CN203178577U - Touch type three-dimensional (3D) glasses - Google Patents
Touch type three-dimensional (3D) glasses Download PDFInfo
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- CN203178577U CN203178577U CN 201320152409 CN201320152409U CN203178577U CN 203178577 U CN203178577 U CN 203178577U CN 201320152409 CN201320152409 CN 201320152409 CN 201320152409 U CN201320152409 U CN 201320152409U CN 203178577 U CN203178577 U CN 203178577U
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Abstract
The utility model provides a pair of touch type three-dimensional (3D) glasses. A power input terminal of the touch sensing chip is connected to an output end of a power supply unit through a magnetic bead so as to separate the touch sensing chip from other power supplies, thereby preventing interferences from other power supplies. Meanwhile, a grounding terminal of the touch sensing chip is directly connected to a grounding terminal of the power supply unit so as to separate the touch sensing chip from the ground of other parts, thereby effectively preventing electromagnetic interferences, reducing misoperation of a touch key part, and improving the touch performance of the 3D glasses. In addition, a plurality of touch type control keys provide various working modes for the 3D glasses, and the periphery of the touch type control keys does not cover the ground. Interferences imposed on the touch key part by small size of a circuit board or unstable ground can be prevented after the distance between control keys under a touch mode is controlled reasonably, thereby further reducing the misoperation, and improving the touch performance of the touch type 3D glasses.
Description
Technical field
The utility model relates to 3D optometric technology field, relates in particular to a kind of touch 3D glasses.
Background technology
Fast gate-type 3D glasses are used for supporting 3D television-viewing 3D program source, the high-end video eyeglasses of the fast gate-type 3D technical design of this utilization is mainly realized 3D effect by the quick refresh rate (will reach 120Hz at least) that improves picture, belongs to active 3D technology.After the 3D signal is input to display device (such as display, projector etc.), the image of 120Hz just realizes that with the form of frame sequence left-right frames alternately produces, by infrared transmitter these frame signals are transferred out, the 3D glasses that be responsible for to receive are watched corresponding image refreshing synchronous realization right and left eyes, and the frame number that maintenance is identical with the 2D video, two eyes of spectators are seen the different pictures of quick switching, and in brain, produce illusion (video camera is taken the effect of not coming out), just watch stereopsis.
More existing 3D glasses, comprise eyeglass, mirror holder, switch, pilot lamp several sections, (some is the switch of hand-push-type to have only an on ﹠ off switch on the function, some then is button) control and being connected of LCD TV, this switch can take up room, influence the attractive in appearance of mirror holder, and need press power supply and could start shooting, operation is not very convenient.
And mechanical switchs such as the switch of emerging touch 3D glasses use soft-touch control replacement hand-push-type, button, and some touch function buttons are set, and make the 3D glasses become elegant in appearance, do not take up room, diverse in function, easy to operate.But because soft-touch control and touch key-press are subject to disturb, cause false triggering, limited promoting the use of of touch 3D glasses.
Therefore, need a kind of new touch 3D glasses, to avoid above-mentioned defective.
The utility model content
The purpose of this utility model is to provide a kind of touch 3D glasses, reduces the maloperation of touch key-press, improves the touch performance of touch 3D glasses.
For addressing the above problem, the utility model provides a kind of touch 3D glasses, comprise mirror holder, eyeglass, touch function unit and power supply unit, wherein, described touch function unit comprises touch key-press part and touch signal processing section, described touch key-press partly comprises a side that is positioned at described mirror holder and is used for the soft-touch control key of touch generation switching signal and is positioned at a plurality of touch mode operating keys that described mirror holder opposite side also is used for touching generation different working modes signal, described touch signal processing section comprises and is positioned at mirror holder and responds to and transmit described switching signal, the touch sensible chip of mode of operation signal and be positioned at mirror holder and according to described switching signal, the microprocessor of mode of operation signal controlling eyeglass work, and the power input of described touch sensible chip is connected with the output terminal of described power supply unit by magnetic bead, and the ground end directly is connected with the ground end of described power supply unit.
Further, described touch key-press partly is positioned on first pcb board, and described touch signal processing section is positioned on second pcb board, and described first pcb board is connected by pad with second pcb board.
Further, described pad is provided with the monolateral diameter shop copper bigger than described pad near the bottom surface of described second pcb board, and an end of described touch sensible chip is connected on the copper of described shop.
Further, the monolateral diameter of described shop copper is than more than the big 2mm of described pad.
Further, described touch sensible chip comprises testing circuit, described testing circuit mainly by be used for described switching signal and mode of operation signal amplifying signal amplifier, be used for to the output signal of described signal amplifier carry out current limliting and every the RC unit of value and the follower that is used for sending into after stable output signal with described RC unit cushions described microprocessor processes form.
Further, the power input of described signal amplifier also connects a 10nF electric capacity and 1 a μ F electric capacity.
Further, the specification of described magnetic bead is 600R/100M.
Further, also be connected to filter capacitor between the output terminal of described magnetic bead and described power supply.
Further, the distance of described two touch mode operating keys is more than 0.5mm.
Further, described touch 3D glasses also comprise the status indicator lamp that is positioned on the mirror holder and connects described touch key-press.
Further, described touch signal processing section also comprises analog switch and booster circuit, and described microprocessor shows 3D rendering by analog switch and booster circuit control eyeglass.
Further, described power supply unit comprises battery and is the charging circuit of battery charge.
Compared with prior art, the touch 3D glasses that the utility model provides, the power input of touch sensible chip is connected to the output terminal of power supply unit by a magnetic bead, to open with other isolated from power, prevent the interference from other power supply, simultaneously the ground end of touch sensible chip is directly received on the ground end of power supply unit, separate with the ground with other, effectively prevent electromagnetic interference (EMI), and then reduce the maloperation of touch key-press part, improve the touch performance of touch 3D glasses; Further, when described touch key-press partly produces faint switching signal, mode of operation signal, the detection module of described touch sensible chip can be amplified to described switching signal, mode of operation signal microprocessor can identified range, prevents that flase drop from surveying; In addition, a plurality of touch mode operating keys provide multiple mode of operation for touch 3D glasses, do not wrap ground around it, and after touch mode operating key spacing is rationally controlled, can prevent because circuit board is smaller, unstable and interference that touch key-press is partly caused, further reduce touching maloperation, improve the touch performance of touch 3D glasses.
Description of drawings
Fig. 1 is the touch 3D Glasses structure synoptic diagram of the utility model specific embodiment.
Fig. 2 is the circuit theory diagrams of touch 3D glasses shown in Figure 1.
Fig. 3 is the whole trace-diagram of circuit board in the touch key-press part of touch 3D glasses shown in Figure 1.
Fig. 4 is the ground floor trace-diagram of circuit board in the touch key-press shown in Figure 3 part.
Fig. 5 is the second layer trace-diagram of circuit board in the touch key-press shown in Figure 3 part.
Fig. 6 is that the touch key-press of touch 3D glasses shown in Figure 1 partly touches the detection principle flow chart.
Fig. 7 is the circuit theory diagrams of the touch sensible chip of touch 3D glasses shown in Figure 1.
Fig. 8 is the schematic diagram of the touch key-press part of touch 3D glasses shown in Figure 1.
Fig. 9 is that the touch sensible chip of touch 3D glasses shown in Figure 1 connects the microprocessor circuit schematic diagram.
Figure 10 is the mode of operation operational flowchart of the touch 3D glasses of touch 3D glasses shown in Figure 1.
Embodiment
Core concept of the present utility model is to disclose a kind of touch 3D glasses, comprise mirror holder, eyeglass, touch function unit and power supply unit, wherein, described touch function unit comprises touch key-press part and touch signal processing section, described touch key-press partly comprises a side that is positioned at described mirror holder and is used for the soft-touch control key of touch generation switching signal and is positioned at a plurality of touch mode operating keys that described mirror holder opposite side also is used for touching generation different working modes signal, described touch signal processing section comprises and is positioned at mirror holder and responds to and transmit described switching signal, the touch sensible chip of mode of operation signal and be positioned at mirror holder and according to described switching signal, the microprocessor of mode of operation signal controlling eyeglass work, and the power input of described touch sensible chip is connected with the output terminal of described power supply unit by magnetic bead, and the ground end directly is connected with the ground end of described power supply unit.
For the purpose of this utility model, feature are become apparent, below in conjunction with accompanying drawing embodiment of the present utility model is further described, yet the utility model can be realized with different forms, should not think just to be confined to described embodiment.
Please refer to Fig. 1 and Fig. 2, present embodiment provides a kind of touch 3D glasses, comprise mirror holder, eyeglass 30, antenna 31, touch function unit and power supply unit 21, wherein, described touch function unit comprises touch key-press part 10 and touch signal processing section 20, described touch key-press part 10 comprises a side that is positioned at described mirror holder and is used for the soft-touch control key 1 of touch generation switching signal and is positioned at two touch mode operating keys 2 that described mirror holder opposite side also is used for touching generation different working modes signal, 3, touch mode operating key 2,3 these two membrane keyboard distances want far away, avoid causing maloperation, for example the touch mode operating key 2,3 these two membrane keyboard distances are 0.5mm ~ 1mm.Described touch 3D glasses also comprise the status indicator lamp 11 that is positioned on the mirror holder and connects described touch key-press, the number of status indicator lamp 11 can be identical with the number of touch key-press, also can be different, when pressing some touch key-presss, corresponding status indicator lamp can be bright.The touch 3D glasses of present embodiment, when soft-touch control switch 1, power supply unit is opened, left and right sides eyeglass can be seen the 3D image, touch touch mode operating key 2 in the ban, when touching touch mode operating key 3 again, be defined as pattern 0, it is theater mode, touch touch mode operating key 3 in the ban, when touching touch mode operating key 2 again, be defined as pattern 1, be music pattern, thereby can select different work (watching) pattern.In in other embodiment of the present utility model, also can set each touch touch mode operating key and control a kind of mode of operation, for example when 1 touch of soft-touch control switch is pressed, touch again and press touch touch mode operating key 2, be defined as pattern 0; When 1 touch of soft-touch control switch is pressed, touch again and press touch touch mode operating key 3, be defined as pattern 1.
Please refer to Fig. 2, Figure 2 shows that the circuit theory diagrams of the touch 3D glasses of present embodiment.The touch signal processing section of the touch 3D glasses that present embodiment provides comprises and is positioned at mirror holder and responds to and transmit the touch sensible chip 201 of described switching signal, mode of operation signal and be positioned at mirror holder and according to the microprocessor 202 of described switching signal, the work of mode of operation signal controlling eyeglass, also comprise analog switch 203 and booster circuit 204, described microprocessor 202 shows 3D rendering by analog switch 203 and booster circuit 204 control eyeglasses 30.The touch 3D glasses of present embodiment are started working after the soft-touch control key is opened, after selecting touch mode operating key 2 or 3, switching signal and mode of operation signal directly pass to the DSP(digital signal processor of microprocessor) handle, meanwhile, touch 3D glasses are by antenna 31 and LCD TV transmitter wireless connections (bluetooth or infrared mode), to receive image information after the connection and be delivered to microprocessor 202, DSP(digital signal processor in the microprocessor 202) according to the mode of operation of selecting image information is handled after, the image of right and left eyes is sent to analog switch 203, through behind the booster circuit 204, signal is sent to the eyeglass 30 of right and left eyes, and the image in this time has synthesized stereopsis to the image of right and left eyes.In the present embodiment, described power supply unit comprises battery 211 and is the charging circuit 212 of battery 211 chargings.Battery adopts the 3V button cell, by charging circuit 212 to its charging.
Please refer to Fig. 3 to 5, in the touch 3D glasses of present embodiment, its PCB is divided into two pcb boards, the circuit of described touch key-press part 10 and status indicator lamp 11 is positioned on first pcb board, the circuit of described touch signal processing section 20 is positioned on second pcb board, and described first pcb board is flexible little circuit board, and described second pcb board is the glasses mainboard, be hardboard, described first pcb board is connected and communication by pad 4 with second pcb board.Wherein, Fig. 3 is the whole trace-diagram of circuit board in the touch key-press part, and Fig. 4 is circuit board ground floor circuit in the touch key-press part, and Fig. 5 is circuit board second layer circuit in the touch key-press part.Circuit board walks distance between centers of tracks from remaining on more than the 0.15mm, effectively to prevent maloperation in the touch key-press part.
In the present embodiment, in order to reach good touch effect, also in the bottom surface of described pad 4, be that the second layer will be done a shop copper that plays reference role, shop copper is also reserved the detection pin than more than the big 0.2mm of pad 4 monolateral diameters and receive on the test side of touch sensible chip 201 on microprocessor, form a testing circuit thus, detect, and adjust the touch effect.
The actual touch testing process can realize by software, for example can detect data by detecting the signal adjustment that touch key-press (soft-touch control key 1, two touch mode operating keys 2,3) produces, and reduces maloperation.General touch sensible chip circuit with ground as a reference, formula is: C
x=C
p+ C
f, C
pElectric capacity when the person's of being to use hand does not contact with touch key-press, i.e. stray capacitance; C
fThe person's of being to use hand does not contact the electric capacity that the back produces with touch key-press, namely point electric capacity.Because in general touch 3D glasses, the PCB area is more limited, the ripple on ground is also bigger, thereby the effect that detects has very mistake.In the present embodiment, in order to reduce error, with pad 4 as a reference, because the state of pad 4 is consistent with the state of touch key-press basically, the error of reference can be little a lot.So the formula that changes after the reference is C=C
P1+ C
F1, C
P1The electric capacity of the pad 4 that the person's of being to use hand scans when not contacting with touch key-press, the Cf1 person's of being to use hand do not contact the electric capacity that the back produces with touch key-press.Detect theory diagram as shown in Figure 6, the electric capacity of touch key-press (having reflected switching signal or mode of operation signal) through the sampling of touch sensible chip after, draw simulated data, after the analog-to-digital conversion process of microprocessor and digital display circuit are handled, can draw Cp1.Microprocessor can be by setting frequency, the amplitude of sine-wave excitation voltage source, and produce operations such as the frequency of reference signal and phase place at the pad reference edge, thereby calculate the capacitance Cp1 of measured capacitance.
Please refer to Fig. 2,7 and Fig. 8, in order to reduce maloperation, the power input VDD of described touch sensible chip 201 is connected with the output terminal of described power supply unit 21 by magnetic bead B1, from the interference of other power supply it is impacted preventing.Because the state of the touch 3D glasses of present embodiment can be changed to holding state by soft-touch control key and two touch mode operating keys in realization work, thereby has the variation of electric current, the electric current of variation can produce galvanomagnetic effect, causes electromagnetic interference (EMI) easily.In order effectively to prevent electromagnetic interference (EMI), the ground GND of described touch sensible chip 201 will separate with other ground, receive the ground of battery 211 separately, make thus and do not wrap ground around soft-touch control key 1 and two the touch mode operating keys 2,3, and then prevent smaller owing to pcb board, the unstable interference that causes the touch key-press part, effectively prevent maloperation.
In the present embodiment, the battery 211 of power supply unit 21 is button cell, thereby the supply voltage of touch sensible chip 201 is 3.0V; Touch sensible chip 201 carries out communication by I2C bus mode and microprocessor 202, its pin GP0[1], GP0[2], GP0[3] connect 3 touch key-presss respectively: soft-touch control key 1(MFB), touch mode operating key 2 (MODE0), touch mode operating key 3 (MODE1); Its pin G0[0] connection pad (DECT); Pin GP1[1], GP1[2], GP1[3], GP1[4] correspondence receives pattern 1 (MODE0, pattern 0) in the microprocessor, pattern 2 (MODE1, pattern 1), start (MFB) and sleep pattern (SLEEP), realize the selection of mode of operation and control function; The CSINT pin of touch sensible chip is the integrated capacitance input end, connects 10nF ~ 100nF electric capacity, for example is 10nF; The VDD pin of touch sensible chip is power input, connects 600R/100M magnetic bead and 100nF filter capacitor.
In the present embodiment, described touch sensible chip comprises that an end is connected to the testing circuit on the copper of described shop, described testing circuit comprise for described switching signal and mode of operation signal amplifying signal amplifier U3-A, be used for to the output signal of described signal amplifier carry out current limliting and every the RC unit of value (R10 and the C6 that connect as the testing circuit of Fig. 7 touch sensible chip) and be used for as described in the RC element output signal is stable send into after cushioning as described in the follower U3-B of microprocessor processes.In the present embodiment, when soft-touch control key 1 was opened, testing circuit was failure to actuate; When soft-touch control key 1 closure, the signal picker U2 of described touch sensible chip gathers signal, this signal is sent into signal amplifier U3-A by the SENSOR_DECT signal end and is amplified, again via the current limliting of RC unit with after straight effect, enter the stable buffering of follower U3-B, handled by the U1 of SENSOR_DECT0 end output switching signal to microprocessor MCU at last.Because the detected minimum touch electric capacity of signal picker U2 is 0.5pF, maximum touch electric capacity is 5pF, so it is less in particular cases to point the touch capacity ratio that produces when touching the touch key-press part at some, be that switching signal and mode of operation signal are more weak, so it need be amplified to the enough identified range of U1 of microprocessor, prevent the flase drop survey.In addition, signal amplifier U3-A power input can also connect a 10nF electric capacity (as C3 in the testing circuit of touch sensible chip among Fig. 7) and 1 a μ F electric capacity (as C4 in the testing circuit of touch sensible chip among Fig. 7) guarantees the stable of its input power supply, makes power supply ripple as far as possible little.In the present embodiment, A=1+R8/R9=6 after namely sampled signal is amplified 6 times, just is easier to identified range at the U1 of microprocessor ratio.
The mode of operation operating process of the touch 3D glasses of the utility model specific embodiment as shown in figure 10, the soft-touch control key is pressed, power connection, the each several part initialization, after touch 3D glasses are started working, have the action of a detection, if do not detect the button operation of touch mode operating key, system just can not work, and keeps the touch mode key to be in dormant state, when finding the action of touch mode operating key is arranged, system will judge, if touch touch mode operating key 2 in the ban, when touching touch mode operating key 3 again, mode of operation is pattern 0, touch 3D glasses are just carried out theater mode (pattern 0), if touch touch mode operating key 3 earlier, when touching touch mode operating key 2 again, mode of operation is pattern 1, just carry out concert pattern (pattern 1), if not above-mentioned two kinds of situations, then enter dormant state, can guarantee that so touch 3D glasses system is at the state of a low-power consumption.In the present embodiment, the audio of theater mode (pattern 0) relatively shakes, and color representation power is very strong, and color is softer; The sound expressive force of concert pattern (pattern 1) is very strong, and stereoeffect is more remarkable; The color scheme of these two kinds of patterns, the audio configuration, difference is very big, and can realize that quick mode switches, time-delay guarantees in 100ns, the setting of this delay time be for stable press or releasing orientation under the touch mode operating key is sampled, thereby avoid most undesired signal, the long or too short sensitivity that all can have influence on the touch mode operating key of delay time.Both are in difference technically: as deployment unit, according to characteristic form and aspect, purity, the lightness of color, the characteristic tone of sound, loudness, tone color arrange different numerical value, can allocate different touch effects color and sound.
In sum, the touch 3D glasses that this enforcement provides have following beneficial effect:
1, on the glasses profile, the distance by control touch mode operating key prevents maloperation;
2, testing circuit selects pad as a reference, does a monolateral diameter than the shop copper of its big 2mm below the pad, has guaranteed to have improved accuracy in detection with reference to effect;
3, the power input of touch sensible chip separates by a magnetic bead and other parts power supply, thereby can effectively prevent the interference of other part power supplys, improves the performance of touch glasses from touch induction circuit;
4, the ground of battery is directly received on the ground of touch sensible chip, thereby can isolate with the ground of other parts, thereby can effectively prevent electromagnetic interference (EMI), improves the performance of touch glasses from PCB.
Obviously, those skilled in the art can carry out various changes and modification to utility model and not break away from spirit and scope of the present utility model.Like this, if of the present utility model these are revised and modification belongs within the scope of the utility model claim and equivalent technologies thereof, then the utility model also is intended to comprise these changes and modification interior.
Claims (10)
1. touch 3D glasses, comprise mirror holder, eyeglass, touch function unit and power supply unit, it is characterized in that: described touch function unit comprises touch key-press part and touch signal processing section, described touch key-press partly comprises a side that is positioned at described mirror holder and is used for the soft-touch control key of touch generation switching signal and is positioned at a plurality of touch mode operating keys that described mirror holder opposite side also is used for touching generation different working modes signal, described touch signal processing section comprises and is positioned at mirror holder and responds to and transmit described switching signal, the touch sensible chip of mode of operation signal and be positioned at mirror holder and according to described switching signal, the microprocessor of mode of operation signal controlling eyeglass work, and the power input of described touch sensible chip is connected with the output terminal of described power supply unit by magnetic bead, and the ground end directly is connected with the ground end of described power supply unit.
2. touch 3D glasses as claimed in claim 1 is characterized in that, described touch key-press partly is positioned on first pcb board, and described touch signal processing section is positioned on second pcb board, and described first pcb board is connected by pad with second pcb board.
3. touch 3D glasses as claimed in claim 2 is characterized in that, described pad is provided with the monolateral diameter shop copper bigger than described pad near the bottom surface of described second pcb board, and an end of described touch sensible chip is connected on the copper of described shop.
4. touch 3D glasses as claimed in claim 3 is characterized in that, copper monolateral diameter in described shop is than more than the big 2mm of described pad.
5. touch 3D glasses as claimed in claim 4, it is characterized in that, described touch sensible chip comprises testing circuit, described testing circuit mainly by be used for described switching signal and mode of operation signal amplifying signal amplifier, be used for to the output signal of described signal amplifier carry out current limliting and every the RC unit of value and the follower that is used for sending into after stable output signal with described RC unit cushions described microprocessor processes form.
6. touch 3D glasses as claimed in claim 4 is characterized in that, the power input of described signal amplifier also connects a 10nF electric capacity and 1 a μ F electric capacity.
7. touch 3D glasses as claimed in claim 1 is characterized in that, the specification of described magnetic bead is 600R/100M.
8. as claim 1 or 7 described touch 3D glasses, it is characterized in that, also be connected to filter capacitor between the output terminal of described magnetic bead and described power supply.
9. touch 3D glasses as claimed in claim 1 is characterized in that the distance of described two touch mode operating keys is more than 0.5mm.
10. touch 3D glasses as claimed in claim 1 is characterized in that, described touch 3D glasses also comprise the status indicator lamp that is positioned on the mirror holder and connects described touch key-press.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320152409 CN203178577U (en) | 2013-03-30 | 2013-03-30 | Touch type three-dimensional (3D) glasses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320152409 CN203178577U (en) | 2013-03-30 | 2013-03-30 | Touch type three-dimensional (3D) glasses |
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| CN203178577U true CN203178577U (en) | 2013-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320152409 Expired - Lifetime CN203178577U (en) | 2013-03-30 | 2013-03-30 | Touch type three-dimensional (3D) glasses |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104575371A (en) * | 2013-10-24 | 2015-04-29 | 昆山工研院新型平板显示技术中心有限公司 | Touch-type 3D display panel and control method thereof |
| CN104932782A (en) * | 2014-03-19 | 2015-09-23 | 联想(北京)有限公司 | Information processing method and apparatus and smart glasses |
-
2013
- 2013-03-30 CN CN 201320152409 patent/CN203178577U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104575371A (en) * | 2013-10-24 | 2015-04-29 | 昆山工研院新型平板显示技术中心有限公司 | Touch-type 3D display panel and control method thereof |
| CN104932782A (en) * | 2014-03-19 | 2015-09-23 | 联想(北京)有限公司 | Information processing method and apparatus and smart glasses |
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Granted publication date: 20130904 |