CN2888423Y - Finger dynamics sensor and control circuit thereof - Google Patents
Finger dynamics sensor and control circuit thereof Download PDFInfo
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- CN2888423Y CN2888423Y CN 200520032409 CN200520032409U CN2888423Y CN 2888423 Y CN2888423 Y CN 2888423Y CN 200520032409 CN200520032409 CN 200520032409 CN 200520032409 U CN200520032409 U CN 200520032409U CN 2888423 Y CN2888423 Y CN 2888423Y
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Abstract
The utility model relates to a finger sensor and control circuit, as the force of the figure applied on the conductor is different, the touching force and area between the skin of the figure and the conductor vary and the resistance of the spaced conductor will change correspondingly, the voltage of field effect transistor grid is divided to change so that the currents of both the source pole and leak pole of the field effect transistor change, the current change of the optic-coupler transmitting tube between power supply and field transistor change and the voltage change of load resistance are applied to control the signal change in the circuit, the simple sensor and simple circuit are used to realize that the figure force controls the change of the signal in the circuit, this sensor has low cost, simple manufacture, convenient installation, few components in the circuit, safe and reliable property that the control of the signal in large power circuit can be realized, and convenient debugging. The utility model can be applied in volume control of electronic organ, brightness control, rotating speed of DC motor and silimar field in order to reach the purpose of convenience and rapidness.
Description
Affiliated technical field:
The utility model relates to a kind of sensor and control circuit thereof, especially points dynamics sensor and control circuit thereof.
Background technology:
The variation of finger dynamics control circuit signal, usually working pressure or displacement transducer detect, circuit amplifies the variation of shaping control and treatment circuit signal, the perhaps variation by potentiometer control circuit signal, the former complex structure, the used components and parts of circuit are many, the cost height is installed inconvenience, is difficult in many electronic products and promotes, the latter is difficult to obtain the ideal effect of Instantaneous Control, and is also inconvenient in the use.
The utility model content:
The purpose of this utility model is, in order to overcome the complex structure of existing finger dynamics control circuit, the cost height is installed and awkward deficiency, and the defective that can not control immediately, the utility model adopts simple in structure, easy to make, a kind of finger dynamics sensor and control circuit thereof simple and efficient to handle, reach with low cost, of many uses, install easily, improve the purpose of control effect.
The technical scheme that its technical matters that solves the utility model adopts is: finger dynamics sensor adopts on the negative (1) of insulation, conductor material (2) is wall scroll or many parallel tight arrangements with conductor material (3), and outwards draw by lead (4) and lead (5), among control circuit Fig. 2, the positive pole of sensor (CGQ1) end and direct supply links to each other, one end is connected on the negative pole of direct supply by potentiometer (RP1), the adjustable side of potentiometer (RP1) links to each other with the grid of field effect transistor (BG1), and link to each other with the negative pole of direct supply by electric capacity (C1), the drain electrode of field effect transistor (BG1) links to each other with the negative pole of direct supply, one end of potentiometer (RP2) and the positive pole of direct supply link to each other, the adjustable side links to each other with the positive pole of the other end with light emitting diode (LED1), the negative pole of light emitting diode (LED1) links to each other with the positive pole of the power valve of optocoupler integrated circuit (IC1), and the negative pole of the power valve of optocoupler integrated circuit (IC1) links to each other with the source electrode of field effect transistor (BG1).Among control circuit Fig. 3, the negative pole of sensor (CGQ1) and resistance (R1) back in parallel one end and direct supply links to each other, and an end is connected on the positive pole of direct supply by potentiometer (RP1), and remaining circuit is the same with being connected of control circuit Fig. 2.
When the finger dynamics acts on the sensor (CGQ1), finger and the conductor material (2) of sensor (CGQ1) and conductor material (3) contact tightness degree and area can change along with the power of dynamics, because finger skin has certain resistance, therefore the resistance of sensor output along with the conductor material (2) of finger and sensor (CGQ1) and conductor material (3) contact tightness degree and area changes, by with the dividing potential drop of potentiometer, cause the grid voltage of field effect transistor (BG1) to change, thereby the electric current that flows through field effect transistor (BG1) source electrode and drain electrode is changed, the voltage that is connected on the potentiometer (RP2) between field effect transistor (BG1) source electrode and the positive source also can change, the electric current that flows through light emitting diode (LED1) and optocoupler integrated circuit (IC1) power valve can change equally, the brightness of light emitting diode (LED1) simultaneously also can change, utilize the electric current of change in voltage on the potentiometer (RP2) and optocoupler integrated circuit (IC1) power valve to change just can to control and want the circuit signal controlled, reach by pointing the purpose of dynamics sensor and control circuit control circuit signal thereof.Control circuit Fig. 2 controls in the same way, the finger dynamics is strong more, the resistance of sensor (CGQ1) is low more, cause the grid voltage of field effect transistor (BG1) high more, the electric current that flows through field effect transistor (BG1) source electrode and drain electrode is big more, voltage pressure reduction on the potentiometer (RP2) is big more, the electric current that flows through light emitting diode (LED1) and optocoupler integrated circuit (IC1) power valve is big more, otherwise, the finger dynamics is weak more, voltage pressure reduction on the potentiometer (RP2) is more little, the electric current that flows through light emitting diode (LED1) and optocoupler integrated circuit (IC1) power valve is more little, control circuit Fig. 3 is reverse control, the finger dynamics is strong more, voltage pressure reduction on the potentiometer (RP2) is more little, the electric current that flows through light emitting diode (LED1) and optocoupler integrated circuit (IC1) power valve is more little, otherwise, the finger dynamics is weak more, voltage pressure reduction on the potentiometer (RP2) is big more, the electric current that flows through light emitting diode (LED1) and optocoupler integrated circuit (IC1) power valve is big more, if use powerful field effect transistor then the directly bigger circuit load of power controlling.Effect of the present utility model is, realize the variation of finger dynamics control circuit signal with simple sensors and simple circuit, the sensor that adopts is with low cost, make simple, easy to install, the used components and parts of circuit are few, and are safe and reliable, can realize the high-power circuit signal controlling, debugging is convenient.
Description of drawings
Accompanying drawing 1 is the structural drawing of finger dynamics sensor.
Accompanying drawing 2 is control circuit schematic diagrams in the same way.
Accompanying drawing 3 is reverse control circuit schematic diagrams.
Accompanying drawing 4 is the utility model application exemplary plot on mellotron.
Accompanying drawing 5 is the utility model application exemplary plot on lighting.
Accompanying drawing 6 is the utility model application exemplary plot on direct current generator.
Among Fig. 1,1: insulating base 2: conductor material 3: conductor material 4: lead 5: lead
Among Fig. 2, CGQ: sensor RP1: partial pressure potential device C1: filter capacitor BG1: field effect transistor RP2: potentiometer LED1: light emitting diode IC1: optocoupler integrated circuit+Vc: positive source
Among Fig. 3, CGQ: sensor R1: resistance R P1: partial pressure potential device C1: filter capacitor BG1: field effect transistor RP2: potentiometer LED1: light emitting diode IC1: optocoupler integrated circuit+Vc: positive source
Among Fig. 4, CGQL: left hand keyboard sensor CGQR: right hand keyboard sensor RP1: partial pressure potential device RP2: partial pressure potential device C1: filter capacitor C2: filter capacitor BG1: FET BG2: FET RP3: potentiometer RP4: potentiometer LED1: LED 2: light emitting diode IC1: optocoupler IC 2: optocoupler integrated circuit+Vc: positive source Vil: left channel audio signal Vir: right channel audio signal IC3: power amplifier integrate circuit Yl: left channel loudspeaker Yr: right channel loudspeaker R1: resistance R 2: resistance R 3: resistance R 4: resistance R 5: resistance R 6: resistance
Among Fig. 5, CGQ: sensor RP1: partial pressure potential device C1: filter capacitor BG1: field effect transistor RP2: potentiometer LED1: light emitting diode DC: battery supply R1: resistance K: switch L1: bulb
Among Fig. 6, CGQ: sensor RP1: partial pressure potential device C1: filter capacitor BG1: field effect transistor RP2: potentiometer LED1: light emitting diode DC: battery supply R1: resistance K: switch M1: motor D 1: diode
Embodiment:
Among Fig. 1, sensor can use print circuit plates making as required, perhaps use flexible PCB to make, also can conductor material directly be fixed on the base plate that insulating material makes by bonding method, conductor uses the anti-and oxidation material of anticorrosion, or crosses the anti-and oxidation material of one deck anticorrosion at conductive surface, the interval of conductor width and adjacent conductor is value between 0.5 to 2 millimeter as required, the more little relative control accuracy of value is high more, and anti-tampering ability is weak more, and maintenance requirement is high more.
Among Fig. 2 and Fig. 3, potentiometer (RP1) resistance is the number megohm, potentiometer (RP2) resistance is thousands of ohms, field effect transistor (BG1) can be chosen according to the control load, it is 5 millimeters red light emitting diodes that light emitting diode (LED1) is selected diameter for use, DC voltage can not surpass 36 volts, and will buffer circuit be arranged with civil power.
Among Fig. 4, sensor is installed on the keyboard of mellotron, perhaps keyboard is directly made sensor, uses the control of two-way circuit, and the output volume by the right-hand man independently controls left and right acoustic channels can reach stereophonic effect.
Among Fig. 5, the control that illumination is strong and weak, sensor is installed in the position of the switch, be connected on the two ends of sensor after switch and the resistance series connection, can reduce the electric current that flows through switch, reduce the switch cost, prolong switch serviceable life, can make things convenient for as required and adjust the power of throwing light on timely.The power of using high-power FET can directly control lighting brightness changes.
Among Fig. 6, the speed control of direct current generator, sensor is installed in the position of the switch, be connected on the two ends of sensor after switch and the resistance series connection, can reduce the electric current that flows through switch, reduce the switch cost, prolong switch serviceable life, can make things convenient for the speed of adjusting motor speed timely as required, use high-power FET can directly control the speed of motor speed.
Claims (4)
1: a kind of finger dynamics sensor and control circuit thereof, it is characterized in that on the negative (1) of insulation, conductor material (2) is wall scroll or many parallel tight arrangements with conductor material (3), and outwards draw by lead (4) and lead (5), control circuit has control in the same way and oppositely controls dual mode, in the same way in the control circuit, the positive pole of sensor (CGQ1) end and direct supply links to each other, one end is connected on the negative pole of direct supply by potentiometer (RP1), the adjustable side of potentiometer (RP1) links to each other with the grid of field effect transistor (BG1), and link to each other with the negative pole of direct supply by electric capacity (C1), the drain electrode of field effect transistor (BG1) links to each other with the negative pole of direct supply, one end of potentiometer (RP2) and the positive pole of direct supply link to each other, the adjustable side links to each other with the positive pole of the other end with light emitting diode (LED1), the negative pole of light emitting diode (LED1) links to each other with the positive pole of the power valve of optocoupler integrated circuit (IC1), the negative pole of the power valve of optocoupler integrated circuit (IC1) links to each other with the source electrode of field effect transistor (BG1), oppositely in the control circuit, sensor (CGQ1) links to each other with the negative pole of resistance (R1) back in parallel one end and direct supply, one end is connected on the positive pole of direct supply by potentiometer (RP1), the adjustable side of potentiometer (RP1) links to each other with the grid of field effect transistor (BG1), and link to each other with the negative pole of direct supply by electric capacity (C1), the drain electrode of field effect transistor (BG1) links to each other with the negative pole of direct supply, one end of potentiometer (RP2) and the positive pole of direct supply link to each other, the adjustable side links to each other with the positive pole of the other end with light emitting diode (LED1), the negative pole of light emitting diode (LED1) links to each other with the positive pole of the power valve of optocoupler integrated circuit (IC1), and the negative pole of the power valve of optocoupler integrated circuit (IC1) links to each other with the source electrode of field effect transistor (BG1).
2: a kind of finger dynamics sensor according to claim 1 and control circuit thereof, on the negative (1) that it is characterized in that insulating, conductor material (2) is wall scroll or many parallel tight arrangements with conductor material (3), and outwards draws by lead (4) and lead (5).
3: a kind of finger dynamics sensor according to claim 1 and control circuit thereof, it is characterized in that in the same way in the control circuit, the positive pole of sensor (CGQ1) end and direct supply links to each other, one end is connected on the negative pole of direct supply by potentiometer (RP1), the adjustable side of potentiometer (RP1) links to each other with the grid of field effect transistor (BG1), and link to each other with the negative pole of direct supply by electric capacity (C1), the drain electrode of field effect transistor (BG1) links to each other with the negative pole of direct supply, one end of potentiometer (RP2) and the positive pole of direct supply link to each other, the adjustable side links to each other with the positive pole of the other end with light emitting diode (LED1), the negative pole of light emitting diode (LED1) links to each other with the positive pole of the power valve of optocoupler integrated circuit (IC1), and the negative pole of the power valve of optocoupler integrated circuit (IC1) links to each other with the source electrode of field effect transistor (BG1).
4: a kind of finger dynamics sensor according to claim 1 and control circuit thereof, it is characterized in that in the reverse control circuit, sensor (CGQ1) links to each other with the negative pole of resistance (R1) back in parallel one end and direct supply, one end is connected on the positive pole of direct supply by potentiometer (RP1), the adjustable side of potentiometer (RP1) links to each other with the grid of field effect transistor (BG1), and link to each other with the negative pole of direct supply by electric capacity (C1), the drain electrode of field effect transistor (BG1) links to each other with the negative pole of direct supply, one end of potentiometer (RP2) and the positive pole of direct supply link to each other, the adjustable side links to each other with the positive pole of the other end with light emitting diode (LED1), the negative pole of light emitting diode (LED1) links to each other with the positive pole of the power valve of optocoupler integrated circuit (IC1), and the negative pole of the power valve of optocoupler integrated circuit (IC1) links to each other with the source electrode of field effect transistor (BG1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520032409 CN2888423Y (en) | 2005-10-26 | 2005-10-26 | Finger dynamics sensor and control circuit thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520032409 CN2888423Y (en) | 2005-10-26 | 2005-10-26 | Finger dynamics sensor and control circuit thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2888423Y true CN2888423Y (en) | 2007-04-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520032409 Expired - Fee Related CN2888423Y (en) | 2005-10-26 | 2005-10-26 | Finger dynamics sensor and control circuit thereof |
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| CN (1) | CN2888423Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101140198B (en) * | 2007-09-19 | 2010-12-01 | 同济大学 | Vehicle double clutch type automatic speed transmission hardware in ring emulation test-bed |
| CN101662265B (en) * | 2008-08-29 | 2011-10-05 | 英华达（上海）科技有限公司 | Volume drive-by-wire device and method thereof |
| CN103575432A (en) * | 2013-11-22 | 2014-02-12 | 沈阳工业大学 | Flexible three-dimensional contact force matrix sensing device |
| CN106488729A (en) * | 2014-06-27 | 2017-03-08 | 皇家飞利浦有限公司 | There is the home appliances of Power Control |
| CN111586945A (en) * | 2020-05-29 | 2020-08-25 | 福建星宏新材料科技有限公司 | Single-key touch-press dimming switch and switch dimming method |
-
2005
- 2005-10-26 CN CN 200520032409 patent/CN2888423Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101140198B (en) * | 2007-09-19 | 2010-12-01 | 同济大学 | Vehicle double clutch type automatic speed transmission hardware in ring emulation test-bed |
| CN101662265B (en) * | 2008-08-29 | 2011-10-05 | 英华达（上海）科技有限公司 | Volume drive-by-wire device and method thereof |
| CN103575432A (en) * | 2013-11-22 | 2014-02-12 | 沈阳工业大学 | Flexible three-dimensional contact force matrix sensing device |
| CN106488729A (en) * | 2014-06-27 | 2017-03-08 | 皇家飞利浦有限公司 | There is the home appliances of Power Control |
| CN106488729B (en) * | 2014-06-27 | 2019-12-13 | 皇家飞利浦有限公司 | Household appliance with power control |
| CN111586945A (en) * | 2020-05-29 | 2020-08-25 | 福建星宏新材料科技有限公司 | Single-key touch-press dimming switch and switch dimming method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |