CN209132801U - It is a kind of can real-time display make out an invoice the equipment of two dimensional code - Google Patents
It is a kind of can real-time display make out an invoice the equipment of two dimensional code Download PDFInfo
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- CN209132801U CN209132801U CN201822205120.1U CN201822205120U CN209132801U CN 209132801 U CN209132801 U CN 209132801U CN 201822205120 U CN201822205120 U CN 201822205120U CN 209132801 U CN209132801 U CN 209132801U
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Abstract
This application discloses it is a kind of can real-time display make out an invoice the equipment of two dimensional code.The equipment includes shell；Positioned at the intracorporal PCB main board of shell；Information of making out an invoice is converted to the master controller of two dimensional code；The power management unit being connected with master controller, wherein master controller and power management unit are welded on PCB main board；Be connected with master controller and two-dimensional code display display screen；Connection is external to make out an invoice equipment to receive the communication interface for information of making out an invoice.By the application, it can receive to make out an invoice information and be converted into two dimensional code in real time and shown.
Description
Technical field
This application involves field of electronic devices, specifically, be related to it is a kind of can real-time display make out an invoice the equipment of two dimensional code.
Background technique
With the development of electronic data information, more and more scenes replace paper by electronic invoice when issuing invoice
Matter invoice, on the one hand, electronic invoice is with respect to the more economical environmental protection of paper invoice, and on the other hand, electronic invoice also facilitates storage and stream
Turn.In order to replace paper invoice in each Scene realization electronic invoice, need to the papery hair under each scene in the prior art
The billing system of ticket is upgraded, and the redundancy of technical work is caused, and is unfavorable for the comprehensive universal of electronic invoice.
Therefore it provides it is a kind of can real-time display make out an invoice the equipment of two dimensional code, to simplify the process of making out an invoice of electronic invoice so that
Electronic invoice is easier to popularize, and is this field technical problem urgently to be solved.
Utility model content
In view of this, this application provides it is a kind of can real-time display make out an invoice the equipment of two dimensional code, information of making out an invoice can be received
And the information that will make out an invoice is converted to two dimensional code of making out an invoice, so that the side of making out an invoice, which only needs to scan the two dimensional code of making out an invoice, can be obtained electronics hair
Ticket simplifies the process of making out an invoice of electronic invoice, so that electronic invoice is easier to popularize.
In order to solve the above-mentioned technical problem, the application has following technical solution:
It is provided by the present application can the make out an invoice equipment of two dimensional code of real-time display include: shell；Positioned at the intracorporal PCB of the shell
Mainboard；Information of making out an invoice is converted to the master controller of two dimensional code；The power management unit being connected with the master controller,
In, the master controller and the power management unit are welded on the PCB main board；It is connected simultaneously with the master controller
Show the display screen of the two dimensional code；Connection is external to make out an invoice equipment to receive the communication interface of the information of making out an invoice.
Further, it is described can real-time display make out an invoice the equipment of two dimensional code further include: the light sensation list outside the shell
Member；The photoelectric signal transformation unit being welded on the PCB main board, wherein the photoelectric signal transformation unit and the light sensation
Unit is respectively connected with the master controller；The display screen includes: display panel；Adjust the display panel brightness
Display brightness control unit, wherein the display brightness control unit is connected with the master controller.
Further, the photo cell includes multiple photo resistance.
Further, the display panel is black-and-white crystal display panel, and the display panel further includes LED backlight list
Member, the display brightness control unit are connected with the LED backlight unit.
Further, it is described can real-time display make out an invoice the equipment of two dimensional code further include: store depositing for multiple two dimensional codes
Reservoir is connected with the master controller.
Further, it is described can real-time display make out an invoice the equipment of two dimensional code further include: successively select multiple two dimensional codes
The turnover key shown, the turnover key are connected with the master controller.
Further, the communication interface is standard micro-USB interface.
Compared with prior art, it is described herein can real-time display make out an invoice the equipment of two dimensional code achieving the following effects:
Equipment is provided with connection outside and makes out an invoice equipment to receive the communication interface of the information of making out an invoice, the communication interface and master
Control device is connected, and what communication interface received make out an invoice, and information is transmitted to master controller, and the master controller information that will make out an invoice is converted to
Two dimensional code, meanwhile, equipment is additionally provided with the display screen being connected with master controller, and the two dimensional code that master controller is converted to is through being somebody's turn to do
Display screen shows that therefore, when the side of making out an invoice needs to issue invoice, the equipment of making out an invoice for providing invoice will make out an invoice information through communication interface
Be transmitted to the equipment, which receives make out an invoice information after automatically generate two dimensional code and show, the side of making out an invoice only needs to scan
The two dimensional code of making out an invoice submits request of making out an invoice, and electronic invoice can deliver the side of making out an invoice by modes such as mails, simplify electronic invoice
Process of making out an invoice so that electronic invoice be easier it is universal.Meanwhile master controller and the power management unit of equipment are welded on
On PCB main board, PCB main board is located in a shell, so that the portable devices.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present application, constitutes part of this application, this Shen
Illustrative embodiments and their description please are not constituted an undue limitation on the present application for explaining the application.In the accompanying drawings:
Fig. 1 be a kind of embodiment of the utility model described in can real-time display make out an invoice two dimensional code equipment composition block diagram；
Fig. 2 be the utility model another kind embodiment described in can real-time display make out an invoice two dimensional code equipment composition frame
Figure.
Specific embodiment
As used some vocabulary to censure specific components in the specification and claims.Those skilled in the art answer
It is understood that hardware manufacturer may call the same component with different nouns.This specification and claims are not with name
The difference of title is as the mode for distinguishing component, but with the difference of component functionally as the criterion of differentiation.Such as logical
The "comprising" of piece specification and claim mentioned in is an open language, therefore should be construed to " include but do not limit
In "." substantially " refer within the acceptable error range, those skilled in the art can within a certain error range solve described in
Technical problem basically reaches the technical effect.In addition, " coupling " word includes any direct and indirect electric property coupling herein
Means.Therefore, if it is described herein that a first device is coupled to a second device, then representing the first device can directly electrical coupling
It is connected to the second device, or the second device indirectly electrically coupled through other devices or coupling means.Specification
Subsequent descriptions be implement the application better embodiment, so it is described description be for the purpose of the rule for illustrating the application,
It is not intended to limit the scope of the present application.The protection scope of the application is as defined by the appended claims.
Fig. 1 be a kind of embodiment of the utility model described in can real-time display make out an invoice two dimensional code equipment composition block diagram,
In one embodiment, the equipment include shell and be located at the intracorporal PCB main board of shell (being not shown in figure), wherein shell can
The plastic casing formed using injection molding, PCB main board are cut into certain size using insulation board as substrate, have conductive pattern thereon, real
The electrical connection of each component on existing PCB main board.As shown in Fig. 1, which further includes the master controller being welded on PCB main board
10, the power management unit 20 and peripheral circuit (not shown) being connected with master controller 10 further include and main control
The display screen 30 and communication interface 40 that device 10 is connected.Wherein, power management unit 20 and peripheral circuit guarantee can be shown in real time
Show the power supply of the equipment for two dimensional code of making out an invoice, power management unit 20 may include the storage batteries such as lithium battery, can also be with external city
Electricity.Communication interface 40 is made out an invoice equipment for connecting outside, and outside equipment of making out an invoice can will be made out an invoice information by the communication interface 40
Be transmitted to can real-time display make out an invoice the equipment of two dimensional code, wherein optionally, communication interface is standard micro-USB interface, can be made
It is connect with standard USB connecting line with external equipment, communications protocol used is also standard USB communication protocol, is docked convenient for user
Exploitation.Communication interface 40 receives make out an invoice information after, the information that will make out an invoice is transmitted to master controller 10, and master controller 10 will make out an invoice letter
Breath is converted to two dimensional code, and controls display screen 30 and show the two dimensional code.
Wherein, which is Quick Response Code, is a kind of coding mode in mobile device, it is than passing
The bar code of system can deposit more information, can also indicate more data types.It is with certain specific geometric figure by one
The chequered with black and white graphic recording data symbol information that set pattern rule is distributed at plane (on two-dimensional directional).It is skilful in code compilation
It is corresponding with binary system using several wonderfully using " 0 " of composition computer-internal logical foundations, the concept of " 1 " bit stream
Geometrical body indicate text numerical information, after display screen 30 shows the two dimensional code, using passing through image input device or light
Can the make out an invoice completion that automatically processes of information of electric scanning equipment automatically scanning is made out an invoice.
Using the embodiment provide can real-time display make out an invoice the equipment of two dimensional code, when the side of making out an invoice needs to issue invoice,
Equipment of the making out an invoice information that will make out an invoice for providing invoice through communication interface is transmitted to the equipment, which receives information of making out an invoice
After automatically generate two dimensional code and show, the side of making out an invoice, which only needs to scan the two dimensional code of making out an invoice, can submit request of making out an invoice, electronic invoice
After request is made out an invoice in submission, the side of making out an invoice is delivered by modes such as mails, the process of making out an invoice of electronic invoice is simplified, so that electronics
Invoice is easier universal.Meanwhile master controller and the power management unit of equipment are welded on PCB main board, PCB main board position
In in a shell, so that the portable devices, are easy to use.
Fig. 2 be the utility model another kind embodiment described in can real-time display make out an invoice two dimensional code equipment composition frame
Figure, in another embodiment, as shown in Fig. 2, can the make out an invoice equipment of two dimensional code of real-time display further include the light outside the shell
Sense unit 50 and the photoelectric signal transformation unit 60 being welded on PCB main board, wherein photoelectric signal transformation unit 60 and light sensation
Unit 50 is respectively connected with master controller 10, and photo cell 50 is used for the brightness of sense ambient light line, such as photo cell 50 wraps
Multiple photo resistance are included, sensing signal is converted to voltage signal through photoelectric conversion unit 60 and is transmitted to master control by photo cell 50
Device 10 processed.Display screen 30 includes display panel 31 and the display brightness control unit 32 for adjusting 31 brightness of display panel, wherein
Display brightness control unit 32 is connected with master controller 10, specifically, can preset voltage thresholds range, master controller 10 is by light
Voltage signal after electric converting unit 60 is converted is compared with voltage threshold range, lower than the minimum value of the voltage threshold range
When, master controller 10 sends the control signal for increasing 31 brightness of display panel to display brightness control unit 32, so that display surface
31 brightness of plate increases, and ambient light too shadow is avoided to ring the scanning of two dimensional code；Higher than the voltage threshold range maximum value when, it is main
Controller 10 sends the control signal for reducing by 31 brightness of display panel to display brightness control unit 32, so that display panel 31
Brightness reduces, and the brightness of display panel 31 can be reduced when ambient light is brighter, to save power consumption.
Using the embodiment provide can real-time display make out an invoice the equipment of two dimensional code, in device housings, perception environment light is set
The photo cell of line brightness, while light luminance signal is converted to the photoelectric conversion list of voltage signal by welding on PCB main board
Voltage signal can be transmitted to master controller by member, photoelectric conversion unit, and master controller is controlled by display brightness control unit
The brightness of display panel can increase the brightness of display panel when ambient light is dark, preferably to identify two dimension
Code, when ambient light is bright, reduces the brightness of display panel, to save power consumption.
Still optionally further, in one embodiment, display panel 31 is black-and-white crystal display panel, since two dimensional code is
Therefore chequered with black and white figure sets black-and-white crystal display panel for display panel 31, can satisfy the need of two-dimensional code display
It asks, while controlling simply, it is at low cost.As shown in Fig. 2, display screen 30 further includes LED backlight unit 33, display brightness control unit
32 are connected with LED backlight unit 33, wherein display brightness control unit 32 can be that integrating on display panel 31 is arranged in
Circuit chip, LED back light unit 33 include multiple LED light, and LED light provides the display light source of black-and-white crystal display panel, display
The brightness regulation of display panel 31 can be realized by the brightness of adjusting LED backlight unit 33 in brightness control unit 32.
Optionally, in another embodiment, can the make out an invoice equipment of two dimensional code of real-time display further include storing multiple two dimensions
The memory of code, such as SD card, are connected with master controller 10, can store multiple two dimensional codes by memory, not instant
Under the scene made out an invoice, each two dimensional code can be stored in a device.
Still optionally further, can real-time display make out an invoice the equipment of two dimensional code further include: successively select multiple two dimensional codes to carry out
The turnover key of display, turnover key are connected with master controller, by the operation to turnover key, can select display screen display
Show each two dimensional code stored in memory, facilitates delay to make out an invoice under scene and issue multiple electronic invoices.
As can be seen from the above embodiments it is described herein can real-time display make out an invoice it is beneficial existing for the equipment of two dimensional code
Effect is:
Equipment is provided with connection outside and makes out an invoice equipment to receive the communication interface of the information of making out an invoice, the communication interface and master
Control device is connected, and what communication interface received make out an invoice, and information is transmitted to master controller, and the master controller information that will make out an invoice is converted to
Two dimensional code, meanwhile, equipment is additionally provided with the display screen being connected with master controller, and the two dimensional code that master controller is converted to is through being somebody's turn to do
Display screen shows that therefore, when the side of making out an invoice needs to issue invoice, the equipment of making out an invoice for providing invoice will make out an invoice information through communication interface
Be transmitted to the equipment, which receives make out an invoice information after automatically generate two dimensional code and show, the side of making out an invoice only needs to scan
The two dimensional code of making out an invoice can submit request of making out an invoice, and electronic invoice is made out an invoice in submission after request, is delivered out by modes such as mails
Ticket side simplifies the process of making out an invoice of electronic invoice, so that electronic invoice is easier to popularize.Meanwhile master controller and equipment
Power management unit is welded on PCB main board, and PCB main board is located in a shell, so that the portable devices.
Above description shows and describes several preferred embodiments of the present application, but as previously described, it should be understood that the application
Be not limited to forms disclosed herein, should not be regarded as an exclusion of other examples, and can be used for various other combinations,
Modification and environment, and can be carried out in contemplated scope described herein by the above teachings or related fields of technology or knowledge
Change.And changes and modifications made by those skilled in the art do not depart from spirit and scope, then it all should be in the application institute
In attached scope of protection of the claims.
Claims (7)
1. one kind can real-time display make out an invoice the equipment of two dimensional code characterized by comprising
Shell；
Positioned at the intracorporal PCB main board of the shell；
Information of making out an invoice is converted to the master controller of two dimensional code；
The power management unit being connected with the master controller, wherein the master controller and the power management unit are equal
It is welded on the PCB main board；
It is connected and shows the display screen of the two dimensional code with the master controller；
Connection is external to make out an invoice equipment to receive the communication interface of the information of making out an invoice.
2. it is according to claim 1 can real-time display make out an invoice the equipment of two dimensional code, which is characterized in that it is described can real-time display
It makes out an invoice the equipment of two dimensional code further include:
Photo cell outside the shell；
The photoelectric signal transformation unit being welded on the PCB main board, wherein the photoelectric signal transformation unit and the light sensation
Unit is respectively connected with the master controller；
The display screen includes:
Display panel；
Adjust the display brightness control unit of the display panel brightness, wherein the display brightness control unit and the master
Controller is connected.
3. it is according to claim 2 can real-time display make out an invoice the equipment of two dimensional code, which is characterized in that the photo cell packet
Include multiple photo resistance.
4. it is according to claim 2 can real-time display make out an invoice the equipment of two dimensional code, which is characterized in that the display panel is
Black-and-white crystal display panel, the display screen further include LED backlight unit, and the display brightness control unit and the LED are carried on the back
Light unit is connected.
5. it is according to claim 1 can real-time display make out an invoice the equipment of two dimensional code, which is characterized in that it is described can real-time display
It makes out an invoice the equipment of two dimensional code further include: the memory of the multiple two dimensional codes of storage is connected with the master controller.
6. it is according to claim 5 can real-time display make out an invoice the equipment of two dimensional code, which is characterized in that it is described can real-time display
It makes out an invoice the equipment of two dimensional code further include: the turnover key for successively selecting multiple two dimensional codes to be shown, the turnover key
It is connected with the master controller.
7. it is according to claim 1 can real-time display make out an invoice the equipment of two dimensional code, which is characterized in that the communication interface is
Standard micro-USB interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822205120.1U CN209132801U (en) | 2018-12-26 | 2018-12-26 | It is a kind of can real-time display make out an invoice the equipment of two dimensional code |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822205120.1U CN209132801U (en) | 2018-12-26 | 2018-12-26 | It is a kind of can real-time display make out an invoice the equipment of two dimensional code |
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| Publication Number | Publication Date |
|---|---|
| CN209132801U true CN209132801U (en) | 2019-07-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822205120.1U Active CN209132801U (en) | 2018-12-26 | 2018-12-26 | It is a kind of can real-time display make out an invoice the equipment of two dimensional code |
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| Country | Link |
|---|---|
| CN (1) | CN209132801U (en) |
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- 2018-12-26 CN CN201822205120.1U patent/CN209132801U/en active Active
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Effective date of registration: 20220114 Address after: 550081 No. 1349, 12 / F, building 10, phase I, Guizhou Financial City, No. 55, Changling North Road, Changling street, guanshanhu District, Guiyang City, Guizhou Province Patentee after: Guizhou Yingxiang Technology Information Technology Co.,Ltd. Address before: 100086, 30 floor, block A, digital building, No. 2 South Avenue, Beijing, Haidian District, Zhongguancun Patentee before: ELE-CLOUD INFORMATION TECHNOLOGY CO.,LTD. |