CN212685487U - Vehicle anti-theft alarm system - Google Patents

Vehicle anti-theft alarm system Download PDF

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CN212685487U
CN212685487U CN202021642418.XU CN202021642418U CN212685487U CN 212685487 U CN212685487 U CN 212685487U CN 202021642418 U CN202021642418 U CN 202021642418U CN 212685487 U CN212685487 U CN 212685487U
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vehicle
resistor
module
information
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刘婷
杨永
贺佳彦
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Affiliated Hospital of Nantong University
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Affiliated Hospital of Nantong University
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Abstract

The utility model relates to a vehicle anti-theft alarm system, which comprises a vehicle monitoring module arranged in a vehicle, a management server used for vehicle information management and an alarm information management module connected with the management server; the vehicle monitoring module can monitor the vehicle state information when the vehicle is parked and can transmit the monitored vehicle state information to the management server; after receiving the vehicle state information, the management server confirms that the vehicle state information simultaneously comprises vehicle vibration information, vehicle acceleration information and infrared detection information, and outputs vehicle alarm information related to a vehicle where the vehicle monitoring module is located through the alarm information management module. The utility model discloses can effectively realize the theftproof and the warning of vehicle in the large-scale region, accommodation is wide, and intelligent degree is high, safe and reliable.

Description

Vehicle anti-theft alarm system
Technical Field
The utility model relates to an alarm system, especially a vehicle burglar alarm system belongs to burglar alarm's technical field.
Background
With the improvement of living standard of people, various vehicles, especially cars, are gradually becoming the main transportation means of ordinary families. Due to the high cost of vehicles, vehicles in general, especially high-grade cars, are expensive and become a major target for theft. Vehicle anti-theft systems are increasingly important to improve vehicle safety and to prevent vehicles and objects within vehicles from backing up. At present, vehicle anti-theft devices are mounted on most vehicles, the vehicle anti-theft devices are limited to some physical anti-theft of the mounted vehicles, and the anti-theft and management requirements of the vehicles are difficult to meet in areas where large-scale parking exists, such as 4S shops, hospitals and the like.
Disclosure of Invention
The utility model aims at overcoming the not enough of existence among the prior art, providing a vehicle burglar alarm system, its theftproof and the warning that can effectively realize vehicle in the large-scale region, accommodation is wide, and intelligent degree is high, safe and reliable.
According to the technical scheme provided by the utility model, the vehicle anti-theft alarm system comprises a vehicle monitoring module arranged in the vehicle, a management server for vehicle information management and an alarm information management module connected with the management server;
the vehicle monitoring module can monitor the vehicle state information when the vehicle is parked and can transmit the monitored vehicle state information to the management server; after receiving the vehicle state information, the management server confirms that the vehicle state information simultaneously comprises vehicle vibration information, vehicle acceleration information and infrared detection information, and outputs vehicle alarm information related to a vehicle where the vehicle monitoring module is located through the alarm information management module.
The alarm information management module comprises an audible and visual alarm, an alarm display module and/or an alarm communication module for connection, the management server can output audible and visual alarm information through an audible and visual server, the management server can display and output vehicle alarm information through the alarm display module, and the management server can send the vehicle alarm information outwards through the alarm communication module.
The vehicle monitoring system further comprises a signal receiving relay module which can be connected with the management server, the signal receiving relay module can be in wireless connection with the plurality of vehicle monitoring modules, and the vehicle monitoring modules can transmit vehicle state information to the management server connected with the signal receiving relay module through the signal receiving relay module.
The vehicle detection module comprises a vibration monitoring circuit for monitoring vehicle vibration information, an acceleration detection circuit for monitoring vehicle acceleration information and an infrared sensing circuit for acquiring infrared detection information, wherein the vibration monitoring circuit, the acceleration detection circuit and the infrared sensing circuit are in adaptive connection with the signal transmission module, and the signal transmission module can be in wireless connection with the signal receiving relay module.
The vibration monitoring circuit comprises a vibration sensor LDT, one end of the vibration sensor LDT is connected with the cathode end of a voltage stabilizing diode ZD1, one end of a resistor R1 and one end of a capacitor C1, and the other end of the vibration sensor LDT, the anode end of a voltage stabilizing diode ZD1 and the other end of a resistor R1 are all grounded; the other end of the capacitor C1 is connected with one end of a resistor R2 and the in-phase end of an operational amplifier IC2A, the inverting end of the operational amplifier IC2A is connected with one end of a resistor R3 and one end of a resistor R4, the other end of the resistor R3 is grounded, and the other end of the resistor R4 is connected with the output end of the operational amplifier IC2A and the in-phase end of the operational amplifier IC 2B;
the inverting terminal of the operational amplifier IC2B is connected to one terminal of the resistor R5 and one terminal of the resistor R6, the other terminal of the resistor R5 is connected to the +3.3V voltage, and the other terminal of the resistor R6 is grounded; the output end of the operational amplifier IC2B is connected with one end of a resistor R7, the other end of the resistor R7 is connected with the base end of a triode Q1, the emitter end of the triode Q1 is grounded, the collector of a triode Q1 is connected with the TRI end of a monostable trigger IC1 and one end of a resistor R8, and the other end of the resistor R8 is connected with +3.3V voltage;
the monostable trigger IC1 is a chip with the model of NE555, the DIS end of the monostable trigger IC1 and the TRE end of the monostable trigger IC1 are connected with one end of a capacitor C2 and one end of a resistor R9, the other end of the capacitor C2 is grounded, VCC + of the monostable trigger IC1, RES end of the monostable trigger IC1 and the other end of the resistor R9 are connected with +3.3V voltage, VCC + of the monostable trigger IC1 and RES end of the monostable trigger IC1 are also connected with one end of the capacitor C5, and the other end of the capacitor C5 is grounded; the CON end of the monostable trigger IC1 is connected with one end of a capacitor C3, the other end of the capacitor C3 and the GND end of the monostable trigger IC1 are grounded, and the output end of the monostable trigger IC1 is connected with the signal transmission module.
The triode Q1 is an NPN triode, and the signal transmission module and the signal receiving relay module are Xbee wireless transmission modules.
The infrared sensing circuit comprises an infrared sensor PIR, a VCC end of the infrared sensor PIR is connected with +5V voltage, an OUT end of the infrared sensor PIR is connected with one end of a resistor R16, a GND end of the infrared sensor PIR is connected with one end of a capacitor C4, the other end of the resistor R16 is connected with one end of a resistor R17 and the input end of a signal transmission module, and the other end of the capacitor C4 and the other end of the resistor R17 are all grounded.
The acceleration detection circuit comprises an acceleration sensor IC3, wherein the V3V end of the acceleration sensor IC3 is connected with +3.3V voltage, the GND end of the acceleration sensor IC3 is grounded, the X end of the acceleration sensor IC3 is connected with one end of a resistor R15, the Y end of the acceleration sensor IC3 is connected with one end of a resistor R10, and the Z end of the acceleration sensor IC3 is connected with one end of a resistor R12;
the other end of the resistor R12 is connected with one end of the resistor R13 and the input end of the signal transmission module, and the other end of the resistor R13 is grounded; the other end of the resistor R10 is connected with one end of the resistor R11 and the input end of the signal transmission module, and the other end of the resistor R10 is grounded; the other end of the resistor R15 is connected with one end of the resistor R14 and the input end of the signal transmission module.
The utility model has the advantages that: the vehicle monitoring module can monitor the vehicle state information when the vehicle is parked and can transmit the monitored vehicle state information to the management server; after the vehicle state information is received, the management server confirms that the vehicle state information simultaneously comprises vehicle vibration information, vehicle acceleration information and infrared detection information, and the management server outputs vehicle alarm information associated with the vehicle where the vehicle monitoring module is located through the alarm information management module, so that the anti-theft and alarm of the vehicles in a large area can be effectively realized, the application range is wide, the intelligent degree is high, and the system is safe and reliable.
Drawings
Fig. 1 is a system block diagram of the present invention.
Fig. 2 is a block diagram of the vehicle monitoring module of the present invention.
Fig. 3 is a schematic circuit diagram of the vehicle monitoring module of the present invention.
Description of reference numerals: the system comprises a vehicle monitoring module, a signal receiving and relaying module 2, a management server 3, an alarm display module 4, an alarm communication module 5, a signal transmission module 6, a vibration monitoring circuit 7, an acceleration detection circuit 8 and an infrared sensing circuit 9.
Detailed Description
The invention is further described with reference to the following specific drawings and examples.
As shown in fig. 1: in order to effectively realize the theft prevention and the alarm of vehicles in a large area and improve the intelligent degree, the utility model comprises a vehicle monitoring module 1 arranged in the vehicle, a management server 3 used for vehicle information management and an alarm information management module connected with the management server 3;
the vehicle monitoring module 1 can monitor the vehicle state information when the vehicle is parked, and can transmit the monitored vehicle state information to the management server 3; after receiving the vehicle state information, the management server 3 confirms that the vehicle state information includes vehicle vibration information, vehicle acceleration information and infrared detection information at the same time, and the management server 3 outputs vehicle alarm information associated with the vehicle where the vehicle monitoring module 1 is located through an alarm information management module.
Specifically, the vehicle monitoring module 1 is installed in a vehicle, and the vehicle monitoring module 1 may be fixedly installed in the vehicle for a long time or installed in the vehicle again when parking, and may be specifically selected as required. The management server 3 may be a conventional server type, the management server 3 may be disposed in a control room of a management area, the alarm information management module may be installed in the control room, and the like, and may be specifically selected as needed. The management server 3 can simultaneously manage a plurality of vehicles equipped with the vehicle monitoring modules 1.
The embodiment of the utility model provides an in, to installing in the vehicle that has vehicle monitoring module 1, after the parking, utilize vehicle monitoring module 1 real-time supervision is the vehicle state information of place vehicle to the vehicle state information transmission with the monitoring is to management server 3 in. The management server 3 can analyze the received vehicle state information, after the management server 3 analyzes any received vehicle state information and confirms that the vehicle state information simultaneously comprises vehicle vibration information, vehicle acceleration information and infrared detection information, at this moment, the management server 3 can judge that the vehicle related to the vehicle state information has stolen behavior, and the management server 3 outputs vehicle alarm information related to the vehicle where the vehicle monitoring module 1 is located through an alarm information management module.
In specific implementation, when the vehicle monitoring module 1 sends the vehicle state information, the information of the vehicle in which the vehicle is located may be simultaneously transmitted to the management server 3, where the information of the vehicle, such as the license plate number, the mobile phone number of the vehicle owner, and the like, may be selected and determined according to actual needs, and is not described herein again.
Further, the alarm information management module comprises an audible and visual alarm, an alarm display module 4 and/or an alarm communication module 5, the management server 3 can output audible and visual alarm information through an audible and visual server, the management server 3 can display and output vehicle alarm information through the alarm display module 4, and the management server 3 can send the vehicle alarm information outwards through the alarm communication module 5.
The embodiment of the utility model provides an in, alarm information management module can specifically can select as required for audible-visual annunciator, alarm display module 4 or one or more combination in the warning communication module 5. When alarm information management module is audible and visual annunciator, audible and visual annunciator can adopt the form of current commonly used, audible and visual annunciator can export the audible and visual alarm form, and audible and visual annunciator can set up the outside at the control room, and management server 3 is unanimous with current through audible and visual annunciator's output audible and visual annunciator's mode, specifically is that this technical field personnel are familiar with, and no longer repeated here.
When alarm information management module is alarm display module 4, alarm display module 4 can be the display screen, and the alarm information that shows through the display screen can remind managers or near passerby of vehicle etc. can adopt this technical field technical means commonly used to realize through alarm display module 4 output alarm information, and specific process is known for this technical field personnel, and it is no longer repeated here.
When alarm information management module is alarm communication module 5, alarm communication module 5 can be the SIM card or can realize network communication's form, like WIFI module, 4G card, 5G card etc. alarm communication module 5 can send alarm information to appointed terminal, if send alarm information to managers or patroller's cell-phone to managers, patroller in time arrive appointed region and patrol police. When the vehicle state information uploaded to the management server 3 by the vehicle monitoring module 1 contains information such as a mobile phone number of a vehicle owner, the alarm communication module 5 can also send alarm information to the mobile phone number of the vehicle owner, so that the vehicle owner can collect corresponding measures in time.
Further, the vehicle monitoring system also comprises a signal receiving relay module 2 which can be connected with the management server 3, the signal receiving relay module 2 can be wirelessly connected with the plurality of vehicle monitoring modules 1, and the vehicle monitoring modules 1 can transmit the vehicle state information to the management server 3 connected with the signal receiving relay module 2 through the signal receiving relay module 2.
In case of a large area, there may be a signal transmission obstacle between the vehicle monitoring module 1 and the management server 3, in this case, the signal receiving relay module 2 may be disposed in a set area, the signal receiving relay module 2 may receive the vehicle state information of the vehicle monitoring module 1 in the set area, and transmit the vehicle state information to the management server 3, that is, the signal receiving relay module 2 is connected to the management server 3, and monitoring and management of the vehicle area may be expanded by using the signal transmitting capability of the signal receiving relay module 2.
As shown in fig. 2, the vehicle detection module 1 includes a vibration monitoring circuit 7 for monitoring vehicle vibration information, an acceleration detection circuit 8 for monitoring vehicle acceleration information, and an infrared sensing circuit 9 for acquiring infrared detection information, the vibration monitoring circuit 7, the acceleration detection circuit 8, and the infrared sensing circuit 9 are in adaptive connection with the signal transmission module 6, and the signal transmission module 6 can be in wireless connection with the signal receiving relay module 2.
The embodiment of the utility model provides an in, through the vibration information of vibration monitoring circuit 7 monitoring vehicle, through the acceleration information of acceleration detection circuitry 8 monitoring vehicle, acquire infrared detection information through infrared sensing circuit 9. The signal transmission module 6 can transmit the vehicle vibration information, the vehicle acceleration information and/or the infrared detection information to the signal receiving relay module 2 through the signal transmission module 6, so as to be forwarded into the management server 3 by the signal receiving relay module 2.
Specifically, after the management server 3 receives the vehicle state information and determines that the vehicle state information, the vehicle acceleration information and the infrared detection information are contained at the same time, the management server 3 can judge that the current vehicle has the theft behavior, so that the misjudgment condition in the vehicle theft prevention process can be avoided, and the reliability and the stability of the theft prevention detection are improved.
As shown in fig. 3, the vibration monitoring circuit 7 includes a vibration sensor LDT, one end of which is connected to the cathode terminal of the zener diode ZD1, one end of the resistor R1, and one end of the capacitor C1, and the other end of which is grounded, the anode terminal of the zener diode ZD1, and the other end of the resistor R1; the other end of the capacitor C1 is connected with one end of a resistor R2 and the in-phase end of an operational amplifier IC2A, the inverting end of the operational amplifier IC2A is connected with one end of a resistor R3 and one end of a resistor R4, the other end of the resistor R3 is grounded, and the other end of the resistor R4 is connected with the output end of the operational amplifier IC2A and the in-phase end of the operational amplifier IC 2B;
the inverting terminal of the operational amplifier IC2B is connected to one terminal of the resistor R5 and one terminal of the resistor R6, the other terminal of the resistor R5 is connected to the +3.3V voltage, and the other terminal of the resistor R6 is grounded; the output end of the operational amplifier IC2B is connected with one end of a resistor R7, the other end of the resistor R7 is connected with the base end of a triode Q1, the emitter end of the triode Q1 is grounded, the collector of a triode Q1 is connected with the TRI end of a monostable trigger IC1 and one end of a resistor R8, and the other end of the resistor R8 is connected with +3.3V voltage;
the monostable trigger IC1 is a chip with the model of NE555, the DIS end of the monostable trigger IC1 and the TRE end of the monostable trigger IC1 are connected with one end of a capacitor C2 and one end of a resistor R9, the other end of the capacitor C2 is grounded, VCC + of the monostable trigger IC1, RES end of the monostable trigger IC1 and the other end of the resistor R9 are connected with +3.3V voltage, VCC + of the monostable trigger IC1 and RES end of the monostable trigger IC1 are also connected with one end of the capacitor C5, and the other end of the capacitor C5 is grounded; the CON end of the monostable trigger IC1 is connected with one end of a capacitor C3, the other end of the capacitor C3 and the GND end of the monostable trigger IC1 are grounded, and the output end of the monostable trigger IC1 is connected with the signal transmission module 6.
The embodiment of the utility model provides an in, vibration sensor LDT can adopt the current form commonly used, if can adopt the model to be the vibration sensor of LDT0-028K, triode Q1 is the NPN triode, and signal transmission module 6, signal reception relay module 2 are Xbee wireless transmission module. The zener diode ZD1 can play an overvoltage protection role for the vibration sensor LDT. The resistor R1, the resistor R2 and the capacitor C1 form a high-pass filter circuit, and have the function of direct current decoupling.
The operational amplifier IC2A can realize voltage amplification with the amplification factor of 1+ R4/R3. The operational amplifier IC2B, the resistor R5 and the resistor R6 function as a voltage comparator, and convert the sine wave signal into a rectangular wave signal for output. The transistor Q1 cooperates with the resistor R8 to effect the converter by inverting the signal so that the first signal falling edge is the monostable flip-flop IC1 to act as the enable signal for the monostable flip-flop IC 1. When the signal transmission module 6 and the signal receiving relay module 2 are both Xbee wireless transmission modules, one cycle of the transmission rate of Xbee is 1000ms, the duration of the signal is increased to 1 second, and the monostable trigger IC1 can extend the signal to 1.1R 9C 2 approximately equal to 1.1s, so that the requirement of Xbee wireless transmission is met.
Further, the infrared sensing circuit 9 includes an infrared sensor PIR, a VCC terminal of the infrared sensor PIR is connected to +5V voltage, an OUT terminal of the infrared sensor PIR is connected to one end of a resistor R16, a GND terminal of the infrared sensor PIR is connected to one end of a capacitor C4, the other end of the resistor R16 is connected to one end of a resistor R17 and an input terminal of the signal transmission module 6, and the other end of the capacitor C4 and the other end of the resistor R17 are both grounded.
The embodiment of the utility model provides an in, infrared sensor PIR can adopt the existing infrared sensor form commonly used, if can adopt the model to be the sensor of AMN24111, specifically be this technical field personnel familiar. Infrared detection information can be obtained through an infrared sensor PIR.
Further, the acceleration detection circuit 8 includes an acceleration sensor IC3, the V3V terminal of the acceleration sensor IC3 is connected to +3.3V voltage, the GND terminal of the acceleration sensor IC3 is grounded, the X terminal of the acceleration sensor IC3 is connected to one end of a resistor R15, the Y terminal of the acceleration sensor IC3 is connected to one end of a resistor R10, and the Z terminal of the acceleration sensor IC3 is connected to one end of a resistor R12;
the other end of the resistor R12 is connected with one end of the resistor R13 and the input end of the signal transmission module 6, and the other end of the resistor R13 is grounded; the other end of the resistor R10 is connected with one end of the resistor R11 and the input end of the signal transmission module 6, and the other end of the resistor R10 is grounded; the other end of the resistor R15 is connected to one end of the resistor R14 and the input end of the signal transmission module 6.
The embodiment of the utility model provides an in, acceleration sensor IC3 can adopt the sensor that has now commonly used, if can adopt ADXL 335's chip, specifically be this technical field personnel familiar, and it is no longer repeated here. The vehicle acceleration signal can be detected by the acceleration sensor IC 3.
The signal transmission module 6 can adopt a wireless routing module XB1 with the model number XBEE S2, when the wireless routing module XB1 of XBEE S2 is adopted, the VCC end of the wireless routing module XB1 is connected with +3.3V voltage, and the OUT end of the monostable trigger IC1 is connected with the wireless routing module XB1Of XB1
Figure BDA0002625001960000061
The other end of the resistor R16 in the infrared sensing circuit 9 is connected with the COORD _ SEL/AD3/DIO3 end of the wireless routing module XB 1. The other end of the resistor R12 in the acceleration detection circuit 8 is connected with the AD2/DIO2 end of the wireless routing module XB1, the other end of the resistor R10 is connected with the AD1/DIO1 end of the chip XB1, and the other end of the resistor R15 is connected with the AD0/DIO0 end of the wireless routing module XB 1. The GND terminal of wireless routing module XB1 is connected to ground. Of wireless routing module XB1
Figure BDA0002625001960000062
The end is connected with the anode end of the light emitting diode LED1, the PWM0/RSSI end of the wireless routing module XB1 is connected with the anode end of the light emitting diode LED2, the ASSOC/AD5/DIO5 end of the wireless routing module XB1 is connected with the anode end of the light emitting diode LED3, and the cathode end of the light emitting diode LED1, the cathode end of the light emitting diode LED2 and the cathode end of the light emitting diode LED3 are all grounded.
For the signal receiving relay module 2, after the signal transmission module 6 is selected, the signal receiving relay module 2 selects an adaptive chip or circuit, and after the signal receiving relay module 2 is adapted to the signal transmission module 6, the relay of the vehicle state information can be forwarded to the management server 3, and the specific pairing and configuration process between the signal receiving relay module 2 and the signal transmission module 6 is well known by those skilled in the art and is not described herein again.

Claims (8)

1. A vehicle anti-theft alarm system is characterized in that: the vehicle information management system comprises a vehicle monitoring module (1) arranged in a vehicle, a management server (3) used for vehicle information management and an alarm information management module connected with the management server (3);
the vehicle monitoring module (1) can monitor the vehicle state information when the vehicle is parked, and can transmit the monitored vehicle state information to the management server (3); the management server (3) outputs vehicle alarm information associated with the vehicle where the vehicle monitoring module (1) is located through the alarm information management module.
2. The vehicle burglar alarm system according to claim 1, wherein: the alarm information management module comprises an audible and visual alarm, an alarm display module (4) and/or an alarm communication module (5) which are connected.
3. The vehicle burglar alarm system according to claim 1 or 2, wherein: the vehicle monitoring system is characterized by further comprising a signal receiving relay module (2) which can be connected with the management server (3), wherein the signal receiving relay module (2) can be in wireless connection with the plurality of vehicle monitoring modules (1).
4. The vehicle burglar alarm system according to claim 3, wherein: vehicle monitoring module (1) is including vibration monitoring circuit (7) that is used for monitoring vehicle vibration information, acceleration detection circuit (8) that are used for monitoring vehicle acceleration information and infrared sensing circuit (9) that are used for acquireing infrared detection information, vibration monitoring circuit (7), acceleration detection circuit (8) and infrared sensing circuit (9) and signal transmission module (6) adaptation connection, signal transmission module (6) can be with signal reception relay module (2) wireless connection.
5. The vehicle burglar alarm system according to claim 4, wherein: the vibration monitoring circuit (7) comprises a vibration sensor LDT, one end of the vibration sensor LDT is connected with the cathode end of the voltage stabilizing diode ZD1, one end of a resistor R1 and one end of a capacitor C1, and the other end of the vibration sensor LDT, the anode end of the voltage stabilizing diode ZD1 and the other end of the resistor R1 are all grounded; the other end of the capacitor C1 is connected with one end of a resistor R2 and the in-phase end of an operational amplifier IC2A, the inverting end of the operational amplifier IC2A is connected with one end of a resistor R3 and one end of a resistor R4, the other end of the resistor R3 is grounded, and the other end of the resistor R4 is connected with the output end of the operational amplifier IC2A and the in-phase end of the operational amplifier IC 2B;
the inverting terminal of the operational amplifier IC2B is connected to one terminal of the resistor R5 and one terminal of the resistor R6, the other terminal of the resistor R5 is connected to the +3.3V voltage, and the other terminal of the resistor R6 is grounded; the output end of the operational amplifier IC2B is connected with one end of a resistor R7, the other end of the resistor R7 is connected with the base end of a triode Q1, the emitter end of the triode Q1 is grounded, the collector of a triode Q1 is connected with the TRI end of a monostable trigger IC1 and one end of a resistor R8, and the other end of the resistor R8 is connected with +3.3V voltage;
the monostable trigger IC1 is a chip with the model of NE555, the DIS end of the monostable trigger IC1 and the TRE end of the monostable trigger IC1 are connected with one end of a capacitor C2 and one end of a resistor R9, the other end of the capacitor C2 is grounded, VCC + of the monostable trigger IC1, RES end of the monostable trigger IC1 and the other end of the resistor R9 are connected with +3.3V voltage, VCC + of the monostable trigger IC1 and RES end of the monostable trigger IC1 are also connected with one end of the capacitor C5, and the other end of the capacitor C5 is grounded; the CON end of the monostable trigger IC1 is connected with one end of a capacitor C3, the other end of the capacitor C3 and the GND end of the monostable trigger IC1 are grounded, and the output end of the monostable trigger IC1 is connected with the signal transmission module (6).
6. The vehicle burglar alarm system according to claim 5, wherein: the triode Q1 is an NPN triode, and the signal transmission module (6) and the signal receiving relay module (2) are Xbee wireless transmission modules.
7. The vehicle burglar alarm system according to claim 4, wherein: the infrared sensing circuit (9) comprises an infrared sensor PIR, the VCC end of the infrared sensor PIR is connected with +5V voltage, the OUT end of the infrared sensor PIR is connected with one end of a resistor R16, the GND end of the infrared sensor PIR is connected with one end of a capacitor C4, the other end of the resistor R16 is connected with one end of a resistor R17 and the input end of a signal transmission module (6), and the other end of the capacitor C4 and the other end of the resistor R17 are all grounded.
8. The vehicle burglar alarm system according to claim 4, wherein: the acceleration detection circuit (8) comprises an acceleration sensor IC3, wherein the V3V end of the acceleration sensor IC3 is connected with +3.3V voltage, the GND end of the acceleration sensor IC3 is grounded, the X end of the acceleration sensor IC3 is connected with one end of a resistor R15, the Y end of the acceleration sensor IC3 is connected with one end of a resistor R10, and the Z end of the acceleration sensor IC3 is connected with one end of a resistor R12;
the other end of the resistor R12 is connected with one end of the resistor R13 and the input end of the signal transmission module (6), and the other end of the resistor R13 is grounded; the other end of the resistor R10 is connected with one end of the resistor R11 and the input end of the signal transmission module (6), and the other end of the resistor R10 is grounded; the other end of the resistor R15 is connected with one end of the resistor R14 and the input end of the signal transmission module (6).
CN202021642418.XU 2020-08-10 2020-08-10 Vehicle anti-theft alarm system Active CN212685487U (en)

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