CN206649618U - Long-range multiselect alarm - Google Patents

Abstract

The utility model discloses a remote multi-choice alarm, which belongs to the field of security technology and includes a data acquisition module for collecting infrared signals and vibration signals, a single-chip microcomputer, a sound and light alarm module, a mobile communication module and a loudspeaker. The data acquisition module includes an infrared sensor Electric circuit and vibration sensing circuit, the data acquisition module is connected to the single-chip microcomputer, the output end of the single-chip microcomputer is connected to the sound and light alarm module, the single-chip microcomputer is connected to the mobile phone through the mobile communication module, and the mobile communication module is connected to the speaker through the power amplifier module for amplified sound, remote multiple selection The alarm is provided with a switch control circuit connected to the single chip microcomputer. The utility model solves the shortcoming of single alarm type and long uncontrolled alarm time of the alarm by setting multiple switches, a mobile communication module and a data acquisition module. You can also shout to the scene and other advantages.

Description

Remote multiple choice alarm

technical field

The utility model belongs to the field of security technology, in particular to a remote multi-choice alarm.

Background technique

Data collection and remote monitoring technology is the trend of modern information development, and it is also an important means to improve management level. The traditional anti-theft system can only send out an alarm sound, and its function is relatively single, so it cannot stop the theft in a timely and effective manner.

Due to the immaturity of the technology, in the actual use process, it often happens that the alarm will keep ringing once it is triggered. The alarm only emits an alarm sound, and cannot provide any help for the alarm number issued by the monitoring site. The sound of the siren deters the perpetrators at the scene, and has no substantial effect.

Contents of the invention

According to the deficiencies in the prior art above, the technical problem to be solved by the utility model is to propose a remote multi-choice alarm device. By arranging multi-switches and mobile communication modules in conjunction with data acquisition modules, the alarm types of the alarm device are single and the alarm time is solved. The shortcoming of being uncontrollable, it has the advantages that the user can dial, the alarm will automatically answer, realize the remote monitoring of the scene sound, and can also shout to the scene.

In order to solve the above-mentioned technical problems, the technical solution adopted in the utility model is: a remote multi-choice alarm, including a data acquisition module for collecting infrared signals and vibration signals, a single-chip microcomputer, an acousto-optic alarm module, a mobile communication module and a loudspeaker, data acquisition The module includes an infrared sensing circuit and a vibration sensing circuit. The data acquisition module is connected to the single-chip microcomputer. The output of the single-chip microcomputer is connected to the sound and light alarm module. The single-chip microcomputer is connected to the mobile phone through the mobile communication module. Sound, the remote multi-choice alarm is provided with a switch control circuit connected to the single-chip microcomputer, and the switch control circuit includes a reset switch K1, a call setting switch K2 and a function setting switch K3.

In the above device, the infrared sensing circuit includes an infrared human body sensing unit, resistors R7 and R8, and a triode Q1, the resistor R7 is connected between the infrared human body sensing unit and the collector of the triode Q1, the collector is connected to a single-chip microcomputer, and the resistor R8 is connected to Between the infrared human body sensing unit and the base of the triode Q1, the emitter of the triode Q1 and the ground terminal in the infrared human body sensing unit are grounded. The sound and light alarm module includes a sound alarm circuit composed of a resistor R9, a transistor Q2 and a buzzer LS1, and the sound alarm circuit is connected to the single-chip microcomputer through the resistor R9. The mobile communication module includes a SIM chip, an electrolytic capacitor C4, a diode D7 and a microphone BM, the No. 3 and No. 4 pins of the SIM chip are connected to the single-chip microcomputer, the No. 5 pin is connected to the power amplifier module, and the negative pole of the diode D7 is connected to the electrolytic capacitor C4 at the same time The positive pole of the SIM chip is connected to pin 1 of the SIM chip, and the microphone BM is connected between pin 6 and pin 8 of the SIM chip. The mobile communication module is connected with a microphone.

The beneficial effects of the utility model are: the remote multi-choice alarm provided by the utility model can realize vibration alarm, human body movement alarm, dual-purpose alarm and non-alarm as required, and after an alarm for 3 minutes (can be modified as required), the alarm will automatically Re-enter the control state. The main function is that when someone enters the alarm area within 10 meters, or the alarm has a slight vibration, it will send out an audible and visual alarm, and at the same time send a message to the user's mobile phone. The user can dial the number, and the alarm will answer automatically, so as to realize the remote monitoring of the on-site sound, and can also call out to the site. This product can be used for home anti-theft alarm, car anti-theft alarm, and can also cooperate with remote monitoring to realize unattended important places.

Description of drawings

The following is a brief description of the content expressed in the drawings of this specification and the marks in the drawings:

Fig. 1 is the working principle block diagram of the remote multi-choice alarm device of the specific embodiment of the present invention.

Fig. 2 is a schematic circuit diagram of an infrared sensing circuit according to a specific embodiment of the present invention.

Fig. 3 is the schematic circuit diagram of the single-chip microcomputer and the peripheral circuit of the specific embodiment of the present invention.

Fig. 4 is a schematic circuit diagram of the switch K1 according to the embodiment of the present invention.

Fig. 5 is a schematic circuit diagram of switches K2 and K3 according to a specific embodiment of the present invention.

Fig. 6 is a schematic circuit diagram of a light indicating circuit in a specific embodiment of the present invention.

Fig. 7 is a schematic circuit diagram of the sound alarm circuit of the specific embodiment of the present invention.

Fig. 8 is a schematic circuit diagram of a mobile communication module according to a specific embodiment of the present invention.

FIG. 9 is a schematic circuit diagram of a power amplification module according to a specific embodiment of the present invention.

detailed description

Below, referring to the accompanying drawings, through the description of the embodiments, the specific implementation of the present utility model, such as the shape and structure of each component involved, the mutual position and connection relationship between each part, the function and working principle of each part, and manufacturing The process, operation and use methods, etc. are further described in detail to help those skilled in the art have a more complete, accurate and in-depth understanding of the inventive concept and technical solutions of the present utility model.

As shown in Figure 1-9, a remote multi-choice alarm includes a data acquisition module, a single-chip microcomputer, an audible and visual alarm module, a mobile communication module, and a loudspeaker. The data acquisition module includes an infrared sensing circuit and a vibration sensing circuit. The module is connected to the single-chip microcomputer, and the output end of the single-chip microcomputer is connected to the sound and light alarm module. The switch control circuit includes a reset switch K1, a call setting switch K2 and a function setting switch K3. The utility model can be powered by 3 AA batteries, and can also be powered by other USB power sources such as mobile phone chargers and charging treasures.

The data acquisition module includes an infrared sensing circuit and a vibration sensing circuit. The infrared sensing circuit includes an infrared human body sensing unit U1, resistors R7 and R8, and a transistor Q1. The resistor R7 is connected between the infrared human body sensing unit U1 and the collector of the triode Q1. , the collector is connected to the microcontroller, the resistor R8 is connected between the infrared human body sensing unit and the base of the triode Q1, and the emitter of the triode Q1 and the ground terminal in the infrared human body sensing unit are grounded. The shock sensor circuit is provided with a shock sensor connected to the No. 15 pin of the single chip microcomputer. When someone enters the alarm area, the infrared human body sensing unit outputs a high level, the switch transistor Q1 is turned on, and the RSD pin of the infrared sensing circuit outputs a low level, and the operation of the alarm program is controlled by pin 25 of the single-chip microcomputer. The circuit diagram is shown in Figure 2 . When there is a slight vibration, the vibration sensing circuit outputs a high level, and the alarm program is controlled by pin 15 of the single-chip microcomputer to run.

The single-chip microcomputer adopts the minimum system of STC89C52 chip and 11.0592MH crystal oscillator. K1 is a reset switch; K2 is a call setting switch, which is used to control whether the alarm can make a call; K3 is a function setting switch, and pressing the switch realizes the cycle selection of human body infrared alarm, vibration alarm, double alarm and no alarm state; K1 , K2 and K3 are respectively connected to pins 9, 13 and 14 of the microcontroller. The 25 pins and 15 pins of the microcontroller are respectively connected to the infrared sensing circuit and the vibration sensing circuit, which are the input terminals of the human body induction signal and the vibration signal, and are used to control the operation of the internal program; the 35 pins are connected to the sound alarm circuit, which is the sound alarm output end; the single chip microcomputer The 10 pins and 11 pins of the mobile communication module are connected to the mobile communication module, which are data exchange pins, and are used to send call and message work commands to the mobile communication module. The circuit diagram is shown in Figure 3.

The sound and light alarm module includes a sound alarm circuit and a light indicator circuit. The sound alarm circuit is connected with a resistor R9, a transistor Q2 and a buzzer LS1. The sound alarm circuit is connected to the microcontroller through the resistor R9, and the other end of the resistor R9 is connected to the transistor Q2. On the base, the collector is grounded, the emitter is connected to one end of the buzzer, and the other end of the buzzer is connected to a 5V power supply. When the microcontroller receives an alarm signal, its pin 35 outputs a high level, the switch transistor Q2 is turned on, and the buzzer LS1 has a current passing through it and beeps. Its circuit diagram is shown in Figure 7. There are indicator lights D1, D2, D3, D4, D5 and D6 in the light indicating circuit, and the indicator lights D1, D2 and D3 respectively indicate the status of human body infrared alarm, vibration alarm and linkage alarm; if all three lights are off, it means The alarm does not alarm, and the indicator lights D4, D5 and D6 are alarm light indication, call status indication and power indication respectively, and its circuit diagram is shown in Figure 6.

The mobile communication module includes a SIM chip, an electrolytic capacitor C4, a diode D7 and a microphone BM. Pins 3 and 4 of the SIM chip are connected to pins 10 and 11 of the microcontroller, pin 5 is connected to the power amplifier module, and the diode D7 The negative pole of the diode D7 is connected to the positive pole of the electrolytic capacitor C4 and the No. 1 pin of the SIM chip at the same time, the positive pole of the diode D7 is connected to the 5V power supply, and the microphone BM is connected between the No. 6 and No. 8 pins of the SIM chip. The 5V power supply voltage is stepped down by diode D7 to 4.3V to provide power for the GMS mobile communication module. Large capacitor C4 is for module filtering; pins 3 and 4 are data exchange segments for receiving work commands from the microcontroller, pin 6 is connected to the microphone BM, and pin 5 is for receiving audio, which is sent to the input of the power amplifier , the specific circuit diagram is shown in Figure 8. When the alarm device receives the alarm signal, the single-chip microcomputer sends a command to the mobile communication module to make it send the mobile phone information to the designated user, and the user dials the number of the alarm device, which can automatically answer, so as to realize monitoring and communication.

The medium power amplifying module of the utility model is a 3W digital power amplifier U4, and the audio frequency is input by the No. 5 pin of the mobile communication module, and the mobile communication module is connected with a microphone, which is sent to the loudspeaker by the output end after being amplified, so as to realize hands-free Call, the specific circuit diagram is shown in Figure 9.

When in use, turn on the power switch, the system enters a 15-second start-up phase, and the power indicator light flashes at this time; when the power indicator light stops blinking and stays on, it indicates that the system startup is complete and starts to work. At this time, the default is no alarm or call state. Press the K1 switch, the single-chip microcomputer resets, and repeat the above process; press the K2 switch, the call and non-call states are set cyclically, indicated by the on and off of the indicator light D5; press the K3 switch, and the human body infrared alarm, vibration alarm, linkage alarm and no alarm are selected cyclically The state is indicated by the D1, D2 and D3 indicator lights; if the three lights are not on, it means no alarm.

When the product receives an alarm signal, the D5 indicator lights up, the buzzer sounds, and at the same time sends a message to the user's mobile phone; if the call switch is turned on, the user can make a call, and the alarm automatically answers, realizing remote monitoring and calling. Since the microphone of the alarm is set to the highest sensitivity, and the sound of the earpiece is amplified by power, within the range of 100 square meters, the monitoring is clear, the sound is loud, and the call is smooth. After the alarm alarms once, it will automatically resume the alarm state after a delay of 3 minutes and start working again.

The utility model has been exemplarily described above in conjunction with the accompanying drawings. Obviously, the specific implementation of the utility model is not limited by the above-mentioned methods, as long as various insubstantial improvements are made by adopting the method concept and technical solutions of the utility model, or Directly applying the ideas and technical solutions of the utility model to other occasions without improvement is within the protection scope of the utility model. The protection scope of the present utility model should be determined by the protection scope defined in the claims.

Claims (5)

1. A kind of 1. long-range multiselect alarm, it is characterised in that the data acquisition module including collection infrared signal and vibration signal, Single-chip microcomputer, sound and light alarm module, mobile communication module and loudspeaker, data acquisition module includes infrared sensing circuit and vibrations pass Inductive circuit, data acquisition module connection single-chip microcomputer, the output end connection sound and light alarm module of single-chip microcomputer, single-chip microcomputer passes through mobile logical Believe module connection mobile phone, mobile communication module connects sound of the loudspeaker for sending amplification by power amplifier module, remotely The ON-OFF control circuit being connected on single-chip microcomputer is provided with multiselect alarm, ON-OFF control circuit includes reset switch K1, call Switch K2 and function setting switch K3 is set.
2. 2. long-range multiselect alarm according to claim 1, it is characterised in that the infrared sensing circuit includes infrared people Body sensing unit, resistance R7, resistance R8 and triode Q1, resistance R7 are connected to infrared human body sensing unit and triode Q1 collection Between electrode, colelctor electrode connection single-chip microcomputer, resistance R8 is connected between infrared human body sensing unit and triode Q1 base stage, and three Earth terminal ground connection in pole pipe Q1 emitter stage and infrared human body sensing unit.
3. 3. long-range multiselect alarm according to claim 1, it is characterised in that the sound and light alarm module includes resistance R9, triode Q2 and buzzer LS1 compositions audible alarm circuit, audible alarm circuit are connected to single-chip microcomputer by resistance R9 On.
4. 4. long-range multiselect alarm according to claim 1, it is characterised in that the mobile communication module includes SIM cores Piece, electrochemical capacitor C4, diode D7 and microphone BM, No. 3 of SIM chip connect single-chip microcomputer with No. 4 pins, and No. 5 pins connect work( Rate amplification module, diode D7 negative pole connect electrochemical capacitor C4 positive pole and No. 1 pin of SIM chip simultaneously, and microphone BM connects No. 6 of SIM chip are connected between No. 8 pins.
5. 5. long-range multiselect alarm according to claim 1, it is characterised in that the mobile communication module, which is connected with, send words Device.