CN207368690U - A kind of self-powered circuit of energy-storage battery bag - Google Patents
A kind of self-powered circuit of energy-storage battery bag Download PDFInfo
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- CN207368690U CN207368690U CN201721085718.0U CN201721085718U CN207368690U CN 207368690 U CN207368690 U CN 207368690U CN 201721085718 U CN201721085718 U CN 201721085718U CN 207368690 U CN207368690 U CN 207368690U
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- battery bag
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Abstract
The utility model provides a kind of self-powered circuit of energy-storage battery bag, including DC/DC power modules, BMS modules, energy-storage battery bag, positive charged terminal mouth, positive discharge port, anode charging port, negative discharge port, the first diode and the second diode；DC/DC power modules include electrode input end, negative input, cathode output end and cathode output end；Energy-storage battery bag includes total positive terminal and total negative pole end；Positive charged terminal mouth connects the cathode of the first diode, the anode connection electrode input end of the first diode；Total positive terminal connects the cathode of the second diode, the anode connection electrode input end of the second diode；Total positive terminal connects positive discharge port by starting switch；Total negative pole end connects negative input, total negative pole end connection anode charging port of energy-storage battery bag and negative discharge port by power switch；Cathode output end and cathode output end connection BMS modules, BMS modules are connected with energy-storage battery bag by communication bus.
Description
【Technical field】
It the utility model is related to energy-storage battery packet technology field, more particularly to a kind of self-powered circuit of energy-storage battery bag.
【Background technology】
As the fast development of urban economy and a large amount of of the energy expend, electricity consumption growing tension has caused the height of people to be closed
Note, energy-storage battery packet system be widely used in peak load shifting, abandon wind abandon the electricity consumptions such as light collections, electric power response, stand-by power supply lead
Domain；Energy-storage battery bag in case of emergency needs to provide power supply, also, energy storage to energy storage load equipment as standby emergency power supply
BMS modules in battery pack system need itself to take high-voltage electricity from energy-storage battery bag, then are converted into by DC/DC power modules
12V/24V, gives BMS module for power supply.After energy-storage battery bag is discharged to guard mode, DC/DC power modules can not be given to provide high
Voltage source, DC/DC power modules cannot change 12V/24V and give BMS module for power supply, cause whole energy-storage battery packet system can not
Normal work, the self-powered circuit design of existing energy-storage battery bag, after energy-storage battery bag Cross prevention, need to manually provide
12V/24V power supplys are BMS module for power supply.
In consideration of it, it is really necessary to provide a kind of new energy-storage battery bag self-powered circuit to overcome disadvantages described above.
【Utility model content】
The purpose of this utility model is to provide one kind after energy-storage battery bag is in guard mode, without manually providing 12V/
24V power supplys are BMS module for power supply, circuit structure is simple, reduce the energy-storage battery bag self-powered circuit of after-sales service cost.
To achieve these goals, the utility model provides a kind of self-powered circuit of energy-storage battery bag, including DC/DC electricity
Source module, BMS modules, energy-storage battery bag, positive charged terminal mouth, positive discharge port, anode charging port, negative discharge end
Mouth, the first diode and the second diode；The DC/DC power modules include electrode input end, negative input, cathode output
End and cathode output end；The energy-storage battery bag includes total positive terminal and total negative pole end；Described in the positive charged terminal mouth connection
The cathode of first diode, the anode of first diode connect the electrode input end；The energy-storage battery bag it is total just
The cathode of second diode is extremely connected, the anode of second diode connects the electrode input end；The energy storage
Total positive terminal of battery pack connects the positive discharge port by starting switch；Total negative pole end of the energy-storage battery bag passes through
Power switch connects the negative input, and total negative pole end of the energy-storage battery bag connects the anode charging port and anode
Electric discharge port；The cathode output end and cathode output end connect the BMS modules, the BMS modules and the energy-storage battery
Bag is connected by communication bus.
In a preferred embodiment, the energy-storage battery bag includes the battery case of multiple series connection, each battery case pair
A collecting cassette should be connected, the collecting cassette gathers the performance parameter of battery modules in battery case, and is transferred to described in connection and adopts
Collect the BMS modules of box.
In a preferred embodiment, the BMS modules include insulation monitoring module, the insulation monitoring module connection
The multiple collecting cassette, the cathode of the insulation monitoring module connect total positive terminal of the energy-storage battery bag, the insulation inspection
The anode for surveying module connects total negative pole end of the energy-storage battery bag.
In a preferred embodiment, the BMS modules further include main control module, described in the main control module connection
The cathode output end and cathode output end of DC/DC power modules.
In a preferred embodiment, to be additionally provided with multichannel between the insulation monitoring module and the main control module total
Wire box, the output of the insulation monitoring module, main control module and multiple bus box are used to BMS modules and external communication.
In a preferred embodiment, it is provided between total negative pole end of the main control module and the energy-storage battery bag
The Hall sensor of main control module is connected, the Hall sensor is used for the current parameters for sensing energy-storage battery bag, and is transferred to
The main control module.
In a preferred embodiment, total negative pole end of the energy-storage battery bag and the anode charging port and anode
Always negative relay is provided between electric discharge port, the always negative relay controls the anode charging port and negative discharge port
With the connection or disconnection of total negative pole end.
In a preferred embodiment, it is provided with preliminary filling relay between the positive discharge port and the starting switch
Device and electric discharge relay, the preliminary filling relay are in parallel with the electric discharge relay after connecting with preliminary filling resistance.
In a preferred embodiment, the positive charged terminal mouth connects the energy-storage battery bag by charge relay
Total positive terminal.
In a preferred embodiment, set between total positive terminal of the energy-storage battery bag and second diode
There are dormancy relay, dormancy relay control total connection or disconnection between positive terminal and second diode.
Compared with the prior art, the self-powered circuit of energy-storage battery bag provided by the utility model, energy-storage battery bag discharge
When electricity is in guard mode, without manually providing 12V/24V electricity, DC/DC power modules can directly take the electricity of charging equipment to turn
12V/24V electricity is changed to, gives BMS module for power supply, ensures the normal discharge and recharge of energy-storage battery bag, circuit structure is simple, reduces and sells
Maintenance cost afterwards；Also, by the first diode, it is therefore prevented that in power itself state, voltage reversal enters energy-storage battery bag
Carry out charging equipment；Passing through the second diode, it is therefore prevented that the voltage of charging equipment flows directly into total positive terminal of energy-storage battery bag,
Security performance higher.
【Brief description of the drawings】
Fig. 1 is the functional block diagram of the self-powered circuit of energy-storage battery bag provided by the utility model；
Fig. 2 is the circuit diagram of the self-powered circuit of the energy-storage battery bag shown in Fig. 1.
【Embodiment】
In order to make the purpose of this utility model, technical solution and advantageous effects become apparent from understanding, below in conjunction with attached
Figure and embodiment, are further elaborated the utility model.It should be appreciated that described in this specification
Embodiment is not intended to limit the utility model just for the sake of explaining the utility model.
As shown in Figures 1 and 2, the utility model provides a kind of self-powered circuit 100 of energy-storage battery bag, including DC/DC
Power module 10, BMS modules 20, energy-storage battery bag 30, positive charged terminal mouth 40, positive discharge port 50, anode charging port
60th, negative discharge port 70, the first diode 80 and the second diode 90；The DC/DC power modules 10 are inputted including cathode
End 11, negative input 12, cathode output end 13 and cathode output end 14；The energy-storage battery bag 30 include total positive terminal 31 and
Total negative pole end 32；
The positive charged terminal mouth 40 connects the cathode of first diode 80, and the anode of first diode 80 connects
Lead to the electrode input end 11；Total positive terminal 31 of the energy-storage battery bag connects the cathode of second diode 90, described
The anode of second diode 90 connects the electrode input end 11；Total positive terminal 31 of the energy-storage battery bag passes through starting switch
The 101 connection positive discharge ports 50；Total negative pole end 32 of the energy-storage battery bag is connected described negative by power switch 102
Pole input terminal 12, total negative pole end 32 of the energy-storage battery bag connect the anode charging port 60 and negative discharge port 70；
The cathode output end 13 and cathode output end 14 connect the BMS modules 20, the BMS modules 20 and the storage
Energy battery pack 30 is connected by communication bus 33.
Specifically, the energy-storage battery bag includes the battery case 34 of multiple series connection, each battery case 34 corresponds to connection one
Collecting cassette 35, the collecting cassette 35 gather the performance parameter of battery modules in battery case 34, and are transferred to the connection collecting cassette
The 35 BMS modules 20.
The BMS modules 20 include insulation monitoring module 21, and the insulation monitoring module 21 connects the multiple collecting cassette
35, the cathode of the insulation monitoring module 21 connects total positive terminal 31 (B+) of the energy-storage battery bag, the Insulation monitoring mould
The anode of block 21 connects total negative pole end 32 (B-) of the energy-storage battery bag.
The BMS modules further include main control module 22, and the main control module 22 is connecting the DC/DC power modules 10 just
Pole output terminal 13 and cathode output end 14.
Multiple bus box 23, the insulation inspection are additionally provided between the insulation monitoring module 21 and the main control module 22
The output for surveying module 21, main control module 22 and multiple bus box 23 is used to BMS modules 20 and external communication, specifically, exterior
Communication includes software debugging, display screen interface, charging CAN communication.
Connection main control module 22 is provided between total negative pole end 32 of the main control module 22 and the energy-storage battery bag 30
Hall sensor 24, the Hall sensor is used to sense the current parameters of energy-storage battery bag 30, and is transferred to the master control
Module 22.
Between total negative pole end 32 of the energy-storage battery bag 30 and the anode charging port 60 and negative discharge port 70
Always negative relay 61 is provided with, the always negative relay 61 controls the anode charging port 60 and negative discharge port 70 and institute
State the connection or disconnection of total negative pole end 32.
Preliminary filling relay 51 and electric discharge relay are provided between the positive discharge port 50 and the starting switch 101
52, the preliminary filling relay 51 is in parallel with the electric discharge relay 52 after connecting with preliminary filling resistance 53.It is described in present embodiment
Fuse 54 is additionally provided between starting switch 101 and preliminary filling relay 51 and electric discharge relay 52, for protection circuit.
The positive charged terminal mouth 40 connects total positive terminal 31 of the energy-storage battery bag 30 by charge relay 41.
Dormancy relay 91 is provided between total positive terminal 31 of the energy-storage battery bag 30 and second diode 90,
The dormancy relay 91 controls total connection or disconnection between positive terminal 31 and second diode 90.
The self-powered circuit 100 of energy-storage battery bag provided by the utility model, when energy-storage battery bag 30 is in running order
When, by closing starting switch 101 and power switch 102, total positive terminal 31 of energy-storage battery bag 30 and total negative pole end 32 access
The high-voltage electricity of energy-storage battery bag 30 is converted to 12V/24V to BMS modules 20 by DC/DC power modules 10, DC/DC power modules 10
Power supply, BMS modules 20 control the 30 normal discharge and recharge of energy-storage battery bag；When energy-storage battery bag 30 is discharged in guard mode,
By accessing the charging equipment (not shown) of energy-storage system, power switch 102 is closed, DC/DC power modules 10, which can take, to be filled
The electricity of electric equipment is converted to 12V/24V electricity, powers to BMS modules 20, without manually providing 12V/24V electricity, energy-storage battery bag 30
Can normal discharge and recharge.
The self-powered circuit 100 of energy-storage battery bag provided by the utility model, energy-storage battery bag 30 are discharged in protection
During state, without manually providing 12V/24V electricity, DC/DC power modules 10 can directly take the electricity of charging equipment to be converted to 12V/
24V electricity, powers to BMS modules 20, ensures the normal discharge and recharge of energy-storage battery bag 30, circuit structure is simple, reduces and ties up after sale
Protect cost；Also, by the first diode 80, it is therefore prevented that in power itself state, voltage reversal enters energy-storage battery bag 30
Carry out charging equipment；Pass through the second diode 90, it is therefore prevented that the voltage of charging equipment flow directly into energy-storage battery bag 30 it is total just
Extreme 31, security performance higher.
The utility model is not restricted to described in specification and embodiment, therefore for the personnel of familiar field
For additional advantage and modification is easily achieved, therefore in the universal limited without departing substantially from claim and equivalency range
Spirit and scope in the case of, the utility model is not limited to specific details, representational equipment and shown here as with retouching
The examples shown stated.
Claims (10)
- A kind of 1. self-powered circuit of energy-storage battery bag, it is characterised in that：Including DC/DC power modules, BMS modules, energy storage electricity Chi Bao, positive charged terminal mouth, positive discharge port, anode charging port, negative discharge port, the first diode and the two or two pole Pipe；The DC/DC power modules include electrode input end, negative input, cathode output end and cathode output end；The energy storage Battery pack includes total positive terminal and total negative pole end；The positive charged terminal mouth connects the cathode of first diode, and the anode of first diode connects the cathode Input terminal；Total positive terminal of the energy-storage battery bag connects the cathode of second diode, the anode of second diode Connect the electrode input end；Total positive terminal of the energy-storage battery bag connects the positive discharge port by starting switch； Total negative pole end of the energy-storage battery bag connects the negative input, total anode of the energy-storage battery bag by power switch End connects the anode charging port and negative discharge port；The cathode output end and cathode output end connect the BMS modules, and the BMS modules pass through with the energy-storage battery bag Communication bus connects.
- 2. the self-powered circuit of energy-storage battery bag as claimed in claim 1, it is characterised in that：The energy-storage battery bag includes more The battery case of a series connection, each battery case correspond to one collecting cassette of connection, and the collecting cassette gathers battery modules in battery case Performance parameter, and it is transferred to the BMS modules for connecting the collecting cassette.
- 3. the self-powered circuit of energy-storage battery bag as claimed in claim 2, it is characterised in that：The BMS modules include insulation Detection module, the insulation monitoring module connect the multiple collecting cassette, and the cathode of the insulation monitoring module connects the storage Total positive terminal of energy battery pack, the anode of the insulation monitoring module connect total negative pole end of the energy-storage battery bag.
- 4. the self-powered circuit of energy-storage battery bag as claimed in claim 3, it is characterised in that：The BMS modules further include master Module is controlled, the main control module connects the cathode output end and cathode output end of the DC/DC power modules.
- 5. the self-powered circuit of energy-storage battery bag as claimed in claim 4, it is characterised in that：The insulation monitoring module and institute State and be additionally provided with multiple bus box, the output of the insulation monitoring module, main control module and multiple bus box between main control module It is used to BMS modules and external communication.
- 6. the self-powered circuit of energy-storage battery bag as claimed in claim 5, it is characterised in that：The main control module and the storage The Hall sensor for connecting main control module can be provided between total negative pole end of battery pack, the Hall sensor, which is used to sense, to be stored up The current parameters of energy battery pack, and it is transferred to the main control module.
- 7. the self-powered circuit of energy-storage battery bag as claimed in claim 6, it is characterised in that：The total of the energy-storage battery bag bears Always negative relay, the always negative relay control institute are extremely provided between the anode charging port and negative discharge port State anode charging port and negative discharge port and the connection or disconnection of total negative pole end.
- 8. the self-powered circuit of energy-storage battery bag as claimed in claim 7, it is characterised in that：The positive discharge port and institute State and preliminary filling relay and electric discharge relay be provided between starting switch, the preliminary filling relay connect with preliminary filling resistance after with institute It is in parallel to state electric discharge relay.
- 9. the self-powered circuit of energy-storage battery bag as claimed in claim 8, it is characterised in that：The positive charged terminal mouth passes through Charge relay connects total positive terminal of the energy-storage battery bag.
- 10. the self-powered circuit of energy-storage battery bag as claimed in claim 9, it is characterised in that：The energy-storage battery bag it is total Dormancy relay, the control of dormancy relay always positive terminal and the institute are provided between positive terminal and second diode State the connection or disconnection between the second diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721085718.0U CN207368690U (en) | 2017-08-28 | 2017-08-28 | A kind of self-powered circuit of energy-storage battery bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721085718.0U CN207368690U (en) | 2017-08-28 | 2017-08-28 | A kind of self-powered circuit of energy-storage battery bag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207368690U true CN207368690U (en) | 2018-05-15 |
Family
ID=62350808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721085718.0U Expired - Fee Related CN207368690U (en) | 2017-08-28 | 2017-08-28 | A kind of self-powered circuit of energy-storage battery bag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207368690U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108891263A (en) * | 2018-06-27 | 2018-11-27 | 珠海银隆电器有限公司 | A kind of high-voltage control circuit and high voltage control case |
| CN114976506A (en) * | 2022-05-19 | 2022-08-30 | 盐城国投中科新能源科技有限公司 | Parallel device for starting lithium battery system and using method thereof |
-
2017
- 2017-08-28 CN CN201721085718.0U patent/CN207368690U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108891263A (en) * | 2018-06-27 | 2018-11-27 | 珠海银隆电器有限公司 | A kind of high-voltage control circuit and high voltage control case |
| CN114976506A (en) * | 2022-05-19 | 2022-08-30 | 盐城国投中科新能源科技有限公司 | Parallel device for starting lithium battery system and using method thereof |
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Legal Events
| 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: 20180515 Termination date: 20180828 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |