CN213367442U - Mobile power supply charged by solar energy - Google Patents
Mobile power supply charged by solar energy Download PDFInfo
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- CN213367442U CN213367442U CN202021925819.6U CN202021925819U CN213367442U CN 213367442 U CN213367442 U CN 213367442U CN 202021925819 U CN202021925819 U CN 202021925819U CN 213367442 U CN213367442 U CN 213367442U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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Abstract
The utility model provides an utilize solar charging's portable power source, include: the solar charging system comprises a built-in battery, wherein an input circuit is connected between the built-in battery and a solar battery, and the input circuit has the functions of caller identification, polarity display, polarity protection, port short-circuit protection and solar charging protection. The built-in battery is also connected with an undervoltage protection circuit for preventing the battery from being overcharged, short-circuited and undervoltage. The mobile power supply of the utility model can prevent the damage to the battery due to the overcharge, short circuit and undervoltage of the battery by arranging the undervoltage protection circuit between the solar battery and the built-in battery; in addition, the input circuit is arranged between the solar battery and the built-in battery, so that protection can be provided when the positive and negative of the input voltage are reversely connected and the port is short-circuited, the input is automatically disconnected when the solar input voltage is lower than the voltage of the built-in battery, the charging cannot be changed into discharging, and the damage of the mobile power supply is effectively prevented.
Description
Technical Field
The utility model relates to a portable power source technical field particularly, relates to an utilize solar charging's portable power source.
Background
The portable power supply is a portable charger integrating power supply and charging functions, and generally has the characteristics of large capacity, multiple purposes, small volume, long service life, safety, reliability and the like, and can supply power or charge in a standby mode for various digital products such as mobile phones, digital cameras, MP3, MP4, PDAs, palm computers, palm game machines and the like at any time and any place. With the development of mobile power supplies, the mobile power supplies charged by solar energy appear, and the purpose of complementing electric quantity can be achieved by charging through sunlight in the using process.
Currently, mobile power sources charged by solar energy have been marketed, but there is still an increasing demand for such products in terms of quality, safety and practicality. When the solar mobile power supply charges the built-in battery by using the solar battery, the charging voltage is changed from zero (at night) to the maximum value (when the sunlight is strongest), the solar voltage is higher than the voltage of the built-in battery for a period of time, the mobile power supply can be normally charged at the moment, and the solar voltage is higher than the voltage of the built-in battery for another period of time, so that the charging is changed into discharging. Some products on the market are provided with a solar cell and a power supply, the solar cell of the product has too small area and insufficient energy supply, and the product is difficult to take out and continuously faces to the sunlight in use, so the practicability is not ideal. For a product with a solar cell and a power supply divided into two parts, the solar cell supplies power to the power supply through a lead, a plug and a socket. Due to the use of a wire, a plug and a socket, the functions of charging caller identification, input port short-circuit protection, polarity protection, solar charging protection and the like are expected by some users; in addition, the output of some product solar batteries is used for charging the built-in battery through a protection circuit and directly supplying power to the booster circuit. When the built-in battery is not fully charged, the voltage applied to the booster circuit is basically the voltage of the built-in battery, when the built-in battery is fully charged, the connection between the solar battery and the built-in battery is disconnected due to the action of the protection circuit, the output voltage of the solar battery is directly applied to the booster circuit, and when the illumination intensity is large enough, the high voltage output by the solar battery can damage the booster circuit due to the influence of the illumination intensity on the output voltage of the solar battery.
In view of the above, the present invention is particularly proposed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an utilize solar charging's portable power source. The mobile power supply of the utility model can prevent the damage to the battery due to the overcharge, short circuit and undervoltage of the battery by arranging the undervoltage protection circuit between the solar battery and the built-in battery; in addition, the input circuit is arranged between the solar battery and the built-in battery, so that protection can be provided when the positive and negative of the input voltage are reversely connected and the port is short-circuited, the input is automatically disconnected when the solar input voltage is lower than the voltage of the built-in battery, the charging cannot be changed into discharging, and the damage of the mobile power supply is effectively prevented.
In order to realize the above purpose of the utility model, the following technical scheme is adopted:
the utility model provides an utilize solar charging's portable power source, include: the solar battery comprises a built-in battery, wherein an input circuit is connected between the built-in battery and a solar battery, the input circuit has the functions of caller identification, polarity display, polarity protection, port short-circuit protection and solar charging protection, and the built-in battery is also connected with an undervoltage protection circuit for preventing the battery from being overcharged, short-circuited and undervoltage.
The utility model discloses a portable power source is through increasing input circuit, can show solar energy input voltage and have or not reachd input port and solar energy input voltage's positive and negative polarity, provides the protection when the positive and negative reversal of input voltage reaches the port and takes place the short circuit and automatic disconnection input when solar energy input voltage is less than built-in battery voltage, makes to charge and can not become and discharge. Through setting up undervoltage protection circuit, can guarantee that overcharging can not appear when solar cell charges to built-in battery, provide the protection when built-in battery short circuit and undervoltage.
Preferably, the built-in battery is connected with the boost circuit simultaneously for supplying power to the boost circuit, and a boost protection circuit is connected between the built-in battery and the boost circuit.
Preferably, the input circuit comprises a bipolar bicolor light emitting diode, a protection diode and a resistor, one end of the bipolar bicolor light emitting diode is connected with the protection diode, and the resistor is connected with the other end of the bipolar bicolor light emitting diode. The input circuit can display whether the solar input voltage reaches the input port or not, can display the positive and negative polarities of the solar input voltage, can provide protection when the positive and negative of the input voltage are reversely connected and the port is short-circuited, and can automatically disconnect the input when the solar input voltage is lower than the voltage of the built-in battery, so that the charging cannot become discharging. The bipolar bicolor led will emit light when there is an electrical input at the input of the circuit: green light is emitted when the polarity of the input voltage is 1 plus 2 minus, and red light is emitted when the polarity of the input voltage is 1 minus 2 minus, that is, the circuit can display the existence and the polarity of the input voltage; when the input end 1 of the circuit is positive and the input end 2 of the circuit is negative, the protection diode is conducted, and the input electric energy of the solar battery can be transmitted backwards. When the positive protection diode is cut off when the negative 2 of the input end 1 of the circuit is in positive, the input circuit is isolated from the following circuit to realize polarity protection; if the input end is short-circuited, the protection diode is cut off, and the following circuit is isolated and is not influenced by the short circuit of the input end, so that the short-circuit protection of the input end is realized; when the input solar voltage is lower than the voltage of the built-in battery, the protection diode is cut off, the built-in battery cannot discharge to the solar battery, and solar charging protection is achieved. The resistor has the function of reducing voltage, so that the bipolar bicolor light-emitting diode can work at a proper voltage.
Preferably, the built-in battery is any one of a lithium ion battery, a lithium ion polymer battery and a lithium iron phosphate battery.
Preferably, the boost circuit is connected with a USB interface. The USB interface supplies power or charges in standby mode for various digital products such as mobile phones, digital cameras, MP3, MP4, PDAs, palm computers, palm game machines and the like.
Compared with the prior art, the beneficial effects of the utility model reside in that, the utility model provides an utilize solar charging's portable power source through set up input circuit between solar cell and built-in battery, can show that solar output voltage has or not reachs input port, can show solar output voltage's positive negative polarity, can provide the protection when the positive and negative reversal of input voltage and port take place the short circuit, can be when solar input voltage is less than built-in battery voltage automatic disconnection input, make to charge can not become and discharge. The charging protection circuit arranged in the built-in battery can ensure that the solar battery cannot be overcharged when charging the built-in battery and the built-in battery is protected when short circuit and undervoltage occur; the booster circuit is connected with the built-in battery instead of the solar battery after passing through the protection circuit, so that the booster circuit can be prevented from being damaged when the voltage of the solar battery is too high.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a block diagram of a mobile power supply charged by solar energy according to an embodiment of the present invention;
fig. 2 is a circuit diagram of an input circuit provided by the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1, for the utility model provides an utilize solar charging's portable power source, it includes built-in battery, built-in battery and solar cell intermediate junction have input circuit, input circuit has caller identification, polarity demonstration, polarity protection, port short-circuit protection and solar charging protect function, built-in battery has still connect and is used for preventing battery overcharge, short circuit and undervoltage protection circuit.
Specifically, the input circuit can display whether the solar input voltage reaches the input port and the positive and negative polarities of the solar input voltage, provide protection when the positive and negative polarities of the input voltage are reversely connected and the port is short-circuited, and automatically disconnect the input when the solar input voltage is lower than the voltage of the built-in battery, so that the charging cannot become discharging. The undervoltage protection circuit can ensure that the overcharge can not occur when the built-in battery is charged by the solar battery, and provides protection when the built-in battery is short-circuited and undervoltage.
Furthermore, the built-in battery is connected with the booster circuit simultaneously to be used for supplying power for the booster circuit, the built-in battery with the intermediate junction of booster circuit has the boost protection circuit.
Furthermore, the solar cell has large capacity, and can use a fixed solar panel or a movable solar panel, for example, a movable solar panel, and the solar panel can be a cap type or a backpack type.
Specifically, the built-in battery may be any size battery as long as it is ensured that it can provide the stored power.
Further, the built-in battery is one of a lithium ion battery, a lithium ion polymer battery or a lithium iron phosphate battery.
Specifically, referring to fig. 2, the input circuit includes a bipolar bi-color light emitting diode, a protection diode, and a resistor. One end of the bipolar two-color light emitting diode is connected with the protection diode, and the other end of the bipolar two-color light emitting diode is connected with the resistor. When the input end of the circuit has electric energy input, the bipolar bicolor light-emitting diode can emit light: green light when the input voltage polarity is 1 plus 2 minus, red light when the input voltage polarity is 1 minus 2 minus, that is, the circuit can display the existence and polarity of the input voltage; when the input end 1 of the circuit is positive and negative, the protection diode is conducted, and the input electric energy of the solar cell can be transmitted backwards; when the positive protection diode of the negative 2 of the input end 1 of the circuit is cut off, the input electric energy can not be transmitted backwards, and at the moment, the polarity protection is realized. If the input end is short-circuited, the protection diode is cut off, and the following circuit is isolated and is not influenced by the short-circuit of the input end, so that the short-circuit protection of the input end is realized. When the input solar voltage is lower than the voltage of the built-in battery, the circuit behind the cut-off of the protection diode is isolated, the built-in battery cannot discharge to the solar battery, and solar charging protection is achieved.
Specifically, the boost circuit is connected to a USB interface. The USB interface supplies power or charges in standby mode for various digital products such as mobile phones, digital cameras, MP3, MP4, PDAs, palm computers, palm game machines and the like.
Therefore, the utility model provides an utilize portable power source of solar charging, through set up input circuit between solar cell and built-in battery, can show that solar energy output voltage has or not arrived the input port, can show the positive and negative polarity of solar energy output voltage, can provide the protection when the positive and negative reversal of input voltage and port take place the short circuit, can be when solar energy input voltage is less than built-in battery voltage automatic disconnection input, make the charging can not become the discharge; the charging protection circuit is arranged between the input circuit and the built-in battery, so that overcharge, short circuit and undervoltage protection are provided when the solar battery is charged; the booster circuit is connected with the built-in battery instead of the solar battery after passing through the protection circuit, so that the booster circuit can be prevented from being damaged when the voltage of the solar battery is too high. If the solar battery directly supplies power to the booster circuit and charges the built-in battery through the charging protection circuit, when the built-in battery is not fully charged, the power supply voltage of the booster circuit is basically the voltage of the built-in battery, when the built-in battery is fully charged, the connection of the built-in battery is disconnected due to the charging protection circuit, and at the moment, the booster circuit is directly supplied with power by the solar battery, so that the booster circuit can be damaged due to overhigh voltage of the solar battery.
So far, the technical solution of the present invention has been described with reference to the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, a person skilled in the art can make equivalent changes or substitutions to the related technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention; various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. A portable power source charged by solar energy, comprising: the solar charging system comprises a built-in battery, an input circuit, a charging control circuit and a charging control circuit, wherein the input circuit is connected between the built-in battery and a solar battery and has the functions of caller identification, polarity display, polarity protection, port short-circuit protection and solar charging protection; the built-in battery is also connected with an undervoltage protection circuit for preventing the battery from being overcharged, short-circuited and undervoltage;
the input circuit comprises a bipolar bicolor light-emitting diode, a protection diode and a resistor, wherein one end of the bipolar bicolor light-emitting diode is connected with the protection diode, and the resistor is connected with the other end of the bipolar bicolor light-emitting diode.
2. The mobile power supply charged by solar energy according to claim 1, wherein the built-in battery is connected to the boost circuit for supplying power to the boost circuit, and a boost protection circuit is connected between the built-in battery and the boost circuit.
3. The portable power source charged by solar energy according to claim 1, wherein the built-in battery is any one of a lithium ion battery, a lithium ion polymer battery, and a lithium iron phosphate battery.
4. The mobile power supply charged by solar energy according to claim 2, wherein the voltage boosting circuit is connected to a USB interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021925819.6U CN213367442U (en) | 2020-09-07 | 2020-09-07 | Mobile power supply charged by solar energy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021925819.6U CN213367442U (en) | 2020-09-07 | 2020-09-07 | Mobile power supply charged by solar energy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213367442U true CN213367442U (en) | 2021-06-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021925819.6U Active CN213367442U (en) | 2020-09-07 | 2020-09-07 | Mobile power supply charged by solar energy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213367442U (en) |
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2020
- 2020-09-07 CN CN202021925819.6U patent/CN213367442U/en active Active
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