CN201409123Y - Touch control self-extinguishing switch - Google Patents
Touch control self-extinguishing switch Download PDFInfo
- Publication number
- CN201409123Y CN201409123Y CN2009201318020U CN200920131802U CN201409123Y CN 201409123 Y CN201409123 Y CN 201409123Y CN 2009201318020 U CN2009201318020 U CN 2009201318020U CN 200920131802 U CN200920131802 U CN 200920131802U CN 201409123 Y CN201409123 Y CN 201409123Y
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- circuit
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- power supply
- switch
- output circuit
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Abstract
The utility model provides a touch control self-extinguishing switch comprising stainless steel electrodes, a time delayer switch control circuit and an AC control output circuit as well as a rectification power supply circuit and a switching power supply circuit, wherein, the AC control output circuit adopts a switch transistor control output circuit comprising a switch transistor and a relay, inwhich whether the coil thereof gains or loses electricity depends on the switch transistor, the rectification power supply circuit and the switch power supply circuit serve to offer DC power supply to the time delay switch control circuit and the AC control output circuit when the relay coil gains and loses electricity, a series connected circuit branch consisting of a dual-phase controllable silicon and a current-limiting resistor is arranged between the input end and the output end of the commercial power live wire, the control electrode of the dual-phase controllable silicon is connected with the input end of the commercial power live wire through a voltage stabilizing diode, and the other normally open contact of the relay is connected with the input end of the commercial power live wire through the dual-phase controllable silicon. With the advantages of long service life and convenient installation, the utility model can constantly supply power in a mandatory-cut-off manner in case of emergency where an emergency power supply plays a necessary role than the commercial power live wire. The standby power consumption is measured by microampere.
Description
Technical field
The utility model relates to switch, especially relates to a kind of touch control self-extinguishing switch.
Background technology
Soft-touch control is a powered lighting during by the human body touch switch electrode, outage automatically after postponing setting-up time during the illumination.Existing soft-touch control adopts single-phase silicon-controlled control and relay control switch mostly, because the civil power of common switch exchanges live wire, under the fire-fighting emergent state, can not guarantee normal power supply, and single live wire type switch can not be controlled electricity-saving lamp, still powers and there is the emergent switch of lighting loading functional to require when emergent civil power to exchange live wire.In addition, need to be provided with civil power zero line input in the relay control switch, increased wiring cost.
Summary of the invention
Technical problem to be solved in the utility model is to remedy the defective that above-mentioned prior art exists, and a kind of improved touch control self-extinguishing switch is provided.
Technical problem of the present utility model is solved by the following technical programs.
This touch control self-extinguishing switch comprises stainless steel electrode, time-delay switch control circuit and alternating current controlling output circuit that cascade connects, and the rectification power circuit that is connected respectively with time-delay switch control circuit, alternating current controlling output circuit.
Described alternating current controlling output circuit is the switching transistor controlling output circuit, comprises that switching transistor, its coil get the relay that dead electricity is controlled by switching transistor.
The common of described relay is connected with civil power live wire output, one normally-closed contact is connected with emergency power supply phase line input, described relay coil get electric during, described rectification power circuit provides DC power supply for described time-delay switch control circuit, alternating current controlling output circuit.
The characteristics of this touch control self-extinguishing switch are:
Also be provided with the switching power circuit that is connected respectively with delay switch circuit, alternating current controlling output circuit, during described relay coil dead electricity, described switching power circuit provides DC power supply for described time-delay switch control circuit, alternating current controlling output circuit.
Between civil power live wire input and civil power live wire output, be provided with the series arm of forming by two-phase controllable silicon and current-limiting resistance, the described two-phase silicon controlled control utmost point is connected with civil power live wire input by voltage stabilizing didoe, and another normally opened contact of described relay is connected with civil power live wire input by the two-phase controllable silicon.
Technical problem of the present utility model is solved by following further technical scheme.
Described switching power circuit is a single tube auto-excitation type wide-voltage switch power circuit.
The beneficial effect that the utility model is compared with the prior art is:
The utility model life-span is long, easy for installation, even as long as and under emergency rating, have emergency power supply not have the input of civil power live wire, the also emergent uninterrupted power supply of cut type by force, this switch power consumption is a microampere order during standby, can be when connecting the standby of civil power live wire input be the electricity-saving lamp power supply of microampere order to power consumption.The utility model does not have civil power zero line input, can save wiring cost, improves the security reliability of circuit.
Description of drawings
Fig. 1 is the circuit block diagram of the utility model embodiment;
Fig. 2 is the circuit theory diagrams of the utility model embodiment.
Embodiment
The human body touch self-extinguishing switch that is used to control 220 volts of AC electric appliance as shown in Figure 1, 2, the rectification power circuit 3 that comprises stainless steel electrode 5 that cascade connects, alternating current controlling output circuit 2, is connected respectively with delay switch circuit 4, alternating current controlling output circuit 2, and the single tube auto-excitation type wide-voltage switch power circuit 1 that is connected respectively with time-delay switch control circuit 4, alternating current controlling output circuit 2.Be provided with the series arm of being made up of two-phase controllable silicon T1 and current-limiting resistance R11 between civil power live wire input L and civil power live wire output L1, the control utmost point of two-phase controllable silicon T1 is connected with civil power live wire input L by voltage stabilizing didoe D14, D5.
Alternating current controlling output circuit 2 is switching transistor controlling output circuit, comprise that switching transistor Q1, its coil get the relay J 1 that dead electricity is controlled by switching transistor Q1, the common of relay J 1 is connected with civil power live wire output L1, one normally-closed contact is connected with emergency power supply phase line input A, another normally opened contact is connected with civil power live wire input L by two-phase controllable silicon T1, and the control end of two-phase controllable silicon T1 also is connected with civil power live wire input L by voltage stabilizing didoe D4, D5.
The bridge rectification power circuit that rectification power circuit 3 is made up of rectifier bridge heap BR1, voltage stabilizing didoe D1, filter capacitor C2, C4, relay J 1 coil get electric during, rectification power circuit 3 provides DC power supply for time-delay switch control circuit 4, alternating current controlling output circuit 2.
Single tube auto-excitation type wide-voltage switch power circuit 1 comprises coupling capacitance C5, rectifier bridge heap BR2, high frequency transformer T, HF switch pipe VT1, starting resistance R10, self-excitation capacitance C6, emitter resistance R12, capacitor C 7, rectifier diode D3, power supply indication LED and current-limiting resistance R3.During relay J 1 coil losing electricity, L piles BR2 through rectifier bridge by the electric main live wire, direct voltage about the 300V of coupling capacitance C5 output, the one tunnel elementary winding through high frequency transformer T directly is added to HF switch pipe VT1 collector electrode, another road is added to HF switch pipe VT1 base stage through starting resistance R10, at self-excitation capacitance C6, under the acting in conjunction of high frequency transformer T, HF switch pipe VT1 self-excitation work, the secondary output voltage of high frequency transformer T after rectifier diode D3 rectification one the tunnel through filter capacitor C4, C2, voltage-stabiliser tube D1 provides DC power supply for time-delay switch control circuit 4, another road is included as relay J 1 coil power supply for alternating current controlling output circuit 2 provides DC power supply.
The circuit working process of this embodiment is as follows:
When the human body touch self-extinguishing switch of this embodiment is connected civil power live wire input L standby, two-phase controllable silicon T1 conducting immediately, civil power live wire input L is connected with civil power live wire output L1 by current-limiting resistance R11, connects to form the closed-loop path by load and civil power zero line.And during relay J 1 coil losing electricity, civil power live wire input L also is connected with civil power live wire output L1 by bridge heap BR2, decompression capacitor C5, connects to form the closed-loop path by load and civil power zero line.Rectifier bridge heap BR2 both positive and negative polarity output high voltage source provides DC power supply through single tube auto-excitation type wide-voltage switch power circuit 1 for time-delay switch control circuit 4, alternating current controlling output circuit 2 and indication LED lamp, and the indication LED lamp is bright.
When the human body touch stainless steel electrode, the storage capacitor C1 charging of time-delay switch control circuit 4 is given in switching transistor Q4 conducting, transistor Q2 base potential rising conducting, transistor Q2 collector potential becomes low level, makes transistor Q3 end, and transistor Q3 collector potential becomes high level, switching transistor Q1 conducting, relay J 1 coil gets electric, its normally opened contact closure, and normally-closed contact disconnects.
Civil power is through civil power live wire input L, bidirectional triode thyristor T1, the normally opened contact of relay J 1, civil power live wire output L1 powering load, and the rectifier bridge heap BR2 no-voltage output of single tube auto-excitation type wide-voltage switch power circuit 1 at this moment, be that single tube auto-excitation type wide-voltage switch power circuit 1 quits work, the indication LED lamp goes out, and civil power produces pressure drop through bidirectional triode thyristor T1 and provides DC power supply through rectification power circuit 3 for time-delay switch control circuit 4, alternating current controlling output circuit 2 at the T1 two ends.
After the voltage of the storage capacitor C1 of time-delay switch control circuit 4 is discharged to the time of delay of setting through resistance R 6, transistor Q2 base potential drops to transistor Q2 and ends, transistor Q2 collector potential becomes high level, make transistor Q3 conducting, transistor Q3 collector potential becomes low level, switching transistor Q1 ends, relay J 1 coil losing electricity, and the contact resets.Be returned to original holding state, the load of the human body touch self-extinguishing switch of this embodiment is cut off the power supply automatically.
Under the fire-fighting emergent state, need only emergency power supply phase line input A and be connected with emergency power supply, even there is not the civil power input, emergency power supply phase line input A is connected with civil power live wire output L1 by the normally-closed contact of relay J 1, to the emergent uninterrupted power supply of the strong cut type of load of this acousto-optic control self-extinguishing switch.
Above content be in conjunction with concrete preferred implementation to further describing that the utility model is done, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field; under the prerequisite that does not break away from the utility model design, make some alternative or obvious modification that are equal to; and performance or purposes are identical, all should be considered as belonging to the scope of patent protection that the utility model is determined by claims of being submitted to.
Claims (2)
1. one kind touches the control self-extinguishing switch, comprise the stainless steel electrode that cascade connects, time-delay switch control circuit and alternating current controlling output circuit, and and time-delay switch control circuit, the rectification power circuit that the alternating current controlling output circuit connects respectively, described alternating current controlling output circuit is the switching transistor controlling output circuit, comprise switching transistor, its coil gets the relay that dead electricity is controlled by switching transistor, the common of described relay is connected with civil power live wire output, one normally-closed contact is connected with emergency power supply phase line input, described relay coil get electric during, described rectification power circuit is described time-delay switch control circuit, the alternating current controlling output circuit provides DC power supply, it is characterized in that:
Also be provided with the switching power circuit that is connected respectively with delay switch circuit, alternating current controlling output circuit, during described relay coil dead electricity, described switching power circuit provides DC power supply for described time-delay switch control circuit, alternating current controlling output circuit;
Between civil power live wire input and civil power live wire output, be provided with the series arm of forming by two-phase controllable silicon and current-limiting resistance, the described two-phase silicon controlled control utmost point is connected with civil power live wire input by voltage stabilizing didoe, and another normally opened contact of described relay is connected with civil power live wire input by the two-phase controllable silicon.
2. touch control self-extinguishing switch according to claim 1 is characterized in that:
Described switching power circuit is a single tube auto-excitation type wide-voltage switch power circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201318020U CN201409123Y (en) | 2009-05-12 | 2009-05-12 | Touch control self-extinguishing switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201318020U CN201409123Y (en) | 2009-05-12 | 2009-05-12 | Touch control self-extinguishing switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201409123Y true CN201409123Y (en) | 2010-02-17 |
Family
ID=41680069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201318020U Expired - Fee Related CN201409123Y (en) | 2009-05-12 | 2009-05-12 | Touch control self-extinguishing switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201409123Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104582184A (en) * | 2015-01-07 | 2015-04-29 | 刘胜泉 | LED lamp induction control circuit |
| CN105050258A (en) * | 2015-07-07 | 2015-11-11 | 温州市汇谷科技有限公司 | Single-live line time delay switch with fire protection forced startup function |
-
2009
- 2009-05-12 CN CN2009201318020U patent/CN201409123Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104582184A (en) * | 2015-01-07 | 2015-04-29 | 刘胜泉 | LED lamp induction control circuit |
| CN105050258A (en) * | 2015-07-07 | 2015-11-11 | 温州市汇谷科技有限公司 | Single-live line time delay switch with fire protection forced startup function |
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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: 20100217 Termination date: 20170512 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |