CN209265403U - A kind of permanent magnetism writing position detection plate - Google Patents
A kind of permanent magnetism writing position detection plate Download PDFInfo
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- CN209265403U CN209265403U CN201920224944.5U CN201920224944U CN209265403U CN 209265403 U CN209265403 U CN 209265403U CN 201920224944 U CN201920224944 U CN 201920224944U CN 209265403 U CN209265403 U CN 209265403U
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- battle array
- permanent magnetism
- coil
- position detection
- detection plate
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Abstract
The utility model discloses a kind of permanent magnetism writing position detection plates, applied to permanent magnetism position indicator, the permanent magnetism writing position detection plate includes the coordinate tablet for detecting permanent magnetism position indicator coordinate position in the permanent magnetism writing position detection plate, the coordinate tablet includes first coil battle array, second coil battle array, ancillary coil battle array and event trigger winding battle array, the first coil battle array, second coil battle array, ancillary coil battle array and event trigger winding battle array are completely overlapped, the first coil battle array and the second coil battle array are mutually perpendicular to, the first angle is formed between the ancillary coil battle array and the first coil battle array, and the second angle is formed between the second coil battle array, first angle and the second angle complementary angle each other, the partial cross section conductor of conductor coils in the event trigger winding battle array is distributed in the entire coordinate tablet On.The utility model can effectively improve the utilization efficiency of electric flux and greatly prolong the continued power time cycle of battery.
Description
Technical field
The utility model belongs to electromagnetic handwritten input detection device technical field, more particularly, to a kind of permanent magnetism writing position
Detection plate.
Background technique
Currently, electromagnetic touch writing device mainly leans on time writer transmitting electromagnetic wave and induction antenna array received electromagnetism
Wave, and calculate to each group antenna array receiver to electromagnetic wave magnetic flux size come determine time writer relative to setting incuding
The coordinate position of panel on aerial array.Wherein, time writer can be divided into active and passive type: active electromagnetic pen
Electromagnetic radiation is to supply electricity by internal battery；The electricity that the electromagnetic radiation of passive electromagnetic pen needs is the control by panel
Circuit processed emits ac magnetic field by antenna, and time writer receives the energy of electromagnetic field and stores, and time writer recycles storage
The energy transmitting electromagnetic signal deposited and the receiving antenna array for returning to panel.Therefore, electromagnetic touch writing process be exactly time writer and
The aerial array of panel successively emits, receives electromagnetic wave, and the governor circuit multiple scanning of panel calculates antenna array receiver
The process of the electromagnetic flux of the electromagnetic wave arrived.
Due to user write often arbitrarily, electromagnetic touch writing device not can determine that writing operation when stop and
When open, therefore, the governor circuit of time writer and panel must continuously repeat transmitting and receive electromagnetic wave, need during this
Consume a large amount of electric flux.And electric flux largely consumes in the wait state, the electric energy of real writing process consumption
Amount is small part instead.Correspondingly, other linkage function equipment on electromagnetic touch writing device (such as: display screen etc.) are not yet
Standby mode can be effectively entered, causes the utilization efficiency of electric flux very low, especially in portable electromagnetic touch book
In write device, the continued power time cycle of battery is substantially reduced, is made troubles to actual use.In addition, each producer
Centre frequency, transmitting and the reception mode of position indicator transmitting electromagnetic wave can not be unified, and the position instruction of each producer is caused
It is mutually not general between device, the with no paper development for writing industry is constrained significantly.
Utility model content
The purpose of this utility model is to provide a kind of permanent magnetism writing position detection plates, can effectively improve the benefit of electric flux
With efficiency and greatly prolong continued power time cycle of battery.
A kind of permanent magnetism writing position detection plate provided by the embodiment of the utility model is applied to permanent magnetism position indicator, institute
Stating permanent magnetism writing position detection plate includes for detecting the permanent magnetism position indicator in the permanent magnetism writing position detection plate
The coordinate tablet of coordinate position, the coordinate tablet include first coil battle array, the second coil battle array, ancillary coil battle array and event
Trigger winding battle array, the first coil battle array, the second coil battle array, ancillary coil battle array and event trigger winding battle array are completely overlapped, wherein
The first coil battle array and the second coil battle array are mutually perpendicular to, and the first folder is formed between the ancillary coil battle array and the first coil battle array
Angle, and the second angle is formed between the second coil battle array, complementary angle, the event are touched each other for first angle and the second angle
The partial cross section conductor of conductor coils in hair line circle battle array is distributed on the entire coordinate tablet.
Further, the permanent magnetism writing position detection plate further includes switch switching unit and trigger signal detection unit,
One end of the first coil battle array, the second coil battle array and ancillary coil battle array is electrically connected with the switch switching unit respectively, is another
End ground connection, one end of the event trigger winding battle array is connect with the trigger signal detection unit, the other end is grounded.
Further, the first coil battle array, the second coil battle array and ancillary coil battle array respectively include multiple equidistant intervals and set
The lead loop set, one end of each lead loop is electrically connected with the gating chip in the switch switching unit, another termination
Ground.
Further, between the lead loop between be divided into 1mm-10mm.
Further, the coordinate tablet further includes multiple position identification coils, and the position identification coil is set respectively
It is placed in the first coil battle array, the second coil battle array and ancillary coil battle array.
Further, the event trigger winding battle array includes at least one conductor coils and is designed as palace lattice distribution.
Further, the permanent magnetism writing position detection plate further includes coordinate signal detection unit, logic control element, place
Manage device unit and data interface unit, wherein the logic control element and the switch switching unit, coordinate signal detection list
Member, processor unit and data interface unit are electrically connected, the processor unit also with the trigger signal detection unit
Electrical connection.
Further, the data interface unit includes at least two registers connecting with external device data line.
Further, first angle is 45 degree, and second angle is 45 degree.
Further, the permanent magnetism position indicator includes permanent magnet.
In conclusion the coordinate tablet in the utility model includes first coil battle array, the second coil battle array, ancillary coil battle array
With event trigger winding battle array, the first coil battle array, the second coil battle array, ancillary coil battle array and event trigger winding battle array are completely heavy
It is folded, wherein the first coil battle array and the second coil battle array are mutually perpendicular to, shape between the ancillary coil battle array and the first coil battle array
At the first angle, and the second angle is formed between the second coil battle array, first angle and the second angle complementary angle each other, institute
The partial cross section conductor for stating the conductor coils in event trigger winding battle array is distributed on the entire coordinate tablet.When it is described forever
Magnetic potential indicator on the coordinate tablet when sliding, it will induced electromotive force is generated because of sectioned coil, by sense
It answers electromotive force to carry out analytical calculation and obtains coordinate bit of the permanent magnetism position indicator in the permanent magnetism writing position detection plate
It sets.It so, it is possible to effectively improve the utilization efficiency of electric flux and greatly prolong the continued power time cycle of battery.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is a kind of structural schematic diagram for permanent magnetism writing position detection plate that the utility model preferred embodiment provides.
Fig. 2 is a kind of structural schematic diagram for permanent magnetism position indicator that the utility model preferred embodiment provides.
Fig. 3 is the connection signal of a kind of coordinate tablet and switch switching unit that the utility model preferred embodiment provides
Figure.
Icon:
Permanent magnetism writing position detection plate 100；Permanent magnetism position indicator 200；Coordinate tablet 300；
Switch switching unit 400；Trigger signal detection unit 500；Coordinate signal detection unit 600；
Logic control element 700；Processor unit 800；Data interface unit 900；
First coil battle array 301；Second coil battle array 302；Ancillary coil battle array 303；
Event trigger winding battle array 304.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is a part of the embodiment of the utility model, instead of all the embodiments.Based on the reality in the utility model
Apply example, those of ordinary skill in the art's every other embodiment obtained without creative labor, all
Belong to the range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.Meanwhile it is practical new at this
In the description of type, term " first ", " second " etc. are only used for distinguishing description, are not understood to indicate or imply relatively important
Property.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be
Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
As shown in Figure 1-Figure 3, a kind of permanent magnetism writing position detection plate 100 provided by the embodiment of the utility model can be applied
In permanent magnetism position indicator 200, the permanent magnetism position indicator 200 includes permanent magnet.Wherein, the permanent magnetism writing position detection
Plate 100 mainly includes coordinate tablet 300, switch switching unit 400 and trigger signal detection unit 500 etc..In the present embodiment,
The coordinate tablet 300 is for detecting the permanent magnetism position indicator 200 in the permanent magnetism writing position detection plate 100
Coordinate position.
Specifically, the coordinate tablet 300 may include first coil battle array 301, the second coil battle array 302, ancillary coil
Battle array 303 and event trigger winding battle array 304.The first coil battle array 301, the second coil battle array 302, ancillary coil battle array 303 and event
It is completely overlapped between trigger winding battle array 304.When implementation, the first coil battle array 301 and the second coil battle array 302 are mutually perpendicular to, with
Make 302 form right angle coordinate system of the first coil battle array 301 and the second coil battle array, for detecting the permanent magnetism position indicator
200 coordinate position in the permanent magnetism writing position detection plate 100.For example, the 301 form right angle coordinate of first coil battle array
The X-axis of system, the Y-axis of the 302 form right angle coordinate system of the second coil battle array.
In addition, form the first angle between the ancillary coil battle array 303 and the first coil battle array 301, and with described second
Form the second angle between coil battle array 302, first angle and the second angle complementary angle each other.The event trigger winding battle array 304
In the partial cross section conductors of conductor coils be distributed on the entire coordinate tablet 300.Due to the permanent magnetism position instruction
Device 200, which mutually cuts movement with conductor coils, could generate induced electromotive force, after introducing the ancillary coil battle array 303, no matter
The permanent magnetism position indicator 200 in any direction moves the conductor coils that can at least cut in both direction, to find
Coordinate points.Preferably, in order to calculate simplicity, first angle is 45 degree, and second angle is 45 degree.
It is understood that when the permanent magnetism position indicator 200 slides on the coordinate tablet 300, it will
Induced electromotive force is generated because of sectioned coil, obtains the permanent magnetism position indicator by carrying out analytical calculation to induced electromotive force
200 coordinate position in the permanent magnetism writing position detection plate 100.It so, it is possible to effectively improve the utilization efficiency of electric flux
And greatly prolong the continued power time cycle of battery.
In the present embodiment, one end of the first coil battle array 301, the second coil battle array 302 and ancillary coil battle array 303 respectively with
The electrical connection of switch switching unit 400, other end ground connection.One end of the event trigger winding battle array 304 and the triggering are believed
The connection of number detection unit 500, other end ground connection.Wherein, the first coil battle array 301, the second coil battle array 302 and ancillary coil battle array
303 respectively include the lead loop of multiple equidistant interval settings, one end of each lead loop and the switch switching unit 400
In gating chip electrical connection, the other end ground connection.1mm-10mm, preferably 7.4mm are divided between the lead loop.It is worth
Illustrate, the quantity of the lead loop arrangement in the first coil battle array 301, the second coil battle array 302 and ancillary coil battle array 303
Width increase and decrease and detection accuracy increase and decrease according to area.
In order to reduce the redundancy of gating switch in lead loop and the switch switching unit 400, the coordinate tablet
300 can also include that multiple positions identify coil.Position identification coil is respectively arranged at the first coil battle array 301, the
In two coil battle array 302 and ancillary coil battle array 303.When implementation, the event trigger winding battle array 304 includes at least one conductor coils
And it is designed as palace lattice distribution, it can be cut when being moved in any direction in favor of the magnetic line of force of the permanent magnetism position indicator 200
Cut the conductor coils.
In the present embodiment, the permanent magnetism writing position detection plate 100 can also include coordinate signal detection unit 600, patrol
Collect control unit 700, processor unit 800 and data interface unit 900.Wherein, the logic control element 700 is opened with described
It closes switch unit 400, coordinate signal detection unit 600, processor unit 800 and data interface unit 900 to be electrically connected, institute
Processor unit 800 is stated also to be electrically connected with the trigger signal detection unit 500.
Specifically, the coordinate signal detection unit 600 may include preamplifier, low-pass filter, second level amplification
Device, analog-digital converter and arithmetic circuity etc. cut what conductor coils generated for detecting the permanent magnetism position indicator 200
Electromotive force amplitude and corresponding motion track etc..The logic control element 700 is used for the finger according to the processor unit 800
Order is operated, to control the Startup time of each functional unit according to preset order.The processor unit 800 is for calculating
The coordinate value of designated position executes and the transmission of the data of external equipment and the control of integral unit, the processor unit 800
Including a microprocessor.The data interface unit 900 includes at least two registers connecting with external device data line, is used
In with the external equipment carry out data exchange.Wherein, the register is FI FO memory construction.
In the present embodiment, it may include preceding storing that the trigger signal detection unit 500, which is super low-power consumption amplifier unit,
Big device, low-pass filter, two-stage amplifier and zero passage detection shaping circuit etc..Wherein, the preamplifier, low-pass filter
The signal received is amplified to proper level with two-stage amplifier, the zero passage detection shaping circuit is used for amplified electricity
Ordinary mail number is shaped to square-wave signal and sends the processor unit 800 to.The processor unit 800 receives the square wave
Pre-set programs are executed after signal, standby mode are entered after being finished, to reach power saving effect.
In order to further decrease power consumption, the processor unit 800 is being not received by the trigger signal detection unit
Before 500 square-wave signals sent, other units of the permanent magnetism writing position detection plate 100 enter standby mode.When described
Permanent magnetism position indicator 200 on the coordinate tablet 300 when moving, according to electromagnetic induction principle, the event firing line
It encloses battle array 304 and electromotive force signal is generated by the magnetic force line cutting of the permanent magnetism position indicator 200, and then the permanent magnetism is activated to write
Other units of position detection plate 100 enter working condition etc..
It is worth noting that permanent magnetism writing position detection plate 100 and traditional electromagnetic type writing position in the present embodiment
Detection plate at least has following difference: 1, the media signal that the permanent magnetism writing position detection plate 100 uses is permanent magnetic field, and
The media signal that the electromagnetic type writing position detection plate uses is radio electromagnetsm wave signal；2, the permanent magnetism writing position inspection
The permanent magnet energy of drafting board 100 is permanently present, and no special its magnetic energy of processing will not disappear, and the electromagnetic type writing position is examined
Drafting board needs often supply electric flux；3, the permanent magnet in the permanent magnetism position indicator 200 and the permanent magnetism writing position are examined
Conductor coils in drafting board 100 can generate electromotive force signal when the position that cutting magnetic line occurs is mobile, and the electromagnetic type
Writing position detection plate emits electromagnetic wave in time writer, and in the resonance frequency of its receiving coil resonance circuit and transmitting electromagnetic wave
Electromotive force signal can be just generated when unanimously (allowing to have error)；4, the wire loop of the permanent magnetism writing position detection plate 100
It needs part by magnetic force line cutting, electromotive force signal can be generated by the conductive wire cross-section of magnetic force line cutting that section, and the electromagnetism
Formula writing position detection plate must be made of resonant tank complete coil and capacitor, and the coil can receive electromagnetic wave
Signal；5, the permanent magnetism position indicator 200 must make the magnetic flux of the conductor coils in the permanent magnetism writing position detection plate 100
Amount changes and can just generate electromagnetic wave signal, and the electromagnetic wave of the electromagnetic type writing position detection plate must be in coil inner ring
And make the coil that EMR electromagnetic resonance occur；6, the permanent magnetism writing position detection plate 100 receives the shape and amplitude of waveform, by magnetic
The speed of field mechanical movement and track determine, and the electromagnetic type writing position detection plate receives the amplitude of waveform by Electromagnetic Launching
What the position of device mechanical movement determined, the shape and quantity of waveform are pre-set by transmitting terminal；7, the permanent magnetism is write
The magnetic field magnetic line and conductor coils intersecting vertical of position detection plate 100, the electricity of the electromagnetic type writing position detection plate transmitting
Magnetic wave is coupled with conductor coils level；8, in the permanent magnetism writing position detection plate 100, magnetic field strength center is closer to center line
(for example, conductor cross-section center line), conducting wire induced electromotive force is bigger, and the coil of the electromagnetic type writing position detection plate surrounds
Central point be the maximum center of signal, for the electromagnetic wave of radiation closer to this central point, the signal of generation is stronger；9, it is described forever
Mechanical movement occurs for the relatively described conductor coils of permanent magnetic field in magnetic potential indicator 200, and then electric signal generates, and stop motion is then
Electric signal disappears, and the preset the start-up period of electromagnetic wave signal in the electromagnetic type writing position detection plate.
In conclusion coordinate tablet 300 in the utility model include first coil battle array 301, the second coil battle array 302,
Ancillary coil battle array 303 and event trigger winding battle array 304, the first coil battle array 301, the second coil battle array 302, ancillary coil battle array
303 and event trigger winding battle array 304 it is completely overlapped, wherein the first coil battle array 301 and the second coil battle array 302 are mutually perpendicular to,
Form the first angle between the ancillary coil battle array 303 and the first coil battle array 301, and with described second coil battle array, 302 shapes
At the second angle, first angle and the second angle complementary angle each other, conductor coils in the event trigger winding battle array 304
Partial cross section conductor is distributed on the entire coordinate tablet 300.When the permanent magnetism position indicator 200 is in the coordinate sense
It answers when being slided on plate 300, it will generate induced electromotive force because of sectioned coil, obtained by carrying out analytical calculation to induced electromotive force
To coordinate position of the permanent magnetism position indicator 200 in the permanent magnetism writing position detection plate 100.It so, it is possible effectively
It improves the utilization efficiency of electric flux and greatly prolongs the continued power time cycle of battery.
Above description is merely a prefered embodiment of the utility model, is not intended to limit the utility model, for
For those skilled in the art, various modifications and changes may be made to the present invention.All spirit and original in the utility model
Within then, any modification, equivalent replacement, improvement and so on be should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of permanent magnetism writing position detection plate is applied to permanent magnetism position indicator, which is characterized in that the permanent magnetism writing position
Detection plate includes the coordinate for detecting permanent magnetism position indicator coordinate position in the permanent magnetism writing position detection plate
Tablet, the coordinate tablet include first coil battle array, the second coil battle array, ancillary coil battle array and event trigger winding battle array, institute
It is completely overlapped to state first coil battle array, the second coil battle array, ancillary coil battle array and event trigger winding battle array, wherein the first coil
Battle array and the second coil battle array are mutually perpendicular to, and form the first angle between the ancillary coil battle array and the first coil battle array, and with it is described
Form the second angle between second coil battle array, first angle and the second angle complementary angle each other, in the event trigger winding battle array
The partial cross section conductors of conductor coils be distributed on the entire coordinate tablet.
2. permanent magnetism writing position detection plate according to claim 1, which is characterized in that the permanent magnetism writing position detection plate
It further include switch switching unit and trigger signal detection unit, the first coil battle array, the second coil battle array and ancillary coil battle array
One end is electrically connected with the switch switching unit respectively, the other end is grounded, one end of the event trigger winding battle array and the touching
The connection of signalling detection unit, other end ground connection.
3. permanent magnetism writing position detection plate according to claim 2, which is characterized in that the first coil battle array, the second line
Circle battle array and ancillary coil battle array respectively include the lead loop of multiple equidistant interval settings, and one end of each lead loop is opened with described
Close the gating chip electrical connection in switch unit, the other end is grounded.
4. permanent magnetism writing position detection plate according to claim 3, which is characterized in that the interval between the lead loop
For 1mm-10mm.
5. permanent magnetism writing position detection plate according to claim 3, which is characterized in that the coordinate tablet further includes more
A position identifies that coil, the position identification coil are respectively arranged at the first coil battle array, the second coil battle array and ancillary coil
In battle array.
6. permanent magnetism writing position detection plate according to claim 1, which is characterized in that the event trigger winding battle array includes
At least one conductor coils and it is designed as palace lattice distribution.
7. permanent magnetism writing position detection plate according to claim 2, which is characterized in that the permanent magnetism writing position detection plate
It further include coordinate signal detection unit, logic control element, processor unit and data interface unit, wherein the logic control
Unit processed is electrically connected with the switch switching unit, coordinate signal detection unit, processor unit and data interface unit,
The processor unit is also electrically connected with the trigger signal detection unit.
8. permanent magnetism writing position detection plate according to claim 7, which is characterized in that the data interface unit includes extremely
Few two registers being connect with external device data line.
9. permanent magnetism writing position detection plate according to claim 1, which is characterized in that first angle is 45 degree, and
Second angle is 45 degree.
10. permanent magnetism writing position detection plate according to claim 1, which is characterized in that the permanent magnetism position indicator packet
Include permanent magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920224944.5U CN209265403U (en) | 2019-02-22 | 2019-02-22 | A kind of permanent magnetism writing position detection plate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920224944.5U CN209265403U (en) | 2019-02-22 | 2019-02-22 | A kind of permanent magnetism writing position detection plate |
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| Publication Number | Publication Date |
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| CN209265403U true CN209265403U (en) | 2019-08-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920224944.5U Active CN209265403U (en) | 2019-02-22 | 2019-02-22 | A kind of permanent magnetism writing position detection plate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109613997A (en) * | 2019-02-22 | 2019-04-12 | 四川仪岛科技有限公司 | A kind of permanent magnetism writing position detection plate |
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2019
- 2019-02-22 CN CN201920224944.5U patent/CN209265403U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109613997A (en) * | 2019-02-22 | 2019-04-12 | 四川仪岛科技有限公司 | A kind of permanent magnetism writing position detection plate |
| CN109613997B (en) * | 2019-02-22 | 2024-05-03 | 四川仪岛科技有限公司 | Permanent magnetism writing position detecting board |
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