CN112185049A - Security automatic control alarm system based on Internet of things and control method thereof - Google Patents

Abstract

The invention discloses an automatic security control alarm system based on the Internet of things and a control method thereof, wherein the automatic security control alarm system comprises the following steps: the smoke detection module interferes normal operation with electrons by monitoring the concentration of smoke; the temperature detection module converts the monitored real-time temperature into an output electric signal; the signal adjusting module performs adjusting operation on the fed-back monitoring signal; the signal amplification module amplifies the adjusted signal; the execution control module controls the operation of the sound-light alarm module and the signal transmitting module by receiving the change of the monitoring signal; the signal transmitting module transmits the feedback alarm instruction signal to a far end; the audible and visual alarm module enables the alarm LS1 to operate by acquiring a conduction instruction; the invention adopts an automatic monitoring, controlling and transmitting alarm system, can quickly respond to an alarm point and transmit an alarm signal to remote equipment.

Description

Security automatic control alarm system based on Internet of things and control method thereof

Technical Field

The invention relates to the technical field of intelligent buildings, in particular to an automatic security control alarm system based on the Internet of things and a control method thereof.

Background

The intelligent building optimally combines the structure, system, service and management of the building according to the requirements of users, thereby providing an efficient, comfortable and convenient humanized building environment for the users.

With the continuous progress of science and technology and the rapid development of social economy in China, modern buildings are continuously high-layered and complicated, security accidents frequently occur to cause huge casualties and economic losses, the awareness of people on safety and prevention is continuously enhanced, and the requirements on security control systems are higher and higher.

The traditional security control system is lack of intelligence, high in false alarm rate and low in security efficiency, and cannot meet national standards and requirements of people on the security control system, so that the research on the intelligent security control system has very important significance; the structure and the function of a security control system in the traditional security control system reach a certain level, but the structure and the function are gradually insufficient in the aspects of display intuition, control instantaneity and the like in the application of modern intelligent buildings.

Disclosure of Invention

The purpose of the invention is as follows: the utility model provides a security protection automatic control alarm system based on thing networking to solve above-mentioned problem.

The technical scheme is as follows: the utility model provides a security protection automatic control alarm system based on thing networking, includes:

the smoke detection module is used for interfering the normal operation of internal charged electrons by monitoring the concentration of smoke so as to change an output signal;

the temperature detection module is used for converting the monitored real-time temperature value into an output electric signal;

the signal adjusting module is used for adjusting and calculating monitoring signals fed back by the smoke detecting module and the temperature detecting module so as to ensure the stability of output signals;

the signal amplification module is used for amplifying the adjusted signal again to improve the quick response of the monitoring signal and reduce the delay consumption;

the execution control module is used for controlling the operation of the alarm system according to the change parameters of the received detection signals;

the signal transmitting module is used for receiving the alarm instruction signal fed back by the execution control module and transmitting the alarm instruction signal to the remote equipment;

and the audible and visual alarm module is used for receiving the conduction command fed back by the execution control module so as to enable the alarm LS1 to be electrically operated.

According to one aspect of the invention, the smoke detection module comprises an emergency power supply B1, a capacitor C1, a voltage stabilizer U1, a diode D4, a diode D1, a capacitor C2, a smoke sensor Y1, a variable resistor RV1, a resistor R1, a trigger U2 and a capacitor C3, wherein the positive end of the emergency power supply B1 is respectively connected with one end of the capacitor C1, a pin 1 of a voltage stabilizer U1, the positive end of an input power supply DC, a pin 2 of the smoke sensor Y1, one end of a resistor R1 and a pin 8 of a trigger U2; the negative end of the emergency power supply B1 is respectively connected with the other end of the capacitor C1, the negative end of the diode D1, a pin 3 of the smoke sensor Y1, the negative end of the input power supply DC, a pin 3 of the variable resistor RV1, one end of the capacitor C3 and a pin 1 of the trigger U2; the pin 2 of the voltage stabilizer U1 is respectively connected with the positive end of a diode D1 and one end of a capacitor C2; the other end of the capacitor C2 is respectively connected with a pin 3 of a voltage stabilizer U1 and a pin 1 of a smoke sensor Y1; pin 4 of the smoke sensor Y1 is connected with pin 2 of a variable resistor RV 1; pin 1 of the variable resistor RV1 is connected with pin 4 of a trigger U2; the other end of the resistor R1 is respectively connected with the pin 5 of the trigger U2 and the other end of the capacitor C3; and the pin 7 of the trigger U2 is connected with the positive end of a diode D4.

According to one aspect of the invention, the temperature detection module comprises a capacitor C4, a temperature sensor U3, a diode D5, a capacitor C3, a resistor R2, a capacitor C6, a resistor R3, a resistor R4, an operational amplifier U4 and a capacitor C9, wherein the positive end of the capacitor C4 is respectively connected with a pin 1 of the temperature sensor U3, the positive end of an emergency power supply B1, one end of a capacitor C1, a pin 1 of a voltage stabilizer U1, the positive end of an input power supply DC, a pin 2 of a smoke sensor Y1, one end of a resistor R1 and a pin 8 of a trigger U2; the negative end of the capacitor C4 is respectively connected with a pin 2 of a temperature sensor U3, a negative end of a capacitor C5, a negative end of a capacitor C6, one end of a capacitor C9, a negative end of an emergency power supply B1, the other end of a capacitor C1, a negative end of a diode D1, a pin 3 of a smoke sensor Y1, a negative end of an input power supply DC, a pin 3 of a variable resistor RV1, one end of a capacitor C3 and a pin 1 of a trigger U2; the pin 3 of the temperature sensor U3 is respectively connected with the positive end of a capacitor C5 and one end of a resistor R2; the other end of the resistor R2 is respectively connected with the positive end of the capacitor C6 and one end of the resistor R3; the other end of the resistor R3 is connected with a pin 3 of an operational amplifier U4; pin 7 of the operational amplifier U4 is connected with one end of a resistor R4; the other end of the resistor R4 is respectively connected with a pin 2 of an operational amplifier U4 and one end of a resistor R5; the other end of the resistor R5 is respectively connected with the negative electrode end of the diode D5 and the negative electrode end of the diode D4; and the positive end of the diode D5 is respectively connected with the pin 6 of the operational amplifier U4 and the other end of the capacitor C9.

According to one aspect of the invention, the signal conditioning module comprises an operational amplifier U5, a resistor R6, a resistor R7 and a capacitor C7, wherein the pin 3 of the operational amplifier U5 is connected with a ground line GND; the pin 2 of the operational amplifier U5 is respectively connected with one end of a resistor R6, one end of a resistor R7, the other end of a resistor R5, the negative electrode end of a diode D5 and the negative electrode end of a diode D4; the pin 6 of the operational amplifier U5 is respectively connected with the other end of the resistor R6 and the negative end of the capacitor C7; the positive end of the capacitor C7 is connected with the other end of the resistor R7; and a pin 7 of the operational amplifier U5 is respectively connected with a positive end of a capacitor C4, a pin 1 of a temperature sensor U3, a positive end of an emergency power supply B1, one end of a capacitor C1, a pin 1 of a voltage stabilizer U1, a positive end of an input power supply DC, a pin 2 of a smoke sensor Y1, one end of a resistor R1 and a pin 8 of a trigger U2.

According to one aspect of the invention, the signal amplification module comprises a resistor R8, a resistor R9, a diode D2, a diode D3 and an operational amplifier U6, wherein one end of the resistor R8 is respectively connected with a pin 6 of the operational amplifier U5, the other end of the resistor R6 and a negative end of a capacitor C7; the other end of the resistor R8 is respectively connected with a pin 2 of an operational amplifier U6, a resistor R9 and the positive end of a diode D2; the other end of the resistor R9 is respectively connected with the cathode end of the diode D3 and the ground wire GND; the negative end of the diode D2 is respectively connected with the positive end of the diode D3 and the pin 6 of the operational amplifier U6; pin 3 of the operational amplifier U6 is connected with a ground wire GND; the pin 7 of the operational amplifier U6 is respectively connected with the pin 7 of an operational amplifier U5, the positive terminal of a capacitor C4, the pin 1 of a temperature sensor U3, the positive terminal of an emergency power supply B1, one end of a capacitor C1, the pin 1 of a voltage stabilizer U1, the positive terminal of an input power supply DC, the pin 2 of a smoke sensor Y1, one end of a resistor R1 and the pin 8 of a trigger U2.

According to one aspect of the invention, the execution control module comprises a single chip microcomputer U7, a transistor X1, a capacitor C8, a capacitor C10, a switch SB1, a capacitor C11, a resistor R10 and a resistor R11, wherein a pin 19 of the single chip microcomputer U7 is respectively connected with a positive terminal of a capacitor C8 and a pin 2 of the transistor X1; the pin 1 of the transistor X1 is respectively connected with the pin 18 of the singlechip U7 and one end of a capacitor C10; the negative end of the capacitor C8 is respectively connected with the other end of the capacitor C10 and one end of the resistor R11; the other end of the resistor R11 is respectively connected with one end of a resistor R10 and a pin 9 of a singlechip U7; the other end of the resistor R10 is connected with one end of a capacitor C11; the other end of the capacitor C11 is connected with the other end of the switch SB1 and a pin 31 of the singlechip U7 respectively; and the pin 6 of the singlechip U7 is respectively connected with the cathode end of the diode D2, the anode end of the diode D3 and the pin 6 of the operational amplifier U6.

According to one aspect of the invention, the signal transmitting module comprises an inductor L1, a capacitor C12, a triode Q1, a resistor R12, a resistor R13, a capacitor C13, a transmitter U8 and a capacitor C14, wherein one end of the inductor L1 is respectively connected with one end of a capacitor C12 and a pin 10 of a singlechip U7; the other end of the inductor L1 is respectively connected with an emitter terminal of a triode Q1, a pin 4 of a transmitter U8 and a ground wire GND; the base terminal of the triode Q1 is connected with the other end of the capacitor C12; the collector terminal of the triode Q1 is respectively connected with one end of a resistor R12, one end of a resistor R13 and a pin 2 of a transmitter U8; the other end of the resistor R12 is respectively connected with the other end of the resistor R13, one end of the capacitor C13 and a pin 7 of the emitter U8; the other end of the capacitor C13 is connected with a ground wire GND; the pin 6 of the transmitter U8 is connected with one end of a capacitor C14; the other end of the capacitor C14 is connected to the OUTPUT port OUTPUT.

According to one aspect of the invention, the audible and visual alarm module comprises a resistor R15, a diode D6, a diode D7, a resistor R14, an alarm LS1, a triode Q2 and a resistor R16, wherein one end of the resistor R15 is respectively connected with one end of a resistor R14, one end of an alarm LS1, a pin 7 of an operational amplifier U6, a pin 7 of an operational amplifier U5, a positive end of a capacitor C4, a pin 1 of a temperature sensor U3, a positive end of an emergency power supply B1, one end of a capacitor C1, a pin 1 of a voltage stabilizer U1, a positive end of an input power supply DC, a pin 2 of a smoke sensor Y1, one end of a resistor R1 and a pin 8 of a trigger U; the other end of the resistor R15 is connected with the positive end of a diode D6; the negative end of the diode D6 is connected with a pin 35 of the singlechip U7; the other end of the resistor R14 is connected with the positive end of a diode D7; the negative end of the diode D7 is connected with a pin 36 of the singlechip U7; the other end of the alarm LS1 is connected with a collector terminal of a triode Q2; the base terminal of the triode Q2 is connected with one end of a resistor R16; the emitter terminal of the triode Q2 is connected with a ground wire GND; the other end of the resistor R16 is connected with a pin 37 of the singlechip U7.

According to one aspect of the invention, the capacitor C4, the capacitor C5, the capacitor C6, the capacitor C7 and the capacitor C8 are electrolytic capacitors; the type of the diode D1 is a voltage stabilizing diode; the types of the diode D6 and the diode D7 are both light-emitting diodes; the model of the triode Q1 and the model of the triode Q2 are both NPN; the smoke sensor Y1 is TAD-168; the model of the trigger U2 is NE 555; the temperature sensor U3 is LM35 in model number; the single chip microcomputer U7 model AT89C 51; the transmitter U8 is model UPC 1651.

According to one aspect of the invention, a control method of an automatic security control alarm system based on the Internet of things is characterized by comprising the following steps:

step 1, acquiring the concentration of smoke generated indoors through a smoke sensor Y1, so as to interfere the normal operation of internal charged electrons, further controlling the output of an output signal according to the change of the smoke concentration, adjusting the monitoring range through a variable resistor RV1 according to the change of a resistance value, further performing alarm prompt according to the smoke concentration, preventing open fire, and further transmitting the converted electric signal to a signal adjusting module;

step 2, the temperature detection module adopts a mode of parallel detection with the smoke detection module, so that independent operation is realized, detection signals are not interfered with each other, and different detection alarm effects are achieved, the temperature sensor U3 converts the monitored real-time temperature into an output electric signal, and the output electric signal is fed back to the signal adjustment module, so that the obtained signal is adjusted, the capacitor C4 compensates the temperature monitoring sensor, and further the stability of the signal is improved, and the capacitor C6 is connected in parallel in the detection circuit, so that the transmission of the detection signal is stabilized;

step 3, arranging a diode D4 and a diode D5 at the electric signal output ends of the smoke detection module and the temperature detection module, and limiting the reverse transmission of the electric signals by utilizing the unidirectional conductivity of the diodes to influence the operation of other detection circuits;

step 4, the signal regulating module receives the detection signals fed back by the shielding detection module and the temperature detection module, so that the fed-back monitoring signals are subjected to neutral regulation operation, the purpose of signal transmission is achieved, the capacitor C7 absorbs overvoltage in a peak state, and the resistor R7 consumes the energy of the overvoltage, so that the oscillation of the circuit is inhibited;

step 5, the signal amplification module performs operation amplification on the adjusted signal to improve the quick response of the monitoring signal, so that the detection signal is quickly transmitted to the execution control module, the operation of the alarm circuit is started, and the diode D2 limits the transmission direction of the signal to reduce the reverse loss;

step 6, the execution control module carries out real-time monitoring on the signal transmitted by the signal amplification module, when the received input electric signal changes, the set conduction path is started, the signal emission module and the acousto-optic alarm module operate, the transistor X1 can generate a highly stable signal to prevent the signal from floating when being interfered,

step 7, the signal transmitting module receives the alarm instruction signal fed back by the execution control module, so that the alarm signal is transmitted to the remote equipment, and the inductor L1 screens the interference signal in transmission, so that the stability of the alarm signal is improved;

and 8, the audible and visual alarm module enables the diode D6 and the diode D7 to be lightened by executing a signal conduction instruction fed back by the control module, and the triode Q2 enables the alarm LS1 to be connected with a ground wire end through the conduction instruction obtained by the base terminal end, so that operation starting voltage is obtained, and the alarm LS1 operates.

Has the advantages that: the invention designs a security protection automatic control alarm system based on the Internet of things and a control method thereof, which adopts a detector for intelligent smoke detection and composite temperature detection to acquire fire characteristic parameters, so that fire information is more accurate and reliable, a single chip microcomputer U7 is used as a security protection alarm controller and a security protection linkage controller of an intelligent security protection control system, a traditional common single chip microcomputer is replaced, the functions of security protection alarm and linkage are enhanced, a signal adjusting and signal amplifying circuit is adopted to adjust and amplify detected signals, and thus the transmission of the signals is stably adjusted; the alarm signal received by the singlechip U7 is transmitted through the signal transmitting module circuit, so that detection nodes of the intelligent security control system are networked, networking of the intelligent security control system is realized, and meanwhile, the reliability of the intelligent security control system is improved; two detection circuits formed by smoke detection and temperature detection are adopted to independently operate in a parallel connection mode, so that false alarm and false negative alarm of fire are reduced, and the normal operation of the alarm circuit can be guaranteed when the emergency power supply B1 is arranged at the power supply input end and the circuit is disconnected.

Drawings

Fig. 1 is a block diagram of the present invention.

FIG. 2 is a distribution diagram of the security automatic alarm system of the present invention.

Figure 3 is a circuit diagram of the smoke detection module of the present invention.

Fig. 4 is a circuit diagram of the temperature detection module of the present invention.

Fig. 5 is a circuit diagram of a signal conditioning module of the present invention.

Fig. 6 is a circuit diagram of a signal amplification module of the present invention.

Fig. 7 is a circuit diagram of a signal transmission module of the present invention.

FIG. 8 is a circuit diagram of the acousto-optic alarm module of the present invention.

Detailed Description

As shown in fig. 1, in this embodiment, an automatic security control alarm system based on the internet of things includes:

the smoke detection module is used for interfering the normal operation of internal charged electrons by monitoring the concentration of smoke so as to change an output signal;

the temperature detection module is used for converting the monitored real-time temperature value into an output electric signal;

the signal adjusting module is used for adjusting and calculating monitoring signals fed back by the smoke detecting module and the temperature detecting module so as to ensure the stability of output signals;

the signal amplification module is used for amplifying the adjusted signal again to improve the quick response of the monitoring signal and reduce the delay consumption;

the execution control module is used for controlling the operation of the alarm system according to the change parameters of the received detection signals;

the signal transmitting module is used for receiving the alarm instruction signal fed back by the execution control module and transmitting the alarm instruction signal to the remote equipment;

and the audible and visual alarm module is used for receiving the conduction command fed back by the execution control module so as to enable the alarm LS1 to be electrically operated.

In a further embodiment, as shown in fig. 3, the smoke detection module includes an emergency power supply B1, a capacitor C1, a voltage regulator U1, a diode D4, a diode D1, a capacitor C2, a smoke sensor Y1, a variable resistor RV1, a resistor R1, a trigger U2, and a capacitor C3.

In a further embodiment, the positive terminal of the emergency power supply B1 in the smoke detection module is respectively connected to one terminal of a capacitor C1, a pin 1 of a voltage regulator U1, a positive terminal of an input power supply DC, a pin 2 of a smoke sensor Y1, one terminal of a resistor R1, and a pin 8 of a flip-flop U2; the negative end of the emergency power supply B1 is respectively connected with the other end of the capacitor C1, the negative end of the diode D1, a pin 3 of the smoke sensor Y1, the negative end of the input power supply DC, a pin 3 of the variable resistor RV1, one end of the capacitor C3 and a pin 1 of the trigger U2; the pin 2 of the voltage stabilizer U1 is respectively connected with the positive end of a diode D1 and one end of a capacitor C2; the other end of the capacitor C2 is respectively connected with a pin 3 of a voltage stabilizer U1 and a pin 1 of a smoke sensor Y1; pin 4 of the smoke sensor Y1 is connected with pin 2 of a variable resistor RV 1; pin 1 of the variable resistor RV1 is connected with pin 4 of a trigger U2; the other end of the resistor R1 is respectively connected with the pin 5 of the trigger U2 and the other end of the capacitor C3; and the pin 7 of the trigger U2 is connected with the positive end of a diode D4.

In a further embodiment, as shown in fig. 4, the temperature detection module includes a capacitor C4, a temperature sensor U3, a diode D5, a capacitor C3, a resistor R2, a capacitor C6, a resistor R3, a resistor R4, an operational amplifier U4, and a capacitor C9.

In a further embodiment, the positive terminal of the capacitor C4 in the temperature detection module is respectively connected to the pin 1 of the temperature sensor U3, the positive terminal of the emergency power supply B1, one terminal of the capacitor C1, the pin 1 of the voltage regulator U1, the positive terminal of the input power supply DC, the pin 2 of the smoke sensor Y1, one terminal of the resistor R1, and the pin 8 of the trigger U2; the negative end of the capacitor C4 is respectively connected with a pin 2 of a temperature sensor U3, a negative end of a capacitor C5, a negative end of a capacitor C6, one end of a capacitor C9, a negative end of an emergency power supply B1, the other end of a capacitor C1, a negative end of a diode D1, a pin 3 of a smoke sensor Y1, a negative end of an input power supply DC, a pin 3 of a variable resistor RV1, one end of a capacitor C3 and a pin 1 of a trigger U2; the pin 3 of the temperature sensor U3 is respectively connected with the positive end of a capacitor C5 and one end of a resistor R2; the other end of the resistor R2 is respectively connected with the positive end of the capacitor C6 and one end of the resistor R3; the other end of the resistor R3 is connected with a pin 3 of an operational amplifier U4; pin 7 of the operational amplifier U4 is connected with one end of a resistor R4; the other end of the resistor R4 is respectively connected with a pin 2 of an operational amplifier U4 and one end of a resistor R5; the other end of the resistor R5 is respectively connected with the negative electrode end of the diode D5 and the negative electrode end of the diode D4; and the positive end of the diode D5 is respectively connected with the pin 6 of the operational amplifier U4 and the other end of the capacitor C9.

In a further embodiment, as shown in fig. 5, the signal conditioning module includes an operational amplifier U5, a resistor R6, a resistor R7, and a capacitor C7.

In a further embodiment, pin 3 of the operational amplifier U5 in the signal conditioning module is connected to ground GND; the pin 2 of the operational amplifier U5 is respectively connected with one end of a resistor R6, one end of a resistor R7, the other end of a resistor R5, the negative electrode end of a diode D5 and the negative electrode end of a diode D4; the pin 6 of the operational amplifier U5 is respectively connected with the other end of the resistor R6 and the negative end of the capacitor C7; the positive end of the capacitor C7 is connected with the other end of the resistor R7; and a pin 7 of the operational amplifier U5 is respectively connected with a positive end of a capacitor C4, a pin 1 of a temperature sensor U3, a positive end of an emergency power supply B1, one end of a capacitor C1, a pin 1 of a voltage stabilizer U1, a positive end of an input power supply DC, a pin 2 of a smoke sensor Y1, one end of a resistor R1 and a pin 8 of a trigger U2.

In a further embodiment, as shown in fig. 6, the signal amplifying module includes a resistor R8, a resistor R9, a diode D2, a diode D3, and an operational amplifier U6.

In a further embodiment, one end of the resistor R8 in the signal amplification module is respectively connected to the pin 6 of the operational amplifier U5, the other end of the resistor R6, and the negative terminal of the capacitor C7; the other end of the resistor R8 is respectively connected with a pin 2 of an operational amplifier U6, a resistor R9 and the positive end of a diode D2; the other end of the resistor R9 is respectively connected with the cathode end of the diode D3 and the ground wire GND; the negative end of the diode D2 is respectively connected with the positive end of the diode D3 and the pin 6 of the operational amplifier U6; pin 3 of the operational amplifier U6 is connected with a ground wire GND; the pin 7 of the operational amplifier U6 is respectively connected with the pin 7 of an operational amplifier U5, the positive terminal of a capacitor C4, the pin 1 of a temperature sensor U3, the positive terminal of an emergency power supply B1, one end of a capacitor C1, the pin 1 of a voltage stabilizer U1, the positive terminal of an input power supply DC, the pin 2 of a smoke sensor Y1, one end of a resistor R1 and the pin 8 of a trigger U2.

In a further embodiment, as shown in fig. 2, the execution control module includes a single chip microcomputer U7, a transistor X1, a capacitor C8, a capacitor C10, a switch SB1, a capacitor C11, a resistor R10, and a resistor R11.

In a further embodiment, the pin 19 of the single chip microcomputer U7 in the execution control module is respectively connected with the positive terminal of a capacitor C8 and the pin 2 of a transistor X1; the pin 1 of the transistor X1 is respectively connected with the pin 18 of the singlechip U7 and one end of a capacitor C10; the negative end of the capacitor C8 is respectively connected with the other end of the capacitor C10 and one end of the resistor R11; the other end of the resistor R11 is respectively connected with one end of a resistor R10 and a pin 9 of a singlechip U7; the other end of the resistor R10 is connected with one end of a capacitor C11; the other end of the capacitor C11 is connected with the other end of the switch SB1 and a pin 31 of the singlechip U7 respectively; and the pin 6 of the singlechip U7 is respectively connected with the cathode end of the diode D2, the anode end of the diode D3 and the pin 6 of the operational amplifier U6.

In a further embodiment, as shown in fig. 7, the signal transmitting module includes an inductor L1, a capacitor C12, a transistor Q1, a resistor R12, a resistor R13, a capacitor C13, a transmitter U8, and a capacitor C14.

In a further embodiment, one end of the inductor L1 in the signal transmitting module is respectively connected with one end of the capacitor C12 and the pin 10 of the single chip microcomputer U7; the other end of the inductor L1 is respectively connected with an emitter terminal of a triode Q1, a pin 4 of a transmitter U8 and a ground wire GND; the base terminal of the triode Q1 is connected with the other end of the capacitor C12; the collector terminal of the triode Q1 is respectively connected with one end of a resistor R12, one end of a resistor R13 and a pin 2 of a transmitter U8; the other end of the resistor R12 is respectively connected with the other end of the resistor R13, one end of the capacitor C13 and a pin 7 of the emitter U8; the other end of the capacitor C13 is connected with a ground wire GND; the pin 6 of the transmitter U8 is connected with one end of a capacitor C14; the other end of the capacitor C14 is connected to the OUTPUT port OUTPUT.

In a further embodiment, as shown in fig. 8, the sound and light alarm module includes a resistor R15, a diode D6, a diode D7, a resistor R14, an alarm LS1, a transistor Q2, and a resistor R16.

In a further embodiment, in the audible and visual alarm module, one end of the resistor R15 is connected to one end of a resistor R14, one end of an alarm LS1, a pin 7 of an operational amplifier U6, a pin 7 of an operational amplifier U5, a positive end of a capacitor C4, a pin 1 of a temperature sensor U3, a positive end of an emergency power supply B1, one end of a capacitor C1, a pin 1 of a voltage stabilizer U1, a positive end of an input power supply DC, a pin 2 of a smoke sensor Y1, one end of a resistor R1, and a pin 8 of a trigger U2, respectively; the other end of the resistor R15 is connected with the positive end of a diode D6; the negative end of the diode D6 is connected with a pin 35 of the singlechip U7; the other end of the resistor R14 is connected with the positive end of a diode D7; the negative end of the diode D7 is connected with a pin 36 of the singlechip U7; the other end of the alarm LS1 is connected with a collector terminal of a triode Q2; the base terminal of the triode Q2 is connected with one end of a resistor R16; the emitter terminal of the triode Q2 is connected with a ground wire GND; the other end of the resistor R16 is connected with a pin 37 of the singlechip U7.

In a further embodiment, the capacitor C4, the capacitor C5, the capacitor C6, the capacitor C7 and the capacitor C8 are electrolytic capacitors; the type of the diode D1 is a voltage stabilizing diode; the types of the diode D6 and the diode D7 are both light-emitting diodes; the model of the triode Q1 and the model of the triode Q2 are both NPN; the smoke sensor Y1 is TAD-168; the model of the trigger U2 is NE 555; the temperature sensor U3 is LM35 in model number; the single chip microcomputer U7 model AT89C 51; the transmitter U8 is model UPC 1651.

In a further embodiment, a control method of an automatic security control alarm system based on the internet of things is characterized by comprising the following steps:

step 1, acquiring the concentration of smoke generated indoors through a smoke sensor Y1, so as to interfere the normal operation of internal charged electrons, further controlling the output of an output signal according to the change of the smoke concentration, adjusting the monitoring range through a variable resistor RV1 according to the change of a resistance value, further performing alarm prompt according to the smoke concentration, preventing open fire, and further transmitting the converted electric signal to a signal adjusting module;

step 2, the temperature detection module adopts a mode of parallel detection with the smoke detection module, so that independent operation is realized, detection signals are not interfered with each other, and different detection alarm effects are achieved, the temperature sensor U3 converts the monitored real-time temperature into an output electric signal, and the output electric signal is fed back to the signal adjustment module, so that the obtained signal is adjusted, the capacitor C4 compensates the temperature monitoring sensor, and further the stability of the signal is improved, and the capacitor C6 is connected in parallel in the detection circuit, so that the transmission of the detection signal is stabilized;

step 3, arranging a diode D4 and a diode D5 at the electric signal output ends of the smoke detection module and the temperature detection module, and limiting the reverse transmission of the electric signals by utilizing the unidirectional conductivity of the diodes to influence the operation of other detection circuits;

step 4, the signal regulating module receives the detection signals fed back by the shielding detection module and the temperature detection module, so that the fed-back monitoring signals are subjected to neutral regulation operation, the purpose of signal transmission is achieved, the capacitor C7 absorbs overvoltage in a peak state, and the resistor R7 consumes the energy of the overvoltage, so that the oscillation of the circuit is inhibited;

step 5, the signal amplification module performs operation amplification on the adjusted signal to improve the quick response of the monitoring signal, so that the detection signal is quickly transmitted to the execution control module, the operation of the alarm circuit is started, and the diode D2 limits the transmission direction of the signal to reduce the reverse loss;

step 6, the execution control module monitors the signal transmitted by the signal amplification module in real time, and when the received input electric signal changes, the set conduction path is started, so that the signal emission module and the acousto-optic alarm module operate, and the transistor X1 can generate a highly stable signal to prevent the signal from floating when being interfered;

step 7, the signal transmitting module receives the alarm instruction signal fed back by the execution control module, so that the alarm signal is transmitted to the remote equipment, and the inductor L1 screens the interference signal in transmission, so that the stability of the alarm signal is improved;

and 8, the audible and visual alarm module enables the diode D6 and the diode D7 to be lightened by executing a signal conduction instruction fed back by the control module, and the triode Q2 enables the alarm LS1 to be connected with a ground wire end through the conduction instruction obtained by the base terminal end, so that operation starting voltage is obtained, and the alarm LS1 operates.

In summary, the present invention has the following advantages: the smoke detection module interferes normal operation of internal charged electrons by monitoring the concentration of smoke to change an output signal, the variable resistor RV1 adjusts a monitoring range according to the change of the resistance value, the capacitor C11 is connected in parallel in a circuit to store an input power supply, and the response speed of the voltage stabilizer U1 is improved when the voltage stabilizer is electrified; the real-time temperature monitored is converted into an output electric signal through the temperature detection module, the monitored temperature is compensated by using the capacitor C4, and therefore the stability of the signal is improved, and the capacitor C6 is connected in parallel in the detection circuit, so that the transmission of the detection signal is stabilized; the feedback monitoring signal is adjusted and calculated through a signal adjusting module, the overvoltage in a peak state is absorbed by a capacitor C7, and the energy of the overvoltage is consumed by a resistor R7, so that the oscillation of the circuit is inhibited; the adjusted signal is amplified through the signal amplification module, the quick response of the monitoring signal is improved, the diode D2 limits the transmission direction of the signal, and the loss of reverse transmission is reduced; the execution control module controls the operation of the sound-light alarm module and the signal transmitting module by receiving the change of the monitoring signal, and the transistor X1 can generate a highly stable signal to prevent the signal from floating when being interfered; then the feedback alarm instruction signal is transmitted to a far end through a signal transmitting module, an inductor L1 screens an interference signal in transmission, and a capacitor C13 is grounded to filter the transmission of the interference signal; the audible and visual alarm module obtains a conduction instruction through a base terminal of a triode Q2, so that an alarm LS1 is powered on to operate; thereby quickly responding to the alarm point and transmitting the alarm signal to the remote device.

It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. The invention is not described in detail in order to avoid unnecessary repetition.

Claims (9)

1. The utility model provides a security protection automatic control alarm system based on thing networking which characterized in that includes following module:

the smoke detection module is used for interfering the normal operation of internal charged electrons by monitoring the concentration of smoke so as to change an output signal;

the temperature detection module is used for converting the monitored real-time temperature value into an output electric signal;

the signal adjusting module is used for adjusting and calculating monitoring signals fed back by the smoke detecting module and the temperature detecting module so as to ensure the stability of output signals;

the signal amplification module is used for amplifying the adjusted signal again to improve the quick response of the monitoring signal and reduce the delay consumption;

the execution control module is used for controlling the operation of the alarm system according to the change parameters of the received detection signals;

the signal transmitting module is used for receiving the alarm instruction signal fed back by the execution control module and transmitting the alarm instruction signal to the remote equipment;

and the audible and visual alarm module is used for receiving the conduction command fed back by the execution control module so as to enable the alarm LS1 to be electrically operated.

2. The Internet of things-based automatic security control alarm system is characterized in that the smoke detection module comprises an emergency power supply B1, a capacitor C1, a voltage stabilizer U1, a diode D4, a diode D1, a capacitor C2, a smoke sensor Y1, a variable resistor RV1, a resistor R1, a trigger U2 and a capacitor C3, wherein the positive terminal of the emergency power supply B1 is respectively connected with one end of the capacitor C1, a pin 1 of the voltage stabilizer U1, the positive terminal of an input power supply DC, a pin 2 of the smoke sensor Y1, one end of the resistor R1 and a pin 8 of the trigger U2; the negative end of the emergency power supply B1 is respectively connected with the other end of the capacitor C1, the negative end of the diode D1, a pin 3 of the smoke sensor Y1, the negative end of the input power supply DC, a pin 3 of the variable resistor RV1, one end of the capacitor C3 and a pin 1 of the trigger U2; the pin 2 of the voltage stabilizer U1 is respectively connected with the positive end of a diode D1 and one end of a capacitor C2; the other end of the capacitor C2 is respectively connected with a pin 3 of a voltage stabilizer U1 and a pin 1 of a smoke sensor Y1; pin 4 of the smoke sensor Y1 is connected with pin 2 of a variable resistor RV 1; pin 1 of the variable resistor RV1 is connected with pin 4 of a trigger U2; the other end of the resistor R1 is respectively connected with the pin 5 of the trigger U2 and the other end of the capacitor C3; and the pin 7 of the trigger U2 is connected with the positive end of a diode D4.

3. The Internet of things-based security automatic control alarm system is characterized in that the temperature detection module comprises a capacitor C4, a temperature sensor U3, a diode D5, a capacitor C3, a resistor R2, a capacitor C6, a resistor R3, a resistor R4, an operational amplifier U4 and a capacitor C9, wherein the positive terminal of the capacitor C4 is respectively connected with a pin 1 of the temperature sensor U3, the positive terminal of an emergency power supply B1, one end of a capacitor C1, a pin 1 of a voltage stabilizer U1, the positive terminal of an input power supply DC, a pin 2 of a smoke sensor Y1, one end of a resistor R1 and a pin 8 of a trigger U2; the negative end of the capacitor C4 is respectively connected with a pin 2 of a temperature sensor U3, a negative end of a capacitor C5, a negative end of a capacitor C6, one end of a capacitor C9, a negative end of an emergency power supply B1, the other end of a capacitor C1, a negative end of a diode D1, a pin 3 of a smoke sensor Y1, a negative end of an input power supply DC, a pin 3 of a variable resistor RV1, one end of a capacitor C3 and a pin 1 of a trigger U2; the pin 3 of the temperature sensor U3 is respectively connected with the positive end of a capacitor C5 and one end of a resistor R2; the other end of the resistor R2 is respectively connected with the positive end of the capacitor C6 and one end of the resistor R3; the other end of the resistor R3 is connected with a pin 3 of an operational amplifier U4; pin 7 of the operational amplifier U4 is connected with one end of a resistor R4; the other end of the resistor R4 is respectively connected with a pin 2 of an operational amplifier U4 and one end of a resistor R5; the other end of the resistor R5 is respectively connected with the negative electrode end of the diode D5 and the negative electrode end of the diode D4; and the positive end of the diode D5 is respectively connected with the pin 6 of the operational amplifier U4 and the other end of the capacitor C9.

4. The Internet of things-based security automatic control alarm system according to claim 1, wherein the signal adjusting module comprises an operational amplifier U5, a resistor R6, a resistor R7 and a capacitor C7, wherein a pin 3 of the operational amplifier U5 is connected with a ground line GND; the pin 2 of the operational amplifier U5 is respectively connected with one end of a resistor R6, one end of a resistor R7, the other end of a resistor R5, the negative electrode end of a diode D5 and the negative electrode end of a diode D4; the pin 6 of the operational amplifier U5 is respectively connected with the other end of the resistor R6 and the negative end of the capacitor C7; the positive end of the capacitor C7 is connected with the other end of the resistor R7; and a pin 7 of the operational amplifier U5 is respectively connected with a positive end of a capacitor C4, a pin 1 of a temperature sensor U3, a positive end of an emergency power supply B1, one end of a capacitor C1, a pin 1 of a voltage stabilizer U1, a positive end of an input power supply DC, a pin 2 of a smoke sensor Y1, one end of a resistor R1 and a pin 8 of a trigger U2.

5. The Internet of things-based automatic security control alarm system according to claim 1, wherein the signal amplification module comprises a resistor R8, a resistor R9, a diode D2, a diode D3 and an operational amplifier U6, wherein one end of the resistor R8 is connected with a pin 6 of an operational amplifier U5, the other end of the resistor R6 and the negative end of a capacitor C7 respectively; the other end of the resistor R8 is respectively connected with a pin 2 of an operational amplifier U6, a resistor R9 and the positive end of a diode D2; the other end of the resistor R9 is respectively connected with the cathode end of the diode D3 and the ground wire GND; the negative end of the diode D2 is respectively connected with the positive end of the diode D3 and the pin 6 of the operational amplifier U6; pin 3 of the operational amplifier U6 is connected with a ground wire GND; the pin 7 of the operational amplifier U6 is respectively connected with the pin 7 of an operational amplifier U5, the positive terminal of a capacitor C4, the pin 1 of a temperature sensor U3, the positive terminal of an emergency power supply B1, one end of a capacitor C1, the pin 1 of a voltage stabilizer U1, the positive terminal of an input power supply DC, the pin 2 of a smoke sensor Y1, one end of a resistor R1 and the pin 8 of a trigger U2.

6. The Internet of things-based security automatic control alarm system is characterized in that the execution control module comprises a single chip microcomputer U7, a transistor X1, a capacitor C8, a capacitor C10, a switch SB1, a capacitor C11, a resistor R10 and a resistor R11, wherein a pin 19 of the single chip microcomputer U7 is respectively connected with a positive terminal of a capacitor C8 and a pin 2 of the transistor X1; the pin 1 of the transistor X1 is respectively connected with the pin 18 of the singlechip U7 and one end of a capacitor C10; the negative end of the capacitor C8 is respectively connected with the other end of the capacitor C10 and one end of the resistor R11; the other end of the resistor R11 is respectively connected with one end of a resistor R10 and a pin 9 of a singlechip U7; the other end of the resistor R10 is connected with one end of a capacitor C11; the other end of the capacitor C11 is connected with the other end of the switch SB1 and a pin 31 of the singlechip U7 respectively; and the pin 6 of the singlechip U7 is respectively connected with the cathode end of the diode D2, the anode end of the diode D3 and the pin 6 of the operational amplifier U6.

7. The Internet of things-based security automatic control alarm system is characterized in that the signal transmitting module comprises an inductor L1, a capacitor C12, a triode Q1, a resistor R12, a resistor R13, a capacitor C13, a transmitter U8 and a capacitor C14, wherein one end of the inductor L1 is connected with one end of a capacitor C12 and a pin 10 of a singlechip U7 respectively; the other end of the inductor L1 is respectively connected with an emitter terminal of a triode Q1, a pin 4 of a transmitter U8 and a ground wire GND; the base terminal of the triode Q1 is connected with the other end of the capacitor C12; the collector terminal of the triode Q1 is respectively connected with one end of a resistor R12, one end of a resistor R13 and a pin 2 of a transmitter U8; the other end of the resistor R12 is respectively connected with the other end of the resistor R13, one end of the capacitor C13 and a pin 7 of the emitter U8; the other end of the capacitor C13 is connected with a ground wire GND; the pin 6 of the transmitter U8 is connected with one end of a capacitor C14; the other end of the capacitor C14 is connected to the OUTPUT port OUTPUT.

8. The Internet of things-based automatic security control alarm system is characterized in that the audible and visual alarm module comprises a resistor R15, a diode D6, a diode D7, a resistor R14, an alarm LS1, a triode Q2 and a resistor R16, wherein one end of the resistor R15 is connected with one end of a resistor R14, one end of an alarm LS1, a pin 7 of an operational amplifier U6, a pin 7 of an operational amplifier U5, a positive end of a capacitor C4, a pin 1 of a temperature sensor U3, a positive end of an emergency power supply B1, one end of a capacitor C1, a pin 1 of a voltage stabilizer U1, a positive end of an input power supply DC, a pin 2 of a smoke sensor Y1, one end of a resistor R1 and a pin 8 of a trigger U2; the other end of the resistor R15 is connected with the positive end of a diode D6; the negative end of the diode D6 is connected with a pin 35 of the singlechip U7; the other end of the resistor R14 is connected with the positive end of a diode D7; the negative end of the diode D7 is connected with a pin 36 of the singlechip U7; the other end of the alarm LS1 is connected with a collector terminal of a triode Q2; the base terminal of the triode Q2 is connected with one end of a resistor R16; the emitter terminal of the triode Q2 is connected with a ground wire GND; the other end of the resistor R16 is connected with a pin 37 of the singlechip U7.

9. A control method of an automatic security control alarm system based on the Internet of things is characterized by comprising the following steps:

step 1, acquiring the concentration of smoke generated indoors through a smoke sensor Y1, so as to interfere the normal operation of internal charged electrons, further controlling the output of an output signal according to the change of the smoke concentration, adjusting the monitoring range through a variable resistor RV1 according to the change of a resistance value, further performing alarm prompt according to the smoke concentration, preventing open fire, and further transmitting the converted electric signal to a signal adjusting module;

step 2, the temperature detection module adopts a mode of parallel detection with the smoke detection module, so that independent operation is realized, detection signals are not interfered with each other, and different detection alarm effects are achieved, the temperature sensor U3 converts the monitored real-time temperature into an output electric signal, and the output electric signal is fed back to the signal adjustment module, so that the obtained signal is adjusted, the capacitor C4 compensates the temperature monitoring sensor, and further the stability of the signal is improved, and the capacitor C6 is connected in parallel in the detection circuit, so that the transmission of the detection signal is stabilized;

step 3, arranging a diode D4 and a diode D5 at the electric signal output ends of the smoke detection module and the temperature detection module, and limiting the reverse transmission of the electric signals by utilizing the unidirectional conductivity of the diodes to influence the operation of other detection circuits;

step 4, the signal regulating module receives the detection signals fed back by the shielding detection module and the temperature detection module, so that the fed-back monitoring signals are subjected to neutral regulation operation, the purpose of signal transmission is achieved, the capacitor C7 absorbs overvoltage in a peak state, and the resistor R7 consumes the energy of the overvoltage, so that the oscillation of the circuit is inhibited;

step 5, the signal amplification module performs operation amplification on the adjusted signal to improve the quick response of the monitoring signal, so that the detection signal is quickly transmitted to the execution control module, the operation of the alarm circuit is started, and the diode D2 limits the transmission direction of the signal to reduce the reverse loss;

step 6, the execution control module carries out real-time monitoring on the signal transmitted by the signal amplification module, when the received input electric signal changes, the set conduction path is started, the signal emission module and the acousto-optic alarm module operate, the transistor X1 can generate a highly stable signal to prevent the signal from floating when being interfered,

step 7, the signal transmitting module receives the alarm instruction signal fed back by the execution control module, so that the alarm signal is transmitted to the remote equipment, and the inductor L1 screens the interference signal in transmission, so that the stability of the alarm signal is improved;

and 8, the audible and visual alarm module enables the diode D6 and the diode D7 to be lightened by executing a signal conduction instruction fed back by the control module, and the triode Q2 enables the alarm LS1 to be connected with a ground wire end through the conduction instruction obtained by the base terminal end, so that operation starting voltage is obtained, and the alarm LS1 operates.

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