CN206323199U - A kind of mixing accumulator energy storage device and electric motor car - Google Patents
A kind of mixing accumulator energy storage device and electric motor car Download PDFInfo
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- CN206323199U CN206323199U CN201621442473.8U CN201621442473U CN206323199U CN 206323199 U CN206323199 U CN 206323199U CN 201621442473 U CN201621442473 U CN 201621442473U CN 206323199 U CN206323199 U CN 206323199U
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- storage device
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- energy storage
- module
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- 238000004146 energy storage Methods 0.000 title claims abstract description 50
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 38
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 38
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 4
- 230000005611 electricity Effects 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
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Abstract
The utility model is related to cell art, and the utility model provides a kind of mixing accumulator energy storage device and electric motor car, and energy storage device includes lithium battery group, energy-storage module and control module;Energy-storage module is cascaded to form series arm with control module, and the branch road of lithium battery group formation is connected in parallel with series arm;The voltage of control module control series arm flows through the electric current of lithium battery group to adjust, and circuit structure is simple, reduces control difficulty and maintenance cost.
Description
Technical field
The utility model is related to cell art, more particularly to a kind of mixing accumulator energy storage device and electric motor car.
Background technology
The battery of different materials has different performances, the lithium battery of some high-energy-densities, its charge-discharge magnification energy
Power is poor, this kind of lithium battery is there is potential safety hazard under high current work, some lithium battery costs are higher and short life, need
Another battery of arranging in pairs or groups aids in its work, to extend the service life of integral device and reduce cost, in the prior art by two
Plant and the complicated control device of increase, such as charhing unit, discharge cell, charge and discharge switch device are usually required when battery is mixed
Part etc., makes the cost of whole device higher, and be not easily controlled and safeguard.
Utility model content
The purpose of this utility model is to provide a kind of mixing accumulator energy storage device and electric motor car, it is intended to solve existing skill
The problem of battery pack structure complexity that art includes different type battery is difficult to control.
The utility model is achieved in that the utility model first aspect provides a kind of mixing accumulator energy storage device,
The energy storage device includes lithium battery group, energy-storage module and control module;
The energy-storage module is cascaded to form series arm with the control module, the branch of the lithium battery group formation
Road is connected in parallel with the series arm;
The voltage of the control module control series arm flows through the electric current of the lithium battery group to adjust.
With reference to the utility model in a first aspect, as the first embodiment of first aspect, when the energy storage device pair
Outer when being discharged, the control module controls the voltage of the series arm to be more than the voltage of the lithium battery group.
With reference to the utility model in a first aspect, as second of embodiment of first aspect, when external power source is to described
When energy storage device is charged, the control module controls the voltage of the series arm to be less than the voltage of the lithium battery group.
With reference to the first embodiment and second of embodiment of the utility model first aspect, first aspect is used as
The third embodiment, the control module is controllable resistor or voltage direct current source.
With reference to the utility model in a first aspect, as the 4th kind of embodiment of first aspect, the energy-storage module is lead
Sour battery or electric capacity.
With reference to the utility model in a first aspect, as the 5th kind of embodiment of first aspect, the energy-storage module is lithium
Battery module.
The utility model second aspect provides a kind of electric motor car, and the electric motor car includes the first embodiment of first aspect
To the energy storage device and power management module described in the 4th kind of embodiment, the control module and the power management module it
Intercommunication.
With reference to the utility model second aspect, as the first embodiment of second aspect, the control module is can
When controlling resistance, the controllable resistor adjusts resistance according to the control signal of the power management module, to adjust the series connection branch
The voltage on road.
With reference to the utility model second aspect, as second of embodiment of second aspect, the control module is electricity
When pressing DC source, the voltage direct current source adjusts output voltage according to the control signal of the power management module, to adjust
State the voltage of series arm.
The utility model provides a kind of mixing accumulator energy storage device and electric motor car, and energy-storage module is connected with control module
Series arm is formed together, series arm is connected in parallel with lithium battery group, is realized by controlling control module to series connection branch
The control of road voltage, and then control to flow through the electric current of lithium battery group, circuit structure is simple, reduces control difficulty and safeguards into
This.
Brief description of the drawings
, below will be to embodiment or prior art in order to illustrate more clearly of the technical scheme in the utility model embodiment
The accompanying drawing to be used needed for description is briefly described, it should be apparent that, drawings in the following description are only that this practicality is new
Some embodiments of type, for those of ordinary skill in the art, without having to pay creative labor, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of structural representation for mixing accumulator energy storage device that prior art is provided;
Fig. 2 is a kind of structural representation for electric motor car that prior art is provided.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only to explain
The utility model, is not used to limit the utility model.
In order to illustrate the technical solution of the utility model, illustrated below by specific embodiment.
The utility model embodiment provides a kind of mixing accumulator energy storage device 10, and energy storage device 10 includes lithium battery group
101st, energy-storage module 102 and control module 103;
Energy-storage module 102 is cascaded to form series arm with control module 103, the branch road of the formation of lithium battery group 101
It is connected in parallel with series arm;
The voltage of the control series arm of control module 103 flows through the electric current of lithium battery group 101 to adjust.
Wherein, the voltage of the control of control module 103 series arm includes following two regulative modes:
A kind of regulative mode is:When energy storage device 10 is externally discharged, control module 103 controls the electricity of series arm
Voltage of the pressure more than lithium battery group 101.
Another regulative mode is:When external power source charges to energy storage device 10, the control series connection of control module 103
The voltage of branch road is less than the voltage of lithium battery group 101.
In charging, when there is high current input, in order to avoid input current exceeds the operating current of lithium battery group 101
Scope and there is potential safety hazard, by control module 103 adjust its where series arm voltage, make the voltage of series arm small
In the voltage of lithium battery group 101, according to the rule of accepting as unavoidable of electric current tendency, the series arm where control module 103 obtains bigger
Charging current, the charging current of lithium battery group 101 can be adjusted.
In electric discharge, when there is heavy-current discharge, in order to avoid output current exceeds the operating current of lithium battery group 101
Scope and there is potential safety hazard, by control module 103 adjust its where series arm voltage, make the voltage of series arm big
In the voltage of lithium battery group 101, according to the rule of accepting as unavoidable of electric current tendency, the series arm output where control module 103 is increased
Discharge current, the discharge current of lithium battery group 101 can be adjusted.
For control module 103, specifically, control module 103 is controllable resistor or voltage direct current source.Can be by adjusting
The resistance of controllable resistor or the output voltage of voltage direct current source adjust the voltage of the place series arm of control module 103.
For energy-storage module 102, as a kind of embodiment, specifically, energy-storage module 102 is lead-acid battery or electricity
Hold.
For energy-storage module 102, as a kind of embodiment, specifically, energy-storage module 102 is lithium battery module.
Wherein, energy-storage module 102 be with the different types of lithium battery of lithium battery group 101, such as by different positive and negative electrode materials
Material is constituted, and either the battery core unit of capacitance difference or can type constitutes difference, or overall charge-discharge characteristic difference,
Or service life is different from lithium battery group 101.
Basic utility model embodiment, energy-storage module and control module are cascaded to form series arm, will be connected
Branch road is connected in parallel with lithium battery group, realizes the control to series arm voltage by controlling control module, and then control to flow through
The electric current of lithium battery group, circuit structure is simple, reduces control difficulty and maintenance cost.
Another embodiment of the utility model provides a kind of electric motor car 104, the energy storage that the above-described embodiment of electric motor car 104 is provided
Equipment 10 and power management module 201, control module 103 and the intercommunication of power management module 201.
When control module 103 is controllable resistor, controllable resistor is adjusted according to the control signal of power management module 201 to be hindered
Value, to adjust the voltage of series arm.
When control module 103 is voltage direct current source, voltage direct current source is adjusted according to the control signal of power management module 201
Output voltage, to adjust the voltage of series arm.
Basic utility model embodiment, power management module is connected with control module, is realized and is carried out in energy storage device
During discharge and recharge, energy-storage module in energy storage device and control module are cascaded to form the voltage-regulation of series arm, and then
Control flows through the electric current of lithium battery group.
Above content is to combine specific preferred embodiment further detailed description of the utility model, it is impossible to
Assert that specific implementation of the present utility model is confined to these explanations.For the ordinary skill of the utility model art
For personnel, make some equivalent substitutes or obvious modification without departing from the concept of the premise utility, and performance or
Purposes is identical, should all be considered as belonging to the scope of patent protection that the utility model is determined by the claims submitted.
Claims (9)
1. a kind of mixing accumulator energy storage device, it is characterised in that the energy storage device include lithium battery group, energy-storage module and
Control module;
The energy-storage module and the control module are cascaded to form series arm, the branch road of the lithium battery group formation with
The series arm is connected in parallel;
The voltage of the control module control series arm flows through the electric current of the lithium battery group to adjust.
2. energy storage device as claimed in claim 1, it is characterised in that described when the energy storage device is externally discharged
Control module controls the voltage of the series arm to be more than the voltage of the lithium battery group.
3. energy storage device as claimed in claim 1, it is characterised in that when external power source charges to the energy storage device
When, the control module controls the voltage of the series arm to be less than the voltage of the lithium battery group.
4. the energy storage device as described in claim 2 or 3, it is characterised in that the control module is controllable resistor or electricity
Press DC source.
5. energy storage device as claimed in claim 1, it is characterised in that the energy-storage module is lead-acid battery or electric capacity.
6. energy storage device as claimed in claim 1, it is characterised in that the energy-storage module is lithium battery module.
7. a kind of electric motor car, it is characterised in that the electric motor car includes the energy storage device described in claim 1 to 6 any one
And power management module, the control module and the intercommunication of the power management module.
8. electric motor car as claimed in claim 7, it is characterised in that when the control module is controllable resistor, the controllable electric
Root resistance adjusts resistance according to the control signal of the power management module, to adjust the voltage of the series arm.
9. electric motor car as claimed in claim 7, it is characterised in that when the control module is voltage direct current source, the voltage
DC source adjusts output voltage according to the control signal of the power management module, to adjust the voltage of the series arm.
Priority Applications (1)
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CN201621442473.8U CN206323199U (en) | 2016-12-26 | 2016-12-26 | A kind of mixing accumulator energy storage device and electric motor car |
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CN201621442473.8U CN206323199U (en) | 2016-12-26 | 2016-12-26 | A kind of mixing accumulator energy storage device and electric motor car |
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CN206323199U true CN206323199U (en) | 2017-07-11 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110239382A (en) * | 2019-06-27 | 2019-09-17 | 上海电机学院 | A kind of electric car charge-discharge system |
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2016
- 2016-12-26 CN CN201621442473.8U patent/CN206323199U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110239382A (en) * | 2019-06-27 | 2019-09-17 | 上海电机学院 | A kind of electric car charge-discharge system |
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GR01 | Patent grant | ||
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CP01 | Change in the name or title of a patent holder |
Address after: 518000 a616, floor 6, block a, TCL building, South 1st Road, high tech park, Yuehai street, Nanshan District, Shenzhen, Guangdong Patentee after: Shenzhen Longdian Eris new energy Co.,Ltd. Address before: 518000 a616, floor 6, block a, TCL building, South 1st Road, high tech park, Yuehai street, Nanshan District, Shenzhen, Guangdong Patentee before: SHENZHEN ARESWATT NEW ENERGY CO.,LTD. |