CN202564995U - Multichannel battery pack charge-discharge control device - Google Patents
Multichannel battery pack charge-discharge control device Download PDFInfo
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- CN202564995U CN202564995U CN2012202223496U CN201220222349U CN202564995U CN 202564995 U CN202564995 U CN 202564995U CN 2012202223496 U CN2012202223496 U CN 2012202223496U CN 201220222349 U CN201220222349 U CN 201220222349U CN 202564995 U CN202564995 U CN 202564995U
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Abstract
一种多路电池组充放电控制装置，包括至少两组充电控制开关，各组充电控制开关一端分别与相应的电池包正极相连，电池包个数与充电控制开关组数相同，各组充电控制开关另一端均与光伏阵列输出端相连，负载经放电控制开关与光伏阵列输出端相连。本实用新型结构简单，无需使用光伏控制器。使用本实用新型，可通过光伏阵列对多个电池包进行分时充电以及分时放电，解决了使用太阳能为多个镍氢电池包充电的限制，能有效防止各电池组之间产生自发充放电。
A charging and discharging control device for a multi-channel battery pack, comprising at least two groups of charging control switches, one end of each group of charging control switches is respectively connected to the positive pole of the corresponding battery pack, the number of battery packs is the same as the number of charging control switch groups, and each group of charging control switches The other ends of the switch are connected to the output end of the photovoltaic array, and the load is connected to the output end of the photovoltaic array through the discharge control switch. The utility model has a simple structure and does not need to use a photovoltaic controller. Using the utility model, multiple battery packs can be charged and discharged time-sharingly through the photovoltaic array, which solves the limitation of using solar energy to charge multiple nickel-metal hydride battery packs, and can effectively prevent spontaneous charging and discharging between battery packs .
Description
Technical field
The utility model relates to a kind of multichannel battery set charge/discharge control device.
Background technology
Along with being rooted in the hearts of the people of energy-conserving and environment-protective, but more or less there are the short slab effect in environmental protection and the less relatively solar power generation applied more and more of restriction as the battery that stores the solar power generation energy.Use maximum lead-acid battery volumes and have heavy metal pollution more greatly and inevitably, and also there is the charge-current limit problem in green Ni-MH battery.At present; Through photovoltaic controller power brick is carried out energy storage and power supply mostly in the prior art; But the power brick quantity that photovoltaic controller is attached troops to a unit is defined as one; Can not carry out energy storage and power supply control for a plurality of power brick, often can not meet consumers' demand, and also not have the minimum charge current defencive function.
Chinese patent 200720050444.1 discloses a kind of many battery set charge/discharges administrative system apparatus, and it is necessary for each power brick and is equipped with corresponding independent load, and then this device is with ineffective if use common load, and the scope of application is little.
The utility model content
The technical problem that the utility model will solve is, overcomes the above-mentioned defective that prior art exists, and providing a kind of can carry out energy storage and power supply for a plurality of power brick, multichannel battery set charge/discharge control device applied widely.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of multichannel battery set charge/discharge control device; Comprise at least two group charging control switches; Each is organized charging control switch one end and links to each other with the corresponding battery bag is anodal respectively; The power brick number is identical with charging control switch group number, and each is organized the charging control switch other end and all links to each other with the photovoltaic array output, and load links to each other with the photovoltaic array output through discharge control switch.
Above-mentionedly respectively organize charging control switch and discharge control switch all can be controlled by the MCU circuit.
Further, said photovoltaic array output also is provided with the counnter attack diode, and counnter attack diode cathode end links to each other with the photovoltaic array output, and counnter attack diode cathode end links to each other with discharge control switch with each group charging control switch.
Further; Every group of charging control switch includes the N-MOS switching tube I and the N-MOS switching tube II of two differential concatenations; N-MOS switching tube I source electrode links to each other with N-MOS switching tube II source electrode, and the drain electrode of N-MOS switching tube I connects discharge control switch and photovoltaic array output, and the drain electrode of N-MOS switching tube II links to each other with the respective battery bag is anodal; N-MOS switching tube I grid is with N-MOS switching tube II grid and connect after optocoupler links to each other with driving power, and the optocoupler control end is used for input control signal.
Further, be provided with voltage stabilizing didoe between said N-MOS switching tube I grid and the source electrode, be provided with resistance between N-MOS switching tube II grid and the source electrode.
Further, said N-MOS switching tube I and N-MOS switching tube II are milliohm level N-MOS pipe.
Further, discharge control switch is also selected milliohm level N-MOS switching tube for use, and the source electrode of N-MOS switching tube links to each other with load, and the drain electrode of N-MOS switching tube links to each other with the photovoltaic array output.
Further, said power brick can substitute with Ni-MH battery, when being beneficial to reduce the Ni-MH battery charging to the requirement for restriction of minimum charge current.Ni-MH battery has the good low-temperature flash-over characteristic, and self-discharge rate is very little, and does not contain Toxic matter, does not pollute the environment, and is green storage battery, and long service life can satisfy the application demand under the operational environments such as street lamp; Than traditional lead acid batteries, volume is littler, and efficient is influenced by ambient temperature less; And lead is noxious substance, thereby more environmental protection of Ni-MH battery, and the scope of application is wider.
Consider the unsteadiness of solar irradiation; Photovoltaic array possibly repeatedly charge to power brick every day; The switch life of switching device must take into full account, and the access times of relay are much smaller than the access times of metal-oxide-semiconductor, take all factors into consideration the conducting consume after; Can select milliohm level metal-oxide-semiconductor, the utility model is selected milliohm level N-MOS pipe for use.
Each road power brick all adopts two milliohm level N-MOS pipe differential concatenations to control as switch.Add a milliohm level N-MOS pipe as discharge control switch at the load leading portion, help preventing photovoltaic array in to the power brick charging to electric.When power brick was given load discharge, the counnter attack diode that the photovoltaic array output adds helped protection to the photovoltaic array reverse charging.
Compare with photovoltaic controller in the past, the utility model can use one or more power brick, and the negative pole of all power brick is public, has realized the minimum charge current protection.Each power brick can realize intermittent work, has eliminated between the power brick consistency difference to the influence in power brick life-span, helps prolonging battery useful life, guarantees that battery is safe in utilization.
The utility model is simple in structure, need not to use photovoltaic controller.Use the utility model, can carry out time-sharing charging and timesharing discharge to a plurality of power brick through photovoltaic array, having solved and having used solar energy is the restriction of a plurality of Ni-MH battery bag chargings, can effectively prevent to produce between each battery pack spontaneous discharging and recharging.
Description of drawings
Fig. 1 is the utility model one embodiment overall structure block diagram;
Fig. 2 is one group of charging control switch embodiment illustrated in fig. 1 and power brick package assembly sketch map.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described further.
With reference to Fig. 1; Present embodiment comprises N group charging control switch (first group of charging control switch 2-1, second group of charging control switch 2-2 ... N group charging control switch 2-N); Each is organized charging control switch one end and links to each other with the corresponding battery bag is anodal respectively; The power brick number is N (the first power brick 6-1, the second power brick 6-2 ... N power brick 6-N); Identical with charging control switch group number, each is organized the charging control switch other end and links to each other with photovoltaic array 1 output, and load 3 links to each other with photovoltaic array 1 output through discharge control switch 4.
Each organizes charging control switch and discharge control switch is controlled by the MCU circuit.
First group of charging control switch 2-1 one end links to each other with the first power brick 6-1 is anodal; Second group of charging control switch 2-2 one end links to each other with the second power brick 6-2 is anodal; N group charging control switch 2-N one end links to each other with N power brick 6-N is anodal, and first group of charging control switch 2-1 other end, second group of the charging control switch 2-2 other end, N group charging control switch 2-N other end all link to each other with photovoltaic array 1 output.
Photovoltaic array 1 output also is provided with counnter attack diode 5, and counnter attack diode 5 positive terminals link to each other with the photovoltaic array output, and counnter attack diode 5 negative pole ends link to each other with discharge control switch 4 with each group charging control switch.
Every group of charging control switch includes the N-MOS switching tube I and the N-MOS switching tube II of two differential concatenations.With reference to Fig. 2, be that example describes with first group of charging control switch 2-1.First group of charging control switch 2-1 includes the N-MOS switching tube I 2-6 and the N-MOS switching tube II 2-7 of two differential concatenations; N-MOS switching tube I 2-6 source electrode links to each other with N-MOS switching tube II 2-7 source electrode; N-MOS switching tube I 2-6 drain electrode connects discharge control switch 4 and photovoltaic array 1 output; First group of charging control switch 2-1 links to each other with the first power brick 6-1 is anodal through the drain electrode of N-MOS switching tube II 2-7; N-MOS switching tube I 2-6 grid is with N-MOS switching tube II 2-7 grid and connect after optocoupler 2-2 links to each other with driving power 2-4, and optocoupler 2-2 control end 2-8 is used for input control signal.Be provided with voltage stabilizing didoe 2-5 between said N-MOS switching tube I 2-6 grid and the source electrode, be provided with resistance 2-3 between N-MOS switching tube II 2-7 grid and the source electrode.Said N-MOS switching tube I 2-6 and N-MOS switching tube II 2-7 are milliohm level N-MOS pipe.
Discharge control switch 4 is also selected milliohm level N-MOS switching tube for use, and the source electrode of said N-MOS switching tube links to each other with load, and the drain electrode of N-MOS switching tube links to each other with the photovoltaic array output.
With reference to Fig. 2, in the utility model, between drain electrode of each N-MOS pipe and the source electrode parasitic diode is arranged, i.e. body diode, the body diode of N-MOS pipe is to point to drain electrode by source electrode.Owing to have a plurality of power brick, if only adopt a N-MOS management and control system, when wherein one tunnel power brick just might be to other power brick chargings when discharging and recharging.The N-MOS pipe differential concatenation of two belt body diodes of employing is controlled then as switch and can be avoided this situation.
Consider the needs of battery large current charge and the restriction of photovoltaic array power output; One group of charging control switch of each conducting during charging; The charging control switch that should organize except that conducting during discharge; Also with the conducting discharge control switch, all the other are respectively organized charging control switch and are in closed condition, are specifically controlled by the MCU circuit.
During charging, photovoltaic array 1 is through counnter attack diode 5, and the N-MOS switching tube I and the N-MOS switching tube II of certain the group charging control switch through the while conducting are charged to the power brick that links to each other with this group charging control switch; All the other N-MOS switching tube I and N-MOS switching tube II of respectively organizing charging control switch all are in off-state, and the corresponding battery bag also is in the state of shelving.During discharge, discharge to load 3 in the wherein charging control switch of one tunnel power brick through being attached thereto, and discharge control switch 4 backs, owing to have counnter attack diode 5 to exist, and can't be to photovoltaic array 1 charging.
Claims (6)
1. multichannel battery set charge/discharge control device; It is characterized in that; Comprise at least two group charging control switches, each is organized charging control switch one end and links to each other with the corresponding battery bag is anodal respectively, and the power brick number is identical with charging control switch group number; Each is organized the charging control switch other end and all links to each other with the photovoltaic array output, and load links to each other with the photovoltaic array output through discharge control switch.
2. multichannel battery set charge/discharge control device according to claim 1; It is characterized in that; Said photovoltaic array output also is provided with the counnter attack diode; Counnter attack diode cathode end links to each other with the photovoltaic array output, and counnter attack diode cathode end links to each other with discharge control switch with each group charging control switch.
3. multichannel battery set charge/discharge control device according to claim 1 and 2; It is characterized in that; Every group of charging control switch includes the N-MOS switching tube I and the N-MOS switching tube II of two differential concatenations; N-MOS switching tube I source electrode links to each other with N-MOS switching tube II source electrode, and the drain electrode of N-MOS switching tube I connects discharge control switch and photovoltaic array output, and the drain electrode of N-MOS switching tube II links to each other with the respective battery bag is anodal; N-MOS switching tube I grid is with N-MOS switching tube II grid and connect after optocoupler links to each other with driving power, and the optocoupler control end is used for input control signal.
4. multichannel battery set charge/discharge control device according to claim 3 is characterized in that, is provided with voltage stabilizing didoe between said N-MOS switching tube I grid and the source electrode, is provided with resistance between N-MOS switching tube II grid and the source electrode.
5. multichannel battery set charge/discharge control device according to claim 3 is characterized in that, said N-MOS switching tube I and N-MOS switching tube II are milliohm level N-MOS pipe.
6. multichannel battery set charge/discharge control device according to claim 1 and 2 is characterized in that, discharge control switch is selected milliohm level N-MOS switching tube for use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202223496U CN202564995U (en) | 2012-05-17 | 2012-05-17 | Multichannel battery pack charge-discharge control device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202223496U CN202564995U (en) | 2012-05-17 | 2012-05-17 | Multichannel battery pack charge-discharge control device |
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| CN202564995U true CN202564995U (en) | 2012-11-28 |
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| CN2012202223496U Expired - Lifetime CN202564995U (en) | 2012-05-17 | 2012-05-17 | Multichannel battery pack charge-discharge control device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106026323A (en) * | 2016-05-16 | 2016-10-12 | 深圳天珑无线科技有限公司 | Charging system and method for achieving quick charge |
| CN106230060A (en) * | 2016-08-30 | 2016-12-14 | 常州格力博有限公司 | Charge protector and guard method thereof |
| WO2017020782A1 (en) * | 2015-07-31 | 2017-02-09 | 中兴通讯股份有限公司 | Battery charging and discharging control circuit and battery charging and discharging system |
| CN109617173A (en) * | 2018-12-26 | 2019-04-12 | 国电南瑞科技股份有限公司 | A high and low temperature rechargeable battery charging circuit applied to a fault diagnosis terminal |
| WO2020103067A1 (en) * | 2018-11-22 | 2020-05-28 | 深圳市大疆创新科技有限公司 | Switch circuit, and charging circuit of charging device |
| CN111934407A (en) * | 2020-08-18 | 2020-11-13 | 广东高斯宝电气技术有限公司 | Charging circuit and charging method for lead-acid storage battery |
| WO2022117052A1 (en) * | 2020-12-04 | 2022-06-09 | 华为技术有限公司 | Wireless charging circuit and system, electronic device, and control method |
-
2012
- 2012-05-17 CN CN2012202223496U patent/CN202564995U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017020782A1 (en) * | 2015-07-31 | 2017-02-09 | 中兴通讯股份有限公司 | Battery charging and discharging control circuit and battery charging and discharging system |
| CN106026323A (en) * | 2016-05-16 | 2016-10-12 | 深圳天珑无线科技有限公司 | Charging system and method for achieving quick charge |
| CN106230060A (en) * | 2016-08-30 | 2016-12-14 | 常州格力博有限公司 | Charge protector and guard method thereof |
| WO2020103067A1 (en) * | 2018-11-22 | 2020-05-28 | 深圳市大疆创新科技有限公司 | Switch circuit, and charging circuit of charging device |
| CN109617173A (en) * | 2018-12-26 | 2019-04-12 | 国电南瑞科技股份有限公司 | A high and low temperature rechargeable battery charging circuit applied to a fault diagnosis terminal |
| CN111934407A (en) * | 2020-08-18 | 2020-11-13 | 广东高斯宝电气技术有限公司 | Charging circuit and charging method for lead-acid storage battery |
| CN111934407B (en) * | 2020-08-18 | 2025-01-21 | 广东高斯宝电气股份有限公司 | Lead-acid battery charging circuit and charging method |
| WO2022117052A1 (en) * | 2020-12-04 | 2022-06-09 | 华为技术有限公司 | Wireless charging circuit and system, electronic device, and control method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121128 |