CN104092456B - A kind of touching electronic switch - Google Patents
A kind of touching electronic switch Download PDFInfo
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- CN104092456B CN104092456B CN201410291470.8A CN201410291470A CN104092456B CN 104092456 B CN104092456 B CN 104092456B CN 201410291470 A CN201410291470 A CN 201410291470A CN 104092456 B CN104092456 B CN 104092456B
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Abstract
The invention discloses a kind of touching electronic switch, bridge rectifier including being arranged on input, the output end of the bridge rectifier is provided with power switch pipe, and the output end of the power switch pipe is connected to voltage-stabilized power supply circuit, and the voltage-stabilized power supply circuit is by resistance R1, commutation diode D5, voltage-regulator diode Dw and electric capacity C1Form；Characterized in that, also include the monostable circuit being made up of the first 1/2IC integrated chips, and the bistable circuit being made up of the 2nd 1/2IC integrated chips.The touching electronic switch circuit structure of the present invention is simple, and manufacturing cost is low, service life length, any spark will not be produced during its use, and security is higher, is easy to popularization to use.
Description
Technical field
The present invention relates to a kind of touching electronic switch, belongs to electronic switching technology field.
Background technology
At present, the switch on wall applied to control illuminator, either family, office, hotel or school are basic
On all using mechanical moving seesaw-type (hereinafter referred to as wane type switch) band movable contact turn on or off.For building, decoration process, this
Kind switch wiring is extremely convenient, because not needing zero line access switch, and this point exactly switchs the difficult point institute of realization electronization
.Although wane type switch is now widely used for various places, also there is the defects of its is intrinsic；
1st, abrasion, spring fatigue make it that some mid and low-end products life-spans are shorter caused by perseveration.
2nd, the quality of contact is bad easily cause to aoxidize because of spark caused by loose contact, or even the longevity of light fixture can be influenceed
Life.
3rd, inflammable, explosion hazard gases occasion is not suitable for such switch.
Another is corridor touching time-delay electronic switch, and the controlling switch illuminated as the public place short time is early
Phase is to use " light-operated+to touch delay " pattern, and is widely used, but triggering can only continue shorter time, Zhi Neng every time
Used in some special occasions such as corridor, public lavatory.
As shown in figure 1, be the circuit theory diagrams of corridor touching time-delay electronic switch in the prior art, it is visible in figure, can
Control silicon MCR both ends only have the pressure drop of several volts of zero point, and chip 555 can only depend on C1To power, several milliamperes of load current can only maintain
To a few minutes, and there is no the function of " light-operated " within several seconds, be simply possible to use in corridor, light of public latrine special occasions, can not meet
The demand in home or office field.
Such as the circuit theory diagrams that Fig. 2 is monolithic processor controlled soft-touch control in the prior art, in figure, capacitive touch screen exists
Signal caused by people's touch enters single-chip microcomputer, is sent to output unit by drive circuit after processing, is connect with controllable silicon or relay
Circuit passband, DC-DC units are that supply each unit is single as control after power supply and output unit acquirement voltage after boosting inverter
Member, this scheme can realize multiple-channel output, but circuit is complicated, and cost is high, expensive (single channel single control market price is more than hundred yuan)；
Second is that the conditions of DC-DC unit normal works is that input voltage can not be too low, and this power for resulting in light fixture can not too small (factory
The index that family provides is ＞ 15W)；Cause this product to be difficult to enter common people house, also result in field of employment by compared with the day of one's doom
System.
The content of the invention
The defects of the present invention seeks to exist for prior art, provides a kind of touching electronic switch.
The present invention to achieve the above object, adopts the following technical scheme that：A kind of touching electronic switch, including be arranged on defeated
Enter the bridge rectifier at end, the output end of the bridge rectifier is provided with power switch pipe, the power switch pipe
Output end is connected to voltage-stabilized power supply circuit, and the voltage-stabilized power supply circuit is by resistance R1, commutation diode D5, voltage-regulator diode Dw and
Electric capacity C1Form, resistance R1One end is the input of voltage-stabilized power supply circuit, and the other end connects D5Negative pole, D5Positive pole connection Dw
Positive pole, Dw negative pole ground connection, electric capacity C1It is in parallel with Dw, the Dw just extremely output end of voltage-stabilized power supply circuit；Characterized in that,
Also include the monostable circuit being made up of the first 1/2IC integrated chips, and the bistable state being made up of the 2nd 1/2IC integrated chips
Circuit；Wherein,
1 pin of the first 1/2IC integrated chips is connected to the GND ends of circuit, and the 2 of the first 1/2IC integrated chips draws
Pin is commonly connected to the positive terminal of voltage-stabilized power supply circuit with its 14 pin；3 pins of the first 1/2IC integrated chips pass through electricity
Hinder R2Connect it is in one's hands touch contact, and pass through resistance R respectively3, electric capacity C2It is connected to the GND ends of circuit；First 1/2IC integrated chips
4 pins pass through electric capacity C3It is connected to the GND ends of circuit；
8 pins of the 2nd 1/2IC integrated chips are connected with its 12 pin；Draw the 9 of the 2nd 1/2IC integrated chips
Pin passes through resistance R5The control pole of power switch pipe is connected to, while passes through electric capacity C4It is connected to the GND ends of circuit；And described
7 pins, 10 pins and 13 pins of two 1/2IC integrated chips are all connected to the GND ends of circuit；2nd 1/2IC is integrated
11 pins of chip are connected with 5 pins of the first 1/2IC integrated chips, and pass through resistance R4With the first 1/2IC collection
4 pins into chip connect.
Further, in addition to night switchs indicating circuit, and it is by resistance RbWith light emitting diode D6It is in series, it is described
Resistance RbOne end be connected to the resistance R1With diode D5Node at, the light emitting diode D6Negative pole be connected to electricity
The GND ends on road.
Beneficial effects of the present invention：The touching electronic switch circuit structure of the present invention is simple, and manufacturing cost is low, uses the longevity
Life length, will not produce any spark during its use, and security is higher, be easy to popularization to use.
Brief description of the drawings
Fig. 1 is the circuit theory diagrams of corridor touching time-delay electronic switch in the prior art.
Fig. 2 is the circuit theory diagrams of monolithic processor controlled soft-touch control in the prior art.
Fig. 3 is the circuit theory diagrams of the embodiment of the touching electronic switch of the present invention.
Embodiment
It is a kind of touching electronic switch shown in Fig. 3, a kind of touching electronic switch, including it is arranged on the bridge of input
Formula rectification circuit, the output end of the bridge rectifier are provided with power switch pipe, and the output end of the power switch pipe connects
Voltage-stabilized power supply circuit is connected to, the voltage-stabilized power supply circuit is by resistance R1, commutation diode D5, voltage-regulator diode Dw and electric capacity C1Structure
Into resistance R1One end is the input of voltage-stabilized power supply circuit, and the other end connects D5Negative pole, D5Positive pole connection Dw positive pole, Dw
Negative pole ground connection, electric capacity C1It is in parallel with Dw, the Dw just extremely output end of voltage-stabilized power supply circuit；Characterized in that, also include by
The monostable circuit that first 1/2IC integrated chips are formed, and the bistable circuit being made up of the 2nd 1/2IC integrated chips；Its
In,
1 pin of the first 1/2IC integrated chips is connected to the GND ends of circuit, and the 2 of the first 1/2IC integrated chips draws
Pin is commonly connected to the positive terminal of voltage-stabilized power supply circuit with its 14 pin；3 pins of the first 1/2IC integrated chips pass through electricity
Hinder R2Connect it is in one's hands touch contact, and pass through resistance R respectively3, electric capacity C2It is connected to the GND ends of circuit；First 1/2IC integrated chips
4 pins pass through electric capacity C3It is connected to the GND ends of circuit；
8 pins of the 2nd 1/2IC integrated chips are connected with its 12 pin；Draw the 9 of the 2nd 1/2IC integrated chips
Pin passes through resistance R5The control pole of power switch pipe is connected to, while the GND ends of circuit are connected to by electric capacity C4；And described
7 pins, 10 pins and 13 pins of two 1/2IC integrated chips are all connected to the GND ends of circuit；2nd 1/2IC is integrated
11 pins of chip are connected with 5 pins of the first 1/2IC integrated chips, and pass through resistance R4With the first 1/2IC collection
4 pins into chip connect.
Also include night switch indicating circuit, in addition to night switch instruction electricity in the touching electronic switch of the present invention
Road, it is by resistance RbWith light emitting diode D6It is in series, the resistance RbOne end be connected to the resistance R1With diode D5
Node at, the light emitting diode D6Negative pole be connected to the GND ends of circuit.This way it is possible to avoid closed with during electricity-saving lamp
There is the generation of " flicker " phenomenon under closed state in fluorescent tube.
During work, alternating current 220V passes through by diode D1—D4The bridge rectifier of composition is changed into DC voltage, and it is logical by
Resistance R1With diode D5Composition crosses electric capacity C of the filter circuit into voltage-stabilized power supply circuit1Charging, wherein, zener diode Dw
For voltage will to be limited in a certain operational voltage value.
As electric capacity C1Electric pressure value≤4v when, IC chip unit enters working condition, when people's contact is in one's hands touches contact, the
The 5 pins output high level of one 1/2IC integrated chips so that the 9 pins output high level of the 2nd 1/2IC integrated chips, pass through
Resistance R5 is sent to the control pole of power tube, power tube conducting, and lamp is lighted.Although the height electricity of 5 pins of the first 1/2IC integrated chips
Mean longitude crosses resistance R4, electric capacity C3Delay after return to low level, and bistable circuit is unaffected, maintains the bright state of lamp, until
During second of touch, 5 pins of the first 1/2IC integrated chips export high level again, and the 11 of the 2nd 1/2IC integrated chips draws
Pin is overturn after receiving high level, and 9 pins of the 2nd 1/2IC integrated chips can just export low level, turn off illuminator.
The present invention is the environment-friendly products of Effec-tive Function, work limitation rate ＞ 99.7%, during closing zero load power consumption be about 5 ×
10-6W (power consumption of indicator lamp)；Use the component of low-power so that touch the bright state of back light and be able to maintain that more than 10 hours, energy
Enough meet the use under household and office environments.
Presently preferred embodiments of the present invention is these are only, is not intended to limit the invention, it is all in the spirit and principles in the present invention
Within, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.
Claims (2)
1. a kind of touching electronic switch, including be arranged on the bridge rectifier of input, the bridge rectifier it is defeated
Go out end and be provided with power switch pipe, the output end of the power switch pipe is connected to voltage-stabilized power supply circuit, the voltage-stabilized power supply electricity
Routing resistance R1, commutation diode D5, voltage-regulator diode Dw and electric capacity C1Form, resistance R1One end is defeated for voltage-stabilized power supply circuit
Enter end, other end connection D5Negative pole, D5Positive pole connection Dw positive pole, Dw negative pole ground connection, electric capacity C1It is in parallel with Dw, Dw's
The just extremely output end of voltage-stabilized power supply circuit；Characterized in that, also include the monostable electricity being made up of the first 1/2IC integrated chips
Road, and the bistable circuit being made up of the 2nd 1/2IC integrated chips；Wherein,
1 pin of the first 1/2IC integrated chips is connected to the GND ends of circuit, 2 pins of the first 1/2IC integrated chips with
Its 14 pin is commonly connected to the positive terminal of voltage-stabilized power supply circuit；3 pins of the first 1/2IC integrated chips pass through resistance R2
Connect it is in one's hands touch contact, and pass through resistance R respectively3, electric capacity C2It is connected to the GND ends of circuit；Draw the 4 of first 1/2IC integrated chips
Pin passes through electric capacity C3It is connected to the GND ends of circuit；
8 pins of the 2nd 1/2IC integrated chips are connected with its 12 pin；9 pins of the 2nd 1/2IC integrated chips lead to
Cross resistance R5The control pole of power switch pipe is connected to, while passes through electric capacity C4It is connected to the GND ends of circuit；And the described 2nd 1/
7 pins, 10 pins and 13 pins of 2IC integrated chips are all connected to the GND ends of circuit；The 2nd 1/2IC integrated chips
11 pins be connected with 5 pins of the first 1/2IC integrated chips, and pass through resistance R4Core is integrated with the first 1/2IC
The 4 pins connection of piece.
A kind of 2. touching electronic switch as claimed in claim 1, it is characterised in that indicating circuit also is switched including night,
It is by resistance RbWith light emitting diode D6It is in series, the resistance RbOne end be connected to the resistance R1With diode D5Section
At point, the light emitting diode D6Negative pole be connected to the GND ends of circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410291470.8A CN104092456B (en) | 2014-06-25 | 2014-06-25 | A kind of touching electronic switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410291470.8A CN104092456B (en) | 2014-06-25 | 2014-06-25 | A kind of touching electronic switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104092456A CN104092456A (en) | 2014-10-08 |
| CN104092456B true CN104092456B (en) | 2017-12-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410291470.8A Active CN104092456B (en) | 2014-06-25 | 2014-06-25 | A kind of touching electronic switch |
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| CN (1) | CN104092456B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107148116A (en) * | 2017-06-24 | 2017-09-08 | 佛山市德新科技孵化器有限公司 | A kind of LED adjusts controller circuitry |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2692920Y (en) * | 2004-04-26 | 2005-04-13 | 崔润平 | Touch type contactless switch |
| CN103389663A (en) * | 2013-06-27 | 2013-11-13 | 何林 | Timing switch of touch electric kettle |
| CN204068917U (en) * | 2014-06-25 | 2014-12-31 | 金坛市龙京光电照明工程有限公司 | A kind of touching electronic switch |
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| Publication number | Publication date |
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| CN104092456A (en) | 2014-10-08 |
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| C06 | Publication | ||
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Chen Chunhua Inventor after: Yang Xianjun Inventor after: Zheng Wei Inventor after: Zhang Yuexi Inventor before: Jiang Tieniu Inventor before: Chen Mingjun Inventor before: Du Li |
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| CB03 | Change of inventor or designer information | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20171016 Address after: 325000 Zhejiang province Wenzhou city Longwan District Haicheng Street Luo Mei Avenue 133 Applicant after: SONGRI ELECTRIC Co.,Ltd. Address before: 213200, 98, Hua Cheng Dong Road, Jintan, Jiangsu, Changzhou Applicant before: JINTAN LONGJING PHOTOELECTRIC LIGHTING ENGINEERING Co.,Ltd. |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220830 Address after: No. 389, Jinhai Avenue, Xinghai Street, Economic and Technological Development Zone, Wenzhou City, Zhejiang Province, 325000 Patentee after: Zhejiang Songri Electric Co.,Ltd. Address before: No. 133, Luomei Avenue, Haicheng Street, Longwan District, Wenzhou City, Zhejiang Province, 325000 Patentee before: SONGRI ELECTRIC Co.,Ltd. |
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| TR01 | Transfer of patent right |