pin series resistance R25 of photoelectrical coupler U5, the G1 end of diode D4 and silicon controlled module MB, resistance R 28 and diode D4 and the V that connects the motor three-phase alternating-current supply are mutually, connect resistance R 29 respectively behind the 4 pin series resistance R26 of photoelectrical coupler U7, the G1 end of diode D6 and silicon controlled module MC, resistance R 29 and diode D6 and the U that connects the motor three-phase alternating-current supply are mutually, 6 pin of photoelectrical coupler U3 connect G2 end and the series resistance R30 of silicon controlled module MA respectively, connect the K2 end of silicon controlled module MA behind the diode D1,6 pin of photoelectrical coupler U5 connect G2 end and the series resistance R31 of silicon controlled module MB respectively, connect the K2 end of silicon controlled module MB behind the diode D3,6 pin of photoelectrical coupler U7 connect G2 end and the series resistance R32 of silicon controlled module MC respectively, connect the K2 end of silicon controlled module MC behind the diode D5
C, three-phase converter module are made up of three two-way MTC silicon controlled module MA-C, the K1 end of silicon controlled module MA-C connects three-phase alternating-current supply U, V, the W phase of motor respectively, the K2 end of silicon controlled module MA-C connects the binding post of motor M respectively for the control output end, and with the K2 of silicon controlled module MA, MB, MC end each connects photoelectrical coupler U2, the U4 of governor circuit, 2 pin of U6 respectively
D; rc protection circuit is made up of resistance R 33-35 and capacitor C 1-3; resistance R 33 and capacitor C 1 series connection; the other end of resistance R 33 connects the K2 end of the silicon controlled module MA of three-phase converter module; the other end of capacitor C 1 connects the K1 end of silicon controlled module MA; resistance R 34 and capacitor C 2 series connection; the other end of resistance R 34 connects the K2 end of silicon controlled module MB; the other end of capacitor C 2 connects the K1 end of silicon controlled module MB; resistance R 35 and capacitor C 3 series connection, the other end of resistance R 35 connects the K2 end of silicon controlled module MC; the other end of capacitor C 3 connects the K1 end of silicon controlled module MC.
3, microelectronic motor intelligent power-saving device according to claim 1 is characterized in that, three-phase converter module or adopt per 2 one group of inverse parallels of 6 individual event controllable silicons to form.
4, microelectronic motor intelligent power-saving device according to claim 1 is characterized in that, master chip is PIC16C620 type single-chip microcomputer or PIC16C621 or PIC16C621A or PIC16C622 or PIC16C622A type single-chip microcomputer in the main control circuit.
5, microelectronic motor intelligent power-saving device according to claim 1 and 2, it is characterized in that, be equiped with the circuit main board (2) that is fitted with electronic device in the electricity-saving appliance cabinet casing (1), and K switch 1-K4, LED 1-LED3, resistance R a-Rb, adjustable resistance W1-W2 are attached on the display operating panel.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CNU2006200264903U CN2914488Y (en) | 2006-06-20 | 2006-06-20 | Intelligent electricity saving machine of micro-electronic motor |
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Application Number | Priority Date | Filing Date | Title |
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CNU2006200264903U CN2914488Y (en) | 2006-06-20 | 2006-06-20 | Intelligent electricity saving machine of micro-electronic motor |
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CN2914488Y true CN2914488Y (en) | 2007-06-20 |
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CNU2006200264903U Expired - Fee Related CN2914488Y (en) | 2006-06-20 | 2006-06-20 | Intelligent electricity saving machine of micro-electronic motor |
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CN (1) | CN2914488Y (en) |
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- 2006-06-20 CN CNU2006200264903U patent/CN2914488Y/en not_active Expired - Fee Related
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