CN205791574U - A kind of equalizing circuit of boost type energy transfer - Google Patents
A kind of equalizing circuit of boost type energy transfer Download PDFInfo
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- CN205791574U CN205791574U CN201521115914.9U CN201521115914U CN205791574U CN 205791574 U CN205791574 U CN 205791574U CN 201521115914 U CN201521115914 U CN 201521115914U CN 205791574 U CN205791574 U CN 205791574U
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- cell
- monomer voltage
- boost module
- boost
- accumulator
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Abstract
The utility model discloses the equalizing circuit of a kind of boost type energy transfer, equalizing circuit includes for detecting the monomer voltage of each cell in set of cells, and the monomer voltage detected is transmitted the detection module to master controller；According to judging whether monomer voltage exceedes default threshold value, the input of cell and boost module that monomer voltage exceedes threshold value is connected, and exports the corresponding pwm control signal master controller controlling end to boost module；Each cell one_to_one corresponding with set of cells, and according to the pwm control signal of master controller, accumulator, the boost module charged a battery are arrived in output after the monomer voltage boosting of input.After monomer voltage is boosted by this utility model by boost module, accumulator is arrived in output, charge a battery, realize the energy of cell too high for monomer voltage is transferred to accumulator, while realizing battery pack balancing, charge a battery, making full use of of energy, reduces the heat that battery pack balancing brings.
Description
Technical field
This utility model relates to the technical field of new-energy automobile, more specifically, relates to a kind of boost type energy and turns
The equalizing circuit moved.
Background technology
When concentrating charging before needing multiple cells or set of cells are dispatched from the factory in engineer applied, due to each battery
The performance parameter of monomer or set of cells is inconsistent, there is ability to accept, self-discharge rate, capacity when charging between each cell
The differences such as rate of decay, the rechargeable energy that can cause each cell is inconsistent.And each cell in set of cells
The quantity of electric charge gap stored, by increasing, in divergent trend, so easily causes the discreteness of the cell of internal battery pack
Increasing, the even performance degradation of individual monomers battery can aggravate, and then causes whole set of cells to lose efficacy.The equilibrium road of present stage is all
It is to use series resistor, consumes excess energy or the method charged by resistance；But the method waste energy resource, and hold
Easily make circuit board heating.
Utility model content
The purpose of this utility model is to overcome drawbacks described above of the prior art, it is provided that the transfer of a kind of boost type energy
Equalizing circuit, it is achieved unnecessary energy transfer.
For achieving the above object, the technical scheme that this utility model provides is as follows:
The equalizing circuit of a kind of boost type energy transfer that this utility model provides, including:
For detecting the monomer voltage of each cell in set of cells, and the monomer voltage detected is transmitted to master control
The detection module of device processed；
According to judging whether monomer voltage exceedes default threshold value, monomer voltage is exceeded cell and the boosting of threshold value
The input of module is connected, and exports the corresponding pwm control signal master controller controlling end to boost module；
Each cell one_to_one corresponding with set of cells, and according to the pwm control signal of master controller by input
After monomer voltage boosting, output is to accumulator, the boost module charged a battery.
As preferred technical scheme, described boost module uses DC-DC booster circuit structure.
As preferred technical scheme, described boost module includes: switch S, inductance L1, switching tube V1, diode VD1,
Electric capacity C1 and resistance R1, switch S one end be connected with cell, the other end is connected with one end of inductance L1, inductance L1 another
Ground connection after end tandem tap pipe V1, connects the positive pole of diode VD1 simultaneously；After electric capacity C1 and resistance R1 composition parallel branch, in parallel
Branch road one end is connected with the negative pole of diode VD1, other end ground connection, and the node that parallel branch is connected with diode VD1 is as liter
The outfan of die block is connected with accumulator.
As preferred technical scheme, described switching tube V1 is audion or metal-oxide-semiconductor.
As preferred technical scheme, described accumulator is Vehicular accumulator cell 24V+.
Compared with prior art, the beneficial effects of the utility model are:
1, cell is being equalized by this utility model, by unnecessary energy transfer, both ensure that in set of cells
The magnitude of voltage of single battery is in normal working range, it is also possible to charge to reserve cell, and it is unnecessary to avoid simultaneously
Heat has undesirable effect in the circuit board.
2, equalizing circuit simple in construction of the present utility model, easily operates, it is adaptable to the production of heavy industrialization.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, the accompanying drawing in describing below is this
Some embodiments of utility model, for those of ordinary skill in the art, on the premise of not paying creative work, also
Other accompanying drawing can be obtained according to these accompanying drawings.
Fig. 1 is the structure chart of the equalizing circuit of the boost type energy transfer that this utility model embodiment one provides.
Detailed description of the invention
For making the purpose of this utility model embodiment, technical scheme and advantage clearer, new below in conjunction with this practicality
Accompanying drawing in type embodiment, is clearly and completely described the technical scheme in this utility model embodiment, it is clear that retouched
The embodiment stated is a part of embodiment of this utility model rather than whole embodiments.Based on the enforcement in this utility model
Example, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into
The scope of this utility model protection.
Embodiment
Embodiment of the present utility model provides the equalizing circuit of a kind of boost type energy transfer, and Fig. 1 is this utility model
The structure chart of embodiment, refer to Fig. 1, and this equalizing circuit includes:
For detecting the monomer voltage of each cell in set of cells, and the monomer voltage detected is transmitted to master control
The detection module of device processed；
According to judging whether monomer voltage exceedes default threshold value, monomer voltage is exceeded cell and the boosting of threshold value
The input of module is connected, and exports the corresponding pwm control signal master controller controlling end to boost module；
Each cell one_to_one corresponding with set of cells, and according to the pwm control signal of master controller by input
After monomer voltage boosting, output is to accumulator, the boost module charged a battery.
In the present embodiment, described boost module uses DC-DC booster circuit structure, in conjunction with Fig. 1,
Described boost module includes: switch S, inductance L1, switching tube V1, diode VD1, electric capacity C1 and resistance R1, switchs S
One end be connected with cell, the other end is connected with one end of inductance L1, ground connection after inductance L1 other end tandem tap pipe V1,
Connect the positive pole of diode VD1 simultaneously；After electric capacity C1 and resistance R1 composition parallel branch, parallel branch one end is with diode VD1's
Negative pole connects, other end ground connection, and the node that parallel branch is connected with diode VD1 is as the outfan of boost module and accumulator
Connect.
In the present embodiment, described switching tube V1 is audion or metal-oxide-semiconductor.
Described accumulator is Vehicular accumulator cell 24V+, certainly selects the on-vehicle battery of other models equally at this utility model
Protection domain within.
Operation principle of the present utility model is:
Detection module detects the monomer voltage of each cell in set of cells in real time, and by the monomer of each cell
Voltage transmits to master controller, and the monomer voltage received is compared with default threshold value, selects list by master controller one by one
Bulk voltage exceedes the cell of threshold value, and the opening of the corresponding booster circuit of cell that monomer voltage exceedes threshold value
Closing S Guan Bi, make the boost module connection that cell is corresponding, meanwhile, master controller is according to the monomer voltage of cell
Export the pwm control signal control end to corresponding boost module of corresponding dutycycle, after monomer voltage is boosted by boost module
Output, to accumulator, charges a battery, it is achieved the energy of cell too high for monomer voltage is transferred to accumulator, it is achieved
While battery pack balancing, charge a battery, making full use of of energy, reduce the heat that battery pack balancing brings.
Above-described embodiment is this utility model preferably embodiment, but embodiment of the present utility model is not by above-mentioned
The restriction of embodiment, other any without departing from the change made under spirit of the present utility model and principle, modify, replace
In generation, combine, simplify, all should be the substitute mode of equivalence, within being included in protection domain of the present utility model.
Claims (3)
1. an equalizing circuit for boost type energy transfer, including the monomer electricity for detecting each cell in set of cells
Pressure, and the monomer voltage detected is transmitted the detection module to master controller；And according to judging whether monomer voltage exceedes
The threshold value preset, the input of cell and boost module that monomer voltage exceedes threshold value is connected, and is exported corresponding PWM
Control signal is to the master controller controlling end of boost module；It is characterized in that, also include each cell with set of cells
One_to_one corresponding, and according to the pwm control signal of master controller, accumulator is arrived in output after the monomer voltage boosting of input, give and store
The boost module of battery charging；Described boost module uses DC-DC booster circuit structure, and described boost module includes: switch S,
Inductance L1, switching tube V1, diode VD1, electric capacity C1 and resistance R1, one end of switch S is connected with cell, the other end and electricity
One end of sense L1 connects, and ground connection after inductance L1 other end tandem tap pipe V1 connects the positive pole of diode VD1 simultaneously；Electric capacity C1 with
Resistance R1 composition parallel branch after, parallel branch one end is connected with the negative pole of diode VD1, other end ground connection, parallel branch and
The node that diode VD1 connects is connected with accumulator as the outfan of boost module.
The equalizing circuit of boost type energy the most according to claim 1 transfer, it is characterised in that described switching tube V1 is three
Pole pipe or metal-oxide-semiconductor.
3. the equalizing circuit shifted according to the boost type energy described in any one of claim 1-2, it is characterised in that described electric power storage
Pond is Vehicular accumulator cell 24V+.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521115914.9U CN205791574U (en) | 2015-12-26 | 2015-12-26 | A kind of equalizing circuit of boost type energy transfer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521115914.9U CN205791574U (en) | 2015-12-26 | 2015-12-26 | A kind of equalizing circuit of boost type energy transfer |
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| Publication Number | Publication Date |
|---|---|
| CN205791574U true CN205791574U (en) | 2016-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201521115914.9U Active CN205791574U (en) | 2015-12-26 | 2015-12-26 | A kind of equalizing circuit of boost type energy transfer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105553010A (en) * | 2015-12-26 | 2016-05-04 | 惠州市蓝微新源技术有限公司 | Equalization circuit employing boost energy transfer and control method for equalization circuit |
-
2015
- 2015-12-26 CN CN201521115914.9U patent/CN205791574U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105553010A (en) * | 2015-12-26 | 2016-05-04 | 惠州市蓝微新源技术有限公司 | Equalization circuit employing boost energy transfer and control method for equalization circuit |
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