CN104579287A - Touch switching circuit capable of being switched off in delayed manner and with controllable delay time - Google Patents
Touch switching circuit capable of being switched off in delayed manner and with controllable delay time Download PDFInfo
- Publication number
- CN104579287A CN104579287A CN201410796392.7A CN201410796392A CN104579287A CN 104579287 A CN104579287 A CN 104579287A CN 201410796392 A CN201410796392 A CN 201410796392A CN 104579287 A CN104579287 A CN 104579287A
- Authority
- CN
- China
- Prior art keywords
- switch
- touch
- way scr
- gnd
- closing
- Prior art date
- 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.)
- Pending
Links
Abstract
The invention provides a touch switching circuit capable of being switched off in a delayed manner and with controllable delay time. The touch switching circuit is characterized by comprising a normally closed relay drive circuit (S), an adjustable resistor (R1), two sampling resistors (R1 and R2), two MCR 100-8 one-way thyristors (SCR1 and SCR2), a capacitor (C), a switch tube (mosfet), two touch pieces (ON and OFF), a load (P) and a direct-current power supply (VCC-GND). The touch switching circuit is reasonable in circuit design, can be switched off in a delayed manner, is adjustable in delay time, and convenient in signal acquisition and control points, can be directly used with an intelligent control program conveniently or directly serve as a part of an intelligent control circuit, and can be widely applied to production of intelligent household appliances such as intelligent lighting equipment, air-conditioners and televisions.
Description
Technical field
The present invention relates to a kind of electronic circuit technology, be specifically related to be a kind of can with intelligent control program with the use of the touch switch circuit of the controlled time-delay closing of delay duration.
Background technology
The household electrical appliance such as existing touch-control light fixture after usually receiving touch signal cut out, be exactly directly cut out, and at great majority sometimes, people, having closed in the short period after lamp, also need to carry out some of short duration activities, go to bed as needs are felt about in the dark; People, when viewing television program, introduce screen such as power-off immediately when watching and close, can produce larger change, affect the eyesight of people to the vision of people.
Data such as " the simple and easy touch shut-off circuit figure of one-way SCR composition " that inventor finds in ' the Baidu library ' of company of Baidu, but it does not have time-delay closing function, so the present inventor improves it, circuit after improvement can be used for the time-delay closing of desk lamp, coordinates switching power circuit to may be used for the time-delay closing of electric light.
Meanwhile, existing touch switch circuit, lacks rational signal acquisition point and control point, be all not easy to directly and intelligent control program with the use of, the exploitation of intelligent appliance equipment or articles for use can not be used for.
Summary of the invention
The object of the invention is to for the deficiencies in the prior art, and the touch switch circuit of the time-delay closing providing a kind of delay duration controlled, its circuit design is reasonable, there is signal collecting and controlling point easily, be convenient to directly with intelligent control program with the use of, an or direct part as intelligent control circuit.
For achieving the above object, the technical scheme adopted is in the present invention:
A touch switch circuit for the time-delay closing that delay duration is controlled, is characterized in that: by normally closed relay drive circuit (S), adjustable resistance (R1), 2 sampling resistors (R1, R3), 2 models be the one-way SCR (SCR1, SCR2) of MCR100-8, electric capacity (C), switching tube (mosfet), 2 pieces of touch sheets (ON, OFF), load (P), DC power supply (VCC-GND) form;
Load (P) earth terminal is connected with the place (GND) of DC power supply (VCC-GND);
Correct being connected with the place (GND) of DC power supply (VCC-GND) in one end of electric capacity (C);
An one-way SCR (SCR1) is as opening switch, negative electrode as the one-way SCR (SCR1) of opening switch is connected with the ungrounded end of load (P), control end as the one-way SCR (SCR1) of opening switch is connected with 1 touch sheet (ON), as the switch (K) being in series with normally closed relay drive circuit (S) between the anode of the one-way SCR (SCR1) of opening switch and the direct current source point (VCC) of DC power supply (VCC-GND);
An one-way SCR (SCR2) is as closing switch, as closing switch one-way SCR (SCR2) negative electrode be connected with the ungrounded end of electric capacity (C), control end as the one-way SCR (SCR2) of closing switch is connected with 1 touch sheet (OFF), is in series with adjustable resistance (R1) between the anode as the one-way SCR (SCR2) of closing switch and the anode of the one-way SCR (SCR1) as opening switch;
Be connected in parallel on the two ends of electric capacity (C) after 2 sampling resistor (R1, R3) series connection, the common end link of 2 resistance is sampled point;
Switching tube (mosfet) switch pin connect with the coil (J) of relay drive circuit (S) after be connected in parallel on the two ends of electric capacity (C);
The control end of switching tube (mosfet) is connected with the sampled point of 2 sampling resistors;
Described switching tube (mosfet) is mosfet or jfet.
Described electric capacity (C) is electrochemical capacitor.
Described load (P) is relay drive circuit.
The touch switch circuit of the time-delay closing that delay duration provided by the invention is controlled, its circuit design is reasonable, can time-delay closing, delay time is adjustable, and there is signal collecting and controlling point easily, be convenient to directly with intelligent control program with the use of, an or direct part as intelligent control circuit, can be widely used in the manufacture of the intelligent appliance equipment such as intelligent lighting, air-conditioning, television set.
Accompanying drawing illustrates:
Fig. 1 is the circuit theory schematic diagram of the invention process example 1.
Below in conjunction with embodiment, embodiments of the present invention are described.
Embodiment:
Embodiment 1: refer to accompanying drawing 1, the touch switch circuit of the time-delay closing that the delay duration that the present embodiment provides is controlled, by normally closed relay drive circuit S, adjustable resistance R1,2 sampling resistor R1, R3,2 models be unidirectional controllable silicon S CR1, the SCR2 of MCR100-8, electrochemical capacitor C, switching tube mosfet, 2 pieces of touch sheet ON, OFF, load P, DC power supply VCC-GND form; Wherein load P earth terminal is connected with the place GND of DC power supply VCC-GND; Correct being connected with the place GND of DC power supply VCC-GND in one end of electric capacity C.
One of them unidirectional controllable silicon S CR1 is as opening switch, be connected with the ungrounded end of load P as the negative electrode of the unidirectional controllable silicon S CR1 of opening switch, control end as the unidirectional controllable silicon S CR1 of opening switch is connected with 1 touch sheet ON, as the K switch being in series with normally closed relay drive circuit S between the anode of the unidirectional controllable silicon S CR1 of opening switch and the direct current source point VCC of DC power supply VCC-GND;
Wherein another unidirectional controllable silicon S CR2 is as closing switch, as closing switch unidirectional controllable silicon S CR2 negative electrode be connected with the ungrounded end of electric capacity C, control end as the unidirectional controllable silicon S CR2 of closing switch is connected with 1 touch sheet OFF, is in series with adjustable resistance R1 between the anode as the unidirectional controllable silicon S CR2 of closing switch and the anode of the unidirectional controllable silicon S CR1 as opening switch;
Be connected in parallel on the two ends of electric capacity C after 2 sampling resistor R1, R3 series connection, the common end link of 2 resistance is sampled point;
Switching tube mosfet switch pin connect with the coil J of relay drive circuit S after be connected in parallel on the two ends of electric capacity C;
The control end of switching tube mosfet is connected with the sampled point of 2 sampling resistors;
The principle of this embodiment is: touch ON, SCR1 conducting load and power up, touch OFF, SCR2 conducting, charge to electric capacity C, due to sampling resistor R2, the sampled voltage control switch pipe mosfet of R3, time after when capacitor charging one end time, (i.e. the time of delay of late release) both end voltage reaches certain value, mosfet opens relay drive circuit J action is that K switch disconnects, now circuit thoroughly and VCC be disconnected, now rely on electric capacity C continuity power supply a bit of time (about 500 milliseconds), make SCR2, SCR1 thoroughly closes, close in loop circuit because adjustable resistance R1 is connected on, regulate its resistance value can the charging current of control capacittance C, therefore the charging interval of adjustable condenser C, therefore by regulating R1 to regulate, the charging interval being dependence electric capacity C by the delay function of this section of content known embodiment reaches, and the delay adjustment of this embodiment relies on the realization of regulating resistance R1.
Embodiment 2, on the basis of embodiment 1, load P is set to relay drive circuit, for realizing the control of high-power circuit.
The present invention can directly apply to the manufacture of Intelligent lamp control circuit.
The touch switch circuit of the time-delay closing that delay duration provided by the invention is controlled, reasonable in design, can time-delay closing, delay time is adjustable, and there is signals collecting (sampling) point and control (adjustment) point easily, be convenient to directly with intelligent control program with the use of, an or direct part as intelligent control circuit, can be widely used in the manufacture of the intelligent appliance equipment such as illumination, air-conditioning, television set.
Claims (4)
1. a touch switch circuit for the time-delay closing that delay duration is controlled, is characterized in that: by normally closed relay drive circuit (S), adjustable resistance (R1), 2 sampling resistors (R1, R3), 2 models be the one-way SCR (SCR1, SCR2) of MCR100-8, electric capacity (C), switching tube (mosfet), 2 pieces of touch sheets (ON, OFF), load (P), DC power supply (VCC-GND) form;
Load (P) earth terminal is connected with the place (GND) of DC power supply (VCC-GND);
Correct being connected with the place (GND) of DC power supply (VCC-GND) in one end of electric capacity (C);
An one-way SCR (SCR1) is as opening switch, negative electrode as the one-way SCR (SCR1) of opening switch is connected with the ungrounded end of load (P), control end as the one-way SCR (SCR1) of opening switch is connected with 1 touch sheet (ON), as the switch (K) being in series with normally closed relay drive circuit (S) between the anode of the one-way SCR (SCR1) of opening switch and the direct current source point (VCC) of DC power supply (VCC-GND);
An one-way SCR (SCR2) is as closing switch, as closing switch one-way SCR (SCR2) negative electrode be connected with the ungrounded end of electric capacity (C), control end as the one-way SCR (SCR2) of closing switch is connected with 1 touch sheet (OFF), is in series with adjustable resistance (R1) between the anode as the one-way SCR (SCR2) of closing switch and the anode of the one-way SCR (SCR1) as opening switch;
Be connected in parallel on the two ends of electric capacity (C) after 2 sampling resistor (R1, R3) series connection, the common end link of 2 resistance is sampled point;
Switching tube (mosfet) switch pin connect with the coil (J) of relay drive circuit (S) after be connected in parallel on the two ends of electric capacity (C);
The control end of switching tube (mosfet) is connected with the sampled point of 2 sampling resistors.
2. the touch switch circuit of the time-delay closing that delay duration as claimed in claim 1 is controlled, is characterized in that: described switching tube (mosfet) is mosfet or jfet.
3. the touch switch circuit of the time-delay closing that delay duration as claimed in claim 1 is controlled, is characterized in that: described electric capacity (C) is electrochemical capacitor.
4. the touch switch circuit of the time-delay closing that delay duration as claimed in claim 1 is controlled, is characterized in that: described load (P) is relay drive circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410796392.7A CN104579287A (en) | 2014-12-18 | 2014-12-18 | Touch switching circuit capable of being switched off in delayed manner and with controllable delay time |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410796392.7A CN104579287A (en) | 2014-12-18 | 2014-12-18 | Touch switching circuit capable of being switched off in delayed manner and with controllable delay time |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104579287A true CN104579287A (en) | 2015-04-29 |
Family
ID=53094638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410796392.7A Pending CN104579287A (en) | 2014-12-18 | 2014-12-18 | Touch switching circuit capable of being switched off in delayed manner and with controllable delay time |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104579287A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109509680A (en) * | 2018-12-25 | 2019-03-22 | 深圳和而泰小家电智能科技有限公司 | Relay protection circuit |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86205297U (en) * | 1986-07-19 | 1987-07-01 | 陈非 | Power-saving delay-action circuit breaker |
| CN2043807U (en) * | 1988-09-20 | 1989-08-30 | 孙东昌 | Electronic delay automatic turn off switch |
| CN2444344Y (en) * | 2000-07-06 | 2001-08-22 | 中国科学院广州地球化学研究所 | Time delay switch for turn-off lamp |
| CN101790271A (en) * | 2010-03-23 | 2010-07-28 | 广东易家通数字家庭技术发展有限公司 | Light controller capable of regulating delay and brightness |
| CN102420600A (en) * | 2011-12-11 | 2012-04-18 | 陈子杨 | Simple and reliable touch control switch |
| WO2013067550A2 (en) * | 2011-11-01 | 2013-05-10 | Bruwer, Frederick, Johannes | Capacitive sensing enabled switch mode power supply and data transfer |
-
2014
- 2014-12-18 CN CN201410796392.7A patent/CN104579287A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86205297U (en) * | 1986-07-19 | 1987-07-01 | 陈非 | Power-saving delay-action circuit breaker |
| CN2043807U (en) * | 1988-09-20 | 1989-08-30 | 孙东昌 | Electronic delay automatic turn off switch |
| CN2444344Y (en) * | 2000-07-06 | 2001-08-22 | 中国科学院广州地球化学研究所 | Time delay switch for turn-off lamp |
| CN101790271A (en) * | 2010-03-23 | 2010-07-28 | 广东易家通数字家庭技术发展有限公司 | Light controller capable of regulating delay and brightness |
| WO2013067550A2 (en) * | 2011-11-01 | 2013-05-10 | Bruwer, Frederick, Johannes | Capacitive sensing enabled switch mode power supply and data transfer |
| CN102420600A (en) * | 2011-12-11 | 2012-04-18 | 陈子杨 | Simple and reliable touch control switch |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109509680A (en) * | 2018-12-25 | 2019-03-22 | 深圳和而泰小家电智能科技有限公司 | Relay protection circuit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TW202027117A (en) | Switch device capable of automatically detecting and adjusting zero cross point | |
| CN204257515U (en) | Control relay circuit | |
| CN107148132B (en) | Single live wire on-state power taking circuit | |
| CN104579287A (en) | Touch switching circuit capable of being switched off in delayed manner and with controllable delay time | |
| CN203984075U (en) | A kind of novel power supply control device | |
| CN205582826U (en) | Direct current delay control switch circuit | |
| CN104994648A (en) | Light modulation controller of light fixture | |
| TW201838287A (en) | Rf controlled switch box without using neutral wire and a power harvesting switch circuit thereof | |
| CN203733719U (en) | Full wave resistive and capacitive voltage reduction relay drive circuit | |
| CN203984739U (en) | Touch table lamp with an automatic light meter | |
| CN201344498Y (en) | Dual-purpose switch | |
| CN105050256A (en) | Dimming control system with remote control function | |
| CN204809830U (en) | Automatic shut -off means of power that using electricity wisely and lightning protection were hit | |
| CN105226967B (en) | Alternating current 220V ultra-low power standby power supply | |
| CN200994127Y (en) | Passive time delay-off lighting switch | |
| CN203722222U (en) | Surge protection circuit | |
| CN204595641U (en) | A kind of high-precision temperature regulating circuit | |
| CN104570816A (en) | Simple time delay power supply switching circuit | |
| CN203658485U (en) | Rectifying circuit life detection circuit | |
| CN203895964U (en) | Relay self-locking circuit | |
| CN203814018U (en) | Light-operated switch circuit | |
| CN201860262U (en) | Switching power supply circuit for regulating operating frequency | |
| CN203851117U (en) | Single-button multi-point group control device | |
| CN201700046U (en) | LED lamp switch power capable of triggering human body induction | |
| CN204836670U (en) | Public corridor lamp control circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150429 |