CN104200588A - Indoor wireless intrusion detection system and method - Google Patents
Indoor wireless intrusion detection system and method Download PDFInfo
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- CN104200588A CN104200588A CN201410370807.4A CN201410370807A CN104200588A CN 104200588 A CN104200588 A CN 104200588A CN 201410370807 A CN201410370807 A CN 201410370807A CN 104200588 A CN104200588 A CN 104200588A
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Abstract
The invention discloses an indoor wireless intrusion detection system and a method, wherein the system comprises a server and a plurality of indoor wireless intrusion detectors which can communicate with the server through a network; the indoor wireless intrusion detector consists of a battery, a power supply conversion module, a main control module, a communication module, a sensing module and an alarm module. The indoor wireless intrusion detector of the indoor wireless intrusion detection system adopts the battery for power supply, and does not need to be provided with a power line; the transmission information quantity is small, WIFI network transmission is adopted, and signal lines do not need to be deployed; small volume, simple configuration and convenient installation. The detection result is transmitted to the server, can be remotely checked in real time, and is very suitable for being used in families and office environments.
Description
Technical Field
The invention relates to an indoor wireless intrusion detection system and method.
Background
Safety is the basis of social development, and the modern security technology plays a role which is difficult or impossible to play by common precaution means in the aspects of preventing and fighting crimes, maintaining social security, preventing disaster accidents, reducing national and collective property loss, guaranteeing life safety of people and the like. The intrusion detection system is used as one kind of security equipment, can timely discover persons who break in without permission, and is quite effective in protecting production and living data from being infringed and preventing crimes. The working intensity of patrol operators on duty is greatly reduced, the efficiency is improved, and the expenditure is reduced.
Some conventional intrusion detection systems work by using a camera, and such detection systems can comprehensively obtain field information, but have a plurality of disadvantages. Although the intrusion detection system working by using the camera can acquire field images, whether intrusion occurs or not is difficult to judge through image identification, and a special person is required to watch a lengthy video, so that the labor is wasted; such intrusion detection systems require cameras, monitors and other equipment, and are expensive to implement; special power lines and signal lines need to be deployed, installation is complicated, and professional personnel are needed to deploy.
Some intrusion detection systems use active infrared intrusion detectors to detect intrusion, and such intrusion detection systems have a large volume, require power lines and signal lines, are complex to install, require professional personnel to perform, and are not suitable for small-scale deployment.
Although some intrusion detection systems detect intrusion by using infrared pyroelectric principle, they are small and exquisite. However, such detection systems only ring an alarm when detecting an intrusion, and cannot transmit an alarm signal to a server or other devices to realize remote inspection of intrusion detection results.
Disclosure of Invention
The invention aims to provide an indoor wireless intrusion detection system and method aiming at the defects of the prior art.
The purpose of the invention is realized by the following technical scheme: an indoor wireless intrusion detection system is composed of a server and a plurality of indoor wireless intrusion detectors; the server is connected with the indoor wireless intrusion detector through the Internet; the indoor wireless intrusion detector is characterized by comprising a battery, a power supply conversion module, a master control module, a communication module, a sensing module and an alarm module; the power supply conversion module is powered by a battery, and the main control module, the communication module, the sensing module and the alarm module are powered by the power supply conversion module; the main control module is connected with the communication module, the alarm module and the sensing module; the sensing module collects the intrusion signal, outputs the collected signal as a level signal and sends the level signal to the main control module; the main control module receives the level signal and triggers the intrusion interruption of the main control module; the main control module controls the communication module to transmit the intrusion signal to the server; the server sends a return value to the communication module after receiving the intrusion signal, the communication module transmits the return value to the main control module after obtaining the return value, if the return value of the server is 'alarm', the main control module triggers the alarm module to act, and after a certain time (2 min-3 min), the main control module stops the action of the alarm module; if the return value of the server is "not to alarm," no action is taken.
The power conversion module comprises 1 NCP1400ASN33T1 power chip U1, 2 capacitors C1 and C2, 1 inductor L1, 1 diode D1, and 1 2-pin socket P1. A pin No. 2 of the pin-2 socket P1 is connected with the anode of the capacitor C1 and one end of the inductor L1; the other end of the inductor L1 is connected with the anode of the diode D1 and the No. 5 pin of the NCP1400ASN33T1 power supply chip U1; the cathode of the diode D1 is connected with the pin 1 and the pin 2 of the NCP1400ASN33T1 power supply chip U1 and the anode of the capacitor C2; pin No. 1 of pin 2 jack P1, the negative electrode of capacitor C1, pin No. 4 of NCP1400ASN33T1 power chip U1, and the negative electrode of capacitor C2 are connected together.
The main control module comprises 1 MSP430F123 chip U2, 1 crystal oscillator Y1, 17 × 2 pin socket P2, 1 MAX809STR chip U3, 1 resistor R1, 2 capacitors C3 and C4, and 1 LED D2. A pin No. 2 and a pin No. 4 of a 7 multiplied by 2 pin socket P2 are connected with a pin No. 3 of a MAX809STR chip U3, one end of a resistor R1, the anode of a capacitor C3, one end of a capacitor C4 and a pin No. 2 of an MSP430F123 chip; the other end of the resistor R1 is connected with the anode of the light-emitting diode D2; two ends of the crystal oscillator Y1 are respectively connected with a No. 5 pin and a No. 6 pin of the MSP430F123 chip U2; a pin No. 7 of the MSP430F123 chip U2 is connected with a pin No. 2 of the MAX809STR chip U3 and a pin No. 11 of the 7 x 2 pin socket P2; a pin No. 1, a pin No. 28, a pin No. 27, a pin No. 26 and a pin No. 25 of the MSP430F123 chip U2 are respectively connected with a pin No. 8, a pin No. 1, a pin No. 3, a pin No. 5 and a pin No. 7 of a 7X 2 pin socket P2; the pin No. 9 of the 7 x 2 pin socket P2, the pin No. 1 of the MAX809STR chip U3, the cathode of the light emitting diode D2, the cathode of the capacitor C3, the other end of the capacitor C4 and the pin No. 4 of the MSP430F123 chip U2 are connected together.
The communication module comprises 1 USR-WIFI232-Sa chip U4, 2 resistors R2 and R3. And a No. 10 pin and a No. 12 pin of the USR-WIFI232-Sa chip U4 are respectively connected with one end of the resistor R2 and one end of the resistor R3.
The sensing module comprises 1 3-pin socket P3 and a detection sensor connected through the socket.
The alarm module comprises 1 triode Q1, a 2-pin socket P4 and a buzzer connected through the P4; the collector of the triode Q1 is connected to pin No. 2 of the pin 2 socket P4.
The working process of the indoor wireless intrusion detection system is as follows:
(1) Setting primary operation: setting a target address of a server to which the communication module is to be connected;
(2) Initializing a system: the indoor wireless intrusion detector is powered by 2 AA batteries connected in series to complete initialization operation of each module, and the main control module sends a power-on signal to the server through the communication module to indicate that the detector starts to work;
(3) The main control module is timed by a built-in timer, and sends a communication signal to the server through the communication module at regular intervals (8 min-12 min), which indicates that the detector works normally; the server continuously receives the communication signals sent by the detector, judges the working state of the detector and displays the working state;
(4) Intrusion detection, when people intrude, a detection sensor of a sensing module generates a level signal and sends the level signal to a main control module; when no person invades, the detection sensor does not generate a level signal and does not generate the next action;
(5) The main control module receives the level signal and triggers the intrusion interruption of the main control module; the main control module controls the communication module to transmit the intrusion signal to the server; the server sends a return value to the communication module after receiving the intrusion signal, the communication module transmits the return value to the main control module after obtaining the return value, and the server is divided into the following 2 conditions according to different return values of the server:
if the return value of the server is 'alarm', the main control module triggers the alarm module to act, and after a certain time (2 min-3 min), the main control module stops the action of the alarm module.
If the return value of the server is "not to alarm", no action is taken.
The invention has the beneficial effects that: the indoor wireless intrusion detector of the indoor wireless intrusion detection system adopts the battery for power supply, and does not need to be provided with a power line; the transmission information quantity is small, WIFI network transmission is adopted, and signal lines do not need to be deployed; small volume, simple configuration and convenient installation. The detection result is transmitted to the server, can be remotely checked in real time, and is very suitable for being used in families and office environments.
Drawings
FIG. 1 is a schematic diagram of an indoor wireless intrusion detector;
FIG. 2 is a schematic diagram of the operation of an indoor wireless intrusion detection system;
FIG. 3 is a circuit diagram of a power conversion module;
FIG. 4 is a circuit diagram of a master control module;
FIG. 5 is a circuit diagram of a communication module;
FIG. 6 is a circuit diagram of a sensing module;
fig. 7 is a circuit diagram of an alarm module.
Detailed Description
The indoor wireless intrusion detection system consists of a server and a plurality of indoor wireless intrusion detectors; as shown in fig. 1, the indoor wireless intrusion detector includes a battery, a power conversion module, a main control module, a communication module, a sensing module, and an alarm module; the power supply conversion module is powered by a battery, and the main control module, the communication module, the sensing module and the alarm module are powered by the power supply conversion module; the main control module is connected with the communication module, the alarm module and the sensing module; the main control module controls the operation of the communication module and the alarm module; the communication module is responsible for the communication between the intrusion detector and the server; the sensing module is responsible for detecting an intrusion signal and transmitting the intrusion signal to the main control module; the alarm module is responsible for sending out alarm signals under the control of the main control module.
The indoor wireless intrusion detection system works as shown in fig. 2, the intrusion detector is communicated with a server on the internet through a WIFI network and transmits a detection result to the server, and the server receives, processes and displays the detection result. The fixed or mobile terminal connected to the server can check the detection result of the intrusion detector through the login server.
As shown in fig. 3, the power conversion module includes 1 NCP1400ASN33T1 power chip U1, 2 capacitors C1 and C2, 1 inductor L1, 1 diode D1, and 1 2-pin socket P1. A pin No. 2 of the pin-2 socket P1 is connected with the anode of the capacitor C1 and one end of the inductor L1; the other end of the inductor L1 is connected with the anode of the diode D1 and a No. 5 pin of the NCP1400ASN33T1 power supply chip U1; the cathode of the diode D1 is connected with the pin 1 and the pin 2 of the NCP1400ASN33T1 power supply chip U1 and the anode of the capacitor C2; pin No. 1 of pin 2 jack P1, the negative electrode of capacitor C1, pin No. 4 of NCP1400ASN33T1 power chip U1, and the negative electrode of capacitor C2 are connected together.
As shown in fig. 4, the main control module includes 1 MSP430F123 chip U2, 1 crystal oscillator Y1, 1 pin socket P2 with 7 × 2 pins, 1 MAX809STR chip U3, 1 resistor R1, 2 capacitors C3 and C4, and 1 light emitting diode D2. A pin No. 2 and a pin No. 4 of a 7 multiplied by 2 pin socket P2 are connected with a pin No. 3 of a MAX809STR chip U3, one end of a resistor R1, the anode of a capacitor C3, one end of a capacitor C4 and a pin No. 2 of an MSP430F123 chip; the other end of the resistor R1 is connected with the anode of the light-emitting diode D2; two ends of the crystal oscillator Y1 are respectively connected with a No. 5 pin and a No. 6 pin of the MSP430F123 chip U2; a pin No. 7 of the MSP430F123 chip U2 is connected with a pin No. 2 of the MAX809STR chip U3 and a pin No. 11 of a pin socket P2 of the pin No. 7 multiplied by 2; the No. 1 pin, the No. 28 pin, the No. 27 pin, the No. 26 pin and the No. 25 pin of the MSP430F123 chip U2 are respectively connected with the No. 8 pin, the No. 1 pin, the No. 3 pin, the No. 5 pin and the No. 7 pin of a 7 multiplied by 2 pin socket P2; the pin No. 9 of the 7 x 2 pin socket P2, the pin No. 1 of the MAX809STR chip U3, the cathode of the light emitting diode D2, the cathode of the capacitor C3, the other end of the capacitor C4 and the pin No. 4 of the MSP430F123 chip U2 are connected together.
As shown in fig. 5, the communication module includes 1 USR-WIFI232-Sa chip U4, and 2 resistors R2 and R3. And a No. 10 pin and a No. 12 pin of the USR-WIFI232-Sa chip U4 are respectively connected with one end of the resistor R2 and one end of the resistor R3.
As shown in fig. 6, the sensing module includes 1 3-pin socket P3 and a detection sensor connected thereto through the socket. The detection sensor adopts an infrared pyroelectric human body induction sensor with 3.3V direct current power supply, and the model SEN0018 of DFROBOT company is adopted in the embodiment, including but not limited to the above.
As shown in fig. 7, the alarm module includes 1 triode Q1, a 2-pin socket P4 and a buzzer connected through P4. The collector of the triode Q1 is connected to pin No. 2 of the pin 2 socket P4. The buzzer adopts an active buzzer, including a piezoelectric buzzer and an electromagnetic buzzer, and the embodiment adopts a 3.3V electromagnetic active buzzer, including but not limited to this.
The battery adopts 1.5V AA batteries, including nickel-hydrogen rechargeable batteries, nickel-cadmium rechargeable batteries, alkaline zinc-manganese batteries, common acidic zinc-manganese batteries and the like. The present embodiment uses a nafil LR6 alkaline battery, but is not limited thereto.
The positive and negative electrodes of the two AA batteries connected in series are respectively connected with the No. 2 pin and the No. 1 pin of the power conversion module 2 pin socket P1; the cathode of the diode D1 of the power conversion module is connected with a pin No. 2 of the master control module MSP430F123 chip U2, the other end of the communication module resistor R3, the other end of the communication module resistor R2, a pin No. 1 of a pin socket P3 of the sensing module 3 and a pin No. 15 of the communication module USR-WIFI232-Sa chip U4; a pin 23 and a pin 24 of the master control module MSP430F123 chip U2 are respectively connected with a base electrode of the alarm module triode Q1 and a pin 2 of a pin socket P3 of the sensing module 3; the No. 15 pin, the No. 16 pin, the No. 17 pin, the No. 18 pin, the No. 19 pin, the No. 20 pin and the No. 21 pin of the master control module MSP430F123 chip U2 are respectively connected with the No. 6 pin, the No. 5 pin, the No. 8 pin, the No. 7 pin, the No. 14 pin, the No. 11 pin and the No. 13 pin of the communication module USR-WIFI232-Sa chip U4; the No. 1 pin of the pin socket P4 of the alarm module 2 is connected with the No. 2 pin of the pin socket P1 of the power conversion module 2; the negative electrode of the power supply conversion module capacitor C2 is connected with the negative electrode of the main control module diode D2, a No. 16 pin of the communication module USR-WIFI232-Sa chip U4, a No. 3 pin of a pin socket P3 of the sensing module and an emitting electrode of the alarm module triode Q1; all other pins not illustrated are suspended.
The working process of the indoor wireless intrusion detection system is as follows:
(1) Setting primary operation: setting a target address of a server to which the communication module is to be connected;
(2) Initializing a system: the indoor wireless intrusion detector is powered by 2 AA batteries connected in series to complete initialization operation of each module, and the master control module sends a power-on signal to the server through the communication module to indicate that the detector starts to work;
(3) The main control module is timed by a built-in timer, and sends a communication signal to the server through the communication module at regular intervals (8 min-12 min), which indicates that the detector works normally; the server continuously receives the communication signals sent by the detector, judges the working state of the detector and displays the working state;
(4) Intrusion detection, when people intrude, a detection sensor of a sensing module generates a level signal and sends the level signal to a main control module; when no person invades, the detection sensor does not generate a level signal and does not generate the next action;
(5) The main control module receives the level signal and triggers the intrusion interruption of the main control module; the main control module controls the communication module to transmit the intrusion signal to the server; the server sends a return value to the communication module after receiving the intrusion signal, the communication module transmits the return value to the main control module after obtaining the return value, and the server is divided into the following 2 conditions according to different return values of the server:
if the return value of the server is 'alarm', the main control module triggers the alarm module to act, and after a certain time (2 min-3 min), the main control module stops the action of the alarm module.
If the return value of the server is "not to alarm," no action is taken.
The return value of the server is set by the user through other terminals connected to the server, and is used for determining whether the intrusion detector triggers the buzzer after detecting a person.
Claims (7)
1. An indoor wireless intrusion detection system is composed of a server and a plurality of indoor wireless intrusion detectors; the server is connected with the indoor wireless intrusion detector through the Internet; the indoor wireless intrusion detector is characterized by comprising a battery, a power supply conversion module, a main control module, a communication module, a sensing module and an alarm module; the main control module, the communication module, the sensing module and the alarm module are powered by the power supply conversion module; the main control module is connected with the communication module, the alarm module and the sensing module; the sensing module collects intrusion signals, outputs the collected signals as level signals and sends the level signals to the main control module; the main control module receives the level signal and triggers the intrusion interruption of the main control module; the main control module controls the communication module to transmit the intrusion signal to the server; the server sends a return value to the communication module after receiving the intrusion signal, the communication module transmits the return value to the main control module after obtaining the return value, if the return value of the server is 'alarm', the main control module triggers the alarm module to act, and after a certain time (2 min-3 min), the main control module stops the action of the alarm module; if the return value of the server is "not to alarm," no action is taken.
2. The indoor wireless intrusion detection system of claim 1, wherein the power conversion module comprises 1 NCP1400ASN33T1 power chip U1, 2 capacitors C1 and C2, 1 inductor L1, 1 diode D1, 1 2-pin jack P1; a No. 2 pin of the pin-2 socket P1 is connected with the anode of the capacitor C1 and one end of the inductor L1; the other end of the inductor L1 is connected with the anode of the diode D1 and the No. 5 pin of the NCP1400ASN33T1 power supply chip U1; the cathode of the diode D1 is connected with the No. 1 pin and the No. 2 pin of the NCP1400ASN33T1 power supply chip U1 and the anode of the capacitor C2; pin No. 1 of pin 2 jack P1, the negative electrode of capacitor C1, pin No. 4 of NCP1400ASN33T1 power chip U1, and the negative electrode of capacitor C2 are connected together.
3. The indoor wireless intrusion detection system of claim 1, wherein the master control module comprises 1 MSP430F123 chip U2, 1 crystal oscillator Y1, 17 x 2 pin jack P2, 1 MAX809STR chip U3, 1 resistor R1, 2 capacitors C3 and C4, 1 light emitting diode D2; the pin No. 2 and the pin No. 4 of the 7 multiplied by 2 pin socket P2 are connected with the pin No. 3 of the MAX809STR chip U3, one end of the resistor R1, the anode of the capacitor C3, one end of the capacitor C4 and the pin No. 2 of the MSP430F123 chip; the other end of the resistor R1 is connected with the anode of the light-emitting diode D2; two ends of the crystal oscillator Y1 are respectively connected with a No. 5 pin and a No. 6 pin of the MSP430F123 chip U2; a pin No. 7 of the MSP430F123 chip U2 is connected with a pin No. 2 of the MAX809STR chip U3 and a pin No. 11 of a pin socket P2 of the pin No. 7 multiplied by 2; the No. 1 pin, the No. 28 pin, the No. 27 pin, the No. 26 pin and the No. 25 pin of the MSP430F123 chip U2 are respectively connected with the No. 8 pin, the No. 1 pin, the No. 3 pin, the No. 5 pin and the No. 7 pin of a 7 multiplied by 2 pin socket P2; the pin No. 9 of the 7 x 2 pin socket P2, the pin No. 1 of the MAX809STR chip U3, the cathode of the light emitting diode D2, the cathode of the capacitor C3, the other end of the capacitor C4 and the pin No. 4 of the MSP430F123 chip U2 are connected together.
4. The indoor wireless intrusion detection system of claim 1, wherein the communication module comprises 1 USR-WIFI232-Sa chip U4, 2 resistors R2 and R3; no. 10 pin and No. 12 pin of the USR-WIFI232-Sa chip U4 are respectively connected with one end of the resistor R2 and one end of the resistor R3.
5. The indoor wireless intrusion detection system according to claim 1, wherein the sensing module comprises 1 3-pin jack P3 and a detection sensor accessed through the jack.
6. The indoor wireless intrusion detection system according to claim 1, wherein the alarm module includes 1 triode Q1, a 2-pin jack P4 and a buzzer connected through the P4; the collector of the triode Q1 is connected to pin No. 2 of the pin 2 socket P4.
7. The indoor wireless intrusion detection system according to claim 1, wherein the indoor wireless intrusion detection system operates as follows:
(1) Setting primary operation: setting a target address of a server to which the communication module is to be connected;
(2) Initializing a system: the indoor wireless intrusion detector is powered by 2 AA batteries connected in series to complete initialization operation of each module, and the master control module sends a power-on signal to the server through the communication module to indicate that the detector starts to work;
(3) The main control module is timed by a built-in timer, and sends a communication signal to the server through the communication module at regular intervals (8 min-12 min), which indicates that the detector works normally; the server continuously receives the communication signals sent by the detector, judges the working state of the detector and displays the working state;
(4) Intrusion detection, when people intrude, a detection sensor of a sensing module generates a level signal and sends the level signal to a main control module; when no person invades, the detection sensor does not generate a level signal and does not generate the next action;
(5) The main control module receives the level signal and triggers the intrusion interruption of the main control module; the main control module controls the communication module to transmit the intrusion signal to the server; the server sends a return value to the communication module after receiving the intrusion signal, the communication module transmits the return value to the main control module after obtaining the return value, and the server is divided into the following 2 conditions according to the difference of the return values of the server:
if the return value of the server is 'alarm', the main control module triggers the alarm module to act, and after a certain time (2 min-3 min), the main control module stops the action of the alarm module;
if the return value of the server is "not to alarm," no action is taken.
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| CN104200588B (en) | 2017-08-25 |
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