CN203445672U - Auxiliary charging device of storage battery pack - Google Patents
Auxiliary charging device of storage battery pack Download PDFInfo
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- CN203445672U CN203445672U CN201320595611.6U CN201320595611U CN203445672U CN 203445672 U CN203445672 U CN 203445672U CN 201320595611 U CN201320595611 U CN 201320595611U CN 203445672 U CN203445672 U CN 203445672U
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- storage battery
- contact
- charging device
- auxiliary charging
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Abstract
The utility model relates to the storage battery field, in particular to an auxiliary charging device of a storage battery pack. The auxiliary charging device of the storage battery pack comprises the storage battery pack, a storage battery selection circuit, an auxiliary charger and a controller. The two output ends of the storage battery pack are connected with an externally-mounted storage battery charger separately, the storage battery pack is also connected with the auxiliary charger and the controller separately via the storage battery selection circuit, and the controller is used to control the storage battery selection circuit to connect any one storage battery in the storage battery pack with the auxiliary charger. The auxiliary charging device of the storage battery pack provided by the utility model enables the electric energy of a storage battery of which the electric energy is less than other storage batteries to be consistent with the charged electric energy of the other storage batteries, thereby preventing the battery of which the electric energy is less than other storage batteries from being charged insufficiently, and prolonging the use time of the storage battery pack.
Description
Technical field
The utility model relates to storage battery field, in particular to batteries auxiliary charging device.
Background technology
The power of electric motor car is storage battery, because single storage battery energy is inadequate, therefore with 4-5 12V storage battery, is connected into the batteries such as 48V, 60V and drives electric motor car to travel.
Storage battery is to obtain electric energy by electrochemical reaction, and due to material and processing, the magnitude of voltage of each storage battery has certain deviation.When forming batteries, must carry out voltage pairing, require the voltage of each storage battery of batteries identical.Because each storage battery is tandem working, the charging current of each storage battery and discharging current are identical, but because the pole plate of internal storage battery has certain error, and through after charging and discharging repeatedly, the voltage of each storage battery will change.To each storage battery, this variation is not identical, therefore has indivedual other storage batterys of storage battery pressure ratio lower, and we call " behindhand battery " this storage battery.As said above, batteries tandem working, the electric current of charging, electric discharge is identical, so, to each storage battery, two outputs of batteries are connected to respectively to external storage battery charger, energy=charging current * battery tension * charging interval that batteries is filled with.In when charging, charging current and time are identical, and corresponding to other storage batterys, " behindhand battery " will undercharge, and through repeatedly discharging and recharging, the voltage of this storage battery can be more and more low, finally makes batteries scrap.
Utility model content
The purpose of this utility model is to provide batteries auxiliary charging device, to solve the above problems.
A kind of batteries auxiliary charging device is provided in embodiment of the present utility model, has comprised batteries, storage battery selection circuit, auxiliary charging device and controller; Two outputs of described batteries are connected to respectively external storage battery charger; Described batteries also selects circuit to be connected to described auxiliary charging device and described controller by described storage battery; Described controller selects circuit that any storage battery of described batteries is connected with described auxiliary charging device for controlling described storage battery.
The batteries auxiliary charging device that the utility model embodiment provides comprises batteries, storage battery selection circuit, auxiliary charging device and controller.Two outputs of batteries are connected to respectively external storage battery charger, and this batteries also selects circuit to be connected to auxiliary charging device and controller by storage battery.When batteries is charged, external storage battery charger is batteries input charging current, meanwhile, controller is controlled storage battery and is selected circuit that " behindhand battery " in batteries is connected with auxiliary charging device, make auxiliary charging device for " behindhand battery " input supplemental current, this batteries is when charging, the charging current of " behindhand battery " is greater than the charging current of other storage batterys, thereby make " behindhand battery " consistent with the electric energy that other storage battery fills, avoid " behindhand battery " undercharge, extend the service time of batteries.
Accompanying drawing explanation
Fig. 1 shows the system diagram of the batteries auxiliary charging device of the utility model embodiment;
Fig. 2 shows the circuit theory diagrams of the batteries auxiliary charging device of the utility model embodiment.
Embodiment
Below by specific embodiment, also by reference to the accompanying drawings the utility model is described in further detail.
An auxiliary charging device, comprises batteries 102, storage battery selection circuit 105, auxiliary charging device 104 and controller 103 as depicted in figs. 1 and 2; Two outputs of described batteries 102 are connected to respectively external storage battery charger 101; Described batteries 102 also selects circuit 105 to be connected to described auxiliary charging device 104 and described controller 103 by described storage battery; Described controller 103 selects circuit 105 that any storage battery of described batteries 102 is connected with described auxiliary charging device 104 for controlling described storage battery.
The batteries auxiliary charging device that the utility model embodiment provides comprises batteries, storage battery selection circuit, auxiliary charging device and controller.Two outputs of batteries are connected to respectively external storage battery charger, and this batteries also selects circuit to be connected to auxiliary charging device and controller by storage battery.When batteries is charged, external storage battery charger is batteries input charging current, meanwhile, controller is controlled storage battery and is selected circuit that " behindhand battery " in batteries is connected with auxiliary charging device, make auxiliary charging device for " behindhand battery " input supplemental current, this batteries is when charging, the charging current of " behindhand battery " is greater than the charging current of other storage batterys, thereby make " behindhand battery " consistent with the electric energy that other storage battery fills, avoid " behindhand battery " undercharge, extend the service time of batteries.
Wherein particularly, described batteries comprises storage battery B1, storage battery B2, storage battery B3, storage battery B4; Described storage battery B1, storage battery B2, storage battery B3, storage battery B4 connect successively.This batteries can comprise the storage battery that four output voltages are 12V, and four storage batterys are connected into batteries, are used to electric motor car that electric energy is provided.Certainly, this batteries can also form 36V batteries by 3 12V storage batterys, or forms 60V batteries by 5 12V storage batterys, or the storage battery of other any amount free voltage forms batteries.
In addition, described storage battery selects circuit to comprise transfer contact J1-1, transfer contact J2-1, transfer contact J3-1, transfer contact J4-1, the relay J 1 being connected with described controller respectively, relay J 2, relay J 3 and relay J 4.
The circuit of circuit connecting relation select to(for) this storage battery, is specially: described relay J 1 is controlled the action of described transfer contact J1-1; The contact 11 that described transfer contact J1-1 arranges is connected with the negative pole of described storage battery B1; Contact 12 and contact 13 that described transfer contact J1-1 arranges are connected with the positive pole of described storage battery B1 respectively; The contact 14 that described transfer contact J1-1 arranges is connected with the positive pole of described storage battery B2; The contact 15 that described transfer contact J1-1 arranges is connected with the contact 31 that described transfer contact J3-1 arranges; The contact 16 that described transfer contact J1-1 arranges is connected with the contact 33 that described transfer contact J3-1 arranges.
Described relay J 2 is controlled the action of described transfer contact J2-1; The contact 21 that described transfer contact J2-1 arranges is connected with the negative pole of described storage battery B3; Contact 22 and contact 23 that described transfer contact J2-1 arranges are connected with the positive pole of described storage battery B3 respectively; The contact 24 that described transfer contact J2-1 arranges is connected with the positive pole of described storage battery B4; The contact 25 that described transfer contact J2-1 arranges is connected with the contact 32 that described transfer contact J3-1 arranges; The contact 26 that described transfer contact J2-1 arranges is connected with the contact 34 that described transfer contact J3-1 arranges.
Described relay J 3 is controlled the action of described transfer contact J3-1; The contact 35 that described transfer contact J3-1 arranges is connected with the contact 41 that described transfer contact J4-1 arranges; The contact 36 that described transfer contact J3-1 arranges is connected with the contact 42 that described transfer contact J4-1 arranges; The contact 44 that described transfer contact J4-1 arranges is connected with an output point of the output of described auxiliary charging device; The contact 46 that described transfer contact J4-1 arranges is connected with another output point of the output of described auxiliary charging device.
This storage battery selects circuit any one storage battery can be connected with auxiliary charging device separately, makes auxiliary charging device provide charging current for this single storage battery.Particularly, when relay J 1, relay J 2 and the equal dead electricity of relay J 3, relay J 4 when electric, the contact 11 of transfer contact J1-1 is connected with the negative pole of storage battery B1, the contact 13 of transfer contact J1-1 is connected with the positive pole of storage battery B1, the contact 41 of transfer contact J4-1 is connected with contact 44, and contact 42 is connected with contact 46, and now storage battery B1 is communicated with auxiliary charging device.Principle according to this, when relay J 1, relay J 2 and relay J 4 electric, during relay J 3 dead electricity, now storage battery B2 is communicated with auxiliary charging device; When relay J 1, relay J 2 dead electricity, relay J 3 and relay J 4 when electric, now storage battery B3 is communicated with auxiliary charging device; When relay J 1, relay J 2, relay J 3 and relay J 4 all when electric, now storage battery B4 is communicated with auxiliary charging device.
For the ease of differentiating " behindhand battery " in this batteries, the contact 43 that described transfer contact J4-1 arranges is connected with an input point of described controller; The contact 45 that described transfer contact J4-1 arranges is connected with another input point of described controller.Be controller control relay J4 dead electricity, the contact 41 of transfer contact J4-1 is connected with contact 43, and contact 42 is connected with contact 45, and single storage battery will be connected with controller.Particularly, can by controller control relay J1, relay J 2 and relay J 3 electric and dead electricity are controlled being connected of any one storage battery and controller.After single storage battery is connected with controller, controller detects the voltage of this storage battery, when this voltage lower than this batteries in during the average voltage of each storage battery, can judge that this storage battery is as " behindhand battery ", then controller again control relay J4 obtain electric, this " behindhand battery " is connected with auxiliary charging device, thereby for should " behindhand battery " providing supplemental current, the electric energy that this storage battery is filled is consistent with the electric energy that other storage battery fills.
Wherein, described auxiliary charging device is connected with described controller, is used to described controller power supply.This auxiliary charging device is single storage battery power supply on the one hand, is also the work power supply of this controller on the other hand.
Further, described controller is also connected with described auxiliary charging device by control line, selects the break-make of circuit for controlling described auxiliary charging device and described storage battery.Being controller when operation, is not storage battery selection circuit supply in order to make this auxiliary charging device, and the output that controller can be controlled this auxiliary charging device opens circuit, and makes this auxiliary charging device safer controlled.
Preferably, the input of described auxiliary charging device is connected with described external storage battery charger.This auxiliary charging device does not need external external power source, when battery charging, directly the input of auxiliary charging device is connected on external storage battery charger, more convenient.
Wherein, the input voltage of described auxiliary charging device is 48V; Described auxiliary charging device is that the voltage that described storage battery selects circuit to export is 12V; The voltage that described auxiliary charging device provides for described controller is 5V.
For the controller in this batteries auxiliary charging device, this controller can be preferably single-chip microcomputer.This single-chip microcomputer is controlled automatically to this batteries auxiliary charging device, makes each storage battery in this batteries improve the useful life of batteries in good state, reduces the cost of this batteries auxiliary charging device simultaneously.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection range of the present utility model.
Claims (9)
1. a batteries auxiliary charging device, is characterized in that, comprises batteries, storage battery selection circuit, auxiliary charging device and controller;
Two outputs of described batteries are connected to respectively external storage battery charger; Described batteries also selects circuit to be connected to described auxiliary charging device and described controller by described storage battery;
Described controller selects circuit that any storage battery of described batteries is connected with described auxiliary charging device for controlling described storage battery.
2. batteries auxiliary charging device according to claim 1, is characterized in that, described batteries comprises storage battery B1, storage battery B2, storage battery B3, storage battery B4;
Described storage battery B1, storage battery B2, storage battery B3, storage battery B4 connect successively.
3. batteries auxiliary charging device according to claim 2, it is characterized in that, described storage battery selects circuit to comprise transfer contact J1-1, transfer contact J2-1, transfer contact J3-1, transfer contact J4-1, the relay J 1 being connected with described controller respectively, relay J 2, relay J 3 and relay J 4;
Described relay J 1 is controlled the action of described transfer contact J1-1; The contact 11 that described transfer contact J1-1 arranges is connected with the negative pole of described storage battery B1; Contact 12 and contact 13 that described transfer contact J1-1 arranges are connected with the positive pole of described storage battery B1 respectively; The contact 14 that described transfer contact J1-1 arranges is connected with the positive pole of described storage battery B2; The contact 15 that described transfer contact J1-1 arranges is connected with the contact 31 that described transfer contact J3-1 arranges; The contact 16 that described transfer contact J1-1 arranges is connected with the contact 33 that described transfer contact J3-1 arranges;
Described relay J 2 is controlled the action of described transfer contact J2-1; The contact 21 that described transfer contact J2-1 arranges is connected with the negative pole of described storage battery B3; Contact 22 and contact 23 that described transfer contact J2-1 arranges are connected with the positive pole of described storage battery B3 respectively; The contact 24 that described transfer contact J2-1 arranges is connected with the positive pole of described storage battery B4; The contact 25 that described transfer contact J2-1 arranges is connected with the contact 32 that described transfer contact J3-1 arranges; The contact 26 that described transfer contact J2-1 arranges is connected with the contact 34 that described transfer contact J3-1 arranges;
Described relay J 3 is controlled the action of described transfer contact J3-1; The contact 35 that described transfer contact J3-1 arranges is connected with the contact 41 that described transfer contact J4-1 arranges; The contact 36 that described transfer contact J3-1 arranges is connected with the contact 42 that described transfer contact J4-1 arranges; The contact 44 that described transfer contact J4-1 arranges is connected with an output point of the output of described auxiliary charging device; The contact 46 that described transfer contact J4-1 arranges is connected with another output point of the output of described auxiliary charging device.
4. batteries auxiliary charging device according to claim 3, is characterized in that, the contact 43 that described transfer contact J4-1 arranges is connected with an input point of described controller; The contact 45 that described transfer contact J4-1 arranges is connected with another input point of described controller.
5. batteries auxiliary charging device according to claim 4, is characterized in that, described auxiliary charging device is connected with described controller, is used to described controller power supply.
6. batteries auxiliary charging device according to claim 5, is characterized in that, described controller is also connected with described auxiliary charging device by control line, selects the break-make of circuit for controlling described auxiliary charging device and described storage battery.
7. batteries auxiliary charging device according to claim 6, is characterized in that, the input of described auxiliary charging device is connected with described external storage battery charger.
8. batteries auxiliary charging device according to claim 7, is characterized in that, the input voltage of described auxiliary charging device is 48V; Described auxiliary charging device is that the voltage that described storage battery selects circuit to export is 12V; The voltage that described auxiliary charging device provides for described controller is 5V.
9. according to the batteries auxiliary charging device described in any one in claim 1-8, it is characterized in that, described controller is single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320595611.6U CN203445672U (en) | 2013-09-25 | 2013-09-25 | Auxiliary charging device of storage battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320595611.6U CN203445672U (en) | 2013-09-25 | 2013-09-25 | Auxiliary charging device of storage battery pack |
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| Publication Number | Publication Date |
|---|---|
| CN203445672U true CN203445672U (en) | 2014-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320595611.6U Expired - Fee Related CN203445672U (en) | 2013-09-25 | 2013-09-25 | Auxiliary charging device of storage battery pack |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115514046A (en) * | 2022-09-27 | 2022-12-23 | 湖南丰日电源电气股份有限公司 | Intelligent battery life prolonging management system and battery life prolonging method |
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2013
- 2013-09-25 CN CN201320595611.6U patent/CN203445672U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115514046A (en) * | 2022-09-27 | 2022-12-23 | 湖南丰日电源电气股份有限公司 | Intelligent battery life prolonging management system and battery life prolonging method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140219 Termination date: 20170925 |