CN202679738U

CN202679738U - Energy-saving passive electronic time-delay switch

Info

Publication number: CN202679738U
Application number: CN 201220305445
Authority: CN
Inventors: 何林
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-06-27
Filing date: 2012-06-27
Publication date: 2013-01-16
Anticipated expiration: 2022-06-27

Abstract

The utility model discloses an energy-saving passive electronic time-delay switch, which comprises a 220V alternating current power supply, a full-bridge rectification circuit, a load circuit, a time-delay and trigger circuit and a silicon controlled rectifier (SCR) control circuit. A positive pole of a silicon rectification diode D5 in the time-delay and trigger circuit is connected with a circuit positive pole VCC. A negative pole of the silicon rectification diode D5 is connected with one end of a key switch AN. The other end of the key switch AN is connected with the positive pole of an electrolytic capacitor C1. The negative pole of the electrolytic capacitor C1 is connected with a circuit ground GND. An anode of an SCR in the SCR control circuit is connected with the circuit positive pole VCC. A control pole of the SCR is connected with one end of a resistor R1. The other end of the resistor R1 is connected with the positive pole of the electrolytic capacitor C1. A cathode of the SCR is connected with the circuit ground GND. During the installation of the energy-saving passive electronic time-delay switch, the original utility power wiring is not required to be changed. Thus, the interchange of the energy-saving passive electronic time-delay switch and the conventional lighting switch is facilitated. The energy-saving passive electronic time-delay switch is a passive double-end device, and valuable components such as a transformer and a relay can be omitted.

Description

Energy-conservation passive electronic delay switch

Technical field

The utility model belongs to electronic technology and power-saving technique field, relates to a kind of energy-conservation passive electronic delay switch.

Background technology

Integrated package is connected into delay circuit during many employing 555 bases of common lighting delay circuit, then promotes relay adhesive or release control incandescent lamp; Also have a variety ofly to be overlapped to form delay circuit with discrete component, light incandescent lamp by control one-way SCR or bidirectional triode thyristor.

The components and parts that the various finished product ubiquities in market use are many, the circuit more complicated, and then are accompanied by the more high fact of fault rate, also have simultaneously the problems such as cost of manufacture height.

In order to stop the phenomenon of the place altar lamps such as stair, corridor, passageway, reach the purpose of economize on electricity, many energy-saving electronic switchs have appearred on the market, with the mode automatic distinguishing electric light of delaying time and turning off the light.But complicated, trouble that some energy-saving electronic switch is installed makes these energy-saving electronic switchs be difficult to be promoted.Energy-conservation passive electronic delay switch described in the utility model has solved three problems: the one, be convenient to install, and need not change under the condition of the original wiring of civil power, can exchange with existing lighting switch, energy-conservation passive electronic switch is a both-end device; The 2nd, energy-conservation passive electronic switch resistance when turn-offing is infinitely great, and resistance is very little during conducting state, and energy-conservation passive electronic delay switch can be regarded a passive device approx as; The 3rd, avoid using the valuable components and parts such as transformer and relay, make easy, cheap.

It is little that energy-conservation passive electronic delay switch described in the utility model has a volume, can integrated design among 86 type electrical standard panels, be applicable at home or public place various incandescent lightings time-delay control, this time-delay lighting switch has obvious power savings.

Below describe energy-conservation passive electronic delay switch described in the utility model related correlation technique content in implementation process in detail.

The utility model content

Goal of the invention and beneficial effect: in order to stop the phenomenon of the place altar lamps such as stair, corridor, passageway, reach the purpose of economize on electricity, occurred many energy-saving electronic switchs on the market, with the mode automatic distinguishing electric light of delaying time and turning off the light.But complicated, trouble that some energy-saving electronic switch is installed makes these energy-saving electronic switchs be difficult to be promoted use.Energy-conservation passive electronic delay switch described in the utility model has solved following three problems: be convenient to install, need do not change under the condition of the original wiring of civil power, can exchange with existing lighting switch, energy-conservation passive electronic switch is a both-end device; Energy-conservation passive electronic switch resistance when turn-offing is infinitely great, and resistance is very little during on-state, and energy-conservation passive electronic delay switch can be regarded a passive device approx as; Avoid using the valuable components and parts such as transformer and relay, make easy, cheap.Have volume little, can conveniently be integrated among the 86 type electrical standard panels, be applicable at home or public place various incandescent lighting time-delay control.

Circuit working principle: click the key switch AN in the energy-conservation passive electronic delay switch circuit, the 220V alternating current obtains direct current by full bridge rectifier, direct current charges to electrochemical capacitor C1 through silicon rectifier diode D5, when the voltage on the electrochemical capacitor C1 is higher than the control utmost point trigger voltage of unidirectional controllable silicon S CR, the unidirectional controllable silicon S CR conducting that is triggered, incandescent lamp HL is lit.After unclamping key switch AN, the electric charge on the electrochemical capacitor C1 slowly discharges by resistance R 1, keeps unidirectional controllable silicon S CR conducting, until time-delay reaches the scheduled time.According to the component parameters that embodiment gives, incandescent lamp HL lights to hold time and is about 1 minute, when unidirectional controllable silicon S CR conducting control electric current ends when keeping electric current, incandescent lamp HL outage is extinguished.

The circuit of this energy-conservation passive electronic delay switch only has two terminals, is a both-end device, and key switch AN is when off-state, it is infinitely great that resistance is, when key switch AN conducting, the pressure drop at key switch AN two ends only is 1.36% of civil power alternating voltage less than 3V.Therefore, can regard it as a passive device approx.

Technical scheme: energy-conservation passive electronic delay switch, it is comprised of 220V alternating current, full bridge rectifier and load circuit, time-delay and circuits for triggering, one-way SCR control circuit, and its feature comprises:

Full bridge rectifier and load circuit: be connected into full bridge rectifier by 4 silicon rectifier diode D1～D4, one end of full bridge rectifier alternating current input meets the live wire end L of 220V alternating current through incandescent lamp HL, the zero line side N of another termination 220V alternating current of full bridge rectifier alternating current input;

The direct current cathode output end of full bridge rectifier links to each other with circuit anode VCC, and the direct current cathode output end of full bridge rectifier links to each other with circuit ground GND;

Time-delay and circuits for triggering: formed by silicon rectifier diode D5, key switch AN and electrochemical capacitor C1, the anodal VCC of the anodal connection circuit of silicon rectifier diode D5, silicon rectifier diode D5 negative pole connects the end of key switch AN, the positive pole of another termination electrochemical capacitor C1 of key switch AN, the negative pole connection circuit ground GND of electrochemical capacitor C1;

The anodal VCC of the anode connection circuit of one-way SCR control circuit: unidirectional controllable silicon S CR, the end of the control utmost point connecting resistance R1 of unidirectional controllable silicon S CR, the positive pole of another termination electrochemical capacitor C1 of resistance R 1, the negative electrode connection circuit ground GND of unidirectional controllable silicon S CR.

Description of drawings

Accompanying drawing 1 is the embodiment circuit working schematic diagram of energy-conservation passive electronic delay switch.

Embodiment

Circuit working schematic diagram and description of drawings according to energy-conservation passive electronic delay switch shown in the accompanying drawing 1, and according to the annexation between the components and parts in the described each several part circuit of utility model content, and the components and parts technical parameter described in the execution mode requires to implement to realize the utility model.

Components and parts are selected and technical parameter

D1～D5 is silicon rectifier diode in the circuit, and technical parameter is 1A/400V, and selecting model is 1N4004;

SCR selects the one-way SCR of packing forms BTA plastic packaging, and parameter is 1A/400V;

It is that 1W, resistance are 300K Ω that resistance R 1 is selected RJ type metal film, power;

AN is key switch, selects key switch open in usual;

The parameter of electrochemical capacitor C1 is 10 μ F/300V;

HL is incandescent lamp, and the power≤60W, the alternating voltage that require incandescent lamp to select are 220V.

Circuit production main points and circuit debugging method

Require the electronic devices and components performance selected in the energy-conservation passive electronic delay switch circuit intact, and the annexation of components and parts is welded in the accompanying drawing 1 to specifications, after physical connection line and welding quality were errorless through careful inspection, circuit did not need debugging to work substantially;

In circuit debugging, if after clicking key switch AN, incandescent lamp HL can not be lit, and should suitably reduce the resistance of resistance R 1;

The length of delay time determines by the numerical value of electrochemical capacitor C1 or resistance R 1, and electrochemical capacitor C1, resistance R 1 numerical value are larger, and the time of time-delay is just longer; Make according to the component parameter that embodiment recommends, the time that incandescent lamp HL lights is about 55～60 seconds.

Claims

1. energy-conservation passive electronic delay switch, it is comprised of 220V alternating current, full bridge rectifier and load circuit, time-delay and circuits for triggering, one-way SCR control circuit, and its feature comprises:

Full bridge rectifier and load circuit are connected into full bridge rectifier by 4 silicon rectifier diode D1～D4, one end of full bridge rectifier alternating current input meets the live wire end L of 220V alternating current through incandescent lamp HL, the zero line side N of another termination 220V alternating current of full bridge rectifier alternating current input;

Time-delay and circuits for triggering are comprised of silicon rectifier diode D5, key switch AN and electrochemical capacitor C1, the anodal VCC of the anodal connection circuit of silicon rectifier diode D5, silicon rectifier diode D5 negative pole connects the end of key switch AN, the positive pole of another termination electrochemical capacitor C1 of key switch AN, the negative pole connection circuit ground GND of electrochemical capacitor C1;

The anodal VCC of the anode connection circuit of unidirectional controllable silicon S CR in the one-way SCR control circuit, the end of the control utmost point connecting resistance R1 of unidirectional controllable silicon S CR, the positive pole of another termination electrochemical capacitor C1 of resistance R 1, the negative electrode connection circuit ground GND of unidirectional controllable silicon S CR.