CN203069790U

CN203069790U - Intelligent anti-theft apparatus

Info

Publication number: CN203069790U
Application number: CN 201320071681
Authority: CN
Inventors: 周奇勋
Original assignee: Xian University of Science and Technology
Current assignee: Xian University of Science and Technology
Priority date: 2013-02-06
Filing date: 2013-02-06
Publication date: 2013-07-17
Anticipated expiration: 2023-02-06

Abstract

The utility model discloses an intelligent anti-theft apparatus. The intelligent anti-theft apparatus comprise an anti-theft terminal and a subscriber cellphone which is in wireless connection with the anti-theft terminal for performing bidirectional communication. The anti-theft terminal comprises a microprocessor module, a power supply module, a bus buffer circuit module which is connected with the microprocessor module, a CDMA module which is connected with the bus buffer circuit module, and a UIM card interface circuit module which is connected with the CDMA module, wherein the UIM card interface circuit module is connected with a UIM card; the power supply module comprises a charging battery, and a charging management circuit module and a voltage conversion circuit module which are connected with the charging battery; the charging management circuit module is connected with a USB interface circuit module; an input end of the microprocessor module is connected with a battery electricity quantity detection circuit module and a charging detection circuit module; and the CDMA module is connected with a work state indicating lamp. The intelligent anti-theft apparatus is reasonable in design, convenient to use and operate, high in positioning tracking precision, stable and reliable in work and low in realization cost, and has no blind area, thereby facilitating popularization and use.

Description

A kind of intelligent anti-theft device

Technical field

The utility model belongs to the intelligent security guard technical field, especially relates to a kind of intelligent anti-theft device.

Background technology

Present existing electric anti-thief device is mainly fixed-site or fixedly property antitheft and designing, for mobile object, as belongings such as the vehicles such as automobile, suitcase, children's school bag (can know the situation in children's the way of going to school and leaving school), the electric anti-thief device terminal then must realize accurately locating also can be real-time to position that the owner reports object.Mainly realize by GPS location technology and the GSM/CDMA2G communication technology at the anti-theft device of mobile object at present.Adopt GPS can only realize the satnav of outdoor open environment, can't obtain locating information indoor, there is small part GSM/CDMA2G module to have the network positions function at present, can realize indoor positioning, but can't compare with GPS in outdoor bearing accuracy, therefore mostly adopt GPS+GSM/CDMA2G to realize at present.There is following shortcoming in this scheme:

(1) need two kinds of modules of GPS and GSM/CDMA2G simultaneously, the anti-theft device volume is big, be not easy to hidden installation;

(2) two module work of GPS and GSM/CDMA2G, power consumption is big, is difficult to improve the anti-theft device stand-by time;

(3) GPS and GSM/CDMA2G location-independent are difficult to realize the automatic switchover of locator meams;

(4) the network positions time of GSM/CDMA2G long (about 1 minute), the anti-theft device real-time is poor.

The utility model content

Technical problem to be solved in the utility model is at above-mentioned deficiency of the prior art, a kind of intelligent anti-theft device is provided, it is simple in structure, and is reasonable in design, uses simple operation, non-blind area, location tracking accuracy height, working stability is reliable, realizes that cost is low, result of use is good, is convenient to promote the use of.

For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of intelligent anti-theft device, it is characterized in that: comprise the antitheft terminal that puts together with monitored object and the user mobile phone that is connected and carries out two-way communication by the cdma communication base station radio with antitheft terminal, described antitheft terminal comprises microprocessor module and is the power module of each electricity consumption module for power supply in the antitheft terminal, and the bus buffer circuit module of joining with described microprocessor module, the CDMA module of joining with described bus buffer circuit module and the UIM card interface circuit module of joining with described CDMA module, be connected to the UIM card on the described UIM card interface circuit module, described power module comprises rechargeable battery and charge management circuit module and the voltage conversion circuit module of joining with described rechargeable battery, be connected to the usb circuit module on the described charge management circuit module, the input end of described microprocessor module is connected to battery electric quantity testing circuit module and charging testing circuit module, described battery electric quantity testing circuit module and described rechargeable battery join, described charging testing circuit module and described usb circuit module are joined, and are connected to the working station indicator of indicating for to the duty of CDMA module on the described CDMA module.

Above-mentioned a kind of intelligent anti-theft device is characterized in that: described usb circuit module is by MINUSB joint, nonpolar capacitor C 26 and polar capacitor CE5, inductance CZ3 and CZ4, and Transient Suppression Diode TVS1 and TVS2 constitute; The pin 1 of described MINUSB joint and an end of described nonpolar capacitor C 26, the positive pole of polar capacitor CE5, the end of inductance CZ3 and the end of inductance CZ4 join, the pin 2 of described MINUSB joint is by Transient Suppression Diode TVS1 ground connection, the pin 3 of described MINUSB joint is by Transient Suppression Diode TVS2 ground connection, the pin 5 of described MINUSB joint, the equal ground connection of the negative pole of the other end of nonpolar capacitor C 26 and polar capacitor CE5, the other end of described inductance CZ3 is the first output terminal VCHG of described usb circuit module, and the other end of described inductance CZ4 is the second output terminal VUSBK of described usb circuit module.

Above-mentioned a kind of intelligent anti-theft device, it is characterized in that: described charge management circuit module is by chip MP2607 and the bipod connector JP1 that is used for being connected rechargeable battery, resistance R 14, R15, R16, R17, R18 and R27, nonpolar capacitor C 9, C10 and C22, and be used to indicate the red light emitting diodes DS2 that is charging and be used to indicate the green LED DS3 formation that charging is finished, the pin 1 of described chip MP2607 and pin 2 are for the output terminal of described charge management circuit module and all join with an end of described nonpolar capacitor C 22 and the pin 1 of bipod connector JP1, the pin 3 of described chip MP2607 is by resistance R 27 ground connection, the pin 4 of described chip MP2607 is by resistance R 18 ground connection, the pin 5 of described chip MP2607 is by nonpolar capacitor C 9 ground connection, the pin 8 of described chip MP2607 joins with an end of described resistance R 15 and passes through resistance R 14 ground connection, the pin 9 of described chip MP2607 joins with an end of described resistance R 16, the negative pole of the other end of described resistance R 16 and described red light emitting diodes DS2 joins, the output terminal VCC37 of the positive pole of described red light emitting diodes DS2 and described rechargeable battery joins, the pin 10 of described chip MP2607 joins with an end of described resistance R 17, the negative pole of the other end of described resistance R 17 and described green LED DS3 joins, the output terminal VCC37 of the positive pole of described green LED DS3 and described rechargeable battery joins, the pin 11 of described chip MP2607 and pin 12 all join with the other end of the first output terminal VCHG of described usb circuit module and resistance R 15 and by nonpolar capacitor C 10 ground connection, the pin 13 of described chip MP2607 and pin 14 all join the pin 0 of described chip MP2607 with the output terminal VCC37 of described rechargeable battery, pin 6 and pin 7, the pin 2 equal ground connection of the other end of nonpolar capacitor C 22 and bipod connector JP1.

Above-mentioned a kind of intelligent anti-theft device, it is characterized in that: it is that the first voltage conversion circuit module of 3.3V voltage and the 3.3V voltage transitions that is used for the output of the first voltage conversion circuit module are the second voltage conversion circuit module of 2.5V voltage that described voltage conversion circuit module comprises for the 3.7V voltage transitions with rechargeable battery output, the described first voltage conversion circuit module is by chip MAX8877-33 and polar capacitor CE2, and nonpolar capacitor C 2, C4 and C6 constitute; One end of the pin 1 of described chip MAX8877-33 and pin 3 and described nonpolar capacitor C 2 all joins with the output terminal VCC37 of described rechargeable battery, the pin 4 of described chip MAX8877-33 joins with an end of nonpolar capacitor C 6, the end of the pin 6 of described chip MAX8877-33 and an end of described nonpolar capacitor C 4 and polar capacitor CE2 joins and is the output terminal VCC33 of the described first voltage conversion circuit module, the pin 2 of described chip MAX8877-33, the other end of nonpolar capacitor C 6, the equal ground connection of the negative pole of the other end of nonpolar capacitor C 4 and polar capacitor CE2; The described second voltage conversion circuit module is by chip MAX8877-25 and polar capacitor CE1, and nonpolar capacitor C 1, C3 and C5 constitute; One end of the pin 1 of described chip MAX8877-25 and pin 3 and described nonpolar capacitor C 1 all joins with the output terminal VCC33 of the described first voltage conversion circuit module, the pin 4 of described chip MAX8877-25 joins with an end of nonpolar capacitor C 5, the end of the pin 6 of described chip MAX8877-25 and an end of described nonpolar capacitor C 3 and polar capacitor CE1 joins and is the output terminal VCC25 of the described second voltage conversion circuit module, the pin 2 of described chip MAX8877-25, the other end of nonpolar capacitor C 5, the equal ground connection of the negative pole of the other end of nonpolar capacitor C 3 and polar capacitor CE1.

Above-mentioned a kind of intelligent anti-theft device is characterized in that: described microprocessor module is by single-chip microcomputer C8051F023, nonpolar capacitor C 11 and polar capacitor CE6, and constitutes with crystal oscillating circuit and reset circuit that described single-chip microcomputer C8051F023 joins; The pin 7 of described single-chip microcomputer C8051F023 and pin 8 all join with an end of described nonpolar capacitor C 11 and the positive pole of polar capacitor CE6, the pin 24 of described single-chip microcomputer C8051F023, pin 41 and pin 57 all join with the output terminal VCC33 of the described first voltage conversion circuit module, the pin 6 of described single-chip microcomputer C8051F023 joins by the output terminal VCC33 of inductance CZ1 and the described first voltage conversion circuit module, the pin 1 of described single-chip microcomputer C8051F023, pin 2, pin 3, pin 4, pin 5, pin 63 and pin 64 are all by inductance CZ2 ground connection, the pin 19 of described single-chip microcomputer C8051F023, pin 25 and pin 40, and the equal ground connection of negative pole of the other end of nonpolar capacitor C 11 and polar capacitor CE6; Described crystal oscillating circuit is made of crystal oscillator Y1 and nonpolar capacitor C 34 and C35, the end of described crystal oscillator Y1 and the pin 17 of described single-chip microcomputer C8051F023 joins and by nonpolar capacitor C 34 ground connection, the pin 18 of the other end of described crystal oscillator Y1 and described single-chip microcomputer C8051F023 join and by nonpolar capacitor C 35 ground connection; Described reset circuit is made of resistance R 7 and polar capacitor CE7, the output terminal VCC33 of one end of described resistance R 7 and the described second voltage conversion circuit module joins, the anodal of the other end of described resistance R 7 and described polar capacitor CE7 all joins the minus earth of described polar capacitor CE7 with the pin 62 of described single-chip microcomputer C8051F023.

Above-mentioned a kind of intelligent anti-theft device, it is characterized in that: described battery electric quantity testing circuit module is by resistance R 1, R3 and R4, and nonpolar capacitor C 7 constitutes, one end of described resistance R 1 and the output terminal VCC37 of described rechargeable battery join, one end of the other end of described resistance R 1 and described resistance R 3 and an end of resistance R 4 join, one end of the other end of described resistance R 4 and nonpolar capacitor C 7 all joins the equal ground connection of the other end of the other end of described resistance R 3 and nonpolar capacitor C 7 with pin 9 and the pin 10 of described single-chip microcomputer C8051F023; Described charging testing circuit module is by resistance R 6, R2 and R5, and nonpolar capacitor C 8 constitutes, the first output terminal VCHG of one end of described resistance R 6 and described usb circuit module joins, one end of the other end of described resistance R 6 and described resistance R 2 and an end of resistance R 5 join, one end of the other end of described resistance R 5 and nonpolar capacitor C 8 all joins the equal ground connection of the other end of the other end of described resistance R 2 and nonpolar capacitor C 8 with pin 11 and the pin 12 of described single-chip microcomputer C8051F023.

Above-mentioned a kind of intelligent anti-theft device is characterized in that: described bus buffer circuit module is by chip SN74AHC245 and nonpolar capacitor C 13, and resistance R 9 and R10 formation; The pin 1 of described chip SN74AHC245, pin 10 and pin 19 equal ground connection, the pin 2 of described chip SN74AHC245 joins with the pin 52 of described single-chip microcomputer C8051F023, the pin 5 of described chip SN74AHC245 joins with the pin 36 of described single-chip microcomputer C8051F023, the pin 7 of described chip SN74AHC245 joins with the pin 35 of described single-chip microcomputer C8051F023, the pin 14 of described chip SN74AHC245 joins by the pin 45 of resistance R 10 with described single-chip microcomputer C8051F023, the pin 17 of described chip SN74AHC245 joins by resistance R 9 pin 53 with described single-chip microcomputer C8051F023, and the pin 20 of described chip SN74AHC245 joins with the output terminal VCC25 of the described second voltage conversion circuit module and by nonpolar capacitor C 13 ground connection.

Above-mentioned a kind of intelligent anti-theft device, it is characterized in that: described CDMA module is by chip CEM800 and nonpolar capacitor C 18, C19, C20, C21 and C36 constitute, the pin 1 of described chip CEM800, pin 3, pin 5 and pin 7 all join with the output terminal VCC37 of described rechargeable battery, the pin 2 of described chip CEM800, pin 4, pin 6, pin 8, pin 50 and pin 56 equal ground connection, the pin 30 of described chip CEM800 joins with the pin 18 of described chip SN74AHC245, the pin 32 of described chip CEM800 joins with the pin 3 of described chip SN74AHC245, the pin 36 of described chip CEM800 joins with the pin 6 of described chip SN74AHC245, the pin 38 of described chip CEM800 joins with the pin 13 of described chip SN74AHC245, the pin 59 of described chip CEM800 joins with the second output terminal VUSBK of described usb circuit module and by nonpolar capacitor C 36 ground connection, described nonpolar capacitor C 18, C19, C20, C21 and C36 also are connected between the output terminal VCC37 and ground of rechargeable battery.

Above-mentioned a kind of intelligent anti-theft device, it is characterized in that: described UIM card interface circuit module is by UIM draw-in groove UIM, resistance R 11, R20, R21 and R22, nonpolar capacitor C 14, C23, C24 and C25, and voltage stabilizing diode D4, D5, D6 and D7 constitute, the pin 2 of described UIM draw-in groove UIM joins with the pin 46 of described chip CEM800 and an end of resistance R 11, the pin 3 of described UIM draw-in groove UIM joins with an end of described resistance R 22, the other end of described resistance R 11, the other end of resistance R 22, one end of nonpolar capacitor C 23 and the negative pole of voltage stabilizing diode D5 all join with the pin 44 of described chip CEM800, the pin 4 of described UIM draw-in groove UIM, one end of nonpolar capacitor C 14 and the negative pole of voltage stabilizing diode D4 all join with the pin 46 of described chip CEM800, the pin 5 of described UIM draw-in groove UIM joins with an end of described resistance R 20, the other end of described resistance R 20, one end of nonpolar capacitor C 24 and the negative pole of voltage stabilizing diode D6 all join with the pin 42 of described chip CEM800, the pin 6 of described UIM draw-in groove UIM joins with an end of described resistance R 21, the other end of described resistance R 21, one end of nonpolar capacitor C 25 and the negative pole of voltage stabilizing diode D7 all join the pin 1 of described UIM draw-in groove UIM with the pin 48 of described chip CEM800, the other end of nonpolar capacitor C 14, the positive pole of voltage stabilizing diode D4, the other end of nonpolar capacitor C 23, the positive pole of voltage stabilizing diode D5, the other end of nonpolar capacitor C 24, the positive pole of voltage stabilizing diode D6, anodal all ground connection of the other end of nonpolar capacitor C 25 and voltage stabilizing diode D7.

Above-mentioned a kind of intelligent anti-theft device, it is characterized in that: described working station indicator by the light emitting diode D1 that is used to indicate the cdma communication network signal intensity, be used to indicate the light emitting diode D2 that the CDMA module communicating by letter and be used to indicate the normal light emitting diode D3 of CDMA module for power supply, and resistance R 12, R13, R23, R24 and R25 constitute; The positive pole of described light emitting diode D1, the positive pole of light emitting diode D2, the positive pole of light emitting diode D3, one end of resistance R 12 and an end of resistance R 13 all join with the output terminal VCC33 of the described first voltage conversion circuit module, the negative pole of described light emitting diode D1 joins by the pin 19 of resistance R 23 with described chip CEM800, the negative pole of described light emitting diode D2 joins by the pin 17 of resistance R 24 with described chip CEM800, the negative pole of light emitting diode D3 joins by the pin 15 of resistance R 25 with described chip CEM800, the pin 13 of the other end of described resistance R 12 and described chip CEM800 joins, and the pin 11 of the other end of resistance R 13 and described chip CEM800 joins.

The utility model compared with prior art has the following advantages:

1, the utility model has adopted modular design, and is simple in structure, reasonable in design, and it is convenient to realize.

2, the utility model adopts CDMA technology to realize mobile object, position and follow the trail of as belongings such as the vehicles such as automobile, suitcase, child's school bag etc., CDMA can allow all users to use whole frequency bands simultaneously, and the signal that other users are sent is considered as noise, needn't consider the problem of signal collision fully, the good in anti-interference performance of communication, system works is reliable and stable.

3, the utility model CDMA module adopts chip CEM800 to realize, chip CEM800 is the CDMA3G module, wherein comprise the GPS positioning function, when outdoor, can position by the GPS technology, when indoor, can't use owing to the GPS loss signal, the CDMA module can realize indoor positioning by the cdma communication base station, and the real-time performance of communication is good, non-blind area; Even after stolen, also can in time inquire about the positional information of article, make things convenient for user and police to recover and lose article.

4, use simple operation of the present utility model reaches up to a hundred hours the service time that antitheft terminal is once charged, and can be so that antitheft terminal miniaturization, can be hidden well, be difficult for arousing attention.

5, the antitheft terminal of the utility model is provided with the usb circuit module, can adopt USB interface to charge, and charging is convenient, is applicable to place and crowd widely.

6, realization cost of the present utility model is low, can with the supporting use of user mobile phone, can protect property safety and personal safety whenever and wherever possible, result of use is good, is convenient to promote the use of.

In sum, the utility model is simple in structure, and is reasonable in design, uses simple operation, non-blind area, and location tracking accuracy height, working stability is reliable, realizes that cost is low, and result of use is good, is convenient to promote the use of.

Below by drawings and Examples, the technical solution of the utility model is described in further detail.

Description of drawings

Fig. 1 is schematic block circuit diagram of the present utility model.

Fig. 2 is the circuit theory diagrams of the utility model usb circuit module.

Fig. 3 is the circuit theory diagrams of the utility model charge management circuit module.

Fig. 4 is the circuit theory diagrams of the utility model voltage conversion circuit module.

Fig. 5 is the circuit theory diagrams of the utility model microprocessor module.

Fig. 6 is the circuit theory diagrams of the utility model battery electric quantity testing circuit module.

Fig. 7 is the circuit theory diagrams of the utility model charging testing circuit module.

Fig. 8 is the circuit theory diagrams of the utility model bus buffer circuit module.

Fig. 9 is the circuit theory diagrams of the utility model CDMA module.

Figure 10 is the circuit theory diagrams of the utility model UIM card interface circuit module.

Figure 11 is the circuit theory diagrams of the utility model working station indicator.

Description of reference numerals:

1-microprocessor module; 2-bus buffer circuit module; 3-CDMA module;

4-UIM card interface circuit module; 5-UIM card;

6-rechargeable battery; 7-charge management circuit module; 8-voltage conversion circuit module;

9-usb circuit module; 10-battery electric quantity testing circuit module;

11-charging testing circuit module; 12-working station indicator;

13-user mobile phone.

Embodiment

As shown in Figure 1, the utility model comprises the antitheft terminal that puts together with monitored object and the user mobile phone 13 that is connected and carries out two-way communication by the cdma communication base station radio with antitheft terminal, described antitheft terminal comprises microprocessor module 1 and is the power module of each electricity consumption module for power supply in the antitheft terminal, and the bus buffer circuit module 2 of joining with described microprocessor module 1, the CDMA module 3 of joining with described bus buffer circuit module 2 and the UIM card interface circuit module 4 of joining with described CDMA module 3, be connected to UIM card 5 on the described UIM card interface circuit module 4, described power module comprises rechargeable battery 6 and charge management circuit module 7 and the voltage conversion circuit module 8 of joining with described rechargeable battery 6, be connected to usb circuit module 9 on the described charge management circuit module 7, the input end of described microprocessor module 1 is connected to battery electric quantity testing circuit module 10 and charging testing circuit module 11, described battery electric quantity testing circuit module 10 is joined with described rechargeable battery 6, described charging testing circuit module 11 is joined with described usb circuit module 9, is connected to for the working station indicator 12 that the duty of CDMA module 3 is indicated on the described CDMA module 3.

As shown in Figure 2, in the present embodiment, described usb circuit module 9 is by MINUSB joint, nonpolar capacitor C 26 and polar capacitor CE5, inductance CZ3 and CZ4, and Transient Suppression Diode TVS1 and TVS2 constitute; The pin 1 of described MINUSB joint and an end of described nonpolar capacitor C 26, the positive pole of polar capacitor CE5, the end of inductance CZ3 and the end of inductance CZ4 join, the pin 2 of described MINUSB joint is by Transient Suppression Diode TVS1 ground connection, the pin 3 of described MINUSB joint is by Transient Suppression Diode TVS2 ground connection, the pin 5 of described MINUSB joint, the equal ground connection of the negative pole of the other end of nonpolar capacitor C 26 and polar capacitor CE5, the other end of described inductance CZ3 is the first output terminal VCHG of described usb circuit module 9, and the other end of described inductance CZ4 is the second output terminal VUSBK of described usb circuit module 9.During use, usb circuit module 9 both can be used for connecting USB interface of computer, gave rechargeable battery 6 chargings; Also can be used for connecting USB flash disk, improve the security of this antitheft terminal, when antitheft lost terminal, in case there is the people that USB flash disk is pulled up, and should antitheft terminal be connected on the USB interface of computer, just have note and send on the user mobile phone, the user just can inquire the particular location of antitheft terminal, searches or reports to the police.

As shown in Figure 3, in the present embodiment, described charge management circuit module 7 is by chip MP2607 and the bipod connector JP1 that is used for being connected rechargeable battery 6, resistance R 14, R15, R16, R17, R18 and R27, nonpolar capacitor C 9, C10 and C22, and be used to indicate the red light emitting diodes DS2 that is charging and be used to indicate the green LED DS3 formation that charging is finished, the pin 1 of described chip MP2607 and pin 2 are for the output terminal of described charge management circuit module 7 and all join with an end of described nonpolar capacitor C 22 and the pin 1 of bipod connector JP1, the pin 3 of described chip MP2607 is by resistance R 27 ground connection, the pin 4 of described chip MP2607 is by resistance R 18 ground connection, the pin 5 of described chip MP2607 is by nonpolar capacitor C 9 ground connection, the pin 8 of described chip MP2607 joins with an end of described resistance R 15 and passes through resistance R 14 ground connection, the pin 9 of described chip MP2607 joins with an end of described resistance R 16, the negative pole of the other end of described resistance R 16 and described red light emitting diodes DS2 joins, the output terminal VCC37 of the positive pole of described red light emitting diodes DS2 and described rechargeable battery 6 joins, the pin 10 of described chip MP2607 joins with an end of described resistance R 17, the negative pole of the other end of described resistance R 17 and described green LED DS3 joins, the output terminal VCC37 of the positive pole of described green LED DS3 and described rechargeable battery 6 joins, the pin 11 of described chip MP2607 and pin 12 all join with the other end of the first output terminal VCHG of described usb circuit module 9 and resistance R 15 and by nonpolar capacitor C 10 ground connection, the pin 13 of described chip MP2607 and pin 14 all join the pin 0 of described chip MP2607 with the output terminal VCC37 of described rechargeable battery 6, pin 6 and pin 7, the pin 2 equal ground connection of the other end of nonpolar capacitor C 22 and bipod connector JP1.

As shown in Figure 4, in the present embodiment, it is that the first voltage conversion circuit module of 3.3V voltage and the 3.3V voltage transitions that is used for the output of the first voltage conversion circuit module are the second voltage conversion circuit module of 2.5V voltage that described voltage conversion circuit module 8 comprises for the 3.7V voltage transitions with rechargeable battery 6 output, the described first voltage conversion circuit module is by chip MAX8877-33 and polar capacitor CE2, and nonpolar capacitor C 2, C4 and C6 constitute; One end of the pin 1 of described chip MAX8877-33 and pin 3 and described nonpolar capacitor C 2 all joins with the output terminal VCC37 of described rechargeable battery 6, the pin 4 of described chip MAX8877-33 joins with an end of nonpolar capacitor C 6, the end of the pin 6 of described chip MAX8877-33 and an end of described nonpolar capacitor C 4 and polar capacitor CE2 joins and is the output terminal VCC33 of the described first voltage conversion circuit module, the pin 2 of described chip MAX8877-33, the other end of nonpolar capacitor C 6, the equal ground connection of the negative pole of the other end of nonpolar capacitor C 4 and polar capacitor CE2; The described second voltage conversion circuit module is by chip MAX8877-25 and polar capacitor CE1, and nonpolar capacitor C 1, C3 and C5 constitute; One end of the pin 1 of described chip MAX8877-25 and pin 3 and described nonpolar capacitor C 1 all joins with the output terminal VCC33 of the described first voltage conversion circuit module, the pin 4 of described chip MAX8877-25 joins with an end of nonpolar capacitor C 5, the end of the pin 6 of described chip MAX8877-25 and an end of described nonpolar capacitor C 3 and polar capacitor CE1 joins and is the output terminal VCC25 of the described second voltage conversion circuit module, the pin 2 of described chip MAX8877-25, the other end of nonpolar capacitor C 5, the equal ground connection of the negative pole of the other end of nonpolar capacitor C 3 and polar capacitor CE1.

As shown in Figure 5, in the present embodiment, described microprocessor module 1 is by single-chip microcomputer C8051F023, nonpolar capacitor C 11 and polar capacitor CE6, and constitutes with crystal oscillating circuit and reset circuit that described single-chip microcomputer C8051F023 joins; The pin 7 of described single-chip microcomputer C8051F023 and pin 8 all join with an end of described nonpolar capacitor C 11 and the positive pole of polar capacitor CE6, the pin 24 of described single-chip microcomputer C8051F023, pin 41 and pin 57 all join with the output terminal VCC33 of the described first voltage conversion circuit module, the pin 6 of described single-chip microcomputer C8051F023 joins by the output terminal VCC33 of inductance CZ1 and the described first voltage conversion circuit module, the pin 1 of described single-chip microcomputer C8051F023, pin 2, pin 3, pin 4, pin 5, pin 63 and pin 64 are all by inductance CZ2 ground connection, the pin 19 of described single-chip microcomputer C8051F023, pin 25 and pin 40, and the equal ground connection of negative pole of the other end of nonpolar capacitor C 11 and polar capacitor CE6; Described crystal oscillating circuit is made of crystal oscillator Y1 and nonpolar capacitor C 34 and C35, the end of described crystal oscillator Y1 and the pin 17 of described single-chip microcomputer C8051F023 joins and by nonpolar capacitor C 34 ground connection, the pin 18 of the other end of described crystal oscillator Y1 and described single-chip microcomputer C8051F023 join and by nonpolar capacitor C 35 ground connection; Described reset circuit is made of resistance R 7 and polar capacitor CE7, the output terminal VCC33 of one end of described resistance R 7 and the described second voltage conversion circuit module joins, the anodal of the other end of described resistance R 7 and described polar capacitor CE7 all joins the minus earth of described polar capacitor CE7 with the pin 62 of described single-chip microcomputer C8051F023.

As shown in Figure 6, in the present embodiment, described battery electric quantity testing circuit module 10 is by resistance R 1, R3 and R4, and nonpolar capacitor C 7 constitutes, one end of described resistance R 1 and the output terminal VCC37 of described rechargeable battery 6 join, one end of the other end of described resistance R 1 and described resistance R 3 and an end of resistance R 4 join, one end of the other end of described resistance R 4 and nonpolar capacitor C 7 all joins the equal ground connection of the other end of the other end of described resistance R 3 and nonpolar capacitor C 7 with pin 9 and the pin 10 of described single-chip microcomputer C8051F023; As shown in Figure 7, in the present embodiment, described charging testing circuit module 11 is by resistance R 6, R2 and R5, and nonpolar capacitor C 8 constitutes, the first output terminal VCHG of one end of described resistance R 6 and described usb circuit module 9 joins, one end of the other end of described resistance R 6 and described resistance R 2 and an end of resistance R 5 join, one end of the other end of described resistance R 5 and nonpolar capacitor C 8 all joins the equal ground connection of the other end of the other end of described resistance R 2 and nonpolar capacitor C 8 with pin 11 and the pin 12 of described single-chip microcomputer C8051F023.During use, 1 pair of battery electric quantity testing circuit of microprocessor module module, 10 detected signals carry out analyzing and processing, when analyzing and processing obtains battery electric quantity when low, send SMS message to user mobile phone 13 by CDMA module 3 and UIM card 5, remind the user to charge; 1 pair of charging of microprocessor module testing circuit module, 11 detected signals carry out analyzing and processing, judge whether antitheft terminal charges.

As shown in Figure 8, in the present embodiment, described bus buffer circuit module 2 is by chip SN74AHC245 and nonpolar capacitor C 13, and resistance R 9 and R10 formation; The pin 1 of described chip SN74AHC245, pin 10 and pin 19 equal ground connection, the pin 2 of described chip SN74AHC245 joins with the pin 52 of described single-chip microcomputer C8051F023, the pin 5 of described chip SN74AHC245 joins with the pin 36 of described single-chip microcomputer C8051F023, the pin 7 of described chip SN74AHC245 joins with the pin 35 of described single-chip microcomputer C8051F023, the pin 14 of described chip SN74AHC245 joins by the pin 45 of resistance R 10 with described single-chip microcomputer C8051F023, the pin 17 of described chip SN74AHC245 joins by resistance R 9 pin 53 with described single-chip microcomputer C8051F023, and the pin 20 of described chip SN74AHC245 joins with the output terminal VCC25 of the described second voltage conversion circuit module and by nonpolar capacitor C 13 ground connection.

As shown in Figure 9, in the present embodiment, described CDMA module 3 is by chip CEM800 and nonpolar capacitor C 18, C19, C20, C21 and C36 constitute, the pin 1 of described chip CEM800, pin 3, pin 5 and pin 7 all join with the output terminal VCC37 of described rechargeable battery 6, the pin 2 of described chip CEM800, pin 4, pin 6, pin 8, pin 50 and pin 56 equal ground connection, the pin 30 of described chip CEM800 joins with the pin 18 of described chip SN74AHC245, the pin 32 of described chip CEM800 joins with the pin 3 of described chip SN74AHC245, the pin 36 of described chip CEM800 joins with the pin 6 of described chip SN74AHC245, the pin 38 of described chip CEM800 joins with the pin 13 of described chip SN74AHC245, the pin 59 of described chip CEM800 joins with the second output terminal VUSBK of described usb circuit module 9 and by nonpolar capacitor C 36 ground connection, described nonpolar capacitor C 18, C19, C20, C21 and C36 also are connected between the output terminal VCC37 and ground of rechargeable battery 6.

As shown in figure 10, in the present embodiment, described UIM card interface circuit module 4 is by UIM draw-in groove UIM, resistance R 11, R20, R21 and R22, nonpolar capacitor C 14, C23, C24 and C25, and voltage stabilizing diode D4, D5, D6 and D7 constitute, the pin 2 of described UIM draw-in groove UIM joins with the pin 46 of described chip CEM800 and an end of resistance R 11, the pin 3 of described UIM draw-in groove UIM joins with an end of described resistance R 22, the other end of described resistance R 11, the other end of resistance R 22, one end of nonpolar capacitor C 23 and the negative pole of voltage stabilizing diode D5 all join with the pin 44 of described chip CEM800, the pin 4 of described UIM draw-in groove UIM, one end of nonpolar capacitor C 14 and the negative pole of voltage stabilizing diode D4 all join with the pin 46 of described chip CEM800, the pin 5 of described UIM draw-in groove UIM joins with an end of described resistance R 20, the other end of described resistance R 20, one end of nonpolar capacitor C 24 and the negative pole of voltage stabilizing diode D6 all join with the pin 42 of described chip CEM800, the pin 6 of described UIM draw-in groove UIM joins with an end of described resistance R 21, the other end of described resistance R 21, one end of nonpolar capacitor C 25 and the negative pole of voltage stabilizing diode D7 all join the pin 1 of described UIM draw-in groove UIM with the pin 48 of described chip CEM800, the other end of nonpolar capacitor C 14, the positive pole of voltage stabilizing diode D4, the other end of nonpolar capacitor C 23, the positive pole of voltage stabilizing diode D5, the other end of nonpolar capacitor C 24, the positive pole of voltage stabilizing diode D6, anodal all ground connection of the other end of nonpolar capacitor C 25 and voltage stabilizing diode D7.

As shown in figure 11, in the present embodiment, described working station indicator 12 by the light emitting diode D1 that is used to indicate the cdma communication network signal intensity, be used to indicate the light emitting diode D2 that CDMA module 3 communicating by letter and be used to indicate the normal light emitting diode D3 of CDMA module 3 power supplies, and resistance R 12, R13, R23, R24 and R25 constitute; The positive pole of described light emitting diode D1, the positive pole of light emitting diode D2, the positive pole of light emitting diode D3, one end of resistance R 12 and an end of resistance R 13 all join with the output terminal VCC33 of the described first voltage conversion circuit module, the negative pole of described light emitting diode D1 joins by the pin 19 of resistance R 23 with described chip CEM800, the negative pole of described light emitting diode D2 joins by the pin 17 of resistance R 24 with described chip CEM800, the negative pole of light emitting diode D3 joins by the pin 15 of resistance R 25 with described chip CEM800, the pin 13 of the other end of described resistance R 12 and described chip CEM800 joins, and the pin 11 of the other end of resistance R 13 and described chip CEM800 joins.

Principle of work of the present utility model and the course of work are: be put into monitored object (as automobile after the rechargeable battery 6 of antitheft terminal is installed, suitcase, child's school bag etc.) in, in the monitored movement of objects process, antitheft terminal is located in real time to the latitude and longitude coordinates of mobile object, when the user need inquire about the position of monitored object, the user sends SMS message by user mobile phone 13 and inquires about, microprocessor module 1 in the antitheft terminal receives the inquiry short message and carries out analyzing and processing by CDMA module 3 and UIM card 5, start the GPS function on the CDMA module 3, if mobile object is outdoor, then can position by the GPS on the CDMA module 3, obtain latitude and longitude information, if mobile object is indoor, 3 of CDMA modules can't obtain the relevant coordinate of GPS location, and then CDMA module 3 realizes the indoor positioning of antitheft terminal by near cdma communication base station; Then, CDMA module 3 and UIM card 5 send to the latitude and longitude coordinates that the obtains form with note on the user mobile phone 13 by the cdma communication base station, check for the user.

Obtain the motion track of mobile object if desired; can regularly send Query Information to antitheft terminal; finish said process successively; just can obtain the motion track of mobile object; make things convenient for the user of service to check belongings, children such as the vehicles, suitcase such as the automobile status information in the way etc. of going to school and leaving school at any time; to reach the purpose of protection property safety, whole process operation is convenient simple.

The above; it only is preferred embodiment of the present utility model; be not that the utility model is imposed any restrictions; every any simple modification, change and equivalent structure of above embodiment being done according to the utility model technical spirit changes, and all still belongs in the protection domain of technical solutions of the utility model.

Claims

1. intelligent anti-theft device, it is characterized in that: comprise the antitheft terminal that puts together with monitored object and the user mobile phone (13) that is connected and carries out two-way communication by the cdma communication base station radio with antitheft terminal, described antitheft terminal comprises microprocessor module (1) and is the power module of each electricity consumption module for power supply in the antitheft terminal, and the bus buffer circuit module (2) of joining with described microprocessor module (1), the CDMA module (3) of joining with described bus buffer circuit module (2) and the UIM card interface circuit module (4) of joining with described CDMA module (3), be connected to UIM card (5) on the described UIM card interface circuit module (4), described power module comprises rechargeable battery (6) and charge management circuit module (7) and the voltage conversion circuit module (8) of joining with described rechargeable battery (6), be connected to usb circuit module (9) on the described charge management circuit module (7), the input end of described microprocessor module (1) is connected to battery electric quantity testing circuit module (10) and charging testing circuit module (11), described battery electric quantity testing circuit module (10) is joined with described rechargeable battery (6), described charging testing circuit module (11) is joined with described usb circuit module (9), is connected on the described CDMA module (3) for the working station indicator (12) that the duty of CDMA module (3) is indicated.

2. according to the described a kind of intelligent anti-theft device of claim 1, it is characterized in that: described usb circuit module (9) is by MINUSB joint, nonpolar capacitor C 26 and polar capacitor CE5, inductance CZ3 and CZ4, and Transient Suppression Diode TVS1 and TVS2 formation; The pin 1 of described MINUSB joint and an end of described nonpolar capacitor C 26, the positive pole of polar capacitor CE5, the end of inductance CZ3 and the end of inductance CZ4 join, the pin 2 of described MINUSB joint is by Transient Suppression Diode TVS1 ground connection, the pin 3 of described MINUSB joint is by Transient Suppression Diode TVS2 ground connection, the pin 5 of described MINUSB joint, the equal ground connection of the negative pole of the other end of nonpolar capacitor C 26 and polar capacitor CE5, the other end of described inductance CZ3 is the first output terminal VCHG of described usb circuit module (9), and the other end of described inductance CZ4 is the second output terminal VUSBK of described usb circuit module (9).

3. according to the described a kind of intelligent anti-theft device of claim 2, it is characterized in that: described charge management circuit module (7) is by chip MP2607 and the bipod connector JP1 that is used for being connected rechargeable battery (6), resistance R 14, R15, R16, R17, R18 and R27, nonpolar capacitor C 9, C10 and C22, and be used to indicate the red light emitting diodes DS2 that is charging and be used to indicate the green LED DS3 formation that charging is finished, the pin 1 of described chip MP2607 and pin 2 are for the output terminal of described charge management circuit module (7) and all join with an end of described nonpolar capacitor C 22 and the pin 1 of bipod connector JP1, the pin 3 of described chip MP2607 is by resistance R 27 ground connection, the pin 4 of described chip MP2607 is by resistance R 18 ground connection, the pin 5 of described chip MP2607 is by nonpolar capacitor C 9 ground connection, the pin 8 of described chip MP2607 joins with an end of described resistance R 15 and passes through resistance R 14 ground connection, the pin 9 of described chip MP2607 joins with an end of described resistance R 16, the negative pole of the other end of described resistance R 16 and described red light emitting diodes DS2 joins, the output terminal VCC37 of the positive pole of described red light emitting diodes DS2 and described rechargeable battery (6) joins, the pin 10 of described chip MP2607 joins with an end of described resistance R 17, the negative pole of the other end of described resistance R 17 and described green LED DS3 joins, the output terminal VCC37 of the positive pole of described green LED DS3 and described rechargeable battery (6) joins, the pin 11 of described chip MP2607 and pin 12 all join with the other end of the first output terminal VCHG of described usb circuit module (9) and resistance R 15 and by nonpolar capacitor C 10 ground connection, the pin 13 of described chip MP2607 and pin 14 all join the pin 0 of described chip MP2607 with the output terminal VCC37 of described rechargeable battery (6), pin 6 and pin 7, the pin 2 equal ground connection of the other end of nonpolar capacitor C 22 and bipod connector JP1.

4. according to the described a kind of intelligent anti-theft device of claim 2, it is characterized in that: it is that the first voltage conversion circuit module of 3.3V voltage and the 3.3V voltage transitions that is used for the output of the first voltage conversion circuit module are the second voltage conversion circuit module of 2.5V voltage that described voltage conversion circuit module (8) comprises for the 3.7V voltage transitions with rechargeable battery (6) output, the described first voltage conversion circuit module is by chip MAX8877-33 and polar capacitor CE2, and nonpolar capacitor C 2, C4 and C6 constitute; One end of the pin 1 of described chip MAX8877-33 and pin 3 and described nonpolar capacitor C 2 all joins with the output terminal VCC37 of described rechargeable battery (6), the pin 4 of described chip MAX8877-33 joins with an end of nonpolar capacitor C 6, the end of the pin 6 of described chip MAX8877-33 and an end of described nonpolar capacitor C 4 and polar capacitor CE2 joins and is the output terminal VCC33 of the described first voltage conversion circuit module, the pin 2 of described chip MAX8877-33, the other end of nonpolar capacitor C 6, the equal ground connection of the negative pole of the other end of nonpolar capacitor C 4 and polar capacitor CE2; The described second voltage conversion circuit module is by chip MAX8877-25 and polar capacitor CE1, and nonpolar capacitor C 1, C3 and C5 constitute; One end of the pin 1 of described chip MAX8877-25 and pin 3 and described nonpolar capacitor C 1 all joins with the output terminal VCC33 of the described first voltage conversion circuit module, the pin 4 of described chip MAX8877-25 joins with an end of nonpolar capacitor C 5, the end of the pin 6 of described chip MAX8877-25 and an end of described nonpolar capacitor C 3 and polar capacitor CE1 joins and is the output terminal VCC25 of the described second voltage conversion circuit module, the pin 2 of described chip MAX8877-25, the other end of nonpolar capacitor C 5, the equal ground connection of the negative pole of the other end of nonpolar capacitor C 3 and polar capacitor CE1.

5. according to the described a kind of intelligent anti-theft device of claim 4, it is characterized in that: described microprocessor module (1) is by single-chip microcomputer C8051F023, nonpolar capacitor C 11 and polar capacitor CE6, and constitutes with crystal oscillating circuit and reset circuit that described single-chip microcomputer C8051F023 joins; The pin 7 of described single-chip microcomputer C8051F023 and pin 8 all join with an end of described nonpolar capacitor C 11 and the positive pole of polar capacitor CE6, the pin 24 of described single-chip microcomputer C8051F023, pin 41 and pin 57 all join with the output terminal VCC33 of the described first voltage conversion circuit module, the pin 6 of described single-chip microcomputer C8051F023 joins by the output terminal VCC33 of inductance CZ1 and the described first voltage conversion circuit module, the pin 1 of described single-chip microcomputer C8051F023, pin 2, pin 3, pin 4, pin 5, pin 63 and pin 64 are all by inductance CZ2 ground connection, the pin 19 of described single-chip microcomputer C8051F023, pin 25 and pin 40, and the equal ground connection of negative pole of the other end of nonpolar capacitor C 11 and polar capacitor CE6; Described crystal oscillating circuit is made of crystal oscillator Y1 and nonpolar capacitor C 34 and C35, the end of described crystal oscillator Y1 and the pin 17 of described single-chip microcomputer C8051F023 joins and by nonpolar capacitor C 34 ground connection, the pin 18 of the other end of described crystal oscillator Y1 and described single-chip microcomputer C8051F023 join and by nonpolar capacitor C 35 ground connection; Described reset circuit is made of resistance R 7 and polar capacitor CE7, the output terminal VCC33 of one end of described resistance R 7 and the described second voltage conversion circuit module joins, the anodal of the other end of described resistance R 7 and described polar capacitor CE7 all joins the minus earth of described polar capacitor CE7 with the pin 62 of described single-chip microcomputer C8051F023.

6. according to the described a kind of intelligent anti-theft device of claim 5, it is characterized in that: described battery electric quantity testing circuit module (10) is by resistance R 1, R3 and R4, and nonpolar capacitor C 7 constitutes, the output terminal VCC37 of one end of described resistance R 1 and described rechargeable battery (6) joins, one end of the other end of described resistance R 1 and described resistance R 3 and an end of resistance R 4 join, one end of the other end of described resistance R 4 and nonpolar capacitor C 7 all joins the equal ground connection of the other end of the other end of described resistance R 3 and nonpolar capacitor C 7 with pin 9 and the pin 10 of described single-chip microcomputer C8051F023; Described charging testing circuit module (11) is by resistance R 6, R2 and R5, and nonpolar capacitor C 8 constitutes, the first output terminal VCHG of one end of described resistance R 6 and described usb circuit module (9) joins, one end of the other end of described resistance R 6 and described resistance R 2 and an end of resistance R 5 join, one end of the other end of described resistance R 5 and nonpolar capacitor C 8 all joins the equal ground connection of the other end of the other end of described resistance R 2 and nonpolar capacitor C 8 with pin 11 and the pin 12 of described single-chip microcomputer C8051F023.

7. according to the described a kind of intelligent anti-theft device of claim 5, it is characterized in that: described bus buffer circuit module (2) is by chip SN74AHC245 and nonpolar capacitor C 13, and resistance R 9 and R10 formation; The pin 1 of described chip SN74AHC245, pin 10 and pin 19 equal ground connection, the pin 2 of described chip SN74AHC245 joins with the pin 52 of described single-chip microcomputer C8051F023, the pin 5 of described chip SN74AHC245 joins with the pin 36 of described single-chip microcomputer C8051F023, the pin 7 of described chip SN74AHC245 joins with the pin 35 of described single-chip microcomputer C8051F023, the pin 14 of described chip SN74AHC245 joins by the pin 45 of resistance R 10 with described single-chip microcomputer C8051F023, the pin 17 of described chip SN74AHC245 joins by resistance R 9 pin 53 with described single-chip microcomputer C8051F023, and the pin 20 of described chip SN74AHC245 joins with the output terminal VCC25 of the described second voltage conversion circuit module and by nonpolar capacitor C 13 ground connection.

8. according to the described a kind of intelligent anti-theft device of claim 7, it is characterized in that: described CDMA module (3) is by chip CEM800 and nonpolar capacitor C 18, C19, C20, C21 and C36 constitute, the pin 1 of described chip CEM800, pin 3, pin 5 and pin 7 all join with the output terminal VCC37 of described rechargeable battery (6), the pin 2 of described chip CEM800, pin 4, pin 6, pin 8, pin 50 and pin 56 equal ground connection, the pin 30 of described chip CEM800 joins with the pin 18 of described chip SN74AHC245, the pin 32 of described chip CEM800 joins with the pin 3 of described chip SN74AHC245, the pin 36 of described chip CEM800 joins with the pin 6 of described chip SN74AHC245, the pin 38 of described chip CEM800 joins with the pin 13 of described chip SN74AHC245, the pin 59 of described chip CEM800 joins with the second output terminal VUSBK of described usb circuit module (9) and by nonpolar capacitor C 36 ground connection, described nonpolar capacitor C 18, C19, C20, C21 and C36 also are connected between the output terminal VCC37 and ground of rechargeable battery (6).

9. according to the described a kind of intelligent anti-theft device of claim 8, it is characterized in that: described UIM card interface circuit module (4) is by UIM draw-in groove UIM, resistance R 11, R20, R21 and R22, nonpolar capacitor C 14, C23, C24 and C25, and voltage stabilizing diode D4, D5, D6 and D7 constitute, the pin 2 of described UIM draw-in groove UIM joins with the pin 46 of described chip CEM800 and an end of resistance R 11, the pin 3 of described UIM draw-in groove UIM joins with an end of described resistance R 22, the other end of described resistance R 11, the other end of resistance R 22, one end of nonpolar capacitor C 23 and the negative pole of voltage stabilizing diode D5 all join with the pin 44 of described chip CEM800, the pin 4 of described UIM draw-in groove UIM, one end of nonpolar capacitor C 14 and the negative pole of voltage stabilizing diode D4 all join with the pin 46 of described chip CEM800, the pin 5 of described UIM draw-in groove UIM joins with an end of described resistance R 20, the other end of described resistance R 20, one end of nonpolar capacitor C 24 and the negative pole of voltage stabilizing diode D6 all join with the pin 42 of described chip CEM800, the pin 6 of described UIM draw-in groove UIM joins with an end of described resistance R 21, the other end of described resistance R 21, one end of nonpolar capacitor C 25 and the negative pole of voltage stabilizing diode D7 all join the pin 1 of described UIM draw-in groove UIM with the pin 48 of described chip CEM800, the other end of nonpolar capacitor C 14, the positive pole of voltage stabilizing diode D4, the other end of nonpolar capacitor C 23, the positive pole of voltage stabilizing diode D5, the other end of nonpolar capacitor C 24, the positive pole of voltage stabilizing diode D6, anodal all ground connection of the other end of nonpolar capacitor C 25 and voltage stabilizing diode D7.

10. according to the described a kind of intelligent anti-theft device of claim 8, it is characterized in that: described working station indicator (12) by the light emitting diode D1 that is used to indicate the cdma communication network signal intensity, be used to indicate the light emitting diode D2 that CDMA module (3) communicating by letter and be used in reference to the normal light emitting diode D3 of CDMA module (3) power supply, and resistance R 12, R13, R23, R24 and R25 constitute; The positive pole of described light emitting diode D1, the positive pole of light emitting diode D2, the positive pole of light emitting diode D3, one end of resistance R 12 and an end of resistance R 13 all join with the output terminal VCC33 of the described first voltage conversion circuit module, the negative pole of described light emitting diode D1 joins by the pin 19 of resistance R 23 with described chip CEM800, the negative pole of described light emitting diode D2 joins by the pin 17 of resistance R 24 with described chip CEM800, the negative pole of light emitting diode D3 joins by the pin 15 of resistance R 25 with described chip CEM800, the pin 13 of the other end of described resistance R 12 and described chip CEM800 joins, and the pin 11 of the other end of resistance R 13 and described chip CEM800 joins.