CN2752933Y - Adjustable time-delayed long time-delay button switch - Google Patents
Adjustable time-delayed long time-delay button switch Download PDFInfo
- Publication number
- CN2752933Y CN2752933Y CN 200420057297 CN200420057297U CN2752933Y CN 2752933 Y CN2752933 Y CN 2752933Y CN 200420057297 CN200420057297 CN 200420057297 CN 200420057297 U CN200420057297 U CN 200420057297U CN 2752933 Y CN2752933 Y CN 2752933Y
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- circuit
- delay
- button switch
- push
- control circuit
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- Expired - Fee Related
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Abstract
The utility model relates to a long time delay button switch with an adjustable delay time, which relates to a low-voltage switch and provides a time delay button switch of which the delay time is long and adjustable. The utility model comprises a panel, a base, a button switch, and a time delay control circuit, wherein a rectifying circuit, a voltage stabilizing circuit, a time delay circuit and a control circuit are arranged on the time delay control circuit. The input end of the rectifying circuit is connected with the button switch and a load; the input end of the voltage stabilizing circuit is connected with the output end of the rectifying circuit; the input end of the time delay circuit is connected with the output end of the voltage stabilizing circuit; the input end of the control circuit is connected with the output end of the time delay circuit; a normally open contact of an electromagnetic relay of the control circuit is connected with the button switch. The utility model adopts the principles of load voltage reduction and electromagnetic relay control, and has stable voltage and long and freely adjusted delay time; the delay time can be from scores of seconds to scores of minutes or even to a couple of hours according to different circuit designs, and the delay time can be usually designed from one to twenty-five minutes. In addition, the load is not electrified before the load works, so the maintenance of the load is convenient and safe.
Description
Technical field
The utility model relates to a kind of low tension switch, the long and adjustable push-button switch of especially a kind of delay time.
Background technology
Low pressure time-delay push-button switch is widely used in generally including panel (or adding trim), pedestal or components and parts lid, button and control circuit in the building such as apartment building, and control circuit board is located on the pedestal, and button is located on the panel.
Behind the most of employing of the existing time-delay push-button switch diode rectification, control the controllable silicon conducting by discharging and recharging of Resistor-Capacitor Unit.Be characterized in that circuit is succinct, but delay time is shorter, generally can delays time about 2 minutes.Existing touch delay switch generally adopts capacitance decompression, power supply is provided for behind rectifying and voltage-stabilizing the monostable digital circuit, by human body touch, makes the upset of monostable digital circuit, the conducting of control controllable silicon.Be characterized in that circuit is succinct, easy to use, but delay time is also shorter.
More than two kinds of circuit because after the controllable silicon conducting, the voltage that offers circuits for triggering has only the silicon controlled conducting voltage, so delay time is shorter.In addition, no matter whether load works, load is all charged, makes troubles when giving the maintenance load.
Summary of the invention
The utility model aims to provide the long and adjustable time-delay push-button switch of a kind of delay time.
The technical solution adopted in the utility model is that the composition to delay control circuit improves on existing low pressure push-button switch structure for this reason.
The utility model comprises panel (or adding trim), pedestal (or components and parts lid, or control circuit lid, or the components and parts seat etc.), push-button switch and delay control circuit, pedestal is located at the back side of panel, push-button switch is located on the panel, as set up trim, trim can be located on the panel, the delay control circuit plate is located on the pedestal, said delay control circuit is provided with rectification circuit, voltage stabilizing circuit, delay circuit and control circuit, the input of rectification circuit connects push-button switch and load respectively, the output of the input termination rectification circuit of voltage stabilizing circuit, the output of the input termination voltage stabilizing circuit of delay circuit, the output of the input termination delay circuit of control circuit, the normally opened contact two ends of the electromagnetic relay of control circuit and push-button switch also connect, and establish the hole or the window that are used to regulate delay time on panel or pedestal.
Because the utility model adopts the principle of load step-down and electromagnetic relay control, therefore the voltage of control circuit is stable, delay time is long, but and regulated at will, difference according to circuit design, delay time can from tens seconds to dozens of minutes, even more than several hours, can be designed to usually in 1 to 25 minute.In addition, circuit is before loaded work piece, and load is not charged, and is convenient and safe when therefore keeping in repair load.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is that the delay control circuit of the utility model embodiment is formed block diagram.
Fig. 4 is the delay control circuit theory of constitution figure of the utility model embodiment.
Embodiment
Shown in Fig. 1~4, the utility model embodiment adopts the low pressure delay switch of 85mm * 85mm model, be provided with panel 1, pedestal 2, push-button switch 3 and delay control circuit, pedestal 2 is located at the back side of panel 1, push-button switch 3 is located on the panel 1, as set up trim, trim can be located on the panel.Delay control circuit plate 4 is located on the pedestal 2, said delay control circuit is provided with rectification circuit D, voltage stabilizing circuit H, delay circuit P and control circuit T, the input of rectification circuit D meets push-button switch 3 and load L respectively, the output of the input termination rectification circuit D of voltage stabilizing circuit H, the output of the input termination voltage stabilizing circuit H of delay circuit P, the output of the input termination delay circuit P of control circuit T, the normally opened contact J1 of the electromagnetic relay J of control circuit T connects push-button switch 3, binding post 5 is located on the pedestal 2, establishes time-delay at the back side of pedestal 2 and regulates window 6.
Referring to Fig. 4, the full-wave rectifying circuit of delay control circuit is made up of diode D1~D4, and the input of full-wave rectifying circuit meets push-button switch 3 and load L respectively.Voltage stabilizing circuit is by voltage stabilizing didoe D
0And diode D5 and capacitor C 1 composition, the output of the input termination rectification circuit of voltage stabilizing circuit, delay circuit is composed in series by capacitor C 2, potentiometer W, resistance R.Control circuit is made up of integrated circuit (IC) 1 and electromagnetic relay J etc.The output termination electromagnetic relay J of integrated circuit (IC) 1, the normally opened contact J1 of electromagnetic relay J connects push-button switch 3.
When clicking push-button switch, divide two-way after the full-wave rectification of power supply 220V by diode D1~D4 composition, the one tunnel through voltage stabilizing didoe D
0(also can be replaced by at least 5 diodes) gives load L power supply, and the voltage between A and B is about 6V at this moment.Another road to capacitor C 1 charging, makes the have an appointment direct voltage of 6V of C1 two ends through diode D5, power supply is provided for integrated circuit (IC) 1 and peripheral cell.IC1 and peripheral Resistor-Capacitor Unit are formed monostable circuit, and because of capacitor C 2 voltages can not suddenly change, so 2 and 6 pin of IC1 are high level, make 3 pin output low levels during beginning, and electromagnetic relay gets electric adhesive, and normally opened contact J1 connects self-locking, keeps loaded work piece.This moment, C2 slowly charged by resistance R 1 and potentiometer W, and when the 2 and 6 pin level of IC1 were reduced to 1/3 supply voltage, relay discharged, and time-delay finishes.
In Fig. 4, the reference model and the parameter of each main components and parts are as follows:
Integrated circuit (IC) 1:NE555 type;
Voltage stabilizing didoe D
0: 5.1~10V, 〉=1W;
Diode D1~D5:1N4007 type;
Potentiometer W:2M;
Electromagnetic relay J:3V;
Resistance R: 100K;
Capacitor C 1, C2:470 μ.
Claims (8)
1, the adjustable long delay push-button switch of delay time, comprise panel, pedestal, push-button switch and delay control circuit, pedestal is located at the back side of panel, push-button switch is located on the panel, the delay control circuit plate is located on the pedestal, it is characterized in that said delay control circuit is provided with rectification circuit, voltage stabilizing circuit, delay circuit and control circuit, the input of rectification circuit connects push-button switch and load respectively, the output of the input termination rectification circuit of voltage stabilizing circuit, the output of the input termination voltage stabilizing circuit of delay circuit, the output of the input termination delay circuit of control circuit, the normally opened contact of the electromagnetic relay of control circuit connects push-button switch.
2, the adjustable long delay push-button switch of delay time as claimed in claim 1 is characterized in that establishing hole or the window that is used to regulate delay time on panel or pedestal.
3, the adjustable long delay push-button switch of delay time as claimed in claim 1, it is characterized in that said delay control circuit is provided with rectification circuit (D), voltage stabilizing circuit (H), delay circuit (P) and control circuit (T), the input of rectification circuit (D) connects push-button switch (3) and load (L) respectively, the output of the input termination rectification circuit (D) of voltage stabilizing circuit (H), the output of the input termination voltage stabilizing circuit (H) of delay circuit (P), the output of the input termination delay circuit (P) of control circuit (T), the normally opened contact (J1) of the electromagnetic relay (J) of control circuit (T) connects push-button switch (3).
4, the adjustable long delay push-button switch of delay time as claimed in claim 3 is characterized in that the binding post (5) of said push-button switch is located on the pedestal (2).
5, the adjustable long delay push-button switch of delay time as claimed in claim 4 is characterized in that establishing time-delay at the back side of pedestal (2) regulates window (6).
6, the adjustable long delay push-button switch of delay time as claimed in claim 1 is characterized in that said rectification circuit is a full-wave rectifying circuit.
7, the adjustable long delay push-button switch of delay time as claimed in claim 3 is characterized in that said delay circuit is composed in series by electric capacity (C2), potentiometer (W), resistance (R).
8, the adjustable long delay push-button switch of delay time as claimed in claim 3, it is characterized in that said control circuit is made up of integrated circuit (IC1) and electromagnetic relay (J), the output termination electromagnetic relay (J) of integrated circuit (IC1), the normally opened contact (J1) of electromagnetic relay (J) connects push-button switch (3).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200420057297 CN2752933Y (en) | 2004-11-21 | 2004-11-21 | Adjustable time-delayed long time-delay button switch |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200420057297 CN2752933Y (en) | 2004-11-21 | 2004-11-21 | Adjustable time-delayed long time-delay button switch |
Publications (1)
Publication Number | Publication Date |
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CN2752933Y true CN2752933Y (en) | 2006-01-18 |
Family
ID=35914342
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN 200420057297 Expired - Fee Related CN2752933Y (en) | 2004-11-21 | 2004-11-21 | Adjustable time-delayed long time-delay button switch |
Country Status (1)
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CN (1) | CN2752933Y (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102419411A (en) * | 2011-09-08 | 2012-04-18 | 国网电力科学研究院 | Combined test device and method of two impulse voltage generators |
-
2004
- 2004-11-21 CN CN 200420057297 patent/CN2752933Y/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102419411A (en) * | 2011-09-08 | 2012-04-18 | 国网电力科学研究院 | Combined test device and method of two impulse voltage generators |
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Legal Events
Date | Code | Title | Description |
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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 |