CN208142886U - A kind of small-power adjustable voltage portable power device - Google Patents
A kind of small-power adjustable voltage portable power device Download PDFInfo
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- CN208142886U CN208142886U CN201820741569.7U CN201820741569U CN208142886U CN 208142886 U CN208142886 U CN 208142886U CN 201820741569 U CN201820741569 U CN 201820741569U CN 208142886 U CN208142886 U CN 208142886U
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Abstract
The utility model discloses a kind of small-power adjustable voltage portable power devices; including bottom case and lid shell; one end on bottom case is equipped with battery protection circuit by pillar; the both ends of battery protection circuit are hung with row's needle; it is corresponding with the square hole that bottom case one end is equipped with to arrange needle; the bottom of bottom case is extended in one end insertion square hole of row's needle, the other end on bottom case is equipped with screen voltage display gauge head and boost module by bracket；Lid cap is loaded on bottom case.This small-power adjustable voltage portable power device, power supply is provided by 1V-25V the USB power supply interface that battery pack forms, power supply realizes that out-put supply is adjusted by adjustable boost module in system, screen voltage display gauge head detecting output voltage is simultaneously shown, conventional efficient is improved by modularized design, compatible variety classes USB and battery are powered simultaneously, realize the portability of power supply system.
Description
Technical field
The utility model relates to electronic engineering technical field, specially a kind of small-power adjustable voltage portable power
Device.
Background technique
Currently, module similar with this product on the market, major function provides 5V and 3.3V fixed voltage, and cannot show
Show current supply voltage.Moreover, existing device must use the fixed power supply system such as USB to power, portable function cannot achieve.
Utility model content
The purpose of this utility model is to provide a kind of small-power adjustable voltage portable power device, have by battery with
Different types of USB power supply, and have voltage and show, the small power electric product-derived that voltage is adjusted and bread board is compatible solves
The problems of the prior art.
To achieve the above object, the utility model provides the following technical solutions：A kind of small-power adjustable voltage is portable
Charger, including bottom case and lid shell, one end on the bottom case are equipped with battery protection circuit, battery protection electricity by pillar
The both ends of road plate are hung with row's needle, and row's needle is corresponding with the square hole that bottom case one end is equipped with, and arrange and extend in one end insertion square hole of needle
To the bottom of bottom case, the other end on bottom case is equipped with screen voltage display gauge head and boost module by bracket；The lid shell
Lid is loaded on bottom case, and the upper end of lid shell is equipped with window, and window is corresponding with screen voltage display gauge head, screen voltage display gauge head
It is embedded in window, the shell surface of lid shell is equipped with adjustment hole, and adjustment hole is corresponding with boost module；The bottom of bottom case is equipped with bread
One end of plate, the bread board is protruded into bottom case, and pin hole, pin hole and row's needle phase are uniformly arranged in the plate face of bread board
Match, row's needle is sequentially inserted into pin hole.
Preferably, connecting terminal J1, J2, J3, USB socket and diode D1 are contained in the battery protection circuit, is connect
The pin 1 of line terminals J1 meets battery cathode VBAT-, pin 2 meets anode VBAT+, and it is negative that the pin 3 of connecting terminal J1 connects input
The pin 8 that pole IN-, pin 4 meet input anode IN+, connecting terminal J1 meets voltage output end VOUT；Connecting terminal J2, J3's draws
Foot 1,3 meets voltage output end VOUT, and the pin 2,4 of connecting terminal J2, J3 are grounded；The pin 1 of USB socket connects voltage output end
VOUT；A termination anode VBAT+ of diode D1, another termination input cathode IN-.
Preferably, usb connecting port and USB power supply interface are also equipped in the shell surface of the lid shell.
Preferably, the diode D1 is a kind of Schottky diode of MBRA160T3G model.
Compared with prior art, the beneficial effects of the utility model are as follows：
This small-power adjustable voltage portable power device, 1V-25V the USB power supply interface being made of battery pack mention
Power supply source, power supply realize that out-put supply is adjusted by adjustable boost module in system, the detecting of screen voltage display gauge head
Output voltage is simultaneously shown, improves conventional efficient by modularized design, numerous to the experimentization especially based on bread version to be
Letter provides direct power supply system, and compatible variety classes USB and battery are powered simultaneously, realizes the portability of power supply system.
Detailed description of the invention
Fig. 1 is the overall structure installation diagram of the utility model；
Fig. 2 is the lid shell main view of the utility model；
Fig. 3 is the lid shell-side view of the utility model；
Fig. 4 is the bread board structure chart of the utility model；
Fig. 5 is connecting terminal JI, J2 and J3 circuit diagram of the utility model；
The USB socket circuit diagram of Fig. 6 the utility model；
Fig. 7 is the diode D1 circuit diagram of the utility model.
In figure：1 bottom case, 2 pillars, 3 battery protection circuits, 4 row's needles, 5 square holes, 6 brackets, 7 screen voltage display gauge heads,
8 boost modules, 9 lid shells, 10 windows, 11 adjustment holes, 12 usb connecting ports, 13 USB power supply interfaces, 14 bread boards, 15 needles
Hole.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-7, a kind of small-power adjustable voltage portable power device, including bottom case 1 and lid shell 9 are please referred to, on bottom case 1
One end battery protection circuit 3 is equipped with by pillar 2, the both ends of battery protection circuit 3 are hung with row's needle 4, row's needle 4 with
The square hole 5 that 1 one end of bottom case is equipped with is corresponding, extends to the bottom of bottom case 1 in one end insertion square hole 5 of row's needle 4, on bottom case 1
The other end is equipped with screen voltage display gauge head 7 and boost module 8 by bracket 6；The lid of lid shell 9 is loaded on bottom case 1, lid shell 9
Upper end is equipped with window 10, and window 10 is corresponding with screen voltage display gauge head 7, and screen voltage display gauge head 7 is embedded in window 10,
Output voltage is detected by screen voltage display gauge head 7 and is shown, the shell surface of lid shell 9 is equipped with adjustment hole 11, adjustment hole 11
It is corresponding with boost module 8, boost module 8 is connected and adjusted by adjustment hole 11, realizes that out-put supply is adjusted；The shell of lid shell 9
It is also equipped with usb connecting port 12 and USB power supply interface 13 on face, different types of USB can be connect by usb connecting port 12,
Power supply is provided via USB power supply interface 13 for circuit system；The bottom of bottom case 1 is equipped with bread board 14, and one end of bread board 14 is stretched
Enter in bottom case 1, pin hole 15 is uniformly arranged in the plate face of bread board 14, pin hole 15 matches with row's needle 4, and row's needle 4 is successively inserted
Enter in pin hole 15, at this point, voltage can be adjusted according to the voltage and circuit design demand of user；Battery protection circuit 3 includes
There is the diode D1 of connecting terminal J1, J2, J3, USB socket and MBRA160T3G model, the pin 1 of connecting terminal J1 connects battery
Cathode VBAT-, pin 2 meet anode VBAT+, and the pin 3 of connecting terminal J1 meets input cathode IN-, pin 4 connects input anode
The pin 8 of IN+, connecting terminal J1 meet voltage output end VOUT；The pin 1,3 of connecting terminal J2, J3 meet voltage output end VOUT,
The pin 2,4 of connecting terminal J2, J3 are grounded；The pin 1 of USB socket meets voltage output end VOUT；A termination of diode D1
Anode VBAT+, another termination input cathode IN-.
This small-power adjustable voltage portable power device, 1V-25V the USB power supply interface 13 being made of battery pack
Power supply is provided, power supply realizes that out-put supply is adjusted by adjustable boost module 8 in system, screen voltage display gauge head 7
Detecting output voltage is simultaneously shown, conventional efficient is improved by modularized design, to the experiment especially based on bread version 15
It simplifies and direct power supply system is provided, compatible variety classes USB and battery are powered simultaneously, realize the portable of power supply system
Change.
In summary：This small-power adjustable voltage portable power device is tested simple electronic correlation, is not needed
It is completed by fixed power source；Conventional efficient is improved using modularized design, it is numerous to the experimentization especially based on bread version
Direct power supply system is provided for letter；Compatible variety classes USB and battery are powered simultaneously, realize the portability of power supply system,
Thus effective solution the problems of the prior art.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (4)
1. a kind of small-power adjustable voltage portable power device, including bottom case (1) and lid shell (9), it is characterised in that：The bottom
One end on shell (1) is equipped with battery protection circuit (3) by pillar (2), and the both ends of battery protection circuit (3) are hung with
It arranges needle (4), row needle (4) is corresponding with square hole (5) that bottom case (1) one end is equipped with, and prolongs in one end insertion square hole (5) of row needle (4)
The bottom of bottom case (1) is extended to, the other end on bottom case (1) is equipped with screen voltage display gauge head (7) and boosting by bracket (6)
Module (8)；For lid shell (9) lid loaded on bottom case (1), the upper end of lid shell (9) is equipped with window (10), window (10) and screen electricity
Press display gauge head (7) corresponding, screen voltage display gauge head (7) is embedded in window (10), and the shell surface of lid shell (9), which is equipped with, to be adjusted
Hole (11), adjustment hole (11) are corresponding with boost module (8)；The bottom of bottom case (1) is equipped with bread board (14), the bread board
(14) one end is protruded into bottom case (1), is uniformly arranged in the plate face of bread board (14) pin hole (15), pin hole (15) and row's needle
(4) match, row needle (4) is sequentially inserted into pin hole (15).
2. a kind of small-power adjustable voltage portable power device according to claim 1, it is characterised in that：The battery
Contain connecting terminal J1, J2, J3, USB socket and diode D1 in protection circuit plate (3), the pin 1 of connecting terminal J1 connects battery
Cathode VBAT-, pin 2 meet anode VBAT+, and the pin 3 of connecting terminal J1 meets input cathode IN-, pin 4 connects input anode
The pin 8 of IN+, connecting terminal J1 meet voltage output end VOUT；The pin 1,3 of connecting terminal J2, J3 meet voltage output end VOUT,
The pin 2,4 of connecting terminal J2, J3 are grounded；The pin 1 of USB socket meets voltage output end VOUT；A termination electricity of diode D1
Pond anode VBAT+, another termination input cathode IN-.
3. a kind of small-power adjustable voltage portable power device according to claim 1, it is characterised in that：The lid shell
(9) usb connecting port (12) and USB power supply interface (13) are also equipped in shell surface.
4. a kind of small-power adjustable voltage portable power device according to claim 2, it is characterised in that：Two pole
Pipe D1 is a kind of Schottky diode of MBRA160T3G model.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820741569.7U CN208142886U (en) | 2018-05-18 | 2018-05-18 | A kind of small-power adjustable voltage portable power device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820741569.7U CN208142886U (en) | 2018-05-18 | 2018-05-18 | A kind of small-power adjustable voltage portable power device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208142886U true CN208142886U (en) | 2018-11-23 |
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ID=64313810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820741569.7U Active CN208142886U (en) | 2018-05-18 | 2018-05-18 | A kind of small-power adjustable voltage portable power device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208142886U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112865240A (en) * | 2021-01-25 | 2021-05-28 | 殷大卫 | Portable low-power voltage-adjustable power supply device |
-
2018
- 2018-05-18 CN CN201820741569.7U patent/CN208142886U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112865240A (en) * | 2021-01-25 | 2021-05-28 | 殷大卫 | Portable low-power voltage-adjustable power supply device |
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