CN207819484U - Portable charging device - Google Patents
Portable charging device Download PDFInfo
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- CN207819484U CN207819484U CN201721853152.1U CN201721853152U CN207819484U CN 207819484 U CN207819484 U CN 207819484U CN 201721853152 U CN201721853152 U CN 201721853152U CN 207819484 U CN207819484 U CN 207819484U
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- power supply
- conductive interface
- portable charging
- charging device
- insulating rubber
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Abstract
A portable charging device comprises a shell, wherein an accommodating cavity is formed in the shell, and the shell comprises a base, a telescopic insulating rubber, a connecting part and an upper cover; the accommodating cavity is used for accommodating a power supply; a power supply negative plate is arranged in the base; the telescopic insulating rubber is connected with the base, a lead is arranged in the telescopic insulating rubber, and the lead is connected with the power supply negative plate; the connecting part is connected with the telescopic insulating rubber, the tail end of the connecting part is provided with a first conductive interface, and the first conductive interface is connected with the lead; the head end of the upper cover is provided with a second conductive interface, a circuit board is arranged in the upper cover, the circuit board comprises a power supply positive plate and an output interface, the second conductive interface is detachably connected with the first conductive interface, and the output interface is connected with the power supply positive plate and the second conductive interface; the positive and negative poles of the power supply are respectively connected with the positive and negative pole pieces. In conclusion, the utility model reduces the volume of the charging device through the telescopic insulating rubber; the number of fixedly connected wires is reduced, so that the charging device becomes smaller and more compact and is convenient to carry.
Description
Technical Field
The utility model relates to a charging device field especially relates to a portable charging device.
Background
With the popularization of electronic products, people often encounter the situation that people need to charge portable electronic products in daily life. The conventional charging device is usually a direct charging device, and the device to be charged cannot be charged under the conditions of no alternating current and only direct current, and if a user is in outdoor long-term activity, the situation that an electronic product carried with the user does not have an alternating current socket for charging is often encountered. If the electronic product is charged in a place with frequent power failure, the charging of the electronic product carried around is extremely inconvenient, and the problem to be solved is to charge the electronic product carried around in the situation.
Patent CN204243822U provides a charger capable of charging a mobile phone with a dry battery. The charger at least needs four dry batteries for power supply, the whole occupied space is large, the charger is inconvenient to carry, the charging wire is fixedly connected with the charger, the fixed charging interface causes the application range of the device to be charged to be narrow, and the charging wire is inconvenient to carry.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a portable's charging device.
The utility model provides a portable charging device, which comprises a shell, wherein a containing cavity is formed inside the shell, and the shell comprises a base, a telescopic insulating rubber, a connecting part and an upper cover; the accommodating cavity is used for accommodating a power supply; a power supply negative plate is arranged in the base and connected with the negative electrode of the power supply; the telescopic insulating rubber is connected with the base, a lead is arranged in the telescopic insulating rubber, and the lead is connected with the power supply negative plate; the connecting part is connected with the telescopic insulating rubber, the tail end of the connecting part is provided with a first conductive interface, and the first conductive interface is connected with the lead; the head end of upper cover is provided with the electrically conductive interface of second, just the upper cover embeds there is the circuit board, the circuit board includes power positive plate and output interface, the electrically conductive interface of second with first electrically conductive interface is connected through the detachable mode, the power positive plate with power supply's positive pole links to each other, output interface with the power positive plate with the electrically conductive interface of second links to each other.
Further, the power supply is a dry battery.
Further, the size of the accommodating cavity of the portable charging device is matched with the size of the power supply.
Further, the connecting portion is connected to the second conductive interface contact of the upper cover through the first conductive interface.
Further, the first conductive interface is a nut, and the second conductive interface is a nut.
Furthermore, the output interface is a type A female connector port or a type B male connector of the USB; the A-type female wiring port is used for being connected with an A-type male wiring head of a USB line, and the B-type male wiring head is used for being connected with a charging port of a device to be charged.
Furthermore, the circuit board further comprises a step-up transformer, the output interface is connected with the power supply positive plate and the second conductive interface through the step-up transformer, and the step-up transformer is used for converting the output voltage of the power supply into the power supply voltage of the device to be charged.
Further, the portable charging device housing is a cylinder or a prism.
To sum up, the utility model discloses a change partial casing into scalable insulating rubber and make charging device volume reduction when not using, reduced fixed connection's the wire that charges simultaneously, make charging device become smaller and more exquisite, portable.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following preferred embodiments are described in detail with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic structural diagram of a portable charging device according to a first embodiment of the present invention.
Fig. 2 is an assembly schematic diagram of a portable charging device according to a first embodiment of the present invention.
Fig. 3 is a schematic diagram of an internal structure of a portable charging device according to a first embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a portable charging device according to a second embodiment of the present invention.
Fig. 5 is an assembly diagram of a portable charging device according to a second embodiment of the present invention.
Fig. 6 is a schematic diagram of an internal structure of a portable charging device according to a second embodiment of the present invention.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the objectives of the present invention, the following detailed description will be given to specific embodiments, methods, steps, structures, features and effects thereof according to the present invention, in conjunction with the accompanying drawings and preferred embodiments.
The foregoing and other technical and other features and advantages of the invention will be apparent from the following, more particular description of preferred embodiments of the invention, as illustrated in the accompanying drawings. While the present invention has been described with reference to the embodiments, the drawings are for illustrative purposes only and are not intended to limit the present invention.
Fig. 1 is a schematic structural diagram of a portable charging device according to a first embodiment of the present invention. Fig. 2 is an assembly schematic diagram of a portable charging device according to a first embodiment of the present invention. Fig. 3 is a schematic diagram of an internal structure of a portable charging device according to a first embodiment of the present invention. As shown in fig. 1-3, the portable charging device includes a housing 10, a receiving cavity is formed inside the housing 10, and the housing includes a base 11, a retractable insulating rubber 12, a connecting portion 13, and an upper cover 14. The receiving chamber is used for receiving the power supply 20. The base 11 is provided with a negative power plate 111 inside, and the negative power plate 111 is connected with the negative electrode of the power supply 20. The telescopic insulating rubber 12 is connected with the base 11, a lead 121 is arranged in the telescopic insulating rubber, and the lead 121 is connected with the power supply negative pole piece 111. The connecting portion 13 is connected to the retractable insulating rubber 12, a first conductive interface 131 is disposed at a terminal of the connecting portion 13, and the first conductive interface 131 is connected to the conductive wire 121. The head end of the upper cover 14 is provided with a second conductive interface 141, a circuit board is arranged in the upper cover 14, the circuit board comprises a power supply positive plate 142 and an output interface 143, the second conductive interface 141 is detachably connected with the first conductive interface 131, the power supply positive plate 142 is connected with the positive electrode of the power supply 20, and the output interface 143 is connected with the power supply positive plate 142 and the second conductive interface 141.
In this embodiment, the portable charging device uses the retractable insulating rubber sheet with the built-in wires, when the portable charging device is idle, the user can take out the internal power supply and compress the portable charging device into a smaller volume through the retractable insulating rubber sheet, so that the portable charging device is more convenient to carry about and does not need to occupy too much space.
In one embodiment, the size of the receiving cavity of the portable charging device is adapted to the size of the power supply 20, and the power supply 20 is a dry battery. Dry batteries (Dry cells) are electrochemical batteries that generate direct current by using a paste electrolyte, and are roughly classified into primary batteries and secondary batteries, which are commonly used in daily life and are lightweight batteries. Dry batteries can be used in many electrical appliances, and a common dry battery is a zinc-manganese battery. The portable charging device powered by the dry battery in the embodiment is suitable for charging the device to be charged under the conditions of no alternating current and only direct current.
In one embodiment, the first conductive interface 131 of the portable charging device is a nut, the second conductive interface 141 is a nut, and the connecting portion 13 is in contact connection with the second conductive interface 141 of the upper cover 14 through the first conductive interface 131. In the present embodiment, the portable charging device uses contact connection to form a circuit loop when the portable charging device operates inside the portable charging device.
In one embodiment, the output interface 143 of the portable charging device is a USB a-type female connector for connecting with a USB a-type male connector. The USB data line can be used for charging the mobile phone and connecting the mobile phone with the outside. According to different interfaces and data lines, the USB Cable supports many devices, such as a mouse, a keyboard, a printer, a scanner, a camera, a flash disk, an MP3 player, a mobile phone, a digital camera, a mobile hard disk, an external optical floppy drive, a USB network card, an ADSL Modem, a Cable Modem, and other electronic products, and is the most widely used data connection and electrical connection line at present.
Portable charging device provides USB's A type female connection mouth among this embodiment, and the user can oneself use different USB lines to connect to charge according to the demand, compares current charging device from the area wire that charges, has reduced the maintenance difficulty that leads to because of the wire damage that charges, lets charging device structure simpler simultaneously, and it is more convenient to carry.
In one embodiment, the a-type male connector of the USB cable includes four copper wire pins with different lengths, which respectively correspond to four standard wires in the USB cable: the pin 1 is a USB power supply and corresponds to a red wiring; the pin 2 is a USB data line (negative) and corresponds to a white wiring; the pin 3 is a USB data line (positive) and corresponds to green wiring; the pin 4 is a USB ground corresponding to a black wire. Correspondingly, the A-type female connector port of the USB also has four pins corresponding to the copper wire pins of the A-type male connector. In the present embodiment, the output interface 143 is connected to the power supply positive electrode tab 142 and the pin corresponding to the pin 1, and is connected to the second conductive interface 141 and the pin corresponding to the pin 4.
In one embodiment, the portable charging device housing is a cylinder. Because this portable charging device power supply commonly used is the dry battery that is the cylinder roughly, and the cylinder casing that uses in this embodiment can make casing thickness even, practices thrift housing material, and the difficult wearing and tearing of cylinder casing, handheld comfortable.
Fig. 4 is a schematic structural diagram of a portable charging device according to a second embodiment of the present invention. Fig. 5 is an assembly schematic diagram of a portable charging device according to a second embodiment of the present invention. Fig. 6 is a schematic diagram of an internal structure of a portable charging device according to a second embodiment of the present invention. As shown in fig. 4-6, the portable charging device includes a housing 30, a receiving cavity is formed inside the housing 30, and the housing includes a base 31, a retractable insulating rubber 32, a connecting portion 33, and an upper cover 34; the accommodating cavity is used for accommodating the power supply 40; a power supply negative plate 311 is arranged in the base 31, and the power supply negative plate 311 is connected with the negative electrode of the power supply 40; the telescopic insulating rubber 32 is connected with the base 31, a lead 321 is arranged in the telescopic insulating rubber, and the lead 321 is connected with the power supply negative plate 311; the connecting part 33 is connected with the telescopic insulating rubber sheet 32, the tail end of the connecting part 33 is provided with a first conductive interface 331, and the first conductive interface 331 is connected with the lead 321; the head end of upper cover 34 is provided with second electrically conductive interface 341, and upper cover 34 embeds there is the circuit board, and the circuit board includes positive plate 342 of power and output interface 343, and second electrically conductive interface 341 is connected through removable mode with first electrically conductive interface 331, and positive plate 342 of power links to each other with the positive pole of power supply 40, and output interface 343 links to each other with positive plate 342 of power and second electrically conductive interface 341.
In one embodiment, the output interface 343 of the portable charging device is a B-type male connector of a USB for connecting with a charging port of a device to be charged. In the embodiment, the portable charging device provides the B-type male connector of the USB, so that a user can directly connect the portable charging device with a charging port of a device to be charged for charging without matching with a charging wire for use, and the portable charging device is more convenient and faster.
Five copper wire pins can be seen in the B-type male connector of the USB wire, and correspond to four standard wiring lines and an ID line in the USB wire respectively: the pin 1 is a USB power supply and corresponds to a red wiring; the pin 2 is a USB data line (negative) and corresponds to a white wiring; the pin 3 is a USB data line (positive) and corresponds to green wiring; the pin 4 is an ID wire and is generally divided into two types, namely a ground wire and a blank wire; the pin 5 is a USB ground wire corresponding to a black wire. Correspondingly, the A-type female connector of the USB also has four pins corresponding to the copper wire pins of the A-type male connector. In this embodiment, the output interface 343 is connected to the power supply positive electrode tab 342 and the pin corresponding to the pin 1, and is connected to the second conductive interface 341 and the pin corresponding to the pin 4.
A transformer is a common electrical device that can be used to transform an alternating voltage of one value to another alternating voltage of the same frequency. A step-up transformer is a transformer used to transform an alternating voltage of a low value to another alternating voltage of a higher value of the same frequency. The step-up transformer is classified into a high-frequency type, a low-frequency type, a dry type, an alternating current type, and a direct current type.
The step-up transformer adopted in this embodiment is a dc step-up transformer. The DC step-up transformer has the characteristics of small volume, light weight, compact structure, complete functions, strong universality, convenient use and the like. The device is particularly suitable for the frequency-convergence or direct-current high-voltage insulation strength test of various high-voltage electrical equipment, electrical elements and insulation materials in an electric power system, an industrial and mining enterprise, a scientific research department and the like. Is an important device essential in high-pressure tests. The dc boost transformer used in this embodiment mainly uses a boost circuit, which is a common switching dc boost circuit and can make the output voltage higher than the input voltage.
In one embodiment, the circuit board built in the upper cover 34 of the portable charging device further includes a step-up transformer 344, the output interface 143 is connected to the power positive plate 342 and the second conductive interface 341 through the step-up transformer 344, and the step-up transformer 344 is configured to convert the output voltage of the power supply 40 into the power supply voltage of the device to be charged. In the present embodiment, the portable charging apparatus converts the output voltage of the power supply 40 using the step-up transformer 344, and the range of selection of the power supply 40 is widened.
In one embodiment, the housing of the portable charging device is a prism, such as a quadrangular prism, a hexagonal prism, etc., and the portable charging device shown in fig. 1 is a quadrangular prism. Compared with a cylinder, the prism is not easy to slip off when being held by a hand, and when a user drops the portable charging device on the ground carelessly, the prism is not easy to roll away like the cylinder and is not easy to lose.
To sum up, the utility model discloses a change partial casing into scalable insulating rubber and make charging device the volume reduction when not using, reduced fixed connection's the wire that charges simultaneously, make charging device become more small and exquisite, be convenient for hand-carry.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention has been disclosed with the preferred embodiment, it is not limited to the present invention, and any skilled person in the art can make some modifications or equivalent changes to the equivalent embodiment without departing from the technical scope of the present invention, but all the technical matters of the present invention do not depart from the technical scope of the present invention.
Claims (8)
1. A portable charging device is characterized by comprising a shell, wherein an accommodating cavity is formed in the shell, and the shell comprises a base, a telescopic insulating rubber, a connecting part and an upper cover;
the accommodating cavity is used for accommodating a power supply;
a power supply negative plate is arranged in the base and connected with the negative electrode of the power supply;
the telescopic insulating rubber is connected with the base, a lead is arranged in the telescopic insulating rubber, and the lead is connected with the power supply negative plate;
the connecting part is connected with the telescopic insulating rubber, the tail end of the connecting part is provided with a first conductive interface, and the first conductive interface is connected with the lead;
the head end of upper cover is provided with the electrically conductive interface of second, just the upper cover embeds there is the circuit board, the circuit board includes power positive plate and output interface, the electrically conductive interface of second with first electrically conductive interface is connected through the detachable mode, the power positive plate with power supply's positive pole links to each other, output interface with the power positive plate with the electrically conductive interface of second links to each other.
2. The portable charging apparatus of claim 1, wherein said power supply is a dry cell battery.
3. The portable charging apparatus of claim 1, wherein the size of the cavity of the portable charging apparatus is adapted to the size of the power supply.
4. The portable charging apparatus of claim 1, wherein the connecting portion connects with the second conductive interface contact of the upper cover through the first conductive interface.
5. The portable charging device of claim 1, wherein the first conductive interface is a nut and the second conductive interface is a nut.
6. The portable charging apparatus of claim 1, wherein the output interface is a USB type a female connector or a type B male connector; the A-type female wiring port is used for being connected with an A-type male wiring head of a USB line, and the B-type male wiring head is used for being connected with a charging port of a device to be charged.
7. The portable charging apparatus of claim 1, wherein the circuit board further comprises a step-up transformer, the output interface is connected to the positive plate of the power supply and the second conductive interface through the step-up transformer, and the step-up transformer is configured to convert an output voltage of the power supply into a supply voltage of the apparatus to be charged.
8. The portable charging device of claim 1, wherein the portable charging device housing is a cylinder or prism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721853152.1U CN207819484U (en) | 2017-12-26 | 2017-12-26 | Portable charging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721853152.1U CN207819484U (en) | 2017-12-26 | 2017-12-26 | Portable charging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207819484U true CN207819484U (en) | 2018-09-04 |
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ID=63330020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721853152.1U Active CN207819484U (en) | 2017-12-26 | 2017-12-26 | Portable charging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207819484U (en) |
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2017
- 2017-12-26 CN CN201721853152.1U patent/CN207819484U/en active Active
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