CN204258344U - The charging/discharging apparatus of battery pack - Google Patents
The charging/discharging apparatus of battery pack Download PDFInfo
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- CN204258344U CN204258344U CN201420602515.4U CN201420602515U CN204258344U CN 204258344 U CN204258344 U CN 204258344U CN 201420602515 U CN201420602515 U CN 201420602515U CN 204258344 U CN204258344 U CN 204258344U
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Abstract
The utility model provides a kind of charging/discharging apparatus of battery pack, comprise discharge battery group and rechargeable battery set, pressure reduction is there is between described discharge battery group and rechargeable battery set, connect formation one charging and discharging circuit with rechargeable battery set after a boosting energy-storage battery group that described discharge battery group is connected, described boosting energy-storage battery group is connected to the charging circuit keeping its voltage stabilization.The utility model is by being connected to form a charging and discharging circuit by discharge battery group, boosting energy-storage battery group, rechargeable battery set, during the electric discharge of discharge battery group, boosting energy-storage battery group is as the accessory power supply supplying charging/discharging voltage difference, together with discharge battery group, rechargeable battery set is charged, and boosting energy-storage battery group maintains voltage stabilizing state by charging circuit, can control sense of current always.The utility model have power consumption less, the feature that easy to operate, reliability is high, applied widely.
Description
Technical field
The utility model relates to a kind of charging/discharging apparatus of battery pack.
Background technology
Along with the consumption that is flourish, medium-sized, large-sized battery pack of electronic technology particularly electric vehicle engineering is increasing.And in the production and test process of these battery pack, many charging and discharging processes be used, these job requirements are strict, and workload is large, and it is high to consume energy, and are the weak link of battery production and the rich and influential family accounting for pressure fund.Conventionally, charging device be by AC mains by buck or boost rectification again, become suitable DC power supply, add current regulating device, the battery pack that Shu send Give is to be charged.Discharge equipment is then become direct current with external power to be connected in series in circuit and to add current regulating device form as the accessory power supply of electric discharge.
There is following shortcoming in existing charging device or discharge equipment:
1, charge complete outer power supply, consumes energy high.The charging and discharging currents of module is very large, and the power supply of equipment also will be accomplished very large, and especially fill high-tension battery group, the module of such as 300V or 500V, charging needs boosting, consumes energy more.And boost module generally all adopts DC/DC module, not only equipment cost is high, and itself exists power consumption, is the heavy burden of electrical network.
2, discharge equipment also consumes external power, and the discharge energy of battery wastes completely, also has recovery, becomes AC boosting Hui Kui Give electrical network, operate pretty troublesome.
Summary of the invention
The utility model provide a kind of power consumption less, the charging/discharging apparatus of the battery pack that easy to operate, reliability is high, applied widely.
The technical solution adopted in the utility model is:
The charging/discharging apparatus of battery pack, it is characterized in that: comprise discharge battery group and rechargeable battery set, voltage difference is there is between described discharge battery group and rechargeable battery set, after a boosting energy-storage battery group that described discharge battery group is connected, in parallelly with rechargeable battery set form a charging and discharging circuit, described boosting energy-storage battery group is connected with the charging circuit of the voltage stabilization keeping boosting energy-storage battery group.The utility model is by being connected to form a charging and discharging circuit by discharge battery group, boosting energy-storage battery group, rechargeable battery set, during the electric discharge of discharge battery group, boosting energy-storage battery group is as the accessory power supply supplying charging/discharging voltage difference, together with discharge battery group, rechargeable battery set is charged, and boosting energy-storage battery group maintains voltage stabilizing state by charging circuit, can control sense of current always.Energy-storage battery group of simultaneously boosting, as accessory power supply, can not consume the energy in charging and discharging circuit, can better utilize the energy of discharge battery group.
Further, the magnitude of voltage of the sky electricity state of described discharge battery group is close or equal with the magnitude of voltage of the full electric state of rechargeable battery set with the magnitude of voltage sum of boosting energy-storage battery group.
Further, the theoretical voltage of described discharge battery group and rechargeable battery set and capacity are identical.
Further, a series connection threshold currents device in described charging and discharging circuit.
Further, described discharge battery group is one or more discharge battery groups, described rechargeable battery set is one or more rechargeable battery set, after each discharge battery group and one or the series connection of multiple boosting energy-storage battery group, can form an independent charging and discharging circuit with corresponding rechargeable battery set.
Further, described charging and discharging circuit is provided with discharge and recharge group voltage, electric current and temperature is protected and charge/discharge capacity is tested management system.Charging and discharging circuit is charged to rechargeable battery set after connecting while the electric discharge of discharge battery group, and when reaching discharge and recharge terminal, protective circuit can be protected automatically, and charge/discharge capacity is provided by management system.
The beneficial effects of the utility model:
1, utilize the discharge battery group of low voltage to connect one to boost after energy-storage battery group to high-tension rechargeable battery set charging, by pressure reduction by the energy trasfer in discharge battery group in rechargeable battery set, the charging measurement of rechargeable battery set is completed while the discharge test completing discharge battery group, save the testing time, power consumption is few, and efficiency is high.
2, energy-saving effect is obvious, the energy of discharge battery group electric discharge almost completely for the charging of rechargeable battery set, without the need to the energy inputted from external circuit, therefore on external circuit almost without any bad impact.
3, energy-storage battery group of boosting is only for voltage difference between boost charge battery pack and discharge battery group, play the effect of burning voltage and the control sense of current, even if some reduction of discharge battery group voltage, add this boost voltage, still can keep normal discharge and recharge, there will not be the phenomenon of reverse charge.
4, available multiple low-voltage module is connected to the charging of high pressure module, does not need to improve AC-input voltage.
5, the voltage range be suitable for is wide, and substantially do not limit, various module can use, and effectively can reduce device category, also just reduce equipment investment.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present utility model.
Fig. 2 is another kind of structural representation of the present utility model.
Embodiment
Below in conjunction with specific embodiment, the utility model is further described, but the utility model is not confined to these embodiments.One skilled in the art would recognize that the utility model covers all alternatives, improvement project and the equivalents that may comprise in Claims scope.
Embodiment one
With reference to Fig. 1, the charging/discharging apparatus of battery pack, comprise discharge battery group 1 and rechargeable battery set 2, voltage difference is there is between described discharge battery group 1 and rechargeable battery set 2, after a boosting energy-storage battery group 3 that described discharge battery group 1 is connected, in parallelly with rechargeable battery set 2 form a charging and discharging circuit, described boosting energy-storage battery group 3 is connected with the charging circuit 4 of the voltage stabilization keeping boosting energy-storage battery group 3.The utility model is by being connected to form a charging and discharging circuit by discharge battery group 1, boosting energy-storage battery group 3, rechargeable battery set 2, when discharge battery group 1 is discharged, boosting energy-storage battery group 3 is as the accessory power supply supplying charging/discharging voltage difference, together with discharge battery group 1, rechargeable battery set 2 is charged, and boosting energy-storage battery group 3 maintains voltage stabilizing state by charging circuit 4, can control sense of current always.Energy-storage battery group 3 of simultaneously boosting, as accessory power supply, can not consume the energy in charging and discharging circuit, can better utilize the energy of discharge battery group 1.
The magnitude of voltage of the sky electricity state of discharge battery group 1 described in the utility model is close or equal with the magnitude of voltage of the full electric state of rechargeable battery set 2 with the magnitude of voltage sum of boosting energy-storage battery group 3.When the magnitude of voltage of the sky electricity state of such as discharge battery group 1 is 700V, the full capacity magnitude of voltage of rechargeable battery set 2 is 750V, as long as the full capacity magnitude of voltage of boosting energy-storage battery group 3 gets 50V, discharge and recharge between high-pressure modular by the impact of civil power, does not make the scope of application wide.Theoretical voltage and the capacity of described discharge battery group 1 and rechargeable battery set 2 are identical.
A series connection threshold currents device 5 in charging and discharging circuit described in the utility model.If adopt threshold currents voltage-stabilizing device, constant current charge can be carried out.
The group of discharge battery described in the present embodiment 1 is a discharge battery group, described rechargeable battery set 2 is rechargeable battery set, charging and discharging circuit, after being connected by discharge battery group 1 and one or multiple boosting energy-storage battery group 3, can be connected in parallel composition with corresponding rechargeable battery set 2.
Charging and discharging circuit described in the utility model is provided with to discharge and recharge group voltage, electric current and temperature is protected and charge/discharge capacity is tested management system (not indicating in figure).Charging and discharging circuit is charged to rechargeable battery set after connecting while the electric discharge of discharge battery group, and when reaching discharge and recharge terminal, protection system can be protected automatically, and charge/discharge capacity is provided by capacity recording system.
The utility model carries out energy regenerating by utilizing the pressure reduction between battery pack, makes capacity usage ratio high, and less energy consumption, efficiency is high, and by a boosting energy-storage battery group as accessory power supply, can control sense of current, the energy in circuit can not be consumed, make the scope of application wide.
Embodiment two
With reference to Fig. 2, the difference of the present embodiment and embodiment one is that described discharge battery group 1 is multiple discharge battery groups, described rechargeable battery set 2 is also multiple rechargeable battery set, after each discharge battery group 1 and one or the series connection of multiple boosting energy-storage battery group 3, an independent charging and discharging circuit can be formed with corresponding rechargeable battery set 2.The present embodiment can form multiple charging and discharging circuit, makes efficiency for charge-discharge high.All the other 26S Proteasome Structure and Functions are all identical with embodiment one.
Claims (6)
1. the charging/discharging apparatus of battery pack, it is characterized in that: comprise discharge battery group and rechargeable battery set, voltage difference is there is between described discharge battery group and rechargeable battery set, after a boosting energy-storage battery group that described discharge battery group is connected, in parallelly with rechargeable battery set form a charging and discharging circuit, described boosting energy-storage battery group is connected with the charging circuit of the voltage stabilization keeping boosting energy-storage battery group.
2. the charging/discharging apparatus of battery pack as claimed in claim 1, is characterized in that: the magnitude of voltage of the sky electricity state of described discharge battery group is close or equal with the magnitude of voltage of the full electric state of rechargeable battery set with the magnitude of voltage sum of boosting energy-storage battery group.
3. the charging/discharging apparatus of battery pack as claimed in claim 1, is characterized in that: described discharge battery group is identical with rechargeable battery set theoretical voltage and capacity.
4. the charging/discharging apparatus of battery pack as claimed in claim 1, is characterized in that: a threshold currents device that described charging and discharging circuit is connected.
5. the charging/discharging apparatus of battery pack as claimed in claim 1, it is characterized in that: described discharge battery group is one or more discharge battery groups, described rechargeable battery set is one or more rechargeable battery set, after each discharge battery group and one or the series connection of multiple boosting energy-storage battery group, an independent charging and discharging circuit can be formed with corresponding rechargeable battery set.
6. the charging/discharging apparatus of the battery pack as described in as arbitrary in claim 1 ~ 5, is characterized in that: described charging and discharging circuit is provided with to discharge and recharge group voltage, electric current and temperature is protected and charge/discharge capacity is tested management system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420602515.4U CN204258344U (en) | 2014-10-17 | 2014-10-17 | The charging/discharging apparatus of battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420602515.4U CN204258344U (en) | 2014-10-17 | 2014-10-17 | The charging/discharging apparatus of battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204258344U true CN204258344U (en) | 2015-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420602515.4U Expired - Fee Related CN204258344U (en) | 2014-10-17 | 2014-10-17 | The charging/discharging apparatus of battery pack |
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| Country | Link |
|---|---|
| CN (1) | CN204258344U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107317366A (en) * | 2016-04-27 | 2017-11-03 | 楼志扬 | The parallel extended control of many battery packs and implementation method |
-
2014
- 2014-10-17 CN CN201420602515.4U patent/CN204258344U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107317366A (en) * | 2016-04-27 | 2017-11-03 | 楼志扬 | The parallel extended control of many battery packs and implementation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SUZHOU ANKAO ENERGY CO., LTD. Free format text: FORMER OWNER: XU YULIN Effective date: 20150724 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150724 Address after: Suzhou City, Jiangsu province Suzhou Industrial Park Huahong Street No. 29 Patentee after: ANKAO (SUZHOU) ENERGY Co.,Ltd. Address before: 310018, No. 25, No. 339, Hangzhou economic and Technological Development Zone, Hangzhou, Zhejiang province (can be love) Patentee before: Xu Yulin |
|
| PP01 | Preservation of patent right |
Effective date of registration: 20161031 Granted publication date: 20150408 |
|
| RINS | Preservation of patent right or utility model and its discharge | ||
| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20170430 Granted publication date: 20150408 |
|
| 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: 20150408 Termination date: 20211017 |