CN201654952U - Energy-saving alarm device - Google Patents
Energy-saving alarm device Download PDFInfo
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- CN201654952U CN201654952U CN2010201812653U CN201020181265U CN201654952U CN 201654952 U CN201654952 U CN 201654952U CN 2010201812653 U CN2010201812653 U CN 2010201812653U CN 201020181265 U CN201020181265 U CN 201020181265U CN 201654952 U CN201654952 U CN 201654952U
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- power supply
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- energy
- type switch
- effect transistor
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Abstract
Disclosed is an energy-saving alarm device, referring to a switching mode alarm device. The device comprises a power supply (1) with two output terminals; an alarm (2) with two input terminals; a field effect transistor (Q) with a drain electrode, a source electrode and a grid electrode, which is connected with the alarm in series and then connected with the two output terminals of the power supply; a normally-closed switch (3), a resistor (R) which is connected with the normally-closed switch in series and then connected with the two output terminals of the power supply as well as connected with a connecting point (H) of the normally-closed switch and the grid electrode of the field effect transistor. The energy-saving alarm device has the advantage of energy conservation, low false alarm and the like.
Description
Technical field
The utility model 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 purpose of this utility model is that a kind of energy-conservation switching regulator warning device that includes the closed type switch will be provided.
In order to achieve the above object, the utility model adopts following technical scheme: according to the utility model, a kind of energy-saving warning 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 energy-saving warning 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 utlity model has following good effect:
This energy-saving warning device, 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 the utlity model has obvious energy-saving effect.
Description of drawings
Fig. 1 is the synoptic diagram of energy-saving warning device of the present utility model;
Fig. 2 is second embodiment of energy-saving warning device of the present utility model;
Fig. 3 is the 3rd embodiment of energy-saving warning device of the present utility model;
Fig. 4 is the 4th embodiment of energy-saving warning device of the present utility model;
Fig. 5 is the 5th embodiment of energy-saving warning device of the present utility model;
Fig. 6 is another embodiment of energy-saving warning device of the present utility model.
Embodiment
Fig. 1 is the synoptic diagram of energy-saving warning device of the present utility model.As seen from the figure, energy-saving warning device of the present utility model 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.
The utility model device is 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 device of the present utility model has good energy-saving effect.
Fig. 2 shows second embodiment of energy-saving warning device of the present utility model.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 energy-saving warning device of the present utility model.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 energy-saving warning device of the present utility model.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 energy-saving warning device of the present utility model.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 energy-saving warning device of the present utility model.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 embodiment of the present utility model 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 utility model that is limited by appended claims.
Claims (6)
1. energy-saving warning 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 energy-saving warning 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 energy-saving warning 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 energy-saving warning 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 energy-saving warning 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 energy-saving warning 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 |
|---|---|---|---|
| CN2010201812653U CN201654952U (en) | 2010-04-21 | 2010-04-21 | Energy-saving alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201812653U CN201654952U (en) | 2010-04-21 | 2010-04-21 | Energy-saving alarm device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201654952U true CN201654952U (en) | 2010-11-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201812653U Expired - Fee Related CN201654952U (en) | 2010-04-21 | 2010-04-21 | Energy-saving alarm device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201654952U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102236955A (en) * | 2010-04-21 | 2011-11-09 | 任文华 | Alarm circuit device |
-
2010
- 2010-04-21 CN CN2010201812653U patent/CN201654952U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102236955A (en) * | 2010-04-21 | 2011-11-09 | 任文华 | Alarm circuit device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101124 Termination date: 20110421 |