CN104202875B - Touch type delay electronic switch - Google Patents
Touch type delay electronic switch Download PDFInfo
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- CN104202875B CN104202875B CN201410440719.7A CN201410440719A CN104202875B CN 104202875 B CN104202875 B CN 104202875B CN 201410440719 A CN201410440719 A CN 201410440719A CN 104202875 B CN104202875 B CN 104202875B
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- hex inverter
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
A touch type delay electronic switch comprises a metal sensing piece and a lamp; a power circuit is used for supplying power for a hex inverter chip and an optical coupling chip; three pins of the hex inverter chip are electrically connected with a touch sensing circuit which is formed by the metal sensing piece, a capacitor and a resistor; the capacitor and the resistor are connected together in a parallel mode; the metal sensing piece is connected onto the three pins of the hex inverter chip in a serial mode; the hex inverter chip is controlled by the touch sensing circuit to output the high level or the low level; the optical coupling chip is controlled by the high level and the low level output from the hex inverter chip to be on or off; a bidirectional silicon-controlled switch is controlled by the on-off of the optical coupling chip to be on or off; the lamp is controlled by the on-off of the bidirectional silicon-controlled switch to emit light or be closed. The touch type delay electronic switch is stable in circuit performance, simple in structure, low in cost and wide in application range.
Description
Technical field：
The present invention relates to lamp technical field, more specifically to a kind of street lamp, the gate light of family or fire protection warning lamp institute
Delay control switch.
Background technology：
Delay control switch used by existing street lamp, family's gate light and fire protection warning lamp is generally sound control delay switch, it
Generally there are circuit structure complicated, the high problem of production cost is further improved.
The content of the invention：
The purpose of the present invention is aiming at the deficiency of prior art, and provides a kind of touching time-delay electrical switch, its electricity
Road stable performance, simple structure are with low cost, applied range, and being particularly suitable for street lamp, the gate light of family or fire protection warning lamp makes
With.
The technology solution of the present invention is as follows：
Touching time-delay electrical switch, including metal sensing chip and lamp, power circuit is to hex inverter chip and optocoupler core
Piece is powered, and the touch being made up of metal sensing chip, the first electric capacity and first resistor is electrically connected with 3 feet of hex inverter chip
Sensor circuit, metal sensing chip, the first end of the first electric capacity, first resistor first end respectively with the hex inverter chip
3 feet connect, and the second end of the first electric capacity and the second end of first resistor are grounded respectively, the positive pole connection hex inverter core of diode
6 feet of piece, the negative pole of diode connect 1 foot of hex inverter chip, and the two ends of second resistance connect hex inverter chip respectively
14 feet and 6 feet, the two ends of the 3rd electric capacity connect 7 feet and 6 feet of hex inverter chip respectively, and 14 feet of hex inverter chip connect
VCC is met, the 7 feet ground connection of hex inverter chip, 4 feet of hex inverter chip are connected with 1 foot of opto-coupler chip, the 2 of opto-coupler chip
Foot is grounded after connecting the 5th resistance, and 4 feet of opto-coupler chip are connected with the control pole of bi-directional thyristor switch, 6 feet of opto-coupler chip
It is connected with live wire after series connection 3rd resistor, the first end of bi-directional thyristor switch is connected with the first end of lamp, and bidirectional triode thyristor is opened
The second end closed is connected with zero line, and the second end of lamp is connected with live wire, the first end of the first end of the second electric capacity and the 4th resistance
Connection, the second end of the second electric capacity are connected with live wire, and the second end of the 4th resistance is connected with zero line.
Touch induction circuit control hex inverter core output high level or low level, the high level of hex inverter chip output
Low level control opto-coupler chip conducting or be not turned on, the conducting of opto-coupler chip or be not turned on control bi-directional thyristor switch conducting
Or cut-off, bi-directional thyristor switch on or off control lamp M is luminous or closes.
2 feet and 5 feet of hex inverter chip are high level at ordinary times, and another input is charged due to the 3rd electric capacity,
So 6 feet of hex inverter chip are also high level, therefore 4 feet of hex inverter chip are output as low level, and opto-coupler chip is defeated
Enter end to be not turned on, bi-directional thyristor switch is not triggered, lamp does not work.
Before staff does not touch metal sensing chip, 3 foot of input of hex inverter chip is low level, hex inverter core
1 foot of piece is output as high level, and diode is not turned on.
After staff touches metal sensing chip, using human body sensing stray voltage, 1 foot of hex inverter chip is made to export low
Level, diode current flow, now 6 foot of input of hex inverter chip is low level, and 4 feet of hex inverter chip are output as height
Level, now opto-coupler chip input conducting, bi-directional thyristor switch triggering and conducting, lamp light.
After staff leaves metal sensing chip, 3 feet of hex inverter chip are changed into low level, and the 1 of hex inverter chip
Foot output is changed into high level, and diode cut-off, the 3rd electric capacity are started to charge up, after the 3rd electric capacity charges ten seconds, hex inverter chip
6 foots revert to high level, now hex inverter chip 4 feet output be changed into low level, opto-coupler chip input is not turned on,
Bi-directional thyristor switch trigger electrode loses trigger condition, and bi-directional thyristor switch is not turned on, and lamp is closed.
Hex inverter chip adopts 74HCO2 types, opto-coupler chip to adopt MOC3023 types.
The beneficial effects of the present invention is：
Its circuit performance is stable, and simple structure is with low cost, applied range, be particularly suitable for street lamp, the gate light of family or
Fire protection warning lamp is used.
Description of the drawings：
Fig. 1 is the circuit diagram of the present invention；
Fig. 2 is the power circuit A powered to hex inverter chip and opto-coupler chip of the present invention.
Specific embodiment：
Embodiment：As shown in Figure 1, touching time-delay electrical switch, including metal sensing chip S and lamp M, power circuit give six
Phase inverter chip U1 and opto-coupler chip U2 power, be electrically connected with 3 feet of hex inverter chip U1 by metal sensing chip S,
The touch induction circuit of one electric capacity C1 and first resistor R1 composition, it is metal sensing chip S, the first end of the first electric capacity C1, first electric
The first end of resistance R1 is connected with 3 feet of the hex inverter chip U1 respectively, second end of the first electric capacity C1 and first resistor R1
The second end be grounded respectively, the positive pole of diode D1 connects 6 feet of hex inverter chip U1, and the negative pole connection six of diode D1 is anti-
1 foot of phase device chip U1, the two ends of second resistance R2 connect 14 feet and 6 feet of hex inverter chip U1, the 3rd electric capacity C3 respectively
Two ends connect 7 feet and 6 feet of hex inverter chip U1, the 14 feet connection VCC of hex inverter chip U1, hex inverter core respectively
The 7 feet ground connection of piece U1,4 feet of hex inverter chip U1 are connected with 1 foot of opto-coupler chip U2, and 2 feet of opto-coupler chip U2 connect the
It is grounded after five resistance R5,4 feet of opto-coupler chip U2 are connected with the control pole of bi-directional thyristor switch Q1,6 feet of opto-coupler chip U2
It is connected with live wire after series connection 3rd resistor R3, the first end of bi-directional thyristor switch Q1 is connected with the first end of lamp M, two-way controllable
Second end of transwitch Q1 is connected with zero line, and second end of lamp M is connected with live wire, first end and the 4th resistance of the second electric capacity C2
The first end connection of R4, second end of the second electric capacity C2 are connected with live wire, and second end of the 4th resistance R4 is connected with zero line.
Touch induction circuit control hex inverter core U1 output high level or low level, the height of hex inverter chip U1 outputs
Level or low level control opto-coupler chip U2 conducting or be not turned on, the conducting of opto-coupler chip U2 or be not turned on control bidirectional triode thyristor
Switch Q1 on or off, bi-directional thyristor switch Q1 on or off control lamp M is luminous or closes.
2 feet and 5 feet of hex inverter chip U1 are high level at ordinary times, and another input is substituted the bad for the good due to the 3rd electric capacity C3
Electricity, so 6 feet of hex inverter chip U1 are also high level, therefore 4 feet of hex inverter chip U1 are output as low level, optocoupler
Chip U2 inputs are not turned on, and bi-directional thyristor switch Q1 is not triggered, and lamp M does not work.
Before staff does not touch metal sensing chip S, 3 foot of input of hex inverter chip U1 is low level, and six is anti-phase
1 foot of device chip U1 is output as high level, and diode D1 is not turned on.
After staff touches metal sensing chip S, using human body sensing stray voltage, make 1 foot of hex inverter chip U1 defeated
Go out low level, diode D1 conductings, now 6 foot of input of hex inverter chip U1 is low level, the 4 of hex inverter chip U1
Foot is output as high level, now the conducting of opto-coupler chip U2 inputs, and bi-directional thyristor switch Q1 triggering and conductings, lamp M light.
After staff leaves metal sensing chip S, 3 feet of hex inverter chip U1 are changed into low level, hex inverter chip
The 1 foot output of U1 is changed into high level, and diode D1 cut-offs, the 3rd electric capacity C3 are started to charge up, after the 3rd electric capacity C3 charges ten seconds, six
6 foots of phase inverter chip U1 revert to high level, and the now 4 feet output of hex inverter chip U1 is changed into low level, optocoupler core
Piece U2 inputs are not turned on, and bi-directional thyristor switch Q1 trigger electrodes lose trigger condition, and bi-directional thyristor switch Q1 is not turned on, lamp
M is closed.
Hex inverter chip U1 adopts 74HCO2 types, opto-coupler chip U2 to adopt MOC3023 types.
Claims (1)
1. touching time-delay electrical switch, including metal sensing chip (S) and lamp (M), it is characterised in that：Power circuit is anti-phase to six
Device chip (U1) and opto-coupler chip (U2) power supply, are electrically connected with by metal sensing chip on 3 feet of hex inverter chip (U1)
(S), the touch induction circuit that the first electric capacity (C1) and first resistor (R1) are constituted, metal sensing chip (S), the first electric capacity (C1)
First end, the first end of first resistor (R1) are connected with 3 feet of the hex inverter chip (U1) respectively, the first electric capacity (C1)
Second end of the second end and first resistor (R1) is grounded respectively, 6 feet of positive pole connection hex inverter chip (U1) of diode D1,
1 foot of negative pole connection hex inverter chip (U1) of diode D1, the two ends of second resistance (R2) connect hex inverter core respectively
14 feet and 6 feet of piece (U1), the two ends of the 3rd electric capacity (C3) connect 7 feet and 6 feet of hex inverter chip (U1) respectively, and six is anti-phase
The 14 feet connection VCC of device chip (U1), the 7 feet ground connection of hex inverter chip (U1), 4 feet and optocoupler of hex inverter chip (U1)
The 1 foot connection of chip (U2), 2 feet of opto-coupler chip (U2) connect the 5th resistance (R5) and are grounded afterwards, 4 feet of opto-coupler chip (U2) with
The control pole connection of bi-directional thyristor switch (Q1), 6 feet series connection 3rd resistor (R3) of opto-coupler chip (U2) are connected with live wire afterwards,
The first end of bi-directional thyristor switch (Q1) is connected with the first end of lamp (M), second end and zero of bi-directional thyristor switch (Q1)
Line connects, and the second end of lamp (M) is connected with live wire, and the first end of the second electric capacity (C2) is connected with the first end of the 4th resistance (R4)
Connect, the second end of the second electric capacity (C2) is connected with live wire, the second end of the 4th resistance (R4) is connected with zero line；
Touch induction circuit control hex inverter core (U1) output high level or low level, the height that hex inverter chip (U1) is exported
Level or low level control opto-coupler chip (U2) conducting or be not turned on, the conducting of opto-coupler chip (U2) or be not turned on control it is two-way can
Control transwitch (Q1) on or off, bi-directional thyristor switch (Q1) on or off control lamp (M) is luminous or closes；
2 feet and 5 feet of hex inverter chip (U1) are high level at ordinary times, and another input has been substituted the bad for the good due to the 3rd electric capacity (C3)
Electricity, so 6 feet of hex inverter chip (U1) are also high level, therefore 4 feet of hex inverter chip (U1) are output as low level,
Opto-coupler chip (U2) input is not turned on, and bi-directional thyristor switch (Q1) is not triggered, and lamp (M) does not work；
Before staff does not touch metal sensing chip (S), 3 foot of input of hex inverter chip (U1) is low level, and six is anti-phase
1 foot of device chip (U1) is output as high level, and diode (D1) is not turned on；
After staff touches metal sensing chip (S), using human body sensing stray voltage, make 1 foot of hex inverter chip (U1) defeated
Go out low level, diode (D1) conducting, now 6 foot of input of hex inverter chip (U1) is low level, hex inverter chip
(U1) 4 feet are output as high level, now the conducting of opto-coupler chip (U2) input, bi-directional thyristor switch (Q1) triggering and conducting,
Lamp (M) lights；
After staff leaves metal sensing chip (S), 3 feet of hex inverter chip (U1) are changed into low level, hex inverter chip
(U1) 1 foot output is changed into high level, and diode (D1) cut-off, the 3rd electric capacity (C3) are started to charge up, and the 3rd electric capacity (C3) charges
After ten seconds, 6 foots of hex inverter chip (U1) revert to high level, and the now 4 feet output of hex inverter chip (U1) is changed into
Low level, opto-coupler chip (U2) input are not turned on, and bi-directional thyristor switch (Q1) trigger electrode loses trigger condition, two-way controllable
Transwitch (Q1) is not turned on, and lamp (M) is closed；
, using 74HCO2 types, opto-coupler chip (U2) is using MOC3023 types for hex inverter chip (U1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410440719.7A CN104202875B (en) | 2014-09-01 | 2014-09-01 | Touch type delay electronic switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410440719.7A CN104202875B (en) | 2014-09-01 | 2014-09-01 | Touch type delay electronic switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104202875A CN104202875A (en) | 2014-12-10 |
| CN104202875B true CN104202875B (en) | 2017-05-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410440719.7A Active CN104202875B (en) | 2014-09-01 | 2014-09-01 | Touch type delay electronic switch |
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| Country | Link |
|---|---|
| CN (1) | CN104202875B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105918304B (en) * | 2016-06-16 | 2020-01-14 | 赵旭辉 | Mouse trapping device and method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2108383U (en) * | 1991-12-19 | 1992-06-24 | 李志强 | Touch type electronic switch |
| CN2122432U (en) * | 1992-03-04 | 1992-11-18 | 傅胜青 | Single-chip sealing switch end plate |
| CN204046888U (en) * | 2014-09-01 | 2014-12-24 | 苏州博众精工科技有限公司 | Touching time-delay electronic switch |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070216232A1 (en) * | 2006-03-14 | 2007-09-20 | Li Feng | Multi-functional safety power supply switch of touch screen type |
-
2014
- 2014-09-01 CN CN201410440719.7A patent/CN104202875B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2108383U (en) * | 1991-12-19 | 1992-06-24 | 李志强 | Touch type electronic switch |
| CN2122432U (en) * | 1992-03-04 | 1992-11-18 | 傅胜青 | Single-chip sealing switch end plate |
| CN204046888U (en) * | 2014-09-01 | 2014-12-24 | 苏州博众精工科技有限公司 | Touching time-delay electronic switch |
Non-Patent Citations (1)
| Title |
|---|
| 双向晶闸管;网友zzhui20120;《百度文库》;20120630;说明书第3页第12行-第6页最后一行，图1-2 * |
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|---|---|
| CN104202875A (en) | 2014-12-10 |
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| CP01 | Change in the name or title of a patent holder |
Address after: The Wujiang economic and Technological Development Zone West Road Wujiang District of Suzhou City, Jiangsu Province, No. 666 215200 Patentee after: Bo Seiko Polytron Technologies Inc Address before: The Wujiang economic and Technological Development Zone West Road Wujiang District of Suzhou City, Jiangsu Province, No. 666 215200 Patentee before: Suzhou Bozhong Precision Industry Technology Co., Ltd. |