CN103346613B - The harbour method of supplying power to of electric overhead travelling crane back-up source - Google Patents
The harbour method of supplying power to of electric overhead travelling crane back-up source Download PDFInfo
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- CN103346613B CN103346613B CN201310310718.6A CN201310310718A CN103346613B CN 103346613 B CN103346613 B CN 103346613B CN 201310310718 A CN201310310718 A CN 201310310718A CN 103346613 B CN103346613 B CN 103346613B
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Abstract
The harbour method of supplying power to of electric overhead travelling crane back-up source, lifting motor and the walking motor of the technical scheme adopted to be wiping bus as main power source be bridge crane, and closed by the first switch of control inputs controller, be that lithium battery group is charged through DC/DC charging circuit; Measuring circuit is gathered the voltage on wiping bus in real time by input control device, when wiping bus and bridge crane disconnect, first switch of control inputs controller disconnects, the second switch of o controller closes, and lithium battery group is lifting motor and the walking motor of bridge crane.Technique effect is that the automatic gapless of wiping bus and standby power supply device switches, and improves maneuverability when operating efficiency and transition, saves electric energy, reduce production cost and later maintenance cost, improve output benefit.
Description
Technical field
The invention belongs to power supply unit control method technical field, relate to the method for supplying power to of a kind of method of supplying power to of back-up source, particularly harbour electric overhead travelling crane back-up source.
Background technology
Bridge crane is a kind of crane span structure type crane that crane span structure runs on aerial conveyor, also known as overhead traveling crane.The crane span structure of bridge crane along be laid on both sides overhead on track longitudinally run, trolley laterally runs along the track be laid on crane span structure, form the working range of a rectangle, just can make full use of the space handling container below crane span structure, not by the obstruction of ground installation.Cargo berth is the object realizing energy-saving and emission-reduction, reduce operation expense, bridge crane is driven by original oil and changes electric drive into, back-up source is utilized to provide electric energy to bridge crane, solve the problems such as the noise that thunders existed when oil drives is large, oil consumption is large, discharge amount of exhaust gas is large, operation expense is higher, but the method for supplying power to of back-up source selects the improper bridge crane that will make to waste time and energy when transition, reduces maneuverability when operating efficiency and transition.
Summary of the invention
The object of the invention is to solve the technical problem that existing bridge crane operating efficiency is lower, maneuverability is poor, in order to address this problem, we devise the method for supplying power to of harbour electric overhead travelling crane back-up source, achieve automatic gapless between wiping bus and standby power supply device to switch, alternately for bridge crane provides electric energy, improve maneuverability when operating efficiency and transition, save electric energy, reduce production cost and later maintenance cost, improve output benefit.
Concrete technical scheme of the present invention is: the method for supplying power to of harbour electric overhead travelling crane back-up source, jointly realize by main power source and standby power supply device, key is: described main power source is wiping bus, standby power supply device comprises input control device, DC/DC charging circuit, the measuring circuit with CPU, the o controller with second switch, lithium battery group with the first switch, on this basis, described method of supplying power to comprises:
A, wiping bus are lifting motor and the walking motor of bridge crane as main power source, and closed by the first switch of control inputs controller, be that lithium battery group is charged through DC/DC charging circuit;
B, measuring circuit are gathered the voltage on wiping bus in real time by input control device, when wiping bus and bridge crane disconnect, first switch of control inputs controller disconnects, the second switch of o controller closes, and lithium battery group is lifting motor and the walking motor of bridge crane.
The invention has the beneficial effects as follows: when main power source wiping bus provides electric energy for bridge crane, standby power supply device is in charged state, when main power source wiping bus and bridge crane disconnect, standby power supply device provides electric energy to make it work on to bridge crane, this automatic gapless switches, alternately for bridge crane provides the method for electric energy, improve maneuverability when operating efficiency and transition, save electric energy, reduce production cost and later maintenance cost, improve output benefit.Be provided with hand switch between lithium battery group and o controller, according to actual needs, can manually stop standby power supply device providing electric energy for bridge crane.Also battery management circuit is provided with between watch-dog and lithium battery group, utilize battery management circuit accurately can estimate the dump energy (SOC) of lithium battery group, ensure that dump energy maintains in rational scope, prevent lithium battery group from overcharging or overdischarge causes damage to lithium battery group, and the state-of-charge of lithium battery group can be shown at any time.Terminal voltage, temperature, the electric current of all right every block battery of dynamic monitoring of battery management circuit in charging, discharge process, and total voltage, prevent the super-charge super-discharge electricity of battery, the state of every batteries can be provided simultaneously in time, pick out problematic battery, keep the equilibrium between battery.Fuse can play the effect of protective circuit safe operation.Lithium battery group is one group of lithium iron phosphate dynamic battery, and cycle life can reach more than 2000 times, and the life-span can reach 7 ~ 8 years.First switch, second switch, the 4th switch are the professional high direct voltage circuit breaker with anti-overflow, overheated, short-circuit function, also installed Surge Protector additional, improve the security reliability of bridge crane at wiping bus input.
Accompanying drawing explanation
Fig. 1 is the theory diagram of the present invention when concrete use.
In accompanying drawing, 1 represents wiping bus, 2 represent input control device, 3 represent DC/DC charging circuit, 4 represent measuring circuit, 5 represent o controller, 6 represent lithium battery group, 7 represent watch-dog, 8 represent Surveillance center, 9-1 represents the first frequency converter, 9-2 represents the second frequency converter, 9-3 represents the 3rd frequency converter, 9-4 represents the 4th frequency converter, 10 representative lifting motor, 11-1 represents the first row and walks motor, 11-2 represents the second walking motor, 11-3 represents the third line and walks motor, 11-4 represents fourth line and walks motor, K1 represents the first switch, K2 represents second switch, K3 represents hand switch, K4 represents the 4th switch, FU represents fuse, BMS represents battery management circuit.
Embodiment
The harbour method of supplying power to of electric overhead travelling crane back-up source, jointly realize by main power source and standby power supply device, key is: described main power source is wiping bus 1, standby power supply device comprises input control device 2, DC/DC charging circuit 3, the measuring circuit 4 with CPU, the o controller 5 with second switch K2, lithium battery group 6 with the first K switch 1, on this basis, described method of supplying power to comprises:
A, wiping bus 1 are lifting motor 10 and the walking motor of bridge crane as main power source, and are closed by the first K switch 1 of control inputs controller 2, charged for lithium battery group 6 through DC/DC charging circuit 3;
B, measuring circuit 4 are gathered the voltage on wiping bus 1 in real time by input control device 2, when wiping bus 1 disconnects with bridge crane, first K switch 1 of control inputs controller 2 disconnects, the second switch K2 of o controller 5 closes, and lithium battery group 6 is lifting motor 10 and the walking motor of bridge crane.
Described standby power supply device also comprises watch-dog 7, method of supplying power to also comprises: the magnitude of voltage information that c, wiping bus 1 export with the connection status of bridge crane, the control output state of measuring circuit 4 and lithium battery group 6, all flow to watch-dog 7 by RS485 bus, be transferred to long-range Surveillance center 8 by watch-dog 7 by wired or wireless mode.
Battery management circuit BMS is also provided with between described watch-dog 7 and lithium battery group 6.
Hand switch K3 is also provided with between described lithium battery group 6 and o controller 5.
The constrained input of described standby power supply device is connected in parallel, and controls main power source and the automatic gapless alternation of stand-by power supply by input control device 2 and o controller 5.
The present invention is in the specific implementation: as shown in Figure 1, when main power source wiping bus 1 is for lifting motor 10 and walking motor energy supply, 4th K switch 4 closes, second switch K2 disconnects, hand switch K3 disconnects, first K switch 1 of input control device 2 closes, and charge for lithium battery group 6 through DC/DC charging circuit 3, DC/DC charging circuit 3 is connected with watch-dog 7 by RS485 bus.Measuring circuit 4 is gathered the voltage on wiping bus 1 in real time by input control device 2, and the voltage signal collected is delivered to input control device 2 and o controller 5 respectively, input control device 2 passes through RS485 bus-out signal to watch-dog 7, when wiping bus 1 disconnects with bridge crane, 4th K switch 4 disconnects, first K switch 1 of input control device 2 disconnects, measuring circuit 4 outputs signal to o controller 5 makes second switch K2 close, hand switch K3 also closes, lithium battery group 6 is lifting motor 10 and the walking motor of bridge crane.Lithium battery group 6 is one group of 220AH lithium iron phosphate dynamic battery, after each use time rating (15 minutes), adopt the 600X10 special charging module of 12 my companies to charge to lithium battery group 6, in 30 minutes, dump energy can be returned to more than 95%, safe and efficient.The dump energy of battery management circuit BMS Real-Time Monitoring lithium battery group 6 and state-of-charge, and by RS485 bus, data are flowed to watch-dog 7, be transferred to Surveillance center 8 by watch-dog 7 by wired or wireless mode, realize remote monitoring.Second switch K2 or the 4th K switch 4 is utilized to select the operating state of the first frequency converter 9-1, the second frequency converter 9-2, the 3rd frequency converter 9-3, the 4th frequency converter 9-4, and then control lifting motor 10, the first row and walk motor 11-1, second walking motor 11-2, the third line walks motor 11-3, fourth line walks the operating state of motor 11-4, to meet the different needs.Wiping bus 1 and standby power supply device can realize automatic gapless and switch, and alternately for bridge crane provides electric energy, meet the demand of bridge crane transition, substantially increase operating efficiency.
Claims (2)
1. the harbour method of supplying power to of electric overhead travelling crane back-up source, jointly realize by main power source and standby power supply device, it is characterized in that: described main power source is wiping bus (1), standby power supply device comprises input control device (2), DC/DC charging circuit (3), the measuring circuit (4) with CPU, the o controller (5) with second switch (K2), lithium battery group (6) with the first switch (K1), on this basis, described method of supplying power to comprises:
A, wiping bus (1) are lifting motor (10) and the walking motor of electric overhead travelling crane as main power source, and closed by first switch (K1) of control inputs controller (2), through DC/DC charging circuit (3) for lithium battery group (6) is charged;
B, measuring circuit (4) are gathered the voltage on wiping bus (1) in real time by input control device (2), when wiping bus (1) disconnects with bridge crane, first switch (K1) of control inputs controller (2) disconnects, the second switch (K2) of o controller (5) closes, the lifting motor (10) that lithium battery group (6) is bridge crane and walking motor
Described standby power supply device also comprises watch-dog (7), method of supplying power to also comprises: the magnitude of voltage information that wiping bus (1) and the connection status of bridge crane, the control output state of measuring circuit (4) and lithium battery group (6) export, all flow to watch-dog (7) by RS485 bus, long-range Surveillance center (8) is transferred to by wired or wireless mode by watch-dog (7)
Battery management circuit (BMS) is also provided with between described watch-dog (7) and lithium battery group (6),
Hand switch (K3) is also provided with between described lithium battery group (6) and o controller (5).
2. the method for supplying power to of harbour electric overhead travelling crane back-up source according to claim 1, is characterized in that: described standby power supply device controls main power source and the automatic gapless alternation of stand-by power supply by input control device (2) and o controller (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310310718.6A CN103346613B (en) | 2013-07-22 | 2013-07-22 | The harbour method of supplying power to of electric overhead travelling crane back-up source |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310310718.6A CN103346613B (en) | 2013-07-22 | 2013-07-22 | The harbour method of supplying power to of electric overhead travelling crane back-up source |
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| CN103346613A CN103346613A (en) | 2013-10-09 |
| CN103346613B true CN103346613B (en) | 2016-02-17 |
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| CN201310310718.6A Active CN103346613B (en) | 2013-07-22 | 2013-07-22 | The harbour method of supplying power to of electric overhead travelling crane back-up source |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP4004058B2 (en) * | 2000-02-07 | 2007-11-07 | 富士通株式会社 | Portable terminal power supply |
| CN101741132A (en) * | 2009-12-31 | 2010-06-16 | 哈尔滨巨容新能源有限公司 | Power supply device with field bridge bumpless switching and off-line transition for electric rubber-tyred container |
| CN201918740U (en) * | 2010-12-03 | 2011-08-03 | 雷富特节能科技（上海）有限公司 | Tyre crane turnaround control system |
| CN102815611A (en) * | 2012-08-14 | 2012-12-12 | 泰州市腾发建筑机械有限公司 | Crane power supply apparatus |
| CN202888938U (en) * | 2012-09-26 | 2013-04-17 | 天津港集装箱码头有限公司 | A super-battery-based dual-power power-converting system of a container yard gantry crane |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102904332A (en) * | 2012-10-24 | 2013-01-30 | 三维通信股份有限公司 | Backup battery managing and controlling method of monitoring circuit of repeater |
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2013
- 2013-07-22 CN CN201310310718.6A patent/CN103346613B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4004058B2 (en) * | 2000-02-07 | 2007-11-07 | 富士通株式会社 | Portable terminal power supply |
| CN101741132A (en) * | 2009-12-31 | 2010-06-16 | 哈尔滨巨容新能源有限公司 | Power supply device with field bridge bumpless switching and off-line transition for electric rubber-tyred container |
| CN201918740U (en) * | 2010-12-03 | 2011-08-03 | 雷富特节能科技（上海）有限公司 | Tyre crane turnaround control system |
| CN102815611A (en) * | 2012-08-14 | 2012-12-12 | 泰州市腾发建筑机械有限公司 | Crane power supply apparatus |
| CN202888938U (en) * | 2012-09-26 | 2013-04-17 | 天津港集装箱码头有限公司 | A super-battery-based dual-power power-converting system of a container yard gantry crane |
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| CN103346613A (en) | 2013-10-09 |
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