CN203225543U - Solar charge controller - Google Patents
Solar charge controller Download PDFInfo
- Publication number
- CN203225543U CN203225543U CN 201320169901 CN201320169901U CN203225543U CN 203225543 U CN203225543 U CN 203225543U CN 201320169901 CN201320169901 CN 201320169901 CN 201320169901 U CN201320169901 U CN 201320169901U CN 203225543 U CN203225543 U CN 203225543U
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- resistance
- connects
- resistor
- effect transistor
- field effect
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model relates to a solar charge controller including a solar cell panel, a storage battery and a solar charging circuit. The solar charging circuit includes a field effect transistor Q1. An S electrode of the field effect transistor Q1 is connected to one end of a resistor R1 and a diode D1 via a line. The other end of the resistor R1 is connected to a resistor R2 and the field effect transistor Q1. A base electrode of a triode Q2 is connected to a resistor R3 and a resistor R8. A D electrode of the field effect transistor Q1 is connected to a resistor R9, one end of a resistor R6, a resistor R5 and an anode of the storage battery respectively. A negative electrode of an electrolytic capacitor E1 is connected to a positive electrode of a zener diode ZD1. The other end of the resistor R6 is connected to a potentiometer W. A No. 2 pin of a manifold block U2 is connected to a negative electrode of the storage battery, a resistor R4, a No. 4 pin of an error amplifier U1, a resistor R8, an emitting electrode of the transistor Q2 and a negative electrode of the solar cell panel. According to the solar charge controller, no additional electromagnetic interference pulse is generated and solar energy can be fully utilized so that the storage battery is in the state with maximum capacity.
Description
Technical field
The utility model relates to a kind of solar charging controller.
Background technology
Along with society is fast-developing, anxiety and the environmental pollution of the energy highlight, green energy resource more and more comes into one's own, solar product has obtained unprecedented popularization, but there is following defective in the charging circuit of solar product: 1, charge controller spare uses relay, because the easy oxidation of relay contact, the control dissipation power is big, switch is easy to generate spark, more because be the reason of mechanical contact, the contact can not frequent movement, causes return difference bigger, cause storage battery can not be in maximum capacity, solar energy is not fully utilized; 2, use electronic switching device such as high-power FET, though the control dissipation power is minimized, though hysteresis voltage can reduce, the electromagnetic interference pulse of switch generation has influenced the work of solar energy load.
The utility model content
For solving the problems of the technologies described above, the utility model provides a kind of solar charging controller simple in structure, easy to use, does not have hysteresis voltage, does not have impulse disturbances, can take full advantage of solar energy.
Solar charging controller of the present utility model, comprise solar panel, storage battery and solar charging circuit, described solar charging circuit comprises field effect transistor Q1, the S utmost point of field effect transistor Q1 connects resistance R 1 and diode D1 by circuit, the positive pole of diode D1 is connected with the positive pole of solar panel by circuit, the other end of resistance R 1 connects the G utmost point of resistance R 2 and field effect transistor Q1 respectively, the other end of resistance R 2 connects the collector electrode of triode Q2, the base stage of triode Q2 connects resistance R 3 and resistance R 8, the other end of resistance R 3 connects No. 6 pins of error amplifier U1, resistance R 7 and capacitor C 1, the D utmost point of described field effect transistor Q1 connects resistance R 9 respectively, resistance R 6, the positive pole of resistance R 5 and storage battery, the other end of resistance R 9 connects the negative pole of voltage stabilizing didoe ZD1, No. 7 pins of the positive pole of electrochemical capacitor E1 and error amplifier U1, the negative pole of electrochemical capacitor E1 is connected with the positive pole of voltage stabilizing didoe ZD1, the other end of described resistance R 6 connects potentiometer W, the other end of potentiometer W connects resistance R 4, resistance R 7, No. 2 pins of capacitor C 1 and error amplifier U1, the other end of resistance R 7 and capacitor C 1 all is connected with No. 6 pins of error amplifier U1, the other end of resistance R 5 connects No. 3 pins of error amplifier U1 and No. 1 pin of integrated package U2 respectively, and No. 2 pins of integrated package U2 connect the negative pole of storage battery respectively, resistance R 4, No. 4 pins of error amplifier U1, resistance R 8, the emitter of triode Q2 and the negative pole of solar panel.
Solar charging controller of the present utility model, described error amplifier U1, integrated package U2, field effect transistor Q1 and triode Q2 constitute voltage stabilizing circuit, and the voltage stabilizing value equals the upper limit of battery tension.
Solar charging controller of the present utility model, the Standard resistance range of described potentiometer W can adapt to different battery tensions.
Compared with prior art the beneficial effects of the utility model are: solar charging controller circuit of the present utility model is simple, cost is low, and the charge efficiency height does not have extra electromagnetic interference pulse to produce, can utilize solar energy to greatest extent, make storage battery be in maximum capacity.
Description of drawings
Fig. 1 is the circuit diagram of the described solar charging controller of the utility model embodiment.
Among the figure:
1, solar panel; 2, storage battery.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples are used for explanation the utility model, but are not used for limiting scope of the present utility model.
As shown in Figure 1, a kind of solar charging controller, comprise solar panel 1, storage battery 2 and solar charging circuit, described solar charging circuit comprises field effect transistor Q1, the S utmost point of field effect transistor Q1 connects resistance R 1 and diode D1 by circuit, the positive pole of diode D1 is connected by the positive pole of circuit with solar panel 1, the other end of resistance R 1 connects the G utmost point of resistance R 2 and field effect transistor Q1 respectively, the other end of resistance R 2 connects the collector electrode of triode Q2, the base stage of triode Q2 connects resistance R 3 and resistance R 8, the other end of resistance R 3 connects No. 6 pins of error amplifier U1, resistance R 7 and capacitor C 1, the D utmost point of described field effect transistor Q1 connects resistance R 9 respectively, resistance R 6, the positive pole of resistance R 5 and storage battery 2, the other end of resistance R 9 connects the negative pole of voltage stabilizing didoe ZD1, No. 7 pins of the positive pole of electrochemical capacitor E1 and error amplifier U1, the negative pole of electrochemical capacitor E1 is connected with the positive pole of voltage stabilizing didoe ZD1, the other end of described resistance R 6 connects potentiometer W, the other end of potentiometer W connects resistance R 4, resistance R 7, No. 2 pins of capacitor C 1 and error amplifier U1, the other end of resistance R 7 and capacitor C 1 all is connected with No. 6 pins of error amplifier U1, the other end of resistance R 5 connects No. 3 pins of error amplifier U1 and No. 1 pin of integrated package U2 respectively, and No. 2 pins of integrated package U2 connect the negative pole of storage battery 2 respectively, resistance R 4, No. 4 pins of error amplifier U1, resistance R 8, the negative pole of the emitter of triode Q2 and solar panel 1.
Solar charging controller of the present utility model, described error amplifier U1, integrated package U2, field effect transistor Q1 and triode Q2 constitute voltage stabilizing circuit, and the voltage stabilizing value equals the upper limit of battery tension.
Solar charging controller of the present utility model, the Standard resistance range of described potentiometer W can adapt to different battery tensions.
Solar charging controller of the present utility model is when concrete work, solar panel provides the solar charging piezoelectric voltage by anti-recoil diode D1 to charging control circuit, when battery tension is lower than setting voltage, by resistance R 6, the battery tension sample circuit sampling cell voltage that potentiometer W and resistance R 4 constitute, when the battery sampling voltage is lower than the reference power supply voltage that integrated package U2 provides, error amplifier U1 detects error voltage, drive triode Q2, make it conducting, the collector current of triode Q2 makes P-channel field-effect transistor (PEFT) pipe Q1 conducting at the voltage that resistance R 1 produces, the solar charging piezoelectric voltage is directly linked on the storage battery, and the solar recharging electric current all is charged on the storage battery.Continuous rising along with cell voltage, the error voltage of error amplifier U1 output is more and more littler, the collector current of triode Q2 also descends gradually, field effect transistor Q1 conducting resistance increases, charging voltage pressure drop on field effect transistor Q1 of solar panel output increases gradually, equal set point until output voltage, the output current of field effect transistor Q1 equals load current, makes battery tension maintain set point always.If sunlight dies down or load current surpasses the maximum current that solar energy can provide, circuit can't make output voltage equal set point, and error voltage rises and impels the complete conducting of field effect transistor Q1, provides maximum charging current to storage battery.
The above only is preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model know-why; can also make some improvement and modification, these improve and modification also should be considered as protection range of the present utility model.
Claims (3)
1. solar charging controller, comprise solar panel (1), storage battery (2) and solar charging circuit, it is characterized in that: described solar charging circuit comprises field effect transistor Q1, the S utmost point of field effect transistor Q1 connects resistance R 1 and diode D1 by circuit, the positive pole of diode D1 is connected by the positive pole of circuit with solar panel (1), the other end of resistance R 1 connects the G utmost point of resistance R 2 and field effect transistor Q1 respectively, the other end of resistance R 2 connects the collector electrode of triode Q2, the base stage of triode Q2 connects resistance R 3 and resistance R 8, the other end of resistance R 3 connects No. 6 pins of error amplifier U1, resistance R 7 and capacitor C 1, the D utmost point of described field effect transistor Q1 connects resistance R 9 respectively, resistance R 6, the positive pole of resistance R 5 and storage battery (2), the other end of resistance R 9 connects the negative pole of voltage stabilizing didoe ZD1, No. 7 pins of the positive pole of electrochemical capacitor E1 and error amplifier U1, the negative pole of electrochemical capacitor E1 is connected with the positive pole of voltage stabilizing didoe ZD1, the other end of described resistance R 6 connects potentiometer W, the other end of potentiometer W connects resistance R 4, resistance R 7, No. 2 pins of capacitor C 1 and error amplifier U1, the other end of resistance R 7 and capacitor C 1 all is connected with No. 6 pins of error amplifier U1, the other end of resistance R 5 connects No. 3 pins of error amplifier U1 and No. 1 pin of integrated package U2 respectively, and No. 2 pins of integrated package U2 connect the negative pole of storage battery 2 respectively, resistance R 4, No. 4 pins of error amplifier U1, resistance R 8, the negative pole of the emitter of triode Q2 and solar panel (1).
2. solar charging controller according to claim 1 is characterized in that: described error amplifier U1, integrated package U2, field effect transistor Q1 and triode Q2 constitute voltage stabilizing circuit, and the voltage stabilizing value equals the upper limit of battery tension.
3. solar charging controller according to claim 1, it is characterized in that: the Standard resistance range of described potentiometer W can adapt to different battery tensions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320169901 CN203225543U (en) | 2013-04-08 | 2013-04-08 | Solar charge controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320169901 CN203225543U (en) | 2013-04-08 | 2013-04-08 | Solar charge controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203225543U true CN203225543U (en) | 2013-10-02 |
Family
ID=49252533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320169901 Expired - Fee Related CN203225543U (en) | 2013-04-08 | 2013-04-08 | Solar charge controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203225543U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106655449A (en) * | 2016-10-21 | 2017-05-10 | 安徽协创物联网技术有限公司 | VR camera with high endurance capability |
-
2013
- 2013-04-08 CN CN 201320169901 patent/CN203225543U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106655449A (en) * | 2016-10-21 | 2017-05-10 | 安徽协创物联网技术有限公司 | VR camera with high endurance capability |
| CN106655449B (en) * | 2016-10-21 | 2019-05-28 | 安徽协创物联网技术有限公司 | A kind of VR camera |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131002 Termination date: 20140408 |