CN208820503U - A kind of active equalization of battery device - Google Patents
A kind of active equalization of battery device Download PDFInfo
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- CN208820503U CN208820503U CN201821631189.4U CN201821631189U CN208820503U CN 208820503 U CN208820503 U CN 208820503U CN 201821631189 U CN201821631189 U CN 201821631189U CN 208820503 U CN208820503 U CN 208820503U
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- battery
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- capacitor
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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
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The utility model provides a kind of active equalization of battery device, belongs to energy content of battery balancing technique field, which includes cabinet, top shaft, top plate, handle, installation screw, aerofoil fan and battery equalizing circuit plate.The utility model is using the body structure that can take off lid, single battery, which is put into after can taking off in the body structure of lid, can directly form power battery pack, avoid wiring work cumbersome between battery cell, the equalizing circuit of box house installation simultaneously can use the energy transfer between metal-oxide-semiconductor and capacitor realization battery cell, weak body over-charging of battery electrical phenomena in battery pack is avoided, while improving the whole energy storage of battery pack.
Description
Technical field
The utility model relates to energy content of battery balancing technique field more particularly to a kind of active equalization of battery devices.
Background technique
Battery performance can be caused to decline because of the difference of individual performance when single battery is used in series, due to monomer electricity
The capacity in pond can not be accomplished absolute consistent, therefore weak body battery will determine the overall performance of battery pack, especially in electricity
In the group charge and discharge process of pond, individual difference can be gradually increased, and led to the decaying of battery pack overall performance and reduced service life, be
Avoid weak body battery overcharges electrical phenomena, is divided by the way of parallel resistance in the prior art, and this dissipation is balanced
Mode causes to waste to electric energy.
Utility model content
The utility model provides a kind of active equalization of battery device, and using the body structure that can take off lid, single battery is put
Power battery pack can directly be formed by entering after can taking off in the body structure of lid, avoid wiring work cumbersome between battery cell,
The equalizing circuit of box house installation simultaneously can use the energy transfer between metal-oxide-semiconductor and capacitor realization battery cell, avoid
Weak body over-charging of battery electrical phenomena in battery pack, while improving the whole energy storage of battery pack.
In order to achieve the above objectives, the embodiments of the present invention adopt the following technical scheme that
A kind of active equalization of battery device, which is characterized in that including cabinet, top shaft, top plate, handle, installation screw,
Aerofoil fan and battery equalizing circuit plate, in which:
The top open part of the cabinet is equipped with top plate by top shaft, and handle, institute are provided on the top plate
The one end for stating top plate can be rotated around top shaft, be provided with fixing threaded hole on the other end of the top plate, the cabinet
The position of fixing threaded hole is provided with circular hole, the installation screw passes through circular hole and is used to be connected and fixed screw hole, the top plate
Inner surface is provided with the top metal spring of connection anode；
The cabinet is made of side plate and bottom plate and internal fixed transverse slat, and the side plate front of the cabinet, which is provided with, to be used for
Ventilated ventilative grid, the aerofoil fan are mounted on the side plate back side of the cabinet, and the fixed transverse slat is mounted on side
The middle part of plate and parallel with bottom plate is symmetrically arranged with multiple battery holes for fixing the position of battery, the bottom on fixed transverse slat
Plate top is provided with the groove for accommodating battery equalizing circuit plate, and button is equipped with base plate cover on the groove, is arranged on the base plate cover
There is the bottom metal spring of connection battery cathode；
The battery equalizing circuit plate is mounted on the monitoring and equilibrium for the groove under base plate cover Nei and being used for the energy content of battery,
The input port of battery equalizing circuit plate is separately connected bottom metal spring and top metal spring by conducting wire, and battery passes through bottom metal
The battery pack that spring, top metal spring and conducting wire and composition are serially connected；
The bottom plate is provided with positive terminal, anode connector, the positive terminal close to the position of battery equalizing circuit plate
Connect the anode of battery pack, the cathode of the anode connector connection battery pack；
The battery equalizing circuit plate include metal-oxide-semiconductor, shift the storage capacitor of adjacent cell energy, control circuit and
Detection circuit, power supply, the communication interface, metal-oxide-semiconductor driving circuit being separately connected with the control circuit, the control circuit it is defeated
Outlet connects the grid of metal-oxide-semiconductor by metal-oxide-semiconductor driving circuit to control the work of metal-oxide-semiconductor, in which:
The metal-oxide-semiconductor includes the first metal-oxide-semiconductor, the second metal-oxide-semiconductor, third metal-oxide-semiconductor, the 4th metal-oxide-semiconductor, the 5th metal-oxide-semiconductor；The electricity
Hold includes first capacitor, the second capacitor, third capacitor, the 4th capacitor；The battery includes the first battery being sequentially connected in series, second
Battery, third battery, the 4th battery；
The anode of drain electrode the first battery of connection of first metal-oxide-semiconductor, the one of the source electrode connection first capacitor of the first metal-oxide-semiconductor
Pole, another pole of the first capacitor connect the cathode of the first battery, second metal-oxide-semiconductor be connected in parallel on the both ends of first capacitor and
The source electrode of drain electrode the first metal-oxide-semiconductor of connection, the source electrode of the second metal-oxide-semiconductor of second metal-oxide-semiconductor connect the cathode of the first battery；
The level-one of second capacitor connects the source electrode of the first metal-oxide-semiconductor, and another pole of the second capacitor connects the second battery
Cathode, the third metal-oxide-semiconductor are connected in parallel on the source electrode of drain electrode the first metal-oxide-semiconductor of connection of the both ends of the second capacitor and third metal-oxide-semiconductor, the
The source electrode of three metal-oxide-semiconductors connects the cathode of the second battery；
The level-one of the third capacitor connects the source electrode of the first metal-oxide-semiconductor, another pole connection third battery of third capacitor
Cathode, the 4th metal-oxide-semiconductor are connected in parallel on the source electrode of drain electrode the first metal-oxide-semiconductor of connection of the both ends of third capacitor and the 4th metal-oxide-semiconductor, the
The cathode of the source electrode connection third battery of four metal-oxide-semiconductors；
The source electrode of drain electrode the first metal-oxide-semiconductor of connection, the source electrode of the 5th metal-oxide-semiconductor of 5th metal-oxide-semiconductor connect the 4th battery
Cathode.
Further, the detection circuit uses LTC2943 chip, and the LTC2943 chip is for detecting in battery pack
The temperature and information of voltage of each battery.
Further, the control circuit use MSP430F54 chip, the MSP430F54 chip by SPI mode with
LTC2943 chip communication.
A kind of active equalization of battery device of the utility model has the advantages that
The utility model is provided using the body structure that can take off lid, and single battery is put into after can taking off in the body structure of lid
Power battery pack is directly formed, wiring work cumbersome between battery cell is avoided, becomes more changing jobs for battery very
Simplicity, the body structure is light portable.The equalizing circuit of box house installation simultaneously can use metal-oxide-semiconductor and capacitor is realized
Energy transfer between battery cell, while the battery of charging short-circuit can not be needed, guarantee that other batteries continue to charge, improves
The whole charging-discharging performances of battery pack, avoid weak body battery from dragging down the capacity of battery pack.
Detailed description of the invention
Fig. 1 is a kind of positive structure schematic of active equalization of battery device of the utility model；
Fig. 2 is a kind of structure schematic diagram of active equalization of battery device of the utility model；
Fig. 3 is a kind of schematic diagram of internal structure of active equalization of battery device of the utility model；
Fig. 4 is a kind of fixation transverse plate structure schematic diagram of active equalization of battery device of the utility model；
Fig. 5 is a kind of structural diagram of base plate of active equalization of battery device of the utility model；
Fig. 6 is a kind of battery equalizing circuit plate structural schematic diagram of active equalization of battery device of the utility model；
Fig. 7 is a kind of electrical block diagram of active equalization of battery device of the utility model；
Fig. 8 is a kind of first capacitor charging schematic diagram of active equalization of battery device of the utility model；
Fig. 9 is a kind of first capacitor electric discharge schematic diagram of active equalization of battery device of the utility model.
In figure, 1- cabinet, shaft at the top of 2-, 3- top plate, 4- handle, 5- installation screw, 6- aerofoil fan, 7- battery,
The fixed transverse slat of 101- side plate, 102- bottom plate, 103-, 104- ventilative grid, 1021- positive terminal, 1022- anode connector, 1023-
Bottom metal spring, 1024- base plate cover, 1031- battery hole, 301- top metal spring.
Specific embodiment
Shown in reference to the accompanying drawings, the utility model is further described:
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of active equalization of battery device, including cabinet 1, top shaft 2, top plate 3, handle
4, screw 5, aerofoil fan 6 and battery equalizing circuit plate are installed, in which: the top open part of cabinet 1 pass through top shaft 2
Top plate 3 is installed, handle 4 is provided on top plate 3, handle 4 is for pulling open top plate 3.One end of top plate 3 can surround top shaft
2 rotate, and are provided with fixing threaded hole on the other end of top plate 3, the position of the close fixing threaded hole of cabinet 1 is provided with circular hole, works as top
When plate 3 is closed, installation screw 5 can be used and pass through circular hole for being connected and fixed screw hole, the inner surface of top plate 3, which is provided with, connects electricity
The top metal spring 301 of 7 anode of pond.
Cabinet 1 is made of side plate 101 and bottom plate 102 and internal fixed transverse slat 103, the 101 front setting of side plate of cabinet 1
Have for ventilated ventilative grid 104, aerofoil fan 6 is mounted on 101 back side of side plate of cabinet 1, and battery pack works or fills
When electric along with heat generate, therefore ventilative grid 104 and aerofoil fan 6 can be aerated ventilative with cooperating, be avoided
Thermal accumlation.
Specifically, the installation and replacement of single battery can greatly be facilitated with handle 4 using rotatable top plate 3, it is real
Existing device is detachably connected.
As shown in figure 4, being symmetrically arranged with multiple battery holes 1031 on fixed transverse slat 103 for fixing the position of battery 7, originally
The quantity of battery hole 1031 is 4 in implementation, facilitates 4 series connection of single battery 7 of realization in groups, realizes balancing energy.
As shown in figure 5,102 top of bottom plate is provided with the groove for accommodating battery equalizing circuit plate, button is equipped with bottom plate on groove
Lid 1024 is provided with the bottom metal spring 1023 of connection battery cathode on base plate cover 1024.
Specifically, battery equalizing circuit plate is mounted on the monitoring for the groove under base plate cover 1024 Nei and being used for the energy content of battery
And equilibrium, the input port of battery equalizing circuit plate are separately connected bottom metal spring 1023 and top metal spring 301 by conducting wire, electricity
The battery pack that pond is serially connected by bottom metal spring 1023, top metal spring 301 and conducting wire and composition.Bottom plate 102 is close to electricity
The position of pond equalizing circuit plate is provided with positive terminal 1021, anode connector 1022, and positive terminal 1021 is connecting battery pack just
Pole, anode connector 1022 connect the cathode of battery pack.
Specifically, on the one hand battery equalizing circuit plate acquires the temperature and voltage, calculating of single battery 7 by detection circuit
The energy storage situation of weak body battery 7, the on and off that another aspect controls metal-oxide-semiconductor are realized under transfer or the charging situation of energy
The short circuit of weak body battery 7.
It should be noted that it is 4 single batteries 7 that the circuit in the present embodiment, which is directed to,.
As shown in fig. 6,7 equalizing circuit plate of battery includes metal-oxide-semiconductor, the storage capacitor for shifting 7 energy of adjacent cell, control electricity
Road and the detection circuit being separately connected with control circuit, power supply, communication interface, metal-oxide-semiconductor driving circuit, control circuit it is defeated
Outlet connects the grid of metal-oxide-semiconductor by metal-oxide-semiconductor driving circuit to control the work of metal-oxide-semiconductor.
Specifically, communication interface is for connecting host computer downloading drive control program.
Specifically, detection circuit uses LTC2943 chip, LTC2943 chip is for detecting each battery 7 in 7 groups of battery
Temperature and information of voltage.Control circuit uses MSP430F54 chip, and MSP430F54 chip passes through SPI mode and LTC2943
Chip communication.
As shown in fig. 7, metal-oxide-semiconductor includes the first metal-oxide-semiconductor M1, the second metal-oxide-semiconductor M2, third metal-oxide-semiconductor M3, the 4th metal-oxide-semiconductor M4, the
Five metal-oxide-semiconductor M5；Capacitor includes first capacitor C1, the second capacitor C2, third capacitor C3, the 4th capacitor C4；Battery 7 includes successively going here and there
The first battery B1, the second battery B2, third battery B3, the 4th battery B4 of connection.
The anode of the first battery B1 of drain electrode connection of first metal-oxide-semiconductor M1, the source electrode of the first metal-oxide-semiconductor M1 connect first capacitor C1
A pole, another pole of first capacitor C1 connects the cathode of the first battery B1, and the second metal-oxide-semiconductor M2 is connected in parallel on the two of first capacitor C1
The source electrode of the first metal-oxide-semiconductor M1 of drain electrode connection of end and the second metal-oxide-semiconductor M2, the source electrode of the second metal-oxide-semiconductor M2 connect the first battery B1's
Cathode；
The level-one of second capacitor C2 connects the source electrode of the first metal-oxide-semiconductor M1, and another pole of the second capacitor C2 connects the second battery
The cathode of B2, third metal-oxide-semiconductor M3 is connected in parallel on the both ends of the second capacitor C2 and the drain electrode of third metal-oxide-semiconductor M3 connects the first metal-oxide-semiconductor M1
Source electrode, third metal-oxide-semiconductor M3 source electrode connect the second battery B2 cathode；
The level-one of third capacitor C3 connects the source electrode of the first metal-oxide-semiconductor M1, and another pole of third capacitor C3 connects third battery
The cathode of B3, the 4th metal-oxide-semiconductor M4 is connected in parallel on the both ends of third capacitor C3 and the drain electrode of the 4th metal-oxide-semiconductor M4 connects the first metal-oxide-semiconductor M1
Source electrode, the 4th metal-oxide-semiconductor M4 source electrode connection third battery B3 cathode；
The source electrode of the first metal-oxide-semiconductor M1 of drain electrode connection, the source electrode of the 5th metal-oxide-semiconductor M5 of 5th metal-oxide-semiconductor M5 connects the 4th battery
The cathode of B4.
In actual work, in the case where integrally charging to battery pack, when detection circuit detects the voltage of some battery
It rising rapidly when will be more than ceiling voltage, corresponding metal-oxide-semiconductor closure carries out short circuit for weak body battery in a charging situation,
The case where overcharging is avoided, such as when the first battery B1 overtension, control circuit issues driving signal and is closed the first metal-oxide-semiconductor
M1 and the second metal-oxide-semiconductor M2.
When needing to shift the energy between battery, storage capacitor can use.Specifically, when the first battery B1 voltage
When higher than the latter the second battery B2 voltage, it is closed the first metal-oxide-semiconductor M1, at this time by the first battery B1, the first metal-oxide-semiconductor M1 and the
One capacitor C1 forms circuit, and first capacitor C1 charges, as shown in Figure 8；When first capacitor C1 voltage and second the second battery B2
Voltage difference be greater than 5v when, disconnect the first metal-oxide-semiconductor M1, be closed the second metal-oxide-semiconductor M2, by first capacitor C1, the second battery B2, third
Metal-oxide-semiconductor M3 forms circuit, and first capacitor C1 charges to the second battery B2, as shown in Figure 9.When the second battery B2 is relative to the first electricity
When pond B1 and third battery B3 voltage difference range are 1-2v, by being closed third metal-oxide-semiconductor M3 and the second metal-oxide-semiconductor M2, i.e., at this time the
Two battery B2 are in short-circuit condition, and charging current will not be using, and voltage will remain unchanged as, be repeated in the second battery B2,
Third battery B3 to the 4th battery B4 charges until meeting concatenated second battery B2 equilibrium；By controlling two electricity
Whether cell voltage phase difference automatically controls and needs to shift energy.
For the utility model using 1 structure of cabinet that can take off lid, single battery is direct after being put into 1 structure of cabinet for can take off lid
Power battery pack is formed, avoids wiring work cumbersome between battery cell, while the equalizing circuit of box house installation can
To realize the energy transfer between battery cell using metal-oxide-semiconductor and capacitor, while the battery of charging short-circuit can not be needed, guaranteed
Other batteries continue to charge, and improve the whole charging-discharging performances of battery pack.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that:
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement；And these are modified or replaceed, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution
The spirit and scope of scheme.
Claims (3)
1. a kind of active equalization of battery device, which is characterized in that including cabinet, top shaft, top plate, handle, installation screw, axis
Flow fan and battery equalizing circuit plate, in which:
The top open part of the cabinet is equipped with top plate by top shaft, and handle, the top are provided on the top plate
One end of plate can be rotated around top shaft, be provided with fixing threaded hole on the other end of the top plate, the cabinet it is close
The position of fixing threaded hole is provided with circular hole, and the installation screw passes through circular hole for being connected and fixed screw hole, the interior table of the top plate
Face is provided with the top metal spring of connection anode；
The cabinet is made of side plate and bottom plate and internal fixed transverse slat, and the side plate front of the cabinet is provided with for divulging information
Ventilative ventilative grid, the aerofoil fan are mounted on the side plate back side of the cabinet, and the fixed transverse slat is mounted on side plate
Middle part and parallel with bottom plate is symmetrically arranged with multiple battery holes on fixed transverse slat for fixing the position of battery, on the bottom plate
Portion is provided with the groove for accommodating battery equalizing circuit plate, and button is equipped with base plate cover, the company of being provided on the base plate cover on the groove
Connect the bottom metal spring of battery cathode；
The battery equalizing circuit plate is mounted on the monitoring and equilibrium for the groove under base plate cover Nei and being used for the energy content of battery, battery
The input port of equalizing circuit plate is separately connected bottom metal spring and top metal spring by conducting wire, battery by bottom metal spring,
The battery pack that top metal spring and conducting wire and composition are serially connected；
The bottom plate is provided with positive terminal, anode connector, the positive terminal connection close to the position of battery equalizing circuit plate
The anode of battery pack, the cathode of the anode connector connection battery pack；
The battery equalizing circuit plate include metal-oxide-semiconductor, shift the storage capacitor of adjacent cell energy, control circuit and with institute
State detection circuit, power supply, communication interface, metal-oxide-semiconductor driving circuit that control circuit is separately connected, the delivery outlet of the control circuit
The grid of metal-oxide-semiconductor is connected by metal-oxide-semiconductor driving circuit to control the work of metal-oxide-semiconductor, in which:
The metal-oxide-semiconductor includes the first metal-oxide-semiconductor, the second metal-oxide-semiconductor, third metal-oxide-semiconductor, the 4th metal-oxide-semiconductor, the 5th metal-oxide-semiconductor；The capacitor packet
Include first capacitor, the second capacitor, third capacitor, the 4th capacitor；The battery includes the first battery being sequentially connected in series, the second electricity
Pond, third battery, the 4th battery；
The anode of drain electrode the first battery of connection of first metal-oxide-semiconductor, a pole of the source electrode connection first capacitor of the first metal-oxide-semiconductor,
Another pole of the first capacitor connects the cathode of the first battery, and second metal-oxide-semiconductor is connected in parallel on the both ends of first capacitor and the
The source electrode of drain electrode the first metal-oxide-semiconductor of connection, the source electrode of the second metal-oxide-semiconductor of two metal-oxide-semiconductors connect the cathode of the first battery；
The level-one of second capacitor connects the source electrode of the first metal-oxide-semiconductor, and another pole of the second capacitor connects the cathode of the second battery,
The third metal-oxide-semiconductor is connected in parallel on source electrode, the 3rd MOS of drain electrode the first metal-oxide-semiconductor of connection of the both ends of the second capacitor and third metal-oxide-semiconductor
The source electrode of pipe connects the cathode of the second battery；
The level-one of the third capacitor connects the source electrode of the first metal-oxide-semiconductor, and another pole of third capacitor connects the cathode of third battery,
4th metal-oxide-semiconductor is connected in parallel on source electrode, the 4th MOS of drain electrode the first metal-oxide-semiconductor of connection of the both ends of third capacitor and the 4th metal-oxide-semiconductor
The cathode of the source electrode connection third battery of pipe；
The source electrode of drain electrode the first metal-oxide-semiconductor of connection, the source electrode of the 5th metal-oxide-semiconductor of 5th metal-oxide-semiconductor connect the cathode of the 4th battery.
2. active equalization of battery device according to claim 1, which is characterized in that the detection circuit uses LTC2943
Chip, the LTC2943 chip are used to detect the temperature and information of voltage of each battery in battery pack.
3. active equalization of battery device according to claim 2, which is characterized in that the control circuit uses
MSP430F54 chip, the MSP430F54 chip pass through SPI mode and LTC2943 chip communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821631189.4U CN208820503U (en) | 2018-10-09 | 2018-10-09 | A kind of active equalization of battery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821631189.4U CN208820503U (en) | 2018-10-09 | 2018-10-09 | A kind of active equalization of battery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208820503U true CN208820503U (en) | 2019-05-03 |
Family
ID=66279373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821631189.4U Active CN208820503U (en) | 2018-10-09 | 2018-10-09 | A kind of active equalization of battery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208820503U (en) |
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2018
- 2018-10-09 CN CN201821631189.4U patent/CN208820503U/en active Active
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