CN201980186U - Automobile antitheft alarm device - Google Patents
Automobile antitheft alarm device Download PDFInfo
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- CN201980186U CN201980186U CN2010205876300U CN201020587630U CN201980186U CN 201980186 U CN201980186 U CN 201980186U CN 2010205876300 U CN2010205876300 U CN 2010205876300U CN 201020587630 U CN201020587630 U CN 201020587630U CN 201980186 U CN201980186 U CN 201980186U
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- automobile
- alarm
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- alarming device
- theft
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Abstract
The utility model relates to the automobile antitheft field, particularly discloses an automobile antitheft alarm device. The automobile antitheft alarm device provided adopts a vibration sensor to acquire automobile motion signals and transfer the automobile motion signals to voltage signals to transmit to a trigger. when the trigger detects the voltage signals exceeding a predetermined threshold, the trigger generates a triggering accident to an alarm module to generate corresponding alarm signals; and the device sends an alarm message to the owner based on the alarm signals; in addition, the device can obtain the current position information of the automobile via GPS satellite signals and sends the position information to the owner. The device can determine whether the automobile is stolen through the detection of abnormal vibration. If the automobile is stolen, the owner can know the position of the automobile in time. The alarm device provided is independent of other electrical systems on the automobile to be placed at all the concealed positions in the automobile without being found out; in addition, the device is simple in structure, low in price, is free of noise and has good antitheft function.
Description
Technical field
The utility model relates to the automobile burglar field, in particular a kind of alarming device for automobile anti-theft.
Background technology
Along with the raising of development of science and technology and people's living standard, car opertion is also more and more universal, progressively enters average family, but just present, no matter is domestic or external, and it is very serious to steal the car phenomenon.Various news media are often relevant for the stolen report of automobile, so automobile burglar is still the car owner, businessman, producer are further studied, renewal and perfect problem.
The antitheft apparatus of traditional mechanical type not only uses very trouble, and degree of reliability is also more and more littler.At present, all there is following deficiency in the anti-theft system that comparatively popular on the market alarms and security systems for automobiles and car manufactures have just been installed on vehicle before dispatching from the factory: 1. complex circuit, and expensive and trouble is installed; 2. principle of design is simple, and kind is single, destroys easily and decodes; 3. most of anti-joyride device mainly is that utilization sound, light are reported to the police, and the sound and lamp wiring Louis are destroyed; 4. easy flase alarm increases noise (especially to city night), and this unnecessary warning is the noise pollution source that people dislike; 5. counterfeit and shoddy goods increase, not only can not be antitheft, also can bring out vehicle trouble.
Therefore, prior art has yet to be improved and developed.
The utility model content
The technical problems to be solved in the utility model is that the above-mentioned defective at prior art provides a kind of alarming device for automobile anti-theft, it is simple in structure, and is cheap, noiselessness, be not easy destroyed and the installation site is fixing can be placed in any concealed location in the car, improved safety.
The technical scheme that the utility model technical solution problem is adopted is as follows:
A kind of alarming device for automobile anti-theft comprises a burglar alarm body and is arranged on the intrinsic circuit card of described burglar alarm, and wherein, described circuit card is provided with vibration sensor, binary pair, alarm module and gsm communication module:
Described binary pair is connected with described vibration sensor;
Described alarm module is connected with described binary pair;
Described gsm communication module is connected with described alarm module.
Described alarming device for automobile anti-theft wherein, also is provided with on described circuit card: with described gsm communication module bonded assembly GPS module.
Described alarming device for automobile anti-theft wherein, also is provided with on described circuit card: supply module, electronic switch;
Described supply module is connected with described electronic switch;
Described electronic switch is connected with binary pair with described vibration sensor respectively.
Described alarming device for automobile anti-theft wherein, also is provided with on described circuit card:
One is connected the low frequency filtering unit between described electronic switch and described vibration sensor and the binary pair.
Described alarming device for automobile anti-theft, wherein, it also comprises a car key controller that communicates to connect with described burglar alarm body.
Described alarming device for automobile anti-theft, wherein, described vibration sensor is a ball switch, and described binary pair is a Schmidt trigger, and described ball switch is connected to described Schmidt trigger by second resistance.
Described alarming device for automobile anti-theft, wherein, described alarm module is a MCU, described MCU communicates by I2C bus and described gsm communication module;
Described gsm communication module is by serial ports UART and described GPS module communication.
Described alarming device for automobile anti-theft, wherein, described low frequency filtering unit comprises first resistance parallel with one another and first electric capacity, and the one end is connected to described electronic switch, and the other end is connected to described vibration sensor and binary pair.
Alarming device for automobile anti-theft provided by the utility model owing to adopted by vibration sensor and obtain the automobile actuating signal, and transfers this actuating signal to voltage signal and is sent to binary pair; Described binary pair detects when described voltage signal produces a trigger event during above a predetermined threshold and sends to alarm module and produce corresponding alerting signal; And send alarming short message from the trend car owner according to this alerting signal; And obtain the automobile current position information by gps satellite signal, and this location information is sent to the car owner automatically, judge by detecting improper vibration whether automobile is stolen.If automobile is stolen, can in time know the automobile present position.This annunciator can be independent of other electric systems of automobile, is placed in any concealed location in the car, is not found; It is simple in structure, cheap for tool, and noiselessness has excellent antitheft function.
Description of drawings
Fig. 1 a is the alarming device for automobile anti-theft surface structure scheme drawing of the utility model embodiment;
Fig. 1 b is the key controller surface structure scheme drawing of the utility model embodiment;
Fig. 2 is the alarming device for automobile anti-theft functional block diagram of the utility model embodiment 1;
Fig. 3 is the alarming device for automobile anti-theft functional block diagram of the utility model embodiment 2;
Fig. 4 a is the key controller circuit structure scheme drawing of the utility model embodiment;
Fig. 4 b is alarming device for automobile anti-theft one a concrete Application Example electrical block diagram of the present utility model;
Fig. 5 is the alarming device for automobile anti-theft V2 point and the voltage curve of V1 point under different situations of the concrete application implementation shown in Fig. 4 b;
Fig. 6 is the automobile anti-theft alarm method diagram of circuit of the utility model embodiment.
The specific embodiment
A kind of alarming device for automobile anti-theft that the utility model provides, clearer, clear and definite for making the purpose of this utility model, technical scheme and advantage, below the utility model is further described with reference to the accompanying drawing embodiment that develops simultaneously.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
A kind of alarming device for automobile anti-theft that the utility model embodiment provides, as shown in Figure 1a, comprise a burglar alarm body 200 and the circuit card 100 that is arranged in the described burglar alarm body 200, as shown in Figure 2, described circuit card 100 is provided with supply module 110, electronic switch 120, vibration sensor 130, binary pair 140, alarm module 150, gsm communication module 160 and GPS module 170:
Described supply module 110 is connected with described electronic switch 120, is used to provide working power, and this supply module 110 can be powered for the storage battery of automobile, preferably adopts independent lithium ion battery power supply certainly; When using the lithium ion battery power supply, do not need the power supply power supply on the automobile, even cut off the power supply of other circuit of automobile, do not influence the function of this Car Burglar Alarm yet.
Described supply module 110 is connected with binary pair 140 with described vibration sensor 130 respectively by described electronic switch 120, described electronic switch 120 is used for the control according to a control signal, opens or close the working power of described vibration sensor 130 and binary pair 140.
Described vibration sensor 140 is mainly used in and obtains the automobile actuating signal, and transfers this actuating signal to voltage signal and be sent to binary pair 140.If automobile is stolen, automobile can become motoring condition from quiescence.Under the motoring condition, automobile is to be in the continuous vibration.Therefore the utility model mainly is that the improper vibration of adopting vibration sensor 140 to detect automobile judges whether automobile is stolen.
Described binary pair 140 is connected with described vibration sensor 130, is used for producing a trigger event when described voltage signal surpasses a predetermined threshold and sends to alarm module 150;
Described alarm module 150 is connected with described binary pair 140, is used for producing corresponding alerting signal according to described trigger event;
Described gsm communication module 160 is connected with described alarm module 150, is used to receive described alerting signal, and sends alarming short message according to this alerting signal from the trend car owner.
Described GPS module 170 is connected with described gsm communication module 160, be used for when producing warning, receive the warning interrupt signal of described gsm communication module 160, and obtain the automobile current position information, and send this location information to gsm communication module 160 by gps satellite signal.
Described gsm communication module 160 also is used for sending the warning interrupt signal to described GPS module 170, and receive described location information from described GPS module 170 and send to the car owner automatically, and also be used to receive the short message that is provided with that the car owner sends specific format, the short message that is provided with of this specific format comprises that carrying out single sends and still to send location information continuously, and the pitch time information when sending continuously.
Among the utility model embodiment, shown in Fig. 1 b, employing car key controller 900 controls the unlatching of described electronic switch or cuts out.For example, when after car parks, needing to open anti-theft feature, send a control signal to described electronic switch by described car key controller 900, as shown in Figure 2, control its unlatching, thereby connect this alarming device for automobile anti-theft working power, enter anti-theft feature.When the car owner uses car, can send another control signal to described electronic switch by described car key controller, control it and close anti-theft feature.
Embodiment further, as shown in Figure 3, described alarming device for automobile anti-theft except the above-mentioned functions module, also is provided with on described circuit card 100:
One is connected the low frequency filtering unit 101 between described electronic switch 120 and described vibration sensor 130 and the binary pair 140, is used for the actuating signal of the described vibration sensor 130 flase drops survey of filtering and the trickle vibration signal of automobile.
The alarming device for automobile anti-theft of embodiment of the present utility model can be installed in hidden place on the automobile, uses the lithium ion battery power supply, utilizes the opening and closing of the original car key controller control of automobile the utility model alarming device for automobile anti-theft.Mainly by detecting the improper state of judging automobile that moves of automobile, improper when mobile when finding that automobile has, report to the police to the car owner, in real time automobile ground location information is sent to the car owner simultaneously, make things convenient for the tracking of car owner to automobile, have very strong anti-theft feature.
Below will alarming device for automobile anti-theft of the present utility model be described in further details by a concrete Application Example:
Shown in Fig. 4 b and shown in Figure 3, in this concrete Application Example, the described supply module 110 that is provided with on described circuit card adopts lithium ion battery BAT1 power supply, does not need the power supply power supply on the automobile, even cut off the power supply of other circuit of automobile, do not influence the function of this Car Burglar Alarm yet.Power conversion chip U3 with described supply module 110 bonded assembly electronic switchs employing 120 employing one LDO (low dropout regulator means low pressure difference linear voltage regulator) classes.
U7 is the car key controller (being 900 among Fig. 4 a) of present embodiment automobile, when the car owner normally opens car door and cruising with key, the key controller is by controlling Car Burglar Alarm power conversion chip U3 with phase inverter U5, make it close the power supply of the utility model alarming device for automobile anti-theft, antitheft alarm system is closed.When automobile flameout and after pinning car door, the car key controller just can be opened the power supply of antitheft alarm system, opens anti-theft feature.
In the present embodiment, described vibration sensor 130 adopts a ball switch U8, and described binary pair 140 adopts Schmidt trigger U1, and described ball switch U8 is connected to described Schmidt trigger U1 by second resistance R 2.Wherein, schmidt trigger function is in the present embodiment, and when input voltage increases from low to high, when arriving it and triggering thresholding V+, output voltage is undergone mutation.Described alarm module 150 adopts a MCU (microcontroller) U2.
In the present embodiment, shown in Fig. 4 b, described low frequency filtering unit 101 comprises first resistance R 1 parallel with one another and first capacitor C 1, and the one end is connected to the power conversion chip U3 of described electronic switch 120, and the other end is connected to described ball switch U8 and Schmidt trigger U1.
Its principle of work shown in Fig. 4 b, ball switch U8, as vibration sensor, during vehicle stationary, ball switch U8 conducting makes V2 point and ground conducting, the V2 point voltage is zero; When automobile was moved, ball switch U8 was vibrated, and can constantly disconnect being connected of V2 and GND.Between conducting and disconnection two states, constantly switch, and vibration is strong more, switches frequent more.
When ball switch U8 disconnected, the V2 point voltage was the output voltage V CC of power conversion chip U3.The low frequency filter that R1 and C1 form, be used for the flase drop survey of filtering ball switch U8 and the trickle vibrations of automobile, have only continuous shaking after the several seconds, the voltage that V1 is ordered rises to trigger gate in limited time, just can report to the police to U2 by triggering the interruption of micro controller system U2 after the Schmidt trigger U1 shaping.
Be illustrated in figure 5 as V2 point and the voltage curve of V1 point under different situations.Even during vehicle stationary, extraneous trickle vibrations are also cheated and may be triggered the U8 vibrations, and referring to Fig. 4 b, V2 voltage also has the variation from GND to VCC, after first resistance R 1 and 1 filtering of first capacitor C, can filter out this vibrations, not triggering system.Have only when vibrating after certain time under certain intensity, V1 voltage slowly rises to trigger gate in limited time, just can triggering system.Vibrate severely more, the change frequency of V2 waveform is just high more, and under same filtering condition (by first resistance R 1 and 1 decision of first capacitor C), V1 rises to that to trigger the required time of thresholding just short more.In practical installation and trial, by adjusting the value of first resistance R 1 and first capacitor C 1, change the time that V1 rises, thereby adjust detection sensitivity.
Shown in Fig. 4 b, described gsm communication module 160 adopts a GMS communication chip U6, described MCU communicates by the I2C bus 102 GMS communication chip U6 with described gsm communication module 160, shown in Fig. 4 b the 2nd pin WAKE_N of U2 end, the 3rd pin I2C_SCL end, the 4th pin I2C_SDA end respectively with as described in WAKE_N end, I2C_SCL end, the I2C_SDA end of U6 be connected.Described U6 also is connected with a GSM_ANT (GSM antennal interface) (as 202 among Fig. 1 a), is used to connect the GSM antenna, realizes gsm communication.Shown in Fig. 4 b, and be connected to power supply VCC by the 4th resistance R 4, the 3rd resistance R 3 respectively at the I2C_SCL of described I2C bus 102 line, I2C_SDA line.
Described GPS module 170 adopts a GPS module chip U4.The GMS communication chip U6 of described gsm communication module 160 communicates by letter with the GPS module chip U4 of described GPS module 170 by serial ports UART 103.The UART_RXD of described U6 (data sink) end, UART_TXD (data transmission) end, INT_IN end are connected with UART_TXD (data transmission) end, UART_RXD (data sink) end, the INT_OUT end of described U4 respectively.Described U4 also is connected with a GPS_ANT (gps antenna interface) (as 201 among Fig. 1 a), is used to connect gps antenna, to obtain the location information of automobile by gps satellite signal.
And GMS communication chip U6 and GPS module chip U4 are in dormant state when flat, to save energy.After anti-joyride device is opened, if automobile that should be static produces the vibration that continues, think that then automobile is in improper the moving, just trigger the micro controller system U2 of alarm module as the ball switch U8 of vibration sensor, produce alerting signal, wake GMS communication chip U6 up and send described alerting signal by interrupt signal WAKE_N to it by U2.
After GMS communication chip U6 is waken up, send echo message by the I2C bus to U2, notice U2 has received alerting signal.GMS communication chip U6 sends alarming short message to car owner's mobile phone then, notifies car owner's automobile to be moved by improper.After sending the warning short message, U6 wakes GPS module U4 up by interrupting.U4 utilizes serial ports UART that location information is sent to U6 after obtaining the automobile current position information by gps satellite signal, sends to the car owner by U6 by short message, makes things convenient for the position of car owner's real-time tracking automobile.
Therefore, a kind of alarming device for automobile anti-theft that the utility model embodiment provides, it is simple in structure, cheap, noiselessness is not easy destroyed and the installation site is fixing can be placed in any concealed location in the car, has improved safety, has had very strong anti-theft feature.
In addition, the alarming device for automobile anti-theft of the utility model embodiment, can also short message be set to Car Burglar Alarm by what described GMS communication chip U6 received that the car owner sends specific format, comprise that it is that single sends or sends location information continuously that U6 is set, and the pitch time when sending continuously.
The utility model just starts after only pinning car door at automobile flameout and with key, and after the startup, gsm communication module and GPS module all are in dormant state.After only detecting warning, just wake two modules up, reduced the power consumption of annunciator, can use for a long time; The power supply of use lithium ion battery does not need the power supply power supply on the automobile, even cut off the power supply of other circuit of automobile, does not influence the function of this Car Burglar Alarm yet.
Based on the alarming device for automobile anti-theft of the foregoing description, the utility model embodiment also provides a kind of automobile anti-theft alarm method, as shown in Figure 6, when the starting warning function, mainly may further comprise the steps:
Step S510, obtain the automobile actuating signal,, and transfer this actuating signal to voltage signal and be sent to binary pair 140 referring to Fig. 3 by vibration sensor 130;
Step S520,140 detections of described binary pair produce a trigger event and send to alarm module 150 when described voltage signal surpasses a predetermined threshold; Described alarm module 150 produces corresponding alerting signal according to described trigger event;
Step S530, receive described alerting signal, and send alarming short message from the trend car owner according to this alerting signal by gsm communication module 160;
Step S540, receive the warning interrupt signal of gsm communication modules 160, and obtain the automobile current position information, and send this location information to gsm communication module 160 by gps satellite signal by GPS module 170; Described gsm communication module 160 receives described location information from described GPS module 170 and sends to the car owner automatically.
Further, described automobile anti-theft alarm method wherein, also comprises step:
Described gsm communication module receives the short message that is provided with that the car owner sends specific format, and the short message that is provided with of this specific format comprises being provided with and carry out single and send and still send described location information continuously, and the pitch time information when sending continuously.
In sum, alarming device for automobile anti-theft provided by the utility model owing to adopted by vibration sensor and obtain the automobile actuating signal, and transfers this actuating signal to voltage signal and is sent to binary pair; Described binary pair detects when described voltage signal produces a trigger event during above a predetermined threshold and sends to alarm module and produce corresponding alerting signal; And send alarming short message from the trend car owner according to this alerting signal; And obtain the automobile current position information by gps satellite signal, and this location information is sent to the car owner automatically, judge by detecting improper vibration whether automobile is stolen.If automobile is stolen, can in time know the automobile present position.This annunciator can be independent of other electric systems of automobile, is placed in any concealed location in the car, is not found; It is simple in structure, cheap for tool, and noiselessness has excellent antitheft function.
Should be understood that; application of the present utility model is not limited to above-mentioned giving an example; for those of ordinary skills, can be improved according to the above description or conversion, all these improvement and conversion all should belong to the protection domain of the utility model claims.
Claims (8)
1. an alarming device for automobile anti-theft comprises a burglar alarm body and is arranged on the intrinsic circuit card of described burglar alarm, it is characterized in that described circuit card is provided with vibration sensor, binary pair, alarm module and gsm communication module:
Described binary pair is connected with described vibration sensor;
Described alarm module is connected with described binary pair;
Described gsm communication module is connected with described alarm module.
2. alarming device for automobile anti-theft according to claim 1 is characterized in that, also is provided with on described circuit card: with described gsm communication module bonded assembly GPS module.
3. alarming device for automobile anti-theft according to claim 1 is characterized in that, also is provided with on described circuit card: supply module, electronic switch;
Described supply module is connected with described electronic switch;
Described electronic switch is connected with binary pair with described vibration sensor respectively.
4. alarming device for automobile anti-theft according to claim 3 is characterized in that, also is provided with on described circuit card:
One is connected the low frequency filtering unit between described electronic switch and described vibration sensor and the binary pair.
5. alarming device for automobile anti-theft according to claim 3 is characterized in that, it also comprises a car key controller that communicates to connect with described burglar alarm body.
6. alarming device for automobile anti-theft according to claim 1 is characterized in that, described vibration sensor is a ball switch, and described binary pair is a Schmidt trigger, and described ball switch is connected to described Schmidt trigger by second resistance.
7. alarming device for automobile anti-theft according to claim 1 is characterized in that, described alarm module is a MCU, and described MCU communicates by I2C bus and described gsm communication module;
Described gsm communication module is by serial ports UART and described GPS module communication.
8. alarming device for automobile anti-theft according to claim 4 is characterized in that, described low frequency filtering unit comprises first resistance parallel with one another and first electric capacity, and the one end is connected to described electronic switch, and the other end is connected to described vibration sensor and binary pair.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205876300U CN201980186U (en) | 2010-10-27 | 2010-10-27 | Automobile antitheft alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205876300U CN201980186U (en) | 2010-10-27 | 2010-10-27 | Automobile antitheft alarm device |
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| Publication Number | Publication Date |
|---|---|
| CN201980186U true CN201980186U (en) | 2011-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010205876300U Expired - Fee Related CN201980186U (en) | 2010-10-27 | 2010-10-27 | Automobile antitheft alarm device |
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| CN (1) | CN201980186U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11260828B2 (en) | 2017-08-31 | 2022-03-01 | Byd Company Limited | Method and apparatus for controlling vehicle, and vehicle |
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2010
- 2010-10-27 CN CN2010205876300U patent/CN201980186U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11260828B2 (en) | 2017-08-31 | 2022-03-01 | Byd Company Limited | Method and apparatus for controlling vehicle, and vehicle |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110921 Termination date: 20121027 |