CN203326677U - Emergency power supply device of electric bridge crane for wharf - Google Patents
Emergency power supply device of electric bridge crane for wharf Download PDFInfo
- Publication number
- CN203326677U CN203326677U CN2013204367843U CN201320436784U CN203326677U CN 203326677 U CN203326677 U CN 203326677U CN 2013204367843 U CN2013204367843 U CN 2013204367843U CN 201320436784 U CN201320436784 U CN 201320436784U CN 203326677 U CN203326677 U CN 203326677U
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- China
- Prior art keywords
- power supply
- lithium battery
- supply device
- switch
- controller
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
An emergency power supply device of an electric bridge crane for a wharf. The technical scheme of the utility model is that: the emergency power supply device comprises an input controller with a first switch, a DC / DC charging circuit, a measuring circuit with a CPU, an output controller with a second switch, and a lithium battery pack; the input end of the input controller is connected with a power supply, and the output end of the output controller is respectively connected with the DC / DC charging circuit and the measuring circuit; the output end of the DC / DC charging circuit is connected with the lithium battery pack through a fuse; the measuring circuit outputs a control signal respectively to the input controller and the output controller; and the lithium battery pack is connected with a lifting motor and a travel motor of the bridge crane through the output controller with the second switch. The beneficial effects are that: the service life lasts up to 7 to 8 years; and the emergency power supply device of the electric bridge crane for the wharf is high in charging efficiency, great in safety and reliability, improves the working efficiency and the flexibility in the transition, reduces the production cost and the maintenance cost, and improves the production efficiency.
Description
Technical field
The utility model belongs to electrical equipment technical field, relates to a kind of standby power supply device, particularly the standby power supply device of electric overhead travelling crane for harbour.
Background technology
Bridge crane is a kind of crane span structure type crane that crane span structure moves on aerial conveyor, claims again overhead traveling crane.The crane span structure of bridge crane vertically moves along being laid on the track of both sides on overhead, trolley laterally moves along the track be laid on crane span structure, form the working range of a rectangle, just can take full advantage of the space handling container below crane span structure, be not subject to the obstruction of ground installation.Cargo berth is the purpose that realizes energy-saving and emission-reduction, reduces operation expense, bridge crane is driven and changed into the electricity driving by original oil, utilize standby power supply device to provide electric energy to bridge crane, the problems such as the noise that thunders existed while having solved oily the driving is large, oil consumption is large, discharge amount of exhaust gas is large, operation expense is higher, but standby power supply device selects the improper bridge crane that will make to waste time and energy when transition, the maneuverability while having reduced operating efficiency and transition.
Summary of the invention
The purpose of this utility model is lower in order to solve existing bridge crane operating efficiency, be subject to the restriction of wiping bus during transition and the poor technical problem of maneuverability, in order to address this problem, we have designed the standby power supply device of harbour with electric overhead travelling crane, life-span can reach 7～8 years, after using time rating at every turn, can in 30 minutes, dump energy (SOC) be returned to more than 95%, safe and efficient, maneuverability while having improved operating efficiency and transition, saved electric energy, production cost and later maintenance cost have been reduced, improved output benefit.
The concrete technical scheme that the utility model adopts is: the standby power supply device of electric overhead travelling crane for harbour, lifting motor with bridge crane, the walking motor connects, key is: described standby power supply device comprises the input control device with the first switch, the DC/DC charging circuit, measuring circuit with CPU, o controller with second switch, the lithium battery group, input control device input is connected with power supply, output connects respectively DC/DC charging circuit and measuring circuit, DC/DC charging circuit output is connected with the lithium battery group by fuse, measuring circuit output control signal is respectively to input control device and o controller, the lithium battery group is by the lifting motor of the o controller with second switch and bridge crane, the walking motor connects.
The beneficial effects of the utility model are: the lithium battery group is one group of 220AH lithium iron phosphate dynamic battery, cycle life can reach more than 2000 times, life-span can reach 7～8 years, use time rating (after 15 minutes at every turn, adopt the 600X10 special charging module of 12 my companies to charge to the lithium battery group, can in 30 minutes, dump energy be returned to more than 95%, safe and efficient, maneuverability while having improved operating efficiency and transition, saved electric energy, reduce production cost and later maintenance cost, improved output benefit.Also be provided with battery management circuit between watch-dog and lithium battery group, utilize battery management circuit can accurately estimate the dump energy of lithium battery group, guarantee that dump energy maintains in rational scope, prevent that the lithium battery group from overcharging or overdischarge causes damage to the lithium battery group, and can show at any time the state-of-charge of lithium battery group.Terminal voltage, temperature, the electric current of all right every battery of dynamic monitoring of battery management circuit in charging, discharge process, and total voltage, prevent the super-charge super-discharge electricity of battery, can provide in time the state of every batteries simultaneously, pick out problematic battery, keep the equilibrium between battery.Fuse can play the effect of protective circuit safe operation.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.The first switch, second switch be there is anti-overflow, the professional high direct voltage circuit breaker of overheated, short-circuit function, improved the security reliability of bridge crane.
The accompanying drawing explanation
Fig. 1 is theory diagram of the present utility model.
In accompanying drawing, 1 represents the lithium battery group, and 2 represent the input control device, and 3 represent the DC/DC charging circuit, 4 represent measuring circuit, and 5 represent o controller, and K1 represents the first switch, and K2 represents second switch, K3 represents hand switch, and FU represents fuse, and BMS represents battery management circuit.
Embodiment
The standby power supply device of electric overhead travelling crane for harbour, lifting motor with bridge crane, the walking motor connects, key is: described standby power supply device comprises the input control device 2 with the first K switch 1, DC/DC charging circuit 3, measuring circuit 4 with CPU, o controller 5 with second switch K2, lithium battery group 1, input control device 2 inputs are connected with power supply, output connects respectively DC/DC charging circuit 3 and measuring circuit 4, DC/DC charging circuit 3 outputs are connected with lithium battery group 1 by fuse FU, measuring circuit 4 output control signals are respectively to input control device 2 and o controller 5, lithium battery group 1 is the lifting motor with bridge crane by the o controller 5 with second switch K2, the walking motor connects.
Also be connected with battery management circuit BMS on lithium battery group 1.
Also be provided with hand switch K3 between described lithium battery group 1 and o controller 5.
The course of work of the present utility model is: when standby power supply device during in charged state, first K switch 1 is closed with power supply, is connected, and second switch K2 disconnects, hand switch K3 disconnection, and 2 conductings of input control device, charge to lithium battery group 1 by DC/DC charging circuit 3.When utilizing standby power supply device to provide electric energy for bridge crane, the first K switch 1 disconnects, second switch K2 closure, and hand switch K3 closure, o controller 5 conductings, DC/DC charging circuit 3 stops output, and lithium battery group 1 provides electric energy for bridge crane.The operating state of measuring circuit 4 Real-Time Monitoring input control devices 2 and DC/DC charging circuit 3, and output signal is respectively to input control device 2 and o controller 5.Dump energy and the state-of-charge of battery management circuit BMS Real-Time Monitoring lithium battery group 1, prevent that lithium battery group 1 from overcharging or overdischarge causes damage to lithium battery group 1.
Claims (3)
1. the standby power supply device of electric overhead travelling crane for harbour, lifting motor with bridge crane, the walking motor connects, it is characterized in that: described standby power supply device comprises the input control device (2) with the first switch (K1), DC/DC charging circuit (3), measuring circuit (4) with CPU, o controller (5) with second switch (K2), lithium battery group (1), input control device (2) input is connected with power supply, output connects respectively DC/DC charging circuit (3) and measuring circuit (4), DC/DC charging circuit (3) output is connected with lithium battery group (1) by fuse (FU), measuring circuit (4) output control signal is respectively to input control device (2) and o controller (5), lithium battery group (1) is the lifting motor with bridge crane by the o controller with second switch (K2) (5), the walking motor connects.
2. the standby power supply device of electric overhead travelling crane for harbour according to claim 1, is characterized in that: also be connected with battery management circuit (BMS) on lithium battery group (1).
3. the standby power supply device of electric overhead travelling crane for harbour according to claim 1, is characterized in that: between described lithium battery group (1) and o controller (5), also be provided with hand switch (K3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204367843U CN203326677U (en) | 2013-07-22 | 2013-07-22 | Emergency power supply device of electric bridge crane for wharf |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204367843U CN203326677U (en) | 2013-07-22 | 2013-07-22 | Emergency power supply device of electric bridge crane for wharf |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203326677U true CN203326677U (en) | 2013-12-04 |
Family
ID=49665971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013204367843U Expired - Lifetime CN203326677U (en) | 2013-07-22 | 2013-07-22 | Emergency power supply device of electric bridge crane for wharf |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203326677U (en) |
-
2013
- 2013-07-22 CN CN2013204367843U patent/CN203326677U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131204 |