CN2242546Y - Composition type electronic time-delay switch - Google Patents
Composition type electronic time-delay switch Download PDFInfo
- Publication number
- CN2242546Y CN2242546Y CN 94226891 CN94226891U CN2242546Y CN 2242546 Y CN2242546 Y CN 2242546Y CN 94226891 CN94226891 CN 94226891 CN 94226891 U CN94226891 U CN 94226891U CN 2242546 Y CN2242546 Y CN 2242546Y
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- CN
- China
- Prior art keywords
- delay
- switch
- time
- circuit
- control circuit
- Prior art date
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- Expired - Fee Related
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Abstract
The utility model discloses a composition type electronic time-delay switch. The utility model is especially suitable for being used as not only a power supply switch of a lighting lamp in stairs, corridors and public places including rooms, halls and hallways but also a switch of other kinds of electric appliances. The utility model is characterized in that the application of the time-delay switch or the non-time delay switch can be arbitrarily selected. A time-delay control circuit which is composed of an NPN type triode, C1 and K2 is used for controlling the on-off of a one-way silicon controlled rectifier SCR so that the function of time-delay automatic turn-off can be realized. Crystal diodes D1, D2 are arranged between a switch K1 and D (a lamp) in the manner of series connection so as to realize the functions of a common switch (which is not of time-delay). The composition type electronic time-delay switch has the advantages of strong versatility, wide purposes, energy saving, and practicality.
Description
The utility model relates to a kind of device of mains switch, can realize that especially time-delay or non-time-delay are multi-functional, multiduty composite power supply switch.
Present known mains switch has regular tap (non-time-delay) and the delay switch of delay function, the report that does not still have two kinds of functions to be compound in one is arranged.
Prior art CN2076728U utility model multifunction electronic delay switch for example, though the delay function of several modes is arranged, but still the single delay switch class of the function of dominant.From its three width of cloth electrical schematic diagram, all belong to the time delayed turn-off category, its compound mode is many and cause and use the trouble complexity to be difficult to apply.
The purpose of this utility model is at the problems referred to above, and a kind of compound electronic time-delay switch is provided, and it is to integrate time-delay and non-delay switch two big functions, can select the Switch of time-delay or non-time-delay according to actual needs arbitrarily for use.This is novel switched, and is flexible and convenient to use, and energy-conservation practicality is convenient to promote.
The technical solution of the utility model is to utilize common electronics discrete component, adopts a kind of circuit connecting mode of novelty to realize.Concrete scheme is the trigger control circuit that switch element is formed SCR (controllable silicon) by triode BG1 mainly.The delay control circuit of forming BG1 by D3, C1 and button K2.Connect with K switch 1 by D1, D2 diode group and to constitute non-delay switch circuit and constitute power display circuit by R3 and light-emitting diode D4 and form.
Be connected to civil power 220V mutually after seeing accompanying drawing 1 load (bulb) D and diode group D1, D2 and K switch 1 being connected, zero two ends, then lamp D is bright when K1 opens (combined floodgate), lamp D goes out when K1 turn-offs then, this is the regular tap circuit of non-time-delay, can prolong bulb service life thereby D1, D2 are impulse currents when closing a floodgate for buffering K1.
When K1 is off state, alternating current 220V 50HZ civil power becomes direct current through rectifier bridge ZL and is added on the controllable silicon SCR both positive and negative polarity, and the SCR control utmost point connects on the current collection collection of NPN triode BG1, and R1 is a current-limiting resistance, R2, C1 are the resistance capacitance of delay circuit, and D3 is the back discharge that is used to stop C1.
Accompanying drawing 1 its operation principle is when K2 is closed, capacitor C 1 discharge, and the base stage of BG1 connects capacitor C 1 through D3, and then BG1 conducting also is the SCR saturation conduction, and controllable silicon SCR realizes open function, and then lamp D is bright.When K2 disconnected, because C1 charges by R2, this charging had individual time course (be decided by the size of the resistance of R2 and C1 capacity and decide).In the C1 charging process, the BG1 base voltage continues to keep still conducting of low-voltage BG1, and SCR is conducting still, so lamp D is still bright.When C1 through after a while be charged to certain voltage the time BG1 end because of no base stage Control current, lamp D goes out also to make SCR end then, has finished the time delayed turn-off function of switch.
The utility model compared with prior art its advantage is to have time-delay and the switching device that is compound in one of non-delay function, and the function of significant prolongation bulb service life is arranged.Though integrate three big functions, circuit element is few, the reliability height is simple in structure, easy to install, has a extensive future.From social benefit, obvious energy-saving effect is arranged, and cost is low, be easy to popularize.
Be described further below in conjunction with the relevant partly configuration of components and parts in the drawings and Examples.
Accompanying drawing 1 is an electrical schematic diagram of the present utility model.
Accompanying drawing 2 is panel schematic diagrames that the utility model is installed on 86 type power panels.
The D1 that connects with K1 in Fig. 1, D2 two these utmost point pipes can be selected withstand voltage crystal diode greater than 400V for use.Rectifier bridge ZL can form with commercially available bridge heap or by discrete crystal diode, and R1 is that its resistance of current-limiting resistance should be enough big.The delay circuit of being made up of R2 and C1 can obtain different delay times by changing different resistances with capacity.C1 selects the also available capacitor that other is suitable for of common dielectric capacitance for use, and it is enough big that its capacity is wanted.K1 is multi-form regular tap, and K2 is multi-form reset key switch.
Accompanying drawing 2 only is that one of the utility model embodiment of being used for 86 type power panels is the panel schematic diagram.Also can be installed on the power panel of other model, its panel arrangement can be in a variety of forms but is prerequisite with both artistic and practical.
Claims (5)
1: the utility model is a kind of electric switch type device, has time-delay or non-delay switch function, by the controllable silicon trigger control circuit, and delay control circuit, non-delay switch circuit, power display circuit is formed, and it is characterized in that:
(1) be that switch element is formed the SCR trigger control circuit by NPN type triode BG1,
(2) by D
3, C
1With button K
2Form BG
1Delay control circuit,
(3) by D
1, D
2Transistor group and K switch
1The non-delay switch circuit that is composed in series,
(4) by current-limiting resistance R
3With light-emitting diode D
4The power display circuit that is composed in series.
2:, it is characterized in that BG according to the described device of claim 1
1Collector electrode and the control utmost point of SCR join, by to BG
1The control of base current realizes the conducting of SCR or ends.
3:, it is characterized in that by D according to the described device of claim 1
3, C
1With button K
2Form delay control circuit and BG
1Base stage join, pass through C
1Charge and discharge control BG
1The size of base current and determine BG
1Conducting and end.
4:, it is characterized in that load D and D according to the described device of claim 1
1, D
2Transistor and K switch
1The Hou that is in series is parallel to civil power 220V power supply phase, and non-delay switch circuit is formed at zero two ends.
5:, it is characterized in that by R according to the described device of claim 1
3With light-emitting diode D
4Power display circuit is formed at the positive and negative two ends that are parallel to rectification circuit after the serial connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94226891 CN2242546Y (en) | 1994-03-07 | 1994-03-07 | Composition type electronic time-delay switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94226891 CN2242546Y (en) | 1994-03-07 | 1994-03-07 | Composition type electronic time-delay switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2242546Y true CN2242546Y (en) | 1996-12-11 |
Family
ID=33839746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94226891 Expired - Fee Related CN2242546Y (en) | 1994-03-07 | 1994-03-07 | Composition type electronic time-delay switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2242546Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109156067A (en) * | 2017-11-16 | 2019-01-04 | 深圳英麦吉科技有限公司 | Lighting switch |
-
1994
- 1994-03-07 CN CN 94226891 patent/CN2242546Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109156067A (en) * | 2017-11-16 | 2019-01-04 | 深圳英麦吉科技有限公司 | Lighting switch |
| CN109156067B (en) * | 2017-11-16 | 2020-06-19 | 深圳英麦吉科技有限公司 | Lighting switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |