CN203027186U - Three-phase motor integration controller - Google Patents
Three-phase motor integration controller Download PDFInfo
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- CN203027186U CN203027186U CN2013200156044U CN201320015604U CN203027186U CN 203027186 U CN203027186 U CN 203027186U CN 2013200156044 U CN2013200156044 U CN 2013200156044U CN 201320015604 U CN201320015604 U CN 201320015604U CN 203027186 U CN203027186 U CN 203027186U
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Abstract
The utility model discloses a three-phase motor integration controller and aims to provide a three-phase alternating-current asynchronous motor control device to replace a traditional control method. The technical scheme of the utility model is as follows: a three-phase motor integration controller comprises a shell and is characterized in that the shell is equipped with a power output panel and a main board; the main board is installed on the power output panel; the main board is equipped with a main controller chip AVR (Automatic Voltage Regulation) chip, a power indicating light, an operation indicating light, an alarming indicating light, a current regulating switch and an alarming reset button; the power output panel is equipped with a power input terminal, a power output terminal, a 24V direct-current input terminal and a motor forward and reverse rotation control terminal; a silicon controlled module is used for a switch power circuit; a current transformer is used for detecting the output current of a power wire of the three-phase motor integration controller and transmitting the detected data to the main controller chip AVR chip.
Description
Technical field
The utility model relates to a kind of three-phase AC asynchronous motor control device, relates in particular to a kind of three phase electric machine integrated manipulator.
Background technology
As shown in Figure 7, be traditional three-phase AC asynchronous motor control circuit; Left figure is the three-phase AC asynchronous motor positive and reverse rotation control circuit, with 2 master switch SA1, SA2(or 2 auxiliary relay KA1, KA2), 1 air switch QF1,2 A.C. contactor KM1, KM2,1 hot protective relay FR1,1 capacitance-resistance extinguisher RC1, and be connected with terminal by the electric wire of complexity; Right figure is three-phase AC asynchronous motor one direction rotation control circuit, with 1 master switch SA3(or 1 auxiliary relay KA3), 1 air switch QF2,1 A.C. contactor KM3,1 hot protective relay FR2,1 capacitance-resistance extinguisher RC2 also will be connected with terminal by the electric wire of complexity; Foregoing circuit will realize that the zero voltage protection functional circuit is also more complicated.
In traditional three-phase AC asynchronous motor control circuit, control the three-phase AC asynchronous motor rotating, generally need 2 master switches (or 2 auxiliary relays), 1 air switch, 2 A.C. contactors, 1 hot protective relay, 1 components and parts such as capacitance-resistance extinguisher, and be connected with terminal by the electric wire of complexity; If just control the rotation of three-phase AC asynchronous motor one direction; generally also need the components and parts such as master switch (or auxiliary relay), air switch, A.C. contactor, hot protective relay, capacitance-resistance extinguisher, also will be connected with terminal by the electric wire of complexity.Although manufacturing technology and component structure are constantly updated and are regenerated now, but the AC contactor main contact arcing damages problem and still is not solved, A.C. contactor easily causes fire in inflammable and explosive occasion, and contact closure, disconnection are with larger noise; Hot protective relay is to adopt the mechanical structure execution action in the process of protection, and the protection precision is low, and adjustable range is narrow, and is various in style; Therefore existing three-phase AC asynchronous motor control technology exists uses components and parts too much; wiring bothers very much, complexity; components and parts useful life is short, noise is large, failure rate is high, versatility is poor, low to three-phase AC asynchronous motor protection precision, the deficiencies such as high cost.
The utility model content
The purpose of this utility model is to provide a kind of three-phase AC asynchronous motor control device; replace traditional control method; overcoming existing three-phase AC asynchronous motor control technology exists and uses components and parts too much; wiring bothers very much, complexity; components and parts useful life is short, noise is large, failure rate is high, versatility is poor, low to three-phase AC asynchronous motor protection precision, the deficiencies such as high cost.
For achieving the above object, the technical solution adopted in the utility model is:
a kind of three phase electric machine integrated manipulator, comprise housing, it is characterized in that: housing is equipped with power output board and mainboard, mainboard be contained in the power output board above, master controller chip AVR chip is housed on mainboard, the motor positive and inverse control terminal, silicon controlled module also is housed on the power output board, current transformer module, silicon controlled module is used for the switch motor circuit, current transformer module is for detection of the output current of three phase electric machine integrated manipulator power line, and will detect transfer of data to master controller chip AVR chip, master controller chip AVR chip gathers the electric current of current transformer module, then compare with the motor rated current that current regulating switch sets, judge by plug-in and then control silicon controlled module, realize the phase shortage of motor, overload, short-circuit protection, the rotating control signal of motor is transferred to master controller chip AVR chip by the motor positive and inverse control terminal, after the judgement of master controller chip AVR chip, control signal is passed to silicon controlled module by optical coupling module, the on off operating mode of silicon controlled module can be controlled motor start and stop and rotating.
Described mainboard also is equipped with power supply indicator, run indicator, alarm lamp, current regulating switch, ann reset button, electrical source of power input terminal, electrical source of power lead-out terminal, direct current 24V input terminal are housed on the power output board, the capacitance-resistance extinguisher also is housed on the power output board, and described capacitance-resistance extinguisher is used for filtering the inverse electromotive force that produces when motor stops.It is the AVR microprocessor of ATMEGA8 that master controller chip AVR chip adopts model.
The utility model has the advantages that:
This device is divided into control three-phase AC asynchronous motor folk prescription and rotates mutually and control three-phase AC asynchronous motor rotating rotation two large classes, and can realize phase shortage, overload, short circuit, the zero voltage protection function of three-phase AC asynchronous motor.Use the utility model to control three-phase AC asynchronous motor, have advantages of that wiring is simple, volume is little, easy for installation, long service life, noise are low, failure rate is low, highly versatile.The utility model also has three-phase AC asynchronous motor protection precision high, and cost is low, and low cost and other advantages in a large number can save material.
Description of drawings
Fig. 1 is front view schematic diagram of the present utility model;
Fig. 2 is the cutaway view of facing upward of the present utility model;
Fig. 3 is left cutaway view of the present utility model;
Fig. 4 is control flow chart of the present utility model;
Fig. 5 is the functional block diagram of each module of the present utility model;
Fig. 6 is the utility model electrical schematic diagram in actual applications;
Fig. 7 is traditional circuit (existing technology) electrical schematic diagram;
Fig. 8 is the electrical schematic diagram of mainboard;
Fig. 9 is the electrical schematic diagram of power output board;
Figure 10 is the A part of the electrical schematic diagram of mainboard;
Figure 11 is the B part of the electrical schematic diagram of mainboard;
Figure 12 is the C part of the electrical schematic diagram of mainboard;
Figure 13 is the A part of the electrical schematic diagram of power output board;
Figure 14 is the B part of the electrical schematic diagram of power output board.
In accompanying drawing:
1, electrical source of power input terminal; 2, motor positive and inverse control terminal; 3, direct current 24V input terminal; 4, electrical source of power lead-out terminal; 5, power supply indicator; 6, run indicator; 7, alarm lamp; 8, current regulating switch; 9, ann reset button; 11, housing; 12, mainboard; 13, power output board; 14, power plate socket; 15, mainboard plug; 21, power interface; 22, I/O input interface; 23,7805 power modules; 24, I/O input module; 25, status indicator lamp module; 26, master controller chip AVR chip; 27, optical coupling module; 28, silicon controlled module; 29, current transformer module; 30, three-phase alternating current input interface; 31, capacitance-resistance extinguisher; 32, three-phase alternating current output interface; 33, electrical source of power; 34, direct current 24V power supply; 35, motor positive and inverse control button; 36, three phase electric machine integrated manipulator; 37, three-phase AC asynchronous motor.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described:
A kind of three phase electric machine integrated manipulator, extremely shown in Figure 6 referring to Fig. 1.As shown in Figure 2, the utility model comprises housing 11, and dynamic output board 13 above housing 11 is equipped with mainboard 12 on power output board 13.Power supply indicator 5, run indicator 6, alarm lamp 7(are housed as shown in Figure 1 on mainboard 12), be used to indicate the operating state of three phase electric machine integrated manipulator 36; Mainboard 12 is connected (as shown in Figure 3) with mainboard plug 15 by the socket 14 above power output board 13 with power output board 13, is used for the signal of 13 of transmission mainboard 12 and power output boards.As shown in Figure 1, current regulating switch 8 is housed on mainboard 12, is used for setting the motor rated current, the ann reset button 9 on mainboard 12, resetting after reporting to the police for the three phase electric machine integrated manipulator.
As shown in Fig. 1～2, electrical source of power input terminal 1 and electrical source of power lead-out terminal 4 are housed on power output board 13, realize the input and output of electrical source of power; Direct current 24V input terminal 3 and motor positive and inverse control terminal 2 are housed on power output board 13, are respectively used to the rotating to three phase electric machine integrated manipulator 36 Power supply and control motors.
As shown in Figure 4, capacitance-resistance extinguisher 31 is housed on power output board 13, is used for filtering the inverse electromotive force that produces when three-phase AC asynchronous motor 37 stops; Silicon controlled module 28 is housed on power output board 13, and silicon controlled module 28 is connected with three phase mains with master controller chip AVR chip 26, and then the signal that is used for reception master controller chip AVR chip 26 controls motor circuit; Current transformer module 29 is housed on power output board 13, for detection of the output current of three phase electric machine integrated manipulator 36, will detects transfer of data to master controller chip AVR chip 26 by circuit; Master controller chip AVR chip 26 is contained on mainboard 12; master controller chip AVR chip 26 gathers the electric current of current transformer module 29; then the motor rated current that sets with current regulating switch 8 is compared; the software engineer is according to the characteristic software for editing of motor, and master controller chip AVR chip 26 is realized phase shortage, overload, the short-circuit protection of motor by built-in program judgement.The motor positive and inverse input signal is transferred to master controller chip AVR chip 26 by motor positive and inverse control terminal 2, master controller chip AVR chip 26 is by driving silicon controlled module 28 with signal by optical coupling module 27 after processing, realize controlling the break-make of silicon controlled module 28, and then control three-phase AC asynchronous motor 37 start and stop and rotating; Power on after three phase electric machine integrated manipulator 36 outage, the start stop signal of controller chip AVR chip 26 judgement motors is just effective after " 0 " change " 1 " again, thereby plays the zero voltage protection effect of motor; If do not want the zero voltage protection function when device uses, on mainboard 12, short bar is housed, short bar can be pulled out.
The connection of each module as shown in Figure 5, power interface 21 is connected to the power input of 7805 power modules 23, the Voltage-output of 7805 power modules 23 terminates to the power end of Master control chip AVR chip 26; Master control chip AVR chip 26 is connected with the control end of status indicator lamp module 25, optical coupling module 27 respectively; The output of optical coupling module 27 is connected with the control end of silicon controlled module 28; Silicon controlled module 28 is connected with three-phase alternating current input interface 30, three-phase alternating current output interface 32 respectively.I/O input interface 22 is connected with the input of I/O input module 24, and the output of I/O input module 24 is connected with Master control chip AVR chip 26; Master control chip AVR chip 26 is connected with current transformer module 29, and then current transformer module 29 is connected with three-phase alternating current output interface 32.Capacitance-resistance extinguisher 31 is connected with three-phase alternating current output interface 32.
As shown in Figure 4, the utility model is input to master controller chip AVR chip 26 by current regulating switch 8 with motor rated current data, motor positive and inverse signal and ann reset signal arrive master controller chip AVR chip 26 by I/O input interface 22, master controller chip AVR chip 26 is controlled conducting and the cut-off of silicon controlled module 28 after treatment, and then controls three-phase AC asynchronous motor 37.Current transformer module 29 collects threephase asynchronous 37 real work electric currents, and data feedback is arrived master controller chip AVR chip 26; Master controller chip AVR chip 26 is controlled conducting and the cut-off of silicon controlled module 29 after treatment, controls the electric current output of three-phase alternating current output interface 32, and then realizes short circuit, overload, the open-phase protection of motor.Simultaneously, master controller chip AVR chip 26 is transferred to status indicator lamp module 25 with the actual working state signal (operation, warning) of three phase electric machine integrated manipulator 36.The capacitance-resistance extinguisher 31 that is equipped with on power output board 13 is used for filtering the inverse electromotive force that produces when three-phase AC asynchronous motor 37 stops.Power interface 21 is connected with 7805 power modules, and 7805 power modules are connected with master controller chip AVR chip 26 and for it provides power supply.
As shown in Figure 6, the three phase electric machine integrated manipulator is electrical schematic diagram in actual applications, three phase electric machine integrated manipulator 36 access electrical source of power 33 and direct current 24V power supplys 34, three-phase AC asynchronous motor 37 is received three phase electric machine integrated manipulator 36, one of motor positive and inverse control button 35 terminates to common wire+24V, the other end is received three phase electric machine integrated manipulator 36, regulates current regulating switch 8 according to the motor rated current that marks on motor nameplate, sets the size of electric current.
Below concise and to the point introduce concrete operation method of the present utility model:
A, when three phase electric machine integrated manipulator 36, when access electrical source of power 33 and direct current 24V power supply 34, power supply indicator 5 is lighted, at this moment motor positive and inverse control button 35 is got to motor forward state, run indicator 7 is lighted, and simultaneously three-phase AC asynchronous motor 37 positive directions are rotated, and transships in the process of operation, phase shortage, short circuit alarm indicator light 8 light also remember condition, only have after the reset button 9 that pushes for emergency after the fault eliminating, report to the police and just can remove.
B, when three phase electric machine integrated manipulator 36, when access electrical source of power 33 and direct current 24V power supply 34, power supply indicator 5 is lighted, at this moment motor positive and inverse control button 35 is got to the motor reversal state, run indicator 7 is lighted, and three-phase AC asynchronous motor 37 counter-rotation are simultaneously transshipped in the process of operation, phase shortage, short circuit alarm indicator light 8 light also remember condition, only have after pressing reset button 9 after the fault eliminating, fault just can be removed.
The electrical schematic diagram of mainboard 12 and power output board 13 as shown in Figure 7 and Figure 8.
As shown in Figure 8, power supply chip adopts LM7805, and it is converted to 5V for the work of controller mainboard with 24V.Two ten code switchs are used for the rated current parameter that is complementary with three-phase AC asynchronous motor is set, and this parameter is sent into master controller chip AVR chip 26.2*6P connector above mainboard 12 is connected with controller power output board 13, and with motor control signal, direct current 24V power supply, the electric current that current transformer module obtains is sent into master controller chip AVR chip 26.Voltage stabilizing chip TL431 provides stable 2.5V reference voltage to improve precision for AD conversion.Master controller chip AVR chip 26 is changed by AD the current parameters that the current value that will collect and toggle switch set and is compared, and then realizes electric motor protecting.Master controller chip AVR chip 26 is shown to power supply, operation, alarm condition on the LED lamp in real time simultaneously.
As shown in Figure 9, motor control signal is delivered to the power output board 13 of controller by connector, controls 5 break-makes that model is the optocoupler of MC34083, optocoupler and then the break-make of controlling 5 silicon controlled modules realize motor positive and negative, stop action.The 380V alternating current is input to power output board 13 by electrical source of power input terminal 1, outputs to electrical source of power lead-out terminal 4 through silicon controlled module 28.Current transformer module 29 induces electric current on the power output line by 1000:1, delivers on controller mainboard 12 by connector.The 24V control signal of positive and negative control terminal 2 inputs of motor is converted to the 5V control signal by optocoupler PC817, then delivers to mainboard 12 through connector.All be connected to the RC filter circuit between silicon controlled module 28 and motor phase line, in order to protective circuit.
As shown in figure 10: Q1 is 7805 power modules, input DC24V, output DC5V; TL431 and R3_1, C3_1 generate DC2.5V to DC5V; U4_1 and U4_2 are toggle switchs, and it can generate the decimal number of 2 8421 yards; (2 what meanings?) circuit that forms of R5_1, R52_, R5_3, D51_, D5_2, input Figure 14 is from ADC0A, the ADC0B signal of TP1 current transformer, and after processing, output ADC0 signal passes to 23 jiaos of U6 of Figure 12; P3 is short bar.
As shown in figure 11: P1, P2 are the mainboard socket; D3, D4, D5 are run indicator, alarm lamp and power supply indicator; J2 is the port of Master control chip and peripheral hardware.As shown in figure 12: U6 is master controller chip AVR chip, and S6 is reset button, and Y3 is crystal oscillator, and L6_1 and C6_2 form capacitance-resistance filter.
Drive universal circuit for controllable silicon as shown in figure 13.As shown in figure 14: PT1 and PT2 are the circuit instrument transformer, and 1,2,3 of P5 is the three-phase alternating current input terminal, and 4,5,6 of P5 is the three-phase alternating current lead-out terminal; R40, R41, R42, C40, C41, C42 form the capacitance-resistance extinguisher; 1,2 of P6 is the motor positive and inverse control terminal, and 3,4 of P6 is direct current 24V input terminal; P11, P12 are the power plate socket; U8_1, U8_2 are optical coupling module.
Claims (3)
1. three phase electric machine integrated manipulator, comprise housing (11), it is characterized in that: housing (11) is equipped with power output board (13) and mainboard (12), mainboard (12) be contained in power output board (13) above, master controller chip AVR chip (26) is housed on mainboard (12), motor positive and inverse control terminal (2), silicon controlled module (28) also is housed on power output board (13), current transformer module (29), silicon controlled module (28) is used for the switch motor circuit, current transformer module (29) is for detection of the output current of three phase electric machine integrated manipulator (36) power line, and will detect transfer of data to master controller chip AVR chip (26), master controller chip AVR chip (26) gathers the electric current of current transformer module (29), then compare with the motor rated current that current regulating switch (8) sets, judge by plug-in and then control silicon controlled module (28), realize the phase shortage of motor, overload, short-circuit protection, the rotating control signal of motor is transferred to master controller chip AVR chip (26) by motor positive and inverse control terminal (2), after master controller chip AVR chip (26) judgement, control signal is passed to silicon controlled module (28) by optical coupling module (27), the on off operating mode of silicon controlled module (28) can be controlled motor start and stop and rotating.
2. three phase electric machine integrated manipulator according to claim 1, it is characterized in that: described mainboard (12) also is equipped with power supply indicator (5), run indicator (6), alarm lamp (7), current regulating switch (8), ann reset button (9), electrical source of power input terminal (1) is housed on power output board (13), electrical source of power lead-out terminal (4), direct current 24V input terminal (3), capacitance-resistance extinguisher (31) also is housed on power output board (13), described capacitance-resistance extinguisher (31) is used for filtering the inverse electromotive force that produces when motor stops.
3. three phase electric machine integrated manipulator according to claim 1 is characterized in that: it is the AVR microprocessor of ATMEGA8 that described master controller chip AVR chip (26) adopts model.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200156044U CN203027186U (en) | 2013-01-11 | 2013-01-11 | Three-phase motor integration controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200156044U CN203027186U (en) | 2013-01-11 | 2013-01-11 | Three-phase motor integration controller |
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| Publication Number | Publication Date |
|---|---|
| CN203027186U true CN203027186U (en) | 2013-06-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013200156044U Expired - Fee Related CN203027186U (en) | 2013-01-11 | 2013-01-11 | Three-phase motor integration controller |
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| CN (1) | CN203027186U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103095210A (en) * | 2013-01-11 | 2013-05-08 | 山东山森数控技术有限公司 | Three-phase motor integrated controller |
| CN106330003A (en) * | 2016-08-30 | 2017-01-11 | 上海交通大学 | Simple soft start system and method for light-load asynchronous motor in power frequency 380V power system |
| CN108494290A (en) * | 2018-05-23 | 2018-09-04 | 开滦（集团）有限责任公司电信分公司 | The direct start and stop secondary circuit control device of three-phase squirrel-cage induction motor |
-
2013
- 2013-01-11 CN CN2013200156044U patent/CN203027186U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103095210A (en) * | 2013-01-11 | 2013-05-08 | 山东山森数控技术有限公司 | Three-phase motor integrated controller |
| CN106330003A (en) * | 2016-08-30 | 2017-01-11 | 上海交通大学 | Simple soft start system and method for light-load asynchronous motor in power frequency 380V power system |
| CN106330003B (en) * | 2016-08-30 | 2020-06-30 | 上海交通大学 | System and method for simple soft start of light-load asynchronous motor under power frequency 380V power system |
| CN108494290A (en) * | 2018-05-23 | 2018-09-04 | 开滦（集团）有限责任公司电信分公司 | The direct start and stop secondary circuit control device of three-phase squirrel-cage induction motor |
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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: 20130626 Termination date: 20190111 |