CN201805005U - Antenna array - Google Patents
Antenna array Download PDFInfo
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- CN201805005U CN201805005U CN2010201423123U CN201020142312U CN201805005U CN 201805005 U CN201805005 U CN 201805005U CN 2010201423123 U CN2010201423123 U CN 2010201423123U CN 201020142312 U CN201020142312 U CN 201020142312U CN 201805005 U CN201805005 U CN 201805005U
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- winding displacement
- displacement unit
- aerial array
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Abstract
The utility model relates to an antenna array belonging to the field of electric digital processing. The antenna array comprises wire arranging units, each wire arranging unit comprises two layers of insulating material and at least two conducting wires pressed between the two layers of insulating material, a plurality of wire arranging units are arranged in a first direction on the antenna array, a plurality of wire arranging units are arranged in a second direction on the antenna array, the first direction and the second direction are orthogonal, and the conducting wires in the wire arranging units in the first and the second directions are communicated respectively to form induction loops. By arranging the plurality of wire arranging units in the mutually orthogonal first and second directions, the manufacture process is simplified, the efficiency and precision are improved, and the cost is lowered.
Description
Technical field
The utility model belongs to electric digital processing field, relates in particular to a kind of aerial array.
Background technology
Along with the continuous development of electronic technology, use electronic whiteboard to realize classroom instruction and session discussing, increased the efficient of classroom instruction and session discussing.
Electronic whiteboard is a kind ofly can will write the device that is converted to the signal of telecommunication at the trace information on hand-written surface such as literal or picture, these signals of telecommunication via Computer Processing after, can finish trace information editor, storage, remote transmission, duplicate and printing etc.
The electromagnetic-type electronic blank is one of electronic whiteboard the most commonly used at present, and it comprises aerial array, with the coordinate information of induction user making.Fig. 9 is an aerial array X-direction winding structure schematic diagram commonly used.As shown in Figure 9, this aerial array all is to adopt the method for coiling to realize usually, i.e. each root enamelled wire of coiling in a certain order, thus finish the laying of aerial array, and the enamelled wire of test side one side intersects mutually.But this mode by the enamelled wire coiling is made the method for aerial array owing to need repeatedly repeat the process of coiling, cause making loaded down with trivial details, efficient is lower, the precision of making is lower and cost is higher.
The utility model content
Technical problem to be solved in the utility model provides a kind of aerial array, the defective that precision is lower and cost is higher that in order to overcome the method that enamelled wire coiling mode is made aerial array in the prior art, the making that causes is loaded down with trivial details, efficient is lower, make.
For solving the problems of the technologies described above, the utility model provides a kind of aerial array.This aerial array comprises: the winding displacement unit, the winding displacement unit comprises: two layers of insulation material, be compressed at least two leads between the two layers of insulation material.Be laid with several winding displacement unit on the first direction of described aerial array.Be laid with several winding displacement unit on the second direction of described aerial array.First direction and second direction quadrature.Lead in first direction and the second direction winding displacement unit is communicated with the formation loop inductance respectively.
This aerial array also comprises wiring board, and the lead in the winding displacement unit of first direction and second direction forms the loop inductance that several disconnect mutually or are communicated with by wiring board.
This aerial array also comprises silver slurry or copper slurry lead, and the lead in the winding displacement unit of first direction and second direction forms the loop inductance that several disconnect mutually or are communicated with by silver slurry or copper slurry lead.
This aerial array also comprises control circuit, and when the lead in the winding displacement unit of first direction and second direction formed several loop inductances that disconnect mutually by wiring board, the control circuit setting in the circuit board.
The utility model also provides a kind of electronic whiteboard of using above-mentioned aerial array.
The utility model also provides a kind of electronic whiteboard interactive system of using above-mentioned aerial array.
In the utility model, by several winding displacement unit are laid along mutually orthogonal first direction and second direction respectively, and respectively the connection of the lead in the winding displacement unit on first direction and the second direction is constituted aerial array, compare to form aerial array with the coiling of use enamelled wire, each root enamelled wire of coiling in a certain order, thereby simplified manufacturing process, improved efficient and precision, reduced cost.
Description of drawings
Fig. 1 is the laying schematic diagram of winding displacement unit on the utility model aerial array first direction;
Fig. 2 is the laying schematic diagram of winding displacement unit on the utility model aerial array second direction;
Fig. 3 is the flow chart of the utility model aerial array manufacture method embodiment one;
Fig. 4 is the flow chart of the utility model aerial array manufacture method embodiment two;
Fig. 5 is the flow chart of the utility model aerial array manufacture method embodiment three;
Fig. 6 is the electrical structure schematic diagram of the utility model electronic whiteboard embodiment;
Fig. 7 is the perspective view of the utility model electronic whiteboard embodiment;
Fig. 8 is that the position of inner each layer of electronic whiteboard concerns schematic diagram;
Fig. 9 is aerial array X-direction winding structure schematic diagram commonly used.
Embodiment
Below by drawings and Examples, the technical scheme of the utility model embodiment is described in further detail.
Among the following embodiment of the present utility model, adopt the flexible flat cable manufacturing process that at least two leads are compressed between the two-layer insulation material with reaching equidistant or unequal-interval with interval, form the long winding displacement of a number rice, in use, according to the specification and the size of electronic whiteboard, direct shearing can obtain the winding displacement unit from these the several meters long winding displacements.
Fig. 1 is the laying schematic diagram of winding displacement unit on the utility model aerial array first direction.Fig. 2 is the laying schematic diagram of winding displacement unit on the utility model aerial array second direction.Aerial array in the following technical proposals specifically is the aerial array that is applied in the wireless and passive electromagnetic-type electronic blank.First direction is defined as X-direction, and second direction is defined as Y direction.As shown in Figure 1 and Figure 2, winding displacement unit on winding displacement unit and the second direction on the above-mentioned first direction is arranged up and down according to orthogonal direction, promptly formed aerial array of the present utility model.The utility model aerial array comprises: the winding displacement unit 101 of first direction, the winding displacement unit 201 of second direction, the winding displacement unit 101 of first direction and the winding displacement unit 201 of second direction are mutually orthogonal, are respectively equipped with the first direction lead 111 and the second direction lead 211 that form loop inductance in the winding displacement unit 101 of first direction, the winding displacement unit 201 of second direction.
As shown in Figure 1, the winding displacement unit 101 of first direction always has 6, and dotted line is the junction of the winding displacement unit 101 of per two first directions among Fig. 4, is provided with 2 first direction leads 111 that form loop inductance in the winding displacement unit 101 of each first direction.As shown in Figure 2,20 altogether of the winding displacement unit 201 of second direction, dotted line is the junction of the winding displacement unit 201 of per two second directions among Fig. 2.
The present embodiment aerial array also comprises wiring board, silver slurry or copper slurry lead.In the present embodiment, wiring board specifically comprises the input wiring board 202 and the output circuit plate 203 of the input wiring board 102 of first direction and output circuit plate 103, second direction.
Second direction lead 211 in the first direction lead 111 of the winding displacement unit 101 of first direction, the winding displacement unit 201 of second direction forms the U type loop inductance that several disconnect mutually or are communicated with by wiring board, silver slurry or copper slurry lead.
In the present embodiment, the first direction lead 111 of the winding displacement unit 101 of first direction is communicated with several U type loop inductances that disconnect mutually or be communicated with of formation by silver slurry lead 112.Second direction lead 211 in the winding displacement unit 201 of second direction is communicated with several U type loop inductances that disconnect mutually or connect and be communicated with of formation by silver slurry lead 112.Promptly as depicted in figs. 1 and 2, silver is starched the two ends that lead 112 is connected the lead that needs formation U type loop inductance, need to connect the position perforate of silver slurry lead 112 in the winding displacement unit, to finish being electrically connected of silver slurry lead 112 and lead.
Aerial array in the present embodiment is applied to wireless and passive electromagnetic-type electronic blank promptly at non-transformer in the electromagnetism writing pen of making on the electronic whiteboard, then for energy being provided for this electromagnetism writing pen, just needs one to drive network.Therefore, the input wiring board 102 of first direction is used for be communicated with driving network, disconnection or the shared signal output part of U type loop inductance that is communicated with, i.e. the output circuit plate 103 of first direction mutually on this signal output part that drives network and the first direction.If the aerial array in the present embodiment is applied to wired active electromagnetic-type electronic blank, just need not drive network, like this, just can save the input wiring board 102 of first direction, at this moment 101 signal input parts of doing U type loop inductance of incoming line plate of first direction.The input wiring board 202 of second direction and the set-up mode of outlet line plate 203 are similar with the input wiring board 102 and the output circuit plate 103 of first direction respectively.
The present embodiment aerial array also comprises control circuit, and this control circuit is arranged on the output circuit plate 103 of first direction.
In the present embodiment, constitute aerial array by using several winding displacement unit, and the lead in these winding displacement unit is communicated with the U type loop inductance that forms disconnection mutually or be communicated with, avoided using the enamelled wire process of coiling repeatedly.These winding displacement unit are laid in respectively on first direction and the second direction according to mutually orthogonal mode, and be communicated with lead in each winding displacement unit by modes such as printed substrate welding, form the U type loop inductance of several disconnections, several U type loop inductances that perhaps mutual series connection is communicated with, thus be built into aerial array.The technical scheme of present embodiment has been simplified aerial array manufacturing process, has improved make efficiency, has been reduced cost.
Fig. 3 is the flow chart of the utility model aerial array manufacture method embodiment one.As shown in Figure 3, in the present embodiment technical scheme, the aerial array manufacture method comprises:
The making that enamelled wire coiled antenna array approach causes is loaded down with trivial details, efficient is low in order to solve, make the lower and more high defective of cost of precision, in the present embodiment technical scheme, utilize the winding displacement unit to build aerial array, promptly lay several winding displacement unit respectively, be equipped with lead in each winding displacement unit along mutually orthogonal first direction and second direction.Number of conductors in the winding displacement unit is not done concrete qualification, can be one or more.Lead can be selected flexible winding displacement for use.In subsequent step, constitute sensor circuit by the mode that is communicated with these leads.The first direction here can be defined as the X-direction in the coordinate system, and second direction can be defined as the Y direction in the coordinate system.Junction between the winding displacement unit can be pasted with adhesive tape, with respectively that the splicing of the winding displacement unit on first direction and the second direction is complete.The number of the winding displacement unit on first direction and the second direction is not done specific qualification, to adapt to the electronic whiteboard of different specification size.
In order to constitute sensor circuit, in the present embodiment technical scheme, laid the winding displacement unit along first direction and second direction respectively, and be communicated with each other and form several single U type loop inductances laying lead in each winding displacement unit on each direction, disconnect mutually between these U type loop inductances, the two ends of each U type loop inductance are connected on the control circuit.Perhaps, the lead in each winding displacement unit of laying on each direction is communicated with several single U type loop inductances of formation, and these U type loop inductances are interconnected, form loop inductance, and the two ends of this loop inductance are connected on the control circuit.
In the present embodiment, by several winding displacement unit are laid along mutually orthogonal first direction and second direction respectively, and respectively the connection of the lead in the winding displacement unit on first direction and the second direction is constituted aerial array, compare to form aerial array with the coiling of use enamelled wire, each root enamelled wire of coiling in a certain order, thereby simplified manufacturing process, improved efficient and precision, reduced cost.
Fig. 4 is the flow chart of the utility model aerial array manufacture method embodiment two.As shown in Figure 4, in the present embodiment technical scheme, the aerial array manufacture method comprises:
In the present embodiment, the X-axis in first direction and the two-dimensional coordinate system is equidirectional.In the technical scheme of present embodiment, use several winding displacement unit to lay along first direction, and the lead in the winding displacement unit of the laying on the first direction is communicated with, form the single U type loop inductance of several disconnections, the connection of perhaps these single U type loop inductances being connected from beginning to end forms the first direction loop inductance.Like this, avoided using enamelled wire to repeat the defective that coiling brings.
In the present embodiment, the Y-axis in second direction and the two-dimensional coordinate system is equidirectional.The formation method of second direction loop inductance can be referring to step 401.
Formed first direction loop inductance and second direction loop inductance respectively through step 401, step 402,, need lay first direction loop inductance and second direction loop inductance in mutually orthogonal mode in order to determine the coordinate information of track.
In the present embodiment, by laying several winding displacement unit along first direction, and the lead in the winding displacement unit on this first direction is communicated with, formed the first direction loop inductance.In like manner, formed the second direction loop inductance.Along mutually orthogonal direction, lay first direction loop inductance and second direction loop inductance, thereby formed aerial array.Compare to form aerial array with using the enamelled wire coiling, each root enamelled wire of coiling in a certain order, thus simplified manufacturing process, improved efficient and precision, reduced cost.
Fig. 5 is the flow chart of the utility model aerial array manufacture method embodiment three.As shown in Figure 5, in the present embodiment technical scheme, the aerial array manufacture method comprises:
In the present embodiment, between the levels insulating material, suppress lead equally spacedly, form the winding displacement unit.Here, according to the actual process requirement, also can between the levels insulating material, suppress lead in non-equidistance ground, to form the winding displacement unit.As previously mentioned, the number of compacting lead can be decided according to the actual process demand between the insulating material.Herein, insulating material can be specially insulation film or insulating paper.The material of the insulation film here can be for polyethylene terephthalate (Polyethylene Terephthalate, be called for short PET) etc.Lead can be copper cash or solder etc.
Above-mentioned this mode by compacting lead formation winding displacement unit can be specially: employing flexible flat cable manufacture craft is compressed on several meters long lead between the two layers of insulation material, form a whole piece winding displacement, in use, according to the specification of electronic whiteboard, this whole piece winding displacement is cut into several winding displacement unit get final product.Like this, when making aerial array, just avoided using the enamelled wire process of coiling repeatedly,, thereby overcome loaded down with trivial details, the low inferior defective of make efficiency of making that this winding method causes with formation antenna permutation.
As previously mentioned, first direction is the X-direction in the coordinate system, and second direction is the Y direction vertical with X-direction.Several winding displacement unit on this both direction, have been laid respectively through step 301 formation.
In order to form loop inductance, can use the mode of printed substrate welding, the crimping of use flexible print circuit board, wire bonds, silver slurry or copper slurry to be communicated with the lead in each winding displacement unit on first direction, the second direction, to form the U type loop inductance of several disconnections, several U type loop inductances of the connection of perhaps connecting mutually.
In the technical scheme of present embodiment, can also on printed substrate, lay control circuit.Here, the printed conductor that is communicated with lead in the winding displacement unit is arranged not only on the printed circuit board (PCB), also be provided with the solder joint of laying control circuit.Also can be in maintenance and consider easily, control circuit and processor etc. is laid on the other printed substrate.Such as, if form the U type loop inductance of several disconnections, just control circuit is arranged on the printed substrate; If form the U type loop inductance that several are connected mutually and are communicated with, control circuit and processor etc. be laid on the other printed substrate.
In the present embodiment, lead is compressed on formation winding displacement unit between the insulating material, when making aerial array, has just avoided using the enamelled wire process of coiling repeatedly.These winding displacement unit are laid in respectively on first direction and the second direction according to mutually orthogonal mode, and be communicated with lead in each winding displacement unit by modes such as printed substrate welding, form the U type loop inductance of several disconnections, several U type loop inductances that perhaps mutual series connection is communicated with, thus be built into aerial array.The technical scheme of present embodiment simplified aerial array manufacturing process, improved make efficiency, reduced cost.
Fig. 6 is the structural representation of the utility model electronic whiteboard embodiment.As shown in Figure 6, electronic whiteboard in the present embodiment is specially wireless and passive electromagnetic-type electronic blank, comprising: processor 601, drive signal generator 602, first direction drive signal multiplexer 603, second direction drive signal multiplexer 604, driving network 605, aerial array 606, detection signal multiplexer 607, synchronous demodulator 608.In the present embodiment, first direction is defined as X-direction, and second direction is defined as Y direction.
Processor 601 is used for drive signal generator 602, first direction drive signal multiplexer 603, second direction drive signal multiplexer 604, detection signal multiplexer 607, synchronous demodulator 608 is controlled and generation is corresponding with coordinate information digital signal.
Drive signal generator 602 is connected with processor 601, first direction drive signal multiplexer 603, second direction drive signal multiplexer 604, detection signal multiplexer 607 respectively, is used to first direction drive signal multiplexer 603, second direction drive signal multiplexer 604 drive signal to be provided and to provide the demodulation clock signal to detection signal multiplexer 607.
Drive network 605 and be connected, be used to the supporting electromagnetism writing pen of electronic whiteboard that energy is provided, promptly as the excitation network of electromagnetism writing pen with first direction drive signal multiplexer 603, second direction drive signal multiplexer 604.Drive network 605 and be arranged on same one deck with aerial array 606.When specifically being provided with, can be arranged on layer, to realize that will drive network 605 is arranged on layer together with aerial array 606 by all winding displacement unit that will drive on network 605 and antenna permutation 606 second directions.Drive network 605 and also can be arranged on different layers with aerial array 606.
Aerial array 606 comprises several winding displacement unit of laying respectively along first direction and second direction, winding displacement unit on first direction and the second direction is mutually orthogonal, the winding displacement unit of first direction specifically is meant the winding displacement unit of arranging along X-axis, as being a winding displacement unit among Fig. 6 between two dotted lines shown in the X-direction.The winding displacement unit of second direction specifically is meant the winding displacement unit of arranging along Y direction, as being a winding displacement unit among Fig. 6 between two dotted lines shown in the Y direction.Be equipped with the lead that forms loop inductance in the winding displacement unit of first direction and second direction.
Detection signal multiplexer 607 is connected with processor 601 with aerial array 606, is used to detect the output signal of aerial array 606.
Synchronous demodulator 608 is connected with processor 601 with detection signal multiplexer 607.Synchronous demodulator 606 is used to suppress noise and the analog output signal of aerial array 604 is carried out demodulation obtain digital output signal.
Electronic whiteboard in the present embodiment technical scheme also comprises wiring board (not shown) and silver slurry lead (not shown), and wiring board is provided with control circuit; Lead in the winding displacement unit of first direction and second direction is communicated with by described silver slurry lead respectively, forms the U type loop inductance that several disconnect mutually or are communicated with.Concrete set-up mode can be participated in above-mentioned associated description.
Fig. 7 is the perspective view of the utility model electronic whiteboard embodiment.As shown in Figure 7, present embodiment electronic whiteboard stereochemical structure comprises: frame 701, writing layer 702, aerial array and driving network layer 703, supporting back board 704 and backboard 705, penholder 706 and support 707.Frame 701 is around in aerial array and drives network layer 703, supporting back board 704 and backboard 705 edge sides.Writing layer 702 is arranged on aerial array and drives network layer 703 fronts.Supporting back board 704 is arranged on aerial array and drives network layer 703 back sides, and backboard 705 is arranged on supporting back board 704 back sides.Penholder 706 is arranged on the lower limb of frame 701, is used to place the electromagnetism writing pen.Support 707 is arranged on the back side of frame 701 and backboard 705, plays the effect of supporting whole electronic whiteboard.
Fig. 8 is that the position of inner each layer of electronic whiteboard concerns schematic diagram.As shown in Figure 8, writing layer 702 is arranged on aerial array and drives network layer 703 fronts, i.e. aerial array shown in Fig. 8 and driving network layer 703 upper surfaces.Supporting back board 704 is arranged on aerial array and drives network layer 703 back sides, i.e. aerial array and driving network layer 703 lower surfaces among Fig. 8.Backboard 705 is arranged on supporting back board 704 back sides, i.e. the lower surface of supporting back board 704 among Fig. 8.
In the present embodiment, by using several winding displacement unit to constitute aerial array, and with the mutual U type loop inductance that disconnects or be communicated with of the connection of the lead in these winding displacement unit formation, avoided using the enamelled wire process of coiling repeatedly, simplified electronic whiteboard manufacturing process, improved make efficiency, reduced cost.
The utility model embodiment also provides a kind of electric whiteboard system, comprising: main frame, projecting apparatus, electromagnetism writing pen and electronic whiteboard.Electronic whiteboard comprises: processor, the aerial array that is connected with processor, the detection signal multiplexer that is connected with aerial array, with detect the synchronous demodulator that multiplexer is connected.The back side of aerial array is provided with the supporting back board of metal or non-metallic material.When the material of supporting back board is non-metallic material, need to increase one deck screen.The front of aerial array is provided with writing layer.The periphery of aerial array and supporting back board is surrounded by frame.Aerial array comprises several winding displacement unit of laying respectively along first direction and second direction.Winding displacement unit on first direction and the second direction is mutually orthogonal, is equipped with the lead that forms loop inductance in the winding displacement unit of first direction and second direction.
Claims (6)
1. an aerial array is characterized in that, comprising: the winding displacement unit, and the winding displacement unit comprises: two layers of insulation material, be compressed at least two leads between the two layers of insulation material; Be laid with several winding displacement unit on the first direction of described aerial array; Be laid with several winding displacement unit on the second direction of described aerial array; First direction and second direction quadrature; Lead in first direction and the second direction winding displacement unit is communicated with the formation loop inductance respectively.
2. aerial array according to claim 1 is characterized in that, also comprises wiring board, and the lead in the winding displacement unit of first direction and second direction forms the loop inductance that several disconnect mutually or are communicated with by wiring board.
3. aerial array according to claim 1 is characterized in that, also comprises silver slurry or copper slurry lead, and the lead in the winding displacement unit of first direction and second direction forms the loop inductance that several disconnect mutually or are communicated with by silver slurry or copper slurry lead.
4. aerial array according to claim 2 is characterized in that, also comprises control circuit, and when the lead in the winding displacement unit of first direction and second direction formed several loop inductances that disconnect mutually by wiring board, the control circuit setting in the circuit board.
5. an electronic whiteboard comprises the described aerial array of the arbitrary claim of claim 1 to 4.
6. an electronic whiteboard interactive system comprises the described aerial array of the arbitrary claim of claim 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201423123U CN201805005U (en) | 2010-03-25 | 2010-03-25 | Antenna array |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201423123U CN201805005U (en) | 2010-03-25 | 2010-03-25 | Antenna array |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201805005U true CN201805005U (en) | 2011-04-20 |
Family
ID=43874507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201423123U Expired - Fee Related CN201805005U (en) | 2010-03-25 | 2010-03-25 | Antenna array |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201805005U (en) |
-
2010
- 2010-03-25 CN CN2010201423123U patent/CN201805005U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110420 Termination date: 20160325 |