CN201298837Y - Acousto-optic controlled self-extinguishing switch - Google Patents
Acousto-optic controlled self-extinguishing switch Download PDFInfo
- Publication number
- CN201298837Y CN201298837Y CNU2008202138410U CN200820213841U CN201298837Y CN 201298837 Y CN201298837 Y CN 201298837Y CN U2008202138410 U CNU2008202138410 U CN U2008202138410U CN 200820213841 U CN200820213841 U CN 200820213841U CN 201298837 Y CN201298837 Y CN 201298837Y
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- circuit
- switch
- power
- live wire
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Abstract
The utility model relates to an acousto-optic controlled self-extinguishing switch comprising a sensor circuit, a time delay switch integrated circuit, an AC electric control output circuit, a rectifying power circuit, and a switch power circuit. The switch power circuit provides DC electric power for the sensor circuit and the time delay switch integrated circuit during switch shut-off period of the switch power circuit; the AC electric control output circuit is a switching transistor controlled output circuit, with public contact of the controlled relay connected with the output terminal of the city electricity firewire. A permanent closed contact is connected with an emergency electric power phase line outputting terminal. A series connection branch comprising a dual phase controllable silicone and a current limiting resistor is provided between the input and the output terminal of the city electricity firewire. The control pole of the dual phase controllable silicone is steadily connected to the city electricity firewire through a voltage stabilizing diode. And another permanent open contact is connected to the input terminal of the city electricity firewire through the city electricity controllable silicone. The switch is long in life, convenient for installation, capable of forced switching emergency uninterrupted power supply even without city electricity input only with emergency electric power under emergency state, with energy consumption at microampere stage while standby.
Description
Technical field
The utility model relates to switch, especially relates to a kind of acousto-optic control self-extinguishing switch.
Background technology
Sonic-opticalcon trolled switch is a powered lighting during by acquisition environment noise or ambient light illumination, during the illumination as no sizable environmental noise or great ambient light illumination, cuts off the power supply automatically after postponing setting-up time.Existing sonic-opticalcon trolled switch adopts single-phase silicon-controlled control relay 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 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 acousto-optic control self-extinguishing switch is provided.
Technical problem of the present utility model is solved by the following technical programs.
This acousto-optic control self-extinguishing switch, comprise the photosensitive combined sensor circuit of pick-up, delay switch integrated circuit and alternating current controlling output circuit that cascade connects, and the rectification power circuit that is connected respectively with delay switch integrated circuit, alternating current controlling output circuit, described alternating current controlling output circuit is the switching transistor controlling output circuit, comprise 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, and a normally-closed contact is connected with emergency power supply phase line input.
The characteristics of this acousto-optic control self-extinguishing switch are:
Also be provided with the switching power circuit that is connected respectively with the photosensitive combined sensor circuit of pick-up, delay switch integrated circuit, alternating current controlling output circuit, described switching power circuit is switch provides DC power supply for the photosensitive combined sensor circuit of pick-up, delay switch integrated circuit between the off period a switching power 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 two-phase silicon controlled cathode and anode.
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, can also be when connecting the standby of civil power live wire input be the electricity-saving lamp power supply of microampere order to power consumption.This switch power consumption is a microampere order during the utility model standby, and 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 acousto-optic control self-extinguishing switch that is used to control 220 volts of AC electric appliance as shown in Figure 1, 2, comprise the photosensitive pick-up combined sensor of 5537 types circuit 1,74HC00 type delay switch integrated circuit 4 (U1) and alternating current controlling output circuit 2 that cascade connects, and the rectification power circuit 3, the single tube auto-excitation type wide-voltage switch power circuit 1 that are connected respectively with delay switch integrated circuit 4, alternating current controlling output circuit 2.Single tube auto-excitation type wide-voltage switch power circuit 1 is that switch is the switching power circuit that the photosensitive pick-up combined sensor of 5537 types circuit 1,74HC00 type delay switch integrated circuit 4 (U1) provide DC power supply between the off period.The photosensitive pick-up combined sensor of 5537 types circuit 1 comprises Electret condenser microphone M1 and 5537 type photo resistance CDS.
Be provided with the series arm of being made up of two-phase controllable silicon T1 and current-limiting resistance R8 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 D10, D11.
Single tube auto-excitation type wide-voltage switch power circuit 1 comprises coupling capacitance C12, rectifier bridge heap BR2, high frequency transformer L1, HF switch pipe VT1, starting resistance R10, self-excitation capacitance C8, emitter resistance R9, capacitor C 10, rectifier diode D3, D4 and filter capacitor C4, C7.Control self-extinguishing switch between the off period at this acousto-optic, during being relay J 1 coil losing electricity, by the electric main live wire through coupling capacitance C12, direct voltage about the 300V of rectifier bridge heap BR2 output, the one tunnel elementary winding through high frequency transformer L1 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 C8, under the acting in conjunction of high frequency transformer L1, HF switch pipe VT1 self-excitation work, the secondary output voltage one tunnel of high frequency transformer L1 is given relay J 1 coil power supply of alternating current controlling output circuit 2 through rectifier diode D3, and one the tunnel through rectifier diode D4, filter capacitor C4, C7, the direct voltage that coupling resistance R2 obtains is given the photosensitive pick-up combined sensor 1 of 5537 types, 74HC00 type delay switch integrated circuit 4 (U1) provide DC power supply.In this acousto-optic control self-extinguishing switch conduction period, be relay J 1 coil get electric during, the rectifier bridge of single tube auto-excitation type wide-voltage switch power circuit 1 heap BR2 by relay J 1 by the normally opened contact short circuit of adhesive, single tube auto-excitation type wide-voltage switch power circuit 1 quits work.
Alternating current controlling output circuit 2 is switching transistor controlling output circuit, comprise that switching transistor Q2, its coil get the relay J 1 that dead electricity is controlled by switching transistor Q2, 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 that phase line input L is connected by the cathode and anode of two-phase controllable silicon T1 with the civil power live wire, and the control end of two-phase controllable silicon T1 is that phase line input L is connected with the civil power live wire also by voltage stabilizing didoe D10, D11.When this acousto-optic control self-extinguishing switch 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 R18, is the electricity-saving lamp power supply of 60 microampere orders to power consumption.
The bridge rectification power circuit that rectification power circuit 3 is made up of rectifier bridge heap BR1, voltage stabilizing didoe D1, filter capacitor C5, C9, the photosensitive pick-up combined sensor 1 of switching transistor Q2,5537 types, 74HC00 type delay switch integrated circuit 4 (U1) that are respectively alternating current controlling output circuit 2 provide DC power supply.And in this acousto-optic control self-extinguishing switch conduction period, during to be that relay J 1 coil gets electric, single tube auto-excitation type wide-voltage switch power circuit 1 quits work, be that the photosensitive pick-up combined sensor 1 of 5537 types, 74HC00 type delay switch integrated circuit 4 (U1) continue to provide DC power supply, through 74HC00 type delay switch integrated circuit 4 (U1) no-output after the time of delay of setting, relay J 1 coil losing electricity is got back to holding state.
When ambient light illumination died down to the 7Lux left and right sides, it is big that photo resistance CDS resistance becomes, and the level of delay switch integrated circuit 4 connecting pins is uprised; Or environmental noise is when strengthening, Electret condenser microphone M1 receives the positive pulse signal of telecommunication process coupling capacitance C1 coupling that environmental noise is changed, make switch triode Q1 be in the saturation conduction state, when the coupling capacitance C1 coupling negative pulse signal of telecommunication, switch triode Q1 ends rapidly, its current collection is high level very, detect the switching transistor Q2 conducting of amplifying back control alternating current controlling output circuit 2 through delay switch integrated circuit 4, relay J 1 is got, its normally opened contact adhesive, civil power live wire input L is connected with civil power live wire output L1 by the normally opened contact of this adhesive, electric to this acousto-optic control self-extinguishing switch, ambient light illumination or noise such as no change during this time, switching transistor Q2 in delay adjustments delay switch integrated circuit 4 control alternating current controlling output circuit 2 after the time ends, make relay J 1 dead electricity, the load of this acousto-optic control self-extinguishing switch 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 ambient light illumination does not die down to the 7Lux, environmental noise does not strengthen or do not have 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. an acousto-optic is controlled self-extinguishing switch,
Comprise the photosensitive combined sensor circuit of pick-up, delay switch integrated circuit and alternating current controlling output circuit that cascade connects, and the rectification power circuit that is connected respectively with delay switch integrated 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, and a normally-closed contact is connected with emergency power supply phase line input,
It is characterized in that:
Also be provided with the switching power circuit that is connected respectively with the photosensitive combined sensor circuit of pick-up, delay switch integrated circuit, alternating current controlling output circuit, described switching power circuit is switch provides DC power supply for the photosensitive combined sensor circuit of pick-up, delay switch integrated circuit between the off period a switching power 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 two-phase silicon controlled cathode and anode.
2. acousto-optic 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 |
|---|---|---|---|
| CNU2008202138410U CN201298837Y (en) | 2008-11-21 | 2008-11-21 | Acousto-optic controlled self-extinguishing switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202138410U CN201298837Y (en) | 2008-11-21 | 2008-11-21 | Acousto-optic controlled self-extinguishing switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201298837Y true CN201298837Y (en) | 2009-08-26 |
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ID=41044824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202138410U Expired - Fee Related CN201298837Y (en) | 2008-11-21 | 2008-11-21 | Acousto-optic controlled self-extinguishing switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201298837Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102761324A (en) * | 2012-07-24 | 2012-10-31 | 惠州祺瑞电工有限公司 | Electric delay switch |
| CN107608240A (en) * | 2017-08-29 | 2018-01-19 | 苏州麦喆思科电子有限公司 | A kind of method for eliminating night construction noise |
-
2008
- 2008-11-21 CN CNU2008202138410U patent/CN201298837Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102761324A (en) * | 2012-07-24 | 2012-10-31 | 惠州祺瑞电工有限公司 | Electric delay switch |
| CN102761324B (en) * | 2012-07-24 | 2015-04-08 | 惠州祺瑞电工有限公司 | Electric delay switch |
| CN107608240A (en) * | 2017-08-29 | 2018-01-19 | 苏州麦喆思科电子有限公司 | A kind of method for eliminating night construction noise |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090826 Termination date: 20131121 |