CN202084123U - Radar-type audible and visual alarm - Google Patents
Radar-type audible and visual alarm Download PDFInfo
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- CN202084123U CN202084123U CN2011201689475U CN201120168947U CN202084123U CN 202084123 U CN202084123 U CN 202084123U CN 2011201689475 U CN2011201689475 U CN 2011201689475U CN 201120168947 U CN201120168947 U CN 201120168947U CN 202084123 U CN202084123 U CN 202084123U
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Abstract
Provided is a radar-type audible and visual alarm, comprising: a loop antenna which transmits microwave signals outward and sends low-frequency signals when receives echoes reflected by objects within certain distance, a radar-type detecting module which is triggered by the low-frequency signals sent by the loop antenna for operation and outputs control signals at the signal output end of the radar-type detecting module, and a simulation sound and relay execution module driven by the control signals of the radar-type detecting module to launch audible and visual alarm. As a radar-type detecting module of TWH9250 model is employed, the detecting distance can be adjusted within 2 to 7 m. Combined with the arrangement of a photo-resistor, the alarm can be controlled to enter monitoring state only at night. The radar-type audible and visual alarm of the utility model features simple circuit structure, easy making, reliable operation, high sensitivity, and high reliability. The radar-type audible and visual alarm allows audible and visual alarm, thereby preventing thieves from stealing.
Description
Technical field
The utility model relates to the alarm that a kind of integrated circuit constitutes, particularly a kind of radar type audible-visual annunciator.
Background technology
In a lot of indoor thief-proof warning occasions such as family, need be installed in the alarm at door and window place, can detect the people near and move, concurrently speak, light reports to the police, and the burglar is hung back.
The utility model content
The purpose of this utility model provides a kind of radar type audible-visual annunciator, and the object that moves in can surveying about 5m is concurrently spoken, light reports to the police; Can also control this alarm and enter monitor state at night automatically.
In order to achieve the above object, the technical solution of the utility model provides a kind of radar type audible-visual annunciator, and it comprises:
Tours antenna, its outside launched microwave signal, and send low frequency signal during the echo that in receiving certain distance, is reflected by object;
The radar type detecting module, it is connected with described tours antenna, and is triggered by the low frequency signal that described tours antenna sends and to carry out work, and in its signal output part output control signal;
Simulated sound and relay execution module, its signal output part with described radar type detecting module is connected, and is driven by the control signal of described radar type detecting module, sends sound and light alarm.
The model of described radar type detecting module is TWH9250.
Described tours antenna is the open type circle that bends formation with single core copper cash or enameled wire, and is connected by the antenna end of parallel lead wire with described radar type detecting module at its opening part.
Described radar type audible-visual annunciator also comprises:
Power module, it is connected respectively with the relay execution module with described simulated sound with described radar type detecting module, and the direct-current working volts of 9-12V are provided to the positive power source terminal of described radar type detecting module;
Described power module is disposed with electric capacity in parallel and resistance as its step-down module, the rectifier bridge that is attached thereto, be connected the filter capacitor between the negative power end of the positive power source terminal of described radar type detecting module and ground connection, and the voltage stabilizing diode in parallel with described filter capacitor.
In described simulated sound and the relay execution module, comprise and connect the relay of diode, it is arranged between the positive power source terminal and signal output part of described radar type detecting module;
The normal opened contact of described relay is connected with an alarm lamp; When described signal output part was output as low level, this normal opened contact closure was communicated with the input end of described alarm lamp with the 220V AC power of described power module, and this alarm lamp is lighted.
Also comprise the simulated sound integration module in described simulated sound and the relay execution module, its signal output part with described radar type detecting module is connected, and when this signal output part is output as low level, trigger work, send chimes of doom to drive the hummer that is connected with this simulated sound integration module.
The model of described simulated sound integration module is CW9561.
Between two sensitivity control ends that described radar type detecting module is provided with, also be provided with the detection sensitivity that adjustable resistance changes this alarm;
Described alarm is to the detection range near object, by the resistance decision of described adjustable resistance.
The light-operated end that described radar type detecting module is provided with, and select to be provided with photoresistance between the negative power end of its ground connection; Described photoresistance is controlled the automatic unlatching of described alarm according to different illumination degree or is closed.
Radar type audible-visual annunciator described in the utility model, its advantage is: the utility model is owing to used the radar type detecting module of TWH9250 type, its volume is with the matchbox size, innerly does program control processing by microcomputer chip, thereby working stability, highly sensitive, good reliability.Preferably, described radar type audible-visual annunciator, the distance that can in 2-7m, regulate detection range; Can also be equipped with photoresistance, the control alarm opens automatically or cuts out, and makes it all open monitoring night by day, or only enters monitor state at night.When the object distance tours antenna 5m left and right sides, this radar type detecting module can be triggered, and passes through its signal output part O to described simulated sound and relay execution module output low level; At this moment, relay K is triggered, and its normal opened contact K-1 closure makes alarm lamp be communicated with power supply and lights; Simultaneously, described simulated sound integration module is by pin 8 work that also is triggered, and sends chimes of doom by the hummer that is attached thereto.10s after object stops to move or walks out investigative range, described radar type detecting module automatically resets, and described simulated sound and relay execution module quit work.Therefore, radar type audible-visual annunciator working stability described in the utility model, highly sensitive, good reliability are reported to the police by sound, light, and the burglar is hung back.
Description of drawings
Fig. 1 is the electrical block diagram of radar type audible-visual annunciator described in the utility model.
Embodiment
Below in conjunction with description of drawings embodiment of the present utility model, the preferred parameter of each element as shown in FIG..
Referring to shown in Figure 1, the core component of described radar type audible-visual annunciator is the radar type detecting module 1 of TWH9250 type, and its inner microwave tube do scanning emission, microcomputer chip of adopting is made Digital Control.When detected object near the time, when described radar type detecting module 1 is triggered, control the power connection of connected controlled circuit, make this controlled circuit work.Controlled circuit described in the present embodiment is a simulated sound and relay execution module 2.Be connected respectively with relay execution module 2 with described radar type detecting module 1 and described simulated sound, also be provided with a power module 3.
Concrete, the radar type detecting module 1 of described TWH9250 type is connected with a tours antenna; Behind power connection, described tours antenna is outside launched microwave signal both, again when it receives the echo that is reflected by object, sends low frequency signal to described radar type detecting module 1 simultaneously.Described tours antenna can be single core copper cash or the enameled wire with diameter 0.8-2mm, curves the open type circle of diameter 8-10cm, and is connected with antenna end Y1, the Y2 of described radar type detecting module 1 by the parallel lead wire that is no more than 10mm at opening part.
The operating voltage of described radar type detecting module 1 is 9-12V, can be by direct current supply; Perhaps, carry out step-down, rectification, filtering and voltage stabilizing by 3 pairs of interchanges of described power module after, be connected with the positive power source terminal V+ of described radar type detecting module 1 and power.Described power module 3 is disposed with lower module: electric capacity in parallel and resistance are as its step-down module, the rectifier bridge that is attached thereto, be connected the positive power source terminal V+ of described radar type detecting module 1 and the filter capacitor between the negative power end (earth terminal), and the voltage stabilizing diode in parallel with described filter capacitor.
Described simulated sound and relay execution module 2 comprise and have connect the relay K of diode, and it is arranged between the positive power source terminal V+ and signal output part O of described radar type detecting module 1.The normal opened contact K-1 of described relay K is connected with the input end of the 220V AC power of described power module 3 with alarm lamp series connection back.
Described simulated sound and relay execution module 2 also comprise the simulated sound integration module of CW9561 type, and it can simulate alarm songs such as sending steam whistle.The pin 8 of described simulated sound integration module is connected with the signal output part O of described radar type detecting module 1, and pin 7 is connected with a hummer by driver module.Described drive module setting has the resistance of 1.8K ohm, and the one end is connected with pin 7, and the other end is connected with the base stage of the complex pipe that 2 9013 type diodes constitute; The emitter of described complex pipe is connected with the pin 8 of described simulated sound integration module, and its collector is connected with described hummer.The described hummer other end is connected with the positive power source terminal V+ of described radar type detecting module 1 by 330 ohm resistance.The pin 3 of described simulated sound integration module also is connected with the positive power source terminal V+ of described radar type detecting module 1 by the resistance of a 1K ohm.Also be provided with the resistance of a 240K ohm between the pin 4 of described simulated sound integration module and the pin 5.
Based on the foregoing circuit structure, the principle of work of radar type audible-visual annunciator described in the utility model is as follows: behind power connection, and the outside launched microwave signal of described tours antenna; When there are objects moving in the certain distance, the echo that is reflected by this object was also received by described tours antenna; At this moment, described radar type detecting module 1 receives the low frequency signal that described tours antenna sends, its on-off circuit of back triggering relatively amplifies in portion within it, the signal output part O output low level that makes at this radar type detecting module 1, thereby drive described simulated sound and relay execution module 2 work realization sound, light warning: promptly, the relay K of described simulated sound and relay execution module 2 triggers, and its normal opened contact K-1 closure is lighted alarm lamp; Simultaneously, triggering work is further sent chimes of doom by the described hummer that is attached thereto to described simulated sound integration module by the low level of pin 8 also picked up signal output terminal O.10s after object stops to move or walks out investigative range, described radar type detecting module 1 automatically resets, and described simulated sound and relay execution module 2 quit work.
Further optimization as described alarm, the adjustable resistance of 510K ohm can also be set between two sensitivity control end W-W of described radar type detecting module 1, change the detection sensitivity of this alarm: the detectable distance of this alarm is 2-7m, regulate according to actual needs, to prevent to disturb the generation misoperation.
In addition, between the light-operated end R and negative power end (earth terminal) of described radar type detecting module 1, photoresistance can also be set, automatically open or close by the different described alarms of illumination extent control: can make described alarm enter monitor state automatically, and close automatically by day at night.If need described alarm by day with night when all in the monitoring state, unsettled the getting final product of light-operated end R of this radar type detecting module 1.
In sum, radar type audible-visual annunciator described in the utility model, owing to used the radar type detecting module of TWH9250 type, its volume is with the matchbox size, innerly does program control processing by microcomputer chip, thereby working stability, highly sensitive, good reliability.Preferably, described radar type audible-visual annunciator, the distance that can in 2-7m, regulate detection range; Can also be equipped with photoresistance, the control alarm opens automatically or cuts out, and makes it all open monitoring night by day, or only enters monitor state at night.When the object distance tours antenna 5m left and right sides, this radar type detecting module can be triggered, and passes through its signal output part O to described simulated sound and relay execution module output low level; At this moment, relay K is triggered, and its normal opened contact K-1 closure makes alarm lamp be communicated with power supply and lights; Simultaneously, described simulated sound integration module is by pin 8 work that also is triggered, and sends chimes of doom by the hummer that is attached thereto.10s after object stops to move or walks out investigative range, described radar type detecting module automatically resets, and described simulated sound and relay execution module quit work.Therefore, radar type audible-visual annunciator working stability described in the utility model, highly sensitive, good reliability are reported to the police by sound, light, and the burglar is hung back.
Although content of the present utility model has been done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to restriction of the present utility model.After those skilled in the art have read foregoing, for multiple modification of the present utility model with to substitute all will be conspicuous.Therefore, protection domain of the present utility model should be limited to the appended claims.
Claims (9)
1. a radar type audible-visual annunciator is characterized in that, comprises:
Tours antenna, its outside launched microwave signal, and send low frequency signal during the echo that in receiving certain distance, is reflected by object;
Radar type detecting module (1), it is connected with described tours antenna, and is triggered by the low frequency signal that described tours antenna sends and to carry out work, and in its signal output part (O) output control signal;
Simulated sound and relay execution module (2), it is connected with the signal output part (O) of described radar type detecting module (1), and is driven by the control signal of described radar type detecting module (1), sends sound and light alarm.
2. radar type audible-visual annunciator according to claim 1 is characterized in that,
The model of described radar type detecting module (1) is TWH9250.
3. as radar type audible-visual annunciator as described in the claim 2, it is characterized in that,
Described tours antenna is the open type circle that bends formation with single core copper cash or enameled wire, and is connected with the antenna end (Y1, Y2) of described radar type detecting module (1) by parallel lead wire at its opening part.
4. as radar type audible-visual annunciator as described in the claim 2, it is characterized in that, also comprise:
Power module (3), it is connected respectively with relay execution module (2) with described simulated sound with described radar type detecting module (1), and the direct-current working volts of 9-12V are provided to the positive power source terminal (V+) of described radar type detecting module (1);
Described power module (3) is disposed with electric capacity in parallel and resistance as its step-down module, the rectifier bridge that is attached thereto, be connected the filter capacitor between the negative power end of the positive power source terminal (V+) of described radar type detecting module (1) and ground connection, and the voltage stabilizing diode in parallel with described filter capacitor.
5. as radar type audible-visual annunciator as described in the claim 4, it is characterized in that,
In described simulated sound and the relay execution module (2), comprise and connect the relay (K) of diode, it is arranged between the positive power source terminal (V+) and signal output part (O) of described radar type detecting module (1);
The normal opened contact (K-1) of described relay (K) is connected with an alarm lamp; When being output as low level, this normal opened contact (K-1) closure is communicated with the input end of described alarm lamp with the 220V AC power of described power module (3), and this alarm lamp is lighted at described signal output part (O).
6. as radar type audible-visual annunciator as described in the claim 5, it is characterized in that,
Also comprise the simulated sound integration module in described simulated sound and the relay execution module (2), it is connected with the signal output part (O) of described radar type detecting module (1), and trigger work when being output as low level at this signal output part (O), send chimes of doom to drive the hummer that is connected with this simulated sound integration module.
7. as radar type audible-visual annunciator as described in the claim 6, it is characterized in that,
The model of described simulated sound integration module is CW9561.
8. as radar type audible-visual annunciator as described in the claim 7, it is characterized in that,
Between two sensitivity control ends (W-W) that described radar type detecting module (1) is provided with, also be provided with the detection sensitivity that adjustable resistance changes this alarm;
Described alarm is to the detection range near object, by the resistance decision of described adjustable resistance.
9. as radar type audible-visual annunciator as described in the claim 8, it is characterized in that,
The light-operated end (R) that described radar type detecting module (1) is provided with, and select to be provided with photoresistance between the negative power end of its ground connection; Described photoresistance is controlled the automatic unlatching of described alarm according to different illumination degree or is closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201689475U CN202084123U (en) | 2011-05-25 | 2011-05-25 | Radar-type audible and visual alarm |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201689475U CN202084123U (en) | 2011-05-25 | 2011-05-25 | Radar-type audible and visual alarm |
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| CN202084123U true CN202084123U (en) | 2011-12-21 |
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| CN2011201689475U Expired - Fee Related CN202084123U (en) | 2011-05-25 | 2011-05-25 | Radar-type audible and visual alarm |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104933818A (en) * | 2015-07-12 | 2015-09-23 | 安徽科技学院 | ZigBee-based dormitory night acousto-optic vibration alarm system |
| CN105225407A (en) * | 2015-10-20 | 2016-01-06 | 张浩杰 | A kind of home security electronic monitoring and control system |
| CN107452179A (en) * | 2017-09-13 | 2017-12-08 | 广东电网有限责任公司阳江供电局 | A kind of Intelligent acousto-optic prompting mark system and its application process |
-
2011
- 2011-05-25 CN CN2011201689475U patent/CN202084123U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104933818A (en) * | 2015-07-12 | 2015-09-23 | 安徽科技学院 | ZigBee-based dormitory night acousto-optic vibration alarm system |
| CN105225407A (en) * | 2015-10-20 | 2016-01-06 | 张浩杰 | A kind of home security electronic monitoring and control system |
| CN107452179A (en) * | 2017-09-13 | 2017-12-08 | 广东电网有限责任公司阳江供电局 | A kind of Intelligent acousto-optic prompting mark system and its application process |
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Legal Events
| Date | Code | Title | Description |
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| 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: 20111221 Termination date: 20120525 |