CN103560557A - Portable power supply device - Google Patents

Abstract

The invention discloses a portable power supply device, which includes a casing, a control circuit board, a DC output interface and/or a USB output interface, a generator, a turntable, a handle and a battery pack. The generator is installed in the casing and the output terminal It is electrically connected with the battery pack, the input shaft of the generator is fixed to the turntable, and a through groove is opened on the surface of the turntable, and one end of the handle is engaged in the through groove and pivotally connected to the turntable. The two inner side walls of the through groove, the lower bottom surface of the housing near the end of the turntable is provided with an accommodating groove for the other end of the handle to be accommodated when the handle is folded; the battery pack is built into the housing and Electrically connected with the control circuit board, the battery pack includes at least two batteries, and the two batteries are connected in parallel. The portable power supply device of the invention has the advantages of small size, portability and the ability to generate electricity by hand.

Description

Portable Power Unit

technical field

The invention relates to a mobile power supply, in particular to a portable power supply device.

Background technique

With the continuous development of science and technology, today's electronic equipment is used more and more, therefore, the demand for electricity in life and production is increasing day by day. Especially in developed areas, the demand for electricity far exceeds that in remote areas, which makes the power supply facilities in developed areas very complete, effectively ensuring the continuous supply of electricity; but in remote areas, due to unfavorable geographical location and imperfect power supply facilities, the power supply is not timely. Or intermittent power supply, serious or even long-term powerless state. Therefore, when running into an urgent or important situation, the lighting system cannot be used if the power is cut off, which may bring unnecessary troubles to users and even cause great losses.

In this regard, the use of mobile power in remote areas to deal with the situation of no electricity has become a necessary means for people; however. Before the existing mobile power supply is powered, it can only be used by charging itself when there is electricity, and after use, it can only continue to be used by charging itself again when there is an external power supply; and due to technical reasons, until So far, no battery with small size and large capacity has been developed, so it is difficult to supply power for a long time; when the power of the mobile power supply is exhausted, it still cannot continue to supply power, and the problem of continuous power supply cannot be solved well; therefore, it is more and more unable to satisfy people. use needs.

Contents of the invention

The object of the present invention is to provide a portable power supply device that is small in size, easy to carry, and capable of performing manual power generation or other DC energy input to charge batteries or battery packs.

In order to achieve the above object, the portable power supply device provided by the present invention includes a housing, a control circuit board, a DC output interface and/or a USB output interface, the control circuit board is installed in the housing and connected to the DC output interface and /or USB output interface is electrically connected, the portable power supply device also includes a generator, a turntable, a handle and a battery pack, the generator is installed in the housing and the output end is electrically connected to the battery pack, the generator The input shaft of the input shaft is fixed to the turntable, the surface of the turntable is provided with a through groove, one end of the handle is engaged in the through groove and pivotally connected to the two inner side walls of the through groove, and the One end of the lower bottom surface close to the turntable is provided with an accommodating groove for the other end of the handle to be accommodated when the handle is folded; The pack comprises at least two batteries, said batteries being connected in parallel with each other.

Preferably, an accommodating hole is opened on the outer side wall of the handle, and a fixing sleeve and a steel ball are arranged in the accommodating hole, the fixing sleeve is fixed in the accommodating hole, and the inner wall of the through groove is provided with There is a depression, and the steel ball protrudes from the fixing sleeve and engages with the depression. By arranging the fixing sleeve and the steel ball, the steel ball is engaged with the depression, so that the handle is fixed in the through groove, and the power generation by hand is more stable.

Preferably, the front of the battery is provided with a pair of first discharge terminal jacks and a pair of charging terminal jacks, and the back is provided with a pair of first discharge terminals and a pair of charging terminals. When two batteries are connected in parallel, one of them The first discharge terminal of the battery and the charging terminal are inserted into the first discharge terminal jack and the charging terminal jack of another battery respectively. By setting the first discharge terminal jack, the charging terminal jack, the first discharge terminal and the charging terminal, a plurality of batteries can be connected in parallel, so that the storage battery can be expanded, the power storage capacity of the portable power supply device can be increased, and the Its battery life is greatly improved.

Preferably, the front of the battery is provided with a positioning post, and the back is provided with a positioning hole. When the two batteries are connected in parallel, the positioning post of one battery is plugged into the positioning hole of the other battery. The cooperation of the positioning post and the positioning hole can make a plurality of batteries can be fixed neatly and orderly, so as to form the battery pack, effectively utilize the space inside the housing, and realize the minimization of volume.

Preferably, the portable power supply device further includes a DC input interface, and the DC input interface is electrically connected to the control circuit board. By setting the DC input interface, the portable power supply device can obtain more power from the outside through various charging forms, such as solar energy, wind energy, commercial power or diesel power generation, etc., so that the portable power supply device can Quickly acquire and store power, effectively improving the flexibility and portability of charging.

Preferably, there are at least two DC output interfaces and/or USB output interfaces, and the two DC output interfaces and/or USB output interfaces are electrically connected in parallel. The provision of multiple output interfaces can enable the portable power supply device of the present invention to simultaneously supply power to multiple electric devices, effectively meeting the demand for simultaneous power consumption.

Preferably, the control circuit board includes a microprocessor, a power supply circuit and a charging circuit, the power supply circuit is electrically connected to the microprocessor, two DC output interfaces and a battery pack, and the charging circuit is respectively connected to the The battery pack is electrically connected to the DC input interface. The charging circuit is also provided with a solar controller for tracking maximum power. Utilizing the solar energy controller can effectively improve the utilization rate of solar energy during solar charging, thereby obtaining electricity to the maximum extent.

Specifically, the control circuit board further includes a communication module, and the communication module is electrically connected to the microprocessor. The communication module is used for communicating with the host when multiple machines are in serial, so that the host can perform effective energy management.

Specifically, the portable power supply device further includes a control button and a lighting lamp, the lighting lamp is installed at one end of the housing and electrically connected to the power supply circuit, and the control button is electrically connected to the microprocessor. The illuminating lamp can facilitate the user's activities at night and bring great convenience to the user.

Specifically, the control circuit board also includes a detection device for detecting the charging voltage and charging current of the battery pack and a display screen for displaying the charging voltage and charging current, the detection device is electrically connected to the battery pack, and the The display screen is electrically connected with the microprocessor.

Compared with the prior art, since the present invention is equipped with a generator, a turntable, a handle and a battery pack, a through groove is opened on the surface of the turntable, so that one end of the handle is engaged in the through groove and pivotally connected. On both inner side walls of the through groove, and on the lower bottom surface of the housing near the end of the turntable, there is an accommodating groove for accommodating the other end of the handle; therefore, when the handle is opened, the The handle is clamped with the through slot to make the hand-operated power generation easier and more convenient. When the handle is folded, the handle is accommodated in the accommodating slot, thereby reducing the volume of the entire portable power supply device and making it easy to use In addition, since the battery pack has a plurality of batteries connected in parallel, the battery of the present invention can be expanded, thereby effectively enhancing the capacity of the battery of the portable power supply device and improving the battery life.

Description of drawings

FIG. 1 is a perspective view of a portable power supply device of the present invention.

Fig. 2 is another perspective view of the portable power supply device of the present invention.

Fig. 3 is a diagram of the internal structure of the portable power supply device of the present invention.

Fig. 4 is a cross-sectional view of the turntable and the handle in the portable power supply device of the present invention.

Fig. 5 is a schematic diagram of the folded handle of the portable power supply device of the present invention.

Fig. 6 is an exploded view of the battery pack of the portable power supply device of the present invention.

Fig. 7 is a front structural view of a single battery of the portable power supply device of the present invention.

Fig. 8 is a rear structural view of a single battery of the portable power supply device of the present invention.

FIG. 9 is a schematic diagram of the control circuit board of the portable power supply device of the present invention.

Detailed ways

In order to describe the technical content, structural features, and achieved effects of the present invention in detail, the following will be described in detail in conjunction with the embodiments and accompanying drawings.

As shown in Figures 1 to 3, the portable power supply device 100 of the present invention includes a housing 1, a control circuit board 2, a generator 3, a turntable 4, a handle 5, a battery pack 6, two DC output interfaces 7, and two USB output ports. Interface 8, DC input interface 9, control button 10 and lighting lamp 11. The control circuit board 2 is installed in the casing 1 and is electrically connected with the two DC output interfaces 7 , the two USB output interfaces 8 , the DC input interface 9 , the control button 10 and the lighting lamp 11 . The lower bottom surface of the housing 1 is provided with expandable or foldable support feet 1a, and the support feet 1a can prevent shaking or collapse when the hand crank generates electricity.

Please refer to Figure 2 and Figure 4, the generator 3 is installed in the housing 1 and the output end is electrically connected to the battery pack 6, the input shaft of the generator 3 is fixed to the turntable 4, the The generator 3 uses a small generator to miniaturize the entire portable power supply unit. A through groove 41 is defined on the surface of the turntable 4 , and one end of the handle 5 is engaged in the through groove 41 and pivotally connected to two inner sidewalls of the through groove 41 . One end of the lower bottom surface of the housing 1 close to the turntable 4 is provided with an accommodating groove 1 a for receiving the other end of the handle 5 when the handle 5 is folded. The handle 5 is provided with an accommodating hole 51 on the side opposite to the inner side wall of the through groove 41, and the accommodating hole 51 is provided with a fixing sleeve 52 and a steel ball 53, and the fixing sleeve 52 is threadedly fixed on the In the accommodating hole 51 , a recess 42 is formed on the inner wall of the through groove 41 , and the steel ball 53 protrudes from the fixing sleeve 52 and engages with the recess 42 . By arranging the fixing sleeve 52 and the steel ball 53, the steel ball 53 is engaged with the recess 42, so that the handle 5 is fixed in the through groove 41, and the hand crank 5 is more stable when rotating.

Please refer to FIG. 5 to FIG. 7 , the battery pack 6 is built in the casing 1 and electrically connected to the control circuit board 2 , the battery pack 6 includes at least two batteries 61 , and the two batteries 61 are connected in parallel. The present invention uses two batteries 61 connected in parallel. Specifically, the front of the battery 61 is provided with a pair of first discharge terminal jacks 611 and a pair of charging terminal jacks 612, and the back is provided with a pair of first discharge terminals 613 and a pair of charging terminals 614; A second discharge terminal 615 is provided. When the two batteries 61 are connected in parallel, the first discharge terminal 613 and the charging terminal 614 of one battery are plugged into the first discharge terminal jack 611 and the charging terminal jack 613 of the other battery respectively. The second discharge terminal 615 can discharge the battery 61 alone. By setting the first discharge terminal jack 611, the charging terminal jack 612, the first discharge terminal 613 and the charging terminal 614, multiple batteries can be connected in parallel, so that the storage battery can be expanded and the storage capacity of the portable power supply device can be increased. The power capacity greatly improves its battery life. The front of the battery 61 is provided with a positioning post 616, and the back is provided with a positioning hole 617. When the two batteries 61 are connected in parallel, the positioning post 616 of one battery is plugged into the positioning hole 617 of the other battery. The cooperation of the positioning posts 616 and the positioning holes 617 can make the plurality of batteries 61 fixed in an orderly manner, thereby forming the battery pack 6, effectively utilizing the internal space of the housing 1, and minimizing the volume.

As shown in Fig. 3 and Fig. 8, described control circuit board 2 comprises microprocessor 21, power supply circuit 22, charging circuit 23, detection device 24 and display screen 25, and described power supply circuit 22 is connected with described microprocessor 21 respectively. 1. The two DC output interfaces 7 are electrically connected to the battery pack 6, and the charging circuit 23 is electrically connected to the charging terminal jack of the battery pack 6 and the DC input interface 9 respectively. The DC input interface 9 is set so that the portable power supply device 100 can obtain more power from the outside world, for example, it can be powered by various forms of solar energy, wind energy, commercial power or diesel power generation, so that the portable power supply device 100 can quickly obtain And store power, effectively improving the flexibility and portability of charging. The charging circuit 23 is also provided with a solar controller 26 (abbreviated as MPPT) for tracking the maximum power. When charging with solar energy, the solar controller 26 can detect the DC voltage and output current of the main circuit, calculate the output power of the solar array, and realize the tracking of the maximum power point. Utilizing the solar energy controller 26 can effectively improve the utilization rate of solar energy during solar charging, so as to obtain electricity to the maximum extent. When using manual power generation or pedal power generation, the solar controller 26 can also realize the tracking of the maximum power point, so as to obtain the maximum power. The detection device 24 is used to detect the charging voltage and the charging current of the battery pack 6, and the detection device 24 is electrically connected to the battery pack 6; the display screen 25 is used to display the charging voltage and charging current. The display screen 25 is electrically connected to the microprocessor 21.

The control circuit board 2 also includes a communication module 27 , and the communication module 27 is electrically connected to the microprocessor 21 . The communication module 27 is used to communicate with the host when multiple machines are in serial, so that the host can perform effective energy management. For example, when a plurality of portable power supply units are used in series to form a large power supply unit, and one of the batteries is fully charged, then the communication module 27 is used to communicate with the host, and the host does not need to charge it. And continue to charge other power supply devices that need power to achieve the purpose of fast charging; in addition, the communication module 27 can transmit the power and current usage time of the power supply device to the host, so that the host can calculate and display the total power and current usage. time.

Please refer to FIG. 3 and FIG. 8 again, the two DC output interfaces 8 are connected in parallel and electrically connected to the power supply circuit 22 , and the two USB output interfaces 8 are connected in parallel and electrically connected to the power supply circuit. Setting multiple output interfaces can enable the portable power supply device 100 of the present invention to supply power to multiple electric devices at the same time, effectively meeting the demand for simultaneous power consumption. The illuminating lamp 11 is installed on one end of the housing 1 and is electrically connected to the power supply circuit 22, the control button 10 is electrically connected to the microprocessor 21, and the control button 10 is 21 controls the opening or closing of the illuminating lamp 11 . The illuminating lamp 11 can facilitate the user's activities at night and bring great convenience to the user.

Compared with the prior art, since the present invention is provided with a generator 3, a turntable 4, a handle 5 and a battery pack 6, by opening a through groove 41 on the surface of the turntable 4, one end of the handle 5 is engaged with the In the through groove 41 and pivotally connected to the two inner side walls of the through groove 41, and one end of the lower bottom surface of the housing 1 close to the turntable 4 is provided with an accommodating groove for accommodating the other end of the handle 5 1a; therefore, when the handle 5 is opened, the handle 5 is clamped with the through slot 41 to make the manual power generation easier and more convenient; when the handle 5 is folded, the handle 5 is accommodated in the In the above-mentioned accommodating groove 1a, thereby reducing the volume of the entire portable power supply device 100, it is convenient for the user to travel; in addition, since the battery pack 6 has a plurality of batteries 61 connected in parallel, the battery of the present invention can be expanded, thereby effectively enhancing the The capacity of the battery of the portable power supply device improves the battery life; and, because the communication module is provided in the described control circuit board, the power supply device of the present invention can be a large power supply device in series to supply power for the village, and each power supply can be powered by using the communication module The device is efficiently energy managed to achieve fast charging.

The above disclosures are only preferred examples of the present invention, and of course cannot be used to limit the scope of rights of the present invention. Therefore, equivalent changes made according to the patent scope of the present invention still fall within the scope of the present invention.

Claims (10)

1. a protable power unit, comprise housing, control circuit board and direct current output interface and/or USB output interface, described control circuit board is installed in described housing and is electrically connected to described direct current output interface and/or USB output interface, it is characterized in that: described protable power unit also comprises generator, rotating disk, handle and battery pack, described generator is installed in described housing and output is electrically connected to described battery pack, the power shaft of described generator and described rotating disk are fixed, the surface of described rotating disk offers groove, one end of described handle is sticked in described groove and is articulated in two madial walls of described groove, the storage tank holding for the other end of described handle when the bottom surface of described housing is provided with described handle folding near one end of described rotating disk, described battery pack is built in housing and is electrically connected to described control circuit board, and described battery pack comprises at least two batteries, and described in two, battery is parallel with one another.

2. protable power unit as claimed in claim 1, it is characterized in that: the lateral wall of described handle offers containing hole, in described containing hole, be provided with fixed cover and steel ball, described fixed cover is fixed in described containing hole, the madial wall of described groove is provided with depression, and described steel ball protrudes from outside described fixed cover and is sticked in described depression.

3. protable power unit as claimed in claim 1, it is characterized in that: the front of described battery is provided with a pair of the first discharge end jack and a pair of charging end jack, the back side is provided with a pair of the first electric discharge terminal and a pair of charging terminal, when described in two during cell parallel, wherein first of a battery the electric discharge terminal and described charging terminal are plugged in respectively the first discharge end jack and the charging end jack of another battery.

4. protable power unit as claimed in claim 1, is characterized in that: the front of described battery is provided with reference column, and the back side is provided with location hole, and when described in two during cell parallel, wherein the reference column of a battery is plugged in the location hole of another battery.

5. protable power unit as claimed in claim 1, is characterized in that: described protable power unit also comprises direct current input interface, and described direct current input interface is electrically connected to described control circuit board.

6. protable power unit as claimed in claim 1, is characterized in that: the quantity of described direct current output interface and/or USB output interface is at least two, and direct current output interface and/or the electrical connection parallel with one another of USB output interface described in two.

7. the protable power unit as described in claim 1-6 any one, it is characterized in that: described control circuit board comprises microprocessor, power supply circuits and charging circuit, described power supply circuits are electrically connected to described microprocessor, two direct current output interfaces and battery pack respectively, and described charging circuit is electrically connected to described battery pack and described direct current input interface respectively; On described charging circuit, be also provided with for following the trail of the controller for solar of maximum power.

8. protable power unit as claimed in claim 7, is characterized in that: described control circuit board also comprises communication module, and described communication module is electrically connected to described microprocessor.

9. protable power unit as claimed in claim 7, it is characterized in that: described protable power unit also comprises control button and illuminating lamp, described illuminating lamp is installed on one end of described housing and is electrically connected to described power supply circuits, and described control button is electrically connected to described microprocessor.

10. protable power unit as claimed in claim 7, it is characterized in that: described control circuit board also comprises the display screen that detects the charging voltage of described battery pack and the checkout gear of charging current and show described charging voltage and charging current, described checkout gear is electrically connected to described battery pack, and described display screen is electrically connected to described microprocessor.

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