CN204696732U - English electronic dictionary supplied by photoelectric cell - Google Patents
English electronic dictionary supplied by photoelectric cell Download PDFInfo
- Publication number
- CN204696732U CN204696732U CN201520348905.8U CN201520348905U CN204696732U CN 204696732 U CN204696732 U CN 204696732U CN 201520348905 U CN201520348905 U CN 201520348905U CN 204696732 U CN204696732 U CN 204696732U
- Authority
- CN
- China
- Prior art keywords
- resistance
- electric capacity
- chip
- circuit
- diode
- Prior art date
- 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
Links
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a kind of English electronic dictionary supplied by photoelectric cell, comprise solar panel, current/voltage Acquisition Circuit, synchronous Buck circuit, battery circuit and STC controller, described solar panel, described current/voltage Acquisition Circuit, described synchronous Buck circuit, described battery circuit and described electronic dictionary are connected successively, and signal end, the pwm signal end of described synchronous Buck circuit of described current-voltage sampling circuit are all connected with described STC controller with the signal end of described storage battery.The utility model English electronic dictionary supplied by photoelectric cell is detected the voltage on solar panel by current/voltage Acquisition Circuit; judge surrounding environment; realize the charging to storage battery; avoid floating charge; and make storage battery carry out constant-current discharge to electronic dictionary, effectively protect electronic dictionary.
Description
Technical field
The utility model relates to a kind of power supply, particularly relates to a kind of English electronic dictionary supplied by photoelectric cell.
Background technology
Solar energy, as a kind of inexhaustible, nexhaustible free of contamination clear energy sources, has been acknowledged as the most effective energy not solving energy crisis.English electronic dictionary, in the study of English, is adopted by numerous students, but present most of electronic dictionary all adopts is rechargeable, and need AC power to charge to it, in school, student is too much, and socket number may be caused not enough; A lot of controller for solar in the market, all adopt the directly mode of filling to charge, do not carry out management to storage battery to control, cause energy utilization rate not high, reliability is not strong, may occur the situation of floating charge simultaneously, decrease the useful life of storage battery, and non-constant at the output current of storage battery, may electronic equipment be damaged.
Utility model content
The purpose of this utility model is just to provide a kind of English electronic dictionary supplied by photoelectric cell to solve the problem.
The utility model is achieved through the following technical solutions above-mentioned purpose:
A kind of English electronic dictionary supplied by photoelectric cell, comprise solar panel, current/voltage Acquisition Circuit, synchronous Buck circuit, battery circuit and STC controller, described solar panel, described current/voltage Acquisition Circuit, described synchronous Buck circuit, described battery circuit and described electronic dictionary are connected successively, and signal end, the pwm signal end of described synchronous Buck circuit of described current-voltage sampling circuit are all connected with described STC controller with the signal end of described storage battery.
Particularly, described supplied by photoelectric cell comprises the first resistance to the 8th resistance, first electric capacity is to the 7th electric capacity, first diode is to the 4th diode, MAX4080 chip, IR2104 chip, first metal-oxide-semiconductor, second metal-oxide-semiconductor, inductance and storage battery, the positive pole of described solar panel respectively with the first end of described second resistance, the first end of described 4th resistance, the first end of described 3rd electric capacity is connected with the RS+ end of described MAX4080 chip, second end of described second resistance is connected with the first end of described 3rd resistance and the first end of described first electric capacity respectively and is the voltage signal output end of described current/voltage Acquisition Circuit, the OUT end of described MAX4080 chip is the current signal output end of described current/voltage Acquisition Circuit, the negative pole of described solar panel respectively with the second end of described 3rd resistance, second end of described first electric capacity, the first end of described 4th electric capacity, the COM end of described IR2104 chip, the source electrode of described second metal-oxide-semiconductor, the first end of described 7th electric capacity, the negative pole of described storage battery, the first end of described first resistance is connected with the first end of described second electric capacity, second end of described 4th resistance respectively with the second end of described 3rd electric capacity, the RS-end of described MAX4080 chip, second end of described 4th electric capacity, the first end of described 5th electric capacity is connected with the drain electrode of described first metal-oxide-semiconductor, second end of described 5th electric capacity is connected with the first end of described 5th resistance, the grid of described first metal-oxide-semiconductor is connected with the first end of described 6th resistance and the positive pole of described first diode respectively, second end of described 6th resistance is held with the negative pole of described first diode and the HO of described IR2104 chip respectively and is connected, second end of described 5th resistance is held with the first end of described 6th electric capacity and the V of described IR2104 chip respectively and is connected, second end of described 6th electric capacity is held with the negative pole of described 3rd diode and the VB of described IR2104 chip respectively and is connected, the positive pole of described 3rd diode and the V of described IR2104 chip
ocend connects and ground connection, the LO end of described IR2104 chip is connected with the first end of described 7th resistance and the negative pole of described second diode respectively, second end of described 7th resistance is connected with the grid of the positive pole of described second diode and described second metal-oxide-semiconductor, the source electrode of described first metal-oxide-semiconductor is connected with the drain electrode of described second metal-oxide-semiconductor and the first end of described inductance respectively, second end of described inductance is connected with the positive pole of described 4th diode and the second end of described 7th electric capacity respectively, the negative pole of described 4th diode is connected with the positive pole of described storage battery and the first end of described 8th resistance respectively, second end of described 8th resistance is connected with the second end of described first resistance and the second end of described second electric capacity respectively and is the signal end of described battery circuit.
The beneficial effects of the utility model are:
The utility model English electronic dictionary supplied by photoelectric cell is detected the voltage on solar panel by current/voltage Acquisition Circuit; judge surrounding environment; realize the charging to storage battery; avoid floating charge; and make storage battery carry out constant-current discharge to electronic dictionary, effectively protect electronic dictionary.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of English electronic dictionary supplied by photoelectric cell described in the utility model;
Fig. 2 is the circuit diagram of English electronic dictionary supplied by photoelectric cell described in the utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in Figure 1, a kind of English electronic dictionary supplied by photoelectric cell, comprise solar panel, current/voltage Acquisition Circuit, synchronous Buck circuit, battery circuit and STC controller, described solar panel, described current/voltage Acquisition Circuit, described synchronous Buck circuit, described battery circuit and described electronic dictionary are connected successively, and signal end, the pwm signal end of described synchronous Buck circuit of described current-voltage sampling circuit are all connected with described STC controller with the signal end of described storage battery.
As shown in Figure 2, supplied by photoelectric cell comprises the first resistance R1 to the 8th resistance R8, first electric capacity C1 is to the 7th electric capacity C7, first diode D1 is to the 4th diode D4, MAX4080 chip IC 1, IR2104 chip IC 2, first metal-oxide-semiconductor Q1, second metal-oxide-semiconductor Q2, inductance L 1 and storage battery E, the positive pole of solar panel B respectively with the first end of the second resistance R2, the first end of the 4th resistance R4, the first end of the 3rd electric capacity C3 is connected with the RS+ end of MAX4080 chip IC 1, second end of the second resistance R2 is connected with the first end of the 3rd resistance R3 and the first end of the first electric capacity C1 respectively and is the voltage signal output end of current/voltage Acquisition Circuit, the OUT end of MAX4080 chip IC 1 is the current signal output end of current/voltage Acquisition Circuit, the negative pole of solar panel B respectively with second end of the 3rd resistance R3, second end of the first electric capacity C1, the first end of the 4th electric capacity C4, the COM end of IR2104 chip IC 2, the source electrode of the second metal-oxide-semiconductor Q2, the first end of the 7th electric capacity C7, the negative pole of storage battery E, the first end of the first resistance R1 is connected with the first end of the second electric capacity C2, second end of the 4th resistance R4 respectively with second end of the 3rd electric capacity C3, the RS-end of MAX4080 chip IC 1, second end of the 4th electric capacity C4, the first end of the 5th electric capacity C5 is connected with the drain electrode of the first metal-oxide-semiconductor Q1, second end of the 5th electric capacity C5 is connected with the first end of the 5th resistance R5, the grid of the first metal-oxide-semiconductor Q1 is connected with the first end of the 6th resistance R6 and the positive pole of the first diode D1 respectively, second end of the 6th resistance R6 is held with the negative pole of the first diode D1 and the HO of IR2104 chip IC 2 respectively and is connected, second end of the 5th resistance R5 is held with the first end of the 6th electric capacity C6 and the V of IR2104 chip IC 2 respectively and is connected, second end of the 6th electric capacity C6 is held with the negative pole of the 3rd diode D3 and the VB of IR2104 chip IC 2 respectively and is connected, the positive pole of the 3rd diode D3 and the V of IR2104 chip IC 2
ocend connects and ground connection, the LO end of IR2104 chip IC 2 is connected with the first end of the 7th resistance R7 and the negative pole of the second diode D2 respectively, second end of the 7th resistance R7 is connected with the grid of the positive pole of the second diode D2 and the second metal-oxide-semiconductor Q2, the source electrode of the first metal-oxide-semiconductor Q1 is connected with the drain electrode of the second metal-oxide-semiconductor Q2 and the first end of inductance L 1 respectively, second end of inductance L 1 is connected with the positive pole of the 4th diode D4 and second end of the 7th electric capacity C7 respectively, the negative pole of the 4th diode D4 is connected with the positive pole of storage battery E and the first end of the 8th resistance R8 respectively, second end of the 8th resistance R8 is connected with second end of the first resistance R1 and second end of the second electric capacity C2 respectively and is the signal end of storage battery E circuit.
The operation principle of the utility model English electronic dictionary supplied by photoelectric cell is as follows:
The voltage gathered on solar panel B by current/voltage Acquisition Circuit differentiates it is daytime, night, when the voltage of detection solar panel B is higher than certain value, enter day mode, now: the voltage at the solar panel B two ends that STC controller (model is 12C5410AD) gathers and charging current, control synchronization Buck works, realize the charging to storage battery E, when the voltage of storage battery E reaches certain value, enter floating charge pattern, the voltage at Real-time Collection storage battery E two ends, prevents storage battery E from overcharging, crosses and put; When the voltage detecting cell panel is less than certain value, enter pattern at night, now: control storage battery E and carry out constant-current discharge to electronic dictionary
The technical solution of the utility model is not limited to the restriction of above-mentioned specific embodiment, and every technology distortion made according to the technical solution of the utility model, all falls within protection range of the present utility model.
Claims (2)
1. an English electronic dictionary supplied by photoelectric cell, it is characterized in that: comprise solar panel, current/voltage Acquisition Circuit, synchronous Buck circuit, battery circuit and STC controller, described solar panel, described current/voltage Acquisition Circuit, described synchronous Buck circuit, described battery circuit and described electronic dictionary are connected successively, and signal end, the pwm signal end of described synchronous Buck circuit of described current-voltage sampling circuit are all connected with described STC controller with the signal end of described storage battery.
2. English electronic dictionary supplied by photoelectric cell according to claim 1, it is characterized in that: comprise the first resistance to the 8th resistance, first electric capacity is to the 7th electric capacity, first diode is to the 4th diode, MAX4080 chip, IR2104 chip, first metal-oxide-semiconductor, second metal-oxide-semiconductor, inductance and storage battery, the positive pole of described solar panel respectively with the first end of described second resistance, the first end of described 4th resistance, the first end of described 3rd electric capacity is connected with the RS+ end of described MAX4080 chip, second end of described second resistance is connected with the first end of described 3rd resistance and the first end of described first electric capacity respectively and is the voltage signal output end of described current/voltage Acquisition Circuit, the OUT end of described MAX4080 chip is the current signal output end of described current/voltage Acquisition Circuit, the negative pole of described solar panel respectively with the second end of described 3rd resistance, second end of described first electric capacity, the first end of described 4th electric capacity, the COM end of described IR2104 chip, the source electrode of described second metal-oxide-semiconductor, the first end of described 7th electric capacity, the negative pole of described storage battery, the first end of described first resistance is connected with the first end of described second electric capacity, second end of described 4th resistance respectively with the second end of described 3rd electric capacity, the RS-end of described MAX4080 chip, second end of described 4th electric capacity, the first end of described 5th electric capacity is connected with the drain electrode of described first metal-oxide-semiconductor, second end of described 5th electric capacity is connected with the first end of described 5th resistance, the grid of described first metal-oxide-semiconductor is connected with the first end of described 6th resistance and the positive pole of described first diode respectively, second end of described 6th resistance is held with the negative pole of described first diode and the HO of described IR2104 chip respectively and is connected, second end of described 5th resistance is held with the first end of described 6th electric capacity and the V of described IR2104 chip respectively and is connected, second end of described 6th electric capacity is held with the negative pole of described 3rd diode and the VB of described IR2104 chip respectively and is connected, the positive pole of described 3rd diode and the V of described IR2104 chip
ocend connects and ground connection, the LO end of described IR2104 chip is connected with the first end of described 7th resistance and the negative pole of described second diode respectively, second end of described 7th resistance is connected with the grid of the positive pole of described second diode and described second metal-oxide-semiconductor, the source electrode of described first metal-oxide-semiconductor is connected with the drain electrode of described second metal-oxide-semiconductor and the first end of described inductance respectively, second end of described inductance is connected with the positive pole of described 4th diode and the second end of described 7th electric capacity respectively, the negative pole of described 4th diode is connected with the positive pole of described storage battery and the first end of described 8th resistance respectively, second end of described 8th resistance is connected with the second end of described first resistance and the second end of described second electric capacity respectively and is the signal end of described battery circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520348905.8U CN204696732U (en) | 2015-05-26 | 2015-05-26 | English electronic dictionary supplied by photoelectric cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520348905.8U CN204696732U (en) | 2015-05-26 | 2015-05-26 | English electronic dictionary supplied by photoelectric cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204696732U true CN204696732U (en) | 2015-10-07 |
Family
ID=54236985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520348905.8U Expired - Fee Related CN204696732U (en) | 2015-05-26 | 2015-05-26 | English electronic dictionary supplied by photoelectric cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204696732U (en) |
-
2015
- 2015-05-26 CN CN201520348905.8U patent/CN204696732U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104065141A (en) | Large-scale battery management system | |
| CN204157128U (en) | A kind of digital control type control system of solar energy street lamp | |
| CN102005801B (en) | Charging circuit of solar charging controller in common-ground structure | |
| CN203632908U (en) | Solar lamp control device | |
| CN104242812A (en) | Single-chip microcomputer based solar power controller | |
| CN203632903U (en) | Solar street lamp controller | |
| CN207010335U (en) | A kind of solar energy low-light TRT | |
| CN105846514A (en) | Battery protection based solar energy power supply building energy-saving monitoring system | |
| CN204696732U (en) | English electronic dictionary supplied by photoelectric cell | |
| CN201263095Y (en) | Multipath combined charger | |
| CN205791567U (en) | A kind of grid-connected power distribution equipment of distributed photovoltaic | |
| CN104467088A (en) | Intelligent solar charging system and automatic tracking control circuit thereof | |
| CN211018378U (en) | Circuit structure for charging rechargeable battery by solar panel | |
| CN204928247U (en) | Charging system is switched to solar energy intelligence | |
| CN204481528U (en) | Be applicable to the solar charging device of electric bicycle | |
| CN105517236A (en) | Solar energy-based LED street lamp lighting control system | |
| CN204465028U (en) | A kind of solar energy electronic school bag quick-charging circuit | |
| CN204967348U (en) | Novel two couple portable power source of putting that fill | |
| CN205051375U (en) | Solar energy notebook charging circuit | |
| CN204334002U (en) | A kind of intelligent solar charging system and automatic tracking control circuit thereof | |
| CN204741326U (en) | Wireless charging device based on scene electricity generation | |
| CN204068316U (en) | Extensive battery management system | |
| CN204258387U (en) | Solar charging controller | |
| CN203787978U (en) | Solar charging circuit and solar mobile power supply | |
| CN203788053U (en) | Energy storage system based on solar cells and super capacitor sets |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151007 Termination date: 20160526 |