CN202840616U - Solar power mobile charger - Google Patents
Solar power mobile charger Download PDFInfo
- Publication number
- CN202840616U CN202840616U CN 201220522146 CN201220522146U CN202840616U CN 202840616 U CN202840616 U CN 202840616U CN 201220522146 CN201220522146 CN 201220522146 CN 201220522146 U CN201220522146 U CN 201220522146U CN 202840616 U CN202840616 U CN 202840616U
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- charging
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- mobile phone
- battery
- solar
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Abstract
The utility model discloses a solar power mobile charger which comprises a photovoltaic cell panel, a mobile battery, a dry battery placing-in circuit, a voltage regulator circuit, a charging circuit and a charging detection and control circuit, wherein the charging circuit is connected with the dry battery placing-in circuit, the voltage regulator circuit, the mobile battery and the charging detection and control circuit, and the voltage regulator circuit is connected with the photovoltaic cell panel. According to the solar power mobile charger, the mobile charging function is achieved with the method of solar energy being converted into electric energy under the condition that no mains supply is available, and meanwhile solar energy storing function is achievable, and therefore outdoor usage is convenient. Furthermore, emergency charging is achievable in an emergency with the method of placing a dry battery in the charger, and the problem of difficult charging when an outdoor worker or an outdoor exercise and travel enthusiast uses a mobile outdoors is solved.
Description
Technical field
The utility model belongs to the new energy use technology field, particularly relates to a kind of solar mobile phone charging device.
Background technology
Along with the raising of people's living standard, mobile phone has become modern's necessity, the general usefulness of battery of mobile phone be lithium battery and Ni-MH battery.But the electric energy that lithium battery is stored can not make mobile phone have too lasting standby ability.The cellphone subscriber in use situation of suddenly running down of battery also is very general, and out of doors for the user of operation, battery of mobile phone exhausts and can bring great inconvenience for those, and being difficult to out of doors after all find can be as the power supply of cell-phone charging input.
Solar energy is just obtaining energetically promotion and application as a kind of regenerative resource in worldwide, not only can solve rubbish and the problem of environmental pollution that fossil fuel bring take solar energy as the energy, can also provide considerable quantity of energy for the mankind.If charger can utilize solar energy as energy sources, finally be converted into electric energy through a series of circuit and supply with cell-phone charging, when the mobile phone electric energy exhausts, can utilize easily so solar energy to carry out cell-phone charging, can solve the problem of field worker, outdoor exercises and the charging of tourism fan mobile phone.
Summary of the invention
For addressing the above problem, the utility model discloses a kind of solar mobile phone charging device, utilize photovoltaic effect that transform light energy is become electric energy, its electric energy can directly be given charging mobile phone battery by charger, also dry cell for subsequent use can be charged to mobile phone by the emergent charging circuit, can well solve out of doors the difficult problem to cell-phone charging.
The disclosed a kind of solar mobile phone charging device of the utility model, comprise photovoltaic battery panel, battery of mobile phone, dry cell place in circuit, voltage stabilizing circuit, charging circuit and charging detection and control circuit, described charging circuit is connected with dry cell place in circuit, voltage stabilizing circuit, battery of mobile phone and charging detection and control circuit respectively, and described voltage stabilizing circuit also is connected with photovoltaic battery panel.The photovoltaic battery panel of the utility model by arranging can effectively utilize photovoltaic effect that transform light energy is become electric energy, and can directly give charging mobile phone battery by charger; Dry cell for subsequent use can be charged to mobile phone by the emergent charging circuit by the dry cell place in circuit that arranges, solve field worker, outdoor exercises and the fan that travels are difficult to find charge power supply when battery of mobile phone exhausts out of doors problem.
A kind of improvement of the disclosed a kind of solar mobile phone charging device of the utility model also is provided with buzzer on the described solar mobile phone charging device, and described buzzer is located on charging detection and the control circuit.This improvement can be carried out the buzzing warning reminding after finishing for cell-phone charging, has removed manually check loaded down with trivial details from.
A kind of improvement of the disclosed a kind of solar mobile phone charging device of the utility model also is provided with LED light on the described solar mobile phone charging device, and described LED light is located on charging detection and the control circuit.This improvement can be carried out the battery detecting discovery when battery of mobile phone precharge battery failures sends alarm, has brought facility in time checking, keep in repair, change battery.
A kind of improvement of the disclosed a kind of solar mobile phone charging device of the utility model, described voltage stabilizing circuit are circuit of three-terminal voltage-stabilizing integrated LM7895.
A kind of improvement of the disclosed a kind of solar mobile phone charging device of the utility model, described charging circuit adopts the MAX1898 charging chip.
A kind of improvement of the disclosed a kind of solar mobile phone charging device of the utility model, described charging detection and control circuit adopt the AT89S52 microcontroller.
The disclosed a kind of solar mobile phone charging device of the utility model, can be implemented in and utilize solar energy to convert the function that electric energy charges to mobile phone in the situation without mains supply, carry simultaneously the solar energy power accumulating function, convenient open-air the use, and in case of emergency can in the middle of charger, access dry cell and carry out emergent charging, charging hard problem when well having solved field worker or outdoor exercises and the open-air use of tourism fan mobile phone.
Description of drawings
Fig. 1, connection diagram of the present utility model;
Fig. 2, fundamental diagram of the present utility model;
The circuit diagram of Fig. 3, the disclosed charging circuit of the utility model;
The circuit diagram of Fig. 4, the disclosed charging detection of the utility model and control circuit;
Fig. 5, integrated circuit figure of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, further illustrate the utility model, should understand following embodiment and only be used for explanation the utility model and be not used in restriction scope of the present utility model.Need to prove, word 'fornt', 'back', " left side ", " right side ", "up" and "down" that use is described below refer to the direction in the accompanying drawing, word " interior " and " outward " refer to respectively towards or away from the direction of particular elements geometric center.
Such as Fig. 1～shown in Figure 5, the disclosed a kind of solar mobile phone charging device of the utility model, comprise photovoltaic battery panel, battery of mobile phone, dry cell place in circuit, voltage stabilizing circuit, charging circuit and charging detection and control circuit, described charging circuit is connected with dry cell place in circuit, voltage stabilizing circuit, battery of mobile phone and charging detection and control circuit respectively, and described voltage stabilizing circuit also is connected with photovoltaic battery panel.The photovoltaic battery panel of the utility model by arranging can effectively utilize photovoltaic effect that transform light energy is become electric energy, and can directly give charging mobile phone battery by charger; Dry cell for subsequent use can be charged to mobile phone by the emergent charging circuit by the dry cell place in circuit that arranges, solve field worker, outdoor exercises and the fan that travels are difficult to find charge power supply when battery of mobile phone exhausts out of doors problem.
As a kind of preferred, also be provided with buzzer on the described solar mobile phone charging device, described buzzer is located on charging detection and the control circuit.The utility model can carry out the buzzing warning reminding after finishing for cell-phone charging, has removed manually check loaded down with trivial details from.
As a kind of preferred, also be provided with LED light on the described solar mobile phone charging device, described LED light is located on charging detection and the control circuit.The utility model can carry out the battery detecting discovery when battery of mobile phone precharge battery failures sends alarm, has brought facility in time checking, keep in repair, change battery.
As a kind of preferred, described voltage stabilizing circuit is circuit of three-terminal voltage-stabilizing integrated LM7895.
As a kind of preferred, described charging circuit adopts the MAX1898 charging chip.
As a kind of preferred, described charging detection and control circuit adopt the AT89S52 microcontroller.
Such as Fig. 2, shown in Figure 3, the electric energy of photovoltaic battery panel conversion is inputted later on charging circuit by the voltage stabilizing circuit voltage stabilizing, charging circuit is by the output signal CHG of single chip computer AT 89S52 monitoring MAX1898, when MAX1898 will finish charging, this pin can be the pulse of 4s in the cycle of sending, behind the INT0 pin receive interruption of single-chip microcomputer, produce and interrupt, and the T0 counter that uses single-chip microcomputer begins counting, when next pulse arrives, the count value of in timer program, judging single-chip microcomputer whether about 4s, if, then pass through control P1.2 and P1.3 pin power cutoff, and cause buzzer warning.
Exceed preset charged on the chip during time when 1% or charging interval that the charging current value of battery of mobile phone reaches the charging quickly flow valuve, MAX1898 will detect charge power supply automatically, if do not have power supply this moment, just thereby it can automatically shut down the loss that prevents battery electric quantity.Fill soon in case use, just can open at once peripheral P type field effect transistor, this moment, system constantly detected the voltage of battery, and system can change the pulse current charge pattern at once over to when its value reaches default threshold voltage, and the opening time of P type field effect transistor can constantly shorten under this pattern.When charging finished, LED light will present periodic flicker.
Under the control of the built-in charged state of MAX1898 and peripheral Single-chip Controlling, charging process is divided into precharge, constant current charge, constant voltage charge, disconnection charging and finishes 5 parts of reporting to the police.
1. precharge
After loading onto battery of mobile phone, input by the direct current that the solar battery group on the photovoltaic battery panel produces, this moment, whether charger can connect by the detection of handset battery, in case just timer is resetted when detecting battery of mobile phone, if battery of mobile phone voltage was crossed to hang down and just can be entered pre-charge process this moment, between precharge phase charger can be when filling soon 10% the charging the battery of electric current, make cell voltage and temperature return to normal condition.Set by CT mouth external capacitor precharge time.If cell voltage reaches 2.5V within precharge time, and battery temperature is normal, then enters the process of filling soon; If after surpassing precharge time, cell voltage still is lower than 2.5V, then charger shows battery failures, sends the fault instruction by single-chip microcomputer, the LED light flicker.
2. constant current charge
Charger will charge to battery of mobile phone with constant electric current in the constant current charge process.General battery of mobile phone is the selection standard charge rate nearly all, and finishing to fill soon needs about 1.5 hours time.In the constant current charge process, battery of mobile phone voltage meeting rising is increased to the final voltage that sets in case mobile phone battery is pressed, and constant current charge just can stop, and this moment, charging current was quick decline trend, and charging changes the constant voltage charge process over to.
3. constant voltage charge
Fill in the process in constant voltage, charged electrical fails to be convened for lack of a quorum and reduces gradually, until charge rate drops to below the settings or the time of completely filling is overtime, then charging process changes top cut-off charging over to; In the top cut-off charging process, charger can charge to battery of mobile phone with minimum charging current.Because there is internal resistance in battery of mobile phone, so the dividing potential drop of battery of mobile phone internal resistance also can be brought on the detection of battery of mobile phone voltage no small impact in this loop, so constant voltage charge and top cut-off charging interval are done suitable prolongation.
4. disconnect charging
After battery was full of, the MAX1898 chip can send interrupt signal to single-chip microcomputer, judged the complete state of charging in interruption.At this moment, by the Single-chip Controlling optocoupler, cut off LM7805 to the power supply of MAX1898 chip, make it in time disconnect charging, prevent overcharging of battery, and can reduce loss.
5. finish warning
After battery was full of, MAX1898 chip self can send instruction to external LED lamp, the flicker of LED lantern festival.Simultaneously, for the sake of security, single-chip microcomputer not only can cut off the power supply of MAX1898 chip automatically after the pulse that detects full state, and can pass through buzzer warning, and reminding user in time takes out battery.
The disclosed a kind of solar mobile phone charging device of the utility model, can be implemented in and utilize solar energy to convert the function that electric energy charges to mobile phone in the situation without mains supply, carry simultaneously the solar energy power accumulating function, convenient open-air the use, and in case of emergency can in the middle of charger, access dry cell and carry out emergent charging, charging hard problem when well having solved field worker or outdoor exercises and the open-air use of tourism fan mobile phone.
The disclosed technological means of the utility model scheme is not limited only to the disclosed technological means of above-mentioned technological means, also comprises the technical scheme that is comprised of above technical characterictic combination in any.The above is embodiment of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also are considered as protection range of the present utility model.
Claims (6)
1. solar mobile phone charging device, it is characterized in that: it comprises photovoltaic battery panel, battery of mobile phone, dry cell place in circuit, voltage stabilizing circuit, charging circuit and charging detection and control circuit, described charging circuit is connected with dry cell place in circuit, voltage stabilizing circuit, battery of mobile phone and charging detection and control circuit respectively, and described voltage stabilizing circuit also is connected with photovoltaic battery panel.
2. a kind of solar mobile phone charging device according to claim 1 is characterized in that: also be provided with buzzer on the described solar mobile phone charging device, described buzzer be located at that charging detects and control circuit on.
3. a kind of solar mobile phone charging device according to claim 1 and 2 is characterized in that: also be provided with LED light on the described solar mobile phone charging device, described LED light be located at that charging detects and control circuit on.
4. a kind of solar mobile phone charging device according to claim 1, it is characterized in that: described voltage stabilizing circuit is circuit of three-terminal voltage-stabilizing integrated LM7895.
5. a kind of solar mobile phone charging device according to claim 1 is characterized in that: described charging circuit employing MAX1898 charging chip.
6. a kind of solar mobile phone charging device according to claim 1 is characterized in that: described charging detection and control circuit employing AT89S52 microcontroller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220522146 CN202840616U (en) | 2012-10-12 | 2012-10-12 | Solar power mobile charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220522146 CN202840616U (en) | 2012-10-12 | 2012-10-12 | Solar power mobile charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202840616U true CN202840616U (en) | 2013-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220522146 Expired - Fee Related CN202840616U (en) | 2012-10-12 | 2012-10-12 | Solar power mobile charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202840616U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107172232A (en) * | 2016-04-15 | 2017-09-15 | 广州市瑞峰电力科技有限公司 | Photovoltaic mobile phone charging pack |
| CN114784936A (en) * | 2022-01-12 | 2022-07-22 | 深圳市可信华成通信科技有限公司 | Terminal protection clamp with photovoltaic charging function and photovoltaic charging system thereof |
-
2012
- 2012-10-12 CN CN 201220522146 patent/CN202840616U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107172232A (en) * | 2016-04-15 | 2017-09-15 | 广州市瑞峰电力科技有限公司 | Photovoltaic mobile phone charging pack |
| CN114784936A (en) * | 2022-01-12 | 2022-07-22 | 深圳市可信华成通信科技有限公司 | Terminal protection clamp with photovoltaic charging function and photovoltaic charging system thereof |
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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: 20130327 Termination date: 20141012 |
|
| EXPY | Termination of patent right or utility model |