CN201584936U - Alternating current/direct current power plant for grain and oil machines - Google Patents
Alternating current/direct current power plant for grain and oil machines Download PDFInfo
- Publication number
- CN201584936U CN201584936U CN2009202288840U CN200920228884U CN201584936U CN 201584936 U CN201584936 U CN 201584936U CN 2009202288840 U CN2009202288840 U CN 2009202288840U CN 200920228884 U CN200920228884 U CN 200920228884U CN 201584936 U CN201584936 U CN 201584936U
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- direct current
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Abstract
An alternating current/direct current power plant for grain and oil machines relates to a grain and oil machine, in particular to an alternating current/direct current power plant matched with grain and oil machines. The power plant comprises a permanent magnet direct current brushless motor, a Hall sensor, a driver with a speed regulation button and a direct current interface, a machine distribution cabinet which is internally provided with a rectifier and an automatic selector switch and has 220 V alternating current interface and a 110 V direct current interface, and a 110 V storage battery. When an alternating current power source supplies power, 220 V single-phase alternating current is rectified to a 110 V direct-current power supply to drive the permanent magnet direct current brushless motor as the power for grain and oil machines, the power plant can automatically switch to the 110 V direct current to supply power when in power failure, and the grain and oil machines can be guaranteed to continue working with uninterrupted power. The alternating current/direct current power plant has the advantages of strong speed regulation functions, high precision and broad speed regulation scope, does not have excitation power or mechanical losses of friction caused between carbon brush slip rings, and is integrated by driving and speed-regulating functions, high efficiency, low consumption and 50% of energy conservation. The alternating current/direct current power plant can be widely popularized to be applicable to all grain and oil machines.
Description
Affiliated technical field
The utility model relates to a kind of grain and oil machinery, especially the matched AC/DC power set of grain and oil machinery.
Background technology
The matched power of domestic existing grain and oil machinery all is alternating current machine, mixes an electromagnetic adjustable speed motor again, makes equipment speed governing usefulness, and when grain and oil machinery was worked, these two motors all need be worked consume electric power simultaneously; And the grain and oil machinery industry is afraid of to have a power failure most, in case have a power failure, the grain oil product that does not only go out to fry tube will all be scrapped, also can being bonded in of parch oil product fried in the tube, make follow-up cleaning work difficult, will dismantle equipment earlier, product, the workload that will remove bonding again are very big.
According to retrieval, domestic do not have the patent application identical with the utility model as yet.
Summary of the invention
Deficiency at above-mentioned existence, the utility model provide a kind of have speed-regulating function, when not having a power failure, can become AC rectification direct current to use, during power failure, automatically be transformed on the DC power supply by automatic transfer switch, guarantee AC/DC power set power supply, that be applicable to grain and oil machinery by direct current.
The technical scheme that its technical problem that solves the utility model adopts is: as shown in the figure, the AC/DC power set that are used for grain and oil machinery comprise permanent-magnet brushless DC electric machine 1, Hall element 2, have the driver 3 of speed governing button 4 and direct current interface 5, in rectifier 7 and automatic transfer switch 8 are housed and make to have equipment power distribution cabinet 6, the 110V storage battery 9 of 220V alternating current interface 10 and 110V storage battery interface 13; Described permanent-magnet brushless DC electric machine 1 has speed-regulating function, and adjusting speed accuracy height, speed adjustable range are wide, and the efficient height does not have the mechanical loss that rubs between exciting power and carbon brush, the slip ring, is efficient energy-conserving product; Described Hall element 2 is position transducers, comprise Hall element and hall signal connection-peg 2.1, its Hall element is installed on the rotating shaft tail end of permanent-magnet brushless DC electric machine 1, detect the rotor three-phase position signalling by Hall element, signal is sent into driver 3 by hall signal connection-peg 2.1; Make to have speed governing button 4 and direct current interface 5 on the described driver 3; Rectifier 7 and automatic transfer switch 8 also are housed in the described equipment power distribution cabinet 6 and make to have 220V alternating current interface 10 and 110V storage battery interface 13; Permanent-magnet brushless DC electric machine 1 is fixed on the Hall element of rotating shaft tail end by Hall element 2, detect the three-phase position signal of rotor, by hall signal connection-peg 2.1 signal is sent into driver 3, analyze by the control circuit logical signal in the driver 3, signal feedback is arrived drive circuit, drive circuit is with the control signal shaping, after the amplification, make it produce the required three-phase square wave alternating current of the normal operation of power supply machine, draw three U, V, the W drive wire is given permanent-magnet brushless DC electric machine 1, on the other hand, the rotor position detection signal is sent into driver 3, obtain the pulse signal FB that a frequency is directly proportional with motor speed, FB is by forming speed feedback signal after the simple resistance-capacitance network filtering in the control circuit, utilize error amplifier can constitute a simple P adjuster, realize the closed-loop control of motor speed, by speed governing button 4 real-time regulated motor speeds; These power set can be used the also available 110V DC power supply of 220V AC power, when external 220V alternating current enters power distribution cabinet 6 by the alternating current interface 10 of power distribution cabinet 6, be rectified into the 110V direct current by rectifier 7, power output end by power distribution cabinet 6 is powered to the direct current interface 5 of driver 3, permanent-magnet brushless DC electric machine 1 work, and driving grain and oil machinery work, also charge to storage battery 9 simultaneously by storage battery interface 13, in case the power supply failed, the automatic transfer switch of adorning in the power distribution cabinet 68 will detect alternating current and cut off the power supply, automatically switch to storage battery 9 immediately, the direct current of storage battery 9 is powered to the direct current interface 5 of driver 3, guarantee that permanent-magnet brushless DC electric machine 1 drives grain and oil machinery and works on.
The beneficial effects of the utility model are: it is wide to have a speed-regulating function, adjusting speed accuracy height, speed adjustable range, the efficient height, does not have the mechanical loss that rubs between exciting power and the carbon brush slip-ring, and a machine collection drives and speed governing two functions, efficient, low consumption, energy-conservation 50%; AC/DC, when AC-powered, the 220V single-phase alternating current can be rectified into the driving power that 110V dc powered permanent-magnet brushless DC electric machine is made grain and oil machinery, when having a power failure, drive permanent-magnet brushless DC electric machine with the 110V battery feed, guarantee that grain and oil machinery works on, not only guaranteed product quality, improve output, but also energy-saving and cost-reducing.Can extensively promote the use in all grain and oil machineries.
Description of drawings
Accompanying drawing is an overall structure schematic diagram of the present utility model.
The utility model is described in further detail to utilize drawings and Examples.
Embodiment
The utility model is the AC/DC power set that are used for grain and oil machinery.With permanent-magnet brushless DC electric machine 1, Hall element signal connection-peg 2.1, have speed governing button 4 and direct current interface 5 driver 3, in rectifier 7 and automatic change-over 8 is housed and does and have equipment power distribution cabinet 6 usefulness power lines 11, the drive wire 12 of 220V alternating current interface 10 and 110V storage battery interface 13 to be connected by the overall structure schematic diagram.
When the 220V ac power supply, alternating current interface 10 by power distribution cabinet 6 enters power distribution cabinet 6, be rectified into the 110V direct current by rectifier 7, power to the direct current interface 5 of driver 3 by power line 11 by the power output end of power distribution cabinet 6 again, driver 3 is by three U, V, W drive wire 12, make permanent-magnet brushless DC electric machine 1 work, drive grain and oil machinery work, also charge to storage battery 9 simultaneously by storage battery interface 13.In case when having a power failure, the automatic transfer switch of adorning in the power distribution cabinet 68 will detect alternating current automatically and cut off the power supply, automatically switch to storage battery 9 immediately, the direct current of storage battery 9 is powered to the direct current interface 5 of driver 3, make permanent-magnet brushless DC electric machine 1 work by driver 3 drivings, guarantee that grain and oil machinery can work under power-off condition.
Simultaneously permanent-magnet brushless DC electric machine 1 by Hall element 2 be fixed on the rotor tail end Hall element, detect the three-phase position signal of rotor, by hall signal connection-peg 2.1 signal is sent into again and obtained the pulse signal FB that a frequency is directly proportional with motor speed in the driver 3, FB is by forming speed feedback signal after the simple resistance-capacitance network filtering in the control circuit, utilize error amplifier can constitute a simple P adjuster, realize the closed-loop control of motor speed, but, satisfy the speed governing demand of grain and oil machinery by speed governing button 4 real-time regulated motor speeds.
Claims (2)
1. be used for the AC/DC power set of grain and oil machinery, it is characterized in that: these power set comprise permanent-magnet brushless DC electric machine (1), Hall element (2), have the driver (3) of speed governing button (4) and direct current interface (5), in rectifier (7) and automatic transfer switch (8) are housed and make to have equipment power distribution cabinet (6), the 110V storage battery (9) of 220V alternating current interface (10) and 110V storage battery interface (13); Described permanent-magnet brushless DC electric machine (1) has speed-regulating function; Described Hall element (2) is a position transducer, comprise that Hall element and its Hall element of hall signal connection-peg (2.1) are installed on the rotating shaft tail end of permanent-magnet brushless DC electric machine (1), detect the rotor three-phase position signalling by Hall element, signal is sent into driver (3) by hall signal connection-peg (2.1); Described driver (3) is gone up and is made to have speed governing button (4) and direct current interface (5); Rectifier (7) and automatic transfer switch (8) also are housed in the described equipment power distribution cabinet (6) and make to have 220V alternating current interface (10) and 110V storage battery interface (13); Permanent-magnet brushless DC electric machine (1) is fixed on the Hall element of rotating shaft tail end by Hall element (2), detect the three-phase position signal of rotor, by hall signal connection-peg (2.1) signal is sent into driver (3), analyze by the control circuit logical signal in the driver (3), signal feedback is arrived drive circuit, drive circuit is with the control signal shaping, after the amplification, make it produce the required three-phase square wave alternating current of the normal operation of power supply machine, draw three U, V, the W drive wire is given permanent-magnet brushless DC electric machine (1), on the other hand, the rotor position detection signal is sent into driver (3), obtain the pulse signal FB that a frequency is directly proportional with motor speed, FB is by forming speed feedback signal after the simple resistance-capacitance network filtering in the control circuit, utilize error amplifier can constitute a simple P adjuster, realize the closed-loop control of motor speed, by speed governing button (4) real-time regulated motor speed.
2. the AC/DC power set that are used for grain and oil machinery according to claim 1, it is characterized in that: these power set can be used the 220V AC power, also available 110V DC power supply, when external 220V alternating current enters power distribution cabinet (6) by the alternating current interface (10) of power distribution cabinet (6), be rectified into the 110V direct current by rectifier (7), power output end by power distribution cabinet (6) is powered to the direct current interface (5) of driver (3), make permanent-magnet brushless DC electric machine (1) work, and driving grain and oil machinery work, also charge to storage battery (9) simultaneously by storage battery interface (13), in case the power supply failed, the automatic transfer switch of adorning in the power distribution cabinet (6) (8) will detect alternating current and cut off the power supply, automatically switch to storage battery (9) immediately, the direct current of storage battery (9) is powered to the direct current interface (5) of driver (3), guarantee that permanent-magnet brushless DC electric machine (1) drives grain and oil machinery and works on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202288840U CN201584936U (en) | 2009-10-19 | 2009-10-19 | Alternating current/direct current power plant for grain and oil machines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202288840U CN201584936U (en) | 2009-10-19 | 2009-10-19 | Alternating current/direct current power plant for grain and oil machines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201584936U true CN201584936U (en) | 2010-09-15 |
Family
ID=42726950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202288840U Expired - Fee Related CN201584936U (en) | 2009-10-19 | 2009-10-19 | Alternating current/direct current power plant for grain and oil machines |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201584936U (en) |
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2009
- 2009-10-19 CN CN2009202288840U patent/CN201584936U/en not_active Expired - Fee Related
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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: 20100915 Termination date: 20171019 |