CN201354059Y - Anti-theft device for automobiles - Google Patents
Anti-theft device for automobiles Download PDFInfo
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- CN201354059Y CN201354059Y CNU2008202051741U CN200820205174U CN201354059Y CN 201354059 Y CN201354059 Y CN 201354059Y CN U2008202051741 U CNU2008202051741 U CN U2008202051741U CN 200820205174 U CN200820205174 U CN 200820205174U CN 201354059 Y CN201354059 Y CN 201354059Y
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Abstract
The utility model relates to an anti-theft device for automobiles, in particular to an anti-theft device for automobiles, which has engine/circuit assemblies with effects of electricity saving and stable control. The anti-theft device comprises a power supply management module, a main control module, a system signal collection module, a GSM communication module, an operation execution module and an engine/oil path controller, wherein the main control module, the system signal collection module, the GSM communication module and the operation execution module are respectively and electrically connected with the power supply management module; the engine/oil path controller is electrically connected with the operation execution module; the engine/oil path controller also comprises a magnetic latching relay; the magnetic latching relay is connected in series in an engine/oil path control circuit by two control contact terminals; and both ends of a control coil of the magnetic latching relay are respectively connected with a control port of the operation execution module. Because of the adoption of the magnetic latching relay, the engine/oil path controller does not need continuous current for maintenance, electrical energy of automobile storage batteries is saved, and simultaneously, the damage of the control state of the engine/oil path control circuit caused by the damage of the control circuit is avoided.
Description
Technical field
The utility model relates to a kind of alarms and security systems for automobiles, is specifically related to a kind of alarms and security systems for automobiles with power saving and stable Control Engine/circuit unit.
Background technology
General alarms and security systems for automobiles on the market adopts the common electrical electromagnetic relay to carry out the control of engine circuit or oil circuit, the coil current that this common relay need continue is kept the off state of relay, two shortcomings are arranged like this, the one, keeping off state needs a large amount of automotive battery energy that consume, automotive battery can not have electricity very soon because need to keep the off state of engine circuit or oil circuit, will cause the control fails that opens circuit of relay thereupon yet; The 2nd, open circuit if provide the circuit of electric current to be caused to relay by malicious sabotage, just relay can keep electric current and reply normally off because of losing, thereby lose the control action that opens circuit to engine and oil circuit.
The utility model content
The purpose of this utility model provides a kind of alarms and security systems for automobiles with power saving and stable Control Engine/circuit unit.
For achieving the above object, the utility model provides a kind of alarms and security systems for automobiles, it comprises a power management module, a main control module that is electrically connected with this power management module, a system signal acquisition module, a gsm communication module, an operation executing module and engine/oil circuit controller of being electrically connected with this operation executing module respectively, this system signal acquisition module is connected with the input port of this main control module; This gsm communication module and main control module are by serial communication port and associated control signal wire joint; The control input end mouth that reaches this operation executing module is connected with the mouth of main control module, and the control port of this operation executing module is electrically connected with engine/oil circuit controller; This main control module is in order to handle all incoming signals and to export instruction to operation executing module with Control Engine/oil circuit controller, its special character is, this engine/oil circuit controller comprises a magnetic latching relay, this magnetic latching relay is connected in engine/oil circuit control circuit by two control contact ends, and the control coil two ends of this magnetic latching relay are connected with the operation executing module control port respectively.
Preferably, this magnetic latching relay is twin coil type or unicoil type magnetic latching relay.
Preferably, this alarms and security systems for automobiles also comprises under-voltage monitoring of a system and reseting module, the mouth of under-voltage monitoring of this system and reseting module is connected with the RESET input of main control module, in under-voltage or when beginning of powering on, import a systematic reset signal for this main control module in system, this module comprises a under-voltage supervisory circuit of a system and a reset circuit, and the under-voltage supervisory circuit of this system is connected in this reset circuit.
Preferably, the under-voltage supervisory circuit of this system comprises and produces aerotron and the corresponding dividing potential drop shunting capacitance-resistance that level changes when being reduced to certain value according to power line voltage.
Preferably, the under-voltage supervisory circuit of this system comprises and the anodal bonded assembly divider resistance of automobile power source, and the NPN type aerotron that links to each other with this divider resistance of base stage, the 2nd NPN type aerotron that is connected with a NPN type transistor collector with base stage, and corresponding dividing potential drop shunting capacitance resistance ware.
Preferably, this reset circuit comprises a resistance that is connected to system power supply VCC, a diode 1N4148 in parallel with this resistance, two electric capacity parallel with one another of connecting with this resistance other end, an other end ground connection of this electric capacity.
Preferably, under-voltage monitoring of this system and reseting module also comprise one with the under-voltage supervisory circuit of this system manual reset switch in parallel.
Preferably, this system signal acquisition module comprises a high level useful signal testing circuit and a low level useful signal testing circuit, this high level useful signal testing circuit comprise one with signal end bonded assembly resistance R to be checked, the series connected photoelectrical coupler of light-emitting diode and resistance R, with the 1N4148 diode of this light-emitting diode reverse parallel connection and corresponding resistance unit, this photoelectric coupler output end connects main control module input end and is pulled to power supply VCC; Low level useful signal testing circuit comprise with signal end bonded assembly 1N4148 diode to be checked, light-emitting diode and the series connected photoelectrical coupler of 1N4148 diode, with photoelectrical coupler light-emitting diode bonded assembly power supply and corresponding resistance unit, this photoelectric coupler output end connects main control module input end and is pulled to power supply VCC.
Preferably, its also comprise with GSM communication module mouth bonded assembly and with main control module form communication port an audio frequency demodulation module and/or with main control module by serial ports bonded assembly one GPS locating module.
Preferably, this alarms and security systems for automobiles also comprises an infrasonic sound sensing module, its mouth is connected with an input end of this main control module, input to this main control module in order to respond to extraneous infrasound signal and this infrasound signal is converted to electric signal, this main control module changes judgement door-window switch or broken incident according to the signal of this infrasonic sound sensing module input.
The alarms and security systems for automobiles that the utility model provides is owing to adopted magnetic latching relay to come Control Engine/oil circuit circuit, the electric current that makes the control of engine control/oil circuit not need to continue is kept, saved the electric energy of automotive battery, avoided also simultaneously that to be destroyed the state of a control that causes engine/oil circuit also destroyed owing to control path.
Description of drawings
Fig. 1 is the system construction drawing of the alarms and security systems for automobiles that provides of the utility model one preferred embodiment.
Fig. 2 is the main control module circuit diagram that the utility model one preferred embodiment provides.
Fig. 3 is the power management module constructional drawing that the utility model one preferred embodiment provides.
Fig. 4 is the system signal acquisition module circuit diagram that the utility model one preferred embodiment provides.
Fig. 5 is the gsm communication module circuit diagram that the utility model one preferred embodiment provides.
Fig. 6 is the audio frequency demodulation module circuit diagram that the utility model one preferred embodiment provides.
Fig. 7 is the operation executing module circuit diagram that the utility model one preferred embodiment provides.
Fig. 8 is engine/oil circuit controller that the utility model one preferred embodiment provides.
Fig. 9 is the infrasonic sound sensing module circuit diagram that the utility model one preferred embodiment provides
Figure 10 is under-voltage monitoring of system and the reseting module circuit diagram that the utility model one preferred embodiment provides.
Figure 11 is GPS locating module and the usb interface module circuit diagram that the utility model one preferred embodiment provides.
Figure 12 is the information acquisition module circuit diagram of setting up defences automatically/withdraw a garrison that the utility model one preferred embodiment provides.
The specific embodiment
Describe the structure and the principle of the alarms and security systems for automobiles that the utility model one preferred embodiment provided in detail below in conjunction with diagram.
As shown in Figure 1, this alarms and security systems for automobiles 100 comprises a main control module and a power management module that is electrically connected with this main control module, one system signal acquisition module, one gsm communication module, an audio frequency demodulation module, an operation executing module, one infrasonic sound sensing module, under-voltage monitoring of one system and reseting module, a GPS locating module, a usb interface module and a signal acquisition module of setting up defences automatically/withdraw a garrison.Introduce element formation, annexation and the functional characteristic thereof etc. of each module in detail below in conjunction with constructional drawing or circuit diagram.
See also Fig. 2, this main control module comprises that one has the processor chips (master cpu) of 64 pins, and this main control module adopts 16 super low-power consumption microcontrollers of TI company in the present embodiment, and wherein the 1st pin is connected with VCC; Be provided with two of two crystal oscillating circuit Y and plurality of peripheral between the 8th and 9 pins and separate Resistor-Capacitor Unit, be provided with a crystal oscillating circuit Y and two separation Resistor-Capacitor Units between the 52nd and 53 pins; The 58th pin is as the signal input port of under-voltage monitoring of system and reseting module; Mode connects the 64th pin and is connected with VCC as shown in Figure 2.Main control module is used for the co-operative control whole system operation, and the operational system software program, realizes and the user mobile phone interactive operation.Definitely antitheft (being password accessing system pattern), the note setting, note diagnosis vehicle, the refuse messages shielding, functions such as message search all cooperate corresponding external hardware interface module to realize by main control module.
See also Fig. 3, power management module comprises switching regulator 1, linear voltage regulator (LDO) 1 to LDO3 and switching regulator 2, and according to forming electric power network as Fig. 3 annexation.The effect of power management module is under the control of main control module, for each functional module of system provides continual and steady direct supply.Main control module produces control signal as required, is opened or closed the power supply of a certain functional module by power management module control.Power management module switching regulator 1 and switching regulator 2 adopt wide input range, the step down switching voltage regulator of low quiescent current and high output stability.Power management module LDO1 to LDO3 adopts low pressure reduction, the linear voltage regulator of high output stability and low quiescent current.
See also Fig. 4, the system signal acquisition module is responsible for engine condition detection, central controlled lock state-detection and vehicle door status and is detected, it comprises two kinds of testing circuits, detect high level useful signal and low level useful signal respectively, two kinds of circuit all comprise photoelectrical coupler and discrete device, according to connecting and composing as Fig. 3 mode.
The system signal acquisition module adopts the engine condition of photoelectrical coupler detection from automobile circuit, central controlled lock state and vehicle door status signal, because photoelectrical coupler is isolated the input and output of signal on being electrically connected physically fully, and photoelectrical coupler is the current drive-type device, therefore photoelectrical coupler can suppress the transient noise interference of incoming signal, the background noise that floats also there is the good restraining effect, can avoid well the strong noise jamming of abominable auto electric environment system's misoperation that may cause, guaranteed system's reliable operation.
Engine Start Signal is the high level useful signal, in the time of engine starting, it is luminous that actuation signal drives the photoelectrical coupler input diode through resistance R, photoelectric coupler output end produces a level skip signal, input to the main control module input port, main control module thereby detect the engine starting incident.
The switch state signal of car door is along with opening or closing of car door is low level or high level, when closing of the door, and the signal high level.When car door opening, the signal low level.Work as car door opening, it is luminous that low level signal drives the photoelectrical coupler interior light emitting diodes by 1N4148, and photoelectric coupler output end produces the level saltus step, inputs to the main control module signal input port, main control module is judged the open/close state of car door according to the height of level signal.
The central controlled lock status signal is along with central controlled lock is locked or release and present high level or low level.When central controlled lock is opened or close event when taking place, it is luminous or not luminous by 1N4148 driving photoelectrical coupler interior light emitting diodes to open or close signal, thereby in level skip signal of photoelectrical coupler output, this skip signal is received by main control module, according to the level height of signal, judge that central controlled lock is in locking state or released state.
The effect of Transient Voltage Suppressor is surge noise or the transient voltage pulse that suppresses from automobile circuit, protection photoelectrical coupler signal input circuit.
See also Fig. 5, the gsm communication module is organized mould, sim card slot, microphone by GSM and is separated capacitance resistance ware and connect and compose by Fig. 5 mode with peripheral.Wherein microphone is used to realize speech voice input function, and system's monitor function is provided.Sim card slot is used for SIM and installs.The gsm communication module is used for system and communicates by letter and short message communication with user's voice.The phone that main control module comes listening user to dial by serial communication interface by gsm module receives the note that the user sends over.And when needs were dialed the police emergency number or needed to send note, main control module came dial user's number by gsm module, perhaps sends note to user mobile phone.
The another one function of gsm communication module is by under the control of serial ports at main control module, produce DTMF multisound and double-frequency signal, finish communicating by letter between Car Burglar Alarm and the user mobile phone, the operation indicating sound that the generation system plays user mobile phone, and the dtmf tone that produced of the button operation order that receives user mobile phone signal frequently, with dtmf tone frequently signal be sent to DTMF receiving demodulation module, convert command code to and be input to main control module and discern, finish corresponding operation.For realizing this function, an audio frequency demodulation module (present embodiment is a DTMF receiving demodulation module) is set, the input end that this audio frequency is reconciled module is connected with this gsm communication module audio mouth, and its mouth is connected to the main control module input end by digital signal line.
See also Fig. 6, this DTMF receiving demodulation module separates capacitance resistance ware, NPN aerotron and crystal oscillating circuit by the DTMF demodulation chip with the periphery such as Fig. 6 mode connects and composes.The function of this DTMF receiving demodulation module is the dtmf tone frequency signal that receives from gsm module, exports 4 binary machine code after the demodulation, offers main control module identification, operation.After the user connects gsm module by mobile phone, the user presses the mobile phone button, GSM just can receive the dtmf tone frequency signal of this button, dtmf tone frequency signal transfers to the audio input end of DTMF receiving demodulation module, just export corresponding 4 binary machine codes at the mouth of DTMF receiving demodulation module this moment, main control module is according to the instruction of binary code representative, and the control operation execution module is carried out corresponding action.
The operating switch state of DTMF receiving demodulation module is subjected to master control module controls.Main control module by the control signal that is connected to aerotron Q ground level control aerotron Q by or saturation conduction, thereby the level state of the ON/OFF enable signal pin of control DTMF receiving demodulation chip, control DTMF receiving demodulation chip operation or close.The DTMF receiving demodulation circuit generally is in closed condition under the control of main control module, such advantage is to reduce system power dissipation, has also avoided noise jamming and causes the output of unnecessary restituted signal.
In addition, gsm module realizes that also the user is by the operation of initiatively setting up defences, withdraw a garrison of mobile phone or phone.
See also Fig. 7, operation executing module comprises the wink signal producer, relay driver and relay, and according to connecting and composing as Fig. 7 mode.The wink signal producer by 555 time-base integrated circuits and peripheral discrete device by connecting and composing as Fig. 7 mode.The wink signal producer produces the square-wave pulse signal of the about 2Hz of frequency under the control of main control module, be used to control the flicker of steering indicating light.The ON/OFF control signal of wink signal producer comes from main control module, and wink signal output is connected to relay driver.Relay driver connects No. 7 relays, under the control of incoming signal, realizes the break-make of relay coil, thus the control relay contact closed with separates, reach the purpose that control is exported.The relay incoming signal is except having 2 the tunnel to come from the wink signal producer, other 6 the tunnel all comes from main control module, the operation that main control module is carried out as required, the corresponding signal lines that is connected in the input end of relay-operated controller is set to significant condition, control the corresponding relays action by the output of relay driver, finish main control module and produce the execution of ordering action.This operation executing module comprises 7 relays, one of them relay is used to control the ON/OFF of warning signal, two relays are used for the flicker of a Control of Automobile left side/two steering indicating lights in the right side, two relays are used to control locking or release of central controlled lock, and remaining two relays are used for opening or closing of Control Engine controller or oil circuit controller.
Wherein, engine/oil circuit controller of providing of present embodiment adopts magnetic latching relay to control it to open or close especially.See also Fig. 8, engine/oil circuit controller mainly is made of a magnetic latching relay, operation executing module is according to the control command of main control module, produce positive or anti-phase electric current and pass through relay coil, the electric current that passes through in coil continued after some time, relay contact takes place to separate or the adhesive action, because magnetic latching relay self structure characteristics, even coil current is withdrawn after the action of contact, the contact still can maintain current state, and do not need keeping of electric current in the coil, therefore adopt the engine/oil circuit controller of this mode manufacturing, can reach and prevent the purpose destroyed, and when in use, the electric current that does not need to continue is kept, and has saved the energy consumption of automobile.Magnetic latching relay also is monostable (attitude) relay, and twin coil type and unicoil type magnetic latching relay are arranged, and all belongs to described category of the present utility model.
See also Fig. 9, this infrasonic sound sensing module comprises the infrasound sensor module and separates Resistor-Capacitor Unit, according to connecting as Fig. 9 mode.As everyone knows, generally speaking, the user is when leaving automobile, and vehicle is to shut door and window and be in sealing state, destroys when vehicle suffers the robber, when for example the robber opens car door or broken glass for vehicle window by force, can produce infrasound.The infrasonic sound sensing module is responded to this infrasound signal, the outgoing level impulse singla, input to main control module, main control module sends control signal through processing after receiving this signal, the controllable operation execution module is closed engine/oil circuit controller, and/or the may command gsm module gives the alarm to the user, for example calls or transmission information.In addition, according to the difference of the infrasonic sound sensing module model of selecting for use, it can be converted to different electric signal with this infrasound signal, and this electric signal comprises the electric signal or the digital quantity electric signal of analog quantity.The analog quantity electric signal comprises voltage signal and current signal again, and the digital quantity electric signal comprises high/low level signal, electric impulse signal, digitally encoded signal etc., all belongs to the described scope of infrasound sensing module that the utility model adopts.And when the electrical signal levels of this infrasonic sound sensing module output and the receivable shop of this main control module signal level are not complementary, can between this infrasonic sound sensing module and this main control module, be connected a NPN aerotron and carry out level conversion and make its coupling.
The infrasonic sound sensing module can open and close incident by the monitor vehicle door and window, can the monitoring car wind glass broken incident, because the infrasound in the surrounding environment disturbs few, window must be forced open the door when therefore adopting this infrasonic sound sensing module induction automobile stolen and the infrasound signals that produces is reported to the police warning accuracy rate height.
See also Figure 10, under-voltage monitoring of this system and reseting module are made of a under-voltage supervisory circuit of a system and a reset circuit, wherein the under-voltage supervisory circuit of this system comprises that two NPN aerotrons also connect and compose as Figure 10 mode with a plurality of Resistor-Capacitor Units that separate, the under-voltage supervisory circuit of this system comprises and the anodal bonded assembly divider resistance of automobile power source, and the NPN type aerotron that links to each other with this divider resistance of base stage, the 2nd NPN type aerotron that base stage is connected with a NPN type transistor collector and corresponding dividing potential drop shunting capacitance resistance ware.Reset circuit comprises a resistance that is connected to system power supply VCC, resistance diode 1N4148 simultaneously in parallel, the resistance other end connects the electric capacity of two parallel connections, an other end ground connection of electric capacity, mode connects and composes as shown in figure 10, and in addition, this reset circuit also comprises an outside manually button reset switch 82, so that outside manually button reset function to be provided, be used for user's hand reset.The under-voltage supervisory circuit of system can continue to monitor in real time whether value up to specification of vdd voltage, if vdd voltage is reduced to certain below the value because of outside cause, the under-voltage supervisory circuit of system just can be exported a low level control signal, input to reset circuit, reset circuit produces system reset under the low level signal effect, main control module comprises that total system enters reset mode at this moment, and recover normal up to vdd voltage, the under-voltage supervisory circuit of system just can be cancelled low level output, therefore reset circuit also just can cancel reset signal, this moment, system began to restart, and entered normal operating condition.Can reliable reset when reset circuit guarantees simultaneously that system powers on, and system in case of system halt that reason caused or loss of data such as spread of voltage or interference when avoiding system's operation.
Under-voltage monitoring of system and reseting module have guaranteed that system can be operated under the safe and reliable situation, avoid because of automobile cold start or accumulator electric-quantity deficiency, and factor such as the noise on the automobile power source and cause system works to be lost in make the mistake operation or system data of unstable state.
See also Figure 11, the GPS locating module comprises that UBLOX company High Performance gps signal receives module.This GPS receiver module comprises that also the active GPS receiving wire of 3V/5V, 3V emergency battery and charge circuit, usb circuit unit and a plurality of separation capacitance resistance ware are according to connecting and composing as Figure 11 mode.
GSP receiver module reception satellite positioning information converts longitude and latitude to and velocity information is sent to main control module.Characteristics such as this GPS module has the accuracy of positioning height, and locating speed is fast.
Usb circuit is used for the communication between GPS receiver module and the external device.
Main control module is controlled the break-make of GPS modular power source by power management module, reaches the purpose of control GPS module work.Usually the GPS module is in closed condition, and the every interval of master control module controls certain hour starts a GPS receiver module job, is used for the information updating of GPS inside modules, upgrades the main control module that finishes and promptly closes GPS receiver module power supply, to save power consumption.In the time of customer requirement GPS information, main control module is opened GPS receiver module power supply, obtains after the gps data, closes the GPS module again.
Consult Figure 12, automatically the information acquisition module of setting up defences/withdraw a garrison sees also Figure 12, this system comprises that three road signal acquisition circuits constitute this and set up defences automatically/withdraw a garrison information acquisition module, and wherein the first via is used to gather motor central lock the latch signal of signal correction of signal or other and central controlled lock that latches; The second the tunnel is used to gather motor central lock unlocking signal or other signal relevant with the central controlled lock unlocking signal; Third Road is used to gather automobile ACC signal.It is that parking and chaufeur leave state or chaufeur is prepared the driving state that the signal that main control module is imported according to three tunnel signal acquisition module identifies the automobile current state, thereby sets up defences or withdraw a garrison operation.Saved traditional Car Burglar Alarm like this and need use Digiplex to carry out the trouble that system sets up defences, withdraws a garrison, and can avoid also having been omitted the trouble of carrying because the wireless remote control coding intercepts and captures easily, the hidden danger of identification.
Method of inspection compared with traditional remote controller, this function adopts the incoming signal of photoelectrical coupler detection from automobile circuit, because photoelectrical coupler is isolated the input and output of signal on being electrically connected physically fully, and photoelectrical coupler is the current drive-type device, therefore photoelectrical coupler can suppress the transient noise interference of incoming signal, the background noise that floats also there is the good restraining effect, can avoid well the strong noise jamming of abominable auto electric environment system's misoperation that may cause, guaranteed system's reliable operation.
Automatically set up defences and withdraw a garrison automatically function by motor central lock latch signal, motor central lock unlocking signal and automobile ACC signal, realize according to three signal condition associated treatment by main control module.
First via signal acquisition circuit is connected and composed by assembly shown in Figure 12; the central controlled lock signal that latches is connected to the signal input port of the detection module of setting up defences automatically; after transient suppressor D; drive the photoelectrical coupler input end through resistance R; diode 1N4148 of photoelectrical coupler input end reverse parallel connection; be used to suppress inversion signal, the input port of protection photoelectrical coupler.Photoelectric coupler output end is pulled to power supply VCC by resistance R, and connects a filter capacitor C, is connected to the main control module signal input part.
The second road signal acquisition circuit is connected and composed by assembly shown in Figure 12; the central controlled lock unlocking signal is connected to the signal input port of the detection module of withdrawing a garrison automatically; after transient suppressor D; drive the photoelectrical coupler input end through resistance R; diode 1N4148 of photoelectrical coupler input end reverse parallel connection; be used to suppress inversion signal, the input port of protection photoelectrical coupler.Photoelectric coupler output end is pulled to power supply VCC by resistance R, and connects a filter capacitor C, is connected to the main control module signal input part.
The Third Road signal acquisition circuit is connected and composed by assembly shown in Figure 12; after automobile ACC signal process transient suppressor D; drive the photoelectrical coupler input end through resistance R; diode 1N4148 of photoelectrical coupler input end reverse parallel connection is used to suppress the input port that inversion signal is protected photoelectrical coupler.The photoelectrical coupler input port is pulled to power supply VCC by resistance R, and connects a filter capacitor C, is connected to the main control module signal input part.
Main control module judges by the ACC signal whether automobile is in flame-out closed condition or opening, is used to cooperate lock signal and central controlled lock unlocking signal on the central controlled lock, realizes setting up defences automatically and the operation of withdrawing a garrison automatically.The ACC invalidating signal, expression automobile starting key is in the OFF position that starts knob, and this moment, automobile was in flame-out closed condition, and the ACC signal is effective, expression automobile starting key is in ACC position or ON position or the START position that starts knob, and this moment, automobile was in "on" position or starting state.
When motor central lock latches, the signal that latches drives photoelectrical coupler in-to-in lumination of light emitting diode by resistance R, so level saltus step of photoelectrical coupler output, and input to the main control module signal input port, main control module detects after the saltus step of incoming signal level, then detect automobile ACC signal, if ACC is in closed condition at this moment, then main control module is carried out the operation of setting up defences automatically, otherwise, main control module thinks that automobile is in running condition, does not process.
When the motor central lock release, unlocking signal drives photoelectrical coupler in-to-in lumination of light emitting diode by resistance R, so level saltus step of photoelectrical coupler output, and input to the main control module signal input port, main control module detects after the saltus step of incoming signal level, then detect automobile ACC signal, if ACC is in closed condition at this moment, then main control module is carried out the operation of withdrawing a garrison automatically, otherwise, main control module thinks that automobile is in running condition, does not process.
The central controlled lock signal that latches comprises the central controlled lock motor drive signal, the central controlled lock controller control signal of locking, central controlled lock control button control signal or other and the central controlled lock signal that operation is associated that latches.
Though detailed explanation and introduction have been done in the front, also there are corresponding detailed scheme drawing and specific embodiment to do aid illustration, but to one skilled in the art, in the claim scope, obviously various improvement can be arranged, this does not break away from spirit and scope of the present utility model, therefore, above-mentioned corresponding explanation reaches corresponding real trip example and does not mean that restriction of the present utility model.
Claims (10)
1. alarms and security systems for automobiles, it comprises a power management module, a main control module that is electrically connected with this power management module, a system signal acquisition module, a gsm communication module, an operation executing module and engine/oil circuit controller of being electrically connected with this operation executing module respectively, this system signal acquisition module is connected with the input port of this main control module; This gsm communication module and main control module are by serial communication port and corresponding control signal wire joint; The control input end mouth that reaches this operation executing module is connected with the mouth of main control module, and the control port of this operation executing module is electrically connected with engine/oil circuit controller; This main control module is in order to handle all incoming signals and to export instruction to operation executing module with Control Engine/oil circuit controller, it is characterized in that, this engine/oil circuit controller comprises a magnetic latching relay, this magnetic latching relay is connected in engine/oil circuit control circuit by two control contact ends, and the control coil two ends of this magnetic latching relay are connected with the operation executing module control port respectively.
2. alarms and security systems for automobiles as claimed in claim 1 is characterized in that, this magnetic latching relay is twin coil type or unicoil type magnetic latching relay.
3. alarms and security systems for automobiles as claimed in claim 1, it is characterized in that, this alarms and security systems for automobiles also comprises under-voltage monitoring of a system and reseting module, the mouth of under-voltage monitoring of this system and reseting module is connected with the RESET input of main control module, in under-voltage or when beginning of powering on, import a systematic reset signal for this main control module in system, this module comprises a under-voltage supervisory circuit of a system and a reset circuit, the under-voltage supervisory circuit of this system comprises and produces aerotron and the corresponding dividing potential drop shunting capacitance-resistance that level changes when being reduced to certain value according to power line voltage that it is connected in this reset circuit.
4. alarms and security systems for automobiles as claimed in claim 3, it is characterized in that, the under-voltage supervisory circuit of this system comprises and the anodal bonded assembly divider resistance of automobile power source, and the NPN type aerotron that links to each other with this divider resistance of base stage, the 2nd NPN type aerotron that base stage is connected with a NPN type transistor collector and corresponding dividing potential drop shunting capacitance resistance ware.
5. alarms and security systems for automobiles as claimed in claim 3, it is characterized in that this reset circuit comprises a resistance that is connected to system power supply VCC, a diode 1N4148 in parallel with this resistance, two electric capacity parallel with one another of connecting with this resistance other end, an other end ground connection of this electric capacity.
6. alarms and security systems for automobiles as claimed in claim 3 is characterized in that, under-voltage monitoring of this system and reseting module also comprise one with the under-voltage supervisory circuit of this system manual reset switch in parallel.
7. alarms and security systems for automobiles as claimed in claim 1, it is characterized in that, this system signal acquisition module comprises a high level useful signal testing circuit and/or a low level useful signal testing circuit, this high level useful signal testing circuit comprise one with signal end bonded assembly resistance R to be checked, the series connected photoelectrical coupler of light-emitting diode and resistance R, with the 1N4148 diode of this light-emitting diode reverse parallel connection and corresponding resistance unit, this photoelectric coupler output end connects main control module input end and is pulled to power supply VCC; Low level useful signal testing circuit comprise with signal end bonded assembly 1N4148 diode to be checked, light-emitting diode and the series connected photoelectrical coupler of 1N4148 diode, with photoelectrical coupler light-emitting diode bonded assembly power supply and corresponding resistance unit, this photoelectric coupler output end connects main control module input end and is pulled to power supply VCC.
8. alarms and security systems for automobiles as claimed in claim 1, it is characterized in that, its also comprise with GSM communication module mouth bonded assembly and with main control module form communication channel an audio frequency demodulation module and/or with main control module by serial ports bonded assembly one GPS locating module.
9. alarms and security systems for automobiles as claimed in claim 8 is characterized in that, this audio frequency demodulation module is the dtmf signal receiver module.
10. as any described alarms and security systems for automobiles in the claim 4 to 9, it is characterized in that, this alarms and security systems for automobiles also comprises an infrasonic sound sensing module, its mouth is connected with an input end of this main control module, input to this main control module in order to respond to extraneous infrasound signal and this infrasound signal is converted to electric signal, this main control module changes judgement door-window switch or broken incident according to the signal of this infrasonic sound sensing module input.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202051741U CN201354059Y (en) | 2008-12-09 | 2008-12-09 | Anti-theft device for automobiles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202051741U CN201354059Y (en) | 2008-12-09 | 2008-12-09 | Anti-theft device for automobiles |
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| CN201354059Y true CN201354059Y (en) | 2009-12-02 |
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| CNU2008202051741U Expired - Fee Related CN201354059Y (en) | 2008-12-09 | 2008-12-09 | Anti-theft device for automobiles |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103373319A (en) * | 2012-04-12 | 2013-10-30 | 臻隆国际航电股份有限公司 | Vehicle monitoring device and power management module thereof |
| CN104249706A (en) * | 2013-06-28 | 2014-12-31 | 成都微英威诺环境监控设备有限公司 | Automobile fuel anti-theft system based on MEMS acceleration sensor and bluetooth technology |
| CN104742862A (en) * | 2015-03-26 | 2015-07-01 | 佛山市智海星空科技有限公司 | Automotive anti-theft monitoring system |
| CN109017678A (en) * | 2018-06-20 | 2018-12-18 | 苏州工业园区职业技术学院 | A kind of quick real-time bus electronic anti-theft alarming system |
-
2008
- 2008-12-09 CN CNU2008202051741U patent/CN201354059Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103373319A (en) * | 2012-04-12 | 2013-10-30 | 臻隆国际航电股份有限公司 | Vehicle monitoring device and power management module thereof |
| CN104249706A (en) * | 2013-06-28 | 2014-12-31 | 成都微英威诺环境监控设备有限公司 | Automobile fuel anti-theft system based on MEMS acceleration sensor and bluetooth technology |
| CN104742862A (en) * | 2015-03-26 | 2015-07-01 | 佛山市智海星空科技有限公司 | Automotive anti-theft monitoring system |
| CN109017678A (en) * | 2018-06-20 | 2018-12-18 | 苏州工业园区职业技术学院 | A kind of quick real-time bus electronic anti-theft alarming system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Guangzhou C&S Bridge Auto Accessories Co., Ltd. Document name: Notification to Pay the Fees |
|
| DD01 | Delivery of document by public notice |
Addressee: Guangzhou C&S Bridge Auto Accessories Co., Ltd. Document name: Notification of Termination of Patent Right |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091202 Termination date: 20131209 |