CN202872418U - Solar charger with functions of electric quantity displaying and temperature protection - Google Patents

Solar charger with functions of electric quantity displaying and temperature protection Download PDF

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Publication number
CN202872418U
CN202872418U CN 201220546195 CN201220546195U CN202872418U CN 202872418 U CN202872418 U CN 202872418U CN 201220546195 CN201220546195 CN 201220546195 CN 201220546195 U CN201220546195 U CN 201220546195U CN 202872418 U CN202872418 U CN 202872418U
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CN
China
Prior art keywords
solar
reserve battery
voltage
circuit
electric
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
Application number
CN 201220546195
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Chinese (zh)
Inventor
郑厚银
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.)
Mitac Computer Kunshan Co Ltd
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Mitac Computer Kunshan Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitac Computer Kunshan Co Ltd filed Critical Mitac Computer Kunshan Co Ltd
Priority to CN 201220546195 priority Critical patent/CN202872418U/en
Application granted granted Critical
Publication of CN202872418U publication Critical patent/CN202872418U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a solar charger with functions of electric quantity displaying and temperature protection. The solar charger comprises a solar plate for receiving solar energy and converting the solar energy into electric energy; a first boost circuit for boosting the voltage of the electric energy obtained by the conversion through the solar plate into a first voltage; a standby battery storing the electric energy with the voltage boosted by the first boost circuit in a charged manner; a temperature detection circuit detecting whether the temperature is exceeding a preset value when the standby battery is charged; an electric quantity display circuit displaying the electric quantity of the standby battery in a real-time manner; a second boost circuit for boosting the voltage output by the standby battery into a second voltage; and a charging interface for charging an external member. By adding the temperature detection circuit, the solar charger is enabled to remind a user to stop charging in case of excessively high temperature. In this way, the service lifetime of the standby battery will not be shortened due to the frequent excessive temperature, when the standby battery is a lithium ion battery. By adding the electric quantity display circuit, the solar charger enables the user to notice whether there is electricity in the standby battery or not in a direct-viewing way and further judge whether a charging operation is required or not.

Description

Solar charger with electric weight demonstration and temperature protection
[technical field]
The utility model relates to a kind of solar charger, particularly relates to a kind of solar charger with electric weight demonstration and temperature protection.
[background technology]
Solar energy is primary energy, is again regenerative resource.Its aboundresources both can freely use, need not again the transportation, to environment without any pollution.For the mankind have created a kind of new lifestyle, make society and the human epoch that enter an energy savings minimizing pollution.Therefore, solar energy is more and more favored by people as a kind of cleaning and the convenient energy that obtains.
For portable type electronic product, usually can use powered battery.And battery is charged, people just consider to adopt solar charger.Present solar charger shows without electric weight, and the user does not know how many electric weight reserve battery probably has.Simultaneously, present solar charger is not known the reserve battery internal temperature without temperature protection when charging to reserve battery with solar panels, also can't protect when excess Temperature.
In view of this, be necessary to develop in fact a kind of spring structure of mould slide block, to address the above problem.
[summary of the invention]
Therefore, the purpose of this utility model provides a kind ofly has that electric weight shows and the solar charger of temperature protection, and solution can't be known the electric weight of reserve battery and temperature too high problem whether when charging.
In order to achieve the above object, the solar charger with electric weight demonstration and temperature protection that the utility model provides comprises:
Solar panels receive solar energy to be converted to electric energy;
The first booster circuit is electrically connected with described solar panels, and the electric energy that described solar panels are converted to boosts to the first voltage;
Reserve battery is electrically connected with described the first booster circuit, and the deposit that charges of the electric energy after described the first booster circuit boosted;
Temperature sensing circuit is electrically connected with described reserve battery, detects described reserve battery temperature when charging and whether surpasses a preset value;
Electric quantity display circuit is electrically connected with described reserve battery, shows in real time the battery electric quantity of described reserve battery;
The second booster circuit is electrically connected with described reserve battery, with the boost in voltage of described reserve battery output to second voltage;
Charging inlet, one end and described the second booster circuit are electrically connected, and the other end charges to external world.
Optionally, described solar charger also has reduction voltage circuit, described reduction voltage circuit input and an external charger electric connection, output and described reserve battery are electrically connected, and the voltage that described external charger is provided carries out step-down so that described reserve battery is charged.
Optionally, described reserve battery and an external charger are electrically connected, and described external charger charges to described reserve battery.
Optionally, described the first booster circuit is the TPS61220 integrated circuit.
Optionally, described the second booster circuit is the BQ24090 integrated circuit.
Optionally, described the first voltage is 4.2V.
Optionally, described second voltage is 5V.
Optionally, described temperature sensing circuit comprises display unit, and described display unit for example is red LED lamp, and described reserve battery temperature when charging surpasses a preset value, and then the LED lamp of described redness is luminous.
Optionally, described electric quantity display circuit has a switch, open described switch after, just carry out described electric weight and show.
Optionally, described electric quantity display circuit has some electric weight display units, for example is four light-emitting diodes, the electric weight positive correlation of lumination of light emitting diode number and described reserve battery.
Optionally, described charging inlet is USB interface.
Compared to prior art, utilize the solar charger with electric weight demonstration and temperature protection of the present utility model, on the one hand owing to increasing temperature sensing circuit, can stop charging by reminding user temperature Gao Shiying, when so being lithium ion battery for reserve battery, the problem that the frequent higher meeting of temperature reduces battery life; Increase on the other hand electric quantity display circuit, make the user know that more intuitively reserve battery has and do not have electricity, need charging.
[description of drawings]
Fig. 1 illustrates the modular structure figure for the solar charger that the utlity model has electric weight demonstration and temperature protection.
[embodiment]
See also Fig. 1, Fig. 1 illustrates the modular structure figure for the solar charger that the utlity model has electric weight demonstration and temperature protection.
The solar charger 100 with electric weight demonstration and temperature protection that the utility model discloses in the present embodiment, comprising:
Solar panels 10 receive solar energy to be converted to electric energy, and the electric energy voltage that described solar panels 10 are converted to for example is 0.7~1.0V;
The first booster circuit 20 is electrically connected with described solar panels 10, and the electric energy that described solar panels 10 are converted to boosts to the first voltage, and described the first voltage for example is 4.2V, and described the first booster circuit 20 for example is the TPS61220 integrated circuit;
Reserve battery 30 is electrically connected with described the first booster circuit 20, and the deposit that charges of the electric energy after described the first booster circuit 20 boosted;
Temperature sensing circuit 40 is electrically connected with described reserve battery 30, detects described reserve battery 30 temperature when charging and whether surpasses a preset value;
Electric quantity display circuit 50 is electrically connected with described reserve battery 30, shows in real time the battery electric quantity of described reserve battery 30;
The second booster circuit 60 is electrically connected with described reserve battery 30, and to second voltage, described second voltage for example is 5V with the boost in voltage of described reserve battery 30 outputs, and described the second booster circuit 60 for example is the BQ24090 integrated circuit;
Charging inlet 70, one end and described the second booster circuit 60 are electrically connected, and the other end charges to external world.
In the present embodiment, described solar charger 100 also has reduction voltage circuit 80, described reduction voltage circuit 80 inputs and an external charger 90 electric connections, output and described reserve battery 30 are electrically connected, and the voltage that described external charger 90 is provided carries out step-down so that described reserve battery 30 is charged.Herein, the input voltage of institute's external charger for example is the interchange point of 100~240V, and the output voltage of described external charger 90 for example is the direct current of 5V.
Certainly, described reserve battery 30 also can directly be electrically connected with an external charger 90, and 90 pairs of described reserve batteries 30 of described external charger charge, and the output voltage of the external charger 90 of this moment for example is the direct current of 4.2V.
Wherein, described temperature sensing circuit 40 comprises display unit, and described display unit for example is red LED lamp, and described reserve battery temperature when charging surpasses a preset value, and then the LED lamp of described redness is luminous.
Wherein, described electric quantity display circuit 50 can have a switch, open described switch after, just carry out described electric weight and show, so can when need not to know electric weight, not show, thereby save electric weight.
Wherein, described electric quantity display circuit 50 has some electric weight display units, for example be four light-emitting diodes, the electric weight positive correlation of lumination of light emitting diode number and described reserve battery 30, four LED lamps are bright when electric weight is 100%, three LED lamps are bright when electric weight is 75%, and two LED lamps are bright when electric weight is 50%, and a LED lamp is bright when electric weight is 25%.
Wherein, described charging inlet 70 can be USB interface, thereby can be suitable for more existing portable electric appts.
Compared to prior art, utilize the solar charger 100 with electric weight demonstration and temperature protection of the present utility model, on the one hand owing to increasing temperature sensing circuit 40, can stop charging by reminding user temperature Gao Shiying, when so being lithium ion battery for reserve battery, the problem that the frequent higher meeting of temperature reduces battery life; Increase on the other hand electric quantity display circuit 50, make the user know that more intuitively reserve battery has and do not have electricity, need charging.

Claims (10)

1. the solar charger with electric weight demonstration and temperature protection is characterized in that, it comprises:
Solar panels receive solar energy to be converted to electric energy;
The first booster circuit is electrically connected with described solar panels, and the electric energy that described solar panels are converted to boosts to the first voltage;
Reserve battery is electrically connected with described the first booster circuit, and the deposit that charges of the electric energy after described the first booster circuit boosted;
Temperature sensing circuit is electrically connected with described reserve battery, detects described reserve battery temperature when charging and whether surpasses a preset value;
Electric quantity display circuit is electrically connected with described reserve battery, shows in real time the battery electric quantity of described reserve battery;
The second booster circuit is electrically connected with described reserve battery, with the boost in voltage of described reserve battery output to second voltage;
Charging inlet, one end and described the second booster circuit are electrically connected, and the other end charges to external world.
2. as claimed in claim 1 have that electric weight shows and the solar charger of temperature protection; it is characterized in that; described solar charger also has reduction voltage circuit; described reduction voltage circuit input and an external charger electric connection, output and described reserve battery are electrically connected, and the voltage that described external charger is provided carries out step-down so that described reserve battery is charged.
3. the solar charger with electric weight demonstration and temperature protection as claimed in claim 1 is characterized in that, described reserve battery and an external charger are electrically connected, and described external charger charges to described reserve battery.
4. the solar charger with electric weight demonstration and temperature protection as claimed in claim 1 is characterized in that, described the first booster circuit is the TPS61220 integrated circuit.
5. the solar charger with electric weight demonstration and temperature protection as claimed in claim 1 is characterized in that, described the second booster circuit is the BQ24090 integrated circuit.
6. the solar charger with electric weight demonstration and temperature protection as claimed in claim 1 is characterized in that, described the first voltage is 4.2V, and described second voltage is 5V.
7. the solar charger with electric weight demonstration and temperature protection as claimed in claim 1 is characterized in that, described charging inlet is USB interface.
8. the solar charger with electric weight demonstration and temperature protection as claimed in claim 1 is characterized in that, described temperature sensing circuit comprises display unit, and described reserve battery temperature when charging surpasses a preset value, and then described display unit shows.
9. the solar charger with electric weight demonstration and temperature protection as claimed in claim 1 is characterized in that, described electric quantity display circuit has a switch, controls the break-make that described electric weight shows.
10. as claimed in claim 1 have that electric weight shows and the solar charger of temperature protection; it is characterized in that; described electric quantity display circuit has some electric weight display units, for example is four light-emitting diodes, the electric weight positive correlation of lumination of light emitting diode number and described reserve battery.
CN 201220546195 2012-10-24 2012-10-24 Solar charger with functions of electric quantity displaying and temperature protection Expired - Fee Related CN202872418U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220546195 CN202872418U (en) 2012-10-24 2012-10-24 Solar charger with functions of electric quantity displaying and temperature protection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220546195 CN202872418U (en) 2012-10-24 2012-10-24 Solar charger with functions of electric quantity displaying and temperature protection

Publications (1)

Publication Number Publication Date
CN202872418U true CN202872418U (en) 2013-04-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103779880A (en) * 2012-10-24 2014-05-07 神讯电脑(昆山)有限公司 Solar charger with electric quantity display and temperature protection
CN107276038A (en) * 2017-07-31 2017-10-20 阳光电源股份有限公司 A kind of excess temperature protection method and controller of power optimization device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103779880A (en) * 2012-10-24 2014-05-07 神讯电脑(昆山)有限公司 Solar charger with electric quantity display and temperature protection
CN107276038A (en) * 2017-07-31 2017-10-20 阳光电源股份有限公司 A kind of excess temperature protection method and controller of power optimization device

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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: 20130410

Termination date: 20191024

CF01 Termination of patent right due to non-payment of annual fee