CN203014472U - Double-loop power supply system of movable gantry crane - Google Patents

Double-loop power supply system of movable gantry crane Download PDF

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Publication number
CN203014472U
CN203014472U CN 201220743188 CN201220743188U CN203014472U CN 203014472 U CN203014472 U CN 203014472U CN 201220743188 CN201220743188 CN 201220743188 CN 201220743188 U CN201220743188 U CN 201220743188U CN 203014472 U CN203014472 U CN 203014472U
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CN
China
Prior art keywords
power supply
power
input
output
wind
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Withdrawn - After Issue
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CN 201220743188
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Chinese (zh)
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杨枫楠
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杨枫楠
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Priority to CN 201220743188 priority Critical patent/CN203014472U/en
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Publication of CN203014472U publication Critical patent/CN203014472U/en
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Abstract

The utility model discloses a double-loop power supply system of a movable gantry crane. The double-loop power supply system of the movable gantry crane comprises a main power supply loop and an auxiliary power supply loop. The auxiliary power supply loop comprises vertical shaft wind power generators symmetrically arranged on a work platform of the gantry crane, and a solar cell panel is arranged at the top of a dolly machine room. The vertical shaft wind power generators and the power generation output end of the solar cell panel are connected with the power supply input end of a wind/photovoltaic complementary controller, and the output end of the wind/photovoltaic complementary controller is connected with an inverter, a power supply battery pack, the input end of an unloading unit and the charging end of a storage battery pack. The output end of the inverter is connected with the AC input end of a PLC of the gantry crane, an illumination supply socket, a signal supply socket and the power supply input end of a wind-velocity indicator, the output end of the power supply battery pack is connected with the DC input end of the PLC of the gantry crane and a signal lamp power supply socket separately, and the output end of the storage battery pack is connected with the power supply input end of the wind/photovoltaic complementary controller. The advantages of the utility model are that the complementarity is strong, and the stability is high.

Description

Movable type portal hoist double circuit power supply system
Technical field
The utility model relates to portable portal hoist, especially relates to the portable portal hoist double circuit power supply system of handling and the equipment such as open-close sluice gate, trash rack on the hydraulic structure of porous mouth.
Background technology
The high mountain gorge location is built in the large storehouse of the high dam of Hydraulic and Hydro-Power Engineering in more, and what possess electricity generate function also will select physical features drop large place, to utilize more water energy.Being installed on the portable portal hoist that the hydroelectric station is used for handling and open-close sluice gate, trash rack (is called for short: the top that the door machine) all is arranged in hydraulic structure.Along rail moving work, more its supply power mode adopts external power source to pass through the cover of one on machine cart cable drum device folding and unfolding cable and realizes mobile power supply the door machine at dam crest; Be no matter namely the electrical source of power of a machine or control power supply and all draw from same external power source.The door electrical-mechanical is controlled the PLC of employing control modes more, the antijamming capability of PLC control system power supply and redundant power supply technology are the keys of its reliability control system, particularly the power supply of PLC control system and electrical source of power are drawn from same external power source, are easy to be subject to AC network space electromagnetic interference and impacts such as harmonic wave that the inductive voltage and current, switching manipulation surge, equipment start-stop, the alternating current-direct current transmission device that produce cause.Therefore, the design of the power supply technical scheme of PLC control system plays a very important role in whole design of electrical system; If good, the reliable power-supply system of neither one, a whole set of PLC control system can't work.The power supply of the PLC control system of conventional door machine, usually adopt the multiple Anti-Jamming Technique measures such as step-down, isolation, rectification, to realize that the PLC control system is normal, steady operation, the door electrical-mechanical system that the enforcement of these technical measures makes is complicated, the transformer efficiency loss is large.In addition, the door machine only depends on extraneous unique supply line, can't realize the redundant power supply technology of PLC control system power supply, has reduced the reliability of equipment.
The door machine is arranged in the hydraulic structure highest point, and the hydroelectric station multidigit is easy to form natural air channel in area, valley, front and back, and wind resource is abundant; Simultaneously, the dam crest position is open, the hours of daylight is long, is that the hydroelectric station solar energy resources enriches the position the most.How taking full advantage of the residing geography of a machine and environmental advantage, is electric energy with renewable energy conversion such as solar energy, wind energies, with this current supply circuit that increases a machine, the problem that those skilled in the art are studied.
Summary of the invention
The utility model purpose is to provide a kind of portable portal hoist double circuit power supply system.
For achieving the above object, the utility model is taked following technical proposals:
Portable portal hoist double circuit power supply described in the utility model system, comprise portal hoist, supply power voltage required according to equipment different on portal hoist and kind are divided into the AC380V electrical source of power, AC220V controls power supply, AC36V safety power supply and DC24V power supply.Wherein, it is that the power supply of power and control is provided for portal hoist each mechanisms that AC380V electrical source of power, AC220V are controlled power supply, the high voltage source that employing is introduced by the outside provides by the method for cart cable drum device via box transformer pressure-reducing output on the door machine, namely as the main power circuit of portal hoist.The equipment of this part Power supply and mechanism have the large feature of power load, their power consumption the main power consumption of portal hoist.AC36V safety power supply, DC24V power supply and fraction AC220V are respectively maintenance power supply (safety socket), portable lighting power supply, PLC power supply, signal lamp power supply, the power supplies such as priming illumination, signal power supply and anemobiagraph power supply.This part auxiliary equipment has supply power voltage and kind is more, but it is less that electric power accounts for the proportion of the whole power consumption of portal hoist, simultaneously to features such as the stability of power supply, reliability, security requirement height, especially the PLC control system is the control core of whole portal hoist, this part auxiliary equipment adopts independent auxiliary power supply loop power supply, realizes that with this portal hoist double loops powers respectively, the purpose of isolation mutually.
Described auxiliary power supply loop comprises many vertical axis aerogenerators that are symmetricly set on the portal hoist workbench, at the dolly machine room top that is positioned on described workbench, solar panel is installed; The generating output of described many vertical axis aerogenerators, solar panel is connected with the wind/light complementation controller power input respectively; Described wind/light complementation controller output is connected with inverter, supplying cell group, off-load unit input, battery charging end respectively; Described inverter output end is connected with PLC controller ac input end, TV lighting power source socket, signal power supply socket, the anemobiagraph power input of portal hoist respectively; Described supplying cell group output is connected with PLC controller direct-flow input end, the signal lamp power supply socket of portal hoist respectively; Described batteries output is connected with the wind/light complementation controller power input.
Described vertical axis aerogenerator is four vertical axis direct drive permanent magnetic generators, is separately positioned on the corner location place of the workbench of portal hoist.
Described dolly machine room top is ramp structure.
The utility model advantage is mainly reflected in following several respects:
1, by regenerative resource, the PLC controller of portal hoist is realized power supply separately, moving with existing hydroelectric station the control loop power supply that portal hoist PLC power supply only depends on a case type transformer to draw by isolating transformer etc. compares, the large electrical source of power of realization and supply load with control power supply and separate fully, avoid harmonic wave, lightning surge and High-frequency Interference that load variations causes on the impact of PLC controller power source.
2, the Power supply mode of PLC controller adopts DC24V(to be provided by the supplying cell group) direct-furnish, be equal to uninterruption power source (UPS), and with AC220V(by inverter independently) associating power supply, realize the redundant power supply technology of PLC control system power supply.Compare with existing portal hoist PLC supply power mode, guarantee that the PLC control system the problems such as loss of data, equipment damage, system crash can not occur, has improved reliability greatly.
3, directly export the AC36V safety power supply by inverter, compare by the mode that the high voltage source step-down is converted to safe voltage with existing moving door electrical-mechanical system, electric power system is simple, overcomes the large defective of power loss that transformer pressure-reducing produces, and its reliability, fail safe are relatively high.
4, given full play to geography and the position advantage of the portable portal hoist operational environment in hydroelectric station, utilized the regenerative resources such as wind energy, solar energy, with strong complementarity, stability is high.
5, conform by force, according to portable portal hoist operating condition, plant capacity demand and field environmental condition, wind-driven generator and solar panel are carried out the flexible combination configuration, reach and satisfy under the power demand prerequisite, the economy of equipment is best.
Description of drawings
Fig. 1 is the schematic block circuit diagram of system described in the utility model.
Fig. 2 is the structural representation of system described in the utility model.
Fig. 3 is the plan structure schematic diagram of Fig. 2.
Embodiment
As shown in Figure 1, 2, 3, portable portal hoist double circuit power supply described in the utility model system comprises main current supply circuit 6 and auxiliary power supply loop 7; The high voltage source that described main current supply circuit 6 is introduced by the outside is connected with box type transformer armature winding on portal hoist by the cart cable drum device, described box type transformer secondary winding output two-way AC power, one the tunnel is 380 volts of AC power, and 220 volts of AC power are exported by isolating transformer in another road; Described auxiliary power supply loop 7 comprises four vertical axis direct drive permanent magnetic generators 3 that are symmetricly set on portal hoist 1 workbench 2 corner location places, the advantage that adopts 3 generatings of vertical axis direct drive permanent magnetic generator is that blade direction of inertia force and gravity in rotary course is constant all the time, be subjected to constant load action, compare with horizontal axis wind-driven generator, anti-fatigue life is long; Generally between 1.5-2, such slow-speed of revolution does not produce aerodynamic noise to the tip-speed ratio of vertical axis aerogenerator substantially, and muting function is good.Simultaneously, its impeller radius of gyration is little and wind loading rating is strong, has saved the space, has improved efficient, preferably being arranged on portable portal hoist 1; And vertical axis direct drive permanent magnetic generator 3 need not gear box and steering mechanism, regularly (general every half a year) the connection inspection of running gear is got final product, easy to maintenance; At dolly machine room 4 tops that are positioned on described workbench 2, solar panel 5 is installed, dolly machine room 4 tops are ramp structure, so not only take full advantage of the existing structure of portable portal hoist 1, save the space, and dolly machine room 4 roofs are positioned at the highest point of portable portal hoist 1, be the abundantest place of portable portal hoist 1 solar energy resources, so power conversion is relatively high.The generating output of described four vertical axis aerogenerators 3, solar panel 5 is connected with the wind/light complementation controller power input respectively; Described wind/light complementation controller output is connected with inverter, supplying cell group, off-load unit input, battery charging end respectively; Described inverter output end is connected with PLC controller ac input end, TV lighting power source socket, signal power supply socket, the anemobiagraph power input of portal hoist 1 respectively; Described supplying cell group output is connected with PLC controller direct-flow input end, the signal lamp power supply socket of portal hoist 1 respectively; Described batteries output is connected with the wind/light complementation controller power input.

Claims (3)

1. a portable portal hoist double circuit power supply system, comprise main current supply circuit (6) and auxiliary power supply loop (7); The high voltage source that described main current supply circuit (6) is introduced by the outside is connected with box type transformer armature winding on portal hoist by the cart cable drum device, described box type transformer secondary winding output two-way AC power, one the tunnel is 380 volts of AC power, and 220 volts of AC power are exported by isolating transformer in another road; It is characterized in that: described auxiliary power supply loop (7) comprises many vertical axis aerogenerators (3) that are symmetricly set on portal hoist (1) workbenches (2), at dolly machine room (4) top that is positioned on described workbench (2), solar panel (5) is installed; The generating output of described many vertical axis aerogenerators (3), solar panel (5) is connected with the wind/light complementation controller power input respectively; Described wind/light complementation controller output is connected with inverter, supplying cell group, off-load unit input, battery charging end respectively; Described inverter output end is connected with PLC controller ac input end, TV lighting power source socket, signal power supply socket, the anemobiagraph power input of portal hoist (1) respectively; Described supplying cell group output is connected with PLC controller direct-flow input end, the signal lamp power supply socket of portal hoist (1) respectively; Described batteries output is connected with the wind/light complementation controller power input.
2. portable portal hoist double circuit power supply according to claim 1 system, it is characterized in that: described vertical axis aerogenerator (3) is four vertical axis direct drive permanent magnetic generators, is separately positioned on the corner location place of the workbench (2) of portal hoist (1).
3. portable portal hoist double circuit power supply according to claim 1 and 2 system is characterized in that: described dolly machine room (4) top is ramp structure.
CN 201220743188 2012-12-29 2012-12-29 Double-loop power supply system of movable gantry crane Withdrawn - After Issue CN203014472U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220743188 CN203014472U (en) 2012-12-29 2012-12-29 Double-loop power supply system of movable gantry crane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220743188 CN203014472U (en) 2012-12-29 2012-12-29 Double-loop power supply system of movable gantry crane

Publications (1)

Publication Number Publication Date
CN203014472U true CN203014472U (en) 2013-06-19

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220743188 Withdrawn - After Issue CN203014472U (en) 2012-12-29 2012-12-29 Double-loop power supply system of movable gantry crane

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103066682A (en) * 2012-12-29 2013-04-24 杨枫楠 Mobile gantry type hoist double circuit power supply system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103066682A (en) * 2012-12-29 2013-04-24 杨枫楠 Mobile gantry type hoist double circuit power supply system
CN103066682B (en) * 2012-12-29 2015-06-17 杨枫楠 Mobile gantry type hoist double circuit power supply system

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Granted publication date: 20130619

Effective date of abandoning: 20150617