CN202716851U - Intelligent license plate anti-theft alarming system based on magnetic bolts - Google Patents
Intelligent license plate anti-theft alarming system based on magnetic bolts Download PDFInfo
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- CN202716851U CN202716851U CN 201220424772 CN201220424772U CN202716851U CN 202716851 U CN202716851 U CN 202716851U CN 201220424772 CN201220424772 CN 201220424772 CN 201220424772 U CN201220424772 U CN 201220424772U CN 202716851 U CN202716851 U CN 202716851U
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- license plate
- system based
- micro controller
- car
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Abstract
The utility model discloses an intelligent license plate anti-theft alarming system based on magnetic bolts. The intelligent license plate anti-theft alarming system based on the magnetic bolts comprises a license plate installation structure which comprises license plate fixation bolts, wherein the license plate fixation bolts sequentially penetrate through a license plate and a car casing. External nut ends of the license plate fixation bolts are sleeved with bolt protection hoods. Magnets are arranged in the bolt protection hoods. A fully polar hall switch sensor is arranged in the car casing and a gap exists between the fully polar hall switch sensor and the license plate fixation bolts. The intelligent license plate anti-theft alarming system based on the magnetic bolts has the advantages of being simple in structure, low in cost and capable of sending alarming information to an owner by an existing global system for mobile communications (GSM) network. The intelligent license plate anti-theft alarming system based on the magnetic bolts is intelligent, real-time, capable of remote telecommunication, simple in structure, convenient to install and the like.
Description
Technical field
The utility model relates to automobile wireless security protection design, specifically refers to the Intelligent license-plate of vehicle guard against theft and alarm system based on magnetic screw.
Background technology
Along with the raising of people's living standard, the quantity of automobile increases severely in the city, thereby has driven the development of a lot of relevant industries, yet a lot of lawless persons has also played the idea of stealing car plate, be used for extorting the car owner, this allows the car owner be very much headache, has also seriously affected social harmonious development.
Early stage car plate fixedly is to prevent that screw from exposing outside being buckled in a head protector after with two common screws that car plate is fixing, the screw protective cap is aluminium, ordinary steel and plastic product, can only be fastening, can not antitheft, anti-ly unload, come off once prizing with screwdriver, can not prevent that car plate is stolen.These Anti-theft device for license plate overwhelming majority all are mechanical, and their general character is to have increased the difficulty that car plate is prized, without any warning device; The car plate warning device that also has is to occur to become flexible or car plate sends alarm sound after being taken down when car plate, just plays warning function.If the car owner, can be difficult to obtain not at the scene the stolen alarm message of car plate, this warning device is not truly reported to the police to the car owner.
The utility model content
The purpose of this utility model is to provide a kind of Intelligent license-plate of vehicle guard against theft and alarm system based on magnetic screw, and this apparatus structure is simple, and cost is low, has intellectuality, real-time, telecommunication, the advantage such as simple in structure, easy for installation.
Implementation of the present utility model is as follows: based on the Intelligent license-plate of vehicle guard against theft and alarm system of magnetic screw, comprise the car plate mounting structure, described car plate mounting structure comprises the car plate fix screw that runs through successively car plate and car shell, the exterior nut cap end of described car plate fix screw is set with the screw protective cap, in the described screw protective cap magnetic patch is installed, full polarity honeywell switch sensor is installed in the described car shell, has the gap between described full polarity honeywell switch sensor and the car plate fix screw.
Also comprise the micro controller system that is connected with full polarity honeywell switch sensor, described micro controller system is connected with GSM communicating circuit, car owner's mobile phone terminal in turn.
Described micro controller system also is connected with key circuit.
Described micro controller system also is connected with the onsite alarming circuit.
Described micro controller system also is connected with liquid crystal display circuit.
Described micro controller system also is connected with power-switching circuit, and described power-switching circuit is connected with automobile power source.
It is the full utmost point Hall effect digital sensor of A3212 that full polarity honeywell switch sensor is selected model.
It is the center-control micro controller system of AT89C51 that described micro controller system is selected model.
Based on said structure, realization principle of the present utility model is: automobile has 2 car plates, each car plate need to be fixed with 2 car plate fix screws, so just have 4 screw protective caps, a little magnetic patch with strong magnetic is sticked in each screw protective cap the inside at fixing car plate, a full polarity honeywell switch sensor is placed in the place that nestles up the screw protective cap in the inside of car shell, switch when the screw protective cap does not come off in the full polarity honeywell switch sensor is opened, when the screw protective cap of car plate fix screw comes off, switch in the full polarity honeywell switch sensor can cut out because of the disappearance in magnetic field, produces a pulse.When micro controller system received this pulse, the onsite alarming module was sent alarm sound, and while GSM communicating circuit will be put through car owner's mobile phone terminal and report to the police.If screw for fixing number plate has adopted the mechanical type anti-theft screw, the car owner will have the sufficient time and be on the scene and avoid car plate stolen, even what car plate used is common holding screw, when first screw protective cap came off, the car owner also had time enough to be on the scene and avoids car plate stolen.
Wherein full polarity honeywell switch sensor described in the utility model will be arranged on the rear of car plate, is as the criterion can receive the magnetic field that magnetic patch sends.
Hall effect is a kind of of magnetoelectric effect, and this phenomenon is that U.S. physicist Hall (A.H.Hall, 1855-1938) was found when studying the conductive mechanism of metal in 1879.When electric current passes through conductor perpendicular to foreign field, electric potential difference can appear between two end faces perpendicular to magnetic field and direction of current of conductor, and this phenomenon is Hall effect.This electric potential difference also is called Hull voltage.
What full polarity honeywell switch sensor used is 4 low-power consumption, the full utmost point Hall effect of high sensitivity A3212 digital sensor, it is a kind of hall switch type sensor that U.S. Allegro Microsystems company produces, it is low that it has an operating voltage, the characteristics such as digital latch output.It is different from other hall-effect switches, as long as there is the enough large arctic or magnetic field, the South Pole of intensity, these devices just can be opened does not need contact, and when not having magnetic field, output can be closed, and has sound construction, volume is little, lightweight, the life-span is long, and is easy for installation, power consumption is little, frequency high (can reach 1 MHz), vibration resistance is not afraid of the advantages such as dust.
Paste a upper magnet in the screw protective cap, then load onto full polarity honeywell switch sensor in car shell the inside, because the position that front car plate is installed is nonferromugnetic material, the position that rear car plate is installed has plenty of ferromagnetic material, has plenty of nonferromugnetic material.If rear car plate installation site is ferromagnetic material, for sensor can detect magnetic signal, bores in the back a little through hole on the car shell and guarantee that this signal can be detected by sensor.
It is the center-control micro controller system of AT89C51 that micro controller system is selected model, LCD MODULE adopts 12232 liquid crystal displays, key circuit adopts matrix keyboard, matrix keyboard adopts the 4x4 matrix keyboard in this circuit, it adopts 4 I/O lines as line, article 4, the I/O line is as the keyboard of alignment composition, on each point of crossing of line and alignment, a button is set, the number of button is 4x4 in the keyboard like this, and this determinant keyboard structure can improve the degree of utilization of I/O mouth in the Single Chip Microcomputer (SCM) system effectively; The onsite alarming circuit, employing be the buzzer phone of 12 V driving voltages; The GSM communicating circuit, employing be TC35 telecommunication module, it can utilize the GSM network that alarm message is sent to the car owner.
The utility model has the advantage of: the novel intelligent car plate warning device based on GSM is as core controller take micro controller system, can be by responding to the loosening of car plate according to the full polarity honeywell switch sensor of Hall design, carry out onsite alarming, can send alarm message to the car owner by existing GSM network.This novel intelligent burglar alarm device for license plate has intellectuality, real-time, telecommunication, the advantage such as simple in structure, easy for installation.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is the structural representation of car plate mounting structure.
The specific embodiment
Embodiment one
As shown in Figure 1, 2.
Intelligent license-plate of vehicle guard against theft and alarm system based on magnetic screw, comprise the car plate mounting structure, described car plate mounting structure comprises the car plate fix screw 1 that runs through successively car plate 4 and car shell 3, the exterior nut cap end of described car plate fix screw 1 is set with screw protective cap 5, in the described screw protective cap 5 magnetic patch 6 is installed, full polarity honeywell switch sensor 2 is installed in the described car shell 3, has the gap between described full polarity honeywell switch sensor and the car plate fix screw 1.
Also comprise the micro controller system that is connected with full polarity honeywell switch sensor, described micro controller system is connected with GSM communicating circuit, car owner's mobile phone terminal in turn.
Described micro controller system also is connected with key circuit.
Described micro controller system also is connected with the onsite alarming circuit.
Described micro controller system also is connected with liquid crystal display circuit.
Described micro controller system also is connected with power-switching circuit, and described power-switching circuit is connected with automobile power source.
It is the full utmost point Hall effect digital sensor of A3212 that full polarity honeywell switch sensor is selected model.
It is the center-control micro controller system of AT89C51 that described micro controller system is selected model.
Based on said structure, realization principle of the present utility model is: automobile has 2 car plates, each car plate need to be fixed with 2 car plate fix screws, so just have 4 screw protective caps, a little magnetic patch with strong magnetic is sticked in each screw protective cap the inside at fixing car plate, a full polarity honeywell switch sensor is placed in the place that nestles up the screw protective cap in the inside of car shell, switch when the screw protective cap does not come off in the full polarity honeywell switch sensor is opened, when the screw protective cap of car plate fix screw comes off, switch in the full polarity honeywell switch sensor can cut out because of the disappearance in magnetic field, produces a pulse.When micro controller system received this pulse, the onsite alarming module was sent alarm sound, and while GSM communicating circuit will be put through car owner's mobile phone terminal and report to the police.If screw for fixing number plate has adopted the mechanical type anti-theft screw, the car owner will have the sufficient time and be on the scene and avoid car plate stolen, even what car plate used is common holding screw, when first screw protective cap came off, the car owner also had time enough to be on the scene and avoids car plate stolen.
Wherein full polarity honeywell switch sensor described in the utility model will be arranged on the rear of car plate, is as the criterion can receive the magnetic field that magnetic patch sends.
Hall effect is a kind of of magnetoelectric effect, and this phenomenon is that U.S. physicist Hall (A.H.Hall, 1855-1938) was found when studying the conductive mechanism of metal in 1879.When electric current passes through conductor perpendicular to foreign field, electric potential difference can appear between two end faces perpendicular to magnetic field and direction of current of conductor, and this phenomenon is Hall effect.This electric potential difference also is called Hull voltage.
What full polarity honeywell switch sensor used is 4 low-power consumption, the full utmost point Hall effect of high sensitivity A3212 digital sensor, it is a kind of hall switch type sensor that U.S. Allegro Microsystems company produces, it is low that it has an operating voltage, the characteristics such as digital latch output.It is different from other hall-effect switches, as long as there is the enough large arctic or magnetic field, the South Pole of intensity, these devices just can be opened does not need contact, and when not having magnetic field, output can be closed, and has sound construction, volume is little, lightweight, the life-span is long, and is easy for installation, power consumption is little, frequency high (can reach 1 MHz), vibration resistance is not afraid of the advantages such as dust.
Paste a upper magnet in the screw protective cap, then load onto full polarity honeywell switch sensor in car shell the inside, because the position that front car plate is installed is nonferromugnetic material, the position that rear car plate is installed has plenty of ferromagnetic material, has plenty of nonferromugnetic material.If rear car plate installation site is ferromagnetic material, for sensor can detect magnetic signal, bores in the back a little through hole on the car shell and guarantee that this signal can be detected by sensor.
It is the center-control micro controller system of AT89C51 that micro controller system is selected model, LCD MODULE adopts 12232 liquid crystal displays, key circuit adopts matrix keyboard, matrix keyboard adopts the 4x4 matrix keyboard in this circuit, it adopts 4 I/O lines as line, article 4, the I/O line is as the keyboard of alignment composition, on each point of crossing of line and alignment, a button is set, the number of button is 4x4 in the keyboard like this, and this determinant keyboard structure can improve the degree of utilization of I/O mouth in the Single Chip Microcomputer (SCM) system effectively; The onsite alarming circuit, employing be the buzzer phone of 12 V driving voltages; The GSM communicating circuit, employing be TC35 telecommunication module, it can utilize the GSM network that alarm message is sent to the car owner.
As mentioned above, then can well realize the utility model.
Claims (8)
1. based on the Intelligent license-plate of vehicle guard against theft and alarm system of magnetic screw, it is characterized in that: comprise the car plate mounting structure, described car plate mounting structure comprises the car plate fix screw (1) that runs through successively car plate (4) and car shell (3), the exterior nut cap end of described car plate fix screw (1) is set with screw protective cap (5), magnetic patch (6) is installed in the described screw protective cap (5), full polarity honeywell switch sensor (2) is installed in the described car shell (3), has the gap between described full polarity honeywell switch sensor and the car plate fix screw (1).
2. the Intelligent license-plate of vehicle guard against theft and alarm system based on magnetic screw according to claim 1, it is characterized in that: also comprise the micro controller system that is connected with full polarity honeywell switch sensor, described micro controller system is connected with GSM communicating circuit, car owner's mobile phone terminal in turn.
3. the Intelligent license-plate of vehicle guard against theft and alarm system based on magnetic screw according to claim 2, it is characterized in that: described micro controller system also is connected with key circuit.
4. the Intelligent license-plate of vehicle guard against theft and alarm system based on magnetic screw according to claim 2, it is characterized in that: described micro controller system also is connected with the onsite alarming circuit.
5. the Intelligent license-plate of vehicle guard against theft and alarm system based on magnetic screw according to claim 2, it is characterized in that: described micro controller system also is connected with liquid crystal display circuit.
6. the Intelligent license-plate of vehicle guard against theft and alarm system based on magnetic screw according to claim 2, it is characterized in that: described micro controller system also is connected with power-switching circuit, and described power-switching circuit is connected with automobile power source.
7. the described Intelligent license-plate of vehicle guard against theft and alarm system based on magnetic screw of any one according to claim 2-5 is characterized in that: it is the full utmost point Hall effect digital sensor of A3212 that full polarity honeywell switch sensor is selected model.
8. the described Intelligent license-plate of vehicle guard against theft and alarm system based on magnetic screw of any one according to claim 2-5 is characterized in that: it is the center-control micro controller system of AT89C51 that described micro controller system is selected model.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220424772 CN202716851U (en) | 2012-08-27 | 2012-08-27 | Intelligent license plate anti-theft alarming system based on magnetic bolts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220424772 CN202716851U (en) | 2012-08-27 | 2012-08-27 | Intelligent license plate anti-theft alarming system based on magnetic bolts |
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| Publication Number | Publication Date |
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| CN202716851U true CN202716851U (en) | 2013-02-06 |
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| CN 201220424772 Expired - Fee Related CN202716851U (en) | 2012-08-27 | 2012-08-27 | Intelligent license plate anti-theft alarming system based on magnetic bolts |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103625422A (en) * | 2013-11-28 | 2014-03-12 | 杨冰莹 | Dual-safety anti-theft license plate |
| CN103625419A (en) * | 2012-08-27 | 2014-03-12 | 成都众山科技有限公司 | Intelligent license plate anti-theft alarm device based on magnetic screws |
| CN103625388A (en) * | 2013-11-28 | 2014-03-12 | 陈泓瑾 | Anti-theft linkage device for license plate |
| CN103963720A (en) * | 2013-11-28 | 2014-08-06 | 伍越 | Combined antitheft license plate device |
| CN106427820A (en) * | 2016-11-02 | 2017-02-22 | 向友刚 | Motor vehicle number plate for supporting hybrid networking technology and management system |
| US9840231B2 (en) | 2015-08-24 | 2017-12-12 | Q-Free Asa | Tamper detection |
-
2012
- 2012-08-27 CN CN 201220424772 patent/CN202716851U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103625419A (en) * | 2012-08-27 | 2014-03-12 | 成都众山科技有限公司 | Intelligent license plate anti-theft alarm device based on magnetic screws |
| CN103625422A (en) * | 2013-11-28 | 2014-03-12 | 杨冰莹 | Dual-safety anti-theft license plate |
| CN103625388A (en) * | 2013-11-28 | 2014-03-12 | 陈泓瑾 | Anti-theft linkage device for license plate |
| CN103963720A (en) * | 2013-11-28 | 2014-08-06 | 伍越 | Combined antitheft license plate device |
| CN103963720B (en) * | 2013-11-28 | 2015-05-27 | 伍越 | Combined antitheft license plate device |
| CN103625422B (en) * | 2013-11-28 | 2015-09-09 | 杨冰莹 | A kind of Dual-safety anti-theft license plate |
| CN103625388B (en) * | 2013-11-28 | 2016-07-13 | 温州志杰机电科技有限公司 | A kind of anti-theft linkage device for license plate |
| US9840231B2 (en) | 2015-08-24 | 2017-12-12 | Q-Free Asa | Tamper detection |
| US10053057B2 (en) | 2015-08-24 | 2018-08-21 | Q-Free Asa | Tamper detection |
| CN106427820A (en) * | 2016-11-02 | 2017-02-22 | 向友刚 | Motor vehicle number plate for supporting hybrid networking technology and management system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20130206 Termination date: 20130827 |