CN102236955A - Alarm circuit device - Google Patents
Alarm circuit device Download PDFInfo
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- CN102236955A CN102236955A CN2010101667194A CN201010166719A CN102236955A CN 102236955 A CN102236955 A CN 102236955A CN 2010101667194 A CN2010101667194 A CN 2010101667194A CN 201010166719 A CN201010166719 A CN 201010166719A CN 102236955 A CN102236955 A CN 102236955A
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Abstract
The invention discloses an alarm circuit device, and relates to a switch alarm device. The device comprises a power supply (1) with two output ends, a warner (2) with two input ends, a field effect transistor (Q) with a drain, a source and a grid, a normally-closed switch (3) and a resistor (R), wherein the field effect transistor is connected in series with the warner and is connected in parallel with the two output ends of the power supply; and the resistor is connected in series with the normally-closed switch and is connected in parallel with the two output ends of the power supply, and the resistor and a connection point (H) of the normally-closed switch are connected with the grid of the field effect transistor. The alarm circuit device has the characteristics of energy conservation, low false alarm rate and the like.
Description
Technical field
The present invention relates to a kind of warning device, particularly a kind of switching regulator warning device.
Background technology
The switching regulator warning device has characteristics such as cost is low, rate of false alarm is low, and it is of many uses.Existing employing closed type switch even be in the non-alarm condition of setting up defences, also needs to consume more electric energy as the switching regulator warning device of detector, and this has a strong impact on the service time of its power supply or wastes energy.So necessary improvement.
Summary of the invention
The objective of the invention is to provide a kind of energy-conservation switching regulator warning device that includes the closed type switch.
In order to achieve the above object, the present invention adopts following technical scheme: according to the present invention, a kind of warning circuit device is characterized in that it comprises: have the power supply of two output terminals, be used to provide direct current; Alarm device with two input ends is used to send alarm signal; Field effect transistor with drain electrode, source electrode and grid, drain electrode and source electrode are as its two input ends, grid is as its control end, one of them input end is connected with an input end of alarm device, and another input end wherein and another input end of alarm device are connected on two output terminals of power supply; Closed type switch with two input ends is used to survey the signal that needs warning; Resistance, its end is connected with an input end of closed type switch, another input end of its other end and closed type switch is connected on two output terminals of power supply, and it is that grid is connected with the tie point of closed type switch with the control end of field effect transistor.
Described field effect transistor can be enhancement mode NMOS pipe, and the higher output terminal of its drain electrode and the current potential in two output terminals of described power supply is connected; The higher output terminal of current potential in two output terminals of end that described resistance is not connected with the closed type switch and described power supply is connected.
Described field effect transistor can be enhancement mode NMOS pipe, and the lower output terminal of current potential in two output terminals of its source electrode and described power supply is connected; The higher output terminal of current potential in two output terminals of end that described resistance is not connected with the closed type switch and described power supply is connected.
Described field effect transistor can be enhancement mode PMOS pipe, and the output terminal that its drain electrode and current potential in two output terminals of described power supply are lower is connected; The lower output terminal of current potential in two output terminals of end that described resistance is not connected with the closed type switch and described power supply is connected.
Described field effect transistor can be enhancement mode PMOS pipe, and the higher output terminal of current potential in two output terminals of its source electrode and described power supply is connected; The lower output terminal of current potential in two output terminals of end that described resistance is not connected with the closed type switch and described power supply is connected.
Described warning circuit device can also comprise the open type switch, and its open type switch can be attempted by in the drain electrode and source electrode of described field effect transistor.
Described resistance, its resistance are usually greater than 10 megaohms, and its resistance is big more to reduce ohmically energy consumption more.
The present invention has following good effect:
Warning circuit device of the present invention, at the state of setting up defences, its field effect transistor is in off state, and its alarm device can not obtain the electric energy that power supply provides, and promptly this its alarm device of state is consumed power not; The resistance of its resistance can be selected very greatly as 50 megaohms in addition, can effectively reduce this power consumption under the state of setting up defences of resistance.Therefore warning circuit device of the present invention has obvious energy-saving effect.
Description of drawings
Fig. 1 is a warning circuit schematic representation of apparatus of the present invention;
Fig. 2 is second embodiment of warning circuit device of the present invention;
Fig. 3 is the 3rd embodiment of warning circuit device of the present invention;
Fig. 4 is the 4th embodiment of warning circuit device of the present invention;
Fig. 5 is the 5th embodiment of warning circuit device of the present invention;
Fig. 6 is another embodiment of warning circuit device of the present invention.
Embodiment
Fig. 1 is a warning circuit schematic representation of apparatus of the present invention.As seen from the figure, warning circuit device of the present invention comprises: power supply 1, and it has output terminals A and output terminal B, and the current potential of output terminals A is for just, and the current potential of output terminal B is for negative; Have the alarm device 2 of input end E and input end F, be used to send alarm signal, as send sound and light signal; Field effect transistor Q is an enhancement mode NMOS pipe, it has drain D, source S and grid G, drain electrode and source electrode are as its two input ends, grid is as its control end, drain D as an input end of field effect transistor is connected with the output terminals A of power supply 1, source S as another input end of field effect transistor is connected with the input end E of alarm device 2, and the input end F of alarm device 2 is connected with the output terminal B of power supply 1; Closed type switch 3, it has two input ends; Resistance R is the very big resistance of a resistance, resistance as 50 megaohms, its end is connected with an input end of closed type switch 3, its other end is connected with the output terminals A of power supply 1, another input end of closed type switch 3 is connected with the output terminal B of power supply 1, and resistance R is that grid G is connected with the tie point H of closed type switch 3 with the control end of field effect transistor.
Apparatus of the present invention are in when setting up defences duty, from Fig. 1, find out easily, at this moment the grid G of enhancement mode NMOS pipe is in electronegative potential, be in off state between the drain D of enhancement mode NMOS pipe and the source S, at this moment alarm device can not obtain electric energy from power supply 1, so alarm device does not consume energy in the duty of setting up defences; Have only when the closed type switch and detect danger signal and after disconnecting, enhancement mode NMOS pipe is because grid G at this moment is in noble potential and conducting, and its alarm device could obtain the energy of power supply and send warning information; Because the resistance of resistance R is very big, the power consumption on its resistance R is very little.Therefore apparatus of the present invention have good energy-saving effect.
Fig. 2 shows second embodiment of warning circuit device of the present invention.Be easy to from figure find out that this embodiment is similar to embodiment shown in Figure 1, just in the present embodiment, described field effect transistor is an enhancement mode PMOS pipe; Described power supply 1, the current potential of its output terminals A be for negative, and the current potential of its output terminal B is for just.
Fig. 3 is the 3rd embodiment of warning circuit device of the present invention.From figure, be easy to find out, this embodiment is similar to embodiment shown in Figure 1, just in the present embodiment, the connection of field effect transistor Q, alarm device 2 and power supply 1 is different, the drain D of field effect transistor Q is connected with the input end F of alarm device 2, the source S of field effect transistor Q is connected with the output terminal B of power supply 1, and the input end E of alarm device 2 is connected with the output terminals A of power supply 1.
Fig. 4 is the 4th embodiment of warning circuit device of the present invention.Be easy to from figure find out that this embodiment is similar to embodiment shown in Figure 3, just in the present embodiment, field effect transistor is an enhancement mode PMOS pipe; Described power supply 1, the current potential of its output terminals A be for negative, and the current potential of its output terminal B is for just.
Fig. 5 is the 5th embodiment of warning circuit device of the present invention.Be easy to from figure find out that this embodiment is similar to embodiment shown in Figure 1, just in the present embodiment, also be provided with an open type switch 4, it is attempted by on the drain D and source S of field effect transistor Q.Can utilize the signal that closed type switch 3 and open type switch 4 are surveyed needs warning so simultaneously.
Fig. 6 is another embodiment of warning circuit device of the present invention.Be easy to from figure find out that this embodiment is similar to embodiment shown in Figure 2, just in the present embodiment, also be provided with an open type switch 4, it is attempted by on the drain D and source S of field effect transistor Q.It utilizes the signal that closed type switch 3 and open type switch 4 are surveyed needs warning simultaneously.
Although showed and described and thought preferred embodiments of the invention at present, apparent, those skilled in the art can carry out various changes and improvements, and does not deviate from the scope of the present invention that is limited by appended claims.
Claims (6)
1. warning circuit device is characterized in that it comprises:
Have the power supply (1) of two output terminals (A, B), be used to provide direct current;
Have the alarm device (2) of two input ends (E, F), be used to send alarm signal;
Field effect transistor (Q) with drain electrode (D), source electrode (S) and grid (G), drain electrode and source electrode are as its two input ends, grid is as its control end, one of them input end is connected with an input end of alarm device, and another input end wherein and another input end of alarm device are connected on two output terminals of power supply;
Closed type switch (3) with two input ends is used to survey the signal that needs warning;
Resistance (R), its end is connected with an input end of closed type switch, another input end of its other end and closed type switch is connected on two output terminals of power supply, and it is that grid is connected with the tie point (H) of closed type switch with the control end of field effect transistor.
2. a kind of warning circuit device as claimed in claim 1 is characterized in that, described field effect transistor is an enhancement mode NMOS pipe, and the higher output terminal of its drain electrode and the current potential in two output terminals of described power supply is connected; The higher output terminal of current potential in two output terminals of end that described resistance is not connected with the closed type switch and described power supply is connected.
3. a kind of warning circuit device as claimed in claim 1 is characterized in that, described field effect transistor is an enhancement mode PMOS pipe, and the output terminal that its drain electrode and current potential in two output terminals of described power supply are lower is connected; The lower output terminal of current potential in two output terminals of end that described resistance is not connected with the closed type switch and described power supply is connected.
4. a kind of warning circuit device as claimed in claim 1 is characterized in that, described field effect transistor is an enhancement mode NMOS pipe, and the lower output terminal of current potential in two output terminals of its source electrode and described power supply is connected; The higher output terminal of current potential in two output terminals of end that described resistance is not connected with the closed type switch and described power supply is connected.
5. a kind of warning circuit device as claimed in claim 1 is characterized in that, described field effect transistor is an enhancement mode PMOS pipe, and the higher output terminal of current potential in two output terminals of its source electrode and described power supply is connected; The lower output terminal of current potential in two output terminals of end that described resistance is not connected with the closed type switch and described power supply is connected.
6. as the described a kind of warning circuit device of one of claim 1 to 5, it is characterized in that, on the drain electrode of described field effect transistor and source electrode also and be connected to an open type switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101667194A CN102236955A (en) | 2010-04-21 | 2010-04-21 | Alarm circuit device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101667194A CN102236955A (en) | 2010-04-21 | 2010-04-21 | Alarm circuit device |
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| Publication Number | Publication Date |
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| CN102236955A true CN102236955A (en) | 2011-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010101667194A Pending CN102236955A (en) | 2010-04-21 | 2010-04-21 | Alarm circuit device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104283190A (en) * | 2013-07-04 | 2015-01-14 | Zodiac航空电器 | Device and method for protecting against leakage currents |
| CN104658203B (en) * | 2013-11-22 | 2017-08-25 | 西门子瑞士有限公司 | Line terminus module, controller and control method for warning system |
| CN112261589A (en) * | 2020-10-20 | 2021-01-22 | 深圳市沃特沃德股份有限公司 | Electric vehicle anti-theft method and device based on multiple Internet of things modules and computer equipment |
| WO2022082435A1 (en) * | 2020-10-20 | 2022-04-28 | 深圳市沃特沃德股份有限公司 | Electric vehicle anti-theft method and apparatus based on multiple internet-of-things modules, and computer device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS5444897A (en) * | 1977-09-16 | 1979-04-09 | Matsushita Electric Works Ltd | Alarm device |
| CN2095450U (en) * | 1991-05-17 | 1992-02-05 | 顾茂章 | Timing double functional alarm for boiling |
| CN2667581Y (en) * | 2003-09-23 | 2004-12-29 | 顺德市松本电工实业有限公司 | Multifunction door bell device |
| CN2669201Y (en) * | 2003-12-19 | 2005-01-05 | 魏月艳 | Emergency electric torch for airplane cabin |
| CN200986054Y (en) * | 2006-12-22 | 2007-12-05 | 南京普鲁卡姆电器有限公司 | Electric thermo-couple electromagnetic valve safety device |
| CN201654952U (en) * | 2010-04-21 | 2010-11-24 | 任文华 | Energy-saving alarm device |
-
2010
- 2010-04-21 CN CN2010101667194A patent/CN102236955A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5444897A (en) * | 1977-09-16 | 1979-04-09 | Matsushita Electric Works Ltd | Alarm device |
| CN2095450U (en) * | 1991-05-17 | 1992-02-05 | 顾茂章 | Timing double functional alarm for boiling |
| CN2667581Y (en) * | 2003-09-23 | 2004-12-29 | 顺德市松本电工实业有限公司 | Multifunction door bell device |
| CN2669201Y (en) * | 2003-12-19 | 2005-01-05 | 魏月艳 | Emergency electric torch for airplane cabin |
| CN200986054Y (en) * | 2006-12-22 | 2007-12-05 | 南京普鲁卡姆电器有限公司 | Electric thermo-couple electromagnetic valve safety device |
| CN201654952U (en) * | 2010-04-21 | 2010-11-24 | 任文华 | Energy-saving alarm device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104283190A (en) * | 2013-07-04 | 2015-01-14 | Zodiac航空电器 | Device and method for protecting against leakage currents |
| CN104658203B (en) * | 2013-11-22 | 2017-08-25 | 西门子瑞士有限公司 | Line terminus module, controller and control method for warning system |
| CN112261589A (en) * | 2020-10-20 | 2021-01-22 | 深圳市沃特沃德股份有限公司 | Electric vehicle anti-theft method and device based on multiple Internet of things modules and computer equipment |
| WO2022082435A1 (en) * | 2020-10-20 | 2022-04-28 | 深圳市沃特沃德股份有限公司 | Electric vehicle anti-theft method and apparatus based on multiple internet-of-things modules, and computer device |
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Address after: 310052 Hangzhou City, Binjiang District Province, No., Shing Road, Garden Court, building 2, room 3, unit 1402, room 3191 Applicant after: Ren Wenhua Address before: 310003, room 2, unit 129, 402 lane, lane, Hangzhou, Zhejiang Applicant before: Ren Wenhua |
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Owner name: CHEN DALIN Free format text: FORMER OWNER: REN WENHUA Effective date: 20131015 |
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Free format text: CORRECT: ADDRESS; FROM: 310052 HANGZHOU, ZHEJIANG PROVINCE TO: 321000 JINHUA, ZHEJIANG PROVINCE |
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Effective date of registration: 20131015 Address after: 321000 Zhejiang Province, Jinhua City Dongnae road Wu Jiang Xin Cun Nan Shang 7 Building 1 unit 201 room Applicant after: Chen Dalin Address before: 310052 Hangzhou City, Binjiang District Province, No., Shing Road, Garden Court, building 2, room 3, unit 1402, room 3191 Applicant before: Ren Wenhua |
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Application publication date: 20111109 |