CN209265931U - A kind of display terminal of band USB charging and flashlight lighting - Google Patents
A kind of display terminal of band USB charging and flashlight lighting Download PDFInfo
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- CN209265931U CN209265931U CN201821822585.5U CN201821822585U CN209265931U CN 209265931 U CN209265931 U CN 209265931U CN 201821822585 U CN201821822585 U CN 201821822585U CN 209265931 U CN209265931 U CN 209265931U
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- flashlight
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Abstract
The utility model discloses a kind of display terminals of band USB charging and flashlight lighting, belong to battery pack corollary apparatus technical field, including battery pack, DC-DC circuit module, USB power supply module, flashlight module, LDO circuit module, MCU module, serial communication modular, key module, buzzer module, section formula LCD MODULE, DC-DC circuit module front end is connect by BAT input interface with battery pack, and rear end is connect with flashlight module, USB power supply module；The LDO circuit front end is connect with battery pack decompression interface, and rear end is connect with MCU module, segment liquid crystal display module；The serial communication modular is connect with MCU module and battery pack；The key module is connect with MCU module and battery pack, and the utility model provides USB power source and emergency light source to battery pack, has the advantages that easy to use, visualization, hommization.
Description
Technical field
The utility model relates to battery pack corollary apparatus technical field, specially a kind of band USB charging and flashlight lighting
Display terminal.
Background technique
Lithium battery have operating voltage is high, small in size, light weight, energy height, memory-less effect, pollution-free, self discharge is small,
The advantages of having extended cycle life.Therefore, in daily life, more and more electronic products are powered using lithium ion battery.Because
Electronic equipment normal work has certain voltage requirement, and the operating voltage requirement of some electronic equipments is greater than 5V.When such case
A battery pack is generally made into such a way that multiple battery cores are series-parallel.
In the current various battery packs gone here and there, mostly use the mode of LED indication brightness, display level is limited, and does not have more
It is provided with portable USB charge function, portioned product uses under dark surrounds, such as outdoor night, darkroom etc., without light source
It is very inconvenient.
Utility model content
The purpose of this utility model is to provide a kind of display terminal of band USB charging and flashlight lighting, terminal is used
Segment liquid crystal is shown, can not only show digital indication electricity, can also indicate various protection situations with character and number combination,
The advantages of providing USB charge function and emergency light source, solving existing battery pack does not have USB charging interface and does not meet an urgent need
The problem of lamp.
To achieve the above object, the utility model provides the following technical solutions: a kind of band USB charging and flashlight lighting
Display terminal, it is characterised in that: including battery pack, DC-DC circuit module, USB power supply module, flashlight module, LDO circuit mould
Block, MCU module, serial communication modular, key module, buzzer module, section formula LCD MODULE, the DC-DC circuit mould
Block front end is connect by BAT input interface with battery pack, rear end and flashlight module, USB power supply module and buzzer module
Connection；LDO circuit module front end is connect by being depressured interface with battery pack, and rear end and MCU module, segment liquid crystal are shown
Module connection；The serial communication modular is connect with MCU module and battery pack；The key module and MCU module and battery pack
Connection.
Preferably, the DC-DC circuit module is connect with power circuit.
Preferably, the DC-DC circuit module input voltage is up to 100V, output voltage 5V.
Preferably, the LDO circuit module, input voltage are not less than 28V, output voltage 3.3V, the LDO circuit
The output end vo ut of module is connect with MCU module, segment liquid crystal display module.
Preferably, the buzzer module includes resistance Rs, triode Q1, buzzer, is connected on the base stage of triode Q1
Between MCU module, the buzzer is connected between DC-DC circuit module and the collector of triode Q1, the triode
The emitter of Q1 is grounded.
Compared with prior art, the beneficial effects of the utility model are as follows:
1, the utility model has the advantages that structure is simple, easy to use, easy to maintain, low in cost；
2, the utility model is provided with USB charging interface, user can be facilitated to charge；
3, the utility model is provided with flashlight module, in dark surrounds or in emergency circumstances can provide light source for user,
Has the advantages that easy to use, humanization designing；
4, the utility model is provided with MCU module and segment liquid crystal display module, can be carried out intelligent control and a variety of displays,
Have the advantages that control intelligence, human-computer interaction are friendly.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is MCU module structural schematic diagram；
Fig. 3 is buzzer modular structure schematic diagram；
Fig. 4 is operating process schematic diagram；
In figure: 1- battery pack；2-BAT input interface；3- is depressured interface；4-DC-DC circuit module；5-USB power supply mould
Block；6- flashlight module；7-LDO circuit module；8-MCU module；9- serial communication modular；10- key module；11- buzzer
Module；12- segment liquid crystal display module；13- reset button；14- power circuit；15- power supply indicator；16- crystal oscillating circuit；
17-CPU；18-SWD debugging interface.
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-Fig. 4 is please referred to, a kind of embodiment provided by the utility model: a kind of band USB charging and flashlight lighting
Display terminal, it is characterised in that: including battery pack 1, DC-DC circuit module 4, USB power supply module 5, flashlight module 6, LDO
Circuit module 7, MCU module 8, serial communication modular 9, key module 10, buzzer module 11, segment liquid crystal display module 12,
4 front end of DC-DC circuit module is connect by BAT input interface 2 with battery pack 1, and rear end and flashlight module 6, USB are supplied
Electric module 5 and buzzer module 11 connect；7 front end of LDO circuit module is connect by being depressured interface 3 with battery pack 1, after
End is connect with MCU module 8, segment liquid crystal display module 12；The serial communication modular 9 is connect with MCU module 8 and battery pack 1；
The key module 10 is connect with MCU module 8 and battery pack 1.
The DC-DC circuit module 4 is connect with power circuit 14.
4 input voltage of DC-DC circuit module is up to 100V, output voltage 5V.
The LDO circuit module 7, input voltage are not less than 28V, output voltage 3.3V, the LDO circuit module 7
Output end vo ut connect with MCU module 8, segment liquid crystal display module 12.
The buzzer module 11 includes resistance Rs, triode Q1, buzzer, is connected on the base stage and MCU of triode Q1
Between module 8, the buzzer is connected between DC-DC circuit module 4 and the collector of triode Q1, the triode Q1
Emitter ground connection.
Working principle: DC-DC circuit module 4 is mainly used for being depressured, filters out noise for converting DC voltage.
The output voltage of DC-DC circuit module 4 is used to power to USB power supply module 5, flashlight module 6.USB power supply module 5 is arranged
There is USB power supply interface, can be used to charge.Flashlight module 6 can be opened in dark or in emergency circumstances, provide light source.LDO circuit
Module 7 is for being powered MCU module 8.MCU module 8 carries out intelligent control to whole device.Key module 10 is for inputting
And activated batteries packet 1.Buzzer module 11 is used for for reminding user.Segment liquid crystal display module 12 is for showing battery pack
1 current state.In use, with reference to step once: using the invention shows terminals to be operated, specific workflow is as follows:
Step 1: user presses the button module 10, activated batteries packet 1, and battery pack 1 is powered to display terminal, display terminal
It starts to work after initialization；
Step 2: display terminal acquisition electric current and temperature data are simultaneously handled；
Step 3: display terminal controls flashlight module 6, segment liquid crystal according to the data that serial communication modular 9 receives
Display module 12 and buzzer module 11；
Step 4: display terminal reports the data such as current temperature to MCU module 8, and MCU module 8 can be done pair according to data
The power supply control answered.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (5)
1. a kind of display terminal of band USB charging and flashlight lighting, it is characterised in that: including battery pack (1), DC-DC circuit
Module (4), USB power supply module (5), flashlight module (6), LDO circuit module (7), MCU module (8), serial communication modular
(9), key module (10), buzzer module (11), segment liquid crystal display module (12), DC-DC circuit module (4) front end
It is connect by BAT input interface (2) with battery pack (1), rear end and flashlight module (6), USB power supply module (5) and buzzing
Device module (11) connection；LDO circuit module (7) front end is connect by being depressured interface (3) with battery pack (1), rear end and MCU
Module (8), segment liquid crystal display module (12) connection；The serial communication modular (9) and MCU module (8) and battery pack (1) are even
It connects；The key module (10) connect with MCU module (8) and battery pack (1).
2. the display terminal of a kind of band USB charging and flashlight lighting according to claim 1, it is characterised in that: described
DC-DC circuit module (4) is connect with power circuit (14).
3. the display terminal of a kind of band USB charging and flashlight lighting according to claim 1, it is characterised in that: described
DC-DC circuit module (4) input voltage is up to 100V, output voltage 5V.
4. the display terminal of a kind of band USB charging and flashlight lighting according to claim 1, it is characterised in that: described
LDO circuit module (7), input voltage are not less than 28V, output voltage 3.3V, the output end of the LDO circuit module (7)
Vout is connect with MCU module (8), segment liquid crystal display module (12).
5. the display terminal of a kind of band USB charging and flashlight lighting according to claim 1, it is characterised in that: described
Buzzer module (11) includes resistance Rs, triode Q1, buzzer, be connected on triode Q1 base stage and MCU module (8) it
Between, the buzzer is connected between DC-DC circuit module (4) and the collector of triode Q1, the transmitting of the triode Q1
Pole ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821822585.5U CN209265931U (en) | 2018-11-07 | 2018-11-07 | A kind of display terminal of band USB charging and flashlight lighting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821822585.5U CN209265931U (en) | 2018-11-07 | 2018-11-07 | A kind of display terminal of band USB charging and flashlight lighting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209265931U true CN209265931U (en) | 2019-08-16 |
Family
ID=67553903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821822585.5U Active CN209265931U (en) | 2018-11-07 | 2018-11-07 | A kind of display terminal of band USB charging and flashlight lighting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209265931U (en) |
-
2018
- 2018-11-07 CN CN201821822585.5U patent/CN209265931U/en active Active
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