CN207097994U - Combined storage battery device - Google Patents
Combined storage battery device Download PDFInfo
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- CN207097994U CN207097994U CN201721035953.7U CN201721035953U CN207097994U CN 207097994 U CN207097994 U CN 207097994U CN 201721035953 U CN201721035953 U CN 201721035953U CN 207097994 U CN207097994 U CN 207097994U
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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
Abstract
It the utility model is related to a kind of Combined storage battery device, including positive pole, negative pole, battery management controller, multiple secondary battery units, multiple intermediate switch modules, multiple positive switch modules and multiple negative sense switch modules, connected between multiple secondary battery units by corresponding intermediate switch sequence of modules, each secondary battery unit one end connects positive pole by corresponding positive switch module, each secondary battery unit other end connects negative pole by corresponding negative sense switch module, and battery management controller connects each intermediate switch module, positive switch module and negative sense switch module.During using above-mentioned Combined storage battery device, control the on off operating mode of each intermediate switch module, positive switch module and negative sense switch module different using battery management controller, the structure combined by the secondary battery unit of access cell circuit can be made different, a variety of different combining structures that series, parallel, sections in series, part in parallel or connection in series-parallel combine can be realized, using flexible is high, and use range is wide.
Description
Technical field
Field of batteries is the utility model is related to, more particularly to a kind of Combined storage battery device.
Background technology
Battery is widely used as a kind of rechargeable battery.Generally, it can be combined and be stored using multiple batteries
Battery pack is with the occasion applied to different demands, and the combination of battery is different, and the capacity of batteries is different with voltage.Than
Such as, by three battery tandem compounds, then the voltage for the batteries for combining to obtain is the voltage sum of three batteries；By three
Individual battery parallel combination, then the capacity for the batteries for combining to obtain is the capacity sum of three batteries.
Traditional batteries, usually multiple batteries are connected or multiple batteries are in parallel.To same electric power storage
For the group of pond, combination is fixed, and so as to which the capacity of batteries and voltage are fixed after combining, use range is small.
Utility model content
Based on this, it is necessary to for traditional batteries use range it is small the problem of, there is provided one kind extension batteries
The Combined storage battery device of use range.
A kind of Combined storage battery device, including positive pole, negative pole, battery management controller, multiple secondary battery units, Duo Gezhong
Between switch module, multiple positive switch modules and multiple negative sense switch modules, by corresponding between multiple secondary battery units
Between switch module be linked in sequence, each secondary battery unit one end passes through corresponding positive switch module and connects the positive pole, each battery
The unit other end connects the negative pole by corresponding negative sense switch module, and the battery management controller connects each intermediate switch mould
Block, positive switch module and negative sense switch module.
Above-mentioned Combined storage battery device, by connecting intermediate switch mould between multiple secondary battery units being linked in sequence
Block, the break-make of battery management controller control intermediate switch module can then control the logical of corresponding two connected secondary battery units
It is disconnected；Positive pole is connected by corresponding positive switch module by using each secondary battery unit, opened by corresponding negative sense
Close the structure of module connection negative pole, battery management controller controls the break-make of positive switch module and negative sense switch module then can be with
Whether secondary battery unit corresponding to control is directly connected to positive pole and negative pole.During using above-mentioned Combined storage battery device, using battery
Management Controller controls the on off operating mode of each intermediate switch module, positive switch module and negative sense switch module different, can make to connect
The structure entered combined by the secondary battery unit of cell circuit is different, can realize series, parallel, sections in series, part in parallel or string
A variety of different combining structures that parallel connection combines；Global voltage corresponding to different combining structures is different with whole volume, so as to
Make the overall voltage of Combined storage battery device and capacity is adjustable and conversion, using flexible height, use range are wide.
Brief description of the drawings
Fig. 1 is the structure chart of Combined storage battery device in an embodiment；
Fig. 2 is the structure chart of Combined storage battery device in another embodiment；
Fig. 3 is the structure chart of charging balanced circuit in an embodiment；
Fig. 4 is that each intermediate switch module, positive switch module, negative sense switch module and control are opened in a specific embodiment
The schematic diagram of the different conditions of pass and the mapping table of various combination mode.
Embodiment
With reference to figure 1, the Combined storage battery device in an embodiment, including positive pole, negative pole, battery management controller 110 (see
Fig. 2), multiple secondary battery units 120, multiple intermediate switch modules 130, multiple positive switch modules 140 and multiple negative senses switch
Module 150.It is linked in sequence between multiple secondary battery units 120 by corresponding intermediate switch module 130, each secondary battery unit
120 one end connect positive pole by corresponding positive switch module 140, and each other end of secondary battery unit 120 is switched by corresponding negative sense
Module 150 connects negative pole；Battery management controller 110 connects each intermediate switch module 130, positive switch module 140 and negative sense
Switch module 150.
Intermediate switch module 130 is connected between the secondary battery unit 120 being linked in sequence, in this way, two secondary battery units 120
Between connection and disconnect the break-make of intermediate switch module 130 for depending on connecting jointly.Wherein, for the storage at non-head and the tail both ends
Battery unit 120, the one end of secondary battery unit 120 pass through positive switch module 140 with the common port of corresponding intermediate switch module 130
Positive pole is connected, the other end of secondary battery unit 120 passes through negative sense switch module 150 with the common port of corresponding intermediate switch module 130
Connect negative pole；Therefore, whether secondary battery unit 120 is directly connected to positive pole, and the positive switch module 140 depending on corresponding connection is
Whether no closure, secondary battery unit 120 are directly connected to negative pole, and whether the negative sense switch module 150 depending on corresponding connection closes.
Specifically, with reference to figure 1, an intermediate switch module 130 is connected between two secondary battery units 120, i.e. intermediate switch module
The quantity that 130 quantity is equal to secondary battery unit 120 subtracts one；Secondary battery unit 120 is connected by a positive switch module 140
Positive pole, negative pole is connected by a negative sense switch module 150.It is appreciated that in other embodiments, two secondary battery units
Multiple intermediate switch modules 130 can also be connected between 120, secondary battery unit 120 can also pass through multiple positive switch modules
140 connection positive poles, pass through multiple negative sense switch modules 150 connection negative pole.
Intermediate switch module 130, positive switch module 140 and negative sense switch module 150 include input, output end and
Control terminal, the control terminal of intermediate switch module 130, positive switch module 140 and negative sense switch module 150 are all connected with battery management
Controller 110.Under working condition, battery management controller 110 can be instructed to each intermediate switch module 130, just with output control
To switch module 140 and negative sense switch module 150, each intermediate switch module 130, positive switch module 140 and negative sense is controlled to open
The break-make of module 150 is closed, is accessed with secondary battery unit corresponding to control 120 or does not access cell circuit；Battery management controller
Each intermediate switch module 130 of 110 controls, positive switch module 140 are different with the on off operating mode of negative sense switch module 150, connect
It is different to enter structure combined by the secondary battery unit 120 of cell circuit, for example, can be series, parallel, sections in series, part simultaneously
Connection or connection in series-parallel combine.Specifically, battery management controller 110 can also be that output control refers to after the signal of correlation is received
Order, such as temperature signal, each intermediate switch module 130, positive switch can also be controlled by receiving the instruction of user's input
The break-make of module 140 and negative sense switch module 150, such as user are instructed by key-press input.
Above-mentioned Combined storage battery device, by connecting intermediate switch between multiple secondary battery units 120 being linked in sequence
Module 130, battery management controller 110 control the break-make of intermediate switch module 130 then to control corresponding two storages being connected
The break-make of battery unit 120；Connected by using each secondary battery unit 120 by corresponding positive switch module 140
Positive pole, the structure by corresponding negative sense switch module 150 connection negative pole, battery management controller 110 control positive switching molding
The break-make of block 140 and negative sense switch module 150 can then control whether corresponding secondary battery unit 120 is directly connected to positive pole and bears
Pole.During using above-mentioned Combined storage battery device, each intermediate switch module 130, forward direction is controlled to open using battery management controller 110
It is different with the on off operating mode of negative sense switch module 150 to close module 140,120 groups of secondary battery unit of access cell circuit can be made
The structure of conjunction is different, can realize a variety of different combination knots that series, parallel, sections in series, part in parallel or connection in series-parallel combine
Structure；Global voltage corresponding to different combining structures is different with whole volume, so that the voltage that Combined storage battery device is overall
It can adjust and convert with capacity, using flexible is high, and use range is wide.
Specifically, secondary battery unit 120 be battery or by multiple batteries into batteries, can be according to reality
Need flexibly to set.In this way, the optional structure of secondary battery unit 120 is more, flexibility is high.For example secondary battery unit 120 can be with
For single lithium battery, or multisection lithium battery lithium battery group in parallel.
In one embodiment, intermediate switch module 130, positive switch module 140 and negative sense switch module 150 include after
Any of electrical equipment and switching tube.It is simple in construction using relay or switching tube.Specifically, switching tube can include three poles
Any of pipe, MOS (Metal Oxide Semiconductor metal-oxide semiconductor (MOS)s) pipes.It is appreciated that at other
In embodiment, intermediate switch module 130, positive switch module 140 and negative sense switch module 150 can also be that other can be automatically controlled
Construction of switch.
In one embodiment, charging balanced circuit 160, charge balancing are also included with reference to figure 2, above-mentioned Combined storage battery device
Circuit 160 connects battery management controller 110 and each secondary battery unit 120.
Charging balanced circuit 160 is used to carry out the charging stage to secondary battery unit 120, in battery management controller 110
Control action under keep the electric voltage equalization of each secondary battery unit 120, improve the stability of charging.
In one embodiment, charging balanced circuit 160 includes multiple balanced unit circuits, and the quantity of balanced unit circuit
Equal with the quantity of secondary battery unit 120, each balanced unit circuit connects one to one with each secondary battery unit 120, and each equal
Weigh element circuit connection battery management controller 110.
A secondary battery unit 120 is connected by using multiple balanced unit circuits are each corresponding respectively, to battery list
Member 120 carries out electric voltage equalization detection and keeps control, and reliability is high.
Specifically, with reference to figure 3, balanced unit circuit includes voltage sampling circuit 1611, controlling switch 1612 and load R,
Controlling switch 1612 and voltage sampling circuit 1611 are all connected with battery management controller 110.Load R one end passes through controlling switch
One end of the corresponding secondary battery unit 120 of 1612 connections, the other end of the corresponding secondary battery unit 120 of load R other end connections, voltage
Sample circuit 1611 is connected in parallel on load R both ends.
Voltage sampling circuit 1611 can gather the voltage of corresponding secondary battery unit 120 and feed back to battery management controller
110, battery management controller 110 detects voltage abnormal in each voltage, such as electric as exception beyond the voltage of other voltages
Pressure.Battery management controller 110 sends the controlling switch 1612 in balanced unit circuit corresponding to close command to abnormal voltage,
Controlling switch 1612 closes corresponding to control, and secondary battery unit 120 turns on load R loops, forms discharge loop, battery list
First 120 unnecessary energy are consumed by the load R in discharge loop；When the voltage of secondary battery unit 120 drops to and other storages
When the voltage of battery unit is consistent, battery management controller 110 sends open command to corresponding controlling switch 1612, switching molding
Block disconnects, and secondary battery unit 120 and load R loops disconnect.In this way, can complete the charging stage keeps each secondary battery unit 120
Electric voltage equalization.The balanced unit circuit formed by using voltage sampling circuit 1611, controlling switch 1612 and load R, structure
Simply.
Wherein, it can be resistance to load R.Controlling switch 1612 can include any of relay and switching tube.Tool
Body, controlling switch 1612 includes input, output end and control terminal, the control terminal connection battery management control of controlling switch 1612
Device 110 processed, so as to the break-make of the operable controlling switch 1612 of battery management controller 110.
In one embodiment, with continued reference to Fig. 3, balanced unit circuit also includes cell current sample circuit 1613, loads R
Secondary battery unit 120 is connected by cell current sample circuit 1613, and cell current sample circuit 1613 connects battery management
Controller 110.
Cell current sample circuit 1613 is used to measure secondary battery unit 120 and loads the loop current between R.By
Concatenation unit current sampling circuit 1613 in balanced unit circuit, opened with reference to intermediate module 130, positive switch module 140, negative sense
The use of module 150, voltage sampling circuit 1611, controlling switch 1612, load R and battery management controller 110 is closed, will can be stored
Battery unit 120 cuts out and forms loop with controlling switch 1612 and load R, according to voltage sampling circuit 1611 and unit
The voltage and current in the loop that current sampling circuit 1613 gathers, capacity check can be carried out to secondary battery unit 120, improve electric power storage
The functional diversity and ease of use of pond combination unit.Intermediate module 130, positive switch module 140, negative sense switch module
150 in addition to for changing the series-parallel system between secondary battery unit 120 by break-make, it may also be used for cutting battery list
Member 120 is to carry out capacity check.
To secondary battery unit 120 carry out capacity check the course of work be：Battery management controller 110 sends open command
Intermediate switch module 130, positive switch module 140 and negative sense switch module 150, hair to the corresponding connection of secondary battery unit 120
Close command is sent to the controlling switch 1612 of corresponding connection, so that corresponding intermediate switch module 130, positive switch module
140 and negative sense switch module 150 disconnects, controlling switch 1612 closes；Now by secondary battery unit 120 from whole current supply circuit
In cut out, it is believed that secondary battery unit 120 is power supply source, gives load R power supplies, passes through voltage sampling circuit 1611 and single
Elementary current sample circuit 1613 is distinguished recording voltage data and current data and sent to battery management controller 110, cell tube
Reason controller 110 can use the capacity that existing capacity check mode is tested according to voltage data and current data.
In one embodiment, with continued reference to Fig. 2, above-mentioned Combined storage battery device also includes being used to detect secondary battery unit
The temperature sensor 170 of 120 temperature, temperature sensor 170 connect battery management controller 110.
Temperature sensor 170 is used to detect the temperature of secondary battery unit 120 and send temperature signal to battery management to control
Device 110；Battery management controller 110 can obtain the temperature of secondary battery unit 120 according to temperature signal, if temperature exceedes default temperature
Spend, then battery management controller 110 controllable corresponding positive switch module 140 and negative sense switch module 150 disconnects, so as to cut
Disconnected secondary battery unit 120.So, it is possible to achieve to the temperature detection of secondary battery unit 120, overtemperature guarantor is carried out to battery 120
Shield, improve the use reliability of Combined storage battery device.Specifically, temperature sensor 170 can be positioned over all secondary battery units
Near 120 regions, for detecting the environment temperature near secondary battery unit 120.
In one embodiment, connection battery management controller is also included with continued reference to Fig. 2, above-mentioned Combined storage battery device
110 main circuit current sample circuit 180, the one end of main circuit current sample circuit 180 connection positive pole, the other end connect each forward direction
Switch module 140, or the one end of main circuit current sample circuit 180 connection negative pole, the other end connect each negative sense switch module 150.
Main circuit current sample circuit 180 is used to gather the electric current on the major loop of connection positive pole or connection negative pole, concurrently
Current signal is sent to battery management controller 110, so as to which battery management controller 110 can obtain major loop according to current signal
Current value, realize current monitoring.In this way, the functional diversity of Combined storage battery device can be improved.
In one embodiment, connection battery management controller is also included with continued reference to Fig. 2, above-mentioned Combined storage battery device
110 charge-discharge protection circuit 190, the one end of charge-discharge protection circuit 190 connection negative pole, the other end connect each negative sense switch module
150, or the one end of charge-discharge protection circuit 190 connection positive pole, the positive switch module 140 of other end connection.
Charge-discharge protection circuit 190 is used to carry out charge and discharge protecting to Combined storage battery device, improves batteries and attaches together
The discharge and recharge safety and reliability put.Specifically, charge-discharge protection circuit 190 can include current sampler and switch, electricity
The current signal that pond Management Controller 110 is sent according to current sampler obtains current value, when current value exceeds preset value, control
Switched off corresponding to system, so as to protect secondary battery unit 120 not damaged because of high current.It is appreciated that charge and discharge protecting is electric
Road 190 can also only include switch, and battery management controller 110 obtains current value according to main circuit current sample circuit 180.
In one specific embodiment, it is as secondary battery unit 120, the quantity of secondary battery unit using 3V/3Ah battery
4.With reference to figure 4, for each intermediate switch module 130, positive switch module in Combined storage battery device in this specific embodiment
140th, the signal of negative sense switch module 150 and the different conditions of controlling switch 1612 and the mapping table of various combination mode
Figure；Wherein, 33 battery cores, 34 battery cores, 35 battery cores, 36 battery cores are followed successively by the inside battery core for 4 secondary battery units 120 being linked in sequence
Label, No. 1 switch for 33 battery cores correspondingly connect positive pole positive switch module label, No. 2 switch, No. 3 switch, No. 4 open
Close respectively between 33 battery cores and 34 battery cores, between 34 battery cores and 35 battery cores, between 35 battery cores and 36 battery cores in corresponding connection
Between switch module label；No. 5 switches correspondingly connect the label of the negative sense switch module of negative pole for 36 battery cores；No. 6 switches are 36
The label of the positive switch module of battery core connection positive pole；No. 7 switches connect the label of the negative sense switch module of negative pole for 35 battery cores；
No. 8 switches connect the label of the positive switch module of positive pole for 35 battery cores；No. 9 switches connect the negative sense switch of negative pole for 34 battery cores
The label of module；No. 10 switches connect the label of the positive switch module of positive pole for 34 battery cores；No. 11 switches connect for 33 electric wires
The label of the negative sense switch module of negative pole；No. 17 switches, No. 18 switches, No. 19 switches, No. 20 switches are respectively 33 battery cores, 34 electricity
Core, 35 battery cores, the label of the controlling switch of 36 battery cores connection.Each intermediate switch mould is adjusted by battery management controller 110
Block 130, positive switch module 140, closure, the off-state of negative sense switch module 150 and controlling switch 1612, can be achieved electric power storage
The structures such as the series, parallel of pool unit, sections in series, part in parallel and the function of realizing online capacity check.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope that this specification is recorded all is considered to be.
Embodiment described above only expresses several embodiments of the present utility model, and its description is more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent scope.It should be pointed out that the common skill for this area
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
1. a kind of Combined storage battery device, it is characterised in that including positive pole, negative pole, battery management controller, multiple battery lists
First, multiple intermediate switch modules, multiple positive switch modules and multiple negative sense switch modules, pass through between multiple secondary battery units
Corresponding intermediate switch sequence of modules connection, each secondary battery unit one end connect the positive pole by corresponding positive switch module,
Each secondary battery unit other end connects the negative pole by corresponding negative sense switch module, during the battery management controller connection is each
Between switch module, positive switch module and negative sense switch module.
2. Combined storage battery device according to claim 1, it is characterised in that the intermediate switch module, the forward direction
Switch module and the negative sense switch module include any of relay and switching tube.
3. Combined storage battery device according to claim 1, it is characterised in that described to fill also including charging balanced circuit
Electrical equalization circuit connects the battery management controller and each secondary battery unit.
4. Combined storage battery device according to claim 3, it is characterised in that the charging balanced circuit includes multiple equal
Weigh element circuit, and the quantity of the balanced unit circuit is equal with the quantity of the secondary battery unit, each balanced unit circuit
Connected one to one with each secondary battery unit, and each balanced unit circuit connects the battery management controller.
5. Combined storage battery device according to claim 4, it is characterised in that the balanced unit circuit is opened including control
Close, load and voltage sampling circuit, the controlling switch and the voltage sampling circuit are all connected with the battery management controller；
Described load one end connects one end of corresponding secondary battery unit, the load other end connection pair by the controlling switch
The other end of secondary battery unit is answered, the voltage sampling circuit is connected in parallel on the load both ends.
6. Combined storage battery device according to claim 5, it is characterised in that the balanced unit circuit also includes unit
Current sampling circuit, the load connect the secondary battery unit, and unit electricity by the cell current sample circuit
Flow sample circuit and connect the battery management controller.
7. the Combined storage battery device according to claim 1 or 6, it is characterised in that also include being used to detect the electric power storage
The temperature sensor of the temperature of pool unit, the temperature sensor connect the battery management controller.
8. the Combined storage battery device according to claim 1 or 6, it is characterised in that also include connecting the battery management
The main circuit current sample circuit of controller, described main circuit current sample circuit one end connect the positive pole, other end connection
Each positive switch module, or described main circuit current sample circuit one end connects the negative pole, the other end connects each negative sense switch
Module.
9. the Combined storage battery device according to claim 1 or 6, it is characterised in that also include connecting the battery management
The charge-discharge protection circuit of controller, described charge-discharge protection circuit one end connects the negative pole, the other end connects each negative sense and opened
Module is closed, or described charge-discharge protection circuit one end connects the positive pole, other end connection charge-discharge protection circuit.
10. the Combined storage battery device according to claim 1 or 6, it is characterised in that the secondary battery unit is battery
Or by multiple batteries into batteries.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721035953.7U CN207097994U (en) | 2017-08-17 | 2017-08-17 | Combined storage battery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721035953.7U CN207097994U (en) | 2017-08-17 | 2017-08-17 | Combined storage battery device |
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| Publication Number | Publication Date |
|---|---|
| CN207097994U true CN207097994U (en) | 2018-03-13 |
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ID=61542123
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721035953.7U Active CN207097994U (en) | 2017-08-17 | 2017-08-17 | Combined storage battery device |
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| CN (1) | CN207097994U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109713759A (en) * | 2019-02-20 | 2019-05-03 | 金国卫 | Twin voltage battery energy storage device |
-
2017
- 2017-08-17 CN CN201721035953.7U patent/CN207097994U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109713759A (en) * | 2019-02-20 | 2019-05-03 | 金国卫 | Twin voltage battery energy storage device |
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