CN209516726U - A kind of mobile energy storage power supply system for automobile - Google Patents
A kind of mobile energy storage power supply system for automobile Download PDFInfo
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- CN209516726U CN209516726U CN201920103619.3U CN201920103619U CN209516726U CN 209516726 U CN209516726 U CN 209516726U CN 201920103619 U CN201920103619 U CN 201920103619U CN 209516726 U CN209516726 U CN 209516726U
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- power supply
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Abstract
The utility model discloses a kind of mobile energy storage power supply system for automobile, comprising: energy-storage battery group, energy-storage battery group connect inverter；First double power supply automatic transfer switch, the first double power supply automatic transfer switch have first input end A, first input end B, the first output end, first input end A connection inverter, first input end B connection uninterruptible power supply, the first output end connection disconnect switch；Second double power supply automatic transfer switch, the second double power supply automatic transfer switch have the second input terminal A, the second input terminal B, second output terminal, the second input terminal A connection disconnect switch, the second input terminal B connection power bus, second output terminal connection load.Three electric supply systems can be the key equipment of mobile energy storage vehicle, and reliable power supply is provided under different scenes, is provided simultaneously with black starting-up function.
Description
Technical field
The utility model relates to energy device fields, and in particular to a kind of mobile energy storage power supply system for automobile.
Background technique
Mobile power vehicle is the vehicle moving that designs to cope with the power supplies such as various disasters, emergency, working site
Power station, equipment has higher reliability requirement in system.The equipment such as BMS, PCS in Nowadays, Container shipping energy-storage system are mostly to adopt
It is powered with power distribution network.Mobile power vehicle based on battery energy storage system is closed when not yet accessing power grid or feeder ear failure
Button apparatus is unable to complete black starting-up.
Utility model content
In view of the above technical problems, the utility model provides a kind of mobile energy storage power supply system for automobile, is EMS, BMS, PCS
Equal key equipments power supply, can not only make the key equipment of accumulation power supply vehicle close normal starting and work in Emergency electric field, also
It is able to achieve black starting-up when alternating current missing, improves the reliability of such equipment power supply system.
In order to solve the above technical problems, the technical solution that the utility model uses is: a kind of mobile automobile-used confession of energy storage
Electric system, comprising:
Energy-storage battery group, energy-storage battery group connect inverter；
First double power supply automatic transfer switch, the first double power supply automatic transfer switch have first input end A, the first input
Hold B, the first output end, first input end A connection inverter, first input end B connection uninterruptible power supply, the connection of the first output end
Disconnect switch；
Second double power supply automatic transfer switch, the second double power supply automatic transfer switch have the second input terminal A, the second input
Hold B, second output terminal, the second input terminal A connection disconnect switch, the second input terminal B connection power bus, second output terminal connection
Load.
On the basis of above scheme, preferably, inverter is the unidirectional inverter of DC/AC.
On the basis of above scheme, preferably, power bus is AC220V, 50HZ.
The beneficial effects of the utility model are:
1, three electric supply systems can be the key equipment of mobile energy storage vehicle, and reliable power supply is provided under different scenes,
It is provided simultaneously with black starting-up function；
2, three electric supply systems are improving power supply reliability and flexibility simultaneously, do not influence system safety operation and excessive
Increase cost.
Detailed description of the invention
Fig. 1 power supply system structural schematic diagram
In figure: 1- power bus；The second double power supply automatic transfer switch of 2-；3- key equipment supply network；4- open circuit is opened
It closes；The first double power supply automatic transfer switch of 5-；6- uninterruptible power supply；7- inverter；8- battery pack.
Specific embodiment
The utility model is described in further detail combined with specific embodiments below.
The design scheme of key equipment power supply system is described with reference to the drawings, structure is shown in Fig. 1, mainly includes power bus 1, the
Two double power supply automatic transfer switch 2, key equipment supply network 3, disconnect switch 4, the first double power supply automatic transfer switch 5, no
Uninterruptible power 6, inverter 7 and energy-storage battery group 8.Power supply system structure is simple, at low cost, increases mobile power vehicle black starting-up
Function.
Wherein, energy-storage battery group 8 and inverter 7 constitute energy-storage battery group power supply system；Power bus 1, energy-storage battery
Group power supply system and uninterruptible power supply 6 have collectively constituted key equipment power supply system.
Wherein, two inputs that energy-storage battery group power supply system is respectively connected to the first double power supply automatic transfer switch 5 with 6
End；5 output end is respectively connected to 2 two input terminals with 1 again；2 output end accesses 3 input terminal of key equipment supply network.
Power bus 1 provide AC220V, 50Hz alternating current, for energy storage car all devices power, in addition to include EMS,
The critical loads such as BMS, PCS further include such as on-board air conditioner, illuminate other loads.1 input terminal of power bus accesses mobile energy storage
Vehicle charging interface exchanges side with emergency service current transformer, and relatively high power input is obtained from charger, generator or current transformer,
To meet vehicle equipment power demand.
The output end of power bus 1 and the first double power supply automatic transfer switch 5 is respectively connected to the second double power-supply automatic transferring
Two input terminals of switch 2, collectively constitute dual power supply.It is normal that power bus 1, which is arranged, in second double power supply automatic transfer switch 2
With power supply, the first double power supply automatic transfer switch 5 is backup power source, and two-way power supply can be made to be automatically switched.At first pair
In the case where 5 normal power supply of power automatic transfer switch, when 1 catastrophic failure of power bus or power failure, pass through the second dual power supply
Automatic change-over 2 is automatically engaged onto the power supply of the first double power supply automatic transfer switch 5；It is cut automatically after power bus 1 restores
Gain power bus 1.Double power supply automatic transfer switch 2 can also be arbitrarily switched between the two with manual mode under special circumstances.
Energy-storage battery group power supply system, is made of energy-storage battery group 8 and inverter 7, and inverter 7 is the unidirectional inversion of DC/AC
Device.Energy-storage battery group 8 provides high voltage direct current, is AC220V, 50Hz alternating current, access first by the unidirectional inversion of inverter 7
After double power supply automatic transfer switch 5 with 6 groups of backup power supplies in pairs of uninterruptible power supply.
It is common power supply that uninterruptible power supply 6, which is arranged, in first double power supply automatic transfer switch 5, and energy-storage battery group power supply system is
Backup power source can be such that two-way power supply is automatically switched.In the case where energy-storage battery group power supply system normal power supply, when not
When 6 catastrophic failure of uninterruptible power or electricity exhaust shutdown, battery pack is automatically engaged by the first double power supply automatic transfer switch 5
In power supply system；Uninterruptible power supply 6 is automatically switched back into after the recovery of uninterruptible power supply 6.Double power supply automatic transfer switch 5 can also be
It is arbitrarily switched between the two with manual mode in special circumstances.
Uninterruptible power supply 6 is that battery is connected with host, is converted into direct current by modules such as host inverters
The system equipment of alternating current.Uninterruptible power supply is made of five parts: the power supply input circuits such as main road, bypass, battery, rectifier,
Inverter, inversion and bypass output switching circuit and battery.When ac bus is normal, direct current major loop has direct current
Pressure supplies inverter, exports stable alternating voltage, at the same ac bus alternating current it is rectified after charge to battery.When any
When ac bus is under-voltage or unexpected power down, then switched from battery pack by isolating diode to DC loop power transmission.From exchange
Bussed supply is powered no switching time to battery.When the energy content of battery will exhaust, uninterruptible power supply issues sound-light alarm, and
Stop inverter in battery discharge lower-limit point to work and alarm of yowling.There are also overload protection functions for uninterruptible power supply, super when occurring
When load, bypass condition, and the auto-returned when loading normal are jumped to.When serious overload occurs, uninterruptible power supply stops immediately
Inverter exports and jumps to bypass condition, and input air switch in front may also trip at this time.After eliminating the fault, as long as closing out
It closes, turns back on and start to resume work.
First double power supply automatic transfer switch 2 and the first double power supply automatic transfer switch 5 all have electrical interlocks and machinery
Doubly-linked lock, it is ensured that two-way power supply cannot power simultaneously；Such switch also has structure is simple and convenient to operate, the service life is long etc. simultaneously
Advantage improves the reliability of equipment power supply.
It is provided with disconnect switch 4 between first double power supply automatic transfer switch 5 and the second double power supply automatic transfer switch 2,
When mobile energy storage vehicle is in an off state under the inoperatives occasion such as parking, transport, it is ensured that critical loads do not start, and improve system
Safety.
Implementation process:
The power supply system course of work is illustrated to move energy storage vehicle different working condition.
(1) it charges normal
It, if charging interface is first inserted into charging gun, powers when mobile energy storage vehicle prepares charging in mobile energy storage vehicle parking lot
Bus 1 obtains AC220V, 50Hz alternating current, and the second double power supply automatic transfer switch 2 is in common power supply power supply state, and key is negative
It carries power supply and carrys out self-powered bus 1.
If being not inserted into charging gun when charging, it is first closed disconnect switch 4, then the second double power supply automatic transfer switch 2 is in standby
With power supply power supply state, critical loads power supply comes from the second double power supply automatic transfer switch 5.Double power supply automatic transfer switch at this time
5 are in the common power supply state of uninterruptible power supply 6.If 6 electricity of uninterruptible power supply exhausts or failure, double power supply automatic transfer switch
5 automatically switch to the power supply of energy-storage battery group, until uninterruptible power supply switches back into uninterruptible power supply power supply state after restoring normal.
After being inserted into charging gun, the second double power supply automatic transfer switch 2 restores to common power supply power supply state.
(2) emergency service
Mobile energy storage vehicle is first closed disconnect switch 4, then at the second double power supply automatic transfer switch 2 in emergency service place
In backup power source power supply state, critical loads power supply comes from the second double power supply automatic transfer switch 5.Double power-supply automatic transferring at this time
Switch 5 is in the common power supply state of uninterruptible power supply 6.If 6 electricity of uninterruptible power supply exhausts or failure, double power-supply automatic transferring
Switch 5 automatically switches to the power supply of energy-storage battery group, until uninterruptible power supply switches back into uninterruptible power supply power supply shape after restoring normal
State.
After accessing emergency service network, the second double power supply automatic transfer switch 2 restores to the common power supply of power bus 1 to supply
Electricity condition, power bus 1 take electricity from power distribution network.If starting emergency service, power bus 1 is from the exchange side of current transformer output end
Take electricity.
(3) mobile energy storage vehicle traveling and parked state
Under the inoperatives occasion such as mobile energy storage vehicle traveling and parking, disconnect switch 4 is in an off state, it is ensured that is disconnected and being closed
Key load supplying improves security of system.
(4) the key equipment inspecting state of mobile energy storage vehicle
In the key equipment inspecting state of mobile energy storage vehicle, disconnect switch 4 is in closed state, and the second dual power supply is from turn
Change switch 2 and the first double power supply automatic transfer switch becomes manually controlling from automatically controlling, and is selected as critical loads power supply, with
Convenient for overhaul of the equipments, while ensuring the safety of operator and equipment.
In above-mentioned scheme:
Key equipment power supply system is collectively constituted by three tunnels power supply source, including power bus, energy-storage battery group power supply system
System and uninterruptible power supply, make system have black starting-up function, while structure is simple, at low cost.
Wherein, energy-storage battery group power supply system is mainly made of energy-storage battery group and the unidirectional inverter of DC/AC；Energy-storage battery
Group power supply system and uninterruptible power supply are respectively connected to two input terminals of the first double power supply automatic transfer switch；First dual power supply is certainly
The output end of dynamic change-over switch is respectively connected to two input terminals of the second double power supply automatic transfer switch with power bus again；Second
The output end of double power supply automatic transfer switch accesses key equipment supply network input terminal.
Power bus provide AC220V, 50Hz alternating current, for energy storage car all devices power, in addition to include EMS, BMS,
The critical loads such as PCS further include such as on-board air conditioner, illuminate other loads.Power bus input terminal accesses the charging of energy storage vehicle
Mouth and PCS current transformer output interface obtain relatively high power input from charger, generator or PCS, to meet vehicle equipment use
Electricity demanding.
The output end of power bus and the first double power supply automatic transfer switch is respectively connected to the second double power-supply automatic transferring and opens
Two input terminals closed, collectively constitute dual power supply.It is common electricity that power bus, which is arranged, in second double power supply automatic transfer switch
Source, the first double power supply automatic transfer switch are backup power source, and two-way power supply can be made to be automatically switched.The first dual power supply from
In the case where dynamic change-over switch power supply system normal power supply, when power bus catastrophic failure or power failure, pass through the second dual power supply
Automatic change-over is automatically engaged onto the power supply of the first double power supply automatic transfer switch；It is automatically switched back into after power bus recovery
Power bus.The double power supply automatic transfer switch can also be arbitrarily switched between the two with manual mode under special circumstances.
Energy-storage battery group power supply system is mainly made of energy-storage battery group and the unidirectional inverter of DC/AC.Energy-storage battery group mentions
For high voltage direct current, AC220V alternating current is converted to by the unidirectional inverter of DC/AC, accesses the first double power supply automatic transfer switch
Afterwards with uninterruptible power supply group backup power supply in pairs.
It is common power supply that uninterruptible power supply, which is arranged, in first double power supply automatic transfer switch, and energy-storage battery group power supply system is standby
With power supply, two-way power supply can be made to be automatically switched.In the case where energy-storage battery group power supply system normal power supply, between not
When power-off source catastrophic failure or electricity exhaust shutdown, automatically engaged by the first double power supply automatic transfer switch battery-powered
In system；Uninterruptible power supply is automatically switched back into after uninterruptible power supply recovery.The double power supply automatic transfer switch can also be special
In the case of arbitrarily switched between the two with manual mode.
Uninterruptible power supply is that battery is connected with host, converts direct current by modules such as host inverters and strikes a bargain
The system equipment of galvanic electricity.Uninterruptible power supply is made of five parts: the power supply input circuits such as main road, bypass, battery, rectifier are inverse
Become device, inversion and bypass output switching circuit and battery.When ac bus is normal, direct current major loop has DC voltage,
Supply inverter, export stable alternating voltage, at the same ac bus alternating current it is rectified after charge to battery.When whenever
Ac bus is under-voltage or unexpected power down, then is switched from battery pack by isolating diode to DC loop power transmission.From ac bus
It powers to battery and powers no switching time.When the energy content of battery will exhaust, uninterruptible power supply issues sound-light alarm, and in electricity
Tank discharge lower-limit point stopping inverter working and alarm of yowling.There are also overload protection functions for uninterruptible power supply, when overloading,
Jump to bypass condition, and the auto-returned when loading normal.When serious overload occurs, uninterruptible power supply stops inverter immediately
Bypass condition is exported and jumps to, input air switch in front may also trip at this time.After eliminating the fault, as long as closing a switch, weight
New booting starts to resume work.
There is double power supply automatic transfer switch electrical interlocks and mechanical doubly-linked to lock, it is ensured that two-way power supply cannot power simultaneously；
Simultaneously double power supply automatic transfer switch also have many advantages, such as structure be simple and convenient to operate, the service life it is long, improve equipment power supply spirit
Activity and reliability.
It is provided with disconnect switch between first double power supply automatic transfer switch and the second double power supply automatic transfer switch, works as shifting
Dynamic energy storage vehicle is in an off state under the inoperatives occasion such as parking, transport, it is ensured that critical loads do not start, and improve system safety
Property.
In the above technical solution, have the following technical effects.
1, critical loads power supply system is three power bus, battery energy storage system and uninterruptible power supply power supply groups
At making system have black starting-up function, improve critical loads power supply reliability, structure is simple, at low cost.
2, automatically switch power supply using double power supply automatic transfer switch, increase mobile energy storage vehicle key equipment power supply
Flexibility and reliability.
3, it is provided with disconnect switch between the first double power supply automatic transfer switch and the second double power supply automatic transfer switch, mentioned
High security of system.
For those skilled in the art, technical solution documented by foregoing embodiments can still be repaired
Change or equivalent replacement of some of the technical features, it is within the spirit and principle of the utility model, made any
Modification, equivalent replacement, improvement etc., should be included within the scope of protection of this utility model.
Claims (3)
1. a kind of mobile energy storage power supply system for automobile characterized by comprising
Energy-storage battery group, energy-storage battery group connect inverter；
First double power supply automatic transfer switch, the first double power supply automatic transfer switch have first input end A, first input end B,
First output end, first input end A connection inverter, first input end B connection uninterruptible power supply, the connection open circuit of the first output end
Switch；
Second double power supply automatic transfer switch, the second double power supply automatic transfer switch have the second input terminal A, the second input terminal B,
Second output terminal, the second input terminal A connection disconnect switch, the second input terminal B connection power bus, second output terminal connection are negative
It carries.
2. mobile energy storage power supply system for automobile as described in claim 1, which is characterized in that inverter is the unidirectional inversion of DC/AC
Device.
3. mobile energy storage power supply system for automobile as described in claim 1, which is characterized in that power bus AC220V, 50HZ.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920103619.3U CN209516726U (en) | 2019-01-22 | 2019-01-22 | A kind of mobile energy storage power supply system for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920103619.3U CN209516726U (en) | 2019-01-22 | 2019-01-22 | A kind of mobile energy storage power supply system for automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209516726U true CN209516726U (en) | 2019-10-18 |
Family
ID=68201762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920103619.3U Expired - Fee Related CN209516726U (en) | 2019-01-22 | 2019-01-22 | A kind of mobile energy storage power supply system for automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209516726U (en) |
-
2019
- 2019-01-22 CN CN201920103619.3U patent/CN209516726U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191018 Termination date: 20210122 |
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| CF01 | Termination of patent right due to non-payment of annual fee |