CN204679954U - Panel computer - Google Patents
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- CN204679954U CN204679954U CN201520146181.9U CN201520146181U CN204679954U CN 204679954 U CN204679954 U CN 204679954U CN 201520146181 U CN201520146181 U CN 201520146181U CN 204679954 U CN204679954 U CN 204679954U
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- 230000003321 amplification Effects 0.000 claims abstract description 24
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 24
- 230000006698 induction Effects 0.000 claims abstract description 11
- 230000005669 field effect Effects 0.000 claims description 16
- 230000005484 gravity Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 8
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Abstract
The utility model discloses a kind of panel computer, comprises MCU controller and display screen, also comprises the infrared ray gesture induction module be connected with described MCU controller; Described infrared ray gesture induction module comprises many group sample circuits and signal amplification circuit; Described sample circuit comprises infrared emission tube and infrared receiver tube, infrared emission tube one end of many groups sample circuit connects from the different control pins of described MCU controller respectively, and reception MCU controller sends different fixed pulse signals, other end ground connection respectively; The infrared receiver tube of many groups sample circuit is in parallel, and the circuit on one side after parallel connection is feeder ear, connects the energization pins of described MCU controller, and the high level receiving MCU controller is powered, and the other end is earth terminal ground connection.Panel computer of the present utility model, sample circuit structure is wherein simple, and components and parts are cheap, reduces the holistic cost of panel computer.
Description
Technical field
The utility model relates to electronic device field, particularly relates to a kind of panel computer.
Background technology
Panel computer is also flat computer (English: TabletPersonal Computer, to be called for short TabletPC, FlatPc, Tablet, Slates), is a kind of small-sized, PC of being convenient for carrying, using touch-screen as basic input equipment.
Existing panel computer is all carry out corresponding operating by button or touch-screen, or carries out gesture identification operation by human body sensor, but existing gesture operation, and circuit structure is complicated, and cost is higher.
Utility model content
Fundamental purpose of the present utility model is for providing the panel computer with gesture induction module with low cost.
In order to realize foregoing invention object, the utility model proposes a kind of panel computer, comprising MCU controller and display screen, also comprise the infrared ray gesture induction module be connected with described MCU controller;
Described infrared ray gesture induction module comprises many group sample circuits and signal amplification circuit;
Described sample circuit comprises infrared emission tube and infrared receiver tube, infrared emission tube one end of many groups sample circuit connects from the different control pins of described MCU controller respectively, and reception MCU controller sends different fixed pulse signals, other end ground connection respectively; The infrared receiver tube of many groups sample circuit is in parallel, and the circuit on one side after parallel connection is feeder ear, connects the energization pins of described MCU controller, and the high level receiving MCU controller is powered, and the other end is earth terminal ground connection;
The infrared ray received is converted to electric signal and is sent to signal amplification circuit and carries out amplifications and process by the infrared receiver tube of described many group sample circuits, electric signal after amplification is sent to described MCU controller, the operation that described in the identification of MCU controller, electric signal is corresponding by signal amplification circuit.
Further, described feeder ear connects the energization pins of described MCU controller by resistance R2.
Further, described signal amplification circuit comprises triode Q1, triode Q2, triode Q3, diode, electric capacity C1 and electric capacity C2;
First base stage of described triode Q1 connects described feeder ear by resistance R4, and the first collector connects described MCU controller, the first grounded emitter;
Second base stage of described triode Q2 connects described feeder ear by resistance R5, and the second collector connects first base stage of described triode Q1, the second grounded emitter;
3rd base stage of described triode Q3 is connected described feeder ear by resistance R7, resistance R3 with resistance R1 successively, and the 3rd collector connects second base stage of described triode Q2, the 3rd grounded emitter;
Connected by described electric capacity C1 between first collector of described triode Q1 and the first emitter; Wire between described resistance R1 and resistance R3 connects the collector of described triode Q1;
The emitter of described triode Q2 connects the positive pole of described diode by resistance R6, the negative pole of diode connects the base stage of described triode Q3; Wire between described resistance R6 and diode is crossing with the wire between described resistance R3 and resistance R7;
One end of described electric capacity C2 connects described earth terminal, other end resistance in series R8, and resistance R8 connects the base stage of described triode Q3.
Further, described many group sample circuits are two groups, are arranged at the both sides that described display screen is corresponding respectively.
Further, gravity sensing module is also comprised;
Described gravity sensing module is connected with described MCU controller.
Further, touch sensible module is also comprised;
Described touch sensible module is connected with described MCU controller.
Further, also backlight control circuit is comprised;
Described backlight control circuit is connected with described MCU controller;
Described backlight control circuit comprises field effect transistor Q4, triode Q5, triode Q6, triode Q7 and electric capacity C3;
The source electrode of described field effect transistor Q4 connects the correspondence control pin of described MCU controller, and drain and connected the input end of backlight LED by resistance R13, grid connects the collector of described triode Q5, is connected between grid and drain electrode by resistance R11;
The correspondence that the base stage of described triode Q5 connects described MCU controller by resistance R12 controls pin, grounded emitter;
The correspondence that the base stage of described triode Q6 connects described MCU controller by resistance R16 controls pin, and emitter connects the source electrode of described field effect transistor Q4, and collector connects the input end of described backlight LED by resistance R15;
The correspondence that the base stage of described triode Q7 connects described MCU controller by resistance R17 controls pin, and emitter connects the source electrode of described field effect transistor Q4, and collector connects the input end of described backlight LED by resistance R18;
One end ground connection of described electric capacity C3, one end of other end contact resistance R14, described resistance R14 connects the drain electrode of described field effect transistor Q4, and the other end connects the input end of described backlight LED.
Panel computer of the present utility model, use infrared ray gesture induction module, wherein infrared emission tube receives the fixing different pulse signals that MCU controls to send respectively, the infrared receiver tube parallel connection of many groups sample circuit receives the power supply of MCU controller afterwards, then the infrared receiver tube after parallel connection is connected on signal amplification circuit, last MCU controller receives the electric signal after amplifying, and identify the operation that this electric signal is corresponding, circuit structure is simple, components and parts are cheap, cost is greatly lower than the first-class identification gesture of shooting of prior art or the hardware cost of other gesture identification.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the panel computer of the utility model one embodiment;
Fig. 2 is the circuit diagram of the sample circuit of the utility model one embodiment;
Fig. 3 is the circuit diagram of the backlight control circuit of the utility model one embodiment;
Fig. 4 is the structural representation of the panel computer of the utility model one embodiment.
The realization of the utility model object, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
See figures.1.and.2, propose a kind of panel computer 100 of the utility model one embodiment, comprise MCU controller 10 and display screen 60, also comprise the infrared ray gesture induction module 20 be connected with described MCU controller 10; Described infrared ray gesture induction module 20 comprises many group sample circuits and signal amplification circuit; Described sample circuit comprises infrared emission tube and infrared receiver tube, infrared emission tube one end of many groups sample circuit connects from the different control pins of described MCU controller 10 respectively, and reception MCU controller 10 sends different fixed pulse signals respectively, other end ground connection, generally can by ground connection after a resistance R10; The infrared receiver tube of many groups sample circuit is in parallel, and the circuit on one side after parallel connection is feeder ear, connects the energization pins of described MCU controller 10, the high level receiving MCU controller 10 is powered, the other end is earth terminal ground connection, and in one embodiment, earth terminal is by resistance R9 ground connection; The infrared ray received is converted to electric signal and is sent to signal amplification circuit and carries out amplifications and process by the infrared receiver tube of described many group sample circuits, electric signal after amplification is sent to described MCU controller 10, MCU controller 10 and identifies the operation that described electric signal is corresponding by signal amplification circuit.The infrared ray that described infrared receiver tube receives is generally the ultrared reflected infrared that staff blocks the infrared emission tube transmitting of same group of sample circuit, order and/or the time of blocking infrared emission tube are different, the electric signal that infrared receiver tube produces is different, MUC controller, according to different electric signal, produces corresponding operational order.
In the present embodiment, above-mentioned panel computer 100 also can be provided with the memory module 73 be connected with MCU controller 10, the conventional modules such as flash memory module 72, power management module 71 and power amplifier module 74.
Gesture identification circuit of the present utility model, the infrared emission tube of many groups sample circuit receives the fixing different pulse signals that MCU controls transmission respectively, the infrared receiver tube parallel connection of many groups sample circuit receives the power supply of MCU controller 10 afterwards, then the infrared receiver tube after parallel connection is connected on signal amplification circuit, last MCU controller 10 receives the electric signal after amplifying, and identify the operation that this electric signal is corresponding, circuit structure is simple, components and parts are cheap, cost is greatly lower than the camera identification gesture of prior art or the hardware cost of other gesture identification.
In the present embodiment, above-mentioned feeder ear connects the energization pins of described MCU controller 10 by resistance R2, and resistance R2 can play the effect of current limliting, prevents high level from producing big current and along the electron device such as bad infrared receiver tube.
In the present embodiment, above-mentioned signal amplification circuit comprises triode Q1, triode Q2, triode Q3, diode D7, electric capacity C1 and electric capacity C2; First base stage of described triode Q1 connects described feeder ear by resistance R4, and the first collector connects the grounded emitter of described MCU controller 10, first; Second base stage of described triode Q2 connects described feeder ear by resistance R5, and the second collector connects first base stage of described triode Q1, the second grounded emitter; 3rd base stage of described triode Q3 is connected described feeder ear by resistance R7, resistance R3 with resistance R1 successively, and the 3rd collector connects second base stage of described triode Q2, the 3rd grounded emitter; Connected by described electric capacity C1 between first collector of described triode Q1 and the first emitter; Wire between described resistance R1 and resistance R3 connects the collector of described triode Q1; The emitter of described triode Q2 connects the positive pole of described diode by resistance R6, the negative pole of diode connects the base stage of described triode Q3; Wire between described resistance R6 and diode is crossing with the wire between described resistance R3 and resistance R7; One end of described electric capacity C2 connects described earth terminal, other end resistance in series R8, and resistance R8 connects the base stage of described triode Q3.When sample circuit collects after hand signal two converts electric signal to, electric signal is coupled to after triode Q3, triode Q2 and the paraphase of triode Q1 combined amplifier through electric capacity C2 and resistance R8, flow to MCU controller 10, then identified by MCU controller 10 and the operational order that electric signal is corresponding complete gesture identification.
In the present embodiment, the structure of signal amplification circuit is simple, and described triode Q1, triode Q2 and triode Q3 all can use model to be 9014 triodes, convenient buying, stable performance, cheap, further reduce the cost of the gesture identification circuit in the present embodiment.
With reference to Fig. 2 and Fig. 4, in the present embodiment, above-mentioned many group sample circuits are two groups, and be arranged at the both sides that described display screen 60 is corresponding respectively, two groups of sample circuits can cooperatively interact, and identify various gestures action.Two groups of sample circuits, are respectively the first sample circuit 21 and the first sample circuit 22, first sample circuit 21 comprises infrared reflection pipe D1 and infrared receiver tube D3; First sample circuit 22 comprises infrared reflection pipe D2 and infrared receiver tube D4; Wherein, as shown in Figure 4, the first sample circuit 21 and the first sample circuit 22 are arranged at the both sides of display screen 60 respectively.When staff streaks from left to right successively above the first sample circuit 21 and the first sample circuit 22, the electric signal then produced successively is: the infrared ray that infrared emission tube D1 launches is wanted to be reflected on infrared receiver tube D3, D3 produces an electric signal, and be sent on signal amplification circuit and amplify, then the infrared ray that infrared emission tube D2 launches is reflected on infrared receiver tube D4, D4 produces second electric signal and is sent on signal amplification circuit and amplifies, MCU controller successively can receive the signal after these two electric discharges, these two signals corresponding then can judge the operational order of gesture, such as assert that this operational order is the order of the page turning from left to right of electronic interface, after staff streaks successively from the dextrad right side above the first sample circuit 22 and the first sample circuit 21, also successively two electric signal are produced, these two electric signal corresponding then can judge the operational order of gesture, such as assert that this operational order is the order of the page turning from right to left of electronic interface, for another example, two hands streak the first sample circuit 21 and the first sample circuit 22 respectively simultaneously, then can complete the operation name order of splitting.
In the present embodiment, above-mentioned panel computer 100 also comprises gravity sensing module 30, and described gravity sensing module 30 is connected with described MCU controller 10.In one embodiment, gravity sensing module 30 is 15 degree of common two-way ball switch, when we rock more than 15 degree to from left to right level, corresponding signal is sent to MCU controller 10 by gravity sensing module 30, MCU controller 10 will the corresponding function of this signal of process, and the information of process is outputted to display screen 60 and shows and power amplifier module 74 etc.The gravity sensing module 30 of 15 degree of common two-way ball switch, price is low, effectively reduces the cost of panel computer 100.
In the present embodiment, above-mentioned panel computer 100, also comprises touch sensible module, and described touch sensible module is connected with described MCU controller 10.In one embodiment, touch sensible module adopts capacitive sensing technology to arrange four induced keys, wherein middle part below three display screens 60 being arranged at panel computer 100 panel, be followed successively by right and left key 41, confirm part 42 and return key 43, when finger contact right and left key 41 or options button or return key 43 surface, electric signal corresponding to electric charge generation can be taken away and flow to MCU controller 10, MCU controller 10 and make corresponding function process and the information of process is outputted to display and power amplifier module 74 etc.Another induced key is also right and left key 44, is arranged at the upper left corner of panel computer 100 panel, user-friendly.
With reference to Fig. 3, in the present embodiment, above-mentioned panel computer 100 also comprises backlight control circuit 50; Described backlight control circuit 50 is connected with described MCU controller 10; Described backlight control circuit 50 comprises field effect transistor Q4, triode Q5, triode Q6, triode Q7 and electric capacity C3; The source electrode of described field effect transistor Q4 connects the correspondence control pin of described MCU controller 10, and drain and connected the input end of backlight LED by resistance R13, grid connects the collector of described triode Q5, is connected between grid and drain electrode by resistance R11; The correspondence that the base stage of described triode Q5 connects described MCU controller 10 by resistance R12 controls pin, grounded emitter; The correspondence that the base stage of described triode Q6 connects described MCU controller 10 by resistance R16 controls pin, and emitter connects the source electrode of described field effect transistor Q4, and collector connects the input end of described backlight LED by resistance R15; The correspondence that the base stage of described triode Q7 connects described MCU controller 10 by resistance R17 controls pin, and emitter connects the source electrode of described field effect transistor Q4, and collector connects the input end of described backlight LED by resistance R18; One end ground connection of described electric capacity C3, one end of other end contact resistance R14, described resistance R14 connects the drain electrode of described field effect transistor Q4, and the other end connects the input end of described backlight LED.
Upon power-up, MCU controller 10 exports high level to triode Q5, controls field effect transistor Q5 conducting, powered to the backlight LED of display screen 60 by R13, MCU controller 10 output low level is to triode Q6, and by R, 15 power to the backlight LED of display screen 60, MCU controller 10 exports high level to triode Q7, triode Q7 is obstructed not to power, and at this moment the current-limiting resistance of the backlight LED of display screen 60 is that R13 and R15 is in parallel, and total resistance diminishes, display screen 60 is secondary brightness, i.e. intermediate luminance; When selecting one-level brightness, MCU controller exports high level to triode Q6, triode Q6 not conducting is not powered, MCU controller 10 exports high level to triode Q7, triode Q7 is obstructed not to power, at this moment the current-limiting resistance of the backlight LED of display screen 60 only has R13, and now display screen 60 is one-level brightness, i.e. minimum brightness; When selection three grades of brightness, MCU controller 10 output low level is to triode Q6, triode Q6 conducting, is powered to the backlight LED of display screen 60 by R15, and MCU controller 10 output low level is to triode Q7, triode Q7 conducting, powered to the backlight LED of display screen 60 by R18, at this moment the current-limiting resistance of the backlight LED of display screen 60 is that R19, R7 and R14 are in parallel, and total resistance becomes less, now display screen 60 is three grades of brightness, i.e. maximum brightnesses; The resistance of R13, R15, R18 and the backlight of display screen 60 are inversely proportional to, and best resistance is all that 6.8 Europe are female.After the input end of backlight LED arranges electric capacity C2, electric capacity C2 ground connection, can play the effect of filtering.
The present embodiment, backlight control circuit 50 structure is simple, with low cost, can reduce the cost of panel computer 100.
The panel computer 100 of the present embodiment, be arranged at infrared ray gesture induction module 20, gravity sensing module 30, touch sensible module etc., add the playability of panel computer 100 greatly, when especially panel computer 100 is a kind of panel computer 100 of game, and the treatment circuit of each module, structure is simple, components and parts are convenient to be bought, and cost is low, makes the panel computer 100 of the present embodiment that is with low cost, there is again the playability of superelevation, improve interest and the experience of user.
The foregoing is only preferred embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model instructions and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (7)
1. a panel computer, comprises MCU controller and display screen, it is characterized in that, also comprises the infrared ray gesture induction module be connected with described MCU controller;
Described infrared ray gesture induction module comprises many group sample circuits and signal amplification circuit;
Described sample circuit comprises infrared emission tube and infrared receiver tube, infrared emission tube one end of many groups sample circuit connects from the different control pins of described MCU controller respectively, and reception MCU controller sends different fixed pulse signals, other end ground connection respectively; The infrared receiver tube of many groups sample circuit is in parallel, and the circuit on one side after parallel connection is feeder ear, connects the energization pins of described MCU controller, and the high level receiving MCU controller is powered, and the other end is earth terminal ground connection;
The infrared ray received is converted to electric signal and is sent to signal amplification circuit and carries out amplifications and process by the infrared receiver tube of described many group sample circuits, electric signal after amplification is sent to described MCU controller, the operation that described in the identification of MCU controller, electric signal is corresponding by signal amplification circuit.
2. panel computer according to claim 1, is characterized in that, described feeder ear connects the energization pins of described MCU controller by resistance R2.
3. panel computer according to claim 1, is characterized in that, described signal amplification circuit comprises triode Q1, triode Q2, triode Q3, diode, electric capacity C1 and electric capacity C2;
First base stage of described triode Q1 connects described feeder ear by resistance R4, and the first collector connects described MCU controller, the first grounded emitter;
Second base stage of described triode Q2 connects described feeder ear by resistance R5, and the second collector connects first base stage of described triode Q1, the second grounded emitter;
3rd base stage of described triode Q3 is connected described feeder ear by resistance R7, resistance R3 with resistance R1 successively, and the 3rd collector connects second base stage of described triode Q2, the 3rd grounded emitter;
Connected by described electric capacity C1 between first collector of described triode Q1 and the first emitter; Wire between described resistance R1 and resistance R3 connects the collector of described triode Q1;
The emitter of described triode Q2 connects the positive pole of described diode by resistance R6, the negative pole of diode connects the base stage of described triode Q3; Wire between described resistance R6 and diode is crossing with the wire between described resistance R3 and resistance R7;
One end of described electric capacity C2 connects described earth terminal, other end resistance in series R8, and resistance R8 connects the base stage of described triode Q3.
4. the panel computer according to any one of claim 1-3, is characterized in that, described many group sample circuits are two groups, are arranged at the both sides that described display screen is corresponding respectively.
5. panel computer according to claim 1, is characterized in that, also comprises gravity sensing module; Described gravity sensing module is connected with described MCU controller.
6. panel computer according to claim 1, is characterized in that, also comprises touch sensible module; Described touch sensible module is connected with described MCU controller.
7. panel computer according to claim 1, is characterized in that, also comprises backlight control circuit;
Described backlight control circuit is connected with described MCU controller;
Described backlight control circuit comprises field effect transistor Q4, triode Q5, triode Q6, triode Q7 and electric capacity C3;
The source electrode of described field effect transistor Q4 connects the correspondence control pin of described MCU controller, and drain and connected the input end of backlight LED by resistance R13, grid connects the collector of described triode Q5, is connected between grid and drain electrode by resistance R11;
The correspondence that the base stage of described triode Q5 connects described MCU controller by resistance R12 controls pin, grounded emitter;
The correspondence that the base stage of described triode Q6 connects described MCU controller by resistance R16 controls pin, and emitter connects the source electrode of described field effect transistor Q4, and collector connects the input end of described backlight LED by resistance R15;
The correspondence that the base stage of described triode Q7 connects described MCU controller by resistance R17 controls pin, and emitter connects the source electrode of described field effect transistor Q4, and collector connects the input end of described backlight LED by resistance R18;
One end ground connection of described electric capacity C3, one end of other end contact resistance R14, described resistance R14 connects the drain electrode of described field effect transistor Q4, and the other end connects the input end of described backlight LED.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520146181.9U CN204679954U (en) | 2015-03-13 | 2015-03-13 | Panel computer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520146181.9U CN204679954U (en) | 2015-03-13 | 2015-03-13 | Panel computer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204679954U true CN204679954U (en) | 2015-09-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520146181.9U Expired - Fee Related CN204679954U (en) | 2015-03-13 | 2015-03-13 | Panel computer |
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| Country | Link |
|---|---|
| CN (1) | CN204679954U (en) |
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2015
- 2015-03-13 CN CN201520146181.9U patent/CN204679954U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150930 |
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| CF01 | Termination of patent right due to non-payment of annual fee |