CN204068917U - A kind of touching electronic switch - Google Patents
A kind of touching electronic switch Download PDFInfo
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- CN204068917U CN204068917U CN201420345669.XU CN201420345669U CN204068917U CN 204068917 U CN204068917 U CN 204068917U CN 201420345669 U CN201420345669 U CN 201420345669U CN 204068917 U CN204068917 U CN 204068917U
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- 230000000087 stabilizing effect Effects 0.000 claims abstract description 4
- 239000003990 capacitor Substances 0.000 claims description 14
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 239000000047 product Substances 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
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Abstract
The utility model discloses a kind of touching electronic switch, comprise the bridge rectifier being arranged on input, the output of described bridge rectifier is provided with power switch pipe, and the output of described power switch pipe is connected to voltage-stabilized power supply circuit, and described voltage-stabilized power supply circuit is by resistance R
1, rectifier diode D
5, voltage stabilizing didoe Dw and electric capacity C
1form; It is characterized in that, also comprise the monostable circuit be made up of a 1/2IC integrated chip, and the bistable circuit be made up of the 2nd 1/2IC integrated chip.Touching electronic switch circuit structure of the present utility model is simple, low cost of manufacture, long service life, and can not produce any spark in its use procedure, fail safe is higher, is convenient to universal use.
Description
Technical Field
The utility model relates to a touch electronic switch belongs to electronic switch technical field.
Background
At present, a mechanical rocker (hereinafter referred to as a rocker switch) is basically used for driving a contact to be opened or closed in a wall switch for controlling a lighting lamp in a home, an office, a hotel or a school. In terms of building and decoration technologies, the switch wiring is very convenient, and no zero line is needed to enter the switch, which is exactly the difficulty of realizing electronization of the switch. Rocker switches, although widely used in various locations today, have their inherent drawbacks;
1. the wear and the spring fatigue caused by repeated actions lead to short service life of some middle and low-end products.
2. Poor contact quality caused by oxidation due to sparks is easy to cause poor contact, and even the service life of the lamp is affected.
3. The switch is not suitable for the situation with inflammable and explosive gas.
The other is a corridor touch type delay electronic switch, which is used as a control switch for short-time illumination in public places, the early mode of 'light control + touch delay' is commonly used, but each trigger can only last for a short time and can only be used in special occasions such as corridors and public toilets.
As shown in FIG. 1, which is a schematic circuit diagram of a touch type time-delay electronic switch in the prior art, it can be seen that there is only a few tenths of a volt drop across a silicon controlled rectifier MCR, and a chip 555 can only depend on C1The load current of a few milliamperes can only be maintained for a few seconds to a few minutes, and the light-operated lamp has no light-operated function, can only be used in special occasions of corridor lamps and public toilet lamps, and cannot meet the requirements of the household or office field.
Fig. 2 is a schematic circuit diagram of a touch switch controlled by a single-chip microcomputer in the prior art, in the diagram, a signal generated by a capacitive touch screen when a person touches the touch screen enters the single-chip microcomputer, the processed signal is sent to an output unit by a driving circuit, a thyristor or a relay is used for switching on the circuit, a DC-DC unit obtains voltage from a power supply and the output unit, and the voltage is boosted and converted and then supplied to each unit as a control unit, so that the scheme can realize multi-path output, but the circuit is complex, the cost is high, and the price is high (the market price of the single-path single-control is more than one; secondly, the DC-DC unit normally works under the condition that the input voltage cannot be too low, so that the power of the lamp cannot be too low (the index given by a manufacturer is more than 15W); the product is difficult to enter the families of common people, and the use place is greatly limited.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a touch electronic switch to the defect that prior art exists.
The utility model discloses a realize above-mentioned purpose, adopt following technical scheme: the touch electronic switch comprises a bridge rectifier circuit arranged at an input end, wherein a power switch tube is arranged at an output end of the bridge rectifier circuit, an output end of the power switch tube is connected to a voltage-stabilized power supply circuit, and the voltage-stabilized power supply circuit is composed of a resistor R1Rectifier diode D5A voltage stabilizing diode Dw and a capacitor C1Forming; the circuit is characterized by further comprising a monostable circuit formed by a first 1/2IC integrated chip and a bistable circuit formed by a second 1/2IC integrated chip; wherein,
the pin 1 of the first 1/2IC integrated chip is connected to the GND end of the circuit, and the pin 2 of the first 1/2IC integrated chip and the pin 14 thereof are connected to the positive end of the voltage-stabilized power supply circuit; the 3 pin of the first 1/2IC integrated chip passes through a resistor R2Connected to the touch contacts and passing through respective resistors R3Capacitor C2A GND terminal connected to the circuit; 4-pin pass capacitor C of first 1/2IC integrated chip3A GND terminal connected to the circuit;
the 8 pins of the second 1/2IC integrated chip are connected with the 12 pins thereof; the 9 pin of the second 1/2IC integrated chip passes through a resistor R5Connected to the control electrode of the power switch tube and simultaneously passing through a capacitor C4A GND terminal connected to the circuit; and pins 7, 10 and 13 of the second 1/2IC integrated chip are all connected to the GND end of the circuit; the second 1/2IC setThe chip 11 pin is connected with the 5 pin of the first 1/2IC integrated chip and passes through a resistor R4And is connected with the 4 pins of the first 1/2IC integrated chip.
Further, the night switch indicating circuit is also included and is composed of a resistor RbAnd a light emitting diode D6Are connected in series to form the resistor RbIs connected to the resistor R1And a diode D1At a node of, the light emitting diode D6Is connected to the GND terminal of the circuit.
The utility model has the advantages that: the utility model discloses a touch electronic switch circuit simple structure, low in manufacturing cost, long service life can not produce any spark in its use, and the security is higher, is convenient for popularize and use.
Drawings
Fig. 1 is a schematic circuit diagram of a touch type time-delay electronic switch for a corridor in the prior art.
Fig. 2 is a schematic circuit diagram of a touch switch controlled by a single chip in the prior art.
Fig. 3 is a schematic circuit diagram of an embodiment of the touch electronic switch of the present invention.
Detailed Description
FIG. 3 shows a touch electronic switch, which includes a bridge rectifier circuit disposed at an input end, a power switch tube disposed at an output end of the bridge rectifier circuit, and a voltage-stabilized power supply circuit connected to an output end of the power switch tube and including a resistor R1Rectifier diode D5A voltage stabilizing diode Dw and a capacitor C1Forming; the circuit is characterized by further comprising a monostable circuit formed by a first 1/2IC integrated chip and a bistable circuit formed by a second 1/2IC integrated chip; wherein,
the pin 1 of the first 1/2IC integrated chip is connected to the GND end of the circuit, and the pin 2 of the first 1/2IC integrated chip and the pin 14 thereof are connected to the positive end of the voltage-stabilized power supply circuit; the 3 pin of the first 1/2IC integrated chip passes through a resistor R2Connected to the touch contacts and passing through respective resistors R3Capacitor C2A GND terminal connected to the circuit; 4-pin pass capacitor C of first 1/2IC integrated chip3A GND terminal connected to the circuit;
the 8 pins of the second 1/2IC integrated chip are connected with the 12 pins thereof; the 9 pin of the second 1/2IC integrated chip passes through a resistor R5The control electrode is connected to the control electrode of the power switch tube, and is connected to the GND end of the circuit through a capacitor C4; and pins 7, 10 and 13 of the second 1/2IC integrated chip are all connected to the GND end of the circuit; the 11 pins of the second 1/2IC chip are connected with the 5 pins of the first 1/2IC chip via a resistor R4And is connected with the 4 pins of the first 1/2IC integrated chip.
The utility model discloses a still include night switch indicating circuit in touch electronic switch, still include night switch indicating circuit, it is by resistance RbAnd a light emitting diode D6Are connected in series to form the resistor RbIs connected to the resistor R1And a diode D1At a node of, the light emitting diode D6Is connected to the GND terminal of the circuit. Therefore, the phenomenon of 'twinkling' in the lamp tube under the closed state when the energy-saving lamp is used can be avoided.
In operation, 220V AC power is supplied through diode D1—D4The bridge rectifier is converted into DC voltage and is connected to resistor R1And a diode D5Capacitor C in filter circuit to regulated power supply circuit1Charging, wherein the zener diode Dw is used to limit the voltage to a certain operating voltage value.
When the capacitance C1When the voltage value is not less than 4v, the IC chip unit enters the working stateWhen a person touches a touch contact, the 5 pin of the first 1/2IC integrated chip outputs high level, so that the 9 pin of the second 1/2IC integrated chip outputs high level, the high level is sent to a control electrode of the power tube through a resistor R5, the power tube is conducted, and the lamp is lightened. Although the high level of the 5 pin of the first 1/2IC integrated chip passes through the resistor R4Capacitor C3The voltage of the lamp is kept in a bright state until the bistable circuit is touched for the second time, the 5 pin of the first 1/2IC integrated chip outputs a high level again, the 11 pin of the second 1/2IC integrated chip overturns after receiving the high level, and the 9 pin of the second 1/2IC integrated chip outputs a low level to turn off the lighting lamp.
The utility model is an environment-friendly product with high-efficiency operation, the working efficiency is more than 99.7 percent, and the power consumption of the load is about 5 multiplied by 10 when the product is closed-6W (power consumption of indicator light); and low-power components are used, so that the lighting state can be maintained for more than 10 hours after the touch, and the use in families and office environments can be met.
The above description is only for the preferred embodiment of the present invention, and should not be construed as limiting the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (2)
1. The touch electronic switch comprises a bridge rectifier circuit arranged at an input end, wherein a power switch tube is arranged at an output end of the bridge rectifier circuit, an output end of the power switch tube is connected to a voltage-stabilized power supply circuit, and the voltage-stabilized power supply circuit is composed of a resistor R1Rectifier diode D5A voltage stabilizing diode Dw and a capacitor C1Forming; the circuit is characterized by further comprising a monostable circuit formed by a first 1/2IC integrated chip and a bistable circuit formed by a second 1/2IC integrated chip; wherein,
the first 1/2IC integrated corePin 1 of the chip is connected to the GND end of the circuit, and pin 2 and pin 14 of the first 1/2IC integrated chip are connected to the positive end of the voltage-stabilized power supply circuit together; the 3 pin of the first 1/2IC integrated chip passes through a resistor R2Connected to the touch contacts and passing through respective resistors R3Capacitor C2A GND terminal connected to the circuit; 4-pin pass capacitor C of first 1/2IC integrated chip3A GND terminal connected to the circuit;
the 8 pins of the second 1/2IC integrated chip are connected with the 12 pins thereof; the 9 pin of the second 1/2IC integrated chip passes through a resistor R5Connected to the control electrode of the power switch tube and simultaneously passing through a capacitor C4A GND terminal connected to the circuit; and pins 7, 10 and 13 of the second 1/2IC integrated chip are all connected to the GND end of the circuit; the 11 pins of the second 1/2IC chip are connected with the 5 pins of the first 1/2IC chip via a resistor R4And is connected with the 4 pins of the first 1/2IC integrated chip.
2. The touch-sensitive electronic switch of claim 1, further comprising a night switch indicator circuit formed by a resistor RbAnd a light emitting diode D6Are connected in series to form the resistor RbIs connected to the resistor R1And a diode D1At a node of, the light emitting diode D6Is connected to the GND terminal of the circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420345669.XU CN204068917U (en) | 2014-06-25 | 2014-06-25 | A kind of touching electronic switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420345669.XU CN204068917U (en) | 2014-06-25 | 2014-06-25 | A kind of touching electronic switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204068917U true CN204068917U (en) | 2014-12-31 |
Family
ID=52210357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420345669.XU Expired - Fee Related CN204068917U (en) | 2014-06-25 | 2014-06-25 | A kind of touching electronic switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204068917U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104092456A (en) * | 2014-06-25 | 2014-10-08 | 金坛市龙京光电照明工程有限公司 | Touch type electronic switch |
-
2014
- 2014-06-25 CN CN201420345669.XU patent/CN204068917U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104092456A (en) * | 2014-06-25 | 2014-10-08 | 金坛市龙京光电照明工程有限公司 | Touch type electronic switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 Termination date: 20160625 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |