CN206775755U

CN206775755U - A kind of anti-detection means of GPS location alarm

Info

Publication number: CN206775755U
Application number: CN201720499378.XU
Authority: CN
Inventors: 杨灵敏
Original assignee: Shenzhen Greenwith Product Information Technology Co Ltd
Current assignee: Shenzhen Newtrack Product Information Technology Co ltd
Priority date: 2017-05-08
Filing date: 2017-05-08
Publication date: 2017-12-19
Anticipated expiration: 2027-05-08

Abstract

The utility model discloses a kind of anti-detection means of GPS location alarm, one-chip computer module is provided with GPS location alarm, one-chip computer module is connected with gsm module by pulse signal, gsm module is connected with GPS module signal, the GPS location alarm is additionally provided with GSM signal sensors, and the GSM signal sensors are provided with antitheft detection circuit；The positioning of the anti-detection means of the utility model GPS location alarm detects peripheral base station information in real time, usually 26, when the pseudo-base station of cartheft is opened, GPS location alarm can be registered in pseudo-base station, at this moment detect base station suddenly becomes one to antitheft detection circuit simultaneously, but signal RSSI is very strong, and base station number CELLID is a special number, GPRS data sends and not gone out, meet these features, antitheft detection circuit can close GSM transmittings immediately, into offline mode, so uncontrollable GPS location alarm of pseudo-base station, also the equipment can not be found, therefore, stolen vehicle can find stolen vehicle according to GPS locator.

Description

A kind of anti-detection means of GPS location alarm

Technical field

Vehicle GPS positioning theft-protection device is the utility model is related to, particularly relates to a kind of anti-detection of GPS location alarm Device.

Background technology

Car personnel remove GPS device to avoid tracking in car steathily, it is necessary to search GPS device steathily.

At present steal car people finder's GPS device the step of be：

1. opening GSM pseudo-base stations, GPS device is searched for；

2. pseudo-base station can be according to information such as the IMSI of the number of acquisition, GSM pseudo-base stations calling GPS device, equipment one is allowed Directly it is in emission state；

3. opening GSM signal sensors, emission source is found out, so as to find GPS device.

Car owner is stolen in order to avoid vehicle, can install various alarms additional, but traditional alarm one is price height It is high, second, anti-theft effect does not with great difficulty crack.

Utility model content

For deficiency of the prior art, the technical problems to be solved in the utility model is the provision of a kind of GPS location The anti-detection means of alarm.

In order to solve the above technical problems, the utility model is realized by following scheme：A kind of anti-inspection of GPS location alarm Device to be surveyed, one-chip computer module is provided with GPS location alarm, one-chip computer module is connected with gsm module by pulse signal, Gsm module is connected with GPS module signal, and the GPS location alarm is additionally provided with GSM signal sensors, the GSM signal detection Device is provided with antitheft detection circuit；

The input of the antitheft detection circuit is 4-50V power supplys, and power input connects diode D1, the diode D1 electric connection of power supply voltage-stablizers U101 VIN pins, the electricity between the VIN pins and diode D1 of the power regulator U101 Electric capacity C1, diac T1, electric capacity C2, electric capacity C3, resistance R130, resistance R5, resistance R126 are connected with circuit node, The electric capacity C1, diac T1, electric capacity C2, electric capacity C3 other end ground connection；The other end of the resistance R130 connects Connecting resistance R125, resistance the R125 other end are grounded, and number is connected on the circuit node between the resistance R130 and resistance R125 Word converter ADC, the resistance R5 other end connection power regulator U101 EN pins, resistance R6, the resistance R6's The other end is grounded, the connection of FREQ pins the resistance R1, resistance R1 of the power regulator U101 other end ground connection, the power supply Voltage-stablizer U101 GND pin, PAD pins is grounded respectively, the COMP pins connection electric capacity C4 of the power regulator U101, electricity Hold the C4 other end connection resistance R2, resistance R2 other end ground connection, FB pins and the SW pins of the power regulator U101 Between be connected with resistance R3, inductor L101 in turn, be connected with the circuit node between the inductor L101 and resistance R3 Electric capacity C6, electric capacity C7, diode D102, the electric capacity C6, the electric capacity C7 other end are grounded respectively；The power regulator U101 FB pins be also associated with resistance R4, resistance R4 other end ground connection；The SW pins and inductor of the power regulator U101 Diode D2, electric capacity C5, diode D2 other end ground connection, the electric capacity C5 other end are connected with circuit node between L101 Connect power regulator U101 BST pins；

The other end connection resistance R127 of the resistance R126, NPN type triode Q102 base stage, the resistance R127 are another One end is grounded, NPN type triode Q102 grounded emitter, its colelctor electrode connection resistance R121, resistance R123, diode The VCDT leads ends of D101, diode D101 other end connection charger, the other end connection camera mould of the resistance R123 Block, the resistance R121 connections power management module V1028 ends；

The negative pole end connection diode D103 of diode D102 positive terminal, the negative pole end point of the diode D103 Not Lian Jie electric capacity C127, electric capacity C128, electric capacity C129, power input, the electric capacity C127, electric capacity C128, electric capacity C129 The other end is grounded.

Relative to prior art, the beneficial effects of the utility model are：The anti-detection dress of the utility model GPS location alarm The positioning put detects peripheral base station information in real time, and usually 2-6 is individual, when the pseudo-base station of cartheft is opened, GPS location alarm It can be registered in pseudo-base station, at this moment detect base station suddenly becomes one to antitheft detection circuit simultaneously, but signal RSSI is very strong, And base station number CELLID is a special number, GPRS data sends and not gone out, and meets these features, antitheft detection circuit GSM transmittings can be closed immediately, into offline mode, so uncontrollable GPS location alarm of pseudo-base station, can not also find this Equipment, therefore, stolen vehicle can find stolen vehicle according to GPS locator.

Brief description of the drawings

Fig. 1 is the theory diagram of the anti-detection means of the utility model GPS location alarm；

Fig. 2 is the antitheft detection circuit diagram of the utility model；

Fig. 3 is Fig. 2 A areas circuit enlarged drawing；

Fig. 4 is Fig. 2 B areas circuit enlarged drawing；

Fig. 5 is Fig. 2 C areas circuit enlarged drawing；

Fig. 6 is Fig. 2 D areas circuit enlarged drawing.

Embodiment

Preferred embodiment of the present utility model is described in detail below in conjunction with the accompanying drawings, so that the advantages of the utility model It can be easier to be readily appreciated by one skilled in the art with feature, it is apparent clear and definite so as to be made to the scope of protection of the utility model Define.

Such as Fig. 1-6, a kind of anti-detection means of GPS location alarm of the present utility model, it is provided with GPS location alarm One-chip computer module, one-chip computer module are connected with gsm module by pulse signal, and gsm module is connected with GPS module signal, described GPS location alarm is additionally provided with GSM signal sensors, and the GSM signal sensors are provided with antitheft detection circuit；

By above circuit, the positioning of the anti-detection means of the utility model GPS location alarm detects peripheral base station in real time Information, usually 2-6, when the pseudo-base station of cartheft is opened, GPS location alarm can be registered in pseudo-base station, at this moment Detect base station suddenly becomes one to antitheft detection circuit simultaneously, but signal RSSI is very strong, and base station number CELLID is one Individual special number, GPRS data send and not gone out, and meet these features, and antitheft detection circuit can close GSM transmittings immediately, enter Offline mode, so uncontrollable GPS location alarm of pseudo-base station, can not also find the equipment, and therefore, stolen vehicle can be with Stolen vehicle is found according to GPS locator.

Preferred embodiment of the present utility model is the foregoing is only, not thereby limits patent model of the present utility model Enclose, every equivalent structure made using the utility model specification and accompanying drawing content or equivalent flow conversion, or directly or Connect and be used in other related technical fields, be similarly included in scope of patent protection of the present utility model.

Claims

1. a kind of anti-detection means of GPS location alarm, one-chip computer module, one-chip computer module are provided with GPS location alarm It is connected with gsm module by pulse signal, gsm module is connected with GPS module signal, it is characterised in that：The GPS location is antitheft Device is additionally provided with GSM signal sensors, and the GSM signal sensors are provided with antitheft detection circuit；

The input of the antitheft detection circuit is 4-50V power supplys, and power input connection diode D1, the diode D1 is electric Connect power regulator U101 VIN pins, the circuit section between the VIN pins and diode D1 of the power regulator U101 Electric capacity C1, diac T1, electric capacity C2, electric capacity C3, resistance R130, resistance R5, resistance R126 are connected with point, it is described Electric capacity C1, diac T1, electric capacity C2, electric capacity C3 other end ground connection；The other end connection electricity of the resistance R130 R125 is hindered, the resistance R125 other end is grounded, and connection numeral turns on the circuit node between the resistance R130 and resistance R125 Parallel operation ADC, the resistance R5 other end connection power regulator U101 EN pins, resistance R6, the resistance R6's is another End ground connection, the connection of FREQ pins the resistance R1, resistance R1 of the power regulator U101 other end ground connection, the power supply voltage stabilizing Device U101 GND pin, PAD pins is grounded respectively, the connection of COMP pins the electric capacity C4, electric capacity C4 of the power regulator U101 The other end connection resistance R2, resistance R2 the other end ground connection, between the FB pins and SW pins of the power regulator U101 It is connected with resistance R3, inductor L101 in turn, electric capacity is connected with the circuit node between the inductor L101 and resistance R3 C6, electric capacity C7, diode D102, the electric capacity C6, the electric capacity C7 other end are grounded respectively；The FB of the power regulator U101 Pin is also associated with resistance R4, resistance R4 other end ground connection；The SW pins of the power regulator U101 and inductor L101 Between circuit node on be connected with diode D2, electric capacity C5, diode D2 other end ground connection, electric capacity C5 other end connection Power regulator U101 BST pins；

The other end connection resistance R127 of the resistance R126, NPN type triode Q102 base stage, the resistance R127 other ends Ground connection, NPN type triode Q102 grounded emitter, its colelctor electrode connection resistance R121, resistance R123, diode D101, two The VCDT leads ends of pole pipe D101 other end connection charger, the other end connection camera model of the resistance R123 are described Resistance R121 connection power management module V1028 ends；

The negative pole end connection diode D103 of diode D102 positive terminal, the negative pole end of the diode D103 connect respectively Connect electric capacity C127, electric capacity C128, electric capacity C129, power input, the electric capacity C127, electric capacity C128, electric capacity C129 it is another End ground connection.