CN217037176U

CN217037176U - Double-network-communication multifunctional mobile police intelligent terminal

Info

Publication number: CN217037176U
Application number: CN202220975813.2U
Authority: CN
Inventors: 李宪辉
Original assignee: Zhutai Shenzhen Information Technology Co ltd
Current assignee: Zhutai Shenzhen Information Technology Co ltd
Priority date: 2022-04-25
Filing date: 2022-04-25
Publication date: 2022-07-22
Anticipated expiration: 2032-04-25

Abstract

Double-network-through multifunctional mobile police intelligent terminal, realize the communication function in the mobile network environment through communication module, realize PDT intercommunication function through PDT encryption card unit, through setting up M6 interface unit access AR intelligent glasses, certificate recognition unit discernment and reading ID card, double-network communication function under mobile network and PDT environment has not only been realized, and with multiple intelligent equipment integration such as AR intelligent glasses that police officer commonly used, PDT intercom, ID card reader, the burden and the inconvenience that police officer wore many equipment have significantly reduced, use efficiency is improved, the defect that the function singleness that intelligent equipment that has solved present police officer configuration exists, it is inconvenient to use and inefficiency.

Description

Double-network-communication multifunctional mobile police intelligent terminal

Technical Field

The utility model relates to the field of intelligent equipment for police officers, in particular to a dual-network-communication multifunctional mobile police intelligent terminal.

Background

Along with the continuous development of the society, equipment of police officers is more and more equipped, the burden of the police officers is heavier and more, and according to 'police single police equipment outfit standard' promulgated by the ministry of public Security, 'prison people police equipment outfit standard (trial implementation)' issued by the ministry of justice, and the like and other industry equipment standards, the equipped equipment has single function and low utilization rate, and inconvenience is brought to the police officers.

PDT (police digital trunking communication system) is a digital trunking technical system developed by special organization of China police department, and a special PDT interphone needs to be configured; however, the intelligent equipment such as AR intelligent glasses and police officers equipped by the police officers needs to be used in a mobile network environment, and the intelligent equipment configured by the police officers is too much, which not only causes low practical efficiency, but also increases the burden of the police officers.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide a dual-network multifunctional mobile police service intelligent terminal, which realizes the communication function in a mobile network environment through a communication module, realizes the PDT talkback function through a PDT encryption card unit, realizes the dual-network communication function in the mobile network and PDT environment by arranging an M6 interface unit to access AR intelligent glasses and a certificate identification unit to identify and read an identity card, integrates multiple intelligent devices such as AR intelligent glasses, PDT interphones, identity card readers and the like commonly used by police service personnel into a whole, greatly reduces the burden and inconvenience of the police service personnel for wearing multiple devices, improves the use efficiency, and solves the defects of single function, inconvenience for use and low efficiency of the intelligent devices configured by the police service personnel at present.

The utility model is realized in this way, the technical scheme adopted by the dual-network multifunctional mobile police intelligent terminal is as follows: double-network-communication multifunctional mobile police intelligent terminal, comprising:

the communication module (01) is an SLM920 broadband intelligent wireless communication module, supports a TD-LTE/FDD-LTE/WCDMA/EVDO/TD-SCDMA/CDMA/GSM network mode and can perform a communication function under a mobile network;

the certificate identification unit (013) is electrically connected with the communication module (01) and is used for identifying and reading the identity card;

the M6 interface unit (001) is electrically connected with the communication module (01) and is used for accessing the AR intelligent glasses;

the GPS antenna interface unit (002) is electrically connected with the communication module (01) and is used for being connected with a GPS antenna;

the GPS positioning unit (003) is electrically connected with the communication module (01) and is used for receiving GPS signals;

the PDT encryption card unit (004) is electrically connected with the communication module (01) and is used for realizing the PDT talkback function through the PDT encryption card;

the USB interface unit (005) is electrically connected with the communication module (01) and is used for accessing the mobile power supply to charge the battery;

the battery connecting unit (006) is electrically connected with the communication module (01) and is used for accessing a fixed power supply to charge the battery;

the earphone handheld mode switching unit (007) is electrically connected with the communication module (01) and is used for realizing the switching function of an internal microphone mode and an external microphone mode of the earphone;

the function key unit (008) is electrically connected with the communication module (01) and is used for connecting a specific key to realize a specific function;

the LED indicating lamp driving unit (009) is electrically connected with the communication module (01) and is used for driving the LED indicating lamp to indicate different working states;

the touch screen driving unit (010) is electrically connected with the communication module (01) and is used for driving the touch screen;

the Hall sensor unit (011) is electrically connected with the communication module (01) and is used for sensing the current position state;

and the motion sensor unit (012) is electrically connected with the communication module (01) and is used for sensing the current motion state.

Further, the certificate identification unit (013) comprises a contactless read-write chip IC2, a crystal oscillator XT1, a polar capacitor C7, an inductor L2, an inductor L3, an inductor L4, a capacitor C26, a capacitor C27, a capacitor C28, a capacitor C29, a capacitor C30, a capacitor C8, a resistor R8, a resistor 8 and a resistor 8 with a non-contact type of the IC model of the IC chip type, and a non-contact type of the IC chip, and the IC type of the IC 8, and the non-contact type of the IC chip, and the resistor IC type, and the resistor IC 8, and the non-contact type, and the resistor IC type of the IC chip with the non-contact; pin 7 of the non-contact read-write chip IC2 is a signal input end, pin 8 of the non-contact read-write chip IC2 is a signal output end, pin 19 of the non-contact read-write chip IC2 is grounded through a resistor R17, pin 20 of the non-contact read-write chip IC2 is grounded after being connected with one end of the resistor R17 through a resistor R18, pin 25 to pin 31 of the non-contact read-write chip IC2 are sequentially connected with a data line, pin 6 of the non-contact read-write chip IC2 is connected with 3.3V through a resistor R28, pin 24 of the non-contact read-write chip IC2 is connected with a memory end of the communication module (01), pin 23 of the non-contact read-write chip IC2 is connected with a trigger end of the communication module (01), pin 15, pin 3 and pin 2 of the non-contact read-write chip IC2 are connected with one end of the resistor R30 and one end of a capacitor C28, one end of the capacitor C27 and one end of the capacitor C26 are sequentially connected with a 3.3V and a circuit IC voltage end, and the other end of the non-contact read-write chip IC2 is connected with a resistor R30, the pin 18, the pin 4 and the pin 5 of the non-contact read-write chip IC2 are connected and then sequentially connected with one end of a capacitor C28, one end of a capacitor C27 and one end of a capacitor C26 are respectively connected with a ground wire and a ground, the pin 33 of the non-contact read-write chip IC2 is grounded, the pin 12 of the non-contact read-write chip IC2 is sequentially connected with one end of a capacitor C10 and one end of a capacitor C9 and then connected with one end of an inductor L2, the other end of the capacitor C10 is connected with the other end of the capacitor C9 and then grounded, the other end of the inductor L2 is sequentially connected with one end of a capacitor C8 and one end of a polar capacitor C7 and then connected with one end of a resistor R15, the other end of the resistor R15 is connected with 3.3V, the pin 16 of the non-contact read-write chip IC2 is grounded after passing through the capacitor C11, the pin 17 of the non-contact read-write chip IC 17 is respectively connected with one end of a resistor R16 and one end of a capacitor C12 and one end of a reference voltage module (01) of the resistor R16 and the other end of the inductor C12 is connected with the resistor L4, a pin 11 of the contactless read-write chip IC2 is sequentially connected with one end of a capacitor C15 and one end of a capacitor C16 through an inductor L3, one end of a capacitor C16 is connected with one end of a capacitor C13 and a capacitor C14 which are connected in parallel, the other end of a capacitor C13 and a capacitor C14 which are connected in parallel is respectively connected with one end of a capacitor C17 and one end of a capacitor C18, a pin 10 of the contactless read-write chip IC2 is connected with the pin and then grounded, a pin 14 of the contactless read-write chip IC2 is sequentially connected with a connection point of the other end of the capacitor C15 and one end of the capacitor C20, the other end of the capacitor C16 and one end of the capacitor C6852, a connection point of the other end of the capacitor C16 and one end of the capacitor C21 are sequentially connected with a connection point of the other end of the capacitor C21 and one end of the capacitor C21, a pin 13 of the contactless read-write chip 21 is sequentially connected with the other end of the capacitor C21 through an inductor L21 and a connection point of the capacitor C21, the other end of the resistor R22 is further connected with one end of a capacitor C24 and one end of a capacitor C25 which are connected in parallel, the other end of the capacitor C24 and the other end of the capacitor C25 which are connected in parallel are sequentially connected with the other end of a capacitor C22 and the other end of the capacitor C23, one end of the resistor R25 and the resistor R26 which are connected in parallel is connected with one end of a capacitor C18, the other end of the resistor R25 and the resistor R26 which are connected in parallel is connected with an antenna anode, one end of the resistor R27 and the resistor R29 which are connected in parallel is connected with the other end of a capacitor C23, the other end of the resistor R27 and the resistor R29 which are connected in parallel is connected with an antenna cathode, the pin 22 of the non-contact read-write chip IC2 is connected with the pin 3 of the crystal oscillator XT1 and then grounded through the capacitor C30, and the pin 21 of the non-contact read-write chip IC2 is connected with the pin 1 of the crystal oscillator XT1 and grounded through the capacitor C29.

Further, the M6 interface unit (001) includes a connector J602, an ESD electrostatic diode T621, an ESD electrostatic diode T622, a bistable diode T610, a bistable diode T611, a bistable diode T604, a bistable diode T605, a bistable diode T612, a bistable diode T613, a bistable diode T614, a bistable diode T615, a bistable diode T616, a bistable diode T619, a bistable diode T618, a bistable diode T661, a bistable diode T663, a capacitor C635, a capacitor C635, a capacitor C637, a capacitor C638, a capacitor C639, a capacitor C640, a capacitor C641, a capacitor C642, a capacitor C617, a capacitor C619, a capacitor C620, a capacitor C622, a resistor R690, a resistor R691, a resistor R692, a resistor R693; ESD electrostatic diode T621 and ESD electrostatic diode T622 are of type PESDALC10N5VU, pin 1 of connector J602 is grounded, pins 41 and 42 of connector J602 are grounded after being connected, pins 43 and 44 of connector J602 are grounded after being connected, pin 2 of connector J602 is connected with pin 10 of ESD electrostatic diode T621, pin 3 of connector J602 is connected with pin 9 of ESD electrostatic diode T621, pin 4 of connector J602 is connected with pin 7 of ESD electrostatic diode T621, pin 5 of connector J602 is connected with pin 6 of ESD electrostatic diode T621, pin 6 of connector J602 is connected with pin 10 of ESD electrostatic diode T622, pin 7 of connector J602 is connected with pin 9 of ESD electrostatic diode T622, pin 8 of connector J602 is connected with pin 7 of ESD electrostatic diode T622, pin 9 of J602 is connected with pin 6 of ESD electrostatic diode T622, pin 1 of ESD electrostatic diode T621 is connected with the data receiving terminal of communication module (01) through capacitor C635, pin 2 of ESD T621 is connected to the data receiving terminal of the communication module (01) through a capacitor C636, pin 4 of ESD T621 is connected to the data transmitting terminal of the communication module (01) through a capacitor C637, pin 5 of ESD T621 is connected to the data transmitting terminal of the communication module (01) through a capacitor C638, pin 1 of ESD T622 is connected to the data transmitting terminal of the communication module (01) through a capacitor C639, pin 2 of ESD T622 is connected to the data transmitting terminal of the communication module (01) through a capacitor C640, pin 4 of ESD T622 is connected to the data receiving terminal of the communication module (01) through a capacitor C641, pin 5 of ESD T622 is connected to the data receiving terminal of the communication module (01) through a capacitor C642, pin 10, pin 11, pin 12, pin 13, and pin 14 of the connector J602 are connected to a power supply line, and pin 15 of the connector J602 is connected to one end of the bistable diode T605, one end of the bistable voltage, and the other end of the bistable voltage diode T, Test point TP16 and power supply terminal of communication module (01), pin 16 of connector J602 connects one end of double voltage stabilizing diode T604 and power supply terminal of communication module (01) separately, pin 17 of connector J602 connects one end of double voltage stabilizing diode T611 and USB data positive signal separately, pin 18 of connector J602 connects one end of double voltage stabilizing diode T610 and USB data negative signal separately, pin 19 and pin 20 of connector J602 connect extension function terminal of communication module (01) separately, the other end of double voltage stabilizing diode T610 and the other end of double voltage stabilizing diode T611 connect to ground after connecting, the other end of double voltage stabilizing diode T604 and the other end of double voltage stabilizing diode T605 connect to ground after connecting, pin 40 and pin 25 of connector J602 connect to ground after connecting, pin 39 of connector J602 connects signal receiving state conversion control terminal of communication module (01), pin 38 of connector J602 connects 12 and one end of double voltage stabilizing diode T613 connect communication module via resistor R690 (605) 01) Pin 37 of connector J602 is respectively connected with test point TP13 and one end of bistable voltage diode T614 and then connected with GPIO function end of communication module (01) through resistor R691, pin 36 of connector J602 is respectively connected with test point TP14 and one end of bistable voltage diode T615 and then connected with GPIO function end of communication module (01) through resistor R692, pin 35 of connector J602 is respectively connected with test point TP15 and one end of bistable voltage diode T616 and then connected with GPIO function end of communication module (01) through resistor R693, pin 34 of connector J602 is respectively connected with one end of bistable voltage diode T612 and camera interface of communication module (01), pin 29, pin 30, pin 31, pin 32 and pin 33 of connector J602 are connected and then connected with power supply line, pin 28 of connector J602 is respectively connected with one end of bistable voltage diode T663 and USB data negative signal, pin 27 of connector J602 is respectively connected with one end of bistable voltage diode T661 and USB data positive signal, pin 26 of connector J602 connects one end of bistable voltage diode T618 and the connection device identification end of communication module (01) respectively, pin 24 of connector J602 connects earphone signal end, pin 23 of connector J602 connects one end of bistable voltage diode T619 and the earphone insertion detection end of communication module (01) respectively, pin 22 and pin 21 of connector J602 connect earphone audio amplification end of audio amplifier respectively, bistable voltage diode T612 connects in parallel with capacitor C617, the other end of bistable voltage diode T612 connects to ground, bistable voltage diode T613 connects in parallel with capacitor C619, the other end of bistable voltage diode T613 connects to ground, bistable voltage diode T614 connects in parallel with capacitor C620, the other end of bistable voltage diode T614 connects to ground, bistable voltage diode T615 connects in parallel with capacitor C621, the other end of bistable voltage diode T615 connects to ground, bistable voltage diode T616 connects in parallel with capacitor C622, the other end of bistable voltage diode T616 connects to ground, the other end of bistable diode T619 is grounded, the other end of bistable diode T618 is grounded, the other end of bistable diode T661 is grounded, and the other end of bistable diode T663 is grounded.

Further, the GPS antenna interface unit (002) includes a balance filter U1005, an antenna ANT1004, a bistable diode T1001, an inductor L1013, an inductor L1014, an inductor L1015, an inductor L1016, a capacitor C1031, a capacitor C1030, a capacitor C1041, a capacitor C1040, a resistor R1011, a resistor R1012, and a resistor R1021; the model of the balance filter U1005 is DP1608-V1524CAT/LF, and the model of the antenna ANT1004 is SC-201B 218; pin 2, pin 4 and pin 6 of the balanced filter U1005 are grounded respectively, pin 1 of the balanced filter U1005 is connected to one end of an inductor L1013 and one end of a resistor R1013, the other end of the resistor R1013 is connected to one end of an inductor L1014 and a bluetooth 2.4G wireless interface of a communication module (01), pin 3 of the balanced filter U1005 is connected to one end of an inductor L1015 and one end of a resistor R1020, the other end of the resistor R1020 is connected to one end of an inductor L1016 and a GPS antenna interface of the communication module (01), the other ends of the inductor L1013, the inductor L1014, the other end of the inductor L1015 and the other end of the inductor L1016 are grounded respectively, pin 5 of the balanced filter U1005 is connected to one end of a capacitor C1040 and one end of a resistor R1021, the other end of the resistor R1021 is connected to one end of a capacitor C1041, one end of a capacitor C1030 and one end of a resistor R1021 in sequence, the other end of the resistor R1021 is connected to one end of a capacitor C1011 and one end of a resistor R1031 1001, the other end of the resistor R1011 is connected with an interface of the antenna ANT1004, and the other end of the bistable diode T1001, the other end of the capacitor C1031, the other end of the capacitor C1030, the other end of the capacitor C1041 and the other end of the capacitor C1040 are grounded respectively;

the GPS positioning unit (003) comprises a GPS navigation chip U1004, a bi-voltage-stabilizing diode T1002, an inductor L1004, a capacitor C1054, a capacitor C1035, a capacitor C1032, a capacitor C1037, a capacitor C1036 and a capacitor C1033; the model of the GPS navigation chip U1004 is ATGM 336H; pin 1 of the GPS navigation chip U1004 is grounded, pin 10 and pin 11 of the GPS navigation chip U1004 are connected and then grounded, pin 2 of the GPS navigation chip U1004 is connected to a data receiving end of the communication module (01) through a resistor R1018, pin 2 of the GPS navigation chip U1004 is connected to a data transmitting end of the communication module (01) through a resistor R1015, pin 6 of the GPS navigation chip U1004 is grounded through a capacitor C1032, pin 8 of the GPS navigation chip U1004 is connected to one end of a capacitor C1034 and a capacitor C1035 in parallel, the other end of the capacitor C1034 and the capacitor C1035 in parallel is grounded, one end of the capacitor C1034 and the capacitor C1035 in parallel is further connected to a power supply 3.3V, pin 11 of the GPS navigation chip U1004 is connected to one end of a capacitor C1036 and one end of a capacitor C1033, pin 14 of the GPS navigation chip U1004 is connected to one end of a capacitor C1037 and one end of an inductor L1004, the other end of the capacitor C1037 is connected to the other end of the capacitor C1038 and then connected to a voltage testing element J1002 of the inductor L1004, and then connected to the voltage testing element J1002 Pin 1, the other end of the bistable diode T1002 is grounded, and pin 2, pin 3, and pin 4 of the test piece J1001 are grounded, respectively.

Further, PDT encryption card unit (004) includes card slot J704, bistable diode T937, bistable diode T936, bistable diode T935, bistable diode T934, bistable diode T933, bistable diode T932, bistable diode T931, capacitor C958; the model of the CARD slot J704 is T _ CARD _ CAD-208B247, and the CARD slot J is used for inserting a PDT encryption CARD to perform PDT talkback; pin 9, pin 10, pin 11, pin 12 of card slot J704 are connected and then grounded, pin 1 of card slot J704 is connected with one end of double voltage stabilizing diode T932 and the TF card data end of communication module (01), pin 2 of card slot J704 is connected with one end of double voltage stabilizing diode T933 and the TF card data end of communication module (01), pin 3 of card slot J704 is connected with one end of double voltage stabilizing diode T934 and the TF card command end of communication module (01), pin 4 of card slot J704 is connected with one end of double voltage stabilizing diode T931 and capacitor C958 in parallel and the TF card power supply end of communication module (01), the other end of double voltage stabilizing diode T931 and capacitor C958 in parallel is grounded, pin 5 of card slot J704 is connected with one end of double voltage stabilizing diode T and the TF card clock end of communication module (01) respectively, pin 7 of card slot J704 is connected to one end of double zener diode T936 and the TF card data end of communication module (01), pin 8 of card slot J704 is connected to one end of double zener diode T937 and the TF card data end of communication module (01), the other end of bi-stable diode T937, the other end of bi-stable diode T936, the other end of bi-stable diode T935, the other end of bi-stable diode T934, the other end of bi-stable diode T933, the other end of bi-stable diode T932 is connected to ground.

Further, the USB interface unit (005) includes an analog switch/multiplexer U401, a capacitor C401, a resistor R402, a resistor R403, a resistor R404, a resistor R405, and a resistor R406; analog switch/multiplexer U401 model number SGM7228YWQ 10G; pin 1 of the analog switch/multiplexer U401 is respectively connected with one end of a resistor R406 and a USB positive data signal, pin 3 of the analog switch/multiplexer U401 is respectively connected with the other end of the resistor R406 and a data line interface, pin 4 of the analog switch/multiplexer U401 is grounded through a resistor R403, pin 5 of the analog switch/multiplexer U401 is respectively connected with a resistor R402 and the data line interface, pin 7 of the analog switch/multiplexer U401 is respectively connected with the other end of the resistor R402 and a charging control end of a communication module (01), pin 6 of the analog switch/multiplexer U401 is connected with a charging control end of the communication module (01), pin 8 of the analog switch/multiplexer U401 is grounded, pin 9 of the analog switch/multiplexer U401 is respectively connected with one end of the resistor C401 and one end of the resistor R401, the other end of the capacitor C401 is grounded, and the other end of the resistor R401 is connected with a battery voltage pin;

the battery connection unit (006) comprises a connector J301 and a diode D301, wherein the model of the connector J301 is OK-14F 010-04; the pin 1, the pin 2, the pin 3, the pin 11 and the pin 12 of the connector J301 are connected and then grounded, the pin 4 of the connector J301 is connected with a serial data signal line of the communication module (01), the pin 5 of the connector J301 is connected with a serial clock signal line of the communication module (01), the pin 6, the pin 7, the pin 8, the pin 9 and the pin 10 of the connector J301 are connected and then respectively connected with the cathode of the diode D901 and the test point TP301, and the anode of the diode D901 is grounded.

Further, the earphone handheld mode switching unit (007) comprises an analog switch U2006, a capacitor C2044, a capacitor C2081, a capacitor C2028, a resistor R2040, a resistor R2041 and a resistor R2036; the analog switch U2006 is in a model number of SGM7228YWQ10G and is used for switching between a built-in microphone and an external microphone; a pin C1 of an analog switch U2006 is respectively connected with one end of a capacitor C2044 and one end of a resistor R2036, the other end of the capacitor C2044 is grounded, the other end of the resistor R2036 is connected with a battery power supply, a pin C3 of the analog switch U2006 is connected with a microphone signal input end of a communication module (01), a pin A3 of the analog switch U2006 is connected with a microphone signal input end of the communication module (01), a pin C5 of the analog switch U2006 is connected with a microphone signal input end of the communication module (01), a pin A5 of the analog switch U2006 is respectively connected with one end of the resistor R2041 and an earphone drive end of the communication module (01), the other end of the resistor R2041 is grounded, a pin A2 of the analog switch U2006 is connected with one end of the capacitor C2018, a pin C2 of the analog switch U2006 is connected with the other end of the capacitor C2081 and then grounded, a pin B1 of the analog switch U2006 is connected with one end of the capacitor C2028, a pin A1 of the analog switch U2006 is connected with the other end of the capacitor C2028, a pin B4 of the analog switch U2006 is connected with a resistor R2040 after passing through a communication module (2006) and a communication function of the resistor R2040) 2006 And a pin B3 of the analog switch U2006 is connected with a microphone sensing end of the communication module (01), a pin A4 of the analog switch U2006 is connected with a microphone quality detection end of the communication module (01), and a pin C4 of the analog switch U2006 is connected with the microphone quality detection end of the communication module (01).

Furthermore, the function key unit (008) comprises an AR glasses key circuit, an SOS key circuit, a PDT key circuit, a starting key circuit, a reset key circuit and a volume key circuit, wherein the AR glasses key circuit is used for starting/closing the function of connecting AR glasses, the SOS key circuit is used for realizing the SOS key function, the PDT key circuit is used for starting/closing the PDT talkback function, the starting key circuit is used for realizing the starting and shutting function, the reset key circuit is used for realizing the closing and restarting function, and the volume key circuit is used for realizing the volume adjusting function;

the AR glasses key circuit comprises a connector J502, a bi-stable voltage diode T503 and a resistor R503; the connector J502 is OK-14F010-04 and is used for connecting to an AR glasses key; pin 2 of the connector J502 is grounded, pin 11 and pin 12 of the connector J502 are connected and then grounded, pin 13 and pin 14 of the connector J502 are connected and then grounded, pin 1 of the connector J502 is respectively connected with a test point TP503, one end of a resistor R503 and one end of a bi-stable voltage diode T503, the other end of the bi-stable voltage diode T503 is grounded, and the other end of the resistor R503 is connected with an AR glasses key control end of a communication module (01);

the SOS key circuit comprises a connector K501, a voltage-stabilizing diode T507 and a resistor R505; the connector K501 is the type ST-1133 and is used for accessing an SOS key; pin 3, pin 4 and pin 5 of the connector K501 are connected and then grounded, pin 1 and pin 2 of the connector K501 are connected and then respectively connected with a test point TP505, one end of a bistable voltage diode T507 and one end of a resistor R505, the other end of the bistable voltage diode T507 is grounded, and the other end of the resistor R505 is connected with an SOS key control end of a communication module (01);

a PDT key circuit including a connector J552, a bi-voltage-stabilizing diode T505; the connector J552 is OK-14F010-04, and is used for accessing a PDT key; pin 2 of the connector J552 is grounded, pin 11 and pin 12 of the connector J552 are connected and then grounded, pin 13 and pin 14 of the connector J552 are connected and then grounded, pin 1 of the connector J552 is respectively connected with the test point TP508, one end of the bistable voltage diode T505 and the PDT key control end of the communication module (01), and the other end of the bistable voltage diode T505 is grounded;

the startup key circuit comprises a connector J504, a bi-voltage-stabilizing diode T506 and a resistor R504; the model of the connector J504 is OK-14F010-04, and is used for accessing a starting button; pin 2 of the connector J504 is grounded, pin 11 and pin 12 of the connector J504 are connected and then grounded, pin 13 and pin 14 of the connector J504 are connected and then grounded, pin 1 of the connector J504 is respectively connected with a test point TP507, one end of a resistor R504 and one end of a bi-voltage-stabilizing diode T506, the other end of the bi-voltage-stabilizing diode T506 is grounded, and the other end of the resistor R504 is connected with a power-on key control end of a communication module (01);

the reset key circuit comprises a connector J505, a bi-voltage-stabilizing diode T508 and a resistor R506; the model of the connector J505 is OK-14F010-04 and is used for accessing a reset key; pin 2 of the connector J505 is grounded, pin 11 and pin 12 of the connector J505 are grounded after being connected, pin 13 and pin 14 of the connector J505 are grounded after being connected, pin 1 of the connector J505 is respectively connected with a test point TP506, one end of a resistor R506 and one end of a bistable diode T508, the other end of the bistable diode T508 is grounded, and the other end of the resistor R506 is connected with a reset key control end of a communication module (01);

the volume key circuit comprises a connector J553, a bi-stable voltage diode T560, a bi-stable voltage diode T561, a resistor R566 and a resistor R565; the connector J553 is OK-14F010-04 and is used for connecting a volume adjusting key; pin 2 of the connector J553 is grounded, pin 11 and pin 12 of the connector J553 are grounded after being connected, pin 13 and pin 14 of the connector J553 are grounded after being connected, pin 1 of the connector J553 is connected to the test point TP501, one end of the bistable diode T560 and the volume up key control end of the communication module (01) through a resistor R566 respectively, the other end of the bistable diode T560 is grounded, pin 10 of the connector J553 is connected to the test point TP502, one end of the bistable diode T561 and the volume down key control end of the communication module (01) through a resistor R565 respectively, and the other end of the bistable diode T561 is grounded.

Further, the LED indicator driving unit (009) includes a three-color LED driving chip U4105, a capacitor C4107, a resistor R4102, a resistor R4103, and a resistor R4104, the model of the three-color LED driving chip U4105 is AW2013 DNR; pin 11 of three-color LED driving chip U4105 is grounded, pin 1 of three-color LED driving chip U4105 is connected with the red LED interface through resistor R4102, pin 2 of three-color LED driving chip U4105 is connected with the green LED interface through resistor R4103, pin 3 of three-color LED driving chip U4105 is connected with the blue LED interface through resistor R4104, pin 9 of three-color LED driving chip U4105 is connected with the control bus serial data end of communication module (01), pin 10 of three-color LED driving chip U4105 is connected with the control bus serial clock end of communication module (01), pin 5 of three-color LED driving chip U4105 is grounded through capacitor C4107.

Further, the touch screen driving unit (010) comprises a TFT LCD mobile phone screen driving chip U605, an inductor L602, a capacitor C626, a capacitor C627, a capacitor C628, a capacitor C629, a capacitor C630, a resistor R646, a resistor R645, a resistor R644, a resistor R647 and a resistor R648, wherein the TFT LCD mobile phone screen driving chip U605 is of an OCP2131WPAD model; pin B1, pin B3 and pin D2 of TFT LCD mobile phone screen driving chip U605 are connected and then grounded, pin C1 of TFT LCD mobile phone screen driving chip U605 is connected with one end of capacitor C626 and one end of resistor R644 respectively, one end of capacitor C626 is grounded, pin D1 of TFT LCD mobile phone screen driving chip U605 is connected with one end of inductor L602, the other end of inductor L602 is connected with the other end of resistor R644 and then connected with a battery power supply, pin B1 of TFT LCD mobile phone screen driving chip U605 is connected with one end of resistor R646 and a mobile phone screen control end of communication module (01) respectively, pin A1 of TFT LCD mobile phone screen driving chip U605 is connected with one end of resistor R645 and a mobile phone screen control end of communication module (01) respectively, the other end of resistor R1 and the other end of resistor R are grounded respectively, pin B2 of TFT LCD mobile phone screen driving chip U605 is connected with a serial clock end of communication module (01) LCD, pin C2 of TFT mobile phone screen driving chip U605 is connected with a serial data end of communication module (01), a pin C3 of the TFT LCD mobile phone screen driving chip U605 is connected with one end of a capacitor C627, a pin A3 of the TFT LCD mobile phone screen driving chip U605 is connected with the other end of the capacitor C627, a pin E3 of the TFT LCD mobile phone screen driving chip U605 is respectively connected with one end of the capacitor C630 and one end of a resistor R647, the other end of the resistor R647 is connected with a mobile phone screen control end of a communication module (01), a pin D3 and a pin E2 of the TFT LCD mobile phone screen driving chip U605 are connected with one end of a capacitor C628, a pin A2 of the TFT LCD mobile phone screen driving chip U605 is respectively connected with one end of a capacitor C629 and one end of a resistor R648, the other end of the resistor R648 is connected with a mobile phone screen control end of the communication module (01), and the other ends of the capacitor C628, the capacitor C629 and the capacitor C630 are respectively grounded.

Further, the Hall sensor unit (011) comprises a Hall sensor U1006, a voltage-stabilizing diode T510, a capacitor C520, a resistor R520 and a resistor R1022, wherein the Hall sensor U1006 is BU52011 HFV-TR; pin 2 of the Hall sensor U1006 is grounded, pin 4 of the Hall sensor U1006 is connected with one end of a resistor R1022, pin 5 of the Hall sensor U1006 is respectively connected with the other end of the resistor R1022, one end of a bistable voltage diode T510 connected with a capacitor C520 in parallel and one end of a resistor R520, the other end of the bistable voltage diode T510 connected with the capacitor C520 in parallel is grounded, and the other end of the resistor R520 is connected with a Hall sensor trigger end of a communication module (01);

the motion sensor unit (012) comprises a three-axis gyroscope sensor U503, a capacitor C506 and a capacitor C507, wherein the model of the three-axis gyroscope sensor U503 is DA 218-B; pin 1 and pin 2 of a three-axis gyroscope sensor U503 are grounded respectively, pin 9 and pin 8 of the three-axis gyroscope sensor U503 are grounded after being connected, pin 2 of the three-axis gyroscope sensor U503 is connected with a serial data end of a sensor I2C bus of a communication module (01), pin 10 and pin 3 of the three-axis gyroscope sensor U503 are connected with one end of a capacitor C506, the other end of the capacitor C506 is grounded, pin 5 of the three-axis gyroscope sensor U503 is connected with a sensor trigger end of the communication module (01), pin 12 of the three-axis gyroscope sensor U503 is connected with a serial clock end of a sensor I2C bus of the communication module (01), and pin 7 of the three-axis gyroscope sensor U503 is grounded through a capacitor C507.

Compared with the prior art, the dual-network-communication multifunctional mobile police service intelligent terminal has the advantages that the communication function in a mobile network environment is realized through the communication module, the PDT talkback function is realized through the PDT encryption card unit, the AR intelligent glasses and the certificate identification unit are connected through the M6 interface unit, the identity card is identified and read through the certificate identification unit, the dual-network communication function in the mobile network and PDT environment is realized, multiple intelligent devices such as AR intelligent glasses, PDT interphones and identity card readers commonly used by police service personnel are integrated, the burden and inconvenience of wearing multiple devices by the police service personnel are greatly reduced, the use efficiency is improved, and the defects of single function, inconvenience in use and low efficiency of the intelligent devices configured by the police service personnel at present are overcome.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a system structure diagram of a dual-gateway multifunctional mobile police intelligent terminal provided in an embodiment of the present invention.

Fig. 2 is a schematic circuit diagram of an M6 interface unit of the dual-network multifunctional mobile police intelligent terminal according to an embodiment of the present invention.

Fig. 3 is a schematic circuit diagram of a GPS antenna interface unit of the dual-network multifunctional mobile police intelligent terminal according to an embodiment of the present invention.

Fig. 4 is a schematic circuit diagram of a GPS positioning unit of the dual-network multifunctional mobile police intelligent terminal according to the embodiment of the present invention.

Fig. 5 is a schematic circuit diagram of a PDT encryption card unit of the dual-network-pass multifunctional mobile police intelligent terminal according to the embodiment of the present invention.

Fig. 6 is a schematic circuit diagram of a USB interface unit of the dual-network multifunctional mobile police intelligent terminal according to an embodiment of the present invention.

Fig. 7 is a schematic circuit diagram of a battery connection unit of the dual-network multifunctional mobile police intelligent terminal according to the embodiment of the present invention.

Fig. 8 is a schematic circuit diagram of a headset handheld mode switching unit of a dual-network multifunctional mobile police service intelligent terminal according to an embodiment of the present invention.

Fig. 9 is a schematic circuit diagram of a function key unit of the dual-network multifunctional mobile police intelligent terminal according to the embodiment of the present invention.

Fig. 10 is a schematic circuit diagram of an LED indicator light driving unit of a dual-network multifunctional mobile police intelligent terminal according to an embodiment of the present invention.

Fig. 11 is a schematic circuit diagram of a touch screen driving unit of a dual-network multifunctional mobile police intelligent terminal according to an embodiment of the present invention.

Fig. 12 is a schematic circuit diagram of a hall sensor unit of the dual-network multifunctional mobile police intelligent terminal according to the embodiment of the present invention.

Fig. 13 is a schematic circuit diagram of a motion sensor unit of a dual-gateway multifunctional mobile police intelligent terminal according to an embodiment of the present invention.

Fig. 14 is a schematic circuit diagram of a certificate identification unit of the dual-gateway multifunctional mobile police intelligent terminal according to an embodiment of the present invention.

Fig. 15 is a schematic front view of a PCB board of the dual-network multifunctional mobile police terminal provided in the embodiment of the present invention.

Fig. 16 is a schematic back view of a PCB board of the dual-network multifunctional mobile police terminal provided in the embodiment of the present invention.

The reference number 01 in the above figures, communication module; 001. an M6 interface unit; 002. a GPS antenna interface unit; 003. a GPS positioning unit; 004. PDT encryption card unit; 005. a USB interface unit; 006. a battery connection unit; 007. a headset handheld mode switching unit; 008. a function key unit; 009. an LED indicator light driving unit; 010. a touch screen driving unit; 011. a Hall sensor unit; 012. a motion sensor unit; 013. and a certificate identification unit.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be noted that when an element is referred to as being "fixed" to another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present, it is to be understood that if the terms "upper", "lower", "left", "right", etc. refer to an orientation or positional relationship based on that shown in the drawings, that this is for convenience in describing the utility model and to simplify the description, and that no indication or suggestion that the referenced device or element must have a particular orientation, be constructed and operated in that particular orientation, and therefore the terms describing the positional relationship in the drawings are used for illustrative purposes only and are not to be construed as limiting the patent, as the particular meaning of the terms described above will be understood by those of ordinary skill in the art based on the particular circumstances.

The technical solution of the present invention is described in detail below with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 to 14, a preferred embodiment of the present invention is shown.

Referring to fig. 1, the dual-network multifunctional mobile police service intelligent terminal provided by the utility model comprises:

the communication module 01 is an SLM920 broadband intelligent wireless communication module, supports TD-LTE/FDD-LTE/WCDMA/EVDO/TD-SCDMA/CDMA/GSM network modes, and can perform a communication function in a mobile network;

the certificate identification unit 013 is electrically connected with the communication module 01 and is used for identifying and reading the identity card;

the M6 interface unit 001 is electrically connected with the communication module 01 and used for accessing the AR intelligent glasses;

the GPS antenna interface unit 002 is electrically connected with the communication module 01 and is used for accessing a GPS antenna;

the GPS positioning unit 003 is electrically connected with the communication module 01 and used for receiving GPS signals;

the PDT encryption card unit 004 is electrically connected with the communication module 01 and used for realizing PDT talkback function through the PDT encryption card;

the USB interface unit 005 is electrically connected with the communication module 01 and used for connecting a mobile power supply to charge the battery;

the battery connection unit 006 is electrically connected with the communication module 01 and used for connecting a fixed power supply to charge the battery;

the headset handheld mode switching unit 007 is electrically connected with the communication module 01 and used for realizing the switching function between the built-in microphone mode and the external microphone mode of the headset;

the function key unit 008 is electrically connected with the communication module 01 and is used for connecting a specific key to realize a specific function;

the LED indicator lamp driving unit 009 is electrically connected with the communication module 01 and used for driving the LED indicator lamp to indicate different working states;

the touch screen driving unit 010 is electrically connected with the communication module 01 and used for driving the touch screen;

the Hall sensor unit 011 is electrically connected with the communication module 01 and used for sensing the current position state;

the motion sensor unit 012 is electrically connected to the communication module 01, and senses a current motion state.

The double-network-communication multifunctional mobile police intelligent terminal realizes the PDT talkback function by arranging the M6 interface unit to be connected into the AR intelligent glasses and the PDT encryption card unit, so that various intelligent devices such as AR intelligent glasses and PDT interphones commonly used by police officers are integrated, the burden and inconvenience of wearing multiple devices by the police officers are greatly reduced, the use efficiency is improved, and the defects of single function, inconvenience in use and low efficiency of the existing intelligent equipment configured by the police officers are overcome.

Specifically, the model of the communication module 01 is SLM920-ZB-272P, the GSM/GPRS industrial communication module adopts ht 600 series SM6125, the CPU adopts an 11nm FinFET process, and incorporates a 64-bit ARM, an 8-core Kryo (4 × a 732.0 ghz &4 × a 531.8ghz), supports the highest 4K 30fps and h.265 of decoder/encode, carries an android 10 operating system, supports a board memory of 32GB +3GB (64GB +4GB, 128GB +6GB), supports carrier aggregation of LTE Cat6 and 2 × 20MHz, has a maximum downlink rate of 300Mbps, supports multiple network systems of TD-LTE/FDD-LTE/WCDMA/EVDO/TD-SCDMA/CDMA/GSM, and integrates GNSS and 2.4&5G WIFI. The SLM920 module integrates rich functional interfaces, including an LCM, a touch screen, a camera, a microphone, a loudspeaker, a UART interface, a USB interface, an SPI interface and the like; can provide the functions of voice, short messages, address book, 2.4G/5G Wi-Fi, BT and GPS; the product supports two 1600W 3D deep shots, but wide application in products such as intelligent POS cash registering machine, commodity circulation terminal, AR intelligence glasses, intelligent robot, mobile unit, intelligent information acquisition equipment, handheld terminal, unmanned aerial vehicle.

Referring to fig. 14, the certificate identification unit 013 includes a contactless read-write chip IC2, a crystal oscillator XT1, a polar capacitor C7, an inductor L2, an inductor L3, an inductor L4, a capacitor C26, a capacitor C27, a capacitor C28, a capacitor C29, a capacitor C30, a capacitor C8, a capacitor C9, a capacitor C10, a capacitor R10, a resistor 10, and a resistor 10; pin 7 of non-contact read-write chip IC2 is a signal input end, pin 8 of non-contact read-write chip IC2 is a signal output end, pin 19 of non-contact read-write chip IC2 is grounded through resistor R17, pin 20 of non-contact read-write chip IC2 is grounded after being connected with one end of resistor R17 through resistor R18, pin 25 to pin 31 of non-contact read-write chip IC2 are sequentially connected with a data line, pin 6 of non-contact read-write chip IC2 is connected with 3.3V through resistor R28, pin 24 of non-contact read-write chip IC2 is connected with a memory end of communication module 01, pin 23 of non-contact read-write chip IC2 is connected with a trigger end of communication module 01, pin 15, pin 3 and pin 2 of non-contact read-write chip IC2 are connected with one end of resistor R30 and one end of capacitor C28 in sequence, one end of capacitor C27 and one end of capacitor C26 are connected with 3.3V and a circuit voltage end respectively, and the other end of non-contact read-write chip IC2 is connected with resistor R30, the pin 18, the pin 4 and the pin 5 of the non-contact read-write chip IC2 are connected and then sequentially connected with one end of a capacitor C28, one end of a capacitor C27 and one end of a capacitor C26 are respectively connected with a ground wire and a ground, the pin 33 of the non-contact read-write chip IC2 is grounded, the pin 12 of the non-contact read-write chip IC2 is sequentially connected with one end of a capacitor C10 and one end of a capacitor C9 and then connected with one end of an inductor L2, the other end of the capacitor C10 is connected with the other end of the capacitor C9 and then grounded, the other end of the inductor L2 is sequentially connected with one end of a capacitor C8 and one end of a polar capacitor C7 and then connected with one end of a resistor R15, the other end of the resistor R15 is connected with 3.3V, the pin 16 of the non-contact read-write chip IC2 is grounded after passing through the capacitor C11, the pin 17 of the non-contact read-write chip IC 17 is respectively connected with one end of a resistor R16 and one end of a capacitor C12 and one end of a resistor R16 and the other end of a reference voltage of a communication module 5475 and the other end of the inductor C6474 is connected with a resistor R4, a pin 11 of the non-contact read-write chip IC2 is sequentially connected to one end of a capacitor C15 and one end of a capacitor C16 through an inductor L3, one end of the capacitor C16 is connected to one end of a capacitor C14 after the capacitor C13 and the capacitor C14 are connected in parallel, the other end of the capacitor C13 and the capacitor C14 are respectively connected to one end of a capacitor C17 and one end of a capacitor C18, a pin 10 of the non-contact read-write chip IC2 is connected to the pin and then grounded, a pin 14 of the non-contact read-write chip IC2 is sequentially connected to a connection point of the other end of the capacitor C15 and one end of the capacitor C20, the other end of the capacitor C16 and one end of the capacitor C21, the other end of the capacitor C16 and one end of the capacitor C21 are sequentially connected to a connection point of the other end of the capacitor C17 and one end of the capacitor C22, the other end of the capacitor C18 and one end of the capacitor C23, a pin 13 of the non-contact chip IC2 is sequentially connected to the other end of the capacitor C20 and 21 through an inductor L4, the other end of the resistor R22 is further connected with one end of a capacitor C24 and one end of a capacitor C25 which are connected in parallel, the other end of the capacitor C24 and the other end of the capacitor C25 which are connected in parallel are sequentially connected with the other end of a capacitor C22 and the other end of the capacitor C23, one end of the resistor R25 and the resistor R26 which are connected in parallel is connected with one end of a capacitor C18, the other end of the resistor R25 and the resistor R26 which are connected in parallel is connected with an antenna anode, one end of the resistor R27 and the resistor R29 which are connected in parallel is connected with the other end of a capacitor C23, the other end of the resistor R27 and the resistor R29 which are connected in parallel is connected with an antenna cathode, the pin 22 of the non-contact read-write chip IC2 is connected with the pin 3 of the crystal oscillator XT1 and then grounded through the capacitor C30, and the pin 21 of the non-contact read-write chip IC2 is connected with the pin 1 of the crystal oscillator XT1 and grounded through the capacitor C29.

Specifically, the model of the contactless read-write chip IC2 is PN512, which is a highly integrated contactless read-write chip, and integrates various active/passive contactless communication methods and protocols under 13.56MHz, and the supported working modes include: reader/writer mode in support of ISO14443A

And FeliCa mechanism, reader/writer mode, support for ISO14443B mechanism, card operation mode, support for ISO 14443A-

And the FeliCa mechanism, NFCIP-1 mode; of these, ISO14443A is mainly used for reading general IC cards, and ISO14443B is mainly used for reading programs of CPU cards, and here we are used for reading UIDs of identification cards.

Referring to fig. 2, M6 interface unit 001 includes connector J602, ESD electrostatic diode T621, ESD electrostatic diode T622, bistable diode T610, bistable diode T611, bistable diode T604, bistable diode T605, bistable diode T612, bistable diode T613, bistable diode T614, bistable diode T615, bistable diode T616, bistable diode T619, bistable diode T618, bistable diode T661, bistable diode T663, capacitor C635, capacitor C636, capacitor C637, capacitor C692, capacitor C639, capacitor C640, capacitor C641, capacitor C642, capacitor C617, capacitor C619, capacitor C620, capacitor C621, capacitor C622, resistor R690, resistor R691, resistor R693; ESD electrostatic diode T621 and ESD electrostatic diode T622 are of type PESDALC10N5VU, pin 1 of connector J602 is grounded, pins 41 and 42 of connector J602 are grounded after being connected, pins 43 and 44 of connector J602 are grounded after being connected, pin 2 of connector J602 is connected to pin 10 of ESD electrostatic diode T621, pin 3 of connector J602 is connected to pin 9 of ESD electrostatic diode T621, pin 4 of connector J602 is connected to pin 7 of ESD electrostatic diode T621, pin 5 of connector J602 is connected to pin 6 of ESD electrostatic diode T621, pin 6 of connector J602 is connected to pin 10 of ESD electrostatic diode T622, pin 7 of connector J602 is connected to pin 9 of ESD electrostatic diode T622, pin 8 of connector J602 is connected to pin 7 of ESD electrostatic diode T622, pin 9 of J602 is connected to pin 6 of ESD electrostatic diode T622, pin 1 of ESD electrostatic diode T621 is connected to the data receiving terminal of communication module 01 through capacitor C635, pin 2 of ESD T621 is connected to the data receiving terminal of the communication module 01 through a capacitor C636, pin 4 of ESD T621 is connected to the data transmitting terminal of the communication module 01 through a capacitor C637, pin 5 of ESD T621 is connected to the data transmitting terminal of the communication module 01 through a capacitor C638, pin 1 of ESD T622 is connected to the data transmitting terminal of the communication module 01 through a capacitor C639, pin 2 of ESD T622 is connected to the data transmitting terminal of the communication module 01 through a capacitor C640, pin 4 of ESD T622 is connected to the data receiving terminal of the communication module 01 through a capacitor C641, pin 5 of ESD T622 is connected to the data receiving terminal of the communication module 01 through a capacitor C642, pin 10, pin 11, pin 12, pin 13, and pin 14 of J602 are connected to a power supply line, and pin 15 of J602 is connected to one end of a bistable diode T605 respectively, Test point TP16 and the power supply terminal of communication module 01, pin 16 of connector J602 connects one end of double voltage stabilizing diode T604 and the power supply terminal of communication module 01, pin 17 of connector J602 connects one end of double voltage stabilizing diode T611 and the USB data positive signal, pin 18 of connector J602 connects one end of double voltage stabilizing diode T610 and the USB data negative signal, pin 19 and pin 20 of connector J602 connect the extension function terminal of communication module 01, the other end of double voltage stabilizing diode T610 and the other end of double voltage stabilizing diode T611 are connected and then grounded, the other end of double voltage stabilizing diode T604 and the other end of double voltage stabilizing diode T605 are connected and then grounded, pin 40 and pin 25 of connector J602 are connected and then grounded, pin 39 of connector J602 connects the signal receiving state conversion control terminal of communication module 01, pin 38 of connector J602 connects test point TP12 and one end of double voltage stabilizing diode T613 respectively and then connects the camera head interface of communication module 01 through resistor R690, pin 37 of connector J602 is connected to test point TP13 and one end of bistable voltage diode T614 respectively and then connected to GPIO function end of communication module 01 through resistor R691, pin 36 of connector J602 is connected to test point TP14 and one end of bistable voltage diode T615 respectively and then connected to GPIO function end of communication module 01 through resistor R692, pin 35 of connector J602 is connected to test point TP15 and one end of bistable voltage diode T616 respectively and then connected to GPIO function end of communication module 01 through resistor R693, pin 34 of connector J602 is connected to one end of bistable voltage diode T612 and camera interface of communication module 01 respectively, pin 29, pin 30, pin 31, pin 32 and pin 33 of connector J602 are connected to power line, pin 28 of connector J602 is connected to one end of bistable voltage diode T663 and USB data negative signal respectively, pin 27 of connector J602 is connected to one end of bistable voltage diode T661 and USB data positive signal respectively, pin 26 of connector J602 is connected to one end of bistable voltage diode T618 and the identification end of communication module 01, pin 24 of connector J602 is connected to earphone signal end, pin 23 of connector J602 is connected to one end of bistable voltage diode T619 and the detection end of communication module 01, pin 22 and pin 21 of connector J602 are connected to earphone audio amplification end of audio amplifier, bistable voltage diode T612 is connected with capacitor C617 in parallel, the other end of bistable voltage diode T612 is grounded, bistable voltage diode T613 is connected with capacitor C619 in parallel, the other end of bistable voltage diode T613 is grounded, bistable voltage diode T614 is connected with capacitor C620 in parallel, the other end of bistable voltage diode T614 is grounded, bistable voltage diode T615 is connected with capacitor C621 in parallel, the other end of bistable voltage diode T615 is grounded, voltage diode T616 is connected with capacitor C622 in parallel, the other end of bistable voltage diode T616 is grounded, the other end of the bistable diode T619 is grounded, the other end of the bistable diode T618 is grounded, the other end of the bistable diode T661 is grounded, and the other end of the bistable diode T663 is grounded.

Referring to fig. 3, the GPS antenna interface unit 002 includes a balance filter U1005, an antenna ANT1004, a bi-voltage diode T1001, an inductor L1013, an inductor L1014, an inductor L1015, an inductor L1016, a capacitor C1031, a capacitor C1030, a capacitor C1041, a capacitor C1040, a resistor R1011, a resistor R1012, and a resistor R1021; the model of the balance filter U1005 is DP1608-V1524CAT/LF, and the model of the antenna ANT1004 is SC-201B 218; pin 2, pin 4, and pin 6 of the balanced filter U1005 are grounded, pin 1 of the balanced filter U1005 is connected to one end of an inductor L1013 and one end of a resistor R1013, the other end of the resistor R1013 is connected to one end of an inductor L1014 and a bluetooth 2.4G wireless interface of the communication module 01, pin 3 of the balanced filter U1005 is connected to one end of an inductor L1015 and one end of a resistor R1020, the other end of the resistor R1020 is connected to one end of an inductor L1016 and a GPS antenna interface of the communication module 01, the other ends of the inductor L1013, the inductor L1014, the other end of the inductor L1015, and the other end of the inductor L1016 are grounded, pin 5 of the balanced filter U1005 is connected to one end of a capacitor C1040 and one end of a resistor R1021, the other end of the resistor R1021 is connected to one end of a capacitor C1030, one end of a capacitor C1021 and one end of a resistor R1021 in sequence, the other end of the resistor R1021 is connected to one end of a capacitor C1031, and one end of a resistor R1011 and one end of a bistable diode T1001, the other end of the resistor R1011 is connected to an interface of the antenna ANT1004, and the other end of the bistable diode T1001, the other end of the capacitor C1031, the other end of the capacitor C1030, the other end of the capacitor C1041, and the other end of the capacitor C1040 are grounded, respectively.

Referring to fig. 4, the GPS positioning unit 003 includes a GPS navigation chip U1004, a bi-stable voltage diode T1002, an inductor L1004, a capacitor C1054, a capacitor C1035, a capacitor C1032, a capacitor C1037, a capacitor C1036, and a capacitor C1033; the model of the GPS navigation chip U1004 is ATGM 336H; pin 1 of the GPS navigation chip U1004 is grounded, pin 10 and pin 11 of the GPS navigation chip U1004 are connected to ground, pin 2 of the GPS navigation chip U1004 is connected to the data receiving terminal of the communication module 01 via a resistor R1018, pin 2 of the GPS navigation chip U1004 is connected to the data transmitting terminal of the communication module 01 via a resistor R1015, pin 6 of the GPS navigation chip U1004 is grounded via a capacitor C1032, pin 8 of the GPS navigation chip U1004 is connected to one end of the parallel connection of a capacitor C1034 and a capacitor C1035, the other end of the parallel connection of the capacitor C1034 and the capacitor C1035 is grounded, one end of the parallel connection of the capacitor C1034 and the capacitor C1035 is further connected to a power supply of 3.3V, pin 11 of the GPS navigation chip U1004 is connected to one end of a capacitor C1036 and one end of a capacitor C1033, pin 14 of the GPS navigation chip U1004 is connected to one end of a capacitor C7 and one end of an inductor L1004, the other end of the capacitor C1037 is connected to ground, the other end of the capacitor C1033 is connected to the pin 1031 of the bistable diode T1002 and then connected to the test piece 1001J 1002, the other end of the bistable diode T1002 is grounded, and a pin 2, a pin 3 and a pin 4 of the test piece J1001 are grounded respectively.

Referring to fig. 5, PDT encryption card unit 004 includes card slot J704, bistable diode T937, bistable diode T936, bistable diode T935, bistable diode T934, bistable diode T933, bistable diode T932, bistable diode T931, and capacitor C958; the model of the CARD slot J704 is T _ CARD _ CAD-208B247, and the CARD slot J is used for inserting a PDT encryption CARD to perform PDT talkback; pin 9, pin 10, pin 11, pin 12 of card slot J704 are connected to ground, pin 1 of card slot J704 is connected to one end of double zener diode T932 and TF card data end of communication module 01, pin 2 of card slot J704 is connected to one end of bi-zener diode T933 and TF card data end of communication module 01, pin 3 of card slot J704 is connected to one end of bi-zener diode T934 and TF card command end of communication module 01, pin 4 of card slot J704 is connected to one end of bi-zener diode T931 in parallel with capacitor C958 and TF card power supply end of communication module 01, the other end of bi-zener diode T931 in parallel with capacitor C958 is connected to ground, pin 5 of card slot J704 is connected to one end of bi-zener diode T935 and TF card clock end of communication module 01, pin 7 of card slot J704 is connected to one end of bi-zener diode T936 and TF card data end of communication module 01, pin 8 of card slot J704 is connected to one end of bi-zener diode T937 and the TF card data terminal of communication module 01, respectively, and the other end of bi-zener diode T937, the other end of bi-zener diode T936, the other end of bi-zener diode T935, the other end of bi-zener diode T934, the other end of bi-zener diode T933, and the other end of bi-zener diode T932 are connected to ground.

Referring to fig. 6, the USB interface unit 005 includes an analog switch/multiplexer U401, a capacitor C401, a resistor R402, a resistor R403, a resistor R404, a resistor R405, and a resistor R406; analog switch/multiplexer U401 has model number SGM7228YWQ 10G; pin 1 of the analog switch/multiplexer U401 is connected to one end of a resistor R406 and a USB data positive signal, pin 3 of the analog switch/multiplexer U401 is connected to the other end of the resistor R406 and a data line interface, pin 4 of the analog switch/multiplexer U401 is grounded via a resistor R403, pin 5 of the analog switch/multiplexer U401 is connected to a resistor R402 and a data line interface, pin 7 of the analog switch/multiplexer U401 is connected to the other end of the resistor R402 and a charging control end of the communication module 01, pin 6 of the analog switch/multiplexer U401 is connected to the charging control end of the communication module 01, pin 8 of the analog switch/multiplexer U401 is grounded, pin 9 of the analog switch/multiplexer U401 is connected to one end of a resistor C401 and one end of a resistor R401, the other end of a capacitor C401 is grounded, the other end of the resistor R401 is connected with a battery voltage pin.

Referring to fig. 7, the battery connection unit 006 includes a connector J301, a diode D301, the connector J301 having a model number OK-14F 010-04; the pin 1, the pin 2, the pin 3, the pin 11 and the pin 12 of the connector J301 are connected and then grounded, the pin 4 of the connector J301 is connected with a serial data signal line of the communication module 01, the pin 5 of the connector J301 is connected with a serial clock signal line of the communication module 01, the pin 6, the pin 7, the pin 8, the pin 9 and the pin 10 of the connector J301 are connected and then respectively connected with the cathode of the diode D901 and the test point TP301, and the anode of the diode D901 is grounded.

Referring to fig. 8, the headset handheld mode switching unit 007 includes an analog switch U2006, a capacitor C2044, a capacitor C2081, a capacitor C2028, a resistor R2040, a resistor R2041, and a resistor R2036; the analog switch U2006 is in a model number of SGM7228YWQ10G and is used for switching a built-in microphone and an external microphone; a pin C1 of an analog switch U2006 is respectively connected with one end of a capacitor C2044 and one end of a resistor R2036, the other end of the capacitor C2044 is grounded, the other end of the resistor R2036 is connected with a battery power supply, a pin C3 of the analog switch U2006 is connected with a microphone signal input end of a communication module 01, a pin A3 of the analog switch U2006 is connected with a microphone signal input end of the communication module 01, a pin C5 of the analog switch U2006 is connected with a microphone signal input end of the communication module 01, a pin A5 of the analog switch U2006 is respectively connected with one end of a resistor R2041 and an earphone drive end of the communication module 01, the other end of the resistor R2041 is grounded, a pin A2 of the analog switch U2006 is connected with one end of a capacitor C2018, a pin C2 of the analog switch U2006 is connected with the other end of the capacitor C2011 and then grounded, a pin B1 of the analog switch U2006 is connected with one end of the capacitor C2028, a pin A1 of the analog switch U2006 is connected with a pin B4 of the resistor R2040 after being connected with the resistor R2045, pin B3 of the analog switch U2006 is connected to the microphone sensing terminal of the communication module 01, pin a4 of the analog switch U2006 is connected to the microphone quality detection terminal of the communication module 01, and pin C4 of the analog switch U2006 is connected to the microphone quality detection terminal of the communication module 01.

Referring to fig. 9, the function key unit 008 includes an AR glasses key circuit, an SOS key circuit, a PDT key circuit, a power-on key circuit, a reset key circuit, and a volume key circuit, the AR glasses key circuit is used to start/close a function of connecting AR glasses, the SOS key circuit is used to implement an SOS key function, the PDT key circuit is used to start/close a PDT intercom function, the power-on key circuit is used to implement a power-on/off function, the reset key circuit is used to implement a power-off and reset function, and the volume key circuit is used to implement a volume adjustment function;

the AR glasses key circuit comprises a connector J502, a bi-stable voltage diode T503 and a resistor R503; the connector J502 is OK-14F010-04 and is used for connecting to an AR glasses key; pin 2 of the connector J502 is grounded, pin 11 and pin 12 of the connector J502 are connected and then grounded, pin 13 and pin 14 of the connector J502 are connected and then grounded, pin 1 of the connector J502 is respectively connected with a test point TP503, one end of a resistor R503 and one end of a bistable diode T503, the other end of the bistable diode T503 is grounded, and the other end of the resistor R503 is connected with an AR glasses key control end of the communication module 01;

the SOS key circuit comprises a connector K501, a voltage-stabilizing diode T507 and a resistor R505; the connector K501 is in the model ST-1133 and is used for accessing an SOS key; pin 3, pin 4 and pin 5 of the connector K501 are connected and then grounded, pin 1 and pin 2 of the connector K501 are connected and then respectively connected with a test point TP505, one end of a bistable voltage diode T507 and one end of a resistor R505, the other end of the bistable voltage diode T507 is grounded, and the other end of the resistor R505 is connected with an SOS key control end of the communication module 01;

a PDT key circuit including a connector J552, a bi-voltage-stabilizing diode T505; the connector J552 is OK-14F010-04, and is used for accessing a PDT key; pin 2 of the connector J552 is grounded, pin 11 and pin 12 of the connector J552 are connected and then grounded, pin 13 and pin 14 of the connector J552 are connected and then grounded, pin 1 of the connector J552 is respectively connected with the test point TP508, one end of the bistable diode T505 and the PDT key control end of the communication module 01, and the other end of the bistable diode T505 is grounded;

the startup key circuit comprises a connector J504, a bi-voltage-stabilizing diode T506 and a resistor R504; the model of the connector J504 is OK-14F010-04, and is used for accessing a starting button; pin 2 of the connector J504 is grounded, pin 11 and pin 12 of the connector J504 are connected and then grounded, pin 13 and pin 14 of the connector J504 are connected and then grounded, pin 1 of the connector J504 is connected with a test point TP507, one end of a resistor R504 and one end of a bi-voltage-stabilizing diode T506 respectively, the other end of the bi-voltage-stabilizing diode T506 is grounded, and the other end of the resistor R504 is connected with a power-on key control end of the communication module 01;

the reset key circuit comprises a connector J505, a bi-voltage-stabilizing diode T508 and a resistor R506; the model of the connector J505 is OK-14F010-04 and is used for accessing a reset key; pin 2 of the connector J505 is grounded, pin 11 and pin 12 of the connector J505 are grounded after being connected, pin 13 and pin 14 of the connector J505 are grounded after being connected, pin 1 of the connector J505 is connected with the test point TP506, one end of the resistor R506 and one end of the bistable voltage diode T508 respectively, the other end of the bistable voltage diode T508 is grounded, and the other end of the resistor R506 is connected with the reset key control end of the communication module 01;

the volume key circuit comprises a connector J553, a bistable diode T560, a bistable diode T561, a resistor R566 and a resistor R565; the connector J553 is OK-14F010-04 and is used for connecting a volume adjusting button; pin 2 of the connector J553 is grounded, pin 11 and pin 12 of the connector J553 are connected and then grounded, pin 13 and pin 14 of the connector J553 are connected and then grounded, pin 1 of the connector J553 is connected to the test point TP501, one end of the bistable diode T560 and the volume up key control end of the communication module 01 through a resistor R566 respectively, the other end of the bistable diode T560 is grounded, pin 10 of the connector J553 is connected to the test point TP502, one end of the bistable diode T561 and the volume down key control end of the communication module 01 through a resistor R565 respectively, and the other end of the bistable diode T561 is grounded.

Referring to fig. 10, the LED indicator driving unit 009 includes a three-color LED driving chip U4105, a capacitor C4107, a resistor R4102, a resistor R4103, and a resistor R4104, the model of the three-color LED driving chip U4105 being AW2013 DNR; pin 11 of three-colour LED drive chip U4105 ground connection, pin 1 of three-colour LED drive chip U4105 passes through resistance R4102 and connects red LED interface, pin 2 of three-colour LED drive chip U4105 passes through resistance R4103 and connects green LED interface, pin 3 of three-colour LED drive chip U4105 passes through resistance R4104 and connects blue LED interface, pin 9 of three-colour LED drive chip U4105 connects communication module 01's control bus serial data end, pin 10 of three-colour LED drive chip U4105 connects communication module 01's control bus serial clock end, pin 5 of three-colour LED drive chip U4105 passes through electric capacity C4107 ground connection.

Referring to fig. 11, the touch screen driving unit 010 includes a TFT LCD mobile phone screen driving chip U605, an inductor L602, a capacitor C626, a capacitor C627, a capacitor C628, a capacitor C629, a capacitor C630, a resistor R646, a resistor R645, a resistor R644, a resistor R647, and a resistor R648, where the TFT LCD mobile phone screen driving chip U605 is of an OCP2131WPAD model; pin B1, pin B3 and pin D2 of TFT LCD mobile phone screen driving chip U605 are connected and then grounded, pin C1 of TFT LCD mobile phone screen driving chip U605 is respectively connected with one end of capacitor C626 and one end of resistor R644, one end of capacitor C626 is grounded, pin D1 of TFT LCD mobile phone screen driving chip U605 is connected with one end of inductor L602, the other end of inductor L602 is connected with the other end of resistor R644 and then connected with a battery power supply, pin B1 of TFT LCD mobile phone screen driving chip U605 is respectively connected with one end of resistor R646 and a mobile phone screen control end of communication module 01, pin A1 of TFT LCD mobile phone screen driving chip U605 is respectively connected with one end of resistor R645 and a mobile phone screen control end of communication module 01, the other end of resistor R646 and the other end of resistor R645 are respectively grounded, pin B2 of TFT LCD mobile phone screen driving chip U605 is connected with a serial clock end of communication module 01, pin C2 of TFT LCD mobile phone screen driving chip U is connected with a serial data end 605 of communication module 01, a pin C3 of the TFT LCD mobile phone screen driving chip U605 is connected with one end of a capacitor C627, a pin A3 of the TFT LCD mobile phone screen driving chip U605 is connected with the other end of the capacitor C627, a pin E3 of the TFT LCD mobile phone screen driving chip U605 is respectively connected with one end of the capacitor C630 and one end of a resistor R647, the other end of the resistor R647 is connected with a mobile phone screen control end of the communication module 01, a pin D3 and a pin E2 of the TFT LCD mobile phone screen driving chip U605 are connected with one end of a capacitor C628, a pin A2 of the TFT LCD mobile phone screen driving chip U605 is respectively connected with one end of the capacitor C629 and one end of a resistor R648, the other end of the resistor R648 is connected with a mobile phone screen control end of the communication module 01, and the other ends of the capacitor C628, the capacitor C629 and the capacitor C630 are respectively grounded.

Referring to fig. 12, the hall sensor unit 011 includes a hall sensor U1006, a bi-voltage-stabilizing diode T510, a capacitor C520, a resistor R520, and a resistor R1022, the hall sensor U1006 being of type BU52011 HFV-TR; pin 2 of hall sensor U1006 is grounded, one end of hall sensor U1006 pin 4 connecting resistance R1022, pin 5 of hall sensor U1006 is respectively connected with the other end of resistance R1022, the parallelly connected one end of bistable voltage diode T510 and electric capacity C520, one end of resistance R520, the parallelly connected other end of bistable voltage diode T510 and electric capacity C520 is grounded, the hall sensor trigger end of communication module 01 is connected to the other end of resistance R520.

Referring to fig. 13, the motion sensor unit 012 includes a three-axis gyro sensor U503, a capacitor C506, and a capacitor C507, where the model of the three-axis gyro sensor U503 is DA 218-B; pin 1 and pin 2 of the three-axis gyro sensor U503 are grounded respectively, pin 9 and pin 8 of the three-axis gyro sensor U503 are grounded after being connected, pin 2 of the three-axis gyro sensor U503 is connected with a serial data terminal of a bus I2C of the communication module 01, pin 10 and pin 3 of the three-axis gyro sensor U503 are connected with one end of a capacitor C506, the other end of the capacitor C506 is grounded, pin 5 of the three-axis gyro sensor U503 is connected with a sensor trigger terminal of the communication module 01, pin 12 of the three-axis gyro sensor U503 is connected with a serial clock terminal of a bus I2C of the communication module 01, and pin 7 of the three-axis gyro sensor U503 is grounded through a capacitor C507.

Preferably, the communication module 01, the M6 interface unit 001, the GPS antenna interface unit 002, the GPS positioning unit 003, the PDT encryption card unit 004, the USB interface unit 005, the battery connection unit 006, the earphone handheld mode switching unit 007, the function key unit 008, the LED indicator lamp driving unit 009, the touch screen driving unit 010, the hall sensor unit 011, the motion sensor unit 012, and the certificate identification unit 013 are electrically distributed on the same PCB, the front surface of the PCB is as shown in fig. 15, and the back surface of the PCB is as shown in fig. 16.

Preferably, this multi-functional mobile police service intelligent terminal of dual network leads to still includes shell, touch-sensitive screen and a plurality of function button, and the shell is used for holding as above the PCB board, the touch-sensitive screen is installed in the front of shell, and a plurality of function button distribute in the bottom or the side of shell, and the side of shell still is equipped with a plurality of openings to connect AR intelligence glasses, portable power source, fixed power source etc..

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. Double-network-communication multifunctional mobile police intelligent terminal is characterized by comprising:

the communication module (01) is an SLM920 broadband intelligent wireless communication module, supports TD-LTE/FDD-LTE/WCDMA/EVDO/TD-SCDMA/CDMA/GSM network modes, and can perform a communication function under a mobile network;

the GPS antenna interface unit (002) is electrically connected with the communication module (01) and is used for accessing the GPS antenna;

the LED indicator lamp driving unit (009) is electrically connected with the communication module (01) and is used for driving the LED indicator lamp to indicate different working states;

2. The dual-network-pass multifunctional mobile police service intelligent terminal as claimed in claim 1, wherein the certificate identification unit (013) comprises a non-contact read-write chip IC2, a crystal oscillator XT1, a polar capacitor C7, an inductor L2, an inductor L3, an inductor L4, a capacitor C26, a capacitor C27, a capacitor C28, a capacitor C29, a capacitor C30, a capacitor C8, a resistor R8, a resistor R8, a resistor R8, a resistor 8, a resistor 8, a resistor type of the PN, a resistor type of the PN type, a resistor 8, a resistor type of the PN type, and a resistor 8, a resistor type of the PN type of the non-contact type, a resistor 8, and a resistor type of the non-contact type of the resistor type, and a resistor type of the non-contact; pin 7 of the non-contact read-write chip IC2 is a signal input terminal, pin 8 of the non-contact read-write chip IC2 is a signal output terminal, pin 19 of the non-contact read-write chip IC2 is grounded through a resistor R17, pin 20 of the non-contact read-write chip IC2 is grounded after being connected with one end of the resistor R17 through a resistor R18, pin 25 to pin 31 of the non-contact read-write chip IC2 are sequentially connected with a data line, pin 6 of the non-contact read-write chip IC2 is connected with 3.3V through a resistor R28, pin 24 of the non-contact read-write chip IC2 is connected with a memory end of the communication module (01), pin 23 of the non-contact read-write chip IC2 is connected with a trigger end of the communication module (01), pin 15, pin 3 and pin 2 of the non-contact read-write chip IC2 are connected with one end of the resistor R30 and one end of a capacitor C28, one end of the capacitor C27 and one end of the capacitor C26 are sequentially connected with 3V and a voltage end of the circuit IC 30, and the other end of the non-contact chip IC2 is connected with a pin R30, the pin 18, the pin 4 and the pin 5 of the non-contact read-write chip IC2 are connected and then sequentially connected with one end of a capacitor C28, one end of a capacitor C27 and one end of a capacitor C26 are respectively connected with a ground wire and a ground wire, the pin 33 of the non-contact read-write chip IC2 is grounded, the pin 12 of the non-contact read-write chip IC2 is sequentially connected with one end of a capacitor C10, one end of a capacitor C9 is connected with one end of an inductor L2, the other end of the capacitor C10 is connected with the other end of the capacitor C9 and then grounded, the other end of the inductor L2 is sequentially connected with one end of a capacitor C8, one end of a positive electrode of a polar capacitor C7 and then connected with one end of a resistor R15, the other end of the resistor R15 is connected with 3.3V, the pin 16 of the non-contact read-write chip IC2 is connected with the ground wire after passing through the capacitor C11, the pin 17 of the non-contact read-write chip IC2 is respectively connected with one end of a resistor R16 and one end of a capacitor C12, one end of a reference voltage of another communication module (01) of the resistor R16 and the other end of the inductor R12 is connected with the inductor L4, a pin 11 of the non-contact read-write chip IC2 is sequentially connected with one end of a capacitor C15 and one end of a capacitor C16 through an inductor L3, one end of a capacitor C13 and one end of a capacitor C14 which are connected in parallel are connected with one end of a capacitor C16, the other end of a capacitor C13 and the other end of a capacitor C14 which are connected in parallel are respectively connected with one end of a capacitor C17 and one end of a capacitor C18, a pin 10 of the non-contact read-write chip IC2 is connected with the pin and then grounded, a pin 14 of the non-contact read-write chip IC2 is sequentially connected with a connection point of the other end of the capacitor C15 and one end of the capacitor C20, the other end of the capacitor C16 and one end of the capacitor C21, a connection point of the other end of the capacitor C16 and one end of the capacitor C21 is further sequentially connected with a connection point of the other end of the capacitor C21 and a connection point of the other end of the capacitor C21, a pin 13 of the non-contact read-write chip IC 21 is sequentially connected with the other end of the capacitor C21 and a connection point of the inductor L21, the other end of the resistor R22 is further connected with one end of a capacitor C24 and one end of a capacitor C25 which are connected in parallel, the other end of the capacitor C24 and the other end of the capacitor C25 which are connected in parallel are sequentially connected with the other end of a capacitor C22 and the other end of the capacitor C23, one end of the resistor R25 and the resistor R26 which are connected in parallel is connected with one end of a capacitor C18, the other end of the resistor R25 and the resistor R26 which are connected in parallel is connected with an antenna anode, one end of the resistor R27 and the resistor R29 which are connected in parallel is connected with the other end of a capacitor C23, the other end of the resistor R27 and the resistor R29 which are connected in parallel is connected with an antenna cathode, the pin 22 of the non-contact read-write chip IC2 is connected with the pin 3 of the crystal oscillator XT1 and then grounded through the capacitor C30, and the pin 21 of the non-contact read-write chip IC2 is connected with the pin 1 of the crystal oscillator XT1 and grounded through the capacitor C29.

3. The dual-network multifunctional mobile police service intelligent terminal as claimed in claim 1, wherein the M6 interface unit (001) comprises a connector J602, an ESD electrostatic diode T621, an ESD electrostatic diode T622, a bistable diode T610, a bistable diode T611, a bistable diode T604, a bistable diode T605, a bistable diode T612, a bistable diode T613, a bistable diode T614, a bistable diode T615, a bistable diode T616, a bistable diode T619, a bistable diode T618, a bistable diode T661, a bistable diode T663, a capacitor C635, a capacitor C636, a capacitor C637, a capacitor C638, a capacitor C639, a capacitor C640, a capacitor C642, a capacitor C617, a capacitor C619, a capacitor C620, a capacitor C621, a capacitor C622, a resistor R691, a resistor R690, a resistor R69692, a resistor R3; ESD electrostatic diode T621 and ESD electrostatic diode T622 are of type PESDALC10N5VU, pin 1 of connector J602 is grounded, pins 41 and 42 of connector J602 are grounded after being connected, pins 43 and 44 of connector J602 are grounded after being connected, pin 2 of connector J602 is connected with pin 10 of ESD electrostatic diode T621, pin 3 of connector J602 is connected with pin 9 of ESD electrostatic diode T621, pin 4 of connector J602 is connected with pin 7 of ESD electrostatic diode T621, pin 5 of connector J602 is connected with pin 6 of ESD electrostatic diode T621, pin 6 of connector J602 is connected with pin 10 of ESD electrostatic diode T622, pin 7 of connector J602 is connected with pin 9 of ESD electrostatic diode T622, pin 8 of connector J602 is connected with pin 7 of ESD electrostatic diode T622, pin 9 of J602 is connected with pin 6 of ESD electrostatic diode T622, pin 1 of ESD electrostatic diode T621 is connected with the data receiving terminal of communication module (01) through capacitor C635, pin 2 of ESD T621 is connected to the data receiving terminal of the communication module (01) through a capacitor C636, pin 4 of ESD T621 is connected to the data transmitting terminal of the communication module (01) through a capacitor C637, pin 5 of ESD T621 is connected to the data transmitting terminal of the communication module (01) through a capacitor C638, pin 1 of ESD T622 is connected to the data transmitting terminal of the communication module (01) through a capacitor C639, pin 2 of ESD T622 is connected to the data transmitting terminal of the communication module (01) through a capacitor C640, pin 4 of ESD T622 is connected to the data receiving terminal of the communication module (01) through a capacitor C641, pin 5 of ESD T622 is connected to the data receiving terminal of the communication module (01) through a capacitor C642, pin 10, pin 11, pin 12, pin 13, and pin 14 of the connector J602 are connected to a power supply line, and pin 15 of the connector J602 is connected to one end of the bi-toggle diode T605, and the bi-terminal of the bi-connector J602 are connected to a power supply line, respectively, Test point TP16 and power supply terminal of communication module (01), pin 16 of connector J602 connects one end of double voltage stabilizing diode T604 and power supply terminal of communication module (01) separately, pin 17 of connector J602 connects one end of double voltage stabilizing diode T611 and USB data positive signal separately, pin 18 of connector J602 connects one end of double voltage stabilizing diode T610 and USB data negative signal separately, pin 19 and pin 20 of connector J602 connect extension function terminal of communication module (01) separately, the other end of double voltage stabilizing diode T610 and the other end of double voltage stabilizing diode T611 connect to ground after connecting, the other end of double voltage stabilizing diode T604 and the other end of double voltage stabilizing diode T605 connect to ground after connecting, pin 40 and pin 25 of connector J602 connect to ground after connecting, pin 39 of connector J602 connects signal receiving state conversion control terminal of communication module (01), pin 38 of connector J602 connects 12 and one end of double voltage stabilizing diode T613 connect communication module via resistor R690 (605) 01) Pin 37 of connector J602 is connected with test point TP13 and one end of bistable diode T614 respectively and then connected with GPIO function end of communication module (01) through resistor R691, pin 36 of connector J602 is connected with test point TP14 and one end of bistable diode T615 respectively and then connected with GPIO function end of communication module (01) through resistor R692, pin 35 of connector J602 is connected with test point TP15 and one end of bistable diode T616 respectively and then connected with GPIO function end of communication module (01) through resistor R693, pin 34 of connector J602 is connected with one end of bistable diode T612 and camera interface of communication module (01) respectively, pin 29, pin 30, pin 31, pin 32 and pin 33 of connector J602 are connected and then connected, pin 28 of power line connector J602 is connected with one end of bistable diode T663 and USB data negative signal respectively, pin 27 of connector J602 is connected with one end of bistable diode T661 and USB data positive signal respectively, pin 26 of connector J602 connects one end of bistable diode T618 and the connection equipment identification end of communication module (01) respectively, pin 24 of connector J602 connects earphone signal end, pin 23 of connector J602 connects one end of double voltage stabilizing diode T619 and the earphone insertion detection end of communication module (01) respectively, pin 22 and pin 21 of connector J602 connect earphone audio amplification end of audio amplifier respectively, bistable diode T612 connects in parallel with capacitor C617, the other end of bistable diode T612 connects to ground, bistable diode T613 connects in parallel with capacitor C619, the other end of bistable diode T613 connects to ground, bistable diode T614 connects in parallel with capacitor C620, the other end of bistable diode T614 connects to ground, bistable diode T615 connects in parallel with capacitor C621, the other end of diode T615 connects to ground, diode T616 connects in parallel with capacitor C622, the other end of diode T616 connects to ground, the other end of the bistable diode T619 is grounded, the other end of the bistable diode T618 is grounded, the other end of the bistable diode T661 is grounded, and the other end of the bistable diode T663 is grounded.

4. The dual-network multifunctional mobile police service intelligent terminal as claimed in claim 1, wherein the GPS antenna interface unit (002) comprises a balance filter U1005, an antenna ANT1004, a bi-voltage diode T1001, an inductor L1013, an inductor L1014, an inductor L1015, an inductor L1016, a capacitor C1031, a capacitor C1030, a capacitor C1041, a capacitor C1040, a resistor R1011, a resistor R1012, a resistor R1021; the model of the balance filter U1005 is DP1608-V1524CAT/LF, and the model of the antenna ANT1004 is SC-201B 218; pin 2, pin 4 and pin 6 of the balance filter U1005 are grounded respectively, pin 1 of the balance filter U1005 is connected to one end of an inductor L1013 and one end of a resistor R1013 respectively, the other end of the resistor R1013 is connected to one end of the inductor L1014 and the bluetooth 2.4G wireless interface of the communication module (01) respectively, pin 3 of the balance filter U1005 is connected to one end of an inductor L1015 and one end of a resistor R1020 respectively, the other end of the resistor R1020 is connected to one end of an inductor L1016 and the GPS antenna interface of the communication module (01) respectively, the other end of the inductor L1013, the other end of the inductor L1014, the other end of the inductor L1015 and the other end of the inductor L1016 are grounded respectively, pin 5 of the balance filter U1005 is connected to one end of a capacitor C1040 and one end of a resistor R1021 respectively, the other end of the resistor R1021 is connected to one end of a capacitor C1041, one end of a capacitor C1030 and one end of a resistor R1021 in sequence, the other end of the resistor R1021 is connected to one end of a capacitor C1011 and one end of a bistable diode T10311001 respectively, the other end of the resistor R1011 is connected with an interface of the antenna ANT1004, and the other end of the bistable diode T1001, the other end of the capacitor C1031, the other end of the capacitor C1030, the other end of the capacitor C1041 and the other end of the capacitor C1040 are grounded respectively;

the GPS positioning unit (003) comprises a GPS navigation chip U1004, a bi-voltage-stabilizing diode T1002, an inductor L1004, a capacitor C1054, a capacitor C1035, a capacitor C1032, a capacitor C1037, a capacitor C1036 and a capacitor C1033; the model of the GPS navigation chip U1004 is ATGM 336H; pin 1 of the GPS navigation chip U1004 is grounded, pin 10 and pin 11 of the GPS navigation chip U1004 are connected to ground, pin 2 of the GPS navigation chip U1004 is connected to a data receiving terminal of the communication module (01) through a resistor R1018, pin 2 of the GPS navigation chip U1004 is connected to a data transmitting terminal of the communication module (01) through a resistor R1015, pin 6 of the GPS navigation chip U1004 is grounded through a capacitor C1032, pin 8 of the GPS navigation chip U1004 is connected to one end of a capacitor C1034 and a capacitor C1035 in parallel, the other end of the capacitor C1034 and the capacitor C1035 in parallel is grounded, one end of the capacitor C1034 and the capacitor C1035 in parallel is further connected to a power supply of 3.3V, pin 11 of the GPS navigation chip U1004 is connected to one end of a capacitor C1036 and one end of a capacitor C1033, pin 14 of the GPS navigation chip U1004 is connected to one end of a capacitor C1037 and one end of an inductor L1004, the other end of a capacitor C1037 is connected to ground, the other end of the capacitor C1038 is connected to ground, the other end of the capacitor C1033 is connected to the other end of the inductor L1004 and then connected to a voltage testing element J1002 through a voltage testing element J1002 Pin 1, the other end of the bistable diode T1002 is grounded, and pin 2, pin 3, and pin 4 of the test piece J1001 are grounded, respectively.

5. The dual-network multifunctional mobile police service intelligent terminal as claimed in claim 1, wherein the PDT encryption card unit (004) comprises a card slot J704, a bistable diode T937, a bistable diode T936, a bistable diode T935, a bistable diode T934, a bistable diode T933, a bistable diode T932, a bistable diode T931, a capacitor C958; the model of the CARD slot J704 is T _ CARD _ CAD-208B247, and the CARD slot J is used for inserting a PDT encryption CARD to perform PDT talkback; the pin 9, the pin 10, the pin 11 and the pin 12 of the card slot J704 are connected and then grounded, the pin 1 of the card slot J704 is respectively connected with one end of a double voltage stabilizing diode T932 and a TF card data end of a communication module (01), the pin 2 of the card slot J704 is respectively connected with one end of a bistable voltage stabilizing diode T933 and a TF card data end of the communication module (01), the pin 3 of the card slot J704 is respectively connected with one end of a double voltage stabilizing diode T934 and a TF card command end of the communication module (01), the pin 3 of the card slot J704 is respectively connected with one end of the double voltage stabilizing diode T934 and the TF card command end of the communication module (01), the pin 4 of the card slot J704 is respectively connected with one end of the double voltage stabilizing diode T931 connected with a capacitor C958 in parallel and a TF card power supply end of the communication module (01), the other end of the bistable voltage stabilizing diode T931 connected with the capacitor C958 in parallel is grounded, the pin 5 of the card slot J704 is respectively connected with one end of the double voltage stabilizing diode T932 and a TF card clock end of the communication module (01), pin 7 of card slot J704 is connected to one end of dual zener diode T936 and the TF card data terminal of communication module (01), pin 8 of card slot J704 is connected to one end of dual zener diode T937 and the TF card data terminal of communication module (01), the other end of bi-zener diode T937, the other end of bi-zener diode T936, the other end of bi-zener diode T935, the other end of bi-zener diode T934, the other end of bi-zener diode T933, and the other end of bi-zener diode T932 are connected to ground.

6. The dual-network multifunctional mobile police intelligent terminal as claimed in claim 1, wherein the USB interface unit (005) comprises an analog switch/multiplexer U401, a capacitor C401, a resistor R402, a resistor R403, a resistor R404, a resistor R405, a resistor R406; analog switch/multiplexer U401 model number SGM7228YWQ 10G; pin 1 of the analog switch/multiplexer U401 is respectively connected with one end of a resistor R406 and a USB positive data signal, pin 3 of the analog switch/multiplexer U401 is respectively connected with the other end of the resistor R406 and a data line interface, pin 4 of the analog switch/multiplexer U401 is grounded through a resistor R403, pin 5 of the analog switch/multiplexer U401 is respectively connected with a resistor R402 and the data line interface, pin 7 of the analog switch/multiplexer U401 is respectively connected with the other end of the resistor R402 and a charging control end of a communication module (01), pin 6 of the analog switch/multiplexer U401 is connected with a charging control end of the communication module (01), pin 8 of the analog switch/multiplexer U401 is grounded, pin 9 of the analog switch/multiplexer U401 is respectively connected with one end of the resistor C401 and one end of the resistor R401, the other end of the capacitor C401 is grounded, and the other end of the resistor R401 is connected with a battery voltage pin;

the battery connection unit (006) comprises a connector J301 and a diode D301, wherein the model of the connector J301 is OK-14F 010-04; a pin 1, a pin 2, a pin 3, a pin 11 and a pin 12 of the connector J301 are connected and then grounded, a pin 4 of the connector J301 is connected with a serial data signal line of the communication module (01), a pin 5 of the connector J301 is connected with a serial clock signal line of the communication module (01), a pin 6, a pin 7, a pin 8, a pin 9 and a pin 10 of the connector J301 are connected and then respectively connected with a cathode of a diode D901 and a test point TP301, and an anode of the diode D901 is grounded.

7. The dual-network multifunctional mobile police intelligent terminal as claimed in claim 1, wherein the headset handheld mode switching unit (007) comprises an analog switch U2006, a capacitor C2044, a capacitor C2081, a capacitor C2028, a resistor R2040, a resistor R2041 and a resistor R2036; the analog switch U2006 is in a model number of SGM7228YWQ10G and is used for switching a built-in microphone and an external microphone; a pin C1 of an analog switch U2006 is respectively connected with one end of a capacitor C2044 and one end of a resistor R2036, the other end of the capacitor C2044 is grounded, the other end of the resistor R2036 is connected with a battery power supply, a pin C3 of the analog switch U2006 is connected with a microphone signal input end of a communication module (01), a pin A3 of the analog switch U2006 is connected with a microphone signal input end of the communication module (01), a pin C5 of the analog switch U2006 is connected with a microphone signal input end of the communication module (01), a pin A5 of the analog switch U2006 is respectively connected with one end of the resistor R2041 and an earphone drive end of the communication module (01), the other end of the resistor R2041 is grounded, a pin A2 of the analog switch U2006 is connected with one end of the capacitor C2018, a pin C2 of the analog switch U2006 is connected with the other end of the capacitor C2081 and then grounded, a pin B1 of the analog switch U2006 is connected with one end of the capacitor C2028, a pin A1 of the analog switch U2006 is connected with the other end of the capacitor C2028, a pin B4 of the analog switch U2006 is connected with a resistor R2040 after passing through a communication module (2006) and a communication function of the resistor R2040) 2006 And a pin B3 of the analog switch U2006 is connected with a microphone sensing end of the communication module (01), a pin A4 of the analog switch U2006 is connected with a microphone quality detection end of the communication module (01), and a pin C4 of the analog switch U2006 is connected with the microphone quality detection end of the communication module (01).

8. The dual-network-communication multifunctional mobile police intelligent terminal as claimed in claim 1, wherein the function key unit (008) comprises an AR glasses key circuit, an SOS key circuit, a PDT key circuit, a power-on key circuit, a reset key circuit, and a volume key circuit, the AR glasses key circuit is used for starting/closing the function of connecting AR glasses, the SOS key circuit is used for realizing the SOS key function, the PDT key circuit is used for starting/closing the PDT intercom function, the power-on key circuit is used for realizing the power-on/off function, the reset key circuit is used for realizing the power-off/restart function, and the volume key circuit is used for realizing the volume adjustment function;

the SOS key circuit comprises a connector K501, a bi-stable voltage diode T507 and a resistor R505; the connector K501 is the type ST-1133 and is used for accessing an SOS key; a pin 3, a pin 4 and a pin 5 of the connector K501 are connected and then grounded, a pin 1 and a pin 2 of the connector K501 are connected and then respectively connected with a test point TP505, one end of a bistable voltage diode T507 and one end of a resistor R505, the other end of the bistable voltage diode T507 is grounded, and the other end of the resistor R505 is connected with an SOS key control end of a communication module (01);

the power-on key circuit comprises a connector J504, a voltage-stabilizing diode T506 and a resistor R504; the model of the connector J504 is OK-14F010-04 and is used for accessing a starting button; pin 2 of the connector J504 is grounded, pin 11 and pin 12 of the connector J504 are connected and then grounded, pin 13 and pin 14 of the connector J504 are connected and then grounded, pin 1 of the connector J504 is respectively connected with a test point TP507, one end of a resistor R504 and one end of a bi-voltage-stabilizing diode T506, the other end of the bi-voltage-stabilizing diode T506 is grounded, and the other end of the resistor R504 is connected with a power-on key control end of a communication module (01);

the reset key circuit comprises a connector J505, a voltage-stabilizing diode T508 and a resistor R506; the model of the connector J505 is OK-14F010-04 and is used for accessing a reset key; pin 2 of the connector J505 is grounded, pin 11 and pin 12 of the connector J505 are grounded after being connected, pin 13 and pin 14 of the connector J505 are grounded after being connected, pin 1 of the connector J505 is respectively connected with a test point TP506, one end of a resistor R506 and one end of a bistable diode T508, the other end of the bistable diode T508 is grounded, and the other end of the resistor R506 is connected with a reset key control end of a communication module (01);

9. The dual-network multifunctional mobile police intelligent terminal as claimed in claim 1, wherein the LED indicator driving unit (009) comprises a tri-color LED driving chip U4105, a capacitor C4107, a resistor R4102, a resistor R4103, and a resistor R4104, the model of the tri-color LED driving chip U4105 is AW2013 DNR; a pin 11 of a three-color LED driving chip U4105 is grounded, a pin 1 of the three-color LED driving chip U4105 is connected with a red LED interface through a resistor R4102, a pin 2 of the three-color LED driving chip U4105 is connected with a green LED interface through a resistor R4103, a pin 3 of the three-color LED driving chip U4105 is connected with a blue LED interface through a resistor R4104, a pin 9 of the three-color LED driving chip U4105 is connected with a control bus serial data end of a communication module (01), a pin 10 of the three-color LED driving chip U4105 is connected with a control bus serial clock end of the communication module (01), and a pin 5 of the three-color LED driving chip U4105 is grounded through a capacitor C4107;

the touch screen driving unit (010) comprises a TFT LCD mobile phone screen driving chip U605, an inductor L602, a capacitor C626, a capacitor C627, a capacitor C628, a capacitor C629, a capacitor C630, a resistor R646, a resistor R645, a resistor R644, a resistor R647 and a resistor R648, wherein the model of the TFT LCD mobile phone screen driving chip U605 is OCP2131 WPAD; pin B1, pin B3 and pin D2 of TFT LCD mobile phone screen driving chip U605 are connected and then grounded, pin C1 of TFT LCD mobile phone screen driving chip U605 is respectively connected with one end of capacitor C626 and one end of resistor R644, one end of capacitor C626 is grounded, pin D1 of TFT LCD mobile phone screen driving chip U605 is connected with one end of inductor L602, the other end of inductor L602 is connected with the other end of resistor R644 and then connected with a battery power supply, pin B1 of TFT LCD mobile phone screen driving chip U605 is respectively connected with one end of resistor R646 and a mobile phone screen control end of communication module (01), pin A1 of TFT LCD mobile phone screen driving chip U605 is respectively connected with one end of resistor R645 and a mobile phone screen control end of communication module (01), the other end of resistor R1 and the other end of resistor R646 are respectively grounded, pin B2 of TFT LCD mobile phone screen driving chip U605 is connected with a serial clock end of communication module (01), pin C2 of TFT mobile phone driving chip U605 is connected with a serial data communication module (01) end of communication module (01), a pin C3 of the TFT LCD mobile phone screen driving chip U605 is connected with one end of a capacitor C627, a pin A3 of the TFT LCD mobile phone screen driving chip U605 is connected with the other end of the capacitor C627, a pin E3 of the TFT LCD mobile phone screen driving chip U605 is respectively connected with one end of the capacitor C630 and one end of a resistor R647, the other end of the resistor R647 is connected with a mobile phone screen control end of a communication module (01), a pin D3 and a pin E2 of the TFT LCD mobile phone screen driving chip U605 are connected with one end of a capacitor C628, a pin A2 of the TFT LCD mobile phone screen driving chip U605 is respectively connected with one end of a capacitor C629 and one end of a resistor R648, the other end of the resistor R648 is connected with a mobile phone screen control end of the communication module (01), and the other ends of the capacitor C628, the capacitor C629 and the capacitor C630 are respectively grounded.

10. The intelligent dual-network-communication multifunctional mobile police terminal as claimed in claim 1, wherein the hall sensor unit (011) comprises a hall sensor U1006, a bi-voltage-stabilizing diode T510, a capacitor C520, a resistor R520 and a resistor R1022, and the hall sensor U1006 is in the BU52011HFV-TR model number; pin 2 of the Hall sensor U1006 is grounded, pin 4 of the Hall sensor U1006 is connected with one end of a resistor R1022, pin 5 of the Hall sensor U1006 is respectively connected with the other end of the resistor R1022, one end of a bistable voltage diode T510, which is connected with a capacitor C520 in parallel, and one end of a resistor R520, the other end of the bistable voltage diode T510, which is connected with the capacitor C520 in parallel, is grounded, and the other end of the resistor R520 is connected with a Hall sensor trigger end of a communication module (01);