CN201044371Y - Solar charger unit for electronic calculator - Google Patents
Solar charger unit for electronic calculator Download PDFInfo
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- CN201044371Y CN201044371Y CNU2006201394124U CN200620139412U CN201044371Y CN 201044371 Y CN201044371 Y CN 201044371Y CN U2006201394124 U CNU2006201394124 U CN U2006201394124U CN 200620139412 U CN200620139412 U CN 200620139412U CN 201044371 Y CN201044371 Y CN 201044371Y
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- rechargeable battery
- electronic calculator
- battery
- solar cell
- solar
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Abstract
The utility model provides an electronic calculator solar energy charging device comprising a switch component which can be controlled in on or off state with the change of environment brightness and is serially connected with a rechargeable battery and a solar energy battery. When the switch component is turned on, the solar energy battery and the rechargeable battery form an electrical circuit. When the output voltage of the solar energy battery is higher than voltage of the rechargeable battery, the solar energy battery outputs power to the electronic calculator and the rechargeable battery simultaneously; when the output voltage of the solar energy battery is lower than voltage of the rechargeable battery, the rechargeable battery outputs power to the electronic calculator which then utilizes solar energy to charge the rechargeable battery for supplying power lack in the solar energy battery. The utility model does not use ordinary battery, thus the replacement of ordinary battery is not required and the use of ordinary battery is reduced, and this meets environmental protection requirements.
Description
Technical field
The utility model is relevant electronic calculator, especially relevant solar energy charging type electronic calculator.
Background technology
General commercially available electronic calculator product is broadly divided into two kinds according to its power supply design branch:
1. single power supply calculator
General electronic calculator mostly adopts single battery design, and having needed only dead battery just needs the replacing battery just can continue to use.The average power consumption that depends on battery capacity size and electronic calculator the service time of battery, about about 3～5 years of battery life.
2. duplicate supply (DUAL POWER) calculator
Duplicate supply is as the term suggests be to adopt the design of powering simultaneously of solar energy and battery, and is solar powered when use when sunlight is arranged, and then need use powered battery as if being in the faint or not enough place of light source of sunlight.Increase when the power consumption of electronic calculator own in addition, during the maximum power consumption stream that surpasses that solar energy can export at that time, also can use the electric power of battery.This design battery is about about 6～8 years useful life.A kind of calculator that the TaiWan, China patent announcement discloses for No. 55630 has the device of solar charger and alkalescence or mercury dry cell simultaneously, is a kind of duplicate supply calculator.
Existing duplicate supply calculator has that circuit is simple, low price, popularization extensively reach advantages such as electricity needs is little, but does not have charge function, so still need change battery.
General common charging circuit according to product not difference have following various characteristics respectively:
1. outdoor type charging circuit, as solar power generation, the charging circuit of solar street light etc.:
(1) employed solar energy is strong, so can produce big electric power;
(2) the energy storage device volume is big;
(3) solar energy luminous energy conversion panel volume is big;
(4) device requirement electric power is big.
2. hand-hold type charging device, as mobile phone, the charging circuit of toy etc.:
(1) non-solar recharging;
(2) charging current is big;
(3) device requirement electric power is big;
(4) charging circuit control is complicated;
(5) the rechargeable battery volume is big, and requires many.
If will above-mentioned common charging circuit directly cover be used in the existing calculator, will cause the price hurricane of calculator to rise, volume becomes greatly, and smears the low price that calculator has that goes out, advantage that popularization is wide fully.
The utility model content
The purpose of this utility model is to provide a kind of solar charging device of electronic calculator, keeps the old advantage of calculator in the hope of reaching, and makes calculator have the advantage of battary without change in conjunction with simple charging circuit.
For achieving the above object, the solar charging device of the electronic calculator that the utility model provides utilizes solar energy to the charging of electronic calculator internal rechargeable batteries, and it comprises:
One rechargeable battery;
One solar cell;
One changes to be controlled as with ambient brightness and opens or the switch module of closed condition, and this switch module is connected in series this rechargeable battery and this solar cell;
Wherein, this switch module is under opening, this solar cell and this rechargeable battery constitute an electric loop, when the voltage of the electric energy output of this solar cell was higher than the voltage of this rechargeable battery, this solar cell output power to this electronic calculator and this rechargeable battery simultaneously charged; When the voltage of the electric energy output of this solar cell was lower than the voltage of this rechargeable battery, this rechargeable battery output power was to this electronic calculator.
The solar charging device of described electronic calculator, wherein this switch module is in closed condition, and this rechargeable battery can't form electric loop.
The solar charging device of described electronic calculator wherein further comprises a diode between this solar cell and this rechargeable battery.
The solar charging device of described electronic calculator wherein further comprises a current-limiting resistance between this diode and this rechargeable battery.
The solar charging device of described electronic calculator wherein further comprises the stabipack of the electric weight output voltage stabilizing of a pair of this solar cell between this solar cell and this rechargeable battery.
The solar charging device of described electronic calculator further comprises an electric capacity in parallel with this rechargeable battery.
The solar charging device of described electronic calculator, wherein this switch module is a mos transistor switch loop; This MOS transistor is serially connected with between this solar cell and this rechargeable battery.
The solar charging device of described electronic calculator, wherein this switch module is a mos transistor switch loop; This MOS transistor is serially connected with the earth terminal of this rechargeable battery.
The solar charging device of described electronic calculator, wherein this switch module is an optical coupler.
By enforcement of the present utility model, be different from above-mentioned single power supply calculator and duplicate supply calculator, can need not change battery fully, the user can continue to use to other part natural deterioration of calculator, may be 20 years or more of a specified duration.When calculator is under the irradiation of light except utilizing solar cell to keep the electric power of calculator itself, more can utilize unnecessary electric energy that rechargeable battery is charged, but when the power consumption of calculator own increases, during the maximum power consumption stream that surpasses that solar cell can export at that time, or when being in low light level place, just use the electric power of rechargeable battery, can continue again to charge to rechargeable battery as getting back to ordinary ray place solar cell, one is in full power state toward can often protecting rechargeable battery power thus, and the user also need not buy general battery again.
The utility model makes electronic calculator keep old advantage, in conjunction with a simple charging circuit and a rechargeable battery, make calculator can utilize solar energy that rechargeable battery is charged, the electric power of solar cell deficiency is provided by rechargeable battery, need not use general battery therefore need not change general battery, reduce the use amount of general battery, meet the environmental protection demand, save and buy general battery cost, and reduce the trouble of changing general battery.
Description of drawings
Fig. 1 is the electrical block diagram of this novel first embodiment.
Fig. 2 is the electrical block diagram of this novel second embodiment.
Fig. 3 is the electrical block diagram of this novel the 3rd embodiment.
Fig. 4 is the electrical block diagram of this novel the 4th embodiment.
Fig. 5 is the electrical block diagram of this novel the 5th embodiment.
Embodiment
Other purpose of the present utility model, effect see also drawings and Examples, are described in detail as follows.
See also shown in Figure 1.The solar charging device of the utility model electronic calculator is in order to utilizing solar energy to electronic calculator internal rechargeable batteries charging, and its first embodiment comprises:
One solar cell 11 has positive terminal and earth terminal, is electric energy output in order to receive solar energy converting;
One light-emitting diode 12 has first end and second end, its first end ground connection, its second end electrically connects the positive terminal of solar cell 11, in order to solar cell is carried out voltage stabilizing, avoid solar cell 11 under the irradiation of high light, produce too high voltage and destroy other electronic building brick;
One diode 13 has first end and second end, and its first end electrically connects the positive terminal of solar cell, and its second end electrically connects a power output end 14; Make the electric weight of solar cell 11 be output as unidirectional circuit;
One current-limiting resistance 15 has first end and second end, and its first end electrically connects power output end 14, flows to the magnitude of current of a rechargeable battery 16 in order to restriction solar cell 11, damages rechargeable battery 16 too greatly in order to avoid flow to the electric current of rechargeable battery 16;
One rechargeable battery 16 has positive terminal and earth terminal, and its positive terminal electrically connects second end of current-limiting resistance 15;
One electric capacity 17 has first end and second end, and its first end electrically connects power output end 14, its other end ground connection, the power supply buffer when switching with rechargeable battery 16 electric energy as solar cell 11;
One switch module 18 has at least two ends, and its first end electrically connects the earth terminal of rechargeable battery 16, its second end ground connection; Switch module 18 changes to be controlled as with ambient brightness to be opened or closed condition;
One resistance 19 has first end, second end, and its first end electrically connects the positive terminal of solar cell 11, and its second end electrically connects the 3rd end of switch module 18;
Wherein power output end 14 is in order to electrically connect the main system of calculator; When solar cell 11 in brighter ambient brightness, the for example above brightness of 200 lumens (lux), when producing bigger electric power, the electric power of its output can provide the main system required electric power of electronic calculator via power output end 14, and via three end of resistance 19 output powers to switch module 18, make its 3rd end cause its first and second end to be conducted at high potential and be opening, the earth terminal that makes rechargeable battery 16 is ground connection via switch module 18; The electric power of solar cell 11 outputs can be via 16 chargings of 15 pairs of rechargeable batteries of current-limiting resistance; When solar cell 11 in more dim ambient brightness, the for example following brightness of 200 lumens (lux), when the main system of the not enough calculator of electric power of its generation is used, rechargeable battery 16 can be via current-limiting resistance 15, the power output end 14 output powers main system to calculator, its required electric power is provided, and prevents the contrary phenomenon of filling that 16 pairs of solar cells of rechargeable battery 11 produce by diode 13.When under unglazed situation, first end and second end of switch module 18 are the closed condition that does not electrically conduct, make the earth terminal of rechargeable battery 16 can't be via switch module 18 ground connection, and can't constitute the loop with the main system or the solar cell 11 of calculator, promptly can't form electric loop, to avoid rechargeable battery 16 over-discharge can.
See also shown in Figure 2.Second embodiment of the solar charging device of the utility model electronic calculator, the structure that is connected one except rechargeable battery 16 with switch module 18, just second end of current-limiting resistance 15 electrically connects first end of switch module 18, second end of switch module 18 electrically connects first end of rechargeable battery 16, outside the structure of the second end ground connection of rechargeable battery 16, all the other structures and above-mentioned first embodiment are roughly the same, and have identical effect.
The switch module of above-mentioned first and second embodiment of the utility model can be respectively the transistor switch loop, or the mos transistor switch loop etc.As shown in Figure 3, the switch module 20 of the 3rd embodiment of the solar charging device of the utility model electronic calculator is a mos transistor switch loop, when rayed solar cell 11, solar cell 11 is via three end of resistance 19 output powers to switch module 20, make its 3rd end cause its first and second end to be conducted at high potential, switch module 20 be earth terminal that opening makes rechargeable battery 16 via switch module 20 ground connection, and have the function of chargeable or output power; When solar cell 11 during at unglazed state, promptly can't output power to the 3rd end of switch module 20, cause its first and second not conducting of end, switch module 20 is closed condition makes the earth terminal of rechargeable battery 16 form electric loop via switch module 20 ground connection, can not be recharged or the function of output power and do not have.
See also shown in Fig. 4,5.Fourth, fifth embodiment of the solar charging device of the utility model electronic calculator, roughly the same with the structure of above-mentioned first and second embodiment respectively, but the switch module 18 of fourth, fifth embodiment can be respectively optical coupler.When light, first and second end of switch module 18 promptly is the opening of conducting; When no light, its first and second end promptly is the closed condition of not conducting; Do not need to provide the voltage of control switch assembly 18, therefore can not need the configuration of resistance 19, and can simplify circuit structure shown in Fig. 4,5 by second end of as shown in Figure 1, 2 resistance 19.
The utility model makes electronic calculator can utilize solar energy that rechargeable battery is charged, the electric power of solar cell deficiency is provided by rechargeable battery, need not use general battery therefore need not change general battery, reduce the use amount of general battery, meet the environmental protection demand.And make electronic calculator can utilize solar energy fully, save and buy general battery cost, and reduce the trouble of changing general battery.
The above record only for utilizing the embodiment of the utility model technology contents, anyly is familiar with modification, the variation that this operator uses the utility model to do, and all belongs to the claim of the utility model opinion, and is not limited to embodiment institute disclosure.
Claims (9)
1. the solar charging device of an electronic calculator utilizes solar energy to the charging of electronic calculator internal rechargeable batteries, it is characterized in that, comprising:
One rechargeable battery;
One solar cell;
One changes to be controlled as with ambient brightness and opens or the switch module of closed condition, and this switch module is connected in series this rechargeable battery and this solar cell;
Wherein, this switch module is under opening, this solar cell and this rechargeable battery constitute an electric loop, when the voltage of the electric energy output of this solar cell was higher than the voltage of this rechargeable battery, this solar cell output power to this electronic calculator and this rechargeable battery simultaneously charged; When the voltage of the electric energy output of this solar cell was lower than the voltage of this rechargeable battery, this rechargeable battery output power was to this electronic calculator.
2. the solar charging device of electronic calculator as claimed in claim 1 is characterized in that, wherein this switch module is in closed condition, and this rechargeable battery can't form electric loop.
3. the solar charging device of electronic calculator as claimed in claim 1 is characterized in that, wherein comprises a diode between this solar cell and this rechargeable battery.
4. the solar charging device of electronic calculator as claimed in claim 3 is characterized in that, wherein comprises a current-limiting resistance between this diode and this rechargeable battery.
5. the solar charging device of electronic calculator as claimed in claim 1 is characterized in that, wherein comprises the stabipack of the electric weight output voltage stabilizing of a pair of this solar cell between this solar cell and this rechargeable battery.
6. the solar charging device of electronic calculator as claimed in claim 1 is characterized in that, comprises an electric capacity in parallel with this rechargeable battery.
7. the solar charging device of electronic calculator as claimed in claim 1 is characterized in that, wherein this switch module is a mos transistor switch loop; This MOS transistor is serially connected with between this solar cell and this rechargeable battery.
8. the solar charging device of electronic calculator as claimed in claim 1 is characterized in that, wherein this switch module is a mos transistor switch loop; This MOS transistor is serially connected with the earth terminal of this rechargeable battery.
9. the solar charging device of electronic calculator as claimed in claim 1 is characterized in that, wherein this switch module is an optical coupler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201394124U CN201044371Y (en) | 2006-12-30 | 2006-12-30 | Solar charger unit for electronic calculator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201394124U CN201044371Y (en) | 2006-12-30 | 2006-12-30 | Solar charger unit for electronic calculator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201044371Y true CN201044371Y (en) | 2008-04-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006201394124U Expired - Fee Related CN201044371Y (en) | 2006-12-30 | 2006-12-30 | Solar charger unit for electronic calculator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201044371Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106208234A (en) * | 2016-08-17 | 2016-12-07 | 东莞博力威电池有限公司 | A kind of charger method for measuring charged and testing circuit |
| CN107852003A (en) * | 2015-07-10 | 2018-03-27 | 合曼特·卡拉姆钱德·洛黑拉 | Blended electric power module |
-
2006
- 2006-12-30 CN CNU2006201394124U patent/CN201044371Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107852003A (en) * | 2015-07-10 | 2018-03-27 | 合曼特·卡拉姆钱德·洛黑拉 | Blended electric power module |
| CN106208234A (en) * | 2016-08-17 | 2016-12-07 | 东莞博力威电池有限公司 | A kind of charger method for measuring charged and testing circuit |
| CN106208234B (en) * | 2016-08-17 | 2019-07-19 | 东莞博力威电池有限公司 | A kind of charger method for measuring charged and detection circuit |
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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: 20080402 Termination date: 20151230 |
|
| EXPY | Termination of patent right or utility model |