CN102723903A - Time sequence single-phase control three-phase asynchronous motor device and method thereof - Google Patents
Time sequence single-phase control three-phase asynchronous motor device and method thereof Download PDFInfo
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Abstract
The invention provides a time sequence single-phase control three-phase asynchronous motor device and a method thereof, which consists of a main control box, an auxiliary control box and a three-phase asynchronous motor, wherein the main control box comprises a remote control output device or a microcomputer of a control unit, a fuse E, an automatic switch QF, an alternating current contactor KM and a three-phase four-wire system power line; the auxiliary control box comprises an alternating current contactor KM and a three-phase four-wire system power line. The interlocking of positive and negative rotation of the motor and the interlocking between the motor and the motor are realized through the main contact or the auxiliary contact of the alternating current contactor. The invention is suitable for loads such as an electric crane, a remote pump, a fan and the like, can effectively improve the running condition of equipment and the operation environment of maintainers, reduces the failure rate of the equipment, reduces the safety accident rate of the maintainers, avoids using a large amount of cables and expensive cable pulleys, and greatly saves the material cost and the construction cost.
Description
Technical field
The invention belongs to the automatic control equipment field, relate in particular to a kind of devices and methods therefor that is used for three threephase asynchronouses of the single-phase control of sequential in electric crane, expedition pump and control field such as fan-type.
Background technology
In industry, military, civil area, some electric crane, expedition pump and electric components such as fan-type are in environment position abominable, with a varied topography.In such environment, electric equipment because of vibration, dust, there was dampness in the air, corrosion etc. is former thereby fault is more, lifetime; If at these local repair apparatus, the people will be in unsafe condition.
In order to reduce the failure rate of electric equipment; Increase the useful life of electric equipment; And create the environment of a safety to the maintainer; The most of electric equipment that needs control these loads is concentrated and is moved on to that environment is good, the place of easy access, moves on to ground from the high-altitude like the control system with the single-beam electric crane.
But in the local time that these control system are moved on to other, need to increase power cable.For example: the control system of single-beam electric crane is moved on to ground when coming from the high-altitude, need aloft to increasing by 1 power cable between the ground at least.These newly-increased power cables make difficulty of construction and cost increase greatly, and have also increased the fault of system newly.
Summary of the invention
The present invention aims to provide a kind of device and method that is used for three threephase asynchronouses of the single-phase control of sequential of electric crane, expedition pump and fan-type even load; Purpose is to use less three-phase four-wire system cable; Realize three threephase asynchronouses of Long-distance Control, with the running environment of improvement equipment and people's operational environment.
For this reason, the solution that the present invention taked is:
Three threephase asynchronous devices of the single-phase control of a kind of sequential is characterized in that, are made up of main control box (1), auxiliary control case (2) and threephase asynchronous M;
Main control box (1) comprises control unit, fuse E, automatic switch QF, contactor KM and three-phase four-wire system power line L-N;
Auxiliary control case (2) comprises contactor KM and three-phase four-wire system power line L-N;
Main control box (1) interior three fuse E1, E2, E3 are connected in live wire L1, the L2 of three-phase four-wire system power line, the inlet wire side of L3, and three fuse E1, E2, E3 output live wires are followed successively by L1/1, L2/1, L3/1; Automatic switch QF1, QF2, QF3 are respectively through electric wire and to be connected in three-phase firewire L1/1, L2/1, L3/1 last; Automatic switch QF1 output line is three-phase power line 1L1,1L2,1L3; Automatic switch QF2 output line is three-phase power line 2L1,2L2,2L3; Automatic switch QF3 output line is three-phase power line 3L1,3L2,3L3; Live wire 1L1 connects any main contacts input of contactor KM11; Live wire 1L2 connects contactor KM12 main contacts B phase input; Live wire 1L2 connects contactor KM13 main contacts C phase input simultaneously; Live wire 1L3 connects contactor KM12 main contacts C phase input, and live wire 1L3 connects contactor KM13 main contacts B phase input simultaneously; Live wire 2L2 connects any main contact input of contactor KM21; Live wire 2L1 connects contactor KM22 main contacts A phase input; Live wire 2L1 connects contactor KM23 main contacts C phase input simultaneously; Live wire 2L3 connects contactor KM22 main contacts C phase input, and live wire 2L3 connects contactor KM23 main contacts A phase input simultaneously; Live wire 3L3 connects any main contact input of contactor KM31; Live wire 3L1 connects contactor KM32 main contacts A phase input; Live wire 3L1 connects contactor KM33 main contacts B phase input simultaneously; Live wire 3L2 connects contactor KM32 main contacts B phase input, and live wire 3L2 connects contactor KM33 main contacts A phase input simultaneously; After 1L1,2L1,2L3,3L1,3L2 passed through contactor KM11, KM22, KM23, KM32, KM33 electric contact respectively, five line parallels were drawn outside the main control box (1); After 1L2,1L3,2L2,3L1,3L2 passed through contactor KM12, KM13, KM21, KM33, KM32 electric contact respectively, five line parallels were drawn outside the main control box (1); Behind 1L2,1L3,2L1,2L3,3L3 process contactor KM13, KM12, KM23, KM22, the KM31 electric contact, five line parallels are drawn outside the main control box (1); Zero line N also draws outside the main control box (1), forms three-phase four-wire system power supply L1 ', L2 ', L3 ', N, and guides to auxiliary control case (2) inside;
The interior A.C. contactor KM14 of auxiliary control case (2), KM24, three of KM34 often open electric contact upper end parallel connection and guide on the three-phase four-wire system power supply, and A.C. contactor KM14, KM24, three of KM34 often leave the electric contact lower end and draw auxiliary control case (2) outside; Contactor KM14 coil is series at the normally closed electric contact of contactor KM24 and KM34, and power line originates in the live wire L1 ' of three-phase four-wire system power supply, ends at the zero line N ' of three-phase four-wire system power supply; Contactor KM24 coil is series at the normally closed electric contact of contactor KM34 and KM14, and power line originates in the live wire L2 ' of three-phase four-wire system power supply, ends at the zero line N ' of three-phase four-wire system power supply; Contactor KM34 coil is series at the normally closed electric contact of contactor KM24 and KM14, and power line originates in the live wire L3 ' of three-phase four-wire system power supply, ends at the zero line N ' of three-phase four-wire system power supply; The corresponding respectively threephase asynchronous M that connects of A.C. contactor KM lead-out wire in the auxiliary control case (2).
Control unit in the said main control box (1) is button, change over switch, remote controller, PLC, microcomputer or wiring board.
Automatic switch QF parameter in the said main control box (1) is complementary with corresponding threephase asynchronous M.
Said main control box (1) is installed in that environment is good, the home of easy access; Auxiliary control case (2) is installed in the position near motor.
Participate in control between said main control box (1) and the auxiliary control case (2) and provide the cable of three phase mains to be at least four-core.
A kind of method of using three threephase asynchronous devices of the single-phase control of above-mentioned sequential, its concrete grammar is:
When startup threephase asynchronous M1 is just changeing it:
Q0.2 and Q0.3 provide signal, the adhesive of KM11 elder generation, and adhesive behind KM12 and the KM14, threephase asynchronous M1 is just transporting row;
When startup threephase asynchronous M1 makes its counter-rotating:
Q0.2 and Q0.4 provide signal, the adhesive of KM11 elder generation, adhesive behind KM13 and the KM14, the threephase asynchronous M1 operation of reversing;
When startup threephase asynchronous M2 is just changeing it:
Q0.5 and Q0.6 provide signal, the adhesive of KM2 elder generation, and adhesive behind KM22 and the KM24, threephase asynchronous M2 is just transporting row;
When startup threephase asynchronous M2 makes its counter-rotating:
Q0.5 and Q0.7 provide signal, the adhesive of KM21 elder generation, adhesive behind KM23 and the KM24, the threephase asynchronous M2 operation of reversing;
When startup threephase asynchronous M3 is just changeing it:
Q1.0 and Q1.1 provide signal, the adhesive of KM31 elder generation, and adhesive behind KM32 and the KM34, threephase asynchronous M3 is just transporting row;
When startup threephase asynchronous M3 makes its counter-rotating:
Q1.0 and Q1.2 provide signal, the adhesive of KM31 elder generation, adhesive behind KM33 and the KM34, the threephase asynchronous M3 operation of reversing.
Realize motor rotating interlocking, interlocking between motor and the motor through A.C. contactor main contact or auxiliary contact.
Beneficial effect of the present invention does:
1, the present invention can effectively improve the service conditions of equipment and maintainer's operating environment, reduces equipment failure rate, has realized the long-range fault of searching, and reduces maintainer's security incident rate.
2, the present invention can avoid the use of a large amount of cables and expensive cable coaster, greatly saves Master Cost and operating expenses.
Description of drawings
Accompanying drawing is three threephase asynchronous devices of the single-phase control of sequential elementary diagram.
Among the figure: 1 is main control box; 2 is auxiliary control case; M is a threephase asynchronous; E is a fuse; QF is an automatic switch; KM is a contactor; L is the live wire of three-phase four-wire system power line; N is a zero line; A, B, C are main contacts input phase place; KM11, KM12, KM13, KM14, KM21, KM22, KM23, KM24, KM31, KM32, KM33, KM34 are contactor; Q0.2, Q0.3, Q0.4, Q0.5, Q0.6, Q0.7, Q1.0, Q1.1, Q1.2 are respectively the output point of control unit.
Embodiment
Three threephase asynchronous device systems of the single-phase control of sequential of the present invention are made up of main control box 1, auxiliary control case 2 and threephase asynchronous M.
Main control box 1 comprises control unit, fuse E, automatic switch QF, contactor KM and three-phase four-wire system power line.
Main control box 1 interior three fuse E1, E2, E3 are connected in live wire L1, the L2 of three-phase four-wire system power line, the inlet wire side of L3, and three fuse E1, E2, E3 output live wires are followed successively by L1/1, L2/1, L3/1; Automatic switch QF1, QF2, QF3 are respectively through electric wire and to be connected in three-phase firewire L1/1, L2/1, L3/1 last; Automatic switch QF1 output line is three-phase power line 1L1,1L2,1L3; Automatic switch QF2 output line is three-phase power line 2L1,2L2,2L3; Automatic switch QF3 output line is three-phase power line 3L1,3L2,3L3; Live wire 1L1 connects any main contacts input of contactor KM11; Live wire 1L2 connects contactor KM12 main contacts B phase input; Live wire 1L2 connects contactor KM13 main contacts C phase input simultaneously; Live wire 1L3 connects contactor KM12 main contacts C phase input, and live wire 1L3 connects contactor KM13 main contacts B phase input simultaneously; Live wire 2L2 connects any main contact input of contactor KM21; Live wire 2L1 connects contactor KM22 main contacts A phase input; Live wire 2L1 connects contactor KM23 main contacts C phase input simultaneously; Live wire 2L3 connects contactor KM22 main contacts C phase input, and live wire 2L3 connects contactor KM23 main contacts A phase input simultaneously; Live wire 3L3 connects any main contact input of contactor KM31; Live wire 3L1 connects contactor KM32 main contacts A phase input; Live wire 3L1 connects contactor KM33 main contacts B phase input simultaneously; Live wire 3L2 connects contactor KM32 main contacts B phase input, and live wire 3L2 connects contactor KM33 main contacts A phase input simultaneously; 1L1,2L1,2L3,3L1,3L2, respectively pass through contactor KM11, KM22, KM23, KM32, KM33 electric contact after, five line parallels are drawn outside the main control box 1; After 1L2,1L3,2L2,3L1,3L2 passed through contactor KM12, KM13, KM21, KM33, KM32 electric contact respectively, five line parallels were drawn outside the main control box 1; Behind 1L2,1L3,2L1,2L3,3L3 process contactor KM13, KM12, KM23, KM22, the KM31 electric contact, five line parallels are drawn outside the main control box 1; Zero line N also draws outside the main control box 1, forms three-phase four-wire system power supply L1 ', L2 ', L3 ', N, and guides to auxiliary control case 2 inside;
Parallel connection was guided on the three-phase four-wire system power supply on A.C. contactor KM14, KM24, three of KM34 often left electric contact in the auxiliary control case 2, and A.C. contactor KM14, KM24, three of KM34 often leave the electric contact lower end and draw auxiliary control case 2 outsides; Contactor KM14 coil is series at the normally closed electric contact of contactor KM24 and KM34, and power line originates in the live wire L1 ' of three-phase four-wire system power supply, ends at the zero line N ' of three-phase four-wire system power supply; Contactor KM24 coil is series at the normally closed electric contact of contactor KM34 and KM14, and power line originates in the live wire L2 ' of three-phase four-wire system power supply, ends at the zero line N ' of three-phase four-wire system power supply; Contactor KM34 coil is series at the normally closed electric contact of contactor KM24 and KM14, and power line originates in the live wire L3 ' of three-phase four-wire system power supply, ends at the zero line N ' of three-phase four-wire system power supply; The corresponding respectively threephase asynchronous M that connects of A.C. contactor KM lead-out wire in the auxiliary control case 2.
Control unit in the said main control box 1 is button, change over switch, remote controller, PLC, microcomputer or wiring board.
Automatic switch QF parameter in the said main control box 1 is complementary with corresponding threephase asynchronous M.
Said main control box 1 is installed in that environment is good, the home of easy access; Auxiliary control case 2 is installed in the position near motor.
Participate in control between said main control box 1 and the auxiliary control case 2 and provide the cable of three phase mains to be at least four-core.
The method of three threephase asynchronouses of the single-phase control of a kind of sequential, its concrete grammar is:
When startup threephase asynchronous M1 is just changeing it:
Q0.2 and Q0.3 provide signal, the adhesive of KM11 elder generation, and adhesive behind KM12 and the KM14, threephase asynchronous M1 is just transporting row;
When startup threephase asynchronous M1 makes its counter-rotating:
Q0.2 and Q0.4 provide signal, the adhesive of KM11 elder generation, adhesive behind KM13 and the KM14, the threephase asynchronous M1 operation of reversing;
When startup threephase asynchronous M2 is just changeing it:
Q0.5 and Q0.6 provide signal, the adhesive of KM21 elder generation, and adhesive behind KM22 and the KM24, threephase asynchronous M2 is just transporting row;
When startup threephase asynchronous M2 makes its counter-rotating:
Q0.5 and Q0.7 provide signal, the adhesive of KM21 elder generation, adhesive behind KM23 and the KM24, the threephase asynchronous M2 operation of reversing;
When startup threephase asynchronous M3 is just changeing it:
Q1.0 and Q1.1 provide signal, the adhesive of KM31 elder generation, and adhesive behind KM32 and the KM34, threephase asynchronous M3 is just transporting row;
When startup threephase asynchronous M3 makes its counter-rotating:
Q1.0 and Q1.2 provide signal, the adhesive of KM31 elder generation, adhesive behind KM33 and the KM34, the threephase asynchronous M3 operation of reversing.
Realize motor positive and inverse interlocking, interlocking between motor and the motor through A.C. contactor main contact or auxiliary contact.
Claims (7)
1. three threephase asynchronous devices of the single-phase control of sequential is characterized in that, are made up of main control box (1), auxiliary control case (2) and threephase asynchronous M;
Main control box (1) comprises control unit, fuse E, automatic switch QF, contactor KM and three-phase four-wire system power line L-N;
Auxiliary control case (2) comprises contactor KM and three-phase four-wire system power line L-N;
Main control box (1) interior three fuse E1, E2, E3 are connected in live wire L1, the L2 of three-phase four-wire system power line, the inlet wire side of L3, and three fuse E1, E2, E3 output live wires are followed successively by L1/1, L2/1, L3/1; Automatic switch QF1, QF2, QF3 are respectively through electric wire and to be connected in three-phase firewire L1/1, L2/1, L3/1 last; Automatic switch QF1 output line is three-phase power line 1L1,1L2,1L3; Automatic switch QF2 output line is three-phase power line 2L1,2L2,2L3; Automatic switch QF3 output line is three-phase power line 3L1,3L2,3L3; Live wire 1L1 connects any main contacts input of contactor KM11; Live wire 1L2 connects contactor KM12 main contacts B phase input; Live wire 1L2 connects contactor KM13 main contacts C phase input simultaneously; Live wire 1L3 connects contactor KM12 main contacts C phase input, and live wire 1L3 connects contactor KM13 main contacts B phase input simultaneously; Live wire 2L2 connects any main contact input of contactor KM21; Live wire 2L1 connects contactor KM22 main contacts A phase input; Live wire 2L1 connects contactor KM23 main contacts C phase input simultaneously; Live wire 2L3 connects contactor KM22 main contacts C phase input, and live wire 2L3 connects contactor KM23 main contacts A phase input simultaneously; Live wire 3L3 connects any main contact input of contactor KM31; Live wire 3L1 connects contactor KM32 main contacts A phase input; Live wire 3L1 connects contactor KM33 main contacts B phase input simultaneously; Live wire 3L2 connects contactor KM32 main contacts B phase input, and live wire 3L2 connects contactor KM33 main contacts A phase input simultaneously; After 1L1,2L1,2L3,3L1,3L2 passed through contactor KM11, KM22, KM23, KM32, KM33 electric contact respectively, five line parallels were drawn outside the main control box (1); After 1L2,1L3,2L2,3L1,3L2 passed through contactor KM12, KM13, KM21, KM33, KM32 electric contact respectively, five line parallels were drawn outside the main control box (1); Behind 1L2,1L3,2L1,2L3,3L3 process contactor KM13, KM12, KM23, KM22, the KM31 electric contact, five line parallels are drawn outside the main control box (1); Zero line N also draws outside the main control box (1), forms three-phase four-wire system power supply L1 ', L2 ', L3 ', N, and guides to auxiliary control case (2) inside;
The interior A.C. contactor KM14 of auxiliary control case (2), KM24, three of KM34 often open electric contact upper end parallel connection and guide on the three-phase four-wire system power supply, and A.C. contactor KM14, KM24, three of KM34 often leave the electric contact lower end and draw auxiliary control case (2) outside; Contactor KM14 coil is series at the normally closed electric contact of contactor KM24 and KM34, and power line originates in the live wire L1 ' of three-phase four-wire system power supply, ends at the zero line N ' of three-phase four-wire system power supply; Contactor KM24 coil is series at the normally closed electric contact of contactor KM34 and KM14, and power line originates in the live wire L2 ' of three-phase four-wire system power supply, ends at the zero line N ' of three-phase four-wire system power supply; Contactor KM34 coil is series at the normally closed electric contact of contactor KM24 and KM14, and power line originates in the live wire L3 ' of three-phase four-wire system power supply, ends at the zero line N ' of three-phase four-wire system power supply; The corresponding respectively threephase asynchronous M that connects of A.C. contactor KM lead-out wire in the auxiliary control case (2).
2. three threephase asynchronous devices of the single-phase control of sequential according to claim 1 is characterized in that, the control unit in the said main control box (1) is button, change over switch, remote controller, PLC, microcomputer or wiring board.
3. three threephase asynchronous devices of the single-phase control of sequential according to claim 1 is characterized in that, the automatic switch QF parameter in the said main control box (1) is complementary with corresponding threephase asynchronous M.
4. three threephase asynchronous devices of the single-phase control of sequential according to claim 1 is characterized in that, said main control box (1) is installed in that environment is good, the home of easy access; Auxiliary control case (2) is installed in the position near motor.
5. three threephase asynchronous devices of the single-phase control of sequential according to claim 1 is characterized in that, participate in control between said main control box (1) and the auxiliary control case (2) and provide the cable of three phase mains to be at least four-core.
6. an application rights requires the method for three threephase asynchronous devices of the single-phase control of 1 said sequential, it is characterized in that concrete grammar is:
When startup threephase asynchronous M1 is just changeing it:
Q0.2 and Q0.3 provide signal, the adhesive of KM11 elder generation, and adhesive behind KM12 and the KM14, threephase asynchronous M1 is just transporting row;
When startup threephase asynchronous M1 makes its counter-rotating:
Q0.2 and Q0.4 provide signal, the adhesive of KM11 elder generation, adhesive behind KM13 and the KM14, the threephase asynchronous M1 operation of reversing;
When startup threephase asynchronous M2 is just changeing it:
Q0.5 and Q0.6 provide signal, the adhesive of KM2 elder generation, and adhesive behind KM22 and the KM24, threephase asynchronous M2 is just transporting row;
When startup threephase asynchronous M2 makes its counter-rotating:
Q0.5 and Q0.7 provide signal, the adhesive of KM21 elder generation, adhesive behind KM23 and the KM24, the threephase asynchronous M2 operation of reversing;
When startup threephase asynchronous M3 is just changeing it:
Q1.0 and Q1.1 provide signal, the adhesive of KM31 elder generation, and adhesive behind KM32 and the KM34, threephase asynchronous M3 is just transporting row;
When startup threephase asynchronous M3 makes its counter-rotating:
Q1.0 and Q1.2 provide signal, the adhesive of KM31 elder generation, adhesive behind KM33 and the KM34, the threephase asynchronous M3 operation of reversing.
7. the method for three threephase asynchronouses of the single-phase control of sequential according to claim 6 is characterized in that, realizes motor rotating interlocking, interlocking between motor and the motor through A.C. contactor main contact or auxiliary contact.
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| CN201210195183.8A CN102723903B (en) | 2012-06-13 | 2012-06-13 | Time sequence single-phase control three-phase asynchronous motor device and method thereof |
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| CN201210195183.8A CN102723903B (en) | 2012-06-13 | 2012-06-13 | Time sequence single-phase control three-phase asynchronous motor device and method thereof |
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| CN103576601A (en) * | 2013-11-04 | 2014-02-12 | 富蕴恒盛铍业有限责任公司 | Method for controlling automatic reciprocating of crystallizer trolley through programmable logic controller |
| CN103684116A (en) * | 2013-12-31 | 2014-03-26 | 江苏三上机电制造股份有限公司 | Conversion control system for adjusting motor power |
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| CN102723903B (en) | 2014-09-03 |
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