CN203982527U - A kind of novel Photoinduction type smoke alarm - Google Patents
A kind of novel Photoinduction type smoke alarm Download PDFInfo
- Publication number
- CN203982527U CN203982527U CN201420049143.7U CN201420049143U CN203982527U CN 203982527 U CN203982527 U CN 203982527U CN 201420049143 U CN201420049143 U CN 201420049143U CN 203982527 U CN203982527 U CN 203982527U
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- CN
- China
- Prior art keywords
- electric capacity
- relay
- potentiometer
- photoresistance
- bulb
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- 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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Abstract
The utility model discloses a kind of novel Photoinduction type smoke alarm, comprise transformer, bulb, photoresistance, the first electric capacity, the second electric capacity, potentiometer, controllable silicon, pushbutton switch, relay, diode and loudspeaker.Compared with prior art, the utlity model has circuit structure simple, adopt electronic component advantage few, with low cost, especially the utility model directly adopts ac power supply, not only play the effect of smog alarm, but also can play the effect of illumination, function is many, has the value of promoting the use of, and is conducive to spread in general family and uses.
Description
Technical field
The utility model relates to a kind of smoke alarm, relates in particular to a kind of novel Photoinduction type smoke alarm.
Background technology
Along with social development, increasing family starts to install and use home alarm device, and home alarm device function singleness, unstable properties and the problem such as expensive in the market, so for multi-functional, the high-performance of home alarm system, the demand of stability is more and more higher.But the circuit structure of alarm of the prior art is complicated, adopt electronic component prices many and element high, causes the price of finished product high, is difficult to spread in general family and uses.
Summary of the invention
The purpose of this utility model provides a kind of novel Photoinduction type smoke alarm with regard to being in order to address the above problem.
The utility model is achieved through the following technical solutions above-mentioned purpose:
The utility model comprises transformer, bulb, photoresistance, the first electric capacity, the second electric capacity, potentiometer, controllable silicon, pushbutton switch, relay, diode and loudspeaker, the elementary two ends of described transformer are connected with the two ends of AC power, the first end while of described transformer secondary output and the first end of described bulb, the first end of described photoresistance, the first end of described potentiometer, the sliding end of described potentiometer, described silicon controlled is anodal to be connected with the positive pole of described diode, the second end while of described transformer secondary output and the second end of described bulb, the first end of described the first electric capacity, the first end of described relay is connected with the first end of the normal open switch of described relay, the second end of described relay is connected with the first end of described pushbutton switch and the second end of described the first electric capacity simultaneously, the second end of described pushbutton switch is connected with described silicon controlled negative pole, described silicon controlled control end is connected with the second end of described potentiometer and the second end of described photoresistance simultaneously, the second end of described relay normally open switch is connected with the first end of described the second electric capacity and the first end of described loudspeaker simultaneously, and the second end of described the second electric capacity is connected with the second end of described loudspeaker and the negative pole of described diode simultaneously.
The beneficial effects of the utility model are:
The utility model is a kind of novel Photoinduction type smoke alarm, compared with prior art, the utlity model has circuit structure simple, adopt electronic component advantage few, with low cost, especially the utility model directly adopts ac power supply, not only play the effect of smog alarm, but also can play the effect of illumination, function is many, there is the value of promoting the use of, and be conducive to spread in general family and use.
Accompanying drawing explanation
Fig. 1 is circuit structure schematic diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in Figure 1: the utility model comprises transformer T, bulb H, photoresistance RG, the first capacitor C 1, the second capacitor C 2, potentiometer RP, controllable silicon SCR, pushbutton switch AN, relay J, diode D and loudspeaker Y, the elementary two ends of transformer T are connected with the two ends of AC power AC, the first end while of T level of transformer and the first end of bulb H, the first end of photoresistance RG, the first end of potentiometer RP, the sliding end of potentiometer RP, the positive pole of controllable silicon SCR is connected with the positive pole of diode D, the second end while of T level of transformer and the second end of bulb H, the first end of the first capacitor C 1, the first end of the normal open switch J1 of the first end of relay J and relay is connected, the second end of relay J is connected with the second end of the first capacitor C 1 with the first end of pushbutton switch AN simultaneously, the second end of pushbutton switch AN is connected with the negative pole of controllable silicon SCR, the control end of controllable silicon SCR is connected with the second end of potentiometer RP and the second end of photoresistance RG simultaneously, the second end of relay normally open switch J1 is connected with the first end of loudspeaker Y with the first end of the second capacitor C 2 simultaneously, and the second end of the second capacitor C 2 is connected with the negative pole of diode D with the second end of loudspeaker Y simultaneously.
Claims (1)
1. a novel Photoinduction type smoke alarm, is characterized in that: comprise transformer, bulb, photoresistance, the first electric capacity, the second electric capacity, potentiometer, controllable silicon, pushbutton switch, relay, diode and loudspeaker, the elementary two ends of described transformer are connected with the two ends of AC power, the first end while of described transformer secondary output and the first end of described bulb, the first end of described photoresistance, the first end of described potentiometer, the sliding end of described potentiometer, described silicon controlled is anodal to be connected with the positive pole of described diode, the second end while of described transformer secondary output and the second end of described bulb, the first end of described the first electric capacity, the first end of described relay is connected with the first end of the normal open switch of described relay, the second end of described relay is connected with the first end of described pushbutton switch and the second end of described the first electric capacity simultaneously, the second end of described pushbutton switch is connected with described silicon controlled negative pole, described silicon controlled control end is connected with the second end of described potentiometer and the second end of described photoresistance simultaneously, the second end of described relay normally open switch is connected with the first end of described the second electric capacity and the first end of described loudspeaker simultaneously, and the second end of described the second electric capacity is connected with the second end of described loudspeaker and the negative pole of described diode simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420049143.7U CN203982527U (en) | 2014-01-18 | 2014-01-18 | A kind of novel Photoinduction type smoke alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420049143.7U CN203982527U (en) | 2014-01-18 | 2014-01-18 | A kind of novel Photoinduction type smoke alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203982527U true CN203982527U (en) | 2014-12-03 |
Family
ID=51979954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420049143.7U Expired - Fee Related CN203982527U (en) | 2014-01-18 | 2014-01-18 | A kind of novel Photoinduction type smoke alarm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203982527U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110576277A (en) * | 2019-10-17 | 2019-12-17 | 温州技师学院 | Automatic clamping device for copper wire of welding gun |
-
2014
- 2014-01-18 CN CN201420049143.7U patent/CN203982527U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110576277A (en) * | 2019-10-17 | 2019-12-17 | 温州技师学院 | Automatic clamping device for copper wire of welding gun |
| CN110576277B (en) * | 2019-10-17 | 2024-05-10 | 温州技师学院 | Automatic clamping device for welding gun copper wire |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141203 Termination date: 20160118 |
|
| EXPY | Termination of patent right or utility model |