CN107733406A - A kind of signal fixed ampllitude bistable state triggering soft-touch control based on constant-current source - Google Patents
A kind of signal fixed ampllitude bistable state triggering soft-touch control based on constant-current source Download PDFInfo
- Publication number
- CN107733406A CN107733406A CN201711059439.1A CN201711059439A CN107733406A CN 107733406 A CN107733406 A CN 107733406A CN 201711059439 A CN201711059439 A CN 201711059439A CN 107733406 A CN107733406 A CN 107733406A
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- CN
- China
- Prior art keywords
- triode
- resistance
- bistable state
- pole
- electric capacity
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/16—Modifications for eliminating interference voltages or currents
- H03K17/168—Modifications for eliminating interference voltages or currents in composite switches
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
- H03K17/567—Circuits characterised by the use of more than one type of semiconductor device, e.g. BIMOS, composite devices such as IGBT
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
- H03K17/96—Touch switches
- H03K17/964—Piezo-electric touch switches
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K2017/515—Mechanical switches; Electronic switches controlling mechanical switches, e.g. relais
Abstract
The invention discloses a kind of signal fixed ampllitude bistable state based on constant-current source to trigger soft-touch control, it is characterised in that is mainly made up of bistable state flip chip U, triode VT1, triode VT2, triode VT3, triode VT4, touch sheet M etc..The present invention only need to can start or stop equipment by the different touch sheet of human body touch, and by handling trigger signal, make trigger signal more stable, avoid soft-touch control from malfunctioning.The present invention possesses constant operating current, therefore it has very high stability.
Description
Technical field
The present invention relates to a kind of soft-touch control, in particular to a kind of signal fixed ampllitude bistable state based on constant-current source to trigger and touch
Switch.
Background technology
Many plant equipment are using soft-touch control come the startup and stopping of control device at present, but traditional touch is opened
Malfunction rate height is closed, has a strong impact on the normal operation of equipment.
The content of the invention
The defects of it is an object of the invention to overcome traditional soft-touch control malfunction rate high, there is provided one kind is based on constant-current source
Signal fixed ampllitude bistable state triggering soft-touch control.
The purpose of the present invention is achieved through the following technical solutions：A kind of signal fixed ampllitude bistable state triggering based on constant-current source is touched
Switch is touched, mainly by bistable state flip chip U, triode VT1, triode VT2, triode VT3, triode VT4, touch sheet M,
Fixed amplitude circuit, the diode D2 that P poles are connected with triode VT4 emitter stage, N poles are connected with power supply, with diode D2 phases
Relay K, N pole in parallel is connected with triode VT4 colelctor electrode, two poles that P poles are connected with triode VT3 emitter stage
Pipe D3, positive pole is connected with bistable state flip chip U R pins, the electric capacity C3 of negative pole ground connection, positive pole and bistable state flip chip
The electric capacity C2 that U S pins are connected, negative pole is connected with electric capacity C3 negative pole, it is serially connected in bistable state flip chip U USS pipes
Resistance R6, N pole between pin and electric capacity C3 negative pole is connected with triode VT3 emitter stage, P poles and electric capacity C3 negative pole pole
Diode D4, the N pole being connected is connected with electric capacity C3 negative pole, D of the P poles with bistable state flip chip U after resistance R5 is managed
The diode D1 that pin is connected, the resistance R7 being serially connected between triode VT1 emitter stage and triode VT2 emitter stage, string
The resistance R8 being connected between triode VT1 emitter stage and triode VT2 base stage, one end are connected with triode VT1 base stage
Connect, the resistance R9 that the other end is grounded after resistance R10, be serially connected in bistable state flip chip U UDD pins and triode VT1
Resistance R3 between colelctor electrode, positive pole is sequentially connected after touch sheet M and resistance R1 with triode VT1 colelctor electrode, negative pole
The electric capacity C1 of ground connection, the resistance R2 being in parallel with electric capacity C1, and it is serially connected in electric capacity C1 positive pole and bistable state flip chip U
Resistance R4 compositions between CP pins；The Q2 pins of the bistable state flip chip U are connected with electric capacity C3 positive pole；Described three
Pole pipe VT3 base stage is connected with fixed amplitude circuit, its colelctor electrode is connected with triode VT4 base stage；The fixed amplitude circuit with
Bistable state flip chip U Q1 pins are connected；The colelctor electrode of the triode VT2 and resistance R9 and resistance R10 tie point
It is connected, its emitter stage is connected with diode D2 N poles.
The fixed amplitude circuit is connected including amplifier P101, P pole with amplifier P101 positive pole, N poles and amplifier
Voltage-regulator diode D102, the N pole that P101 output end is connected is connected with bistable state flip chip U Q1 pins, P poles ground connection
Voltage-regulator diode D101, the resistance R101 being serially connected between voltage-regulator diode D101 N poles and amplifier P101 positive pole, just
Pole is connected with amplifier P101 negative pole, the electric capacity C101 of negative pole ground connection, the resistance R102 being in parallel with electric capacity C101, positive pole
It is connected after resistance R103 with amplifier P101 negative pole, the electric capacity C102 that negative pole is connected with triode VT3 base stage, goes here and there
The resistance R104 being connected between electric capacity C102 negative pole and amplifier P101 output end.
The bistable state flip chip U is CD4013 integrated chips.
The present invention compared with the prior art, has advantages below and beneficial effect：
(1) present invention need to can only start or stop equipment by the different touch sheet of human body touch, and by touching
Signalling is handled, and is made trigger signal more stable, is avoided soft-touch control from malfunctioning.
(2) present invention possesses constant operating current, therefore it has very high stability.
Brief description of the drawings
Fig. 1 is the integrated circuit structure chart of the present invention.
Fig. 2 is the structure chart of the fixed amplitude circuit of the present invention.
Embodiment
The present invention is described in further detail with reference to embodiment, but embodiments of the present invention are not limited to
This.
Embodiment
As shown in figure 1, the present invention is mainly by bistable state flip chip U, triode VT1, triode VT2, triode VT3,
Triode VT4, touch sheet M, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, electricity
Hinder R9, resistance R10, diode D1, diode D2, diode D3, diode D4, relay K, electric capacity C1, electric capacity C2, fixed ampllitude electricity
Road and electric capacity C3 compositions.
During connection, diode D2 P poles are connected with triode VT4 emitter stage, and N poles connect 12V voltages.Relay K with
Diode D2 is in parallel.Diode D3 N poles are connected with triode VT4 colelctor electrode, P poles and triode VT3 emitter stage
It is connected.Electric capacity C3 positive pole is connected with bistable state flip chip U R pins, negative pole ground connection.Electric capacity C2 positive pole and bistable
State flip chip U S pins are connected, and negative pole is connected with electric capacity C3 negative pole.Resistance R6 is serially connected in bistable state flip chip U
USS pins and electric capacity C3 negative pole between.Diode D4 N poles are connected with triode VT3 emitter stage, P poles and electric capacity
C3 negative pole pole is connected.
Meanwhile diode D1 N poles are connected with electric capacity C3 negative pole, P poles after resistance R5 with bistable state flip chip U
D pins be connected.Resistance R7 is serially connected between triode VT1 emitter stage and triode VT2 emitter stage.Resistance R8 is concatenated
Between triode VT1 emitter stage and triode VT2 base stage.Resistance R9 one end is connected with triode VT1 base stage,
The other end is grounded after resistance R10.Resistance R3 is serially connected in bistable state flip chip U UDD pins and triode VT1 colelctor electrode
Between.Electric capacity C1 positive pole is sequentially connected after touch sheet M and resistance R1 with triode VT1 colelctor electrode, negative pole ground connection.Electricity
Resistance R2 and electric capacity C1 is in parallel.Resistance R4 is serially connected between electric capacity C1 positive pole and bistable state flip chip U CP pins.It is described
Bistable state flip chip U Q2 pins are connected with electric capacity C3 positive pole.The base stage of the triode VT3 is connected with fixed amplitude circuit
Connect, its colelctor electrode is connected with triode VT4 base stage；The fixed amplitude circuit is connected with bistable state flip chip U Q1 pins
Connect.The colelctor electrode of the triode VT2 is connected with resistance R9 and resistance R10 tie point, the N of its emitter stage and diode D2
Pole is connected.
Its same composition one of wherein bistable state flip chip U, electric capacity C3, electric capacity C2, diode D1, resistance R5 and resistance R6
Individual flip and flop generator；And triode VT3, triode VT4, diode D3, relay K and diode D2 then form one and opened
Powered-down road；The trigger signal that the on-off circuit exports according to flip and flop generator carries out on or off.Then start during conducting and set
It is standby, then arrestment during cut-off；On the power line for the motor that relay K normally opened contact is then arranged on equipment, when after
Motor obtains electric work when electrical equipment K obtains electric its normally opened contact closure, the driving electricity when its normally opened contact disconnection of relay K dead electricity
Machine is stopped.
Triode VT1, triode VT2, resistance R7, resistance R8, resistance R9 and resistance R10 then form a constant-current source electricity
Road；Resistance R9 and resistance R10 is triode VT1 base biasing resistor；It can be produced at resistance R7 both ends when electric current raises
Voltage drop is given birth to, now triode VT2 is turned on, and triode VT2 collector current flows through resistance R10, so as to triode VT1's
Base current forms shunting, reduces triode VT1 base current, its collector current also reduces therewith, so that electric current
It is more stable, improve the stability of the present invention.Triode VT1 model KTA1046, triode VT2 model
2SA933AS, resistance R7 resistance are that 1K Ω, resistance R8 and resistance R9 resistance are 10K Ω, and resistance R10 resistance is 100K
Ω。
Bistable state flip chip U is CD4013 integrated chips, and electric capacity C2 and electric capacity C3 capacitance is 47 μ F, resistance
The model that R5 and resistance R6 resistance are 10K Ω, triode VT3 and triode VT4 is 3DG12C, diode D1~D4's
Model is 1N4001, and relay K model YL211137, resistance R1 resistance are 100K Ω, and resistance R2 resistance is 1M
Ω, resistance R4 resistance are 1K Ω, and resistance R3 resistance is then 10K Ω, and touch sheet M is copper foil, and electric capacity C1 capacitance is 0.1 μ
F。
As shown in Fig. 2 the fixed amplitude circuit is connected including amplifier P101, P pole with amplifier P101 positive pole, N poles
Voltage-regulator diode D102, the N pole being connected with amplifier P101 output end is connected with bistable state flip chip U Q1 pins
Connect, the voltage-regulator diode D101 of P poles ground connection, be serially connected between voltage-regulator diode D101 N poles and amplifier P101 positive pole
Resistance R101, positive pole is connected with amplifier P101 negative pole, the electric capacity C101 of negative pole ground connection, the electricity being in parallel with electric capacity C101
R102 is hindered, positive pole is connected after resistance R103 with amplifier P101 negative pole, negative pole is connected with triode VT3 base stage
Electric capacity C102, the resistance R104 being serially connected between electric capacity C102 negative pole and amplifier P101 output end.
The trigger signal of bistable state flip chip U outputs is input to amplifier P101 after resistance R101 and is amplified place
Reason, in the process, voltage-regulator diode D101 and voltage-regulator diode D102 make the amplitude of trigger signal more stable；Resistance R102 and
Electric capacity C101 forms a wave filter, and it is filtered processing to interference signal.Trigger signal after fixed amplitude circuit is handled more
Add stabilization, avoid soft-touch control from malfunctioning.Wherein, amplifier P101 model OP07, voltage-regulator diode D101 and steady
Pressure diode D102 model is that 2CW60, resistance R101 and resistance R104 resistance are 5K Ω, resistance R102 and resistance
R103 resistance is that 15K Ω, electric capacity C101 and electric capacity C102 capacitance are 0.01 μ F.
As no touch touch sheet M, electric capacity C1 positive pole and resistance R2 tie point are in low potential, work as human body touch
During touch sheet M, power on, voltage charges after resistance R1 and touch sheet M to electric capacity C1, when the paramount electricity of electric capacity C1 chargings
During level, i.e., when electric capacity C1 positive pole and resistance R2 tie point are in high level, bistable state flip chip U overturns and exports height
Level, signal turn on triode VT2 and triode VT1 after fixed amplitude circuit is handled, and relay K obtains its electric normally opened contact and closed
Close, motor obtains electric work, drives equipment to rotate；Electric capacity C1 is discharged to low level by resistance R2 afterwards, to touch next time
Upset is touched to prepare.Due to bistable state flip chip U characteristic, thus bistable state flip chip U Q1 pins be always maintained at it is defeated
Go out high level.When human body touches touch sheet M again, electric capacity C1 charges again, treats the connection of electric capacity C1 positive pole and resistance R2
When point reaches high level, bistable state flip chip U is set to overturn again, bistable state flip chip U Q1 pins then export low level,
End triode VT3 and triode VT4, relay K must not its electric normally opened contact remain open, motor dead electricity stops work
Make, equipment stops operating.
As described above, the present invention can be realized well.
Claims (2)
1. a kind of signal fixed ampllitude bistable state triggering soft-touch control based on constant-current source, it is characterised in that mainly triggered by bistable state
Chip U, triode VT1, triode VT2, triode VT3, triode VT4, touch sheet M, fixed amplitude circuit, P poles and triode VT4
Emitter stage be connected, the diode D2 that N poles are connected with power supply, relay K, the N pole being in parallel with diode D2 and three poles
The diode D3 that pipe VT4 colelctor electrode is connected, P poles are connected with triode VT3 emitter stage, positive pole and bistable state triggering core
Piece U R pins are connected, the electric capacity C3 of negative pole ground connection, positive pole is connected with bistable state flip chip U S pins, negative pole with it is electric
Hold the electric capacity C2 that C3 negative pole is connected, the electricity being serially connected between bistable state flip chip U USS pins and electric capacity C3 negative pole
R6 is hindered, diode D4, the N pole that N poles are connected with triode VT3 emitter stage, P poles are connected with electric capacity C3 negative pole pole and electricity
Appearance C3 negative pole is connected, the diode D1 that P poles are connected after resistance R5 with bistable state flip chip U D pins, is serially connected in
Resistance R7 between triode VT1 emitter stage and triode VT2 emitter stage, it is serially connected in triode VT1 emitter stage and three
Resistance R8 between pole pipe VT2 base stage, one end is connected with triode VT1 base stage, the other end is grounded after resistance R10
Resistance R9, the resistance R3 being serially connected between bistable state flip chip U UDD pins and triode VT1 colelctor electrode, positive pole is sequentially
It is connected after touch sheet M and resistance R1 with triode VT1 colelctor electrode, the electric capacity C1 of negative pole ground connection, is in parallel with electric capacity C1
Resistance R2, and be serially connected between electric capacity C1 positive pole and bistable state flip chip U CP pins resistance R4 composition；It is described
Bistable state flip chip U Q2 pins are connected with electric capacity C3 positive pole；The base stage of the triode VT3 is connected with fixed amplitude circuit
Connect, its colelctor electrode is connected with triode VT4 base stage；The fixed amplitude circuit is connected with bistable state flip chip U Q1 pins
Connect；The colelctor electrode of the triode VT2 is connected with resistance R9 and resistance R10 tie point, the N of its emitter stage and diode D2
Pole is connected；
The fixed amplitude circuit is connected including amplifier P101, P pole with amplifier P101 positive pole, N poles are with amplifier P101's
Voltage-regulator diode D102, the N pole that output end is connected is connected with bistable state flip chip U Q1 pins, the voltage stabilizing of P poles ground connection
Diode D101, the resistance R101 being serially connected between voltage-regulator diode D101 N poles and amplifier P101 positive pole, positive pole is with putting
Big device P101 negative pole is connected, the electric capacity C101 of negative pole ground connection, and the resistance R102 being in parallel with electric capacity C101, positive pole is through resistance
It is connected after R103 with amplifier P101 negative pole, the electric capacity C102 that negative pole is connected with triode VT3 base stage, is serially connected in electricity
Hold the resistance R104 between C102 negative pole and amplifier P101 output end.
2. a kind of signal fixed ampllitude bistable state triggering soft-touch control based on constant-current source according to claim 1, its feature exist
In the bistable state flip chip U is CD4013 integrated chips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711059439.1A CN107733406A (en) | 2017-11-01 | 2017-11-01 | A kind of signal fixed ampllitude bistable state triggering soft-touch control based on constant-current source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711059439.1A CN107733406A (en) | 2017-11-01 | 2017-11-01 | A kind of signal fixed ampllitude bistable state triggering soft-touch control based on constant-current source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107733406A true CN107733406A (en) | 2018-02-23 |
Family
ID=61222000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711059439.1A Pending CN107733406A (en) | 2017-11-01 | 2017-11-01 | A kind of signal fixed ampllitude bistable state triggering soft-touch control based on constant-current source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107733406A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108768374A (en) * | 2018-07-18 | 2018-11-06 | 刘冰冰 | Skeleton symbol wall list firewire touch switch circuit |
| CN109444556A (en) * | 2018-11-06 | 2019-03-08 | 湖南品腾电子科技有限公司 | A kind of novel sigma-delta capacitance touch detection circuit |
-
2017
- 2017-11-01 CN CN201711059439.1A patent/CN107733406A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108768374A (en) * | 2018-07-18 | 2018-11-06 | 刘冰冰 | Skeleton symbol wall list firewire touch switch circuit |
| CN109444556A (en) * | 2018-11-06 | 2019-03-08 | 湖南品腾电子科技有限公司 | A kind of novel sigma-delta capacitance touch detection circuit |
| CN109444556B (en) * | 2018-11-06 | 2020-12-15 | 湖南品腾电子科技有限公司 | Novel sigma-delta capacitance touch detection circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180223 |
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| WD01 | Invention patent application deemed withdrawn after publication |