CN204463742U - A kind of electromagnetism display screen - Google Patents
A kind of electromagnetism display screen Download PDFInfo
- Publication number
- CN204463742U CN204463742U CN201520050641.8U CN201520050641U CN204463742U CN 204463742 U CN204463742 U CN 204463742U CN 201520050641 U CN201520050641 U CN 201520050641U CN 204463742 U CN204463742 U CN 204463742U
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- coil
- control panel
- electromagnet
- display screen
- microcontroller
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Abstract
The utility model discloses a kind of electromagnetism display screen.This electromagnetism display screen comprises: substrate, is arranged at least three electromagnet of substrate back; Steel ball is placed with in electromagnet magnetic field; In order to store the steel ball holding tank of steel ball, control panel, described electromagnet comprises permeability magnetic material, and permeability magnetic material outside is wrapped the coil be coupled with control panel; Described control panel comprises to the coil driver of coil with electric current; In order to the microcontroller of control coil drive circuit works sequential; The clock signal module of reference clock signal is provided to microcontroller; Be connected with host computer the communication module of communication function; Store the memory module needing displaying contents, to the power module that control panel is powered; The corresponding coil of each electromagnet.The utility model has the following advantages: propose a kind of new display mode, adopts electromagnetic mode to drive; Steel ball matrix is utilized to show character and pattern; Mentality of designing is unique, and has certain interest and ornamental value.
Description
Technical field
The present invention relates to display screen technology field, specifically a kind of electromagnetism display screen.
Background technology
Current main flow display screen mainly photo-electric display, adopt the controllable light signal dot matrix of matrix arrangement to form the content that will show, such as LCD screen and LED screen etc., this display screen has been widely used in a lot of occasion, and technology is very ripe.The utility model proposes a kind of new implementation and be applied to display screen.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of electromagnetism display screen of new display mode.
The purpose of this utility model is achieved through the following technical solutions:
A kind of electromagnetism display screen, comprising:
Substrate, is arranged on the electromagnet of at least three of substrate back; Steel ball is placed with in electromagnet magnetic field; In order to store the steel ball holding tank of steel ball, control panel, described electromagnet comprises permeability magnetic material, and permeability magnetic material outside is wrapped the coil be coupled with control panel;
Described control panel comprises to the coil driver of coil with electric current; In order to the microcontroller of control coil drive circuit works sequential; The clock signal module of reference clock signal is provided to microcontroller; Be connected with host computer the communication module of communication function; Store the memory module needing displaying contents, to the power module that control panel is powered; The corresponding coil of each electromagnet.
Further, wherein said control panel also comprises: emergency electric system, and with the accumulator that described control panel is powered, powers, charge a battery when external power source is normal when outside power cut-off to native system.
Further, each coil independently controls turn-on and turn-off.
Further, the position of electromagnet permutation matrix mode, circle, square or rounded projections arranged in a matrix fashion.
Further, described coil two ends reverse parallel connection transition diode; Described coil wherein one end passes through triode ground connection; The base stage of described triode is by the I/O pin of resistively couple to described microcontroller.
Further, the I/O pin of described microcontroller is connected with string and turns and chip, the base stage of described triode turned by resistance and string and chip connection to the I/O pin of microcontroller.
Further, described control panel also comprises: the accumulator of powering to control panel, controls the electric power management circuit of accumulator, powers, charge a battery when external power source is normal when outside power cut-off to native system; Each coil independently controls turn-on and turn-off; The position of described electromagnet arranges in a matrix fashion;
Described coil two ends reverse parallel connection transition diode; Described coil wherein one end passes through triode ground connection; The I/O pin of described microcontroller is connected with string and turns and chip, the base stage of described triode turned by resistance and string and chip connection to the I/O pin of microcontroller.
Multiple electromagnet is arranged on the back side of substrate by the utility model, and the coil on electromagnet is connected on control panel, control panel has coil driver and microcontroller.Below the front of substrate, have circular steel ball holding tank, steel ball is in holding tank, and when microcontroller applies certain electric current by driving circuit to magnet coil, circular steel ball can be picked up by the electromagnet of substrate back.Switch the "on" position of magnet coil according to certain sequential, make the circular steel ball picked up move and form significant character or pattern.The utility model has the following advantages: propose a kind of new display mode, adopts electromagnetic mode to drive; Steel ball matrix is utilized to show character and pattern; Mentality of designing is unique, and has certain interest and ornamental value.
Accompanying drawing explanation
Fig. 1 is the floor map of electromagnetism display screen;
Fig. 2 is the schematic side view of electromagnetism display screen.
Embodiment
Preferred implementation of the present utility model is described below, and those of ordinary skill in the art can be realized according to the correlation technique hereinafter described with this area, and the benefit can more understood innovation of the present utility model and bring.
Preferred hardware embodiment is as described below:
With reference to Fig. 1,2, disclosed in present embodiment, electromagnetism display screen comprises substrate 2, is arranged at least three electromagnet 4 at substrate 2 back side; Steel ball 1 is placed with in electromagnet 4 magnetic field; In order to store the steel ball holding tank 3 of steel ball 1, control panel, electromagnet 4 comprises permeability magnetic material 6, and permeability magnetic material 6 outside is wrapped the coil 7 be coupled with control panel;
Control panel comprises coil 7 driving circuit providing electric current to coil 7; In order to the microcontroller 5 of control coil 7 drive circuit works sequential; The clock signal module of reference clock signal is provided to microcontroller 5; Be connected with host computer the communication module of communication function; Store the memory module needing displaying contents, to the power module that control panel is powered; The corresponding coil 7 of each electromagnet 4.
Control panel also comprises: the accumulator of powering with control panel, controls the electric power management circuit of accumulator, and the charging and discharging that electric power management circuit is responsible for accumulator controls.Power to native system when outside power cut-off, charge a battery when external power source is normal; Each coil 7 independently controls turn-on and turn-off; The position of electromagnet 4 arranges in a matrix fashion;
Positive source wiring circle 7 one end, the collector of another termination NPN triode of coil 7, simultaneously at coil 7 two ends reverse parallel connection transition diode, the grounded emitter of NPN triode, the base stage of triode is connected with the I/O pin of controller by a resistance, when I/O pin exports high level, NPN triode ON, coil 7 is energized, and produces magnetic force, picks up steel ball 1; When I/O pin output low level, NPN triode ends, coil 7 no power, and magnetic force disappears, release steel ball 1.
Microcontroller 5 has MCU, because the IO quantity needed is more, needs to carry out IO expansion, adopt string to turn also chip 74HC595 and complete IO expansion, the IO pin after expansion is connected to the base stage of NPN triode.
A kind of method for making of electromagnetism display screen is also disclosed herein.
1. on the iron staff of the long 20mm of diameter 3mm around on enameled wire, make electromagnet;
2. make control panel, reserved electromagnet mounting hole on PCB backboard, mounting hole arranges in a matrix fashion;
3. be arranged on by electromagnet on PCB backboard, coil two ends are inserted the welding hole on PCB and are welded;
The wiring of all electromagnet converges to together by 4.PCB backboard, and is connected with control panel by many sockets pin;
5. control panel there are coil driver and microcontroller etc., and power module and standby power supply interface;
6. the substrate made with aluminum is arranged on the other end of electromagnet, fixing;
7. fixing upper steel ball holding tank below substrate;
8. steel ball is placed in steel ball holding tank;
9. substrate is erected placement, make base plan and horizontal plane, and ensure steel ball holding tank level;
10. power supply is accessed power supply interface;
Control program is downloaded to microcontroller by 11.;
12. start electromagnetism display screen, and steel ball, according to the ON-OFF of the sequential control electromagnet designed in advance, is moved to desired location composition character or pattern to make electromagnet by controller.
The utility model can be various parts and arrangements of components, and the form of various step and arrangements of steps.Accompanying drawing only for illustration of the object of preferred embodiment, and should not be understood as restriction of the present utility model.
Claims (7)
1. an electromagnetism display screen, is characterized in that, comprising:
Substrate (2), is arranged on the electromagnet (4) of at least three of substrate (2) back side; Steel ball (1) is placed with in electromagnet magnetic field; In order to store the steel ball holding tank (3) of steel ball (1), control panel (5), described electromagnet (4) comprises permeability magnetic material (6), and permeability magnetic material (6) outside is wrapped the coil (7) be coupled with control panel (5);
Described control panel (5) comprises the coil driver providing electric current to coil (7); In order to the microcontroller of control coil drive circuit works sequential; The clock signal module of reference clock signal is provided to microcontroller; Be connected with host computer the communication module of communication function; Store the memory module needing displaying contents, to the power module that control panel is powered; The corresponding coil (7) of each electromagnet (4).
2. electromagnetism display screen according to claim 1, it is characterized in that, wherein said control panel (5) also comprises: emergency electric system, and with the accumulator that described control panel is powered, power to native system when outside power cut-off, charge a battery when external power source is normal.
3. electromagnetism display screen according to claim 1, is characterized in that, each coil (7) independently controls turn-on and turn-off.
4. electromagnetism display screen according to claim 1, is characterized in that, the position of electromagnet in a matrix fashion, circular, square, triangle or polygonal arrangement.
5. electromagnetism display screen according to claim 1, is characterized in that, described coil two ends reverse parallel connection transition diode; Described coil wherein one end passes through triode ground connection; The base stage of described triode is by the I/O pin of resistively couple to described microcontroller.
6. electromagnetism display screen according to claim 5, is characterized in that, the I/O pin of described microcontroller is connected with string and turns and chip, the base stage of described triode turned by resistance and string and chip connection to the I/O pin of microcontroller.
7. electromagnetism display screen according to claim 1, it is characterized in that, described control panel (5) also comprises: the accumulator of powering to control panel, control the electric power management circuit of accumulator, power to native system when outside power cut-off, charge a battery when external power source is normal; Each coil (7) independently controls turn-on and turn-off; The position of described electromagnet in a matrix fashion, circular, square or rounded projections arranged;
Described coil two ends reverse parallel connection transition diode; Described coil wherein one end passes through triode ground connection; The I/O pin of described microcontroller is connected with string and turns and chip, the base stage of described triode turned by resistance and string and chip connection to the I/O pin of microcontroller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520050641.8U CN204463742U (en) | 2015-01-17 | 2015-01-17 | A kind of electromagnetism display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520050641.8U CN204463742U (en) | 2015-01-17 | 2015-01-17 | A kind of electromagnetism display screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204463742U true CN204463742U (en) | 2015-07-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520050641.8U Expired - Fee Related CN204463742U (en) | 2015-01-17 | 2015-01-17 | A kind of electromagnetism display screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204463742U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106122778A (en) * | 2016-08-02 | 2016-11-16 | 上海小糸车灯有限公司 | A kind of elastic OLED attachment structure and attaching method thereof |
-
2015
- 2015-01-17 CN CN201520050641.8U patent/CN204463742U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106122778A (en) * | 2016-08-02 | 2016-11-16 | 上海小糸车灯有限公司 | A kind of elastic OLED attachment structure and attaching method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150708 Termination date: 20190117 |
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| CF01 | Termination of patent right due to non-payment of annual fee |