CN2133934Y - Dual-purpose energy-saving switch for off delay of exhaust fan - Google Patents
Dual-purpose energy-saving switch for off delay of exhaust fan Download PDFInfo
- Publication number
- CN2133934Y CN2133934Y CN 92233333 CN92233333U CN2133934Y CN 2133934 Y CN2133934 Y CN 2133934Y CN 92233333 CN92233333 CN 92233333 CN 92233333 U CN92233333 U CN 92233333U CN 2133934 Y CN2133934 Y CN 2133934Y
- Authority
- CN
- China
- Prior art keywords
- switch
- double
- delay
- exhaust fan
- ventilating fan
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The utility model relates to a dual-purpose energy-saving switch for off delay of an exhaust fan which belongs to the product in the technical field of the electric switch, comprising a double-cutter double-bit switch and an electronic delay circuit. In the double cutters, one cutter directly controls the illumination lamp and is same with the common switch, and the other cutter controls the electronic delay circuit and controls off delay of an exhaust fan through a miniature relay. So the exhaust fan is turned off in a delaying mode when people leaves the washroom and turns off the illumination lamp, and the remanent water vapor and the abnormal flavour are eliminated cleanly.
Description
The utility model relates to the control switch of ventilating fan and illuminating lamp.
Ventilating fan and illuminating lamp are all installed in the toilet in hotel, restaurant, control respectively with two switches.Ventilating fan is water vapour and large and small after an action of the bowels the foul smell that is used for getting rid of after having a bath, so open simultaneously when ventilating fan and illuminating lamp can only the people be entered, disconnected simultaneously otherwise water vapour and foul smell can not be got rid of totally when the able person did not come out, sometimes the guest forgets back and closes ventilating fan after a while, allow ventilating fan move all day, waste electric energy.
The purpose of this utility model is that design is a kind of novel switched, it can realize starting when the people enters the toilet and opens illuminating lamp ventilating fan, when the people leaves the toilet and turns off illuminating lamp, not stall immediately of ventilating fan, will through after a while water vapour, peculiar smell are got rid of clean after just stall, it is dual-purpose and realized behind emptying water vapour, the peculiar smell purpose of stall ventilating fan automatically to play switch like this, plays energy-saving effect.
The purpose of this utility model is to realize like this.
In Fig. 1 circuit, double-pole on-off switch K, pair of contact is used for controlling illuminating lamp L, and is the same with regular tap, and another can play time-delay disconnection effect to indirect control ventilating fan M.Action principle is as follows:
K switch is down fashionable, and illuminating lamp L connects 220V power supply, bright immediately by the switch pair of contact.Another of switch connected the ground of C point and DC power supply to the contact, at this moment voltage comparator C
1(+) input is 0 current potential, is lower than (-) input current potential, C
1Be output as 0 current potential, promptly rest-set flip-flop R end is input as (0).Voltage comparator C
2(+) input current potential is higher than (-) input 0 current potential, C
2Export the positive potential suitable with supply voltage, promptly the S of rest-set flip-flop end is input as (1).This moment, trigger was output as (0), through anti-phase back inverter F output and the equal positive potential of supply voltage, made the relay J adhesive, and ventilating fan connection 220V power supply and illuminating lamp are started simultaneously.Supply diode displaying simultaneously.Up fashionable when switch, illuminating lamp cuts off the power supply immediately and extinguishes.Another is to contact and resistance R
3Connect, DC power supply is passed through R
3To capacitor C
4Charge, when C point current potential along with capacitor C
4Charging raises gradually, when C point current potential is higher than A point current potential, and comparator C
1, C
2Output will put upside down, i.e. S=0, R=1, trigger output becomes 1 by 0, inverter output becomes 0, relay discharges, ventilating fan stall, light-emitting diode D
6Also extinguish.The time that postpones is decided by R
3, R
4The time constant size of product is adjusted as required.
DC power supply is the economic C of 220V alternating voltage
1, R
1After the step-down in parallel by bridge rectifier and BG, D
5Provide after the voltage stabilizing circuit voltage stabilizing Deng the element formation.
This circuit is respond well through the reality test.
Profile of the present utility model as shown in Figure 2,1 is that double-pole on-off switch 2 is indicator light.
Claims (3)
1, a kind of ventilating fan time-delay disconnects the double-purpose energy-saving switch, and double-pole on-off switch, relay, indicator light are arranged, and it is characterized in that the delay circuit of being made up of resistance, electric capacity, voltage comparator, trigger, inverter;
2, ventilating fan time-delay as claimed in claim 1 disconnects the double-purpose energy-saving switch, it is characterized in that directly controlling illuminating lamp with a cutter of a double-pole on-off switch, and another cutter control electronic delay circuit also disconnects by the time-delay of miniature relay control ventilating fan;
3, ventilating fan time-delay as claimed in claim 1 disconnects the double-purpose energy-saving switch, it is characterized in that the double-pole on-off switch is fixed on the center of one 86 * 86 square panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92233333 CN2133934Y (en) | 1992-09-18 | 1992-09-18 | Dual-purpose energy-saving switch for off delay of exhaust fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92233333 CN2133934Y (en) | 1992-09-18 | 1992-09-18 | Dual-purpose energy-saving switch for off delay of exhaust fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2133934Y true CN2133934Y (en) | 1993-05-19 |
Family
ID=33775685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92233333 Expired - Fee Related CN2133934Y (en) | 1992-09-18 | 1992-09-18 | Dual-purpose energy-saving switch for off delay of exhaust fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2133934Y (en) |
-
1992
- 1992-09-18 CN CN 92233333 patent/CN2133934Y/en not_active Expired - Fee Related
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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 |