CN204271668U - A kind of solar cell charge-discharge controller - Google Patents

A kind of solar cell charge-discharge controller Download PDF

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Publication number
CN204271668U
CN204271668U CN201420359864.8U CN201420359864U CN204271668U CN 204271668 U CN204271668 U CN 204271668U CN 201420359864 U CN201420359864 U CN 201420359864U CN 204271668 U CN204271668 U CN 204271668U
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CN
China
Prior art keywords
battery
switch
automatic locking
circuit
battery pack
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201420359864.8U
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Chinese (zh)
Inventor
覃宁波
梁洪方
冯尚
林成刚
黄永康
王则奋
程敏敏
谢潇楠
谭金峰
包远富
赵克菲
马昭键
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GUANGXI JIKUANG SOLAR ENERGY EQUIPMENT Co Ltd
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GUANGXI JIKUANG SOLAR ENERGY EQUIPMENT Co Ltd
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Priority to CN201420359864.8U priority Critical patent/CN204271668U/en
Application granted granted Critical
Publication of CN204271668U publication Critical patent/CN204271668U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model belongs to battery charging control field, is specifically related to a kind of solar cell charge-discharge controller, it is characterized in that, comprise the solar panels, charge controller, automatic locking K switch 1, battery pack, automatic locking K switch 2, the inverter that connect successively; K switch 1-1, K1-2, K2-1, K1-2 and relay J 1, J2 with coil is provided with in described automatic locking K switch 1, K2; The break-make of the utility model practical automatic locking switch control rule battery pack; battery pack is when overcharging, excessively putting and do not use; make between battery and circuit, between battery and battery in off-state; loop can not be formed lead to, thus avoid in loop the phenomenon producing trickle, ensure that the longer service life of battery; circuit structure of the present utility model is simple; safety easy to use, defencive function is perfect, effective.

Description

A kind of solar cell charge-discharge controller
Technical field
The utility model relates to a kind of battery charging and discharging control field, is specifically related to a kind of solar cell charge-discharge controller.
Background technology
Solar energy is a kind of emerging regenerative resource, is the process emittance of sunlight being changed into electric energy.In recent years, solar photovoltaic technology has become the focus of developmental research, as a kind of ideal electric energy generating source, and has achieved significant effect; Solar power system is generally made up of solar battery group, controller for solar, storage battery (group), if out-put supply is 220V or 110V, also need configuration inverter dispatch control system, due to the unsteadiness of photovoltaic generation, the electric energy to solar energy is transformed is needed to carry out energy storage recycling.
Realize utilizing the energy storage of solar energy power generating, must control the charging and discharging of battery, at solar recharging control field, general is all that a Battery pack adds a system configuration controlling to put of charging, but be all in parallel by many Battery packs in most instances or be in series, as in large-scale market, office building, dormitory building, hotel, the commercial locations such as hotel, no matter using solar energy as photovoltaic generation or solar water heater, battery is in charging and discharging process, often cause fallback in low year of battery charge controller, as battery charging overcharges or undercharge often, when whole solar control system does not work, or when reserve battery does not use, loop is formed with charge or discharge control circuit, continue with the charge or discharge in the loop of the form of trickle, have impact on the power reservoir capacity of battery, also can affect the useful life of battery simultaneously, meanwhile, battery between different group also produces crossfire phenomenon, also have impact on whole solar control system fail safe.
Utility model content
The purpose of this utility model is the problems referred to above solving prior art, provide a kind of battery of solar energy in the process of filling, the voltage of real-time detection storage battery, when battery is when overcharging, excessively putting and do not use, make between battery and circuit, between battery and battery in off-state, loop can not be formed lead to, thus avoid in loop the phenomenon producing trickle.
In order to solve the problems of the technologies described above, this practical sexual type provides a kind of solar cell charge-discharge controller, and it comprises the solar panels, charge controller, automatic locking K switch 1, battery pack, automatic locking K switch 2, the inverter that connect successively;
K switch 1-1, K1-2, K2-1, K1-2 and relay J 1, J2 with coil is provided with in described automatic locking K switch 1, K2;
In the utility model, also comprise central processing unit, described central processing unit is connected with charge controller by input detecting circuit, and described central processing unit is also connected with inverter by output detection circuit; Described central processing unit is connected with keyboard and display circuit, also be connected respectively by J1 one end of drive circuit and automatic locking K switch 1, the negative electrode of diode D2, J2 one end of automatic locking K2, the negative electrode of diode D2, the described anode of diode D1, D2, the other end of J1, J2 are connected to ground;
Further, also comprise left photo resistance R1 and right photo resistance R2, described one end of left photo resistance R1 is connected with the positive pole S+ of solar panels, and the other end is connected with right photo resistance R2, central processing unit respectively, and the other end of described R2 is connected with solar energy negative pole S-;
Preferably, described battery pack is lead-acid battery, and rated voltage is 24V.
Preferably, described battery pack is at least 2 groups or two groups of in parallel or series connection.
Preferably, described charge controller and input detecting circuit, be also connected to bleeder circuit between inverter and output detection circuit.
Compared with prior art there is following beneficial effect, this practical sexual type can adapt to different battery types, in battery charge and discharge process, voltage according to battery carries out automatic inflatable electric control, make two or more sets storage batterys, when being used alternatingly, disconnect completely between reserve battery and control circuit and storage battery, make charging control circuit, be all between charge/discharge control circuit and storage battery and between storage battery and storage battery and do not charge, do not put electric discharge, do not produce trickle, backflow phenomenon in loop, whole Circuits System is zero power consumption state.Control due to complete power-off can be realized, avoid battery cross put, floating charge is long and affect useful life of battery, meanwhile, circuit structure of the present utility model is simple, and safety easy to use, defencive function is perfect, effective.
Accompanying drawing explanation
In order to be illustrated more clearly in this practical sexual type example or technical scheme of the prior art, introduce doing accompanying drawing required in embodiment or description of the prior art simply below, apparently, accompanying drawing in the following describes is only examples more of the present utility model, to those skilled in the art, do not paying under creationary prerequisite, other accompanying drawing can also obtained according to these accompanying drawings.
Fig. 1 shows a kind of solar cell charge-discharge controller of this practical sexual type structural representation;
Fig. 2 shows bleeder circuit line structure schematic diagram in a kind of solar cell charge-discharge controller of this practical sexual type;
Embodiment
Below in conjunction with the accompanying drawing in this practical sexual type example, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in invention, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of this practical sexual type protection.
See Fig. 1, show the structural representation of a kind of solar cell charge-discharge controller of this practical sexual type, composition graphs 1, this solar cell charge-discharge controller comprises, the solar panels 1 connected successively, charging control apparatus 2, automatic locking K switch 1, battery pack 3, automatic locking K switch 2, inverter 4.
Wherein, K switch 1-1, K1-2, K2-1, K1-2 and relay J 1, J2 with coil is provided with in automatic locking switch 11; When whole device is in normal operating conditions, built-in switch K1-1, K1-2, K2-1, K1-2 of automatic locking switch are closed, convert 220V AC to, power to load 5 through inverter.
As the specific embodiment of this practical sexual type, also comprise central processing unit 8, described central processing unit 8 is connected charging voltage for detecting battery pack 3 by input detecting circuit 9 with charging control apparatus 2, described central processing unit 8 is also connected with inverter 4 by output detection circuit 6, for detecting operating voltage state when battery pack 3 is discharged; Described central processing unit 8 is connected with keyboard and display circuit 7, also be connected respectively by J1 one end of drive circuit 10 and automatic locking K switch 1, the negative electrode of diode D2, J2 one end of automatic locking K switch 2, the negative electrode of diode D2, the described anode of diode D1, D2, the other end of J1, J2 are connected to ground.
As the most preferred embodiment of this practical sexual type, also comprise left photo resistance R1 and right photo resistance R2, described one end of left photo resistance R1 is connected with the positive pole S+ of solar panels 1, the other end is connected with right photo resistance R2, central processing unit 8 respectively, the other end of described right photo resistance R2 is connected with solar panels 1 negative pole S-, simultaneously solar panels 1 be also connected with Transient Suppression Diode D1 between positive pole S+, negative pole S-.
In the specific embodiment of this practical sexual type, described battery pack 3 is lead acid accumulator, the rated voltage of selected battery pack 3 is 24V, the parallel connection of another group storage battery is become to be used alternatingly or as (not shown) for subsequent use simultaneously, but according to actual needs, after also two group storage batteries can being connected into 48V, do for subsequent use with other two group storage battery 48V in parallel again, but it should be noted that the rated voltage of single group storage battery of the present utility model is not limited to the type of 24V, can 12V be selected, 48V.
As the another kind of embodiment of this practical sexual type, see Fig. 1, Fig. 2, in side circuit connects, bleeder circuit 90 is also connected between described charge controller 2 and input detecting circuit 9, bleeder circuit 60 is also connected between inverter 4 and output detection circuit 6, the discharge voltage that the battery pack 3 of 24V exports is carried out dividing potential drop by bleeder circuit 60, the voltage of the P60 point separated is+12V, the charging voltage that the battery pack 3 of 24V inputs is carried out dividing potential drop by bleeder circuit 90, the voltage of the P90 point separated is+12V, the voltage range that input detecting circuit 9 and output detection circuit 6 can detect is 0 ~+15V, can reduce to detect voltage range after divider resistance, improve the accuracy detected.
In the utility model, central processing unit 8 adopts AT89S52 single-chip microcomputer, the discharge voltage that battery pack 3 electric discharge exports is lower than 6V, and also namely when central processing unit 8 detects the voltage of output detection circuit 6 lower than 12V, the voltage of dividing potential drop place P60 point is 6V, now, the P3.0 pin of central processing unit 8, to drive circuit 10 output low level, through overdrive circuit 10, makes K2-1, K1-2 of automatic locking K switch 2 disconnect, battery pack 3 stop electric discharge, and this device can automatically enable by by battery pack to power supply, central processing unit 8 is according to left photo resistance R1, the strength signal of right photo resistance R2 real-time sampling sunlight, the need of charging to the battery pack 3 be disconnected immediately, if do not need to charge, then the P3.0 pin of central processing unit 8 is to drive circuit 10 output low level, through overdrive circuit 10, make the K1-1 of automatic locking K switch 1, K1-1 disconnects, if carry out charging to battery pack 3, then the P3.0 pin of central processing unit 8 exports high level to drive circuit 10, through overdrive circuit 10, make the K1-1 of automatic locking K switch 1, K1-1 closes, battery pack 3 is charged.When input detecting circuit 9 detect battery pack 3 charge full time, then can show and be full of piezoelectric voltage, then the P3.0 pin of central processing unit 8 is to drive circuit output low level, and K1-1, K1-1 of automatic locking K switch 1 are disconnected, and battery pack 3 completes charging operations.When standby electricity pond works, for temporary transient idle battery pack 3, automatic locking switch 11 is in off-state, this avoid the phenomenon that battery produces trickle, backflow, serves the effect of protection battery pack.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.

Claims (4)

1. a solar cell charge-discharge controller, is characterized in that, comprises the solar panels, charge controller, automatic locking K switch 1, battery pack, automatic locking K switch 2, the inverter that connect successively;
K switch 1-1, K1-2, K2-1, K1-2 and relay J 1, J2 with coil is provided with in described automatic locking K switch 1, K2;
Also comprise central processing unit, described central processing unit is connected with charge controller by input detecting circuit, and described central processing unit is also connected with inverter by output detection circuit; Described central processing unit is connected with keyboard and display circuit, also be connected respectively by J1 one end of drive circuit and automatic locking K switch 1, the negative electrode of diode D2, J2 one end of automatic locking K2, the negative electrode of diode D2, the described anode of diode D1, D2, the other end of J1, J2 are connected to ground;
Also comprise left photo resistance R1 and right photo resistance R2, described one end of left photo resistance R1 is connected with the positive pole S+ of solar panels, and the other end is connected with right photo resistance R2, central processing unit respectively, and the other end of described R2 is connected with solar energy negative pole S-.
2. a kind of solar cell charge-discharge controller as claimed in claim 1, is characterized in that, described battery pack is lead-acid battery, and rated voltage is 24V.
3. a kind of solar cell charge-discharge controller as claimed in claim 1, is characterized in that, described battery pack is at least 2 groups or two groups of in parallel or series connection.
4. a kind of solar cell charge-discharge controller as claimed in claim 1, is characterized in that, between described charge controller and input detecting circuit, be also connected to bleeder circuit between inverter and output detection circuit.
CN201420359864.8U 2014-06-30 2014-06-30 A kind of solar cell charge-discharge controller Expired - Fee Related CN204271668U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420359864.8U CN204271668U (en) 2014-06-30 2014-06-30 A kind of solar cell charge-discharge controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420359864.8U CN204271668U (en) 2014-06-30 2014-06-30 A kind of solar cell charge-discharge controller

Publications (1)

Publication Number Publication Date
CN204271668U true CN204271668U (en) 2015-04-15

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104124733A (en) * 2014-06-30 2014-10-29 广西吉宽太阳能设备有限公司 Control device and control method for charge and discharge of solar cell
CN108988433A (en) * 2018-08-16 2018-12-11 四川长虹电器股份有限公司 A kind of charging automatic detection circuit of solar lighting controller

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104124733A (en) * 2014-06-30 2014-10-29 广西吉宽太阳能设备有限公司 Control device and control method for charge and discharge of solar cell
CN108988433A (en) * 2018-08-16 2018-12-11 四川长虹电器股份有限公司 A kind of charging automatic detection circuit of solar lighting controller

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EXPY Termination of patent right or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150415

Termination date: 20150630