CN2442453Y - Warning delay device - Google Patents
Warning delay device Download PDFInfo
- Publication number
- CN2442453Y CN2442453Y CN 00215841 CN00215841U CN2442453Y CN 2442453 Y CN2442453 Y CN 2442453Y CN 00215841 CN00215841 CN 00215841 CN 00215841 U CN00215841 U CN 00215841U CN 2442453 Y CN2442453 Y CN 2442453Y
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- CN
- China
- Prior art keywords
- direct current
- current relay
- circuit
- transistor
- warning
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- Expired - Fee Related
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Abstract
The utility model relates to a warning delay device and is characterized in that a DC relay control end of a power supply of a warning signal generator is connected with a crystal triode to control the connection and the disconnection between the control end of the DC relay and the circuit, a base of the crystal triode is connected with a resistor, an emitting base of the crystal triode is connected with a capacitor, and the capacitor is connected with the resistor and is communicated with a charging circuit through a trigger switch. The delayed time is the time for the capacitor to discharge, an electricity collecting base is communicated with the emitting base owing to the existence of the base of the crystal triode and an emitting discharge circuit, so a relay circuit is turned on into time delaying work. The utility model has the advantages of simple structure, low cost, reliable circuit, etc.
Description
The utility model relates to burglar alarm, particularly the warning delayer of warning device.
Before the applying date, the warning delayer that burglar alarm adopted is an integrated circuit.The sort circuit cost is higher, circuit complexity, and many peripheral discrete components of will arranging in pairs or groups, but that advantage is timing is more accurate.Because in alarm procedure, the time that alarm is reported to the police after triggering is not strict with, so adopt this integrated circuit as the warning delayer, it is unsatisfactory to lose more than gain.
The purpose of this utility model, design exactly a kind of simple in structure, with low cost, the circuit delayer of reporting to the police reliably.
The utility model is realized by following scheme: warning delayer of the present utility model, comprise alarm signal generator, trigger switch and direct current relay, it is characterized in that: the direct current relay control end at control alarm signal generator power connects a transistor, control the break-make of the control end and the circuit of direct current relay, connect a resistance at transistor base, the emitter of triode connects an electric capacity, electric capacity is connected with resistance, and electric capacity is connected charging circuit by trigger switch.Transistor collector and emitter are by electric capacity and transistor base, emitter, the formed loop of discharge process and conducting.The time of time-delay, i.e. the time of capacitor discharge, its time length is in direct ratio with the resistance of condenser capacity that is adopted and resistance.
The collector electrode of this triode connects the negative pole control end of direct current relay when adopting negative-positive-negative transistor, and direct current relay positive electrical control end connects positive source.The base stage of triode connects resistance, and resistance connects capacitance cathode and connects an end of trigger switch.The emitter of its electric capacity negative pole triode in parallel also is connected with power cathode.The direct current relay normal-closed end connects the other end of trigger switch.And form the charging warning delayer of autotomying.
The collector electrode of this triode connects the positive electrical control end of direct current relay when adopting the positive-negative-positive transistor, and direct current relay negative pole control end connects trigger switch one end and connects power cathode and form the power cathode trigger switch.Transistor base connects resistance, and the emitter of triode connects capacitance cathode and is electrically connected with positive source.Its electric capacity negative pole connects the resistance other end and connects the other end of trigger switch.
After the trigger switch instantaneous trigger, electric capacity is filled electric charge at once, with transistor base, emitter, forms the loop discharge.The time of discharge is depended on resistance, and the capacity of electric capacity of resistance.Because transistor base and emitter discharge loop exist, so collector electrode and emitter are connected, relay circuit is connected and is entered delay working.
In order to realize that simultaneously bonding triggers and charging is autotomyed.Can adopt positive-negative-positive and NPN type transistor circuit ways of connecting.
Power cathode or ground strap are connected trigger switch one end.The positive-negative-positive transistor base is connected resistance, and the resistance other end connects the trigger switch other end.The positive-negative-positive transistor emitter connects the direct current relay normal-closed end, the positive-negative-positive transistor collector connects the connecting line between NPN type transistor circuit resistance and the capacitance cathode, NPN type transistor collector connects the negative pole control end of direct current relay, and NPN type transistor emitter connects power cathode.
After power cathode touched trigger switch, positive-negative-positive transistor emitter and collector electrode were connected circuit at once to the electric capacity charging, and during discharge, the relay normal-closed end disconnects and interrupts charging circuit immediately.Electric capacity is connected NPN type transistor collector and emitter by NPN type transistor base and emitter circuit discharge, and direct current relay just enters work, and the warning delayer is just reported to the police.
In order to adopt multiple mode to report to the police, also can adopt the double-pole direct current relay, control double circuit break-make.Double-pole direct current relay control end negative pole connects the collector electrode of transistor, transistor base connects resistance, transistor emitter connects the electric capacity negative pole, and connection power cathode, capacitance cathode connects resistance and connects trigger switch one end, the trigger switch other end connects two diodes, and connects double-pole direct current relay normal-closed end respectively.Double-pole direct current relay control end connects two end of converts that two diodes connect the double-pole direct current relay respectively.Two Chang Kaiduan connect two kinds of different type of alarms respectively, i.e. alarming horn and warning electric wave emitter.Two end of converts of direct current relay connect two contacts of type of alarm change over switch respectively.
Such design is in order no matter to adopt any type of alarm, to use the utility model warning delayer, establish alert after all not power consumptions, and can select type of alarm arbitrarily.
Just know that by above design the utility model has advantages such as circuit simple in structure, with low cost is reliable really.
The utility model is described in further detail below in conjunction with drawings and Examples:
Fig. 1 is the circuit theory diagrams of embodiment one structure and use
Fig. 2 is the circuit theory diagrams of embodiment two structures and use
Fig. 3 is the circuit theory diagrams of embodiment three structures and use
Fig. 4 is the circuit theory diagrams of embodiment four structures and use
Wherein, 1-alarm signal generator 2-direct current relay 3-NPN type transistor 4-resistance 5-electric capacity 6-trigger switch 7-PNP type transistor 8-resistance 9-double-pole direct current relay 10-diode 11-diode 12-diode 13-diode 14-alarming horn 15-electric wave emitter 16-type of alarm change over switch A-positive source B-loudspeaker power supply contact C-warning electric wave power supply contact
Embodiment one:
Present embodiment is the example that adopts warning time delayer circuit under the state that can autotomy after the charging of NPN type triode.
As shown in Figure 1, direct current relay (2) control end negative pole in the input of alarm signal generator (1) control power supply connects a transistor (3), control the break-make of direct current relay (2) control end and circuit, connect resistance (4) in NPN type triode (3) base stage, transistor emitter connects the negative pole of electric capacity (5), and be connected with power cathode, electric capacity (5) is anodal to be connected with resistance (4), and be connected with trigger switch (6) one ends, the other end of trigger switch (6) connects the normal-closed end of direct current relay (2), electric capacity (5) triggers charging by trigger switch (6), process triode (3) base stage during discharge, emitter forms loop turn-on transistor collector electrode and emitter, direct current relay (2) control end circuit is connected, by delay working discharge time, make direct current relay (2) end of convert disconnect the power supply input positive pole that charging circuit connects alarm signal generator (1), energized between time delay is sent alarm signal.
Embodiment two:
Present embodiment is to adopt the positive-negative-positive triode to trigger the example of warning time delayer circuit under the charged state with power cathode.
As shown in Figure 2, the anodal transistor (7) that connects of direct current relay (2) control end in the input of alarm signal generator (1) control power supply, control the break-make of direct current relay (2) control end and circuit, connect a resistance (4) in positive-negative-positive triode (7) base stage, transistor emitter connects the positive pole of an electric capacity (5), and be connected with positive source, electric capacity (5) negative pole is connected with resistance (4), and be connected with trigger switch (6) one ends, the other end of trigger switch (6) connects power cathode, electric capacity (5) triggers charging by trigger switch (6), process transistor emitter during discharge, base stage forms loop turn-on transistor emitter and collector electrode, direct current relay (2) control end circuit is connected, by delay working discharge time, energized between time delay is sent alarm signal.
Embodiment three:
Present embodiment is that NPN type triode, positive-negative-positive transistor circuit connect, and realizes simultaneously with the warning time delayer circuit example under the state of autotomying after power cathode triggering charging and the charging.
As shown in Figure 3, direct current relay (2) control end negative pole in the input of alarm signal generator (1) control power supply connects a negative-positive-negative transistor (3), control the break-make of direct current relay (2) control end and circuit, NPN type transistor base connects resistance (4), NPN type transistor emitter connects the negative pole of electric capacity (5), and the connection power cathode, electric capacity (5) is anodal to be connected with resistance (4), and is connected with the collector electrode of positive-negative-positive triode (7).The emitter of positive-negative-positive triode (7) connects the normal-closed end of direct current relay (2), and the base stage of positive-negative-positive triode (7) connects resistance (8), and resistance (8) connects an end of trigger switch (6).The other end of trigger switch (6) connects power cathode, and direct current relay (2) control end is anodal to be connected positive source with end of convert.
After trigger switch (6) triggered, the base stage and the collector electrode of positive-negative-positive triode (7) formed the loop rapidly, and the circuit of turn on emitter and collector electrode makes electric capacity (5) be full of electric charge.During capacitor discharge, electric current forms the loop through the base stage and the emitter of NPN triode (3), the collector electrode and the emitter of turn-on transistor (3), direct current relay (2) control end circuit is connected, direct current relay (2) end of convert disconnects charging circuit, and the power supply input that connects alarm signal generator (1) is anodal, makes the power connection of alarm signal generator (1), in capacitor discharge time, send alarm signal.
Embodiment four:
Present embodiment is the example of warning time delayer circuit under two kinds of warning conversion regime double-pole direct current relay states.
As shown in Figure 4, connect a negative-positive-negative transistor (3) at double-pole direct current relay (9) control end negative pole, control the break-make of double-pole direct current relay (9) control end and circuit, connect resistance (4) in NPN type triode (3) base stage, transistor emitter connects the negative pole of electric capacity (5), and be connected with power cathode, electric capacity (5) is anodal to be connected with resistance (4), and be connected with trigger switch (6) one ends, the other end of trigger switch (6) connects two diodes (11) respectively, (13), and connect two normal-closed ends of double-pole direct current relay (9) respectively, two diodes of the anodal connection of the control end of double-pole direct current relay (9), two end of converts that connect the double-pole direct current relay respectively, two Chang Kaiduan connect two kinds of different type of alarms respectively, i.e. alarming horn and warning electric wave emitter.Two end of converts of direct current relay connect two contacts of type of alarm change over switch respectively.
The type of alarm change over switch can be selected a kind of type of alarm arbitrarily.When selecting the loudspeaker type of alarm, the positive source A of type of alarm change over switch (16) end is connected with loudspeaker power supply contact B end.When selecting warning electric wave radiation pattern, the positive source A end of type of alarm change over switch (16) is connected with warning electric wave power supply contact C end.
After trigger switch triggers, electric capacity (5) triggers charging by trigger switch (6), form loop turn-on transistor collector electrode and emitter through triode (3) base stage, emitter during discharge, double-pole direct current relay (9) control end circuit is connected, by delay working discharge time, make double-pole direct current relay (9) end of convert disconnect the power supply input positive pole that charging circuit connects alarming horn (14) and warning electric wave emitter (15), the mode energized of selecting by type of alarm change over switch (16) between time delay is sent alarm signal.
Claims (4)
1. warning delayer, comprise the alarm signal generator, trigger switch and direct current relay, it is characterized in that: the direct current relay control end at control alarm signal generator power connects a transistor, control the break-make of the control end and the circuit of direct current relay, connect a resistance at transistor base, the emitter of triode connects an electric capacity, electric capacity is connected with resistance, electric capacity is connected charging circuit by trigger switch, transistor collector and emitter are by electric capacity and transistor base, emitter, the formed loop of discharge process and conducting, the time of capacitor discharge, promptly circuit is connected and the time of time-delay.
2. warning delayer according to claim 1 is characterized in that: the length of described capacitor discharge time, become direct proportion with the resistance of condenser capacity that is adopted and resistance, and its capacitor volume is not less than 4uF, and the resistance of resistor is not more than 82K.
3. warning delayer according to claim 1 is characterized in that: described transistor can be that the NPN type also can be a positive-negative-positive, can form delay circuit separately and use, and also can two kinds of models connect to form the delay circuit use.
4. according to claim 1 or 3 described warning delayers, it is characterized in that: the transistor of described delay circuit connects the direct current relay control end can connect double-pole direct current relay control end, also can connect any direct current relay control end by direct current control and form the warning delayer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00215841 CN2442453Y (en) | 2000-08-10 | 2000-08-10 | Warning delay device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00215841 CN2442453Y (en) | 2000-08-10 | 2000-08-10 | Warning delay device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2442453Y true CN2442453Y (en) | 2001-08-08 |
Family
ID=33581688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00215841 Expired - Fee Related CN2442453Y (en) | 2000-08-10 | 2000-08-10 | Warning delay device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2442453Y (en) |
-
2000
- 2000-08-10 CN CN 00215841 patent/CN2442453Y/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 |