CN112185037A - Garage security control alarm system based on Internet of things and control method thereof - Google Patents

Garage security control alarm system based on Internet of things and control method thereof Download PDF

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Publication number
CN112185037A
CN112185037A CN202010866741.3A CN202010866741A CN112185037A CN 112185037 A CN112185037 A CN 112185037A CN 202010866741 A CN202010866741 A CN 202010866741A CN 112185037 A CN112185037 A CN 112185037A
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China
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pin
resistor
capacitor
operational amplifier
diode
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CN202010866741.3A
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Chinese (zh)
Inventor
陈勇
李隽诗
刘红明
张军
王宏明
吕太之
陆勇
徐钊
王磊
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Jiangsu Yiyuan Industrial Big Data Platform Co ltd
Nanjing Xiechuang Zhongchuang Space Co ltd
Nanjing Yiting Internet Of Things Technology Co ltd
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Jiangsu Yiyuan Industrial Big Data Platform Co ltd
Nanjing Xiechuang Zhongchuang Space Co ltd
Nanjing Yiting Internet Of Things Technology Co ltd
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Application filed by Jiangsu Yiyuan Industrial Big Data Platform Co ltd, Nanjing Xiechuang Zhongchuang Space Co ltd, Nanjing Yiting Internet Of Things Technology Co ltd filed Critical Jiangsu Yiyuan Industrial Big Data Platform Co ltd
Priority to CN202010866741.3A priority Critical patent/CN112185037A/en
Priority to PCT/CN2020/111746 priority patent/WO2022041049A1/en
Publication of CN112185037A publication Critical patent/CN112185037A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B7/00Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
    • G08B7/06Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00Burglar, theft or intruder alarms
    • G08B13/16Actuation by interference with mechanical vibrations in air or other fluid
    • G08B13/1654Actuation by interference with mechanical vibrations in air or other fluid using passive vibration detection systems
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00Burglar, theft or intruder alarms
    • G08B13/22Electrical actuation

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Alarm Systems (AREA)

Abstract

The invention discloses a garage security control alarm system based on the Internet of things and a control method thereof, wherein the garage security control alarm system comprises the following steps: the device comprises a radio frequency photoelectric detection module, a noise detection module, a gas detection module, a signal conditioning module, a signal processing module and an audible and visual alarm module, wherein the radio frequency photoelectric detection module absorbs photon energy through light irradiation on an object so as to generate an electric effect; the noise detection module collects the garage environment sound and then transmits the garage environment sound to the signal adjustment module; the gas detection module converts the detected gas integral number into an electric signal and then transmits the electric signal to the signal adjustment module; the signal adjusting module converts the detected signal into an output signal; the signal processing module filters out mixed noise and interference by weakening redundant frequency bands in the signals; the sound-light alarm module receives an electric signal through a base terminal of the triode Q2, controls the operation of the alarm circuit, further adopts the mode of the Internet of things, and monitors the garage safety protection in multiple directions.

Description

Garage security control alarm system based on Internet of things and control method thereof
Technical Field
The invention relates to the technical field of security, in particular to a garage security control alarm system based on the Internet of things and a control method thereof.
Background
The security system plays an extremely important role in the management and safety precaution work of the property of the residential community, and is a key component element of a residential community control system.
The traditional security alarm circuit needs to be wired and wired in practical application, is limited by fields and the like, is difficult to construct, cannot meet the development requirement of a modern security alarm system, and in recent years, a plurality of wireless security alarms based on short-distance wireless technologies such as ZigBee and Wi-Fi appear, but the wireless coverage range is small, so that the wide-range wiring application of the security alarm system is difficult.
All security systems need to adopt an auxiliary power supply with certain power, which is usually supplied by an alternating current power supply, so that the system cost and the installation space are increased, and once the power supply is cut off, the security function of the whole system is completely lost.
Disclosure of Invention
The purpose of the invention is as follows: the utility model provides a garage security protection control alarm system based on thing networking to solve above-mentioned problem.
The technical scheme is as follows: the utility model provides a garage security protection control alarm system based on thing networking, includes:
the radio frequency photoelectric detection module is used for absorbing the energy of photons on an object through light irradiation, further generating an electric effect and changing the transmission of electric signals;
the noise detection module is used for collecting the sound generated by the garage environment, converting the received sound into an electric signal and then transmitting the detected electric signal to the signal adjustment module;
the gas detection module is used for converting the detected gas integral number into an electric signal and transmitting the converted electric signal to the signal adjustment module;
the signal conditioning module is used for converting detection signals fed back by the radio frequency photoelectric detection module, the noise detection module and the gas detection module into output signals;
the signal processing module is used for filtering out mixed noise and interference from redundant frequency bands in the electric signals transmitted by the weakening signal adjusting module;
and the sound-light alarm module is used for receiving the conduction instruction fed back by the signal processing module and the radio frequency photoelectric detection module and controlling the operation of the alarm circuit according to the change of the detection signal.
According to one aspect of the invention, the radio frequency photoelectric detection module comprises a radio frequency sensor S1, a capacitor C1, a variable resistor RV1, an operational amplifier U1, a resistor R1, a triode Q1, a diode D1, a lithium battery B1, a normally open contact SB and a relay J1, wherein a pin 1 of the radio frequency sensor S1 is respectively connected with the capacitor C1, an input power supply +24V, a pin 2 of the variable resistor RV1, a pin 7 of the operational amplifier U1, a negative electrode end of the diode D1, one end of the relay J1, one end of the normally open contact SB and a positive electrode end of the lithium battery B1; the pin 2 of the radio frequency sensor S1 is connected with the pin 3 of an operational amplifier U1; the pin 3 of the radio frequency sensor S1 is respectively connected with the pin 3 of a variable resistor RV1, the pin 4 of an operational amplifier U1, the emitter terminal of a triode Q1 and the cathode terminal of a lithium battery B1; the other end of the capacitor C1 is connected with a ground wire GND; pin 1 of the variable resistor RV1 is connected with pin 2 of an operational amplifier U1; pin 6 of the operational amplifier U1 is connected with one end of a resistor R1; the other end of the resistor R1 is connected with the base terminal of a triode Q1; and the collector terminal of the triode Q1 is respectively connected with the positive terminal of the diode D1 and the other terminal of the relay J1.
According to one aspect of the invention, the noise detection module comprises a sound pick-up T1, a resistor R2, a lithium battery B2, a resistor R3, a capacitor C2, a resistor R4, a capacitor C3, a resistor R5, an operational amplifier U2, a capacitor C4, a resistor R6, a diode D7, a diode D3 and a diode D4, wherein a pin 1 of the sound pick-up T1 is respectively connected with one end of the resistor R2, a positive end of the lithium battery B2, a pin 7 of the operational amplifier U2, a negative end of the diode D7 and a positive end of the capacitor C4; pin 2 of the sound pickup T1 is respectively connected with the negative electrode end of the lithium battery B2 and the ground wire GND; the other end of the resistor R2 is connected with one end of a resistor R3; the other end of the resistor R3 is respectively connected with one end of a resistor R4 and one end of a capacitor C2; the other end of the capacitor C2 is respectively connected with a pin 6 of an operational amplifier U2, the positive terminal of a diode D3 and one end of a resistor R6; the other end of the resistor R4 is respectively connected with one end of a capacitor C3 and a pin 3 of an operational amplifier U2; the other end of the capacitor C3 is respectively connected with a pin 4 of an operational amplifier U2 and a ground wire GND; the pin 2 of the operational amplifier U2 is respectively connected with one end of a resistor R5 and the other end of a resistor R6; the other end of the resistor R5 is connected with a ground wire GND; the negative end of the capacitor C4 is connected with a ground wire GND; the negative terminal of the diode D3 is connected with the negative terminal of the diode D4.
According to one aspect of the invention, the gas detection module comprises a gas sensor K1, a variable resistor RV2, a resistor R8, a variable resistor RV3, a lithium battery B3, a resistor R7, a lamp LED1, a transistor X1, a trigger U6, a resistor R10 and a resistor R11, wherein a pin 1 of the gas sensor K1 is respectively connected with a pin 2 and a pin 1 of the variable resistor RV2, a positive terminal of the lithium battery B3, one end of the resistor R7, a pin 8 of the trigger U6 and one end of the resistor R10; pin 4 of the gas sensor K1 is connected with pin 3 of a variable resistor RV 2; the pin 3 of the gas sensor K1 is respectively connected with the pin 2 of a variable resistor RV3, the pin 1 and one end of a resistor R9; the pin 2 of the gas sensor K1 is connected with one end of a resistor R8; the other end of the resistor R8 is respectively connected with the other end of the resistor R9, the negative electrode end of the lithium battery B3, a pin 2 of a transistor X1, a pin 1 and a pin 6 of a trigger U6, one end of a resistor R11 and a ground wire GND; the pin 3 of the variable resistor RV3 is respectively connected with the pin 5 of a trigger U6 and the positive end of a diode D4; the other end of the resistor R7 is connected with the positive end of the lamp LED 1; the negative terminal of the lamp LED1 is respectively connected with a pin 2 of a trigger U6 and a pin 1 of a transistor X1; the other end of the resistor R11 is respectively connected with the other end of the resistor R10 and a pin 7 of the trigger U6.
According to one aspect of the invention, the signal adjusting module comprises a diode D5, a diode D2, a resistor R12, a capacitor C6, a capacitor C5, an operational amplifier U3, a resistor R13, an operational amplifier U4 and a resistor R14, wherein the positive terminal of the diode D5 is respectively connected with a pin 1 of a radio frequency sensor S1, a capacitor C1, an input power supply +24V, a pin 2 of a variable resistor RV1, a pin 7 of the operational amplifier U1, the negative terminal of the diode D1, one end of a relay J1, one end of a normally open contact SB and the positive terminal of a lithium battery B1; the negative end of the diode D5 is respectively connected with the positive end of a diode D7, a pin 7 of an operational amplifier U3 and a pin 7 of an operational amplifier U4; the positive end of the diode D2 is respectively connected with a pin 2 of a radio frequency sensor S1 and a pin 3 of an operational amplifier U1; the negative end of the diode D2 is respectively connected with one end of the resistor R12, the negative end of the diode D3 and the negative end of the diode D4; the other end of the resistor R12 is respectively connected with a pin 3 of an operational amplifier U3 and the positive end of a capacitor C5; the pin 2 of the operational amplifier U3 is connected with the positive end of a capacitor C6; the negative end of the capacitor C6 is connected with a ground wire GND; the pin 4 of the operational amplifier U3 is respectively connected with the pin 4 of the operational amplifier U4 and the ground wire GND; the negative end of the capacitor C5 is respectively connected with a pin 6 of an operational amplifier U3 and one end of a resistor R13; the other end of the resistor R13 is connected with a pin 3 of an operational amplifier U4; pin 2 of the operational amplifier U4 is respectively connected with one end of a resistor R14 and a ground wire GND; the other end of the resistor R14 is connected with pin 6 of an operational amplifier U4.
According to one aspect of the invention, the signal processing module comprises a triode Q3, a resistor R18, a resistor R16, a resistor R17, a capacitor C7, a capacitor C8, a diode D8, an operational amplifier U5, a capacitor C9, a capacitor C10 and a diode D6, wherein the base terminal of the triode Q3 is respectively connected with one end of the resistor R18, the other end of the resistor R14 and a pin 6 of the operational amplifier U4; the collector terminal of the triode Q3 is respectively connected with the other end of the resistor R18, one end of the resistor R16 and one end of the resistor R17; the emitter terminal of the triode Q3 is respectively connected with the cathode terminal of the capacitor C8 and the ground wire GND; the other end of the resistor R16 is respectively connected with the positive end of a capacitor C7, the negative end of a diode D8, a pin 7 of an operational amplifier U5, the positive end of a diode D6, the negative end of a diode D5, the positive end of a diode D7, a pin 7 of an operational amplifier U3 and a pin 7 of an operational amplifier U4; the negative end of the capacitor C7 is connected with a ground wire GND; the positive end of the diode D8 is connected with the ground wire GND; the negative end of the diode D6 is respectively connected with a pin 1 of a gas sensor K1, a pin 2 and a pin 1 of a variable resistor RV2, the positive end of a lithium battery B3, one end of a resistor R7, a pin 8 of a trigger U6 and one end of a resistor R10; the other end of the resistor R17 is respectively connected with a pin 3 of an operational amplifier U5; the pin 2 of the operational amplifier U5 is respectively connected with the positive end of a capacitor C8 and one end of a capacitor C9; the other end of the capacitor C9 is connected with the pin 6 of the operational amplifier U5 and the other end of the capacitor C10 respectively; the capacitor C10 is connected with the emitter Y1.
According to one aspect of the invention, the audible and visual alarm module comprises a triode Q2, a resistor R15, a lamp LED2, a lamp LED3 and a loudspeaker LS1, wherein one end of the resistor R15 is respectively connected with a pin 3 of a U6 of a trigger, the other end of a capacitor C9, a pin 6 of an operational amplifier U5 and the other end of a capacitor C10; the other end of the resistor R15 is connected with the base terminal of a triode Q2; the collector terminal of the triode Q2 is respectively connected with the cathode terminal of a diode D6, a pin 1 of a gas sensor K1, a pin 2 and a pin 1 of a variable resistor RV2, the anode terminal of a lithium battery B3, one end of a resistor R7, a pin 8 of a trigger U6 and one end of a resistor R10; the emitter terminal of the triode Q2 is respectively connected with one end of a loudspeaker LS1, the positive terminal of a lamp LED2, the positive terminal of a lamp LED3 and the other end of a normally open contact SB; the other end of the loudspeaker LS1 is respectively connected with the negative terminal of the lamp LED3, the negative terminal of the lamp LED2 and the ground wire GND.
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 diode D1, the diode D5, the diode D6, the diode D7 and the diode D8 are all zener diodes; the model of the triode Q1, the model of the triode Q2 and the model of the triode Q3 are NPN; the pickup T1 is TS-806A; the model of the radio frequency sensor S1 is BPW20 RF; the model of the gas sensor K1 is MC 105; the trigger U6 is model 555.
According to one aspect of the invention, a control method of a garage security control alarm system based on the Internet of things is characterized by comprising the following steps;
step 1, a radio frequency sensor S1 absorbs photon energy through light irradiation on an object, an electric effect is generated, electric signal transmission is changed according to the change of the photon energy, a triode Q1 is in a conducting state, a relay J1 is powered on, an adsorption normally open contact SB is closed, a loudspeaker LS1, a lamp LED2 and a lamp LED3 are powered on to operate, and potential safety hazards appearing in a garage area are prompted;
step 2, collecting sound generated by the garage environment through a sound pickup T1, converting a received sound signal into an electric signal, further controlling a transmission path of the electric signal according to a frequency band of the received sound, and then transmitting a conducted detection electric signal to a signal adjusting module;
step 3, the detected gas integral number is converted into an electric signal through the gas sensor K1, the converted electric signal is transmitted to the signal adjusting module, the trigger U6 provides data with integrity for programmers and data analysts, the data can be forcibly checked or converted before being written into a data table, when the trigger U6 has an error, the result of the transaction is cancelled, and partial database management systems can replace the instruction of the transaction aiming at data definition, so that the safety of the detection system is ensured;
step 4, converting detection signals fed back by the radio frequency photoelectric detection module, the noise detection module and the gas detection module into output signals, adjusting the primarily received electric signals, and filtering interference wave bands generated in signal conversion through a capacitor C6;
step 5, weakening the preliminarily adjusted electric signal again, so that the filtering signal adjusting module transmits redundant frequency bands in the electric signal, filters out mixed noise and interference signals, adjusts the output quality of the electric signal and improves the response speed of the electric signal;
and 6, receiving feedback conduction instructions of the signal processing module and the radio frequency photoelectric detection module, performing response control, and conducting the triode Q2 according to the change of the detection signal so as to achieve the alarm prompting effect.
Has the advantages that: the invention designs a garage security control alarm system based on the Internet of things and a control method thereof, information of a garage is acquired by a radio frequency photoelectric detection module, a noise detection module and a gas detection module which are connected in parallel, the detection modules can independently operate in a parallel mode so as to reduce mutual influence, the detection modules also utilize the one-way conductivity of a diode D2, a diode D3 and a diode D4 to limit the transmission direction of each detection signal and prevent the detection signals from influencing other operation modules, an independent emergency power supply is arranged in each detection module, once the power supply is cut off, the normal operation of the security alarm system is ensured, the security monitoring is realized, a plurality of detection sensors are arranged in the garage security alarm system, the wiring range and the construction difficulty are reduced, and then the operation of an alarm circuit is realized, and the alarm signal is transmitted to the remote monitoring equipment, so that a fault point is prompted in time, and the safety of the vehicle is guaranteed.
Drawings
Fig. 1 is a block diagram of the present invention.
FIG. 2 is a distribution diagram of a security control alarm circuit of the present invention.
Fig. 3 is a circuit diagram of the rf photodetection module according to the present invention.
Fig. 4 is a circuit diagram of a noise detection module of the present invention.
FIG. 5 is a circuit diagram of a gas detection module of the present invention.
Fig. 6 is a circuit diagram of a signal conditioning module of the present invention.
FIG. 7 is a circuit diagram of the gas signal processing 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 internet of things-based garage security control alarm system includes:
the radio frequency photoelectric detection module is used for absorbing the energy of photons on an object through light irradiation, further generating an electric effect and changing the transmission of electric signals;
the noise detection module is used for collecting the sound generated by the garage environment, converting the received sound into an electric signal and then transmitting the detected electric signal to the signal adjustment module;
the gas detection module is used for converting the detected gas integral number into an electric signal and transmitting the converted electric signal to the signal adjustment module;
the signal conditioning module is used for converting detection signals fed back by the radio frequency photoelectric detection module, the noise detection module and the gas detection module into output signals;
the signal processing module is used for filtering out mixed noise and interference from redundant frequency bands in the electric signals transmitted by the weakening signal adjusting module;
and the sound-light alarm module is used for receiving the conduction instruction fed back by the signal processing module and the radio frequency photoelectric detection module and controlling the operation of the alarm circuit according to the change of the detection signal.
In a further embodiment, as shown in fig. 3, the rf photoelectric detection module includes an rf sensor S1, a capacitor C1, a variable resistor RV1, an operational amplifier U1, a resistor R1, a transistor Q1, a diode D1, a lithium battery B1, a normally open contact SB, and a relay J1.
In a further embodiment, in the radio frequency photoelectric detection module, the pin 1 of the radio frequency sensor S1 is respectively connected to the capacitor C1, the input power supply +24V, the pin 2 of the variable resistor RV1, the pin 7 of the operational amplifier U1, the negative terminal of the diode D1, one end of the relay J1, one end of the normally open contact SB, and the positive terminal of the lithium battery B1; the pin 2 of the radio frequency sensor S1 is connected with the pin 3 of an operational amplifier U1; the pin 3 of the radio frequency sensor S1 is respectively connected with the pin 3 of a variable resistor RV1, the pin 4 of an operational amplifier U1, the emitter terminal of a triode Q1 and the cathode terminal of a lithium battery B1; the other end of the capacitor C1 is connected with a ground wire GND; pin 1 of the variable resistor RV1 is connected with pin 2 of an operational amplifier U1; pin 6 of the operational amplifier U1 is connected with one end of a resistor R1; the other end of the resistor R1 is connected with the base terminal of a triode Q1; and the collector terminal of the triode Q1 is respectively connected with the positive terminal of the diode D1 and the other terminal of the relay J1.
In a further embodiment, as shown in fig. 4, the noise detection module includes a microphone T1, a resistor R2, a lithium battery B2, a resistor R3, a capacitor C2, a resistor R4, a capacitor C3, a resistor R5, an operational amplifier U2, a capacitor C4, a resistor R6, a diode D7, a diode D3, and a diode D4.
In a further embodiment, in the noise detection module, pin 1 of the sound pickup T1 is respectively connected to one end of a resistor R2, the positive end of a lithium battery B2, pin 7 of an operational amplifier U2, the negative end of a diode D7, and the positive end of a capacitor C4; pin 2 of the sound pickup T1 is respectively connected with the negative electrode end of the lithium battery B2 and the ground wire GND; the other end of the resistor R2 is connected with one end of a resistor R3; the other end of the resistor R3 is respectively connected with one end of a resistor R4 and one end of a capacitor C2; the other end of the capacitor C2 is respectively connected with a pin 6 of an operational amplifier U2, the positive terminal of a diode D3 and one end of a resistor R6; the other end of the resistor R4 is respectively connected with one end of a capacitor C3 and a pin 3 of an operational amplifier U2; the other end of the capacitor C3 is respectively connected with a pin 4 of an operational amplifier U2 and a ground wire GND; the pin 2 of the operational amplifier U2 is respectively connected with one end of a resistor R5 and the other end of a resistor R6; the other end of the resistor R5 is connected with a ground wire GND; the negative end of the capacitor C4 is connected with a ground wire GND; the negative terminal of the diode D3 is connected with the negative terminal of the diode D4.
In a further embodiment, as shown in fig. 5, the gas detection module includes a gas sensor K1, a variable resistor RV2, a resistor R8, a variable resistor RV3, a lithium battery B3, a resistor R7, a lamp LED1, a transistor X1, a trigger U6, a resistor R10, and a resistor R11.
In a further embodiment, in the gas detection module, pin 1 of the gas sensor K1 is respectively connected to pin 2 and pin 1 of a variable resistor RV2, a positive terminal of a lithium battery B3, one end of a resistor R7, pin 8 of a flip-flop U6, and one end of a resistor R10; pin 4 of the gas sensor K1 is connected with pin 3 of a variable resistor RV 2; the pin 3 of the gas sensor K1 is respectively connected with the pin 2 of a variable resistor RV3, the pin 1 and one end of a resistor R9; the pin 2 of the gas sensor K1 is connected with one end of a resistor R8; the other end of the resistor R8 is respectively connected with the other end of the resistor R9, the negative electrode end of the lithium battery B3, a pin 2 of a transistor X1, a pin 1 and a pin 6 of a trigger U6, one end of a resistor R11 and a ground wire GND; the pin 3 of the variable resistor RV3 is respectively connected with the pin 5 of a trigger U6 and the positive end of a diode D4; the other end of the resistor R7 is connected with the positive end of the lamp LED 1; the negative terminal of the lamp LED1 is respectively connected with a pin 2 of a trigger U6 and a pin 1 of a transistor X1; the other end of the resistor R11 is respectively connected with the other end of the resistor R10 and a pin 7 of the trigger U6.
In a further embodiment, as shown in fig. 6, the signal adjusting module includes a diode D5, a diode D2, a resistor R12, a capacitor C6, a capacitor C5, an operational amplifier U3, a resistor R13, an operational amplifier U4, and a resistor R14.
In a further embodiment, the positive terminal of the diode D5 in the signal conditioning module is respectively connected to pin 1 of the radio frequency sensor S1, the capacitor C1, the input power supply +24V, pin 2 of the variable resistor RV1, pin 7 of the operational amplifier U1, the negative terminal of the diode D1, one terminal of the relay J1, one terminal of the normally open contact SB, and the positive terminal of the lithium battery B1; the negative end of the diode D5 is respectively connected with the positive end of a diode D7, a pin 7 of an operational amplifier U3 and a pin 7 of an operational amplifier U4; the positive end of the diode D2 is respectively connected with a pin 2 of a radio frequency sensor S1 and a pin 3 of an operational amplifier U1; the negative end of the diode D2 is respectively connected with one end of the resistor R12, the negative end of the diode D3 and the negative end of the diode D4; the other end of the resistor R12 is respectively connected with a pin 3 of an operational amplifier U3 and the positive end of a capacitor C5; the pin 2 of the operational amplifier U3 is connected with the positive end of a capacitor C6; the negative end of the capacitor C6 is connected with a ground wire GND; the pin 4 of the operational amplifier U3 is respectively connected with the pin 4 of the operational amplifier U4 and the ground wire GND; the negative end of the capacitor C5 is respectively connected with a pin 6 of an operational amplifier U3 and one end of a resistor R13; the other end of the resistor R13 is connected with a pin 3 of an operational amplifier U4; pin 2 of the operational amplifier U4 is respectively connected with one end of a resistor R14 and a ground wire GND; the other end of the resistor R14 is connected with pin 6 of an operational amplifier U4.
In a further embodiment, as shown in fig. 7, the signal processing module includes a transistor Q3, a resistor R18, a resistor R16, a resistor R17, a capacitor C7, a capacitor C8, a diode D8, an operational amplifier U5, a capacitor C9, a capacitor C10, and a diode D6.
In a further embodiment, the base terminal of the transistor Q3 in the signal processing module is respectively connected to one end of a resistor R18, the other end of the resistor R14, and a pin 6 of an operational amplifier U4; the collector terminal of the triode Q3 is respectively connected with the other end of the resistor R18, one end of the resistor R16 and one end of the resistor R17; the emitter terminal of the triode Q3 is respectively connected with the cathode terminal of the capacitor C8 and the ground wire GND; the other end of the resistor R16 is respectively connected with the positive end of a capacitor C7, the negative end of a diode D8, a pin 7 of an operational amplifier U5, the positive end of a diode D6, the negative end of a diode D5, the positive end of a diode D7, a pin 7 of an operational amplifier U3 and a pin 7 of an operational amplifier U4; the negative end of the capacitor C7 is connected with a ground wire GND; the positive end of the diode D8 is connected with the ground wire GND; the negative end of the diode D6 is respectively connected with a pin 1 of a gas sensor K1, a pin 2 and a pin 1 of a variable resistor RV2, the positive end of a lithium battery B3, one end of a resistor R7, a pin 8 of a trigger U6 and one end of a resistor R10; the other end of the resistor R17 is respectively connected with a pin 3 of an operational amplifier U5; the pin 2 of the operational amplifier U5 is respectively connected with the positive end of a capacitor C8 and one end of a capacitor C9; the other end of the capacitor C9 is connected with the pin 6 of the operational amplifier U5 and the other end of the capacitor C10 respectively; the capacitor C10 is connected with the emitter Y1.
In a further embodiment, as shown in fig. 8, the sound and light alarm module comprises a transistor Q2, a resistor R15, a lamp LED2, a lamp LED3, and a speaker LS 1.
In a further embodiment, one end of the resistor R15 in the sound and light alarm module is respectively connected with pin 3 of the flip-flop U6, the other end of the capacitor C9, pin 6 of the operational amplifier U5 and the other end of the capacitor C10; the other end of the resistor R15 is connected with the base terminal of a triode Q2; the collector terminal of the triode Q2 is respectively connected with the cathode terminal of a diode D6, a pin 1 of a gas sensor K1, a pin 2 and a pin 1 of a variable resistor RV2, the anode terminal of a lithium battery B3, one end of a resistor R7, a pin 8 of a trigger U6 and one end of a resistor R10; the emitter terminal of the triode Q2 is respectively connected with one end of a loudspeaker LS1, the positive terminal of a lamp LED2, the positive terminal of a lamp LED3 and the other end of a normally open contact SB; the other end of the loudspeaker LS1 is respectively connected with the negative terminal of the lamp LED3, the negative terminal of the lamp LED2 and the ground wire GND.
In a further embodiment, the capacitor C4, the capacitor C5, the capacitor C6, the capacitor C7 and the capacitor C8 are electrolytic capacitors; the diode D1, the diode D5, the diode D6, the diode D7 and the diode D8 are all zener diodes; the model of the triode Q1, the model of the triode Q2 and the model of the triode Q3 are NPN; the pickup T1 is TS-806A; the model of the radio frequency sensor S1 is BPW20 RF; the model of the gas sensor K1 is MC 105; the trigger U6 is model 555.
In a further embodiment, the control method of the garage security control alarm system based on the Internet of things is characterized by comprising the following steps of;
step 1, a radio frequency sensor S1 absorbs photon energy through light irradiation on an object, an electric effect is generated, electric signal transmission is changed according to the change of the photon energy, a triode Q1 is in a conducting state, a relay J1 is powered on, an adsorption normally open contact SB is closed, a loudspeaker LS1, a lamp LED2 and a lamp LED3 are powered on to operate, and potential safety hazards appearing in a garage area are prompted;
step 2, collecting sound generated by the garage environment through a sound pickup T1, converting a received sound signal into an electric signal, further controlling a transmission path of the electric signal according to a frequency band of the received sound, and then transmitting a conducted detection electric signal to a signal adjusting module;
step 3, the detected gas integral number is converted into an electric signal through the gas sensor K1, the converted electric signal is transmitted to the signal adjusting module, the trigger U6 provides data with integrity for programmers and data analysts, the data can be forcibly checked or converted before being written into a data table, when the trigger U6 has an error, the result of the transaction is cancelled, and partial database management systems can replace the instruction of the transaction aiming at data definition, so that the safety of the detection system is ensured;
step 4, converting detection signals fed back by the radio frequency photoelectric detection module, the noise detection module and the gas detection module into output signals, adjusting the primarily received electric signals, and filtering interference wave bands generated in signal conversion through a capacitor C6;
step 5, weakening the preliminarily adjusted electric signal again, so that the filtering signal adjusting module transmits redundant frequency bands in the electric signal, filters out mixed noise and interference signals, adjusts the output quality of the electric signal and improves the response speed of the electric signal;
and 6, receiving feedback conduction instructions of the signal processing module and the radio frequency photoelectric detection module, performing response control, and conducting the triode Q2 according to the change of the detection signal so as to achieve the alarm prompting effect.
In summary, the present invention has the following advantages: in the face of the problem that the radio-frequency illumination cannot be adjusted, the variable resistor RV1 is arranged at the output end of the radio-frequency sensor S1, so that the radio-frequency illumination range is adjusted through the change of the resistor value, and different monitoring effects are achieved; the noise detection module collects the garage environment sound and then transmits the garage environment sound to the signal adjustment module, and then the interference signal generated during operation of the operational amplifier U2 is filtered through the capacitor C4 in a grounding mode; the gas detection module converts the detected gas integral number into an electric signal and then transmits the electric signal to the signal adjustment module, and the transistor X1 performs detection adjustment on the detected electric signal to stabilize an output waveband; the signal adjusting module adopts a one-way acquisition input electric signal to enable a plurality of groups of detection modules not to influence each other, an independent power supply mode is adopted in the detection modules to prevent equipment from being powered off and stopping running, the signal adjusting module converts the detected signals into output signals, and therefore interference wave bands generated during signal conversion are filtered through a capacitor C6; the signal processing module filters out mixed noise and interference by weakening redundant frequency bands in signals, and then the mixed noise and the interference are reversely grounded through a diode D8 to stabilize an input power supply and a protection circuit; the sound-light alarm module receives an electric signal through the base terminal of the triode Q2 to control the operation of the alarm circuit, and further adopts the mode of the Internet of things to monitor the garage safety protection in multiple directions.
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 (8)

1. The utility model provides a garage security protection control alarm system based on thing networking which characterized in that includes following module:
the radio frequency photoelectric detection module is used for absorbing the energy of photons on an object through light irradiation, further generating an electric effect and changing the transmission of electric signals;
the noise detection module is used for collecting the sound generated by the garage environment, converting the received sound into an electric signal and then transmitting the detected electric signal to the signal adjustment module;
the gas detection module is used for converting the detected gas integral number into an electric signal and transmitting the converted electric signal to the signal adjustment module;
the signal conditioning module is used for converting detection signals fed back by the radio frequency photoelectric detection module, the noise detection module and the gas detection module into output signals;
the signal processing module is used for filtering out mixed noise and interference from redundant frequency bands in the electric signals transmitted by the weakening signal adjusting module;
and the sound-light alarm module is used for receiving the conduction instruction fed back by the signal processing module and the radio frequency photoelectric detection module and controlling the operation of the alarm circuit according to the change of the detection signal.
2. The garage security control alarm system based on the internet of things as claimed in claim 1, wherein the radio frequency photoelectric detection module comprises a radio frequency sensor S1, a capacitor C1, a variable resistor RV1, an operational amplifier U1, a resistor R1, a triode Q1, a diode D1, a lithium battery B1, a normally open contact SB, and a relay J1, wherein pin 1 of the radio frequency sensor S1 is connected with the capacitor C1, an input power supply +24V, pin 2 of the variable resistor RV1, pin 7 of the operational amplifier U1, a cathode end of the diode D1, one end of the relay J1, one end of the normally open contact SB, and an anode end of the lithium battery B1, respectively; the pin 2 of the radio frequency sensor S1 is connected with the pin 3 of an operational amplifier U1; the pin 3 of the radio frequency sensor S1 is respectively connected with the pin 3 of a variable resistor RV1, the pin 4 of an operational amplifier U1, the emitter terminal of a triode Q1 and the cathode terminal of a lithium battery B1; the other end of the capacitor C1 is connected with a ground wire GND; pin 1 of the variable resistor RV1 is connected with pin 2 of an operational amplifier U1; pin 6 of the operational amplifier U1 is connected with one end of a resistor R1; the other end of the resistor R1 is connected with the base terminal of a triode Q1; and the collector terminal of the triode Q1 is respectively connected with the positive terminal of the diode D1 and the other terminal of the relay J1.
3. The internet-of-things-based garage security control alarm system of claim 1, wherein the noise detection module comprises a sound pickup T1, a resistor R2, a lithium battery B2, a resistor R3, a capacitor C2, a resistor R4, a capacitor C3, a resistor R5, an operational amplifier U2, a capacitor C4, a resistor R6, a diode D7, a diode D3 and a diode D4, wherein a pin 1 of the sound pickup T1 is respectively connected with one end of the resistor R2, a positive end of the lithium battery B2, a pin 7 of the operational amplifier U2, a negative end of the diode D7 and a positive end of the capacitor C4; pin 2 of the sound pickup T1 is respectively connected with the negative electrode end of the lithium battery B2 and the ground wire GND; the other end of the resistor R2 is connected with one end of a resistor R3; the other end of the resistor R3 is respectively connected with one end of a resistor R4 and one end of a capacitor C2; the other end of the capacitor C2 is respectively connected with a pin 6 of an operational amplifier U2, the positive terminal of a diode D3 and one end of a resistor R6; the other end of the resistor R4 is respectively connected with one end of a capacitor C3 and a pin 3 of an operational amplifier U2; the other end of the capacitor C3 is respectively connected with a pin 4 of an operational amplifier U2 and a ground wire GND; the pin 2 of the operational amplifier U2 is respectively connected with one end of a resistor R5 and the other end of a resistor R6; the other end of the resistor R5 is connected with a ground wire GND; the negative end of the capacitor C4 is connected with a ground wire GND; the negative terminal of the diode D3 is connected with the negative terminal of the diode D4.
4. The garage security control alarm system based on the internet of things as claimed in claim 1, wherein the gas detection module comprises a gas sensor K1, a variable resistor RV2, a resistor R8, a variable resistor RV3, a lithium battery B3, a resistor R7, a lamp LED1, a transistor X1, a trigger U6, a resistor R10 and a resistor R11, wherein pin 1 of the gas sensor K1 is connected with pin 2 and pin 1 of the variable resistor RV2, a positive terminal of the lithium battery B3, one end of the resistor R7, pin 8 of the trigger U6 and one end of the resistor R10 respectively; pin 4 of the gas sensor K1 is connected with pin 3 of a variable resistor RV 2; the pin 3 of the gas sensor K1 is respectively connected with the pin 2 of a variable resistor RV3, the pin 1 and one end of a resistor R9; the pin 2 of the gas sensor K1 is connected with one end of a resistor R8; the other end of the resistor R8 is respectively connected with the other end of the resistor R9, the negative electrode end of the lithium battery B3, a pin 2 of a transistor X1, a pin 1 and a pin 6 of a trigger U6, one end of a resistor R11 and a ground wire GND; the pin 3 of the variable resistor RV3 is respectively connected with the pin 5 of a trigger U6 and the positive end of a diode D4; the other end of the resistor R7 is connected with the positive end of the lamp LED 1; the negative terminal of the lamp LED1 is respectively connected with a pin 2 of a trigger U6 and a pin 1 of a transistor X1; the other end of the resistor R11 is respectively connected with the other end of the resistor R10 and a pin 7 of the trigger U6.
5. The garage security control alarm system based on the internet of things according to claim 1, wherein the signal adjustment module comprises a diode D5, a diode D2, a resistor R12, a capacitor C6, a capacitor C5, an operational amplifier U3, a resistor R13, an operational amplifier U4 and a resistor R14, wherein the positive terminal of the diode D5 is connected with a pin 1 of a radio frequency sensor S1, a capacitor C1, an input power supply +24V, a pin 2 of a variable resistor RV1, a pin 7 of an operational amplifier U1, the negative terminal of the diode D1, one end of a relay J1, one end of a normally open contact SB and the positive terminal of a lithium battery B1 respectively; the negative end of the diode D5 is respectively connected with the positive end of a diode D7, a pin 7 of an operational amplifier U3 and a pin 7 of an operational amplifier U4; the positive end of the diode D2 is respectively connected with a pin 2 of a radio frequency sensor S1 and a pin 3 of an operational amplifier U1; the negative end of the diode D2 is respectively connected with one end of the resistor R12, the negative end of the diode D3 and the negative end of the diode D4; the other end of the resistor R12 is respectively connected with a pin 3 of an operational amplifier U3 and the positive end of a capacitor C5; the pin 2 of the operational amplifier U3 is connected with the positive end of a capacitor C6; the negative end of the capacitor C6 is connected with a ground wire GND; the pin 4 of the operational amplifier U3 is respectively connected with the pin 4 of the operational amplifier U4 and the ground wire GND; the negative end of the capacitor C5 is respectively connected with a pin 6 of an operational amplifier U3 and one end of a resistor R13; the other end of the resistor R13 is connected with a pin 3 of an operational amplifier U4; pin 2 of the operational amplifier U4 is respectively connected with one end of a resistor R14 and a ground wire GND; the other end of the resistor R14 is connected with pin 6 of an operational amplifier U4.
6. The garage security control alarm system based on the internet of things according to claim 1, wherein the signal processing module comprises a triode Q3, a resistor R18, a resistor R16, a resistor R17, a capacitor C7, a capacitor C8, a diode D8, an operational amplifier U5, a capacitor C9, a capacitor C10 and a diode D6, wherein a base terminal of the triode Q3 is respectively connected with one end of the resistor R18, the other end of the resistor R14 and a pin 6 of the operational amplifier U4; the collector terminal of the triode Q3 is respectively connected with the other end of the resistor R18, one end of the resistor R16 and one end of the resistor R17; the emitter terminal of the triode Q3 is respectively connected with the cathode terminal of the capacitor C8 and the ground wire GND; the other end of the resistor R16 is respectively connected with the positive end of a capacitor C7, the negative end of a diode D8, a pin 7 of an operational amplifier U5, the positive end of a diode D6, the negative end of a diode D5, the positive end of a diode D7, a pin 7 of an operational amplifier U3 and a pin 7 of an operational amplifier U4; the negative end of the capacitor C7 is connected with a ground wire GND; the positive end of the diode D8 is connected with the ground wire GND; the negative end of the diode D6 is respectively connected with a pin 1 of a gas sensor K1, a pin 2 and a pin 1 of a variable resistor RV2, the positive end of a lithium battery B3, one end of a resistor R7, a pin 8 of a trigger U6 and one end of a resistor R10; the other end of the resistor R17 is respectively connected with a pin 3 of an operational amplifier U5; the pin 2 of the operational amplifier U5 is respectively connected with the positive end of a capacitor C8 and one end of a capacitor C9; the other end of the capacitor C9 is connected with the pin 6 of the operational amplifier U5 and the other end of the capacitor C10 respectively; the capacitor C10 is connected with the emitter Y1.
7. The garage security control alarm system based on the internet of things as claimed in claim 1, wherein the audible and visual alarm module comprises a triode Q2, a resistor R15, a lamp LED2, a lamp LED3, and a speaker LS1, wherein one end of the resistor R15 is connected to pin 3 of a flip-flop U6, the other end of a capacitor C9, pin 6 of an operational amplifier U5, and the other end of a capacitor C10, respectively; the other end of the resistor R15 is connected with the base terminal of a triode Q2; the collector terminal of the triode Q2 is respectively connected with the cathode terminal of a diode D6, a pin 1 of a gas sensor K1, a pin 2 and a pin 1 of a variable resistor RV2, the anode terminal of a lithium battery B3, one end of a resistor R7, a pin 8 of a trigger U6 and one end of a resistor R10; the emitter terminal of the triode Q2 is respectively connected with one end of a loudspeaker LS1, the positive terminal of a lamp LED2, the positive terminal of a lamp LED3 and the other end of a normally open contact SB; the other end of the loudspeaker LS1 is respectively connected with the negative terminal of the lamp LED3, the negative terminal of the lamp LED2 and the ground wire GND.
8. A control method of a garage security control alarm system based on the Internet of things is characterized by comprising the following steps;
step 1, a radio frequency sensor S1 absorbs photon energy through light irradiation on an object, an electric effect is generated, electric signal transmission is changed according to the change of the photon energy, a triode Q1 is in a conducting state, a relay J1 is powered on, an adsorption normally open contact SB is closed, a loudspeaker LS1, a lamp LED2 and a lamp LED3 are powered on to operate, and potential safety hazards appearing in a garage area are prompted;
step 2, collecting sound generated by the garage environment through a sound pickup T1, converting a received sound signal into an electric signal, further controlling a transmission path of the electric signal according to a frequency band of the received sound, and then transmitting a conducted detection electric signal to a signal adjusting module;
step 3, the detected gas integral number is converted into an electric signal through the gas sensor K1, the converted electric signal is transmitted to the signal adjusting module, the trigger U6 provides data with integrity for programmers and data analysts, the data can be forcibly checked or converted before being written into a data table, when the trigger U6 has an error, the result of the transaction is cancelled, and partial database management systems can replace the instruction of the transaction aiming at data definition, so that the safety of the detection system is ensured;
step 4, converting detection signals fed back by the radio frequency photoelectric detection module, the noise detection module and the gas detection module into output signals, adjusting the primarily received electric signals, and filtering interference wave bands generated in signal conversion through a capacitor C6;
step 5, weakening the preliminarily adjusted electric signal again, so that the filtering signal adjusting module transmits redundant frequency bands in the electric signal, filters out mixed noise and interference signals, adjusts the output quality of the electric signal and improves the response speed of the electric signal;
and 6, receiving feedback conduction instructions of the signal processing module and the radio frequency photoelectric detection module, performing response control, and conducting the triode Q2 according to the change of the detection signal so as to achieve the alarm prompting effect.
CN202010866741.3A 2020-08-26 2020-08-26 Garage security control alarm system based on Internet of things and control method thereof Pending CN112185037A (en)

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